finished(): send messages to ISMAS

will be done by ATBDownloadDCJsonFiles and ATBDownloadDCFirmware binaries.

ATBUpdateTool.ini

@@ -1,9 +1,12 @@
 [REPOSITORY_URL]
-repository-url="https://git.mimbach49.de/GerhardHoffmann"
+repository-url="gitea@ptu-config.atb-comm.de:ATB/"
 
 [DIRECTORIES]
 plugin-directory="/usr/lib/"
 working-directory="/opt/app/tools/atbupdate/"
+psa-config-directory="etc/psa_config/"
+psa-tariff-directory="etc/psa_tariff/"
+
 
 [PLUGINS]
 plugin-name="libCAslave.so"

ATBUpdateTool.pro

@@ -1,3 +1,3 @@
 TEMPLATE = subdirs
 CONFIG += ordered
-SUBDIRS = DownloadDCFirmware DownloadDCJsonFiles UpdatePTUDevCtrl
+SUBDIRS = Check Show DownloadDCFirmware DownloadDCJsonFiles Git Opkg Sync UpdatePTUDevCtrl

Check/Check.pro

@@ -0,0 +1,82 @@
+QT += core
+
+TARGET = ATBUpdateCheck
+
+VERSION="1.0.0"
+win32 {
+    BUILD_DATE=$$system("date /t")
+    BUILD_TIME=$$system("time /t")
+} else {
+    BUILD_DATE=$$system("date +%d-%m-%y")
+    BUILD_TIME=$$system("date +%H:%M:%S")
+}
+
+GIT_COMMIT=$$system("git log -1 --format=oneline | cut -d' ' -f1")
+
+EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
+
+
+INCLUDEPATH += \
+    plugins \
+    $${INCLUDEINTERFACES} \
+    $${_PRO_FILE_PWD_}/../common/include
+
+CONFIG += c++17
+
+DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
+DEFINES+=APP_BUILD_DATE=\\\"$$BUILD_DATE\\\"
+DEFINES+=APP_BUILD_TIME=\\\"$$BUILD_TIME\\\"
+DEFINES+=APP_EXTENDED_VERSION=\\\"$$EXTENDED_VERSION\\\"
+
+# keep comments, as /* fall through */
+QMAKE_CXXFLAGS += -C
+QMAKE_CXXFLAGS += -g
+QMAKE_CXXFLAGS += -Wno-deprecated-copy -O
+
+contains( CONFIG, PTU5 ) {
+    CONFIG += link_pkgconfig
+    QMAKE_CXXFLAGS += -O2 -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+
+    INCLUDEPATH += $$PTU5BASEPATH/qt/libs/devicecontroller/include
+    LIBS += -L$$PTU5BASEPATH/qt/libs/devicecontroller/library
+
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, PTU5_YOCTO ) {
+    QMAKE_CXXFLAGS += -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, DesktopLinux ) {
+    # QMAKE_CC = ccache $$QMAKE_CC
+    # QMAKE_CXX = ccache $$QMAKE_CXX
+    QMAKE_CXXFLAGS += -std=c++17
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    linux-clang {  QMAKE_CXXFLAGS += -Qunused-arguments   }
+    ARCH = DesktopLinux
+    DEFINES+=DesktopLinux
+}
+
+SOURCES += \
+        main.cpp \
+        ismas_client.cpp \
+        message_handler.cpp \
+        ../common/src/utils_internal.cpp
+
+HEADERS += \
+        ismas_client.h \
+        message_handler.h \
+        ../common/include/utils_internal.h
+
+##########################################################################################
+# for running program on target through QtCreator
+contains( CONFIG, PTU5 ) {
+   qnx: target.path = /tmp/$${TARGET}/bin
+   else: unix:!android: target.path = /opt/app/tools/atbupdate/
+   !isEmpty(target.path): INSTALLS += target
+}

Check/ismas_client.cpp

@@ -0,0 +1,378 @@
+#ifdef __WIN32__
+#error "WIN32 NOT SUPPORTED"
+#else
+
+#include "ismas_client.h"
+
+#include <cstring>
+#include <cstdio>
+
+#include <errno.h>
+#include <arpa/inet.h> // inet_addr()
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <string.h>
+#include <strings.h> // bzero()
+#include <sys/socket.h>
+#include <unistd.h> // read(), write(), close()
+#include <fcntl.h>
+
+
+#include <QThread>
+#include <QJsonDocument>
+#include <QJsonObject>
+
+#if 0
+########################
+# Spec vom 27.10.2023:
+# U0010 -> %-Werte
+# U0001 -> 100%
+# U0003 -> "FAIL"
+# U0002 -> "" (OK -> WAIT state reset)
+# ISMAS -> "WAIT"
+########################
+#
+# $1: EVENT: U0001 update finished: 100%
+#            U0002 reset TRG
+#            U0003 error
+#            U0010 for update process
+# $2: PERCENT : "only for ISMAS: 0-100%",
+# $3: RESULTCODE : "only for ISMAS",
+#   0: Success
+#   1: no Update nessesary
+#   2: Backup failed
+#   3: Package error/ Wrong package
+#   4: Install Error
+# $4: STEP : "running step (only for us): update_psa...",
+# $5: STEP_RESULT : "error and result text",
+# $6: VERSION : "opkg and conf info; what will be updated"
+#
+#endif
+
+#include <QDateTime>
+#include <QDebug>
+
+void IsmasClient::printDebugMessage(int port,
+                                    QString const &clientIP,
+                                    int clientPort,
+                                    QString const &message) {
+#if 0
+    Q_UNUSED(port);
+    Q_UNUSED(clientIP);
+    Q_UNUSED(clientPort);
+    Q_UNUSED(message);
+#else
+    qDebug().noquote()
+        << "\n"
+        << "SEND-REQUEST-RECEIVE-RESPONSE ..." << "\n"
+        << "hostname ........" << "127.0.0.1"  << "\n"
+        << "port ............" << port << "\n"
+        << "local address ..." << clientIP << "\n"
+        << "local port ......" << clientPort << "\n"
+        << message;
+#endif
+}
+
+void IsmasClient::printInfoMessage(int port,
+                                   QString const &clientIP,
+                                   int clientPort,
+                                   QString const &message) {
+#if 0
+    Q_UNUSED(port);
+    Q_UNUSED(clientIP);
+    Q_UNUSED(clientPort);
+    Q_UNUSED(message);
+#else
+    qInfo().noquote()
+        << "\n"
+        << "SEND-REQUEST-RECEIVE-RESPONSE ..." << "\n"
+        << "hostname ........" << "127.0.0.1"  << "\n"
+        << "port ............" << port << "\n"
+        << "local address ..." << clientIP << "\n"
+        << "local port ......" << clientPort << "\n"
+        << message;
+#endif
+}
+
+void IsmasClient::printErrorMessage(int port,
+                                    QString const &clientIP,
+                                    int clientPort,
+                                    QString const &message) {
+    qCritical().noquote()
+        << "\n"
+        << "SEND-REQUEST-RECEIVE-RESPONSE ..." << "\n"
+        << "hostname ........" << "127.0.0.1"  << "\n"
+        << "port ............" << port << "\n"
+        << "local address ..." << clientIP << "\n"
+        << "local port ......" << clientPort << "\n"
+        << message;
+}
+
+std::optional<QString>
+IsmasClient::sendRequestReceiveResponse(int port, QString const &request, bool verbose) {
+
+    if (verbose) {
+        qInfo() << "REQUEST" << request;
+    }
+
+    int sockfd;
+    int r;
+    errno = 0;
+    // socket create and verification
+    if ((sockfd = ::socket(AF_INET, SOCK_STREAM, 0)) == -1) {
+        if (verbose) {
+            qCritical().noquote()
+                << "\n"
+                << "SEND-REQUEST-RECEIVE-RESPONSE ..." << "\n"
+                << "SOCKET CREATION FAILED (" << strerror(errno) << ")";
+        }
+        return std::nullopt;
+    }
+
+    struct sockaddr_in servAddr;
+    bzero(&servAddr, sizeof(servAddr));
+    // assign IP, PORT
+    servAddr.sin_family = AF_INET;
+    servAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
+
+    servAddr.sin_port = htons(port);
+    // connect the client socket to server socket
+    if ((r = ::connect(sockfd, (struct sockaddr *)(&servAddr), sizeof(servAddr))) != 0) {
+        if (verbose) {
+            qCritical().noquote()
+                << "\n"
+                << "SEND-REQUEST-RECEIVE-RESPONSE ..." << "\n"
+                << "CONNECTION WITH SERVER FAILED (" << strerror(r) << ")";
+        }
+        ::close(sockfd);
+        return std::nullopt;
+    }
+
+    struct sockaddr_in clientAddr;
+    bzero(&clientAddr, sizeof(clientAddr));
+    socklen_t sockLen = sizeof(clientAddr);
+
+    char clientIP[16];
+    bzero(&clientIP, sizeof(clientIP));
+    getsockname(sockfd, (struct sockaddr *)(&clientAddr), &sockLen);
+    inet_ntop(AF_INET, &clientAddr.sin_addr, clientIP, sizeof(clientIP));
+    unsigned int clientPort = ntohs(clientAddr.sin_port);
+
+    if (verbose) {
+        printDebugMessage(port, clientIP, clientPort, QString("CONNECTED TO SERVER"));
+    }
+
+    struct timeval tv;
+    tv.tv_sec = 10;  /* 10 secs timeout for read and write */
+
+    struct linger so_linger;
+    so_linger.l_onoff = 1;
+    so_linger.l_linger = 0;
+
+    int maxfdp1;
+    fd_set rset;
+    fd_set wset;
+
+    setsockopt(sockfd, SOL_SOCKET, SO_LINGER, &so_linger, sizeof(so_linger));
+    // no reliable, but does not harm, as we use select() as well
+    setsockopt(sockfd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));
+    setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv));
+    int flag = 1;
+    setsockopt(sockfd, IPPROTO_TCP, TCP_NODELAY, (char *) &flag, sizeof(int));
+
+    static char buf[1024*8];
+    bzero(buf, sizeof(buf));
+    int const bytesToWrite = strlen(request.toStdString().c_str());
+    strncpy(buf, request.toStdString().c_str(), sizeof(buf)-1);
+
+    int loop = 0;
+    int bytesWritten = 0;
+    while (bytesWritten < bytesToWrite) {
+        errno = 0;
+        FD_ZERO(&wset);
+        FD_SET(sockfd, &wset);
+        maxfdp1 = sockfd + 1;
+        tv.tv_sec = 60;  /* 60 secs timeout for read and write -> APISM cuts the connection after 30s */
+        tv.tv_usec = 0;
+
+        int const w = select(maxfdp1, NULL, &wset, NULL, &tv);
+        if (w < 0) { // error
+            if (errno == EINTR) {
+                printErrorMessage(port, clientIP, clientPort,
+                    QString("INTERRUPTED BY SIGNAL (1) (") + strerror(errno) + ")");
+                continue;
+            } else {
+                printErrorMessage(port, clientIP, clientPort,
+                        QString("SELECT-ERROR (WRITE) %1(").arg(loop) + strerror(errno) + ")");
+                ::close(sockfd);
+                return std::nullopt;
+            }
+        } else
+        if (w == 0) { // timeout
+            printErrorMessage(port, clientIP, clientPort,
+                    QString("SELECT-TIMEOUT (WRITE) %1(").arg(loop) + strerror(errno) + ")");
+            if (++loop < 10) {
+                QThread::msleep(500);
+                continue;
+            }
+            ::close(sockfd);
+            return std::nullopt;
+        } else
+        if (w > 0) {
+            int n = ::sendto(sockfd, buf+bytesWritten, bytesToWrite-bytesWritten, 0, NULL, 0);
+            if (n >= 0) {
+                bytesWritten += n;
+            } else {
+                if (errno == EWOULDBLOCK) {
+                    if (++loop < 10) {
+                        QThread::msleep(500);
+                        continue;
+                    }
+                    printErrorMessage(port, clientIP, clientPort,
+                        QString("WRITE TIMEOUT %1(").arg(loop) + strerror(errno) + ")");
+                    ::close(sockfd);
+                    return std::nullopt;
+                } else
+                if (errno == EINTR) {
+                    printErrorMessage(port, clientIP, clientPort,
+                        QString("WRITE INTERRUPTED BY SIGNAL (1) (") + strerror(errno) + ")");
+                    continue;
+                }
+            }
+        }
+    }
+
+    // DO NOT USE SHUTDOWN! APISM CAN NOT COPE WITH IT
+    // errno = 0;
+    // if (shutdown(sockfd, SHUT_WR) < 0) {
+    //     printErrorMessage(port, clientIP, clientPort,
+    //        QString("CANNOT CLOSE WRITING END (") + strerror(errno) + ")");
+    // }
+
+    if (verbose) {
+        printInfoMessage(port, clientIP, clientPort, QString("MESSAGE SENT <<<") + buf + ">>>");
+    }
+
+    loop = 0;
+    bzero(buf, sizeof(buf));
+    int bytesToRead = sizeof(buf)-1;
+    int bytesRead = 0;
+    while (bytesRead < bytesToRead) {
+        errno = 0;
+        FD_ZERO(&rset);
+        FD_SET(sockfd, &rset);
+        maxfdp1 = sockfd + 1;
+        tv.tv_sec = 60;  /* 60 secs timeout for read and write */
+        tv.tv_usec = 0;
+
+        QString const selectStart = QDateTime::currentDateTime().toString(Qt::ISODateWithMs);
+
+        int const r = select(maxfdp1, &rset, NULL, NULL, &tv);
+        if (r < 0) { // error
+            if (errno == EINTR) {
+                printErrorMessage(port, clientIP, clientPort,
+                    QString("INTERRUPTED BY SIGNAL (2) (") + strerror(errno) + ")");
+                continue;
+            } else {
+                printErrorMessage(port, clientIP, clientPort,
+                        QString("SELECT-ERROR (READ) %1(").arg(loop) + strerror(errno) + ")");
+                ::close(sockfd);
+                return std::nullopt;
+            }
+        } else
+        if (r == 0) { // timeout
+            printErrorMessage(port, clientIP, clientPort,
+                    QString("SELECT-TIMEOUT (READ) %1(").arg(loop) + strerror(errno) + ")");
+            if (++loop < 10) {
+                QThread::msleep(500);
+                continue;
+            }
+            ::close(sockfd);
+            return std::nullopt;
+        } else
+        if (r > 0) {
+            if (FD_ISSET(sockfd, &rset)) {
+                int n = ::recvfrom(sockfd, buf+bytesRead, bytesToRead-bytesRead,
+                                   0, NULL, NULL);
+                if (n > 0) { //
+                    bytesRead += n;
+                } else
+                if (n == 0) {
+                    // The return value will be 0 when the peer has performed an orderly shutdown.
+                    printErrorMessage(port, clientIP, clientPort,
+                        QString("PEER CLOSED CONNECTION (") + strerror(errno) + ") START AT" +
+                                selectStart + " NOW " + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+                    ::close(sockfd);
+                    return std::nullopt;
+                } else
+                if (n < 0) {
+                    if (errno == EWOULDBLOCK) { // check just in case
+                        if (++loop < 10) {
+                            QThread::msleep(500);
+                            continue;
+                        }
+                        printErrorMessage(port, clientIP, clientPort,
+                                QString("READ TIMEOUT %1(").arg(loop) + strerror(errno) + ")");
+                        ::close(sockfd);
+                        return std::nullopt;
+                    }
+                    if (errno == EINTR) {
+                        printErrorMessage(port, clientIP, clientPort,
+                            QString("INTERRUPTED BY SIGNAL (2) (") + strerror(errno) + ")");
+                        continue;
+                    }
+                }
+            }
+        }
+
+        // printInfoMessage(port, clientIP, clientPort, QString("MESSAGE RECEIVED ") + buf);
+        QString response(buf);
+
+        if (int idx = response.indexOf("{\"error\":\"ISMAS is offline\"}")) {
+            response = response.mid(0, idx);
+        } else
+        if (response.contains("RECORD")) { // RECORD SAVED or RECORD WRITE ABORTED
+            if (verbose) {
+                printInfoMessage(port, clientIP, clientPort, QString("IGNORED '") + response + "' RESPONSE");
+            }
+            ::close(sockfd);
+            return std::nullopt;
+        }
+
+        QJsonParseError parseError;
+        QJsonDocument document(QJsonDocument::fromJson(response.toUtf8(), &parseError));
+        if (parseError.error == QJsonParseError::NoError) {
+            if (document.isObject()) { // done: received valid APISM response
+                if (verbose) {
+                    printInfoMessage(port, clientIP, clientPort,
+                       QString("VALID APISM RESPONSE .. \n") + response);
+                }
+                ::close(sockfd);
+                return response;
+            } else {
+                printInfoMessage(port, clientIP, clientPort,
+                   QString("CORRUPTED RESPONSE ") + response);
+                ::close(sockfd);
+                return std::nullopt;
+            }
+        } else {
+            if (!response.contains("RECORD")) {
+                // maybe APISM does not send valid JSON: "RECORD SAVED" etc.
+                printDebugMessage(port, clientIP, clientPort,
+                    QString("PARSE ERROR ") + response + " " + parseError.errorString());
+            }
+            ::close(sockfd);
+            return std::nullopt;
+        }
+    }
+    return std::nullopt;
+}
+
+char const *IsmasClient::reason[REASON::ENTRIES] = {
+    "TIME-TRIGGERED", "SERVICE", "DEV-TEST"
+};
+
+#endif // __WIN32__

Check/ismas_client.h

@@ -0,0 +1,51 @@
+#ifndef ISMAS_CLIENT_H_INCLUDED
+#define ISMAS_CLIENT_H_INCLUDED
+
+#include <QObject>
+#include <QString>
+#include <optional>
+
+class IsmasClient : public QObject {
+    Q_OBJECT
+
+public:
+    explicit IsmasClient()  = default;
+
+    enum APISM {
+        DB_PORT = 7777,
+        DIRECT_PORT = 7778
+    };
+
+    enum RESULT_CODE {
+        SUCCESS=0,
+        // if between 00:00 - 04:00 Wait-button state not WAIT, then we assume
+        // that's an automatic nightly (not-necessary) update
+        NO_UPDATE_NECESSARY=1,
+        // if APISM reports the ISMAS is not available (15x, 6s delay each)
+        ISMAS_NO_CONNECTION_ERROR=2,
+        // if not within 00:00-04:00 and WAIT-button was not in state WAIT
+        ISMAS_TRIGGER_ERROR=3,
+    };
+
+    enum REASON {
+        TIME_TRIGGERED = 0,
+        SERVICE,
+        DEV_TEST,
+        ENTRIES
+    };
+
+    static char const *reason[REASON::ENTRIES];
+
+    static std::optional<QString>
+        sendRequestReceiveResponse(int port, QString const &request, bool verbose=false);
+
+  private:
+    static void printDebugMessage(int port, QString const &clientIP, int clientPort,
+                                  QString const &message);
+    static void printInfoMessage(int port, QString const &clientIP, int clientPort,
+                                 QString const &message);
+    static void printErrorMessage(int port, QString const &clientIP, int clientPort,
+                                  QString const &message);
+};
+
+#endif // ISMAS_CLIENT_H_INCLUDED

Check/main.cpp

@@ -0,0 +1,155 @@
+#include <QtGlobal>
+#include <QCoreApplication>
+#include <QByteArray>
+
+#include <QProcess>
+#include <QCommandLineParser>
+#include <QStandardPaths>
+#include <QSettings>
+#include <QDir>
+#include <QDebug>
+
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonValue>
+#include <QRegularExpression>
+#include <QFile>
+#include <QTextStream>
+
+#include <optional>
+
+#include "message_handler.h"
+#include "utils_internal.h"
+#include "ismas_client.h"
+
+
+int main(int argc, char **argv) {
+    QByteArray const value = qgetenv("LC_ALL");
+    if (value.isEmpty() || value != "C") {
+        qputenv("LC_ALL", "C");
+    }
+
+    openlog("ATB-UPDATE_CHECK", LOG_PERROR | LOG_PID | LOG_CONS, LOG_USER);
+
+    QCoreApplication a(argc, argv);
+    QCoreApplication::setApplicationName("ATBUpdateCheck");
+    QCoreApplication::setApplicationVersion(APP_VERSION);
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(nullptr);
+        //atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(LOG_NOTICE);
+    }
+
+    int exitCode = 0;
+    QCommandLineParser parser;
+    QCommandLineOption ismasConnectOption("ismas-connected");
+    QCommandLineOption updateRequestedOption("update-requested");
+    QCommandLineOption verboseOption("verbose");
+    parser.addOption(ismasConnectOption);
+    parser.addOption(updateRequestedOption);
+    parser.addOption(verboseOption);
+    parser.process(a);
+
+    QString connectionStatus{internal::ISMAS_NOT_CONNECTED};
+    QString updateRequestStatus{internal::UPDATE_NOT_REQUESTED};
+    QDebug debug = qCritical();
+
+    if (std::optional<QString> result
+            = IsmasClient::sendRequestReceiveResponse(
+                IsmasClient::APISM::DIRECT_PORT,
+                "#M=APISM#C=REQ_SELF#J={}")) {
+        QJsonDocument d = QJsonDocument::fromJson(result.value().toUtf8());
+        for (QString const &k : d.object().keys()) {
+            if (k.contains("CMD_GET_APISMSTATUS_RESPONSE")) {
+                QJsonObject o = d.object()[k].toObject();
+                QJsonObject::const_iterator it = o.find("Broker");
+                if (it != o.constEnd()) {
+                    // value for "Broker"
+                    QString const &v = it->toString();
+                    if (v.contains(internal::ISMAS_CONNECTED, Qt::CaseInsensitive)) {
+                        connectionStatus = internal::ISMAS_CONNECTED;
+                    } else
+                    if (v.contains(internal::ISMAS_NOT_CONNECTED, Qt::CaseInsensitive)) {
+                        connectionStatus = internal::ISMAS_NOT_CONNECTED;
+                    } else
+                    if (v.contains(internal::ISMAS_DISCONNECTED, Qt::CaseInsensitive)) {
+                        connectionStatus = internal::ISMAS_NOT_CONNECTED;
+                    } else
+                    if (v.contains(internal::ISMAS_CONNECTION_IN_PROGRESS, Qt::CaseInsensitive)) {
+                        connectionStatus = internal::ISMAS_NOT_CONNECTED;
+                    } else
+                    if (v.contains(internal::ISMAS_DISCONNECTING, Qt::CaseInsensitive)) {
+                        connectionStatus = internal::ISMAS_NOT_CONNECTED;
+                    }
+                    break;
+                }
+            }
+        }
+    }
+
+    if (connectionStatus != internal::ISMAS_CONNECTED) {
+        if (internal::customerRepoExists() == false) {
+            debug.noquote() << internal::NO_CUSTOMER_REPOSITORY;
+        }
+    }
+
+    if (parser.isSet(updateRequestedOption)) {
+        if (internal::customerRepoExists() == false) {
+            // if the customer repository does not exists, it does not matter is
+            // ISMAS is connected or how the setting for the WAIT-button is.
+            updateRequestStatus = internal::NO_CUSTOMER_REPOSITORY;
+        } else {
+            if (connectionStatus == internal::ISMAS_CONNECTED) {
+                if (std::optional<QString> result
+                        = IsmasClient::sendRequestReceiveResponse(
+                            IsmasClient::APISM::DIRECT_PORT,
+                            "#M=APISM#C=REQ_ISMASPARAMETER#J={}")) {
+
+                    QJsonDocument d = QJsonDocument::fromJson(result.value().toUtf8());
+                    for (QString const &k : d.object().keys()) {
+                        if (k.contains("REQ_ISMASPARAMETER")) {
+                            QJsonObject o = d.object()[k].toObject();
+
+                            QJsonObject::const_iterator it = o.find("Aknoledge");
+                            if (it == o.constEnd()) continue;
+
+                            QString const &v = it->toString();
+                            if (v != "OK") break;
+
+                            for (QString const &m : d.object().keys()) { // request ack
+                                if (!m.contains("FileUpload", Qt::CaseInsensitive)) continue;
+                                QJsonObject o = d.object()[m].toObject();
+
+                                QJsonObject::const_iterator it = o.find("TRG");
+                                if (it == o.constEnd()) break;
+
+                                QString const &v = it->toString();
+                                if (v == "WAIT") {
+                                    updateRequestStatus = internal::UPDATE_REQUESTED;
+                                } else {
+                                    updateRequestStatus = internal::UPDATE_NOT_NECESSARY;
+                                }
+                                break;
+                            }
+                            break;
+                        }
+                    }
+                }
+            } else {
+                // not connected (so its unknown if update has been requested),
+                // and customer repository exists. Assume 'not requested'.
+                updateRequestStatus = internal::UPDATE_NOT_REQUESTED;
+                exitCode = -1;
+            }
+        }
+        debug.noquote() << updateRequestStatus;
+    } else
+    if (parser.isSet(ismasConnectOption)) {
+        debug.noquote() << connectionStatus;
+    }
+
+    qCritical() << __func__ << ":" << __LINE__ << exitCode;
+
+    return exitCode;
+}

Check/message_handler.cpp

@@ -0,0 +1,97 @@
+#include "message_handler.h"
+
+#include <QDateTime>
+#include <cstring>
+#include <QString>
+#include <QFileInfo>
+#include <QMessageLogContext>
+
+
+static char const *DBG_NAME[] = { "DBG  ", "WARN ", "CRIT ", "FATAL", "INFO " };
+static bool installedMsgHandler = false;
+static int debugLevel = LOG_NOTICE;
+
+int getDebugLevel() { return debugLevel; }
+void setDebugLevel(int newDebugLevel) {
+    debugLevel = newDebugLevel;
+}
+
+bool messageHandlerInstalled() {
+    return installedMsgHandler;
+}
+
+QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler) {
+    installedMsgHandler = (handler != 0);
+    static QtMessageHandler prevHandler = nullptr;
+    if (handler) {
+        prevHandler = qInstallMessageHandler(handler);
+        return prevHandler;
+    } else {
+        return qInstallMessageHandler(prevHandler);
+    }
+}
+
+///
+/// \brief Print message according to given debug level.
+///
+/// \note Install this function using qInstallMsgHandler().
+///
+///  int main(int argc, char **argv) {
+///     installMsgHandler(atbDebugOutput);
+///     QApplication app(argc, argv);
+///     ...
+///     return app.exec();
+///  }
+///
+#if (QT_VERSION > QT_VERSION_CHECK(5, 0, 0) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg) {
+    Q_UNUSED(context);
+    QString const localMsg = QString(DBG_NAME[type]) + msg.toLocal8Bit();
+
+    switch (debugLevel) {
+        case LOG_DEBUG: { // debug-level message
+            syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+        } break;
+        case LOG_INFO: { // informational message
+            if (type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_NOTICE: { // normal, but significant, condition
+            if (type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_WARNING: { // warning conditions
+            if (type != QtInfoMsg && type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_ERR: { // error conditions
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_CRIT: { // critical conditions
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_ALERT: { // action must be taken immediately
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_EMERG: { // system is unusable
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        default: {
+            //fprintf(stderr, "%s No ErrorLevel defined! %s\n",
+            //    datetime.toStdString().c_str(), msg.toStdString().c_str());
+        }
+    }
+}
+#endif
+

Check/message_handler.h

@@ -0,0 +1,23 @@
+#ifndef MESSAGE_HANDLER_H_INCLUDED
+#define MESSAGE_HANDLER_H_INCLUDED
+
+#include <QtGlobal>
+#ifdef __linux__
+#include <syslog.h>
+#endif
+
+int getDebugLevel();
+void setDebugLevel(int newDebugLevel);
+
+bool messageHandlerInstalled();
+QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler);
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const char *);
+void atbDebugOutput(QtMsgType type, const char *msg);
+#elif QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const QMessageLogContext &, const QString &);
+void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg);
+#endif
+
+#endif // MESSAGE_HANDLER_H_INCLUDED

DownloadDCFirmware/DownloadDCFirmware.pro

@@ -1,5 +1,5 @@
-QT += core
-QT += serialport network
+QT += core gui
+QT += widgets serialport network
 
 TARGET = ATBDownloadDCFirmware
 
@@ -16,6 +16,16 @@ GIT_COMMIT=$$system("git log -1 --format=oneline | cut -d' ' -f1")
 
 EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
 
+!contains(CONFIG, INCLUDEINTERFACES) {
+    INCLUDEINTERFACES=/opt/ptu5/opt/DCLibraries/include
+}
+
+INCLUDEPATH += \
+    plugins \
+    $${INCLUDEINTERFACES} \
+    $${_PRO_FILE_PWD_}/../UpdatePTUDevCtrl \
+    $${_PRO_FILE_PWD_}/../common/include
+
 CONFIG += c++17
 
 DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
@@ -66,14 +76,32 @@ contains( CONFIG, DesktopLinux ) {
 }
 
 SOURCES += \
-        main.cpp
+        main.cpp \
+        mainwindow.cpp \
+        ../common/src/message_handler.cpp \
+        ../UpdatePTUDevCtrl/commandline_parser.cpp \
+        update.cpp \
+        dc_download.cpp \
+        ../common/src/System.cpp
+
+
+HEADERS += \
+        mainwindow.h \
+        ../common/include/message_handler.h \
+        ../UpdatePTUDevCtrl/commandline_parser.h \
+        update.h \
+        dc_download.h \
+        ../common/include/System.h
 
-# HEADERS +=
 
 OTHER_FILES += \
-    ATBDownloadDCFirmware.ini
+    ATBDownloadDCFirmware.ini \
+    ../ATBUpdateTool.ini
 
 
+FORMS += \
+    mainwindow.ui
+
 ##########################################################################################
 # for running program on target through QtCreator
 contains( CONFIG, PTU5 ) {

DownloadDCFirmware/dc_download.cpp

@@ -0,0 +1,444 @@
+#include "dc_download.h"
+#include <DeviceController/interfaces.h>
+
+#include <QFile>
+#include <QDebug>
+#include <QDateTime>
+#include <QThread>
+
+
+DcDownload::DcDownload(hwinf *hw)
+  : m_hw(hw)
+  , m_fileToDownload(m_hw->dcDownloadFileName()) {
+    // connect(this, &QThread::finished,
+    //        dynamic_cast<QObject const *>(m_hw), &QThread::deleteLater);
+}
+
+DcDownload::~DcDownload() {
+}
+
+/*
+ ///////////////////////////////////////////////////////////////////////////////
+ //
+ //                        USING THE DC BOOTLOADER
+ //
+ ///////////////////////////////////////////////////////////////////////////////
+
+ 1  :   bl_reboot()     // send to application, want DC2 to reset (in order to
+                        // start the bootloader)
+                        //
+                        // NOTE: this function is NOT reliable !!! Sometimes it
+                        // simply does not work, in which case bl_startBL,
+                        // bl_checkBL and bl_isUp do not work as well.
+                        // Alas, there is no feedback if bl_reboot worked!
+                        //
+                        // NOTE: this function can be called only once per
+                        // minute, because once called again, the controller
+                        // performs some self-checks consuming some time.
+                        //
+                        // NOTE: after a successful bl_reboot(), the device is
+                        // waiting about 4 seconds in the bootloader. To stay in
+                        // the bootloader, we have to send the command
+                        // bl_startBL(), which is kind of a misnomer, as it
+                        // should be bl_doNotLeaveBL().
+                        //
+ 2  :   bl_startBL():   // send within 4s after DC power-on, otherwise
+                        // bootloader is left.
+                        //
+                        // NOTE: a running bootloader is a MUST for the download
+                        // process of a device controller firmware as it does
+                        // the actual writing of the memory (the bl_reboot()
+                        // from above erases the available memory).
+                        //
+ 3  :   bl_check():     // send command to verify if bl is up
+                        //
+                        // NOTE: this command is kind of a request that we want
+                        // to check if the bootloader is up. The device
+                        // (actually the bootloader) responds with its version.
+                        //
+ 4  :   bl_isUp():      // returns true if bl is up and running
+                        //
+                        // NOTE: we know what the bootloader version actually is
+                        // as the bootloader does not change. By comparing the
+                        // string received in the previous step with this known
+                        // version string we know if the bootloader is up.
+                        //
+                        // NOTE FOR ALL PREVIOUS STEPS: execute them in their
+                        // own slots each to be sure to receive any possible
+                        // responds from the device.
+                        //
+ 5  :   bl_sendAddress(blockNumber)
+                        // send start address, nr of 64-byte block, start with 0
+                        // will be sent only for following block-numbers:
+                        // 0, 1024, 2048, 3072 and 4096, so basically every
+                        // 64kByte.
+                        // for other addresses nothing happens
+
+ 6  :   bl_wasSendingAddOK()
+                        // return val:  0: no response by now
+                        //              1: error
+                        //             10: OK
+
+ 7  :   bl_sendDataBlock()
+                        // send 64 byte from bin file
+
+ 8  :   bl_sendLastBlock()
+                        // send this command after all data are transferred
+
+ 9  :   bl_wasSendingDataOK()
+                        // return val:  0: no response by now
+                        //              1: error
+                        //             10: OK
+
+ 10 :   bl_stopBL()     // leave bl and start (the new) application
+                        //
+                        // NOTE: this function MUST work under all conditions.
+                        // Alas, there is no direct result for this command, so
+                        // the only way of knowing it was successful is to ask
+                        // the device if the bootloader is still running.
+                        // There is no problem to repeat this command until the
+                        // bootloader is really not running anymore.
+ */
+void DcDownload::doDownload() {
+#if 0
+void DcDownload::run() {
+    // download thread running in ca-master sends the dc-file down to firmware
+    // TODO: send the json files as well
+
+    m_hw->dcDownloadRequestAck();
+
+    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                << "DcDownload::run(): DOWNLOAD THREAD STARTED:";
+    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                << "               DcDownload::run(): Filename:" << m_hw->dcDownloadFileName();
+
+    QDateTime const start = QDateTime::currentDateTime();
+
+#if 1
+    QFile fn(m_hw->dcDownloadFileName());
+
+    if (!fn.exists()) {
+        // output via CONSOLE() etc
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "               DcDownload::run(): Filename:" << m_hw->dcDownloadFileName() << "DOES NOT EXIST";;
+    } else {
+
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): DC-CONTROLLER SW-VERSION BEFORE"
+                    << m_hw->dc_getSWversion();
+
+        // load binary device controller file into memory
+        QByteArray ba = loadBinaryDCFile(m_hw->dcDownloadFileName());
+        if (ba.size() > 0) {
+            uint16_t const totalBlocks = (((ba.size())%64)==0) ? (ba.size()/64) : (ba.size()/64)+1;
+            m_hw->dcDownloadSetTotalBlockNumber(totalBlocks);
+
+            // fill last block of data to be sent with 0xFF
+            ba = ba.leftJustified(totalBlocks*64, (char)(0xFF));
+
+            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                        << "DcDownload::run(): TOTAL NUMBER OF BYTES TO SEND TO DC" << ba.size();
+            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                        << "DcDownload::run(): TOTAL NUMBER OF BLOCKS" << totalBlocks;
+
+            m_hw->dc_autoRequest(true); // turn auto-request setting on
+
+            m_hw->request_DC2_HWversion();
+            m_hw->request_DC2_SWversion();
+            QThread::sleep(1);
+
+            // m_hw->dc_autoRequest(false); // turn auto-request setting on
+
+            resetDeviceController();
+
+            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                        << "DcDownload::run(): RESET DEVICE-CONTROLLER";
+
+            if (startBootloader()) {
+
+                qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                            << "DcDownload::run(): STARTED BOOT-LOADER";
+
+                m_hw->dc_autoRequest(false);// turn auto-request setting off for
+                                            // download of binary dc
+
+                qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                            << "DcDownload::run(): TOTAL NUMBER OF FIRMWARE BLOCKS" << totalBlocks;
+
+                int currentBlock = 0; // download of binary dc
+                DownloadResult res = DownloadResult::OK;
+
+                while (res != DownloadResult::ERROR &&  currentBlock < totalBlocks) {
+                    if ((res = sendNextAddress(currentBlock)) != DownloadResult::ERROR) {
+                        if ((res = sendNextDataBlock(ba, currentBlock)) != DownloadResult::ERROR) {
+                            m_hw->dcDownloadSetCurrentBlockNumber(currentBlock);
+
+                            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                                        << "DcDownload::run(): currentBlockNumber ..." << currentBlock;
+
+                            currentBlock += 1;
+                        }
+                    }
+                }
+
+                qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                            << QString("DcDownload::run(): last 64-byte block %1").arg(currentBlock);
+
+                int const rest = ba.size() % 64;
+                int const offset = ba.size() - rest;
+                char const *startAddress = ba.constData() + offset;
+
+                if (rest > 0) {
+                    // SHOULD NEVER HAPPEN !!!
+                    uint8_t local[66];
+                    memset(local, 0xFF, sizeof(local));
+                    memcpy(local, startAddress, rest);
+                    qCritical() << "DcDownload::run(): ERROR SEND REMAINING" << rest << "BYTES";
+                    m_hw->bl_sendDataBlock(64, local);
+                } else {
+                    m_hw->bl_sendLastBlock();
+                    m_hw->dcDownloadSetCurrentBlockNumber(currentBlock);
+
+                    qCritical() << "DcDownload::run(): currentBlockNumber" << currentBlock;
+                    // QThread::msleep(250);
+                }
+                qCritical() << "DcDownload::run(): last result" << (int)sendStatus(m_hw->bl_wasSendingDataOK());
+
+                stopBootloader();   // stop bootloader several times: if it
+                QThread::sleep(1);  // is not stopped, then the PSA has to be
+            }
+            // restarted manually (!!!)
+            stopBootloader();
+            QThread::sleep(1);
+        }
+
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): STOPPED BOOT-LOADER";
+
+        stopBootloader();   // there is no harm in stopping the bootloader even
+                            // if it was not started at all
+
+        m_hw->dc_autoRequest(true);
+    }
+
+#else // test
+    // load binary device controller file into memory
+    QByteArray ba = loadBinaryDCFile(m_hw->dcDownloadFileName());
+    if (ba.size() > 0) {
+        uint16_t const totalBlocks = (((ba.size())%64)==0) ? (ba.size()/64) : (ba.size()/64)+1;
+        m_hw->dcDownloadSetTotalBlockNumber(totalBlocks);
+
+        // fill last block of data to be sent with 0xFF
+        ba = ba.leftJustified(totalBlocks*64, (char)(0xFF));
+
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): TOTAL NUMBER OF BYTES TO SEND TO DC" << ba.size();
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): TOTAL NUMBER OF BLOCKS" << totalBlocks;
+
+        m_hw->dc_autoRequest(true); // turn auto-request setting on
+
+        m_hw->request_DC2_HWversion();
+        m_hw->request_DC2_SWversion();
+        QThread::sleep(1);
+
+        resetDeviceController();
+
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): RESET DEVICE-CONTROLLER";
+        QThread::sleep(1);
+
+        if (startBootloader()) {
+            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                        << "DcDownload::run(): STARTED BOOT-LOADER";
+
+            m_hw->dc_autoRequest(false);// turn auto-request setting off for
+                                        // download of binary dc
+            for (uint16_t currentBlock = 0; currentBlock <= totalBlocks; ++currentBlock) {
+                m_hw->dcDownloadSetCurrentBlockNumber(currentBlock);
+                qCritical() << "DcDownload::run(): currentBlockNumber" << currentBlock;
+                QThread::msleep(250);
+            }
+            m_hw->dc_autoRequest(true); // turn auto-request setting on again
+        }
+
+        stopBootloader();   // there is no harm in stopping the bootloader even
+                            // if it was not started at all
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): STOPPED BOOT-LOADER";
+    }
+#endif
+
+    m_hw->dcDownloadSetRunning(false);
+    m_hw->dcDownloadSetFinished(true);
+
+    QDateTime const end = QDateTime::currentDateTime();
+    quint64 secs = start.secsTo(end);
+    QString runtime;
+    if (secs % 60) {
+        runtime = QString("%1min %2s").arg(secs / 60).arg(secs % 60);
+    } else {
+        runtime = QString("%1min").arg((secs / 60) + 1);
+    }
+
+    qCritical() << end.time().toString(Qt::ISODateWithMs)
+                << QString("DOWNLOAD THREAD FINISHED (RUNTIME %1)")
+                   .arg(runtime);
+
+    // the object deletes itself ! This is the last line in run().
+    // Never touch the object after this statement
+    // m_hw->dcDcDownloadFinalize(this);
+#endif
+}
+
+DcDownload::DownloadResult DcDownload::sendStatus(int ret) const {
+    switch (ret) {                  // return values of dc are:
+    case 0:                         // 0: no answer by now
+        return DownloadResult::NOP; // 1: error
+    case 10:                        // 10: success
+        return DownloadResult::OK;
+    default:;
+    }
+    return DownloadResult::ERROR;
+}
+
+DcDownload::DownloadResult
+DcDownload::sendNextAddress(int bNum) const {
+    // sends address only if blockNumber is one of 0, 1024, 2048, 3072, 4096
+    int noAnswerCount = 0;
+    int errorCount = 0;
+    if ( bNum==0 || bNum==1024 || bNum==2048 || bNum==3072 || bNum==4096 ) {
+        while (noAnswerCount <= 250) {
+            m_hw->bl_sendAddress(bNum);
+            QThread::msleep(100);
+            DownloadResult const res = sendStatus(m_hw->bl_wasSendingAddOK());
+            if (res != DownloadResult::NOP) {
+                if (res == DownloadResult::ERROR) {
+                    if (++errorCount >= 10) {
+                        qCritical() << "addr-block" << bNum << "...FAILED";
+                        return res;
+                    }
+                } else { // res == DownloadResult::OK
+                    // qInfo() << "addr-block" << bNum << "...OK";
+
+                        // TODO: hier ins shared-mem schreiben
+
+                    return res;
+                }
+            } else {
+                noAnswerCount += 1; // no answer by now
+            }
+        }
+        // wait max. about 3 seconds
+        return DownloadResult::TIMEOUT;
+    }
+    // blockNumber is not one of 0, 1024, 2048, 3072, 4096 -> do nothing
+    return DownloadResult::NOP;
+}
+
+DcDownload::DownloadResult
+DcDownload::sendNextDataBlock(QByteArray const &binary, int bNum) const {
+    uint8_t local[66];
+    int const bAddr = bNum * 64;
+    int noAnswerCount = 0;
+    int errorCount = 0;
+
+    memcpy(local, binary.constData() + bAddr, 64);
+    local[64] = local[65] = 0x00;
+
+    while (noAnswerCount <= 250) {
+        m_hw->bl_sendDataBlock(64, local);
+        QThread::msleep(10);
+        DownloadResult const res = sendStatus(m_hw->bl_wasSendingDataOK());
+        if (res != DownloadResult::NOP) {
+            if (res == DownloadResult::ERROR) {
+                if (++errorCount >= 10) {
+                    qCritical() << "data for block" << bNum << "...FAILED";
+                    return res;
+                }
+            } else {
+                // qInfo() << "data for block" << bNum << "OK";
+                // TODO: hier ins shared mem schreiben
+                return res;
+            }
+        } else {
+            noAnswerCount += 1; // no answer by now
+        }
+    }
+    // wait max. about 3 seconds
+    return DownloadResult::TIMEOUT;
+}
+
+bool DcDownload::startBootloader() const {
+    qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+             << "starting bootloader...";
+    int nTry = 5;
+    while (--nTry >= 0) {
+        m_hw->bl_startBL();
+        qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs) << "bl_startBL() ..." << nTry;
+        QThread::msleep(500);
+        m_hw->bl_checkBL();
+        qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs) << "bl_checkBL() ..." << nTry;
+        QThread::msleep(500);
+        if (m_hw->bl_isUp()) {
+            qInfo() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs) << "bootloader... isUP" << nTry;
+            return true;
+        } else {
+            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                        << "bootloader not up (" << nTry << ")";
+        }
+    }
+    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                << "starting bootloader FAILED";
+    return false;
+}
+
+bool DcDownload::stopBootloader() const {
+    qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+             << "stopping bootloader...";
+    int nTry = 5;
+    while (--nTry >= 0) {
+        m_hw->bl_stopBL();
+        qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                 << "bl_stopBL() ...";
+        QThread::msleep(500);
+        m_hw->bl_checkBL();
+        qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs) << "bl_checkBL() ..." << nTry;
+        if (!m_hw->bl_isUp()) {
+            qInfo() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "stopping bootloader OK";
+            return true;
+        }
+    }
+    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                << "stopping bootloader FAILED";
+    return false;
+}
+
+bool DcDownload::resetDeviceController() const {
+    qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+             << "resetting device controller...";
+    m_hw->bl_rebootDC();
+    // wait maximally 3 seconds, before starting bootloader
+    QThread::sleep(1);
+    qInfo() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+            << "resetting device controller...OK";
+    return true;
+}
+
+QByteArray DcDownload::loadBinaryDCFile(QString filename) const {
+    qInfo() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+            << "loading dc binary" << filename << "...";
+
+    QFile file(filename); // closed in destructor call
+    if (!file.exists()) {
+        qCritical() << file.fileName() << "does not exist";
+        return QByteArray();
+    }
+    if (!file.open(QIODevice::ReadOnly)) {
+        qCritical() << "cannot open file" << file.fileName();
+        return QByteArray();
+    }
+    qInfo() << "loading dc binary" << filename << "...OK";
+    return file.readAll();
+}

DownloadDCFirmware/dc_download.h

@@ -0,0 +1,32 @@
+#ifndef DC_DOWNLOAD_H_INCLUDED
+#define DC_DOWNLOAD_H_INCLUDED
+
+#include <QString>
+#include <QByteArray>
+
+class hwinf;
+class DcDownload {
+
+public:
+    enum class DownloadResult {OK, ERROR, TIMEOUT, NOP};
+
+    DcDownload(hwinf *hw);
+    ~DcDownload();
+
+    void doDownload();
+
+private:
+    DownloadResult sendStatus(int ret) const;
+    DownloadResult sendNextAddress(int bNum) const;
+    DownloadResult sendNextDataBlock(QByteArray const &binary, int bNum) const;
+    bool startBootloader() const;
+    bool stopBootloader() const;
+    QByteArray loadBinaryDCFile(QString dcFileName) const;
+    bool resetDeviceController() const;
+    DownloadResult dcDownloadBinary(QByteArray const &b) const;
+
+    hwinf *m_hw;
+    QString m_fileToDownload;
+};
+
+#endif // DOWNLOAD_THREAD_H_INCLUDED

DownloadDCFirmware/main.cpp

@@ -1,8 +1,183 @@
+
 #include <QtGlobal>
+#include <QCoreApplication>
+#include <QApplication>
+#include <QByteArray>
+
+#include <QProcess>
+#include <QCommandLineParser>
+#include <QStandardPaths>
+#include <QSettings>
+#include <QDir>
+#include <QDebug>
+#include <QThread>
+
+#include "message_handler.h"
+#include "commandline_parser.h"
+#include "utils.h"
+#include "update.h"
+#include "mainwindow.h"
+#include "System.h"
+
+#include <DeviceController/interfaces.h>
+
+#ifdef __linux__
+#include <sys/sysinfo.h>
+#endif
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+int read1stLineOfFile(QString fileName) {
+    QFile f(fileName);
+    if (f.exists()) {
+        if (f.open(QIODevice::ReadOnly | QIODevice::Text)) {
+            QTextStream in(&f);
+            in.setCodec("UTF-8");
+            while(!in.atEnd()) {
+                return in.readLine().toInt();
+            }
+        }
+    }
+    return -1;
+}
 
 int main(int argc, char **argv) {
-    Q_UNUSED(argc);
-    Q_UNUSED(argv);
+    QByteArray const value = qgetenv("LC_ALL");
+    if (value != "C") {
+        qputenv("LC_ALL", "C");
+    }
+    // qputenv("XDG_RUNTIME_DIR", "/var/run/user/0");
+
+    openlog("DC", LOG_PERROR | LOG_CONS, LOG_USER);
+
+    QApplication a(argc, argv);
+    QApplication::setApplicationName("ATBDownloadDCFirmware");
+    QApplication::setApplicationVersion(APP_VERSION);
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(LOG_NOTICE);
+    }
+
+    CommandLineParser parser;
+    parser.process(a);
+    parser.readSettings();
+
+    QString repositoryUrl = parser.repositoryUrl();
+    QString plugInDir = parser.plugInDir();
+    QString plugInName = parser.plugInName();
+    QString workingDir = parser.workingDir();
+    QString psaConfigDir = parser.psaConfigDir();
+    QString psaTariffDir = parser.psaTariffDir();
+    QString psaDcDir = parser.dcDir();
+    QString iniFileName = parser.iniFileName();
+    bool const dryRun = parser.dryRun();
+    bool const noUpdatePsaHardware = parser.noUpdatePsaHardware();
+    bool const showYoctoVersion = parser.yoctoVersion();
+    bool const showYoctoInstallStatus = parser.yoctoInstallStatus();
+    bool const showExtendedVersion = parser.extendedVersion();
+    bool const alwaysDownloadConfig = parser.alwaysDownloadConfig();
+    bool const alwaysDownloadDC = parser.alwaysDownloadDC();
+    bool const readDCVersion = parser.readDCVersion();
+
+    QString const rtPath = QCoreApplication::applicationDirPath();
+
+    int const machineNr = read1stLineOfFile("/mnt/system_data/machine_nr");
+    int const customerNr = read1stLineOfFile("/mnt/system_data/cust_nr");
+    int const zoneNr = read1stLineOfFile("/mnt/system_data/zone_nr");
+    QString const branchName = (zoneNr != 0)
+            ? QString("zg1/zone%1").arg(zoneNr) : "master";
+
+    qInfo() << "pwd ......................" << rtPath;
+    qInfo() << "repositoryUrl ............" << repositoryUrl;
+    qInfo() << "plugInDir ................" << plugInDir;
+    qInfo() << "plugInName ..............." << plugInName;
+    qInfo() << "workingDir ..............." << workingDir;
+    qInfo() << "psaConfigDir ............." << psaConfigDir;
+    qInfo() << "psaTariffDir ............." << psaTariffDir;
+    qInfo() << "dryRun ..................." << dryRun;
+    qInfo() << "noUpdatePsaHardware ......" << noUpdatePsaHardware;
+    qInfo() << "alwaysDownloadConfig ....." << alwaysDownloadConfig;
+    qInfo() << "alwaysDownloadDC ........." << alwaysDownloadDC;
+    qInfo() << "showYoctoVersion ........." << showYoctoVersion;
+    qInfo() << "showYoctoInstallStatus ..." << showYoctoInstallStatus;
+    qInfo() << "showExtendedVersion ......" << showExtendedVersion;
+    qInfo() << "iniFileName .............." << iniFileName;
+    qInfo() << "extended-version ........." << APP_EXTENDED_VERSION;
+    qInfo() << "machineNr ................" << machineNr;
+    qInfo() << "customerNr ..............." << customerNr;
+    qInfo() << "zoneNr ..................." << zoneNr;
+    qInfo() << "readDCVersion ............" << readDCVersion;
+    qInfo() << "dcDir ...................." << psaDcDir;
+
+    if (!QDir(plugInDir).exists()) {
+        qCritical() << plugInDir
+                    << "does not exists, but has to contain dc-library";
+        exit(-1);
+    }
+
+    if (showExtendedVersion) {
+        printf(APP_EXTENDED_VERSION"\n");
+        return 0;
+    }
+
+    QString const &customerRepo
+        = QDir::cleanPath(workingDir + QDir::separator() + QString("customer_%1").arg(customerNr));
+
+    // etc/dc: located under mount-path
+    std::optional<QString> mountPath = System::checkForUSBStick(psaDcDir);
+    QFileInfo fi;
+    if (mountPath.has_value()) {
+        fi.setFile(mountPath.value(), System::getDCFileOnUsbStick(mountPath.value()));
+    } else
+    if ((mountPath = System::checkForSDCard(psaDcDir)).has_value()) {
+        fi.setFile(mountPath.value(), System::getDCFileOnSDCard(mountPath.value()));
+    } else {
+        qInfo() << "using customer repository" << customerRepo;
+
+        QDir dir(QDir::cleanPath(customerRepo + QDir::separator() + "etc/dc"));
+        if (dir.exists()) {
+            fi.setFile(dir, dir.absoluteFilePath("dc2c.bin"));
+        } else {
+            qCritical() << "DIRECTORY" << dir << "DOES NOT EXIST";
+            return -1;
+        }
+    }
+
+    qInfo() << "downloading dc-firmware .." << fi.absoluteFilePath();
+    qInfo() << "dc-firmware size (bytes) ." << fi.size();
+    if (readDCVersion) {
+        qInfo() << "dc-version ..............." << Update::dcVersion(fi.absoluteFilePath());
+    }
+
+    QThread::currentThread()->setObjectName("main thread");
+    // qInfo() << "Main thread" << QThread::currentThreadId();
+
+    Update update(customerRepo,
+                  QString::number(customerNr),
+                  branchName,
+                  plugInDir,
+                  plugInName,
+                  workingDir,
+                  psaDcDir);
+
+    update.doUpdate(fi.absoluteFilePath());
+
+    // MainWindow mw;
+
+    // mw.setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
+    // mw.showFullScreen();
+
+    // qCritical() << "SHOW";
+
+    // mw.show();
+
+    qInfo() << "<DC-UPDATE-FINISH>";
 
     return 0;
+    // return a.exec();
 }

DownloadDCFirmware/mainwindow.cpp

@@ -0,0 +1,352 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+
+#include <QDateTime>
+#include <QMessageBox>
+#include <QDebug>
+#include <QScrollBar>
+#include <QEvent>
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+    , ui(new Ui::MainWindow)
+    , m_serial(new QSerialPort(this))
+    , m_width(70) {
+
+    this->setStatusBar(new QStatusBar(this));
+    QFont f;
+    f.setStyleHint(QFont::Monospace);
+    f.setWeight(QFont::Bold);
+    f.setFamily("Misc Fixed");
+    f.setPixelSize(12);
+    this->statusBar()->setFont(f);
+
+    ui->setupUi(this);
+
+    openSerialPort();
+
+    //ui->updateProgress->setRange(0, 100);
+    //ui->updateProgress->reset();
+
+#if 0
+    QStringList lst;
+    QString start = QDateTime::currentDateTime().toString(Qt::ISODate);
+    lst << QString("Start: ") + start.leftJustified(m_width-10);
+    lst << QString("").leftJustified(m_width-3, '=');
+    lst << QString("Update tool version: %1 - %2 %3").arg(APP_VERSION).arg(APP_BUILD_DATE).arg(APP_BUILD_TIME).leftJustified(m_width-3);
+    lst << QString("Machine number     : %1 ").arg(m_worker->machineNr()).leftJustified(m_width-3);
+    lst << QString("Customer number    : %1 ").arg(m_worker->customerNr()).leftJustified(m_width-3);
+    lst << QString("Zone number        : %1 (%2)").arg(m_worker->zoneNr()).arg(Utils::zoneName(m_worker->zoneNr())).leftJustified(m_width-3);
+    lst << QString("APISM version      : %1").arg(m_worker->apismVersion()).leftJustified(m_width-3);
+    lst << QString("").leftJustified(m_width-3, '=');
+
+    ui->updateStatus->setText(lst.join('\n'));
+    ui->updateStatus->setEnabled(true);
+    // ui->updateStatus->installEventFilter(this);
+
+    m_startTimer = new QTimer(this);
+    connect(m_startTimer, SIGNAL(timeout()), m_worker, SLOT(start()));
+    m_startTimer->setSingleShot(true);
+    m_startTimer->start(1000);
+
+    m_exitTimer = new QTimer(this);
+    connect(m_exitTimer, SIGNAL(timeout()), ui->exit, SLOT(click()));
+    m_exitTimer->setSingleShot(true);
+    m_exitTimer->start(1800 * 1000);
+
+    connect(ui->exit, SIGNAL(clicked()),this,SLOT(onQuit()));
+    connect(m_worker, SIGNAL(disableExit()),this,SLOT(onDisableExit()));
+    connect(m_worker, SIGNAL(enableExit()),this,SLOT(onEnableExit()));
+    connect(m_worker, SIGNAL(stopStartTimer()),this,SLOT(onStopStartTimer()));
+    connect(m_worker, SIGNAL(restartExitTimer()),this,SLOT(onRestartExitTimer()));
+    connect(m_worker, SIGNAL(appendText(QString,QString)),this,SLOT(onAppendText(QString,QString)));
+    connect(m_worker, SIGNAL(showErrorMessage(QString,QString)),this, SLOT(onShowErrorMessage(QString,QString)));
+    connect(m_worker, SIGNAL(showStatusMessage(QString,QString)),this, SLOT(onShowStatusMessage(QString,QString)));
+    connect(m_worker, SIGNAL(showErrorMessage(QStringList)),this, SLOT(onShowErrorMessage(QStringList)));
+    connect(m_worker, SIGNAL(showStatusMessage(QString,QString)),this, SLOT(onShowStatusMessage(QString,QString)));
+    connect(m_worker, SIGNAL(replaceLast(QString,QString)),this,SLOT(onReplaceLast(QString,QString)));
+    connect(m_worker, SIGNAL(replaceLast(QStringList,QString)),this, SLOT(onReplaceLast(QStringList,QString)));
+#endif
+}
+
+MainWindow::~MainWindow() {
+    //delete m_startTimer;
+    //delete m_exitTimer;
+    closeSerialPort();
+    delete ui;
+}
+
+bool MainWindow::openSerialPort() {
+   // const SettingsDialog::Settings p = m_settings->settings();
+   m_serial->setPortName(SERIAL_PORT);
+   m_serial->setBaudRate(QSerialPort::Baud115200);
+   m_serial->setDataBits(QSerialPort::DataBits::Data8);
+   m_serial->setParity(QSerialPort::Parity::NoParity);
+   m_serial->setStopBits(QSerialPort::StopBits::OneStop);
+   m_serial->setFlowControl(QSerialPort::FlowControl::NoFlowControl);
+   if (m_serial->open(QIODevice::ReadWrite)) {
+       //m_console->setEnabled(true);
+       //m_console->setLocalEchoEnabled(p.localEchoEnabled);
+       //m_ui->actionConnect->setEnabled(false);
+       //m_ui->actionDisconnect->setEnabled(true);
+       //m_ui->actionConfigure->setEnabled(false);
+       //showStatusMessage(tr("Connected to %1 : %2, %3, %4, %5, %6")
+       //                  .arg(p.name, p.stringBaudRate, p.stringDataBits,
+       //                       p.stringParity, p.stringStopBits, p.stringFlowControl));
+       return true;
+   } else {
+       //QMessageBox::critical(this, tr("Error"), m_serial->errorString());
+
+       //showStatusMessage(tr("Open error"));
+   }
+   return false;
+}
+
+bool MainWindow::closeSerialPort() {
+    if (m_serial->isOpen()) {
+        m_serial->close();
+        return true;
+    }
+    return false;
+    //m_console->setEnabled(false);
+    //m_ui->actionConnect->setEnabled(true);
+    //m_ui->actionDisconnect->setEnabled(false);
+    //m_ui->actionConfigure->setEnabled(true);
+    //showStatusMessage(tr("Disconnected"));
+}
+
+#if 0
+void MainWindow::customEvent(QEvent *event) {
+    if (event->type() == ProgressEvent::type()) {
+        ProgressEvent *pevent = (ProgressEvent *)event;
+        int const progress = pevent->progressPercent();
+        QObject const *sender = pevent->sender();
+        if (sender == this) {
+            switch(progress) {
+            case 0: {
+                ui->updateProgress->reset();
+            } break;
+            case START_PROGRESS_LOOP: {
+                m_progressRunning = true;
+                ui->updateProgress->reset();
+                // m_progressValue = 10;
+                QApplication::postEvent(this, new ProgressEvent(this, 1));
+            } break;
+            case STOP_PROGRESS_LOOP: {
+                m_progressRunning = false;
+                // m_progressValue -= 10;
+                // m_worker->setProgress(m_progressValue/10);
+            } break;
+            default: {
+                if (m_progressRunning) {
+                    // m_progressValue = progress;
+                    ui->updateProgress->setValue(progress);
+                    // ueberpruefen: hauptfenster schickt sich selber ein event
+                    // QApplication::postEvent(this, new ProgressEvent(this, progress));
+                    // QThread::msleep(500);
+                }}
+            }
+        } else
+        if (sender == m_worker) {
+            switch(progress) {
+            case 0: {
+                ui->updateProgress->reset();
+            } break;
+            case START_PROGRESS_LOOP: {
+                QApplication::postEvent(this, new ProgressEvent(this, START_PROGRESS_LOOP));
+            } break;
+            case STOP_PROGRESS_LOOP: {
+                QApplication::postEvent(this, new ProgressEvent(this, STOP_PROGRESS_LOOP));
+            } break;
+            default:{
+                ui->updateProgress->setValue(progress);
+            }}
+        } else {
+            qCritical() << "!!! UNKNOWN SENDER !!!";
+        }
+    }
+
+    QThread::yieldCurrentThread();
+}
+
+void MainWindow::onStopStartTimer() {
+    m_startTimer->stop();
+}
+
+void MainWindow::onDisableExit() {
+   ui->exit->setEnabled(false);
+}
+
+void MainWindow::onEnableExit() {
+   ui->exit->setEnabled(true);
+}
+
+void MainWindow::onRestartExitTimer() {
+    m_exitTimer->stop();
+    m_exitTimer->start(5 * 1000);
+
+    scrollDownTextEdit();
+    ui->updateStatus->setEnabled(false);
+}
+
+void MainWindow::onQuit() {
+    m_exitTimer->stop();
+    int errorCode = 0;
+
+    qCritical()
+        << QString("ON QUIT: CURRENT STEP %1")
+            .arg(m_worker->getSmap()[m_worker->currentStep()]);
+
+    // TODO: replace SEND_LAST_VERSION with UPDATE_SUCCEEDED
+    if (m_worker->currentStep() != Worker::UPDATE_STEP::SEND_LAST_VERSION) {
+        errorCode = -1;
+    }
+    qCritical() << QString("ON QUIT: EXIT CODE %1").arg(errorCode);
+    qApp->exit(errorCode);
+}
+
+void MainWindow::scrollDownTextEdit() {
+    // Utils::printInfoMsg(QString("SCROLL-DOWN-TEXT_EDIT CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+
+    ui->updateStatus->setEnabled(true);
+
+    QTextCursor tmpCursor = ui->updateStatus->textCursor();
+    tmpCursor.movePosition(QTextCursor::End);
+    ui->updateStatus->setTextCursor(tmpCursor);
+    ui->updateStatus->ensureCursorVisible();
+}
+
+void MainWindow::onAppendText(QString text, QString suffix) {
+    // Utils::printInfoMsg(QString("ON APPEND CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+
+    QString editText = ui->updateStatus->toPlainText();
+    scrollDownTextEdit();
+
+    if (!suffix.isNull() && suffix.size() > 0) {
+        //qInfo() << "TEXT" << text << "SUFFIX" << suffix;
+        if (suffix == Worker::UPDATE_STEP_SUCCESS || suffix == Worker::UPDATE_STEP_FAIL) {
+            ui->updateStatus->insertPlainText(QString("\n").leftJustified(m_width-3, '=') + " ");
+            // editText += QString("\n").leftJustified(m_width-3, '=');
+            // editText += " ";
+        }
+        QString const &add = (QString("\n") + text).leftJustified(m_width - (2 + suffix.size())) + suffix;
+        ui->updateStatus->insertPlainText(add);
+        // editText += add;
+    } else {
+        QString const &add = text.leftJustified(m_width-9);
+        ui->updateStatus->insertPlainText(add);
+        //editText += add;
+    }
+
+    // debug
+    // QString editText = ui->updateStatus->toPlainText();
+    // Utils::printLineEditInfo(editText.split('\n', QString::SplitBehavior::SkipEmptyParts));
+    // ui->updateStatus->setText(editText.trimmed());
+
+    scrollDownTextEdit();
+}
+
+void MainWindow::onReplaceLast(QStringList newTextLines, QString suffix) {
+    // Utils::printInfoMsg(QString("ON REPLACE LAST (LIST) CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+    int const s = newTextLines.size();
+    if (s > 0) {
+        QString editText = ui->updateStatus->toPlainText();
+        QStringList lines = editText.split('\n', QString::SplitBehavior::SkipEmptyParts);
+        QString newText;
+        if (lines.size() >= s) {
+            for (int i = 0; i < s; ++i) {
+                lines.removeLast();
+            }
+            if (lines.size() > 0) {
+                newText = lines.join('\n');
+                newText += '\n';
+            }
+            QStringList newLines;
+            for (int i = 0; i < s; ++i) {
+                if (i == 0 && !suffix.isNull() && suffix.size() > 0 && suffix != "\n") {
+                    newLines += Utils::rstrip(newTextLines.at(i).leftJustified(m_width-10) + suffix);
+                } else {
+                    newLines += Utils::rstrip(newTextLines.at(i).leftJustified(m_width-10));
+                }
+            }
+            lines += newLines;
+            newText += newLines.join(' ');
+        }
+
+        ui->updateStatus->setText(newText);
+        Utils::printLineEditInfo(lines);
+        scrollDownTextEdit();
+    }
+}
+
+void MainWindow::onReplaceLast(QString text, QString suffix) {
+    // Utils::printInfoMsg(QString("ON REPLACE LAST (TEXT) CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+    QString editText = ui->updateStatus->toPlainText();
+    QStringList lines = editText.split('\n', QString::SplitBehavior::SkipEmptyParts);
+    if (lines.size() > 0) {
+        // removing the last line is really meant for refreshing the last line
+        // with a string very similar than the original one, typically only
+        // followed by a suffix.
+        if (lines.last().contains(text)) {
+            lines.removeLast();
+        }
+        if (!suffix.isNull() && suffix.size() > 0 && suffix != "\n") {
+            QString const add = text.leftJustified(m_width-10) + suffix;
+            if (!add.isEmpty()) {
+                lines += text.leftJustified(m_width-10) + suffix;
+            }
+        } else {
+            QString const add = text.leftJustified(m_width-10);
+            if (!add.isEmpty()) {
+                lines += text.leftJustified(m_width-10);
+            }
+        }
+    }
+
+    Utils::printLineEditInfo(lines);
+    ui->updateStatus->setText(lines.join('\n').trimmed());
+    scrollDownTextEdit();
+}
+
+void MainWindow::onShowMessage(QString title, QString text) {
+    this->statusBar()->clearMessage();
+    this->statusBar()->showMessage( // timeout: 10000
+        QString(title + " " + text).leftJustified(80, ' '), 10000);
+}
+
+void MainWindow::onShowErrorMessage(QString title, QString text) {
+    onShowMessage(title, text);
+}
+
+void MainWindow::onShowStatusMessage(QString title, QString text) {
+    onShowMessage(title, text);
+}
+
+void MainWindow::onShowErrorMessage(QStringList lst) {
+    if (lst.size() >= 2) {
+        onShowMessage(lst.at(0), lst.at(1));
+    }
+    if (lst.size() == 1) {
+        onShowMessage(lst.at(0), "");
+    }
+}
+
+void MainWindow::onShowStatusMessage(QStringList lst) {
+    if (lst.size() >= 2) {
+        onShowMessage(lst.at(0), lst.at(1));
+    }
+    if (lst.size() == 1) {
+        onShowMessage(lst.at(0), "");
+    }
+}
+#endif

DownloadDCFirmware/mainwindow.h

@@ -0,0 +1,58 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <QTimer>
+#include <QStatusBar>
+#include <QWidget>
+#include <QSerialPort>
+#include <QSerialPortInfo>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class MainWindow; }
+QT_END_NAMESPACE
+
+
+class MainWindow : public QMainWindow {
+    Q_OBJECT
+
+public:
+    MainWindow(QWidget *parent = nullptr);
+    ~MainWindow();
+
+public slots:
+    //void onAppendText(QString, QString suffix = "");
+    //void onReplaceLast(QStringList, QString suffix = "");
+    //void onReplaceLast(QString, QString suffix = "");
+    //void onShowErrorMessage(QString, QString);
+    //void onShowStatusMessage(QString, QString);
+    //void onShowErrorMessage(QStringList);
+    //void onShowStatusMessage(QStringList);
+    //void onStopStartTimer();
+    //void onRestartExitTimer();
+    //void onEnableExit();
+    //void onDisableExit();
+
+signals:
+
+private slots:
+//    void onQuit();
+
+private:
+//    void scrollDownTextEdit();
+//    void onShowMessage(QString, QString);
+
+    bool openSerialPort();
+    bool closeSerialPort();
+
+    Ui::MainWindow *ui;
+    QSerialPort *m_serial;
+//    Worker *m_worker;
+    int const m_width;
+//    QTimer *m_startTimer;
+//    QTimer *m_exitTimer;
+//    bool m_progressRunning;
+    //int m_progressValue;
+//    UpdateDcEvent::UpdateStep m_updateStep;
+};
+#endif // MAINWINDOW_H

DownloadDCFirmware/mainwindow.ui

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>480</height>
+   </rect>
+  </property>
+  <property name="font">
+   <font>
+    <family>Source Code Pro</family>
+   </font>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QWidget" name="layoutWidget">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>10</y>
+      <width>781</width>
+      <height>441</height>
+     </rect>
+    </property>
+    <layout class="QGridLayout" name="gridLayout">
+     <item row="0" column="0" rowspan="3" colspan="2">
+      <widget class="QTextEdit" name="updateStatus">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
+       <property name="font">
+        <font>
+         <family>Misc Fixed</family>
+         <pointsize>11</pointsize>
+         <weight>75</weight>
+         <bold>true</bold>
+        </font>
+       </property>
+       <property name="verticalScrollBarPolicy">
+        <enum>Qt::ScrollBarAsNeeded</enum>
+       </property>
+       <property name="horizontalScrollBarPolicy">
+        <enum>Qt::ScrollBarAsNeeded</enum>
+       </property>
+       <property name="sizeAdjustPolicy">
+        <enum>QAbstractScrollArea::AdjustToContents</enum>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </widget>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

DownloadDCFirmware/update.cpp

@@ -0,0 +1,712 @@
+#include "update.h"
+#include "process/command.h"
+
+#include <QCoreApplication>
+#include <QFile>
+#include <QTemporaryFile>
+#include <QDebug>
+#include <QTextStream>
+#include <QRegularExpression>
+#include <QRegExp>
+
+#if defined (Q_OS_UNIX) || defined (Q_OS_LINUX)
+#include "unistd.h"
+#endif
+
+#include <DeviceController/interfaces.h>
+
+#include <QSharedMemory>
+#include <QScopedPointer>
+#include <QDir>
+#include <QThread>
+#include <QDateTime>
+#include <QPluginLoader>
+#include <QMap>
+#include <QStringList>
+#include <QString>
+
+#define UPDATE_OPKG                 (1)
+#define UPDATE_DC                   (0)
+
+static const QMap<QString, int> baudrateMap = {
+  {"1200"   ,   0}, {"9600"   ,   1}, {"19200"  ,   2}, {"38400"  ,   3},
+  {"57600"  ,   4}, {"115200" ,   5}
+};
+
+QPluginLoader Update::pluginLoader;
+
+hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
+    hwinf *hw = nullptr;
+    if (plugInDir.exists()) {
+        QString pluginLibName(fname);
+        pluginLibName = plugInDir.absoluteFilePath(pluginLibName);
+        QFileInfo info(pluginLibName);
+        if (info.exists()) {
+            pluginLibName = plugInDir.absoluteFilePath(pluginLibName);
+            pluginLoader.setFileName(pluginLibName);
+            // static QPluginLoader pluginLoader(pluginLibName);
+            if (!pluginLoader.load()) {
+                qCritical() << "in directory" << plugInDir.absolutePath();
+                qCritical() << "cannot load plugin" << pluginLoader.fileName();
+                qCritical() << pluginLoader.errorString();
+                return nullptr;
+            }
+
+            qCritical() << "loadDCPlugin() plugin directory:" << plugInDir.absolutePath();
+            qCritical() << "loadDCPlugin() plugin file name:" << pluginLoader.fileName();
+
+            if (!pluginLoader.isLoaded()) {
+                qCritical() << pluginLoader.errorString();
+                return nullptr;
+            }
+            QObject *plugin = pluginLoader.instance();
+            if (!plugin) {
+                qCritical() << "cannot start instance";
+                return nullptr;
+            }
+            if (! (hw = qobject_cast<hwinf *>(plugin))) {
+                qCritical() << "cannot cast plugin" << plugin << "to hwinf";
+                return nullptr;
+            }
+        } else {
+            qCritical() << pluginLibName << "does not exist";
+            return nullptr;
+        }
+    } else {
+        qCritical() << "plugins directory" << plugInDir.absolutePath()
+                    << "does not exist";
+        return nullptr;
+    }
+    return hw;
+}
+
+bool Update::unloadDCPlugin() {
+    if (pluginLoader.unload()) {
+        qCritical() << "unloaded plugin" << pluginLoader.fileName();
+        // Note: will re-instantiate the library !
+        // QObject *rootObject = pluginLoader.instance();
+        // if (rootObject) {
+        //    qCritical() << "reloaded plugin: root object again available";
+        //    return false;
+        // }
+        // qCritical()unloaded plugin: root object gone";
+        return true;
+    }
+    return false;
+}
+
+QString Update::dcVersion(QString const &dcBinFile) {
+    QProcess p;
+    QStringList params;
+
+    params << "-c" << QString(R"(strings %1 | grep DC2c.\[0-9\] | uniq)").arg(dcBinFile);
+
+    p.start("bash", params);
+    p.waitForFinished();
+    return QString(p.readAllStandardOutput()).trimmed().split(QRegularExpression("\\s")).first();
+}
+
+class hwapi;
+Update::Update(QString customerRepository,
+               QString customerNrStr,
+               QString branchName,
+               QString plugInDir,
+               QString pluginName,
+               QString workingDir,
+               QString psaDcDir,
+               bool dryRun,
+               QObject *parent,
+               char const *serialInterface,
+               char const *baudrate)
+    : QObject(parent) {
+#if 0
+
+    , m_hw(loadDCPlugin(QDir(plugInDir), pluginName))
+    , m_serialInterface(serialInterface)
+    , m_baudrate(baudrate)
+    , m_customerRepository(customerRepository)
+    , m_customerNrStr(customerNrStr)
+    , m_branchName(branchName)
+    , m_pluginName(pluginName)
+    , m_workingDir(workingDir)
+    , m_psaDcDir(psaDcDir)
+    , m_dryRun(dryRun)
+    , m_sys_areDCdataValid(false) {
+
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_hw == nullptr -> ca-slave plugin loaded ???";
+    } else {
+
+        // carun stoppen
+    }
+#endif
+    m_start = QDateTime::currentDateTime();
+}
+
+Update::~Update() {
+    unloadDCPlugin();
+}
+
+Update::DownloadResult Update::sendStatus(int ret) const {
+    switch (ret) {                  // return values of dc are:
+    case 0:                         // 0: no answer by now
+        return DownloadResult::NOP; // 1: error
+    case 10:                        // 10: success
+        return DownloadResult::OK;
+    default:;
+    }
+    return DownloadResult::ERROR;
+}
+
+Update::DownloadResult
+Update::sendNextAddress(int bNum) const {
+    // sends address only if blockNumber is one of 0, 1024, 2048, 3072, 4096
+    int noAnswerCount = 0;
+    int errorCount = 0;
+    if ( bNum==0 || bNum==1024 || bNum==2048 || bNum==3072 || bNum==4096 ) {
+        // qDebug() << "addr-block" << bNum << "...";
+        while (noAnswerCount <= 250) {
+            // TODO
+            // m_hw->bl_sendAddress(bNum);
+
+            QThread::msleep(100);
+
+            // TODO
+            // DownloadResult const res = sendStatus(m_hw->bl_wasSendingAddOK());
+
+            DownloadResult const res = DownloadResult::OK;
+
+            if (res != DownloadResult::NOP) {
+                if (res == DownloadResult::ERROR) {
+                    if (++errorCount >= 10) {
+                        qCritical() << "addr-block" << bNum << "...FAILED";
+                        return res;
+                    }
+                } else { // res == DownloadResult::OK
+                    qInfo() << nextTimePoint().toUtf8().constData() << "addr-block" << bNum << "...done";
+                    return res;
+                }
+            } else {
+                noAnswerCount += 1; // no answer by now
+            }
+        }
+        // wait max. about 3 seconds
+        return DownloadResult::TIMEOUT;
+    }
+    // blockNumber is not one of 0, 1024, 2048, 3072, 4096 -> do nothing
+    return DownloadResult::NOP;
+}
+
+Update::DownloadResult
+Update::sendNextDataBlock(QByteArray const &binary, int bNum) const {
+    uint8_t local[66];
+    int const bAddr = bNum * 64;
+    int noAnswerCount = 0;
+    int errorCount = 0;
+
+    memcpy(local, binary.constData() + bAddr, 64);
+    local[64] = local[65] = 0x00;
+
+    QString s = nextTimePoint();
+    s += " sending block ";
+    s += QString("%1/%2 ...done <DC-PROGRESS>").arg(bNum).arg(m_totalBlocks);
+    s += QString::number(ceil(((bNum * 100.0) / (double)m_totalBlocks)));
+
+    qInfo() << s.toUtf8().constData();
+
+    QThread::msleep(200);
+    return DownloadResult::OK;
+
+    // QByteArray b((const char *)(&local[0]), 64);
+    // qCritical() << "SNDB" << bNum << b.size() << b.toHex();
+
+    while (noAnswerCount <= 250) {
+        // TODO
+        // m_hw->bl_sendDataBlock(64, local);
+
+        // TODO
+        // DownloadResult const res = sendStatus(m_hw->bl_wasSendingDataOK());
+
+        DownloadResult const res = DownloadResult::OK;
+
+        if (res != DownloadResult::NOP) {
+            if (res == DownloadResult::ERROR) {
+                if (++errorCount >= 10) {
+                    qCritical() << "data for block" << bNum << "...FAILED";
+                    return res;
+                }
+            } else {
+                qInfo() << nextTimePoint().toUtf8().constData() << "data for block"
+                        << QString("%1/%2").arg(bNum).arg(m_totalBlocks) << "done";
+                return res;
+            }
+        } else {
+            noAnswerCount += 1; // no answer by now
+        }
+    }
+    // wait max. about 3 seconds
+    return DownloadResult::TIMEOUT;
+}
+
+bool Update::startBootloader() const {
+    QThread::msleep(1000);
+    qInfo() << nextTimePoint().toUtf8().constData() << "starting bootloader ...done";
+    return true;
+
+#if 0
+    int nTry = 5;
+    while (--nTry >= 0) {
+        m_hw->bl_startBL();
+        QThread::msleep(5000);
+        m_hw->bl_checkBL();
+        if (m_hw->bl_isUp()) {
+            qInfo() << "starting bootloader...OK";
+            QThread::msleep(5000);
+            return true;
+        } else {
+            qCritical() << "bootloader not up (" << nTry << ")";
+        }
+    }
+    qCritical() << "starting bootloader...FAILED";
+    return false;
+#endif
+}
+
+bool Update::stopBootloader() const {
+    QThread::msleep(1000);
+    qInfo() << nextTimePoint().toUtf8().constData() << "stopping bootloader ...done";
+    return true;
+
+#if 0
+    qDebug() << "stopping bootloader...";
+    int nTry = 5;
+    while (--nTry >= 0) {
+        m_hw->bl_stopBL();
+        QThread::msleep(500);
+        if (!m_hw->bl_isUp()) {
+            qInfo() << "stopping bootloader...OK";
+            return true;
+        }
+    }
+    qCritical() << "stopping bootloader...FAILED";
+    return false;
+#endif
+}
+
+bool Update::resetDeviceController() const {
+    // TODO
+    // m_hw->bl_rebootDC();
+
+    // wait maximally 3 seconds, before starting bootloader
+    QThread::sleep(1);
+
+    qInfo() << nextTimePoint().toUtf8().constData()
+            << "resetting device controller ...done";
+
+    return true;
+}
+
+
+QByteArray Update::loadBinaryDCFile(QString const &filename) const {
+
+    QFile file(filename); // closed in destructor call
+    if (!file.exists()) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                    << file.fileName() << "does not exist";
+        return QByteArray();
+    }
+    if (!file.open(QIODevice::ReadOnly)) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                    << "cannot open file" << file.fileName();
+        return QByteArray();
+    }
+
+    qInfo() << nextTimePoint().toUtf8().constData()
+            << "loading dc binary to memory" << Update::dcVersion(filename) << "...done";
+
+    return file.readAll();
+}
+/*
+ ///////////////////////////////////////////////////////////////////////////////
+ //
+ //                        USING THE DC BOOTLOADER
+ //
+ ///////////////////////////////////////////////////////////////////////////////
+
+ 1  :   bl_reboot()     // send to application, want DC2 to reset (in order to
+                        // start the bootloader)
+                        //
+                        // NOTE: this function is NOT reliable !!! Sometimes it
+                        // simply does not work, in which case bl_startBL,
+                        // bl_checkBL and bl_isUp do not work as well.
+                        // Alas, there is no feedback if bl_reboot worked!
+                        //
+                        // NOTE: this function can be called only once per
+                        // minute, because once called again, the controller
+                        // performs some self-checks consuming some time.
+                        //
+                        // NOTE: after a successful bl_reboot(), the device is
+                        // waiting about 4 seconds in the bootloader. To stay in
+                        // the bootloader, we have to send the command
+                        // bl_startBL(), which is kind of a misnomer, as it
+                        // should be bl_doNotLeaveBL().
+                        //
+ 2  :   bl_startBL():   // send within 4s after DC power-on, otherwise
+                        // bootloader is left.
+                        //
+                        // NOTE: a running bootloader is a MUST for the download
+                        // process of a device controller firmware as it does
+                        // the actual writing of the memory (the bl_reboot()
+                        // from above erases the available memory).
+                        //
+ 3  :   bl_check():     // send command to verify if bl is up
+                        //
+                        // NOTE: this command is kind of a request that we want
+                        // to check if the bootloader is up. The device
+                        // (actually the bootloader) responds with its version.
+                        //
+ 4  :   bl_isUp():      // returns true if bl is up and running
+                        //
+                        // NOTE: we know what the bootloader version actually is
+                        // as the bootloader does not change. By comparing the
+                        // string received in the previous step with this known
+                        // version string we know if the bootloader is up.
+                        //
+                        // NOTE FOR ALL PREVIOUS STEPS: execute them in their
+                        // own slots each to be sure to receive any possible
+                        // responds from the device.
+                        //
+ 5  :   bl_sendAddress(blockNumber)
+                        // send start address, nr of 64-byte block, start with 0
+                        // will be sent only for following block-numbers:
+                        // 0, 1024, 2048, 3072 and 4096, so basically every
+                        // 64kByte.
+                        // for other addresses nothing happens
+
+ 6  :   bl_wasSendingAddOK()
+                        // return val:  0: no response by now
+                        //              1: error
+                        //             10: OK
+
+ 7  :   bl_sendDataBlock()
+                        // send 64 byte from bin file
+
+ 8  :   bl_sendLastBlock()
+                        // send this command after all data are transferred
+
+ 9  :   bl_wasSendingDataOK()
+                        // return val:  0: no response by now
+                        //              1: error
+                        //             10: OK
+
+ 10 :   bl_stopBL()     // leave bl and start (the new) application
+                        //
+                        // NOTE: this function MUST work under all conditions.
+                        // Alas, there is no direct result for this command, so
+                        // the only way of knowing it was successful is to ask
+                        // the device if the bootloader is still running.
+                        // There is no problem to repeat this command until the
+                        // bootloader is really not running anymore.
+ */
+bool Update::doUpdate(QString const &dcFileName) {
+    qInfo() << "<DC-VERSION>" << Update::dcVersion(dcFileName);
+
+    m_dcFileName = dcFileName;
+
+    //QString const &fToWorkOn = usbStickDetected ? QDir::cleanPath(it->trimmed())
+    //: QDir::cleanPath(m_customerRepository + QDir::separator() + it->trimmed());
+
+    //if (!m_hw) {
+    //    qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+    //                << "ERROR!!! m_hw == nullptr";
+    //    return false;
+    //}
+
+    QByteArray ba = loadBinaryDCFile(m_dcFileName);
+    if (ba.size() > 0) {
+        m_totalBlocks = (((ba.size())%64)==0) ? (ba.size()/64) : (ba.size()/64)+1;
+
+        qInfo() << nextTimePoint().toUtf8().constData() << "blocks to send" << m_totalBlocks;
+
+        // fill last block of data to be sent with 0xFF
+        ba = ba.leftJustified(m_totalBlocks*64, (char)(0xFF));
+
+        resetDeviceController();
+        if (startBootloader()) {
+            int currentBlock = 0;
+            DownloadResult res = DownloadResult::OK;
+            qInfo() << nextTimePoint().toUtf8().constData() << "64-byte block" << currentBlock;
+
+            while (res != DownloadResult::ERROR && currentBlock < m_totalBlocks) {
+                if ((res = sendNextAddress(currentBlock)) != DownloadResult::ERROR) {
+                    if ((res = sendNextDataBlock(ba, currentBlock)) != DownloadResult::ERROR) {
+                        // TODO
+                        // m_hw->dcDownloadSetCurrentBlockNumber(currentBlock);
+                        currentBlock += 1;
+                    } else break;
+                }
+            }
+
+#if 0
+            qCritical() << "DownloadThread::run(): last 64-byte block %04d" << currentBlock;
+
+            int const rest = ba.size() % 64;
+            int const offset = ba.size() - rest;
+            char const *startAddress = ba.constData() + offset;
+
+            if (rest > 0) {
+                // SHOULD NEVER HAPPEN !!!
+                uint8_t local[66];
+                memset(local, 0xFF, sizeof(local));
+                memcpy(local, startAddress, rest);
+                qCritical() << "DownloadThread::run(): ERROR SEND REMAINING" << rest << "BYTES";
+                m_hw->bl_sendDataBlock(64, local);
+            } else {
+                m_hw->bl_sendLastBlock();
+                m_hw->dcDownloadSetCurrentBlockNumber(currentBlock);
+            }
+            qCritical() << "DownloadThread::run(): last result" << (int)sendStatus(m_hw->bl_wasSendingDataOK());
+#endif
+        }
+        stopBootloader();   // there is no harm in stopping the bootloader even
+                            // if starting the bootloader failed
+        qInfo() << nextTimePoint().toUtf8().constData() << "<DC-UPDATE-SUCCESS>";
+        return true;
+    }
+
+    qInfo() << nextTimePoint().toUtf8().constData() << "<DC-UPDATE-FAILURE>";
+    return false;
+}
+
+#if 0
+bool Update::checkJsonVersions(QStringList const& jsonFileNames) {
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return false;
+    }
+
+    int tries = 20;
+    while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
+        // must deliver 'true', only then are all data from hwapi valid
+        if (--tries < 0) {
+            qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                        << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED";
+            return false;
+        }
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
+        m_hw->dc_autoRequest(true);
+        QThread::msleep(500);
+    }
+
+    for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
+
+        uint8_t jsonNr = 0;
+
+        QString const &fName = jsonFileNames[i];
+
+        // send one request for every single version
+        // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+        //      6=printer template 1 ..... 36= template 32
+
+        if (fName.endsWith("conf.json")) {
+            jsonNr = 1;
+        } else
+        if (fName.endsWith("device.json")) {
+            jsonNr = 2;
+        } else
+        if (fName.endsWith("cash.json")) {
+            jsonNr = 3;
+        } else {
+            QRegularExpressionMatch match;
+            static const QRegularExpression re("^(.*print)([0-3][0-9])\\.json\\s*$");
+            int idx = fName.indexOf(re, 0, &match);
+            if (idx != -1) {
+                QString captured = match.captured(match.lastCapturedIndex());
+                bool ok = false;
+                int n = captured.toInt(&ok);
+                if (ok) {
+                    // note: use 5 (instead of 4 -> index has been shifted)
+                    jsonNr = n + 5;
+                }
+            }
+        }
+
+        if (jsonNr != 0) {
+            // send one request for every single version
+            // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+            //      5=printer template 1 ..... 36= template 32
+
+            m_hw->sys_requestJsonVersions(jsonNr);
+            QThread::msleep(500);
+
+            char buf[64];
+            memset(buf, 0x00, sizeof(buf));
+            m_hw->sys_getJsonVersions(jsonNr, buf);
+            buf[16] = '\0'; // the DC only handles 16 bytes
+
+            static const QByteArray cb(16, (char)0xff);
+
+            QString const installedVersion(QString::fromStdString(buf));
+            QString const fileVersion = getFileVersion(jsonFileNames[i]);
+
+            QFileInfo fi(jsonFileNames[i]);
+
+            qCritical() << endl;
+            qCritical() << "                json request nr:" << jsonNr;
+
+            if (installedVersion == fileVersion) {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+            } else
+            if (cb == QByteArray(buf) && fileVersion == "") {
+                qCritical() << "unknown json file (repo and DC):" << fi.fileName();
+            } else {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+                qCritical() << "     file version in repository:" << fileVersion;
+            }
+
+        } else {
+            qCritical() << "CANNOT FIND JSON-NR FOR" << fName;
+        }
+    }
+
+    return false;
+}
+
+
+QString Update::getFileVersion(QString const& jsonFileName) {
+    // "version":"15.10.2023 14:55 02.00.06",
+    static const QRegularExpression re("^.*(\\\"[Vv]ersion\\\":)([\\s\\\"]{0,})([^,\\\"]{0,}).*$");
+
+    QString fileVersion("");
+    QFile inputFile(QDir::cleanPath(m_customerRepository + QDir::separator() + jsonFileName));
+
+    if (inputFile.exists()) {
+        if (inputFile.open(QIODevice::ReadOnly)) {
+           QTextStream in(&inputFile);
+           while (!in.atEnd()) {
+              QString line = in.readLine();
+
+              QRegularExpressionMatch match;
+              int idx = line.indexOf(re, 0, &match);
+              if (idx != -1) {
+                  int const lastCaptured = match.lastCapturedIndex();
+                  // the dc only sends 16 Byte
+                  fileVersion = match.captured(lastCaptured);
+                  fileVersion.truncate(16);
+                  break;
+              }
+           }
+           inputFile.close();
+        }
+    } else {
+        // qCritical() << "ERROR" << inputFile.fileName() << "does not exist";
+    }
+
+    return fileVersion;
+}
+
+bool Update::downloadJson(enum FileTypeJson type,
+                          int templateIdx,
+                          QString jsFileToSendToDC) const {
+
+    m_hw->dc_autoRequest(true); // downloading Json needs the AutoEmission flag
+    qDebug() << "SET AUTO-REQUEST=TRUE";
+    QThread::sleep(1);  // make sure the auto-request flag is acknowledged
+
+    QStringList lst;
+    bool ready = false;
+    int nTry = 25;
+    while ((ready = m_hw->sys_ready4sending()) == false) {
+        QThread::msleep(200);
+        if (--nTry <= 0) {
+            qCritical() << "SYS NOT READY FOR SENDING AFTER 5 SECONDS";
+            break;
+        }
+    }
+
+    bool ret = false;
+    QString msg;
+    lst.clear();
+    if (ready) {
+        QFile file(jsFileToSendToDC);
+        QFileInfo fi(jsFileToSendToDC); // max. size of template file is 800 bytes
+        if (file.exists()) {
+            if (file.open(QIODevice::ReadOnly)) {
+                if (fi.size() > 0 && fi.size() <= 800) {
+                    QByteArray ba = file.readAll();
+                    // kindOfFile: 1=config, 2=device, 3=cash, 4=serial, 5=time, 6=printer
+                    //      nrOfTemplate=1...32 if kindOfFile==6
+                    //      content = content of the Json file, max 800byte ascii signs
+                    if (m_hw->sys_sendJsonFileToDc((uint8_t)(type),
+                                                   templateIdx,
+                                                   (uint8_t *)ba.data())) {
+
+                        /*
+                         *  Note: the machine id is contained in DC2C_conf.json.
+                         *  The idea was to use this to check if the download of
+                         *  the json-file was correct. It did not work, as the
+                         *  update of the PSA (to reflect a change in the
+                         *  machine id) did not happen immediately.
+                         *
+                            m_hw->dc_autoRequest(true);
+                            QThread::msleep(500);
+
+                            // testing
+                            m_hw->request_ReadbackMachineID();
+                            QThread::msleep(500);
+
+                            uint8_t data[64];
+                            memset(data, 0x00, sizeof(data));
+                            uint8_t length = 0;
+
+                            m_hw->readback_machineIDdata(&length, data);
+
+                            QThread::msleep(500);
+
+                            QByteArray ba((const char*)data, length);
+
+                            qCritical() << length << "MACHINE ID =" << ba.toHex(':');
+                        */
+
+                        ret = true;
+                    } else {
+                        qCritical() << QString("ERROR SEND JSON-FILE %1 TO DC").arg(file.fileName());
+                    }
+                } else {
+                    qCritical() << QString("SIZE OF %1 TOO BIG (%2 BYTES)").arg(jsFileToSendToDC).arg(fi.size());
+                }
+            } else {
+                qCritical() << QString("CAN NOT OPEN ") + jsFileToSendToDC + " FOR READING";
+            }
+        } else {
+            qCritical() << (QString(jsFileToSendToDC) + " DOES NOT EXIST");
+        }
+    }
+
+    m_hw->dc_autoRequest(false);
+    qDebug() << "SET AUTO-REQUEST=FALSE";
+    QThread::sleep(1);  // make sure the auto-request flag is acknowledged
+
+    return ret;
+}
+
+bool Update::updatePrinterTemplate(int templateIdx, QString jsFile) const {
+    return downloadJson(FileTypeJson::PRINTER, templateIdx, jsFile);
+}
+
+bool Update::updateConfig(QString jsFile) {
+    return downloadJson(FileTypeJson::CONFIG, 0, jsFile);
+}
+
+bool Update::updateCashConf(QString jsFile) {
+    return downloadJson(FileTypeJson::CASH, 0, jsFile);
+}
+
+bool Update::updateDeviceConf(QString jsFile) {
+    return downloadJson(FileTypeJson::DEVICE, 0, jsFile);
+}
+#endif

DownloadDCFirmware/update.h

@@ -0,0 +1,108 @@
+#ifndef UPDATE_H_INCLUDED
+#define UPDATE_H_INCLUDED
+
+#include <QObject>
+#include <QString>
+#include <QFile>
+#include <QDir>
+#include <QByteArray>
+#include <QProcess>
+#include <QPluginLoader>
+#include <QDateTime>
+#include <cmath>
+
+#include <initializer_list>
+
+#include <DeviceController/interfaces.h>
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+class Update : public QObject {
+    Q_OBJECT
+
+    hwinf *m_hw = nullptr;
+    char const *m_serialInterface;
+    char const *m_baudrate;
+    QString m_customerRepository;
+    QString m_customerNrStr;
+    QString m_branchName;
+    QString m_pluginName;
+    QString m_workingDir;
+    QString m_psaDcDir;
+    QString m_dcFileName;
+    bool m_maintenanceMode;
+    bool m_dryRun;
+    bool m_sys_areDCdataValid;
+
+    static QPluginLoader pluginLoader;
+
+    QDateTime m_start;
+    QString nextTimePoint() const {
+        float const secs = m_start.msecsTo(QDateTime::currentDateTime()) / 1000.0;
+        return QStringLiteral("+%1s").arg(secs, 7, 'f', 2, QChar('0'));
+    }
+
+public:
+    enum class DownloadResult {OK, ERROR, TIMEOUT, NOP};
+    enum class FileTypeJson {CONFIG=1, DEVICE=2, CASH=3, SERIAL=4, TIME=5, PRINTER=6};
+
+    static hwinf *loadDCPlugin(QDir const &plugInDir, QString const &fn);
+    static bool unloadDCPlugin();
+    static QStringList split(QString line, QChar sep = ',');
+
+    explicit Update(QString customerRepository,
+                    QString customerNrStr,
+                    QString branchName,
+                    QString plugInDir,
+                    QString pluginName,
+                    QString workingDir,
+                    QString psaDcDir,
+                    bool dryRun = false,
+                    QObject *parent = nullptr,
+                    char const *serialInterface = SERIAL_PORT,
+                    char const *baudrate = "115200");
+
+    virtual ~Update() override;
+
+    bool doUpdate(QString const &dcFileName);
+    static QString dcVersion(QString const &dcBinFile);
+
+private:
+    DownloadResult sendStatus(int ret) const;
+    DownloadResult sendNextAddress(int bNum) const;
+    DownloadResult sendNextDataBlock(QByteArray const &binary, int bNum) const;
+    bool startBootloader() const;
+    bool stopBootloader() const;
+    QByteArray loadBinaryDCFile(QString const &dcFilename) const;
+    bool resetDeviceController() const;
+    DownloadResult dcDownloadBinary(QByteArray const &b) const;
+
+    QString m_fileToDownload;
+    uint16_t m_totalBlocks = 0;
+/*
+private:
+    static QString jsonType(enum FileTypeJson type);
+    bool openSerial(int br, QString baudrate, QString comPort) const;
+    void closeSerial() const;
+    bool isSerialOpen() const;
+    bool resetDeviceController() const;
+    QByteArray loadBinaryDCFile(QString filename) const;
+    bool downloadBinaryToDC(QString const &bFile) const;
+    bool updateBinary(QString const &fileToSendToDC);
+    QStringList getDcSoftAndHardWareVersion();
+    QString getFileVersion(QString const& jsonFile);
+
+private slots:
+    void readyReadStandardOutput();
+    void readyReadStandardError();
+    void finished(int exitCode, QProcess::ExitStatus exitStatus);
+    void onReportDCDownloadStatus(QString const &status);
+    void onReportDCDownloadSuccess(QString const &msg);
+    void onReportDCDownloadFailure(QString const &errorMsg);
+*/
+};
+#endif // UPDATE_H_INCLUDED

DownloadDCFirmware/worker_thread.cpp

@@ -0,0 +1,13 @@
+#include "worker_thread.h"
+
+WorkerThread::WorkerThread(QObject *parent)
+  : QThread(parent) {
+}
+
+WorkerThread::~WorkerThread() {
+
+}
+
+void WorkerThread::run() {
+
+}

DownloadDCFirmware/worker_thread.h

@@ -0,0 +1,20 @@
+#ifndef WORKER_THREAD_H_INCLUDED
+#define WORKER_THREAD_H_INCLUDED
+
+#include <QThread>
+
+class WorkerThread : public QThread {
+    Q_OBJECT
+
+public:
+    explicit WorkerThread(QObject *parent = nullptr);
+    ~WorkerThread();
+
+
+private:
+    void run() override;
+
+    bool m_quit = false;
+};
+
+#endif // WORKER_THREAD_H_INCLUDED

DownloadDCJsonFiles/DownloadDCJsonFiles.pro

@@ -19,7 +19,12 @@ EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
 !contains(CONFIG, INCLUDEINTERFACES) {
     INCLUDEINTERFACES=/opt/ptu5/opt/DCLibraries/include
 }
-INCLUDEPATH += plugins $${INCLUDEINTERFACES}
+
+INCLUDEPATH += \
+    plugins \
+    $${INCLUDEINTERFACES} \
+    $${_PRO_FILE_PWD_}/../UpdatePTUDevCtrl \
+    $${_PRO_FILE_PWD_}/../common/include
 
 CONFIG += c++17
 
@@ -73,15 +78,20 @@ contains( CONFIG, DesktopLinux ) {
 
 SOURCES += \
         main.cpp \
-        message_handler.cpp \
-        process/command.cpp
+        ../UpdatePTUDevCtrl/message_handler.cpp \
+        ../UpdatePTUDevCtrl/commandline_parser.cpp \
+        update.cpp \
+        ../common/src/System.cpp
 
 HEADERS += \
-        message_handler.h \
-        process/command.h
+        ../UpdatePTUDevCtrl/message_handler.h \
+        ../UpdatePTUDevCtrl/commandline_parser.h \
+        update.h \
+        ../common/include/System.h
 
 OTHER_FILES += \
-    ATBDownloadDCJsonFiles.ini
+    ATBDownloadDCJsonFiles.ini \
+    ../ATBUpdateTool.ini
 
 
 ##########################################################################################

DownloadDCJsonFiles/main.cpp

@@ -3,7 +3,20 @@
 #include <QCoreApplication>
 #include <QByteArray>
 
+
+#include <QProcess>
+#include <QCommandLineParser>
+#include <QStandardPaths>
+#include <QSettings>
+#include <QDir>
+#include <QDebug>
+
 #include "message_handler.h"
+#include "commandline_parser.h"
+#include "utils.h"
+#include "update.h"
+#include "System.h"
+
 #include <DeviceController/interfaces.h>
 
 
@@ -16,6 +29,20 @@
 #define SERIAL_PORT "ttyUSB0"
 #endif
 
+int read1stLineOfFile(QString fileName) {
+    QFile f(fileName);
+    if (f.exists()) {
+        if (f.open(QIODevice::ReadOnly | QIODevice::Text)) {
+            QTextStream in(&f);
+            in.setCodec("UTF-8");
+            while(!in.atEnd()) {
+                return in.readLine().toInt();
+            }
+        }
+    }
+    return -1;
+}
+
 int main(int argc, char **argv) {
     QByteArray const value = qgetenv("LC_ALL");
     if (value != "C") {
@@ -34,23 +61,108 @@ int main(int argc, char **argv) {
         setDebugLevel(LOG_NOTICE);
     }
 
-    // int r = std::system("ls -l /proc/[0-9]*/fd/* 2>/dev/null | grep /dev/ttymxc2 > /tmp/slave-or-master.txt");
-    // lrwx------    1 root     root            64 Oct 31 14:55 /proc/884/fd/18 -> /dev/ttymxc2
+    CommandLineParser parser;
+    parser.process(a);
+    parser.readSettings();
 
-    //std::ifstream ifs("/tmp/slave-or-master.txt");
+    QString repositoryUrl = parser.repositoryUrl();
+    QString plugInDir = parser.plugInDir();
+    QString plugInName = parser.plugInName();
+    QString workingDir = parser.workingDir();
+    QString psaConfigDir = parser.psaConfigDir();
+    QString psaTariffDir = parser.psaTariffDir();
+    QString iniFileName = parser.iniFileName();
+    bool const dryRun = parser.dryRun();
+    bool const noUpdatePsaHardware = parser.noUpdatePsaHardware();
+    bool const showYoctoVersion = parser.yoctoVersion();
+    bool const showYoctoInstallStatus = parser.yoctoInstallStatus();
+    bool const showExtendedVersion = parser.extendedVersion();
+    bool const alwaysDownloadConfig = parser.alwaysDownloadConfig();
+    bool const alwaysDownloadDC = parser.alwaysDownloadDC();
+    Update::setPPid(parser.ppid());
 
-    //if (ifs.is_open()) {
-    //    std::string line;
-    //    if (std::getline(ifs, line)) {
-    //        if (line.size() > 0) {
-    //            std::cout << "SLAVE " << line << std::endl;
-    //        }
-    //    } else {
-    //    }
+    QString const rtPath = QCoreApplication::applicationDirPath();
 
-    //    ifs.close();
+    int const machineNr = read1stLineOfFile("/mnt/system_data/machine_nr");
+    int const customerNr = read1stLineOfFile("/mnt/system_data/cust_nr");
+    int const zoneNr = read1stLineOfFile("/mnt/system_data/zone_nr");
+    QString const branchName = (zoneNr != 0)
+            ? QString("zg1/zone%1").arg(zoneNr) : "master";
 
-    //}
+    if (Update::ppid() == -1) {
+        qInfo() << "pwd ......................" << rtPath;
+        qInfo() << "repositoryUrl ............" << repositoryUrl;
+        qInfo() << "plugInDir ................" << plugInDir;
+        qInfo() << "plugInName ..............." << plugInName;
+        qInfo() << "workingDir ..............." << workingDir;
+        qInfo() << "psaConfigDir ............." << psaConfigDir;
+        qInfo() << "psaTariffDir ............." << psaTariffDir;
+        qInfo() << "dryRun ..................." << dryRun;
+        qInfo() << "noUpdatePsaHardware ......" << noUpdatePsaHardware;
+        qInfo() << "alwaysDownloadConfig ....." << alwaysDownloadConfig;
+        qInfo() << "alwaysDownloadDC ........." << alwaysDownloadDC;
+        qInfo() << "showYoctoVersion ........." << showYoctoVersion;
+        qInfo() << "showYoctoInstallStatus ..." << showYoctoInstallStatus;
+        qInfo() << "showExtendedVersion ......" << showExtendedVersion;
+        qInfo() << "iniFileName .............." << iniFileName;
+        qInfo() << "extended-version ........." << APP_EXTENDED_VERSION;
+        qInfo() << "machineNr ................" << machineNr;
+        qInfo() << "customerNr ..............." << customerNr;
+        qInfo() << "zoneNr ..................." << zoneNr;
+        qInfo() << "parent pid ..............." << Update::ppid();
 
-    return a.exec();
+        if (showExtendedVersion) {
+            printf(APP_EXTENDED_VERSION"\n");
+            return 0;
+        }
+    }
+
+    QString const &customerRepo = QDir::cleanPath(workingDir + QDir::separator() + QString("customer_%1").arg(customerNr));
+    QStringList filesToUpdate;
+
+    // etc/psa_config: located under mount-path
+    std::optional<QString> mountPath = System::checkForUSBStick(psaConfigDir);
+    if (mountPath.has_value()) {
+        filesToUpdate = System::getJsonFilesOnUsbStick(mountPath.value());
+    } else {
+
+        if (Update::ppid() == -1) {
+            qCritical() << "Using customer repository" << customerRepo;
+        }
+
+        QDir dir(QDir::cleanPath(customerRepo + QDir::separator() + "etc/psa_config"));
+        if (dir.exists()) {
+            QStringList jsons = dir.entryList(QStringList() << "DC2C*.json", QDir::Files);
+            if (!jsons.isEmpty()) {
+                for (QStringList::size_type i=0; i<jsons.size(); ++i) {
+                    filesToUpdate << QDir::cleanPath(QString("etc/psa_config/") + jsons.at(i));
+                }
+            }
+        } else {
+            qCritical() << "DIRECTORY" << dir << "DOES NOT EXIST";
+            return -1;
+        }
+    }
+
+    // qCritical() << "JSON FILES TO UPDATE" << filesToUpdate;
+
+    Update update(customerRepo,
+                  QString::number(customerNr),
+                  branchName,
+                  plugInDir,
+                  plugInName,
+                  workingDir);
+
+    update.doUpdate();
+    // update.doUpdate(filesToUpdate, mountPath.has_value());
+    // update.checkJsonVersions();
+    //update.checkJsonVersions(filesToUpdate);
+
+    if (mountPath.has_value()) {
+        System::umountUSBStick();
+    }
+
+    qInfo() << "<JS-UPDATE-FINISH>";
+
+    return 0;
 }

DownloadDCJsonFiles/update.cpp

@@ -0,0 +1,475 @@
+#include "update.h"
+
+#include <QCoreApplication>
+#include <QFile>
+#include <QTemporaryFile>
+#include <QDebug>
+#include <QTextStream>
+#include <QRegularExpression>
+#include <QRegExp>
+
+#if defined (Q_OS_UNIX) || defined (Q_OS_LINUX)
+#include "unistd.h"
+#endif
+
+#include <DeviceController/interfaces.h>
+
+#include <QSharedMemory>
+#include <QScopedPointer>
+#include <QDir>
+#include <QThread>
+#include <QDateTime>
+#include <QPluginLoader>
+#include <QMap>
+#include <cmath>
+
+#define UPDATE_OPKG                 (1)
+#define UPDATE_DC                   (0)
+
+qint64 Update::c_ppid = -1;
+
+static const QMap<QString, int> baudrateMap = {
+  {"1200"   ,   0}, {"9600"   ,   1}, {"19200"  ,   2}, {"38400"  ,   3},
+  {"57600"  ,   4}, {"115200" ,   5}
+};
+
+QPluginLoader Update::pluginLoader;
+
+hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
+    hwinf *hw = nullptr;
+    if (plugInDir.exists()) {
+        QString pluginLibName(fname);
+        pluginLibName = plugInDir.absoluteFilePath(pluginLibName);
+        QFileInfo info(pluginLibName);
+        if (info.exists()) {
+            pluginLibName = plugInDir.absoluteFilePath(pluginLibName);
+            pluginLoader.setFileName(pluginLibName);
+            // static QPluginLoader pluginLoader(pluginLibName);
+            if (!pluginLoader.load()) {
+                qCritical() << "in directory" << plugInDir.absolutePath();
+                qCritical() << "cannot load plugin" << pluginLoader.fileName();
+                qCritical() << pluginLoader.errorString();
+                return nullptr;
+            }
+
+            qCritical() << "loadDCPlugin() plugin directory:" << plugInDir.absolutePath();
+            qCritical() << "loadDCPlugin() plugin file name:" << pluginLoader.fileName();
+
+            if (!pluginLoader.isLoaded()) {
+                qCritical() << pluginLoader.errorString();
+                return nullptr;
+            }
+            QObject *plugin = pluginLoader.instance();
+            if (!plugin) {
+                qCritical() << "cannot start instance";
+                return nullptr;
+            }
+            if (! (hw = qobject_cast<hwinf *>(plugin))) {
+                qCritical() << "cannot cast plugin" << plugin << "to hwinf";
+                return nullptr;
+            }
+        } else {
+            qCritical() << pluginLibName << "does not exist";
+            return nullptr;
+        }
+    } else {
+        qCritical() << "plugins directory" << plugInDir.absolutePath()
+                    << "does not exist";
+        return nullptr;
+    }
+    return hw;
+}
+
+bool Update::unloadDCPlugin() {
+    if (pluginLoader.unload()) {
+        qCritical() << "unloaded plugin" << pluginLoader.fileName();
+        // Note: will re-instantiate the library !
+        // QObject *rootObject = pluginLoader.instance();
+        // if (rootObject) {
+        //    qCritical() << "reloaded plugin: root object again available";
+        //    return false;
+        // }
+        // qCritical()unloaded plugin: root object gone";
+        return true;
+    }
+    return false;
+}
+
+class hwapi;
+Update::Update(QString customerRepository,
+               QString customerNrStr,
+               QString branchName,
+               QString plugInDir,
+               QString pluginName,
+               QString workingDir,
+               bool dryRun,
+               QObject *parent,
+               char const *serialInterface,
+               char const *baudrate)
+    : QObject(parent)
+    // , m_hw(loadDCPlugin(QDir(plugInDir), pluginName))
+    , m_serialInterface(serialInterface)
+    , m_baudrate(baudrate)
+    , m_customerRepository(customerRepository)
+    , m_customerNrStr(customerNrStr)
+    , m_branchName(branchName)
+    , m_pluginName(pluginName)
+    , m_workingDir(workingDir)
+    , m_dryRun(dryRun)
+    , m_sys_areDCdataValid(false) {
+
+    m_start = QDateTime::currentDateTime();
+
+    if (Update::ppid() == -1) {
+        if (!m_hw) {
+            qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_hw == nullptr -> ca-slave plugin loaded ???";
+        } else {
+            int tries = 20;
+            while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
+                // must deliver 'true', only then are all data from hwapi valid
+                if (--tries < 0) {
+                    qCritical() << "ERROR!!! DC DATA NOT VALID -> CA-MASTER-PLUGIN NOT CONNECTED";
+                    break;
+                }
+                m_hw->dc_autoRequest(true);
+                QThread::msleep(500);
+            }
+
+            qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_sys_areDCDataValid ..."
+                        << m_sys_areDCdataValid;
+        }
+    }
+}
+
+Update::~Update() {
+    // unloadDCPlugin();
+}
+
+bool Update::doUpdate() {
+
+    int numberOfFiles = 3;
+
+    QString s = nextTimePoint();
+    s += " sending ";
+    s += QString("%1 ...done <JS-PROGRESS>").arg("DC2C_cash.json");
+    s += QString::number(ceil(((1 * 100.0) / (double)numberOfFiles)));
+
+    qInfo() << s.toUtf8().constData();
+
+    QThread::msleep(2000);
+
+    s = nextTimePoint();
+    s += " sending ";
+    s += QString("%1 ...done <JS-PROGRESS>").arg("DC2C_device.json");
+    s += QString::number(ceil(((2 * 100.0) / (double)numberOfFiles)));
+
+    qInfo() << s.toUtf8().constData();
+
+    QThread::msleep(2000);
+
+    s = nextTimePoint();
+    s += " sending ";
+    s += QString("%1 ...done <JS-PROGRESS>").arg("DC2C_print01.json");
+    s += QString::number(ceil(((3 * 100.0) / (double)numberOfFiles)));
+
+    qInfo() << s.toUtf8().constData();
+
+    QThread::msleep(2000);
+
+    return true;
+}
+
+bool Update::doUpdate(QStringList const &filesToWorkOn, bool usbStickDetected) {
+
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return false;
+    }
+
+    int tries = 20;
+    while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
+        // must deliver 'true', only then are all data from hwapi valid
+        if (--tries < 0) {
+            qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                        << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED";
+            return false;
+        }
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
+        m_hw->dc_autoRequest(true);
+        QThread::msleep(500);
+    }
+
+    bool res = false;
+
+    QList<QString>::const_iterator it;
+    for (it = filesToWorkOn.cbegin(); it != filesToWorkOn.cend(); ++it) {
+        QString const &fToWorkOn = usbStickDetected ? QDir::cleanPath(it->trimmed())
+            : QDir::cleanPath(m_customerRepository + QDir::separator() + it->trimmed());
+        if (fToWorkOn.contains("DC2C_print", Qt::CaseInsensitive)
+         && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            res = true;
+            int i = fToWorkOn.indexOf("DC2C_print", Qt::CaseInsensitive);
+            int const templateIdx = fToWorkOn.mid(i).midRef(10, 2).toInt();
+            if ((templateIdx < 1) || (templateIdx > 32)) {
+                qCritical() << "WRONG TEMPLATE INDEX" << templateIdx;
+                res = false;
+            } else {
+                if ((res = updatePrinterTemplate(templateIdx, fToWorkOn))) {
+                    qCritical() <<
+                        QString("DOWNLOADED PRINTER TEMPLATE %1 WITH INDEX=%2")
+                            .arg(fToWorkOn)
+                            .arg(templateIdx);
+                }
+            }
+        } else if (fToWorkOn.contains("DC2C_cash", Qt::CaseInsensitive)
+                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            if ((res = updateCashConf(fToWorkOn))) {
+                qCritical() << QString("DOWNLOADED CASH TEMPLATE %1").arg(fToWorkOn);
+            }
+        } else if (fToWorkOn.contains("DC2C_conf", Qt::CaseInsensitive)
+                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            if ((res = updateConfig(fToWorkOn))) {
+                qCritical() << QString("DOWNLOADED CONFIG TEMPLATE %1").arg(fToWorkOn);
+            }
+        } else if (fToWorkOn.contains("DC2C_device", Qt::CaseInsensitive)
+                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            if ((res = updateDeviceConf(fToWorkOn))) {
+                qCritical() << QString("DOWNLOADED DEVICE TEMPLATE %1").arg(fToWorkOn);
+            }
+        } else {
+            qCritical() << "UNKNOWN JSON FILE NAME" << fToWorkOn;
+            res = false;
+        }
+    }
+
+    return res;
+}
+
+bool Update::checkJsonVersions(QStringList const& jsonFileNames) {
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return false;
+    }
+
+    int tries = 20;
+    while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
+        // must deliver 'true', only then are all data from hwapi valid
+        if (--tries < 0) {
+            qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                        << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED";
+            return false;
+        }
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
+        m_hw->dc_autoRequest(true);
+        QThread::msleep(500);
+    }
+
+    for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
+
+        uint8_t jsonNr = 0;
+
+        QString const &fName = jsonFileNames[i];
+
+        // send one request for every single version
+        // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+        //      6=printer template 1 ..... 36= template 32
+
+        if (fName.endsWith("conf.json")) {
+            jsonNr = 1;
+        } else
+        if (fName.endsWith("device.json")) {
+            jsonNr = 2;
+        } else
+        if (fName.endsWith("cash.json")) {
+            jsonNr = 3;
+        } else {
+            QRegularExpressionMatch match;
+            static const QRegularExpression re("^(.*print)([0-3][0-9])\\.json\\s*$");
+            int idx = fName.indexOf(re, 0, &match);
+            if (idx != -1) {
+                QString captured = match.captured(match.lastCapturedIndex());
+                bool ok = false;
+                int n = captured.toInt(&ok);
+                if (ok) {
+                    // note: use 5 (instead of 4 -> index has been shifted)
+                    jsonNr = n + 5;
+                }
+            }
+        }
+
+        if (jsonNr != 0) {
+            // send one request for every single version
+            // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+            //      5=printer template 1 ..... 36= template 32
+
+            m_hw->sys_requestJsonVersions(jsonNr);
+            QThread::msleep(500);
+
+            char buf[64];
+            memset(buf, 0x00, sizeof(buf));
+            m_hw->sys_getJsonVersions(jsonNr, buf);
+            buf[16] = '\0'; // the DC only handles 16 bytes
+
+            static const QByteArray cb(16, (char)0xff);
+
+            QString const installedVersion(QString::fromStdString(buf));
+            QString const fileVersion = getFileVersion(jsonFileNames[i]);
+
+            QFileInfo fi(jsonFileNames[i]);
+
+            qCritical() << endl;
+            qCritical() << "                json request nr:" << jsonNr;
+
+            if (installedVersion == fileVersion) {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+            } else
+            if (cb == QByteArray(buf) && fileVersion == "") {
+                qCritical() << "unknown json file (repo and DC):" << fi.fileName();
+            } else {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+                qCritical() << "     file version in repository:" << fileVersion;
+            }
+
+        } else {
+            qCritical() << "CANNOT FIND JSON-NR FOR" << fName;
+        }
+    }
+
+    return false;
+}
+
+
+QString Update::getFileVersion(QString const& jsonFileName) {
+    // "version":"15.10.2023 14:55 02.00.06",
+    static const QRegularExpression re("^.*(\\\"[Vv]ersion\\\":)([\\s\\\"]{0,})([^,\\\"]{0,}).*$");
+
+    QString fileVersion("");
+    QFile inputFile(QDir::cleanPath(m_customerRepository + QDir::separator() + jsonFileName));
+
+    if (inputFile.exists()) {
+        if (inputFile.open(QIODevice::ReadOnly)) {
+           QTextStream in(&inputFile);
+           while (!in.atEnd()) {
+              QString line = in.readLine();
+
+              QRegularExpressionMatch match;
+              int idx = line.indexOf(re, 0, &match);
+              if (idx != -1) {
+                  int const lastCaptured = match.lastCapturedIndex();
+                  // the dc only sends 16 Byte
+                  fileVersion = match.captured(lastCaptured);
+                  fileVersion.truncate(16);
+                  break;
+              }
+           }
+           inputFile.close();
+        }
+    } else {
+        // qCritical() << "ERROR" << inputFile.fileName() << "does not exist";
+    }
+
+    return fileVersion;
+}
+
+bool Update::downloadJson(enum FileTypeJson type,
+                          int templateIdx,
+                          QString jsFileToSendToDC) const {
+
+    m_hw->dc_autoRequest(true); // downloading Json needs the AutoEmission flag
+    qDebug() << "SET AUTO-REQUEST=TRUE";
+    QThread::sleep(1);  // make sure the auto-request flag is acknowledged
+
+    QStringList lst;
+    bool ready = false;
+    int nTry = 25;
+    while ((ready = m_hw->sys_ready4sending()) == false) {
+        QThread::msleep(200);
+        if (--nTry <= 0) {
+            qCritical() << "SYS NOT READY FOR SENDING AFTER 5 SECONDS";
+            break;
+        }
+    }
+
+    bool ret = false;
+    QString msg;
+    lst.clear();
+    if (ready) {
+        QFile file(jsFileToSendToDC);
+        QFileInfo fi(jsFileToSendToDC); // max. size of template file is 800 bytes
+        if (file.exists()) {
+            if (file.open(QIODevice::ReadOnly)) {
+                if (fi.size() > 0 && fi.size() <= 800) {
+                    QByteArray ba = file.readAll();
+                    // kindOfFile: 1=config, 2=device, 3=cash, 4=serial, 5=time, 6=printer
+                    //      nrOfTemplate=1...32 if kindOfFile==6
+                    //      content = content of the Json file, max 800byte ascii signs
+                    if (m_hw->sys_sendJsonFileToDc((uint8_t)(type),
+                                                   templateIdx,
+                                                   (uint8_t *)ba.data())) {
+
+                        /*
+                         *  Note: the machine id is contained in DC2C_conf.json.
+                         *  The idea was to use this to check if the download of
+                         *  the json-file was correct. It did not work, as the
+                         *  update of the PSA (to reflect a change in the
+                         *  machine id) did not happen immediately.
+                         *
+                            m_hw->dc_autoRequest(true);
+                            QThread::msleep(500);
+
+                            // testing
+                            m_hw->request_ReadbackMachineID();
+                            QThread::msleep(500);
+
+                            uint8_t data[64];
+                            memset(data, 0x00, sizeof(data));
+                            uint8_t length = 0;
+
+                            m_hw->readback_machineIDdata(&length, data);
+
+                            QThread::msleep(500);
+
+                            QByteArray ba((const char*)data, length);
+
+                            qCritical() << length << "MACHINE ID =" << ba.toHex(':');
+                        */
+
+                        ret = true;
+                    } else {
+                        qCritical() << QString("ERROR SEND JSON-FILE %1 TO DC").arg(file.fileName());
+                    }
+                } else {
+                    qCritical() << QString("SIZE OF %1 TOO BIG (%2 BYTES)").arg(jsFileToSendToDC).arg(fi.size());
+                }
+            } else {
+                qCritical() << QString("CAN NOT OPEN ") + jsFileToSendToDC + " FOR READING";
+            }
+        } else {
+            qCritical() << (QString(jsFileToSendToDC) + " DOES NOT EXIST");
+        }
+    }
+
+    return ret;
+}
+
+bool Update::updatePrinterTemplate(int templateIdx, QString jsFile) const {
+    return downloadJson(FileTypeJson::PRINTER, templateIdx, jsFile);
+}
+
+bool Update::updateConfig(QString jsFile) {
+    return downloadJson(FileTypeJson::CONFIG, 0, jsFile);
+}
+
+bool Update::updateCashConf(QString jsFile) {
+    return downloadJson(FileTypeJson::CASH, 0, jsFile);
+}
+
+bool Update::updateDeviceConf(QString jsFile) {
+    return downloadJson(FileTypeJson::DEVICE, 0, jsFile);
+}

DownloadDCJsonFiles/update.h

@@ -0,0 +1,160 @@
+#ifndef UPDATE_H_INCLUDED
+#define UPDATE_H_INCLUDED
+
+#include <QObject>
+#include <QString>
+#include <QFile>
+#include <QDir>
+#include <QByteArray>
+#include <QProcess>
+#include <QPluginLoader>
+#include <QDateTime>
+
+#include <initializer_list>
+
+#include <DeviceController/interfaces.h>
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+class Update : public QObject {
+    Q_OBJECT
+
+    hwinf *m_hw = nullptr;
+    char const *m_serialInterface;
+    char const *m_baudrate;
+    QString m_customerRepository;
+    QString m_customerNrStr;
+    QString m_branchName;
+    QString m_pluginName;
+    QString m_workingDir;
+    bool m_maintenanceMode;
+    bool m_dryRun;
+    bool m_sys_areDCdataValid;
+
+    static QPluginLoader pluginLoader;
+
+    QDateTime m_start;
+    QString nextTimePoint() const {
+        float const secs = m_start.msecsTo(QDateTime::currentDateTime()) / 1000.0;
+        return QStringLiteral("+%1s").arg(secs, 7, 'f', 2, QChar('0'));
+    }
+
+    static qint64 c_ppid;
+
+public:
+    enum class DownloadResult {OK, ERROR, TIMEOUT, NOP};
+    enum class FileTypeJson {CONFIG=1, DEVICE=2, CASH=3, SERIAL=4, TIME=5, PRINTER=6};
+
+    static hwinf *loadDCPlugin(QDir const &plugInDir, QString const &fn);
+    static bool unloadDCPlugin();
+    static QStringList split(QString line, QChar sep = ',');
+
+    static qint64 ppid() { return c_ppid; }
+    static void setPPid(qint64 ppid) { c_ppid = ppid; }
+
+    explicit Update(QString customerRepository,
+                    QString customerNrStr,
+                    QString branchName,
+                    QString plugInDir,
+                    QString pluginName,
+                    QString workingDir,
+                    bool dryRun = false,
+                    QObject *parent = nullptr,
+                    char const *serialInterface = SERIAL_PORT,
+                    char const *baudrate = "115200");
+
+    virtual ~Update() override;
+
+    bool doUpdate(QStringList const &jsonFilesToDownload, bool usbStickDetected = false);
+    bool doUpdate();
+
+    bool updatePrinterTemplate(int templateIdx, QString fname) const;
+    bool updateConfig(QString jsFileToSendToDC);
+    bool updateCashConf(QString jsFileToSendToDC);
+    bool updateDeviceConf(QString jsFileToSendToDC);
+
+    bool downloadJson(enum FileTypeJson type, int templateIdx,
+                      QString jsFileToSendToDC) const;
+
+
+    QString getFileVersion(QString const& jsonFileName);
+    bool checkJsonVersions(QStringList const& jsonFileNames =
+                            QStringList(
+                                QList(
+                                    std::initializer_list<QString>{
+                                        QString("etc/psa_config/DC2C_conf.json"),
+                                        QString("etc/psa_config/DC2C_cash.json"),
+                                        QString("etc/psa_config/DC2C_device.json"),
+                                        QString("etc/psa_config/DC2C_print01.json"),
+                                        QString("etc/psa_config/DC2C_print02.json"),
+                                        QString("etc/psa_config/DC2C_print03.json"),
+                                        QString("etc/psa_config/DC2C_print04.json"),
+                                        QString("etc/psa_config/DC2C_print05.json"),
+                                        QString("etc/psa_config/DC2C_print06.json"),
+                                        QString("etc/psa_config/DC2C_print07.json"),
+                                        QString("etc/psa_config/DC2C_print08.json"),
+                                        QString("etc/psa_config/DC2C_print09.json"),
+                                        QString("etc/psa_config/DC2C_print10.json"),
+                                        QString("etc/psa_config/DC2C_print11.json"),
+                                        QString("etc/psa_config/DC2C_print12.json"),
+                                        QString("etc/psa_config/DC2C_print13.json"),
+                                        QString("etc/psa_config/DC2C_print14.json"),
+                                        QString("etc/psa_config/DC2C_print15.json"),
+                                        QString("etc/psa_config/DC2C_print16.json"),
+                                        QString("etc/psa_config/DC2C_print17.json"),
+                                        QString("etc/psa_config/DC2C_print18.json"),
+                                        QString("etc/psa_config/DC2C_print19.json"),
+                                        QString("etc/psa_config/DC2C_print20.json"),
+                                        QString("etc/psa_config/DC2C_print21.json"),
+                                        QString("etc/psa_config/DC2C_print22.json"),
+                                        QString("etc/psa_config/DC2C_print23.json"),
+                                        QString("etc/psa_config/DC2C_print24.json"),
+                                        QString("etc/psa_config/DC2C_print25.json"),
+                                        QString("etc/psa_config/DC2C_print26.json"),
+                                        QString("etc/psa_config/DC2C_print27.json"),
+                                        QString("etc/psa_config/DC2C_print28.json"),
+                                        QString("etc/psa_config/DC2C_print29.json"),
+                                        QString("etc/psa_config/DC2C_print30.json"),
+                                        QString("etc/psa_config/DC2C_print31.json"),
+                                        QString("etc/psa_config/DC2C_print32.json")})));
+/*
+    bool checkDownloadedJsonVersions(QStringList const& jsonFileNames);
+
+    hwinf *hw() { return m_hw; }
+    hwinf const *hw() const { return m_hw; }
+
+    //QString customerId() { return m_customerId; }
+    //QString const customerId() const { return m_customerId; }
+
+    QString branchName() { return m_branchName; }
+    QString const branchName() const { return m_branchName; }
+
+    //QString repositoryPath() { return m_repositoryPath; }
+    //QString const repositoryPath() const { return m_repositoryPath; }
+
+private:
+    static QString jsonType(enum FileTypeJson type);
+    bool openSerial(int br, QString baudrate, QString comPort) const;
+    void closeSerial() const;
+    bool isSerialOpen() const;
+    bool resetDeviceController() const;
+    QByteArray loadBinaryDCFile(QString filename) const;
+    bool downloadBinaryToDC(QString const &bFile) const;
+    bool updateBinary(QString const &fileToSendToDC);
+    QStringList getDcSoftAndHardWareVersion();
+    QString getFileVersion(QString const& jsonFile);
+
+private slots:
+    void readyReadStandardOutput();
+    void readyReadStandardError();
+    void finished(int exitCode, QProcess::ExitStatus exitStatus);
+    void onReportDCDownloadStatus(QString const &status);
+    void onReportDCDownloadSuccess(QString const &msg);
+    void onReportDCDownloadFailure(QString const &errorMsg);
+*/
+};
+#endif // UPDATE_H_INCLUDED

Git/Git.pro

@@ -0,0 +1,84 @@
+QT += core
+
+TARGET = ATBUpdateGit
+
+VERSION="1.0.0"
+win32 {
+    BUILD_DATE=$$system("date /t")
+    BUILD_TIME=$$system("time /t")
+} else {
+    BUILD_DATE=$$system("date +%d-%m-%y")
+    BUILD_TIME=$$system("date +%H:%M:%S")
+}
+
+GIT_COMMIT=$$system("git log -1 --format=oneline | cut -d' ' -f1")
+
+EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
+
+
+INCLUDEPATH += \
+    plugins \
+    $${INCLUDEINTERFACES} \
+    $${_PRO_FILE_PWD_}/../common/include
+
+CONFIG += c++17
+
+DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
+DEFINES+=APP_BUILD_DATE=\\\"$$BUILD_DATE\\\"
+DEFINES+=APP_BUILD_TIME=\\\"$$BUILD_TIME\\\"
+DEFINES+=APP_EXTENDED_VERSION=\\\"$$EXTENDED_VERSION\\\"
+
+# keep comments, as /* fall through */
+QMAKE_CXXFLAGS += -C
+QMAKE_CXXFLAGS += -g
+QMAKE_CXXFLAGS += -Wno-deprecated-copy -O
+
+contains( CONFIG, PTU5 ) {
+    CONFIG += link_pkgconfig
+    QMAKE_CXXFLAGS += -O2 -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+
+    INCLUDEPATH += $$PTU5BASEPATH/qt/libs/devicecontroller/include
+    LIBS += -L$$PTU5BASEPATH/qt/libs/devicecontroller/library
+
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, PTU5_YOCTO ) {
+    QMAKE_CXXFLAGS += -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, DesktopLinux ) {
+    # QMAKE_CC = ccache $$QMAKE_CC
+    # QMAKE_CXX = ccache $$QMAKE_CXX
+    QMAKE_CXXFLAGS += -std=c++17
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    linux-clang {  QMAKE_CXXFLAGS += -Qunused-arguments   }
+    ARCH = DesktopLinux
+    DEFINES+=DesktopLinux
+}
+
+SOURCES += \
+        main.cpp \
+        message_handler.cpp \
+        ../common/src/utils_internal.cpp \
+        ../common/src/command.cpp \
+        git_command.cpp
+
+HEADERS += \
+        message_handler.h \
+        ../common/include/utils_internal.h \
+        ../common/include/command.h \
+        git_command.h
+
+##########################################################################################
+# for running program on target through QtCreator
+contains( CONFIG, PTU5 ) {
+   qnx: target.path = /tmp/$${TARGET}/bin
+   else: unix:!android: target.path = /opt/app/tools/atbupdate/
+   !isEmpty(target.path): INSTALLS += target
+}

Git/git_command.cpp

@@ -0,0 +1,96 @@
+#include "git_command.h"
+
+#include "command.h"
+#include "utils_internal.h"
+using namespace internal;
+
+#include <QProcess>
+#include <QByteArray>
+#include <QFileInfo>
+#include <QDebug>
+#include <QDir>
+
+bool GitCommand::initEnv = false;
+static bool initEnv() {
+    QString gitSSHCommand{""};
+    QByteArray const v = qgetenv("GIT_SSH_COMMAND");
+    if (v.isEmpty()) {
+        QString sshKeyFile("/opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig");
+        if (QFileInfo(sshKeyFile).exists()) {
+            if (qgetenv("GIT_SSH_COMMAND").isNull()) {
+                gitSSHCommand = "ssh -i /opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig";
+                if (!qputenv("GIT_SSH_COMMAND", QByteArray(gitSSHCommand.toStdString().c_str()))) {
+                    qCritical() << "ERROR: GIT_SSH_COMMAND not put into env. Exiting...";
+                    return false;
+                }
+            }
+        } else {
+            qCritical() << "ERROR ssh-key-file" << sshKeyFile << "does not exists. Exiting...";
+            return false;
+        }
+    } else {
+        gitSSHCommand = QString(v.toStdString().c_str());
+        qCritical() << "WARNING GIT_SSH_COMMAND already set in enviroment:"
+                    << gitSSHCommand;
+        if (gitSSHCommand != "ssh -i /opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig") {
+            qCritical() << "ERROR" << gitSSHCommand << "wrong. Exiting...";
+            return false;
+        }
+    }
+    // qCritical() << __func__ << ":" << __LINE__ << gitSSHCommand;
+    return true;
+}
+
+GitCommand::GitCommand()
+  : m_workingDirectory(customerRepoDir()) {
+    // qCritical() << __func__ << ":" << __LINE__ << m_workingDirectory;
+    if (!GitCommand::initEnv) {
+        GitCommand::initEnv = ::initEnv();
+    }
+}
+
+bool GitCommand::exec(QStringList const &options, int start_timeout, int finish_timeout) {
+    if (GitCommand::initEnv) {
+        Command cmd(QString("git"), options, m_workingDirectory,
+                    start_timeout, finish_timeout);
+        return cmd.exec();
+    }
+    return 0;
+}
+
+bool GitCommand::check(int start_timeout, int finish_timeout) {
+    QStringList const lst{"fsck"};
+    return exec(lst, start_timeout, finish_timeout);
+}
+
+bool GitCommand::checkout(int start_timeout, int finish_timeout) {
+    int const zoneNr = read1stLineOfFile("/mnt/system_data/zone_nr");
+    if (zoneNr != -1) {
+        QStringList const lst{"checkout", QString("zg1/zone%1").arg(zoneNr)};
+        // qCritical() << __func__ << __LINE__ << lst;
+        return exec(lst, start_timeout, finish_timeout);
+    }
+    return false;
+}
+
+bool GitCommand::clone(int start_timeout, int finish_timeout) {
+    m_workingDirectory = customerRepoRoot(); // /opt/app/tools/atbupdate !
+    QDir const repoDir{customerRepoDir()};
+    if (repoDir.exists() && repoDir.entryInfoList(QDir::NoDotAndDotDot|QDir::AllEntries).count() != 0) {
+        qCritical() << "clone error:" << repoDir << "exists and is not empty";
+        return false;
+    }
+    // git clone "gitea@ptu-config.atb-comm.de:ATB/customer_999"
+    QStringList const lst{"clone", repositoryUrl() + customerRepoDirName()};
+    return exec(lst, start_timeout, finish_timeout);
+}
+
+bool GitCommand::pull(int start_timeout, int finish_timeout) {
+    QStringList const lst{"pull"};
+    return exec(lst, start_timeout, finish_timeout);
+}
+
+bool GitCommand::status(int start_timeout, int finish_timeout) {
+    QStringList const lst{"status"};
+    return exec(lst, start_timeout, finish_timeout);
+}

Git/git_command.h

@@ -0,0 +1,25 @@
+#ifndef GIT_COMMAND_H_INCLUDED
+#define GIT_COMMAND_H_INCLUDED
+
+#include <QStringList>
+#include <QScopedPointer>
+
+class QProcess;
+class GitCommand {
+    static bool initEnv;
+    QString m_workingDirectory;
+
+    bool exec(QStringList const &options, int start_timeout = 100000,
+              int finish_timeout = 100000);
+public:
+    GitCommand();
+
+
+    bool status(int start_timeout = 100000, int finish_timeout = 100000);
+    bool check(int start_timeout = 100000, int finish_timeout = 100000);
+    bool checkout(int start_timeout = 100000, int finish_timeout = 100000);
+    bool clone(int start_timeout = 100000, int finish_timeout = 100000);
+    bool pull(int start_timeout = 100000, int finish_timeout = 100000);
+};
+
+#endif // GIT_COMMAND_H_INCLUDED

Git/main.cpp

@@ -0,0 +1,105 @@
+#include <QtGlobal>
+#include <QCoreApplication>
+#include <QByteArray>
+
+#include <QProcess>
+#include <QCommandLineParser>
+#include <QStandardPaths>
+#include <QSettings>
+#include <QDir>
+#include <QDebug>
+
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonValue>
+#include <QRegularExpression>
+#include <QFile>
+#include <QTextStream>
+
+#include <optional>
+
+#include "message_handler.h"
+#include "utils_internal.h"
+#include "git_command.h"
+
+int main(int argc, char **argv) {
+    QByteArray const value = qgetenv("LC_ALL");
+    if (value.isEmpty() || value != "C") {
+        qputenv("LC_ALL", "C");
+    }
+
+    openlog("ATB-UPDATE-GIT", LOG_PERROR | LOG_PID | LOG_CONS, LOG_USER);
+
+    QCoreApplication a(argc, argv);
+    QCoreApplication::setApplicationName("ATBUpdateGit");
+    QCoreApplication::setApplicationVersion(APP_VERSION);
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(nullptr);
+        //atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(LOG_NOTICE);
+    }
+
+    QCommandLineParser parser;
+    parser.setApplicationDescription("git-commands for the update-system");
+
+    QCommandLineOption const checkCustomerRepositoryOption{"check"};
+    QCommandLineOption const cloneCustomerRepositoryOption{"clone"};
+    QCommandLineOption const pullBranchOption{"pull"};
+    QCommandLineOption const checkoutBranchOption("checkout");
+
+    parser.addOption(checkCustomerRepositoryOption);
+    parser.addOption(cloneCustomerRepositoryOption);
+    parser.addOption(pullBranchOption);
+    parser.addOption(checkoutBranchOption);
+
+    QCommandLineOption verboseOption{parser.addVersionOption()};
+    parser.process(a);
+
+    if (parser.isSet(verboseOption)) {
+        parser.showVersion();
+        return 0;
+    }
+
+    GitCommand gitCmd;
+
+    if (parser.isSet(checkCustomerRepositoryOption)) {
+        if (!gitCmd.check()) {
+            return -1;
+        }
+    } else
+    if (parser.isSet(checkoutBranchOption)) {
+        if (!gitCmd.checkout()) {
+            return -2;
+        }
+    } else
+    if (parser.isSet(cloneCustomerRepositoryOption)) {
+        if (!gitCmd.clone()) {
+            return -3;
+        }
+    } else
+    if (parser.isSet(pullBranchOption)) {
+        if (!gitCmd.pull()) {
+            return -4;
+        }
+    } else {
+        if (internal::customerRepoExists()) {
+            if (!gitCmd.checkout()) {
+                return -2;
+            }
+            if (!gitCmd.pull()) {
+                return -4;
+            }
+        } else {
+            if (!gitCmd.clone()) {
+                return -3;
+            }
+        }
+    }
+
+    //int const machineNr = read1stLineOfFile("/mnt/system_data/machine_nr");
+    //int const customerNr = read1stLineOfFile("/mnt/system_data/cust_nr");
+    //int const zoneNr = read1stLineOfFile("/mnt/system_data/zone_nr");
+
+    return 0;
+}

Git/message_handler.cpp

@@ -0,0 +1,97 @@
+#include "message_handler.h"
+
+#include <QDateTime>
+#include <cstring>
+#include <QString>
+#include <QFileInfo>
+#include <QMessageLogContext>
+
+
+static char const *DBG_NAME[] = { "DBG  ", "WARN ", "CRIT ", "FATAL", "INFO " };
+static bool installedMsgHandler = false;
+static int debugLevel = LOG_NOTICE;
+
+int getDebugLevel() { return debugLevel; }
+void setDebugLevel(int newDebugLevel) {
+    debugLevel = newDebugLevel;
+}
+
+bool messageHandlerInstalled() {
+    return installedMsgHandler;
+}
+
+QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler) {
+    installedMsgHandler = (handler != 0);
+    static QtMessageHandler prevHandler = nullptr;
+    if (handler) {
+        prevHandler = qInstallMessageHandler(handler);
+        return prevHandler;
+    } else {
+        return qInstallMessageHandler(prevHandler);
+    }
+}
+
+///
+/// \brief Print message according to given debug level.
+///
+/// \note Install this function using qInstallMsgHandler().
+///
+///  int main(int argc, char **argv) {
+///     installMsgHandler(atbDebugOutput);
+///     QApplication app(argc, argv);
+///     ...
+///     return app.exec();
+///  }
+///
+#if (QT_VERSION > QT_VERSION_CHECK(5, 0, 0) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg) {
+    Q_UNUSED(context);
+    QString const localMsg = QString(DBG_NAME[type]) + msg.toLocal8Bit();
+
+    switch (debugLevel) {
+        case LOG_DEBUG: { // debug-level message
+            syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+        } break;
+        case LOG_INFO: { // informational message
+            if (type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_NOTICE: { // normal, but significant, condition
+            if (type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_WARNING: { // warning conditions
+            if (type != QtInfoMsg && type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_ERR: { // error conditions
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_CRIT: { // critical conditions
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_ALERT: { // action must be taken immediately
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_EMERG: { // system is unusable
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        default: {
+            //fprintf(stderr, "%s No ErrorLevel defined! %s\n",
+            //    datetime.toStdString().c_str(), msg.toStdString().c_str());
+        }
+    }
+}
+#endif
+

Git/message_handler.h

@@ -0,0 +1,23 @@
+#ifndef MESSAGE_HANDLER_H_INCLUDED
+#define MESSAGE_HANDLER_H_INCLUDED
+
+#include <QtGlobal>
+#ifdef __linux__
+#include <syslog.h>
+#endif
+
+int getDebugLevel();
+void setDebugLevel(int newDebugLevel);
+
+bool messageHandlerInstalled();
+QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler);
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const char *);
+void atbDebugOutput(QtMsgType type, const char *msg);
+#elif QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const QMessageLogContext &, const QString &);
+void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg);
+#endif
+
+#endif // MESSAGE_HANDLER_H_INCLUDED

Opkg/Opkg.pro

@@ -0,0 +1,85 @@
+QT += core
+
+TARGET = ATBUpdateOpkg
+
+VERSION="1.0.0"
+win32 {
+    BUILD_DATE=$$system("date /t")
+    BUILD_TIME=$$system("time /t")
+} else {
+    BUILD_DATE=$$system("date +%d-%m-%y")
+    BUILD_TIME=$$system("date +%H:%M:%S")
+}
+
+GIT_COMMIT=$$system("git log -1 --format=oneline | cut -d' ' -f1")
+
+EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
+
+
+INCLUDEPATH += \
+    plugins \
+    $${INCLUDEINTERFACES} \
+    $${_PRO_FILE_PWD_}/../UpdatePTUDevCtrl \
+    $${_PRO_FILE_PWD_}/../common/include
+
+CONFIG += c++17
+
+DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
+DEFINES+=APP_BUILD_DATE=\\\"$$BUILD_DATE\\\"
+DEFINES+=APP_BUILD_TIME=\\\"$$BUILD_TIME\\\"
+DEFINES+=APP_EXTENDED_VERSION=\\\"$$EXTENDED_VERSION\\\"
+
+# keep comments, as /* fall through */
+QMAKE_CXXFLAGS += -C
+QMAKE_CXXFLAGS += -g
+QMAKE_CXXFLAGS += -Wno-deprecated-copy -O
+
+contains( CONFIG, PTU5 ) {
+    CONFIG += link_pkgconfig
+    QMAKE_CXXFLAGS += -O2 -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+
+    INCLUDEPATH += $$PTU5BASEPATH/qt/libs/devicecontroller/include
+    LIBS += -L$$PTU5BASEPATH/qt/libs/devicecontroller/library
+
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, PTU5_YOCTO ) {
+    QMAKE_CXXFLAGS += -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, DesktopLinux ) {
+    # QMAKE_CC = ccache $$QMAKE_CC
+    # QMAKE_CXX = ccache $$QMAKE_CXX
+    QMAKE_CXXFLAGS += -std=c++17
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    linux-clang {  QMAKE_CXXFLAGS += -Qunused-arguments   }
+    ARCH = DesktopLinux
+    DEFINES+=DesktopLinux
+}
+
+SOURCES += \
+        main.cpp \
+        message_handler.cpp \
+        ../common/src/utils_internal.cpp \
+        ../common/src/command.cpp \
+        opkg_command.cpp
+
+HEADERS += \
+        message_handler.h \
+        ../common/include/utils_internal.h \
+        ../common/include/command.h \
+        opkg_command.h
+
+##########################################################################################
+# for running program on target through QtCreator
+contains( CONFIG, PTU5 ) {
+   qnx: target.path = /tmp/$${TARGET}/bin
+   else: unix:!android: target.path = /opt/app/tools/atbupdate/
+   !isEmpty(target.path): INSTALLS += target
+}

Opkg/main.cpp

@@ -0,0 +1,69 @@
+#include <QtGlobal>
+#include <QCoreApplication>
+#include <QByteArray>
+
+#include <QProcess>
+#include <QCommandLineParser>
+#include <QCommandLineOption>
+#include <QStandardPaths>
+#include <QSettings>
+#include <QDir>
+#include <QDebug>
+
+#include "message_handler.h"
+#include "utils_internal.h"
+#include "opkg_command.h"
+
+int main(int argc, char **argv) {
+
+    QByteArray const value = qgetenv("LC_ALL");
+    if (value.isEmpty() || value != "C") {
+        qputenv("LC_ALL", "C");
+    }
+
+    openlog("ATB-UPDATE-OPKG", LOG_PERROR | LOG_PID | LOG_CONS, LOG_USER);
+
+    QCoreApplication a(argc, argv);
+    QCoreApplication::setApplicationName("ATBUpdateOpkg");
+    QCoreApplication::setApplicationVersion(APP_VERSION);
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(nullptr);
+        //atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(LOG_NOTICE);
+    }
+
+#if 0
+    QString s = "<OPKG>\n\naaa<OPKG>bbb<OPKG>ccc<OPKG>\n";
+    QString m_standardOutput{};
+    if (!s.isEmpty()) {
+        m_standardOutput += s.replace(QChar('\n'), "");
+        qCritical() << m_standardOutput;
+
+        int startIndex, endIndex{};
+        while (((startIndex = m_standardOutput.indexOf("<OPKG>")) == 0) &&
+               ((endIndex = m_standardOutput.indexOf("<OPKG>", 1)) != -1)) {
+                QString str = m_standardOutput.mid(0, endIndex);
+                qCritical() << "str" << str << str.mid(6);
+                m_standardOutput = m_standardOutput.mid(endIndex);
+                // qCritical() << "m" << m_standardOutput;
+        }
+        qCritical() << "m" << m_standardOutput;
+    }
+
+    return 0;
+#endif
+
+    QCommandLineParser parser;
+    QCommandLineOption noactionOption("noaction");
+    QCommandLineOption verboseOption("verbose");
+    parser.addOption(noactionOption);
+    parser.addOption(verboseOption);
+    parser.process(a);
+
+    bool noaction = parser.isSet(noactionOption);
+    OpkgCommand opkgCmd(noaction);
+
+
+    return 0;
+}

Opkg/message_handler.cpp

@@ -0,0 +1,97 @@
+#include "message_handler.h"
+
+#include <QDateTime>
+#include <cstring>
+#include <QString>
+#include <QFileInfo>
+#include <QMessageLogContext>
+
+
+static char const *DBG_NAME[] = { "DBG  ", "WARN ", "CRIT ", "FATAL", "INFO " };
+static bool installedMsgHandler = false;
+static int debugLevel = LOG_NOTICE;
+
+int getDebugLevel() { return debugLevel; }
+void setDebugLevel(int newDebugLevel) {
+    debugLevel = newDebugLevel;
+}
+
+bool messageHandlerInstalled() {
+    return installedMsgHandler;
+}
+
+QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler) {
+    installedMsgHandler = (handler != 0);
+    static QtMessageHandler prevHandler = nullptr;
+    if (handler) {
+        prevHandler = qInstallMessageHandler(handler);
+        return prevHandler;
+    } else {
+        return qInstallMessageHandler(prevHandler);
+    }
+}
+
+///
+/// \brief Print message according to given debug level.
+///
+/// \note Install this function using qInstallMsgHandler().
+///
+///  int main(int argc, char **argv) {
+///     installMsgHandler(atbDebugOutput);
+///     QApplication app(argc, argv);
+///     ...
+///     return app.exec();
+///  }
+///
+#if (QT_VERSION > QT_VERSION_CHECK(5, 0, 0) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg) {
+    Q_UNUSED(context);
+    QString const localMsg = QString(DBG_NAME[type]) + msg.toLocal8Bit();
+
+    switch (debugLevel) {
+        case LOG_DEBUG: { // debug-level message
+            syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+        } break;
+        case LOG_INFO: { // informational message
+            if (type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_NOTICE: { // normal, but significant, condition
+            if (type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_WARNING: { // warning conditions
+            if (type != QtInfoMsg && type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_ERR: { // error conditions
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_CRIT: { // critical conditions
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_ALERT: { // action must be taken immediately
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_EMERG: { // system is unusable
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        default: {
+            //fprintf(stderr, "%s No ErrorLevel defined! %s\n",
+            //    datetime.toStdString().c_str(), msg.toStdString().c_str());
+        }
+    }
+}
+#endif
+

Opkg/message_handler.h

@@ -0,0 +1,23 @@
+#ifndef MESSAGE_HANDLER_H_INCLUDED
+#define MESSAGE_HANDLER_H_INCLUDED
+
+#include <QtGlobal>
+#ifdef __linux__
+#include <syslog.h>
+#endif
+
+int getDebugLevel();
+void setDebugLevel(int newDebugLevel);
+
+bool messageHandlerInstalled();
+QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler);
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const char *);
+void atbDebugOutput(QtMsgType type, const char *msg);
+#elif QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const QMessageLogContext &, const QString &);
+void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg);
+#endif
+
+#endif // MESSAGE_HANDLER_H_INCLUDED

Opkg/opkg_command.cpp

@@ -0,0 +1,176 @@
+#include "opkg_command.h"
+
+#include "command.h"
+#include "utils_internal.h"
+using namespace internal;
+
+#include <QDir>
+#include <QDebug>
+#include <QFlags>
+#include <QRegularExpression>
+
+OpkgCommand::OpkgCommand(bool noaction, QString const &opkg_commands_filename)
+  : m_noaction(noaction)
+  , m_opkg_commands_filename(opkg_commands_filename) {
+    cleanUpOpkgCache();
+    execCommandsInternal();
+}
+
+bool OpkgCommand::readCommands() {
+    QFile opkgFile(QDir::cleanPath(m_opkg_commands_dir + QDir::separator() + m_opkg_commands_filename));
+    if (!opkgFile.exists()) {
+        qCritical() << __func__ << ":" << __LINE__
+                    << opkgFile.fileName() << "does not exists";
+        return false;
+    }
+
+    m_commands.clear();
+
+    if (opkgFile.open(QIODevice::ReadOnly)) {
+        QTextStream in(&opkgFile);
+        while (!in.atEnd()) {
+            QString line = in.readLine();
+            // TODO: "^\\s*[#]{0,}$" : empty line or comment line starting with #
+            static const QRegularExpression comment("^\\s*[#].*$");
+            static const QRegularExpression emptyLine("^\\s*$");
+            if (line.indexOf(emptyLine, 0) == -1 &&
+                line.indexOf(comment, 0) == -1) {
+                QString const &commandLine = line.trimmed();
+                if (!commandLine.isEmpty()) {
+                    m_commands << commandLine;
+                }
+            }
+        }
+    } else {
+        qCritical() << __func__ << ":" << __LINE__
+                    << "error opening" << opkgFile.fileName();
+    }
+
+    return m_commands.size() > 0;
+}
+
+bool OpkgCommand::execCommandsInternal() {
+    if (readCommands()) {
+        // command lines are located between markers: <OPKG>...<OPKG>
+        // they are later removed when used by the update-tool.
+        qCritical().noquote() << "<OPKG>";
+        QListIterator<QString> it(m_commands);
+        while (it.hasNext()) {
+            QString command = it.next();
+            QStringList cmdAndOptions = command.split(u' ', QString::SkipEmptyParts);
+            if (cmdAndOptions.size() > 0) {
+                QString const &cmd = cmdAndOptions.takeFirst();
+                if (m_noaction) {
+                    if (cmd.contains("opkg")) {
+                        cmdAndOptions.prepend("--noaction");
+                    } else continue; // only opkg has the --noaction option
+                }
+                QStringList const &options = cmdAndOptions;
+                if (exec(cmd, options)) {
+                    qCritical().noquote() << cmd << options.join(" ") << "ok" << "<OPKG>";
+                } else {
+                    qCritical().noquote() << cmd << options.join(" ") << "FAIL" << "<OPKG>";
+                }
+            }
+        }
+        return true;
+    }
+    return false;
+
+}
+
+bool OpkgCommand::execCommands() {
+    if (readCommands()) {
+        QListIterator<QString> it(m_commands);
+        while (it.hasNext()) {
+            QString command = it.next();
+            QStringList cmdAndOptions = command.split(u' ', QString::SkipEmptyParts);
+            if (cmdAndOptions.size() > 0) {
+                QString const &cmd = cmdAndOptions.takeFirst();
+                if (m_noaction) {
+                    cmdAndOptions.prepend("--noaction");
+                }
+                QStringList const &options = cmdAndOptions;
+                if (exec(cmd, options)) {
+                    qCritical().noquote() << cmd << options.join(" ");
+                } else {
+                    qCritical().noquote() << cmd << options.join(" ") << "FAIL";
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+    return false;
+
+#if 0
+
+    QFile opkgFile(QDir::cleanPath(m_opkg_commands_dir + QDir::separator() + m_opkg_commands_filename));
+    if (!opkgFile.exists()) {
+        qCritical() << __func__ << ":" << __LINE__
+                    << opkgFile.fileName() << "does not exists";
+        return false;
+    }
+
+    if (opkgFile.open(QIODevice::ReadOnly)) {
+        QTextStream in(&opkgFile);
+        while (!in.atEnd()) {
+            QString line = in.readLine();
+            // TODO: "^\\s*[#]{0,}$" : empty line or comment line starting with #
+            static const QRegularExpression comment("^\\s*[#].*$");
+            static const QRegularExpression emptyLine("^\\s*$");
+            if (line.indexOf(emptyLine, 0) == -1 &&
+                line.indexOf(comment, 0) == -1) {
+                QString const &commandLine = line.trimmed();
+                if (!commandLine.isEmpty()) {
+                    QStringList cmdAndOptions = commandLine.split(u' ', QString::SkipEmptyParts);
+                    if (cmdAndOptions.size() > 0) {
+                        QString const &cmd = cmdAndOptions.takeFirst();
+                        if (m_noaction) {
+                            cmdAndOptions.prepend("--noaction");
+                        }
+                        QStringList const &options = cmdAndOptions;
+                        if (exec(cmd, options)) {
+                            qCritical().noquote() << cmd << options.join(" ") << "ok";
+                        } else {
+                            qCritical().noquote() << cmd << options.join(" ") << "FAIL";
+                        }
+                    } else {
+                        continue;
+                    }
+                }
+            }
+        }
+        return true;
+    } else {
+        qCritical() << __func__ << ":" << __LINE__
+                    << "error opening" << opkgFile.fileName();
+    }
+
+    return false;
+#endif
+}
+
+bool OpkgCommand::exec(QString const &cmd, QStringList const &options,
+                       int start_timeout, int finish_timeout) {
+    bool const verbose = false;
+    return Command(cmd, options, "/tmp", verbose, start_timeout, finish_timeout).exec();
+}
+
+bool OpkgCommand::cleanUpOpkgCache() {
+    bool removedFiles = true;
+    QDir dir("/var/cache/opkg/");
+    if (dir.exists()) {
+        dir.setNameFilters(QStringList() << ".gz" << ".ipk");
+        dir.setFilter(QDir::Files);
+        foreach(QString dirFile, dir.entryList()) {
+            removedFiles &= dir.remove(dirFile);
+        }
+    }
+
+    if (removedFiles == false) {
+        qCritical() << "some errors while cleaning up opkg-cache";
+    }
+
+    return removedFiles;
+}

Opkg/opkg_command.h

@@ -0,0 +1,29 @@
+#ifndef OPKG_COMMND_H_INCLUDED
+#define OPKG_COMMND_H_INCLUDED
+
+#include <QStringList>
+
+class OpkgCommand {
+    QString const m_opkg_commands_dir{"/etc/psa_update/"};
+    bool m_noaction;
+    QString m_opkg_commands_filename;
+    QStringList m_commands;
+
+    bool execCommands();
+    bool execCommandsInternal();
+    bool cleanUpOpkgCache();
+
+public:
+    OpkgCommand(bool noaction = false,
+                QString const &opkg_commands_file_name="opkg_commands");
+
+    bool exec(QString const &cmd, QStringList const &options,
+              int start_timeout = 100000, int finish_timeout = 100000);
+
+    QStringList commands() { return m_commands; }
+    QStringList const &commands() const { return m_commands; }
+
+    bool readCommands();
+};
+
+#endif // OPKG_COMMND_H_INCLUDED

Show/Show.pro

@@ -0,0 +1,68 @@
+QT += core
+
+TARGET = show_update
+
+VERSION="1.0.0"
+win32 {
+    BUILD_DATE=$$system("date /t")
+    BUILD_TIME=$$system("time /t")
+} else {
+    BUILD_DATE=$$system("date +%d-%m-%y")
+    BUILD_TIME=$$system("date +%H:%M:%S")
+}
+
+GIT_COMMIT=$$system("git log -1 --format=oneline | cut -d' ' -f1")
+
+EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
+
+
+INCLUDEPATH += \
+    plugins \
+    $${INCLUDEINTERFACES} \
+    $${_PRO_FILE_PWD_}/../common/include
+
+CONFIG += c++17
+
+DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
+DEFINES+=APP_BUILD_DATE=\\\"$$BUILD_DATE\\\"
+DEFINES+=APP_BUILD_TIME=\\\"$$BUILD_TIME\\\"
+DEFINES+=APP_EXTENDED_VERSION=\\\"$$EXTENDED_VERSION\\\"
+
+# keep comments, as /* fall through */
+QMAKE_CXXFLAGS += -C
+QMAKE_CXXFLAGS += -g
+QMAKE_CXXFLAGS += -Wno-deprecated-copy -O
+
+contains( CONFIG, PTU5 ) {
+    CONFIG += link_pkgconfig
+    QMAKE_CXXFLAGS += -O2 -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+
+    INCLUDEPATH += $$PTU5BASEPATH/qt/libs/devicecontroller/include
+    LIBS += -L$$PTU5BASEPATH/qt/libs/devicecontroller/library
+
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, PTU5_YOCTO ) {
+    QMAKE_CXXFLAGS += -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, DesktopLinux ) {
+    # QMAKE_CC = ccache $$QMAKE_CC
+    # QMAKE_CXX = ccache $$QMAKE_CXX
+    QMAKE_CXXFLAGS += -std=c++17
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    linux-clang {  QMAKE_CXXFLAGS += -Qunused-arguments   }
+    ARCH = DesktopLinux
+    DEFINES+=DesktopLinux
+}
+
+SOURCES += \
+        main.cpp
+
+# HEADERS += \

Show/main.cpp

@@ -0,0 +1,14 @@
+#include <QtGlobal>
+#include <QCoreApplication>
+#include <QByteArray>
+
+#include <QProcess>
+#include <QCommandLineParser>
+#include <QStandardPaths>
+#include <QSettings>
+#include <QDir>
+#include <QDebug>
+
+int main(int argc, char **argv) {
+    return 0;
+}

Sync/Sync.pro

@@ -0,0 +1,87 @@
+QT += core
+
+TARGET = ATBUpdateSync
+
+VERSION="1.0.0"
+win32 {
+    BUILD_DATE=$$system("date /t")
+    BUILD_TIME=$$system("time /t")
+} else {
+    BUILD_DATE=$$system("date +%d-%m-%y")
+    BUILD_TIME=$$system("date +%H:%M:%S")
+}
+
+GIT_COMMIT=$$system("git log -1 --format=oneline | cut -d' ' -f1")
+
+EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
+
+
+INCLUDEPATH += \
+    plugins \
+    $${INCLUDEINTERFACES} \
+    $${_PRO_FILE_PWD_}/../UpdatePTUDevCtrl \
+    $${_PRO_FILE_PWD_}/../common/include
+
+CONFIG += c++17
+
+DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
+DEFINES+=APP_BUILD_DATE=\\\"$$BUILD_DATE\\\"
+DEFINES+=APP_BUILD_TIME=\\\"$$BUILD_TIME\\\"
+DEFINES+=APP_EXTENDED_VERSION=\\\"$$EXTENDED_VERSION\\\"
+
+# keep comments, as /* fall through */
+QMAKE_CXXFLAGS += -C
+QMAKE_CXXFLAGS += -g
+QMAKE_CXXFLAGS += -Wno-deprecated-copy -O
+
+contains( CONFIG, PTU5 ) {
+    CONFIG += link_pkgconfig
+    QMAKE_CXXFLAGS += -O2 -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+
+    INCLUDEPATH += $$PTU5BASEPATH/qt/libs/devicecontroller/include
+    LIBS += -L$$PTU5BASEPATH/qt/libs/devicecontroller/library
+
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, PTU5_YOCTO ) {
+    QMAKE_CXXFLAGS += -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, DesktopLinux ) {
+    # QMAKE_CC = ccache $$QMAKE_CC
+    # QMAKE_CXX = ccache $$QMAKE_CXX
+    QMAKE_CXXFLAGS += -std=c++17
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    linux-clang {  QMAKE_CXXFLAGS += -Qunused-arguments   }
+    ARCH = DesktopLinux
+    DEFINES+=DesktopLinux
+}
+
+SOURCES += \
+        main.cpp \
+        message_handler.cpp \
+        ../common/src/utils_internal.cpp \
+        ../common/src/command.cpp \
+        sync_command.cpp
+
+
+
+HEADERS += \
+        message_handler.h \
+        ../common/include/utils_internal.h \
+        ../common/include/command.h \
+        sync_command.h
+
+##########################################################################################
+# for running program on target through QtCreator
+contains( CONFIG, PTU5 ) {
+   qnx: target.path = /tmp/$${TARGET}/bin
+   else: unix:!android: target.path = /opt/app/tools/atbupdate/
+   !isEmpty(target.path): INSTALLS += target
+}

Sync/main.cpp

@@ -0,0 +1,36 @@
+#include <QtGlobal>
+#include <QCoreApplication>
+#include <QByteArray>
+
+#include <QProcess>
+#include <QCommandLineParser>
+#include <QStandardPaths>
+#include <QSettings>
+#include <QDir>
+#include <QDebug>
+
+#include "message_handler.h"
+#include "utils_internal.h"
+#include "sync_command.h"
+
+int main(int argc, char **argv) {
+
+    QByteArray const value = qgetenv("LC_ALL");
+    if (value.isEmpty() || value != "C") {
+        qputenv("LC_ALL", "C");
+    }
+
+    openlog("ATB-UPDATE-SYNC", LOG_PERROR | LOG_PID | LOG_CONS, LOG_USER);
+
+    QCoreApplication a(argc, argv);
+    QCoreApplication::setApplicationName("ATBUpdateSync");
+    QCoreApplication::setApplicationVersion(APP_VERSION);
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(nullptr);
+        //atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(LOG_NOTICE);
+    }
+
+    return 0;
+}

Sync/message_handler.cpp

@@ -0,0 +1,97 @@
+#include "message_handler.h"
+
+#include <QDateTime>
+#include <cstring>
+#include <QString>
+#include <QFileInfo>
+#include <QMessageLogContext>
+
+
+static char const *DBG_NAME[] = { "DBG  ", "WARN ", "CRIT ", "FATAL", "INFO " };
+static bool installedMsgHandler = false;
+static int debugLevel = LOG_NOTICE;
+
+int getDebugLevel() { return debugLevel; }
+void setDebugLevel(int newDebugLevel) {
+    debugLevel = newDebugLevel;
+}
+
+bool messageHandlerInstalled() {
+    return installedMsgHandler;
+}
+
+QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler) {
+    installedMsgHandler = (handler != 0);
+    static QtMessageHandler prevHandler = nullptr;
+    if (handler) {
+        prevHandler = qInstallMessageHandler(handler);
+        return prevHandler;
+    } else {
+        return qInstallMessageHandler(prevHandler);
+    }
+}
+
+///
+/// \brief Print message according to given debug level.
+///
+/// \note Install this function using qInstallMsgHandler().
+///
+///  int main(int argc, char **argv) {
+///     installMsgHandler(atbDebugOutput);
+///     QApplication app(argc, argv);
+///     ...
+///     return app.exec();
+///  }
+///
+#if (QT_VERSION > QT_VERSION_CHECK(5, 0, 0) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg) {
+    Q_UNUSED(context);
+    QString const localMsg = QString(DBG_NAME[type]) + msg.toLocal8Bit();
+
+    switch (debugLevel) {
+        case LOG_DEBUG: { // debug-level message
+            syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+        } break;
+        case LOG_INFO: { // informational message
+            if (type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_NOTICE: { // normal, but significant, condition
+            if (type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_WARNING: { // warning conditions
+            if (type != QtInfoMsg && type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_ERR: { // error conditions
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_CRIT: { // critical conditions
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_ALERT: { // action must be taken immediately
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_EMERG: { // system is unusable
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        default: {
+            //fprintf(stderr, "%s No ErrorLevel defined! %s\n",
+            //    datetime.toStdString().c_str(), msg.toStdString().c_str());
+        }
+    }
+}
+#endif
+

Sync/message_handler.h

@@ -0,0 +1,23 @@
+#ifndef MESSAGE_HANDLER_H_INCLUDED
+#define MESSAGE_HANDLER_H_INCLUDED
+
+#include <QtGlobal>
+#ifdef __linux__
+#include <syslog.h>
+#endif
+
+int getDebugLevel();
+void setDebugLevel(int newDebugLevel);
+
+bool messageHandlerInstalled();
+QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler);
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const char *);
+void atbDebugOutput(QtMsgType type, const char *msg);
+#elif QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const QMessageLogContext &, const QString &);
+void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg);
+#endif
+
+#endif // MESSAGE_HANDLER_H_INCLUDED

Sync/sync_command.cpp

@@ -0,0 +1,18 @@
+#include "sync_command.h"
+
+#include "command.h"
+#include "utils_internal.h"
+using namespace internal;
+
+#include <QDir>
+#include <QDebug>
+#include <QFlags>
+#include <QRegularExpression>
+
+SyncCommand::SyncCommand() {
+}
+
+bool SyncCommand::exec(QString const &cmd, QStringList const &options,
+                       int start_timeout, int finish_timeout) {
+    return false;
+}

Sync/sync_command.h

@@ -0,0 +1,14 @@
+#ifndef SYNC_COMMAND_H_INCLUDED
+#define SYNC_COMMAND_H_INCLUDED
+
+#include <QStringList>
+
+class SyncCommand {
+public:
+    SyncCommand();
+
+    bool exec(QString const &cmd, QStringList const &options,
+              int start_timeout = 100000, int finish_timeout = 100000);
+};
+
+#endif // SYNC_COMMAND_H_INCLUDED

UpdatePTUDevCtrl/UpdatePTUDevCtrl.pro

@@ -109,7 +109,45 @@ DEFINES += QT_DEPRECATED_WARNINGS
 #           the same after an rsync. They might be noy after a change of the
 #           customer-number.
 # 1.4.3   : Use global directory for device-controller interfaces.h-file.
-VERSION="1.4.3"
+# 1.4.4   : Add additional debug messages when downloading json-files.
+#           Move rsyncing of the customer-repository after the actual fetching
+#           of the repository. Otherwise, the update of, for instance
+#           tariff-files, would always be a step behind.
+# 1.4.5   : In case a new branch has been created in a remote
+#           customer-repository (e.g. origin/zg1/zone101), then fetch/pull
+#           this branch before switching to this now locally existen branch.
+#         : Improve output of GUI/Console and messages sent to ISMAS.
+#         : Fix: do not send the json-files to dc in any case. Bug introduced
+#           when pulling new branch, but branch already existed locally.
+# 1.4.6   : No exit()-call if loading CA-plugin fails.
+#           Check m_hw (pointer to CA-(Slave)Plugin) before its use.
+#           Only exit() if firmware is configured to be possibly updated, but
+#           loading the CA-plugin failed.
+# 1.4.7   : Read Json-file versions of Json-files actually loaded into DC.
+# 1.4.8   : Improve reading Json-file versions of Json-files actually loaded
+#           in DC. If available, show version info instead of blob-info of
+#           Json file.
+# 1.4.9   : Improve ISMAS output: add messages for JSON downloads.
+#           Do not send CHECK_ISMAS_TRIGGER_SUCCESS to ISMAS for an automatic
+#           update.
+#           In case there is an automatic update (00:00-04:00) use M0100 instead
+#           of U0002.
+# 1.4.10  : Fix: for the time being, never set the autoRequest-flag to false.
+# 1.4.11  : Fix: remove hard-coded path to git-repos of gitea in mimbach. Read
+#           from ATBUpdateTool.ini the url for the gitrepositories.
+# 1.5.0   : Use ptu-config.atb-comm.de (given in ini-file) as new server for
+#           customer repositories.
+#           Fix: allow empty lines in opkg_commands.
+# 1.5.1   : Fix: do not use cleanPath() on a url-address.
+# 1.5.2   : Remove .ipk and .gz files in /var/cache/opkg.
+# 1.5.3   : Build customer_(id) name without right justification.
+# 1.5.4   : Try to run opkg-commands even under some error conditions (failure
+#           of customerEnvironment(), filesToUpdate() or
+#           syncCustomerRepositoryAndFS().
+# 1.5.5   : Call into binary ptuPackageVersion to get installed package
+#           versions.
+# 1.5.6   : Show additional update progress info in status bar.
+VERSION="1.5.6"
 # PLANNED TODOS:
 #   1:  Das Repository wird repariert bwz. neu geklont. Unabhaengig vom WAIT.
 #   2:  Wenn der WAIT-Button aktiv ist, dann wird ein Repository repariert (neu
@@ -178,7 +216,10 @@ GIT_COMMIT=$$system("git log -1 --format=oneline | cut -d' ' -f1")
 
 EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
 
-INCLUDEPATH += plugins
+# INCLUDEPATH += plugins
+INCLUDEPATH += plugins \
+    $${_PRO_FILE_PWD_}/../common/ \
+    $${_PRO_FILE_PWD_}/../common/include
 
 CONFIG += c++17
 # CONFIG -= app_bundle
@@ -241,9 +282,24 @@ SOURCES += \
         git/git_client.cpp \
         ismas/ismas_client.cpp \
         process/command.cpp \
+        process/update_command.cpp \
+        process/update_json_command.cpp \
+        process/update_filesystem_command.cpp \
+        process/update_dc_command.cpp \
+        process/check_ismas_connectivity_command.cpp \
+        process/check_update_activation_command.cpp \
+        process/check_and_fetch_customer_repository_command.cpp \
+        process/exec_opkg_command.cpp \
+        process/show_software_status_command.cpp \
         message_handler.cpp \
         worker.cpp \
-        commandline_parser.cpp
+        commandline_parser.cpp \
+        work_process_list.cpp \
+        $${_PRO_FILE_PWD_}/../common/src/utils_internal.cpp \
+        $${_PRO_FILE_PWD_}/../common/ismas/ApismClient.cpp \
+        $${_PRO_FILE_PWD_}/../common/ismas/ApismTcpClient.cpp \
+        $${_PRO_FILE_PWD_}/../common/ismas/ApismClientForUpdate.cpp
+
 
 HEADERS += \
         update.h \
@@ -255,9 +311,25 @@ HEADERS += \
         apism/ismas_data.h \
         ismas/ismas_client.h \
         process/command.h \
+        process/update_command.h \
+        process/update_json_command.h \
+        process/update_filesystem_command.h \
+        process/update_dc_command.h \
+        process/check_ismas_connectivity_command.h \
+        process/check_update_activation_command.h \
+        process/check_and_fetch_customer_repository_command.h \
+        process/exec_opkg_command.h \
+        process/show_software_status_command.h \
         message_handler.h \
         worker.h \
-        commandline_parser.h
+        commandline_parser.h \
+        work_process_list.h \
+        $${_PRO_FILE_PWD_}/../common/include/utils_internal.h \
+        $${_PRO_FILE_PWD_}/../common/ismas/ApismClient.h \
+        $${_PRO_FILE_PWD_}/../common/ismas/ApismTcpClient.h \
+        $${_PRO_FILE_PWD_}/../common/ismas/ISMASData.h \
+        $${_PRO_FILE_PWD_}/../common/ismas/ApismClientForUpdate.h
+
 
 OTHER_FILES += \
     ATBUpdateTool.ini

UpdatePTUDevCtrl/commandline_parser.cpp

@@ -60,6 +60,16 @@ CommandLineParser::CommandLineParser()
             QStringList() << "working-directory" << "working-directory",
             QCoreApplication::translate("main", "working directory of update-script."),
             QCoreApplication::translate("main", "directory")))
+  , m_psaConfigDirectoryOption(
+        QCommandLineOption(
+            QStringList() << "psa-config-directory" << "psa-config-directory",
+            QCoreApplication::translate("main", "config directory of json-files sent to dc."),
+            QCoreApplication::translate("main", "directory")))
+  , m_psaTariffDirectoryOption(
+        QCommandLineOption(
+            QStringList() << "psa-tariff-directory" << "psa-tariff-directory",
+            QCoreApplication::translate("main", "tariff directory of tariff-json-files."),
+            QCoreApplication::translate("main", "directory")))
   , m_dryRunOption(
         QCommandLineOption(
             QStringList() << "d" << "dry-run",
@@ -75,7 +85,23 @@ CommandLineParser::CommandLineParser()
   , m_yoctoInstallStatusOption(
         QCommandLineOption(
             QStringList() << "Y" << "yocto-install",
-            QCoreApplication::translate("main", "Show yocto install status of ATBUpdateTool."))) {
+            QCoreApplication::translate("main", "Show yocto install status of ATBUpdateTool.")))
+  , m_dcDirectoryOption(
+        QCommandLineOption(
+            QStringList() << "dc-directory" << "dc-directory",
+            QCoreApplication::translate("main", "device controller directory."),
+            QCoreApplication::translate("main", "directory")))
+  , m_readDCVersionOption(
+        QCommandLineOption(
+            QStringList() << "D" << "read-dc-version",
+            QCoreApplication::translate("main", "Show version of device controller."),
+            QCoreApplication::translate("main", "Show version of device controller.")))
+  , m_setPPid(
+        QCommandLineOption(
+            QStringList() << "P" << "set-ppid",
+            QCoreApplication::translate("main", "Set pid of parent process."),
+            QCoreApplication::translate("main", "Set pid of parent process."))) {
+
     configure();
 }
 
@@ -111,6 +137,12 @@ void CommandLineParser::configure() {
     m_workingDirectoryOption.setDefaultValue("/opt/app/tools/atbupdate/");
     m_parser.addOption(m_workingDirectoryOption);
 
+    m_psaConfigDirectoryOption.setDefaultValue("etc/psa_config/");
+    m_parser.addOption(m_psaConfigDirectoryOption);
+
+    m_psaTariffDirectoryOption.setDefaultValue("etc/psa_tariff/");
+    m_parser.addOption(m_psaTariffDirectoryOption);
+
     m_dryRunOption.setDefaultValue("false");
     m_parser.addOption(m_dryRunOption);
 
@@ -122,6 +154,15 @@ void CommandLineParser::configure() {
 
     m_yoctoInstallStatusOption.setDefaultValue("false");
     m_parser.addOption(m_yoctoInstallStatusOption);
+
+    m_dcDirectoryOption.setDefaultValue("etc/dc/");
+    m_parser.addOption(m_dcDirectoryOption);
+
+    m_readDCVersionOption.setDefaultValue("false");
+    m_parser.addOption(m_readDCVersionOption);
+
+    m_setPPid.setDefaultValue("-1");
+    m_parser.addOption(m_setPPid);
 }
 
 void CommandLineParser::readSettings() {
@@ -129,8 +170,8 @@ void CommandLineParser::readSettings() {
     QString const iniFileName = m_parser.value(m_iniFileNameOption);
     m_iniFileName = QDir::cleanPath(iniFileDir + QDir::separator() + iniFileName);
 
-    qCritical() << __PRETTY_FUNCTION__ << " iniFileDir" << iniFileDir;
-    qCritical() << __PRETTY_FUNCTION__ << "iniFileName" << m_iniFileName;
+    //qCritical() << __PRETTY_FUNCTION__ << " iniFileDir" << iniFileDir;
+    //qCritical() << __PRETTY_FUNCTION__ << "iniFileName" << m_iniFileName;
 
     if (!m_iniFileName.isEmpty()) {
         if (QFile(m_iniFileName).exists()) {
@@ -139,8 +180,8 @@ void CommandLineParser::readSettings() {
             for (QString const &key: keys) {
                 QVariant v = settings.value(key);
 
-                qCritical() << __PRETTY_FUNCTION__
-                            << key << " -> " << v.toString();
+                //qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                //            << key << " -> " << v.toString();
 
                 if (key.contains("repository-url")) {
                     m_repositoryUrl = v.toString();
@@ -151,6 +192,12 @@ void CommandLineParser::readSettings() {
                 if (key.contains("working-directory")) {
                     m_workingDir = v.toString();
                 } else
+                if (key.contains("psa-config-directory")) {
+                    m_psaConfigDir = v.toString();
+                } else
+                if (key.contains("psa-tariff-directory")) {
+                    m_psaTariffDir = v.toString();
+                } else
                 if (key.contains("dry-run")) {
                     m_dryRun = (v.toBool() ? "true" : "false");
                 } else
@@ -174,6 +221,12 @@ void CommandLineParser::readSettings() {
                 } else
                 if (key.contains("plugin-name")) {
                     m_plugInName = v.toString();
+                } else
+                if (key.contains("dc-directory")) {
+                    m_dcDir = v.toString();
+                } else
+                if (key.contains("read-dc-version")) {
+                    m_readDCVersion = (v.toBool() ? "true" : "false");
                 } else {
                     qCritical() << __PRETTY_FUNCTION__
                                 << key << " -> (UNKNOWN) " << v.toString();
@@ -207,6 +260,34 @@ QString CommandLineParser::plugInName() {
     return m_plugInName;
 }
 
+QString CommandLineParser::psaConfigDir() {
+    if (m_parser.isSet(m_psaConfigDirectoryOption)) {
+        m_psaConfigDir = m_parser.value(m_psaConfigDirectoryOption);
+    }
+    return m_psaConfigDir;
+}
+
+QString CommandLineParser::psaTariffDir() {
+    if (m_parser.isSet(m_psaTariffDirectoryOption)) {
+        m_psaTariffDir = m_parser.value(m_psaTariffDirectoryOption);
+    }
+    return m_psaTariffDir;
+}
+
+QString CommandLineParser::dcDir() {
+    if (m_parser.isSet(m_dcDirectoryOption)) {
+        m_dcDir = m_parser.value(m_dcDirectoryOption);
+    }
+    return m_dcDir;
+}
+
+bool CommandLineParser::readDCVersion() {
+    if (m_parser.isSet(m_readDCVersionOption)) {
+        m_readDCVersion = m_parser.value(m_readDCVersionOption);
+    }
+    return m_readDCVersion == "false" ? false : true;
+}
+
 QString CommandLineParser::workingDir() {
     if (m_parser.isSet(m_workingDirectoryOption)) {
         m_workingDir = m_parser.value(m_workingDirectoryOption);
@@ -214,6 +295,19 @@ QString CommandLineParser::workingDir() {
     return m_workingDir;
 }
 
+qint64 CommandLineParser::ppid() {
+    m_ppid = -1;
+    if (m_parser.isSet(m_setPPid)) {
+        QString p = m_parser.value(m_setPPid);
+        bool ok;
+        qint64 q = p.toLongLong(&ok);
+        if (ok) {
+            m_ppid = q;
+        }
+    }
+    return m_ppid;
+}
+
 bool CommandLineParser::dryRun() {
     if (m_parser.isSet(m_dryRunOption)) {
         m_dryRun = m_parser.value(m_dryRunOption);
@@ -252,9 +346,9 @@ bool CommandLineParser::extendedVersion() {
 bool CommandLineParser::alwaysDownloadConfig() {
     if (m_parser.isSet(m_alwaysDownloadConfigOption)) {
         m_alwaysDownloadConfig = m_parser.value(m_alwaysDownloadConfigOption);
-        qCritical() << "m_alwaysDownloadConfigOption IS SET" << m_alwaysDownloadConfig;
+        // qCritical() << "m_alwaysDownloadConfigOption IS SET" << m_alwaysDownloadConfig;
     }
-    qCritical() << "m_alwaysDownloadConfig" << m_alwaysDownloadConfig;
+    // qCritical() << "m_alwaysDownloadConfig" << m_alwaysDownloadConfig;
     return m_alwaysDownloadConfig == "false" ? false : true;
 }
 

UpdatePTUDevCtrl/commandline_parser.h

@@ -1,4 +1,4 @@
-#ifndef COMMAND_LINE_PARSER_H_INCLUDED
+#ifndef COMMAND_LINE_PARSER_H_INCLUDED
 #define COMMAND_LINE_PARSER_H_INCLUDED
 
 #include <QCoreApplication>
@@ -11,6 +11,8 @@ class CommandLineParser : public QCommandLineParser {
     QString m_plugInDir;
     QString m_plugInName;
     QString m_workingDir;
+    QString m_psaConfigDir{"etc/psa_config"};
+    QString m_psaTariffDir{"etc/psa_tariff"};
     QString m_dryRun;
     QString m_noUpdatePsaHardware;
     QString m_showYoctoVersion;
@@ -19,6 +21,9 @@ class CommandLineParser : public QCommandLineParser {
     QString m_iniFileName;
     QString m_alwaysDownloadConfig;
     QString m_alwaysDownloadDC;
+    QString m_readDCVersion{"false"};
+    QString m_dcDir{"etc/dc/"};
+    qint64 m_ppid;
 
     QCommandLineOption m_repositoryUrlOption;
     QCommandLineOption m_iniFileDirectoryOption;
@@ -29,10 +34,15 @@ class CommandLineParser : public QCommandLineParser {
     QCommandLineOption m_alwaysDownloadConfigOption;
     QCommandLineOption m_alwaysDownloadDCOption;
     QCommandLineOption m_workingDirectoryOption;
+    QCommandLineOption m_psaConfigDirectoryOption;
+    QCommandLineOption m_psaTariffDirectoryOption;
     QCommandLineOption m_dryRunOption;
     QCommandLineOption m_extendedVersionOption;
     QCommandLineOption m_yoctoVersionOption;
     QCommandLineOption m_yoctoInstallStatusOption;
+    QCommandLineOption m_dcDirectoryOption;
+    QCommandLineOption m_readDCVersionOption;
+    QCommandLineOption m_setPPid;
 
     QCommandLineParser m_parser;
 
@@ -52,12 +62,17 @@ public:
     QString plugInDir();
     QString plugInName();
     QString workingDir();
+    QString psaConfigDir();
+    QString psaTariffDir();
     bool dryRun();
+    qint64 ppid();
     bool noUpdatePsaHardware();
     bool yoctoVersion();
     bool yoctoInstallStatus();
     bool extendedVersion();
     bool alwaysDownloadConfig();
     bool alwaysDownloadDC();
+    bool readDCVersion();
+    QString dcDir();
 };
 #endif // COMMAND_LINE_PARSER_H_INCLUDED

UpdatePTUDevCtrl/git/git_client.cpp

@@ -2,20 +2,23 @@
 #include "update.h"
 #include "worker.h"
 #include "utils.h"
+#include "process/command.h"
 
 #include <QRegularExpression>
 #include <QDebug>
 #include <QDir>
+#include <QStringList>
 
 
-GitClient::GitClient(QString const &customerNrStr,
+GitClient::GitClient(QString const &customerRepositoryPath,
+                     QString const &customerNrStr,
                      QString const &customerRepository,
                      QString const &workingDirectory,
                      QString const &branchName,
                      QObject *parent)
   : QObject(parent)
   , m_worker(qobject_cast<Worker *>(parent))
-  , m_repositoryPath(QString("https://git.mimbach49.de/GerhardHoffmann/%1.git").arg(customerNrStr))
+  , m_repositoryPath(customerRepositoryPath)
   , m_customerNr(customerNrStr)
   , m_workingDirectory(workingDirectory)
   , m_branchName(branchName)
@@ -192,7 +195,7 @@ QStringList GitClient::gitShowReason(QString branchName) {
             int const m = s.indexOf("m=");
             int const d = s.indexOf("d=");
 
-            QString msg = IsmasClient::getReasonForLastSendVersion();
+            QString msg{""}; // IsmasClient::getReasonForLastSendVersion();
             QString commit{""}, date{""};
 
             if (c != -1) {
@@ -204,9 +207,9 @@ QStringList GitClient::gitShowReason(QString branchName) {
                     start = m + 2;
                     if (d >= start) {
                         length = d - start;
-                        msg += " (";
+                        // msg = " (";
                         msg = s.mid(start, length).trimmed();
-                        msg += ")";
+                        // msg += ")";
 
                         start = d + 2;
                         date = s.mid(start);
@@ -290,6 +293,100 @@ bool GitClient::gitFsck() {
     }
     return r;
 }
+
+bool GitClient::branchExistsRemotely() {
+    bool remoteBranchExists = false;
+    if (QDir(m_customerRepository).exists()) {
+        qInfo() << "BRANCH NAME" << m_branchName;
+        QString const cmd = QString("git ls-remote --exit-code --heads origin %1").arg(m_branchName);
+        Command c(cmd);
+        if (c.execute(m_customerRepository)) {
+            // expected result: c16c833c8778c1b3691a74afee5a469177e4e69b refs/heads/zg1/zone1000
+            QString const s = c.getCommandResult().trimmed();
+
+
+            if (!s.isEmpty()) {
+                // the result is only one line
+                if ((remoteBranchExists = s.contains(m_branchName)) == true) {
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ") branch"
+                                << m_branchName << "EXISTS REMOTELY. (" << s << ")";
+                }
+            } else {
+                Utils::printCriticalErrorMsg(QString("EMPTY RESULT FOR CMD %1").arg(cmd));
+            }
+        } else {
+            Utils::printCriticalErrorMsg(QString("FAILED TO EXEC '%1'").arg(cmd));
+        }
+    }
+    return remoteBranchExists;
+}
+
+bool GitClient::branchExistsLocally() {
+    Command c("git branch -l");
+    if (c.execute(m_customerRepository)) {
+        QString const s = c.getCommandResult().trimmed();
+        if (!s.isEmpty()) {
+            QStringList lines = Update::split(s, '\n');
+            if (!lines.empty()) {
+                for (int i=0; i < lines.size(); ++i) {
+                    QString line = lines.at(i);
+                    // expected: * [new branch]      zg1/zone12 -> origin/zg1/zone12"
+                    if (line.contains(m_branchName)) {
+                        if (m_worker) {
+                            QStringList lst(QString("BRANCH-NAME %1 CONTAINED IN RESULT %2").arg(m_branchName).arg(s));
+                            m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH;
+                        }
+                        return true;
+                    }
+                }
+
+                if (m_worker) {
+                    QStringList lst(QString("BRANCH-NAME %1 NOT CONTAINED IN RESULT %2").arg(m_branchName).arg(s));
+                    m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH_FAILURE;
+                }
+
+            } else {
+                if (m_worker) {
+                    QStringList lst(QString("'git branch -l' RETURNED NO LINES"));
+                    m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH_FAILURE;
+                }
+            }
+        } else {
+            if (m_worker) {
+                QStringList lst(QString("'git branch -l' RETURNED EMPTY RESULT"));
+                m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH_FAILURE;
+            }
+        }
+    } else {
+        if (m_worker) {
+            QStringList lst(QString("FAILED TO EXEC 'git branch -l'"));
+            m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH_FAILURE;
+        }
+    }
+
+    return false;
+}
+
+bool GitClient::gitPullNewBranches() {
+
+    if (QDir(m_customerRepository).exists()) {
+        Command c("git pull");
+        if (c.execute(m_customerRepository)) {
+            QString const s = c.getCommandResult().trimmed();
+            // expected: Already up-to-date.
+            if (!s.isEmpty()) {
+                QStringList lst;
+                QString msg(QString("GIT-PULL-NEW-BRANCH. RESULT=%1").arg(s));
+                if (m_worker) {
+                    m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH;
+                }
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
 /*
  Hat sich nichts geaendert, so werden auch keine Commits <>..<> angezeigt
  */
@@ -297,6 +394,45 @@ std::optional<QString> GitClient::gitPull() {
     if (QDir(m_customerRepository).exists()) {
         qInfo() << "BRANCH NAME" << m_branchName;
 
+#if 0
+        IMPORTANT COMMENT:
+
+        If remote host keys are changed, then
+
+        export GIT_SSH_COMMAND="ssh -i /opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig"
+        git pull
+
+        leads to the following warning/error message:
+
+        @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+        @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
+        @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+        IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
+        Someone could be eavesdropping on you right now (man-in-the-middle attack)!
+        It is also possible that a host key has just been changed.
+        The fingerprint for the ECDSA key sent by the remote host is
+        SHA256:vOD5jF2hglGktqLhK9ABxfEjwEgIK68/v9erdT05NDQ.
+        Please contact your system administrator.
+        Add correct host key in /home/root/.ssh/known_hosts to get rid of this message.
+        Offending ECDSA key in /home/root/.ssh/known_hosts:1
+        Password authentication is disabled to avoid man-in-the-middle attacks.
+        Keyboard-interactive authentication is disabled to avoid man-in-the-middle attacks.
+        Agent forwarding is disabled to avoid man-in-the-middle attacks.
+        X11 forwarding is disabled to avoid man-in-the-middle attacks.
+        Already up to date.
+
+        This first part is from ssh itself. Only the last line is the git message.
+
+        Here an output of running ATBUpdateTool with a corrupted known-hosts-file:
+
+        ...
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: ( branchExistsRemotely : 310 ) branch "zg1/zone1" EXISTS REMOTELY. ( "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r\n@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @\r\n@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r\nIT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!\r\nSomeone could be eavesdropping on you right now (man-in-the-middle attack)!\r\nIt is also possible that a host key has just been changed.\r\nThe fingerprint for the ECDSA key sent by the remote host is\nSHA256:vOD5jF2hglGktqLhK9ABxfEjwEgIK68/v9erdT05NDQ.\r\nPlease contact your system administrator.\r\nAdd correct host key in /home/root/.ssh/known_hosts to get rid of this message.\r\nOffending ECDSA key in /home/root/.ssh/known_hosts:1\r\nPassword authentication is disabled to avoid man-in-the-middle attacks.\r\nKeyboard-interactive authentication is disabled to avoid man-in-the-middle attacks.\r\nAgent forwarding is disabled to avoid man-in-the-middle attacks.\r\nX11 forwarding is disabled to avoid man-in-the-middle attacks.\r\nbd4e8da4780b1a7d6be3d3ce8419f43ccf7e706f\trefs/heads/zg1/zone1" )
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: EXECUTED "git branch -l" "(runtime 16ms)" with code 0 IN "/opt/app/tools/atbupdate/customer_336"
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: "UPDATE_STEP::PULL_NEW_BRANCH"
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: "BRANCH-NAME zg1/zone1 CONTAINED IN RESULT master\n* zg1/zone1" .....
+
+        The download continues.
+#endif
         Command c("git pull");
         if (c.execute(m_customerRepository)) {
             QString const s = c.getCommandResult().trimmed();

UpdatePTUDevCtrl/git/git_client.h

@@ -4,8 +4,8 @@
 #include <QObject>
 #include <QStringList>
 #include <optional>
+#include <QCoreApplication>
 
-#include "process/command.h"
 #include "ismas/ismas_client.h"
 
 class Worker;
@@ -22,7 +22,8 @@ class GitClient : public QObject {
     bool copyGitConfigFromMaster();
 
   public:
-    explicit GitClient(QString const &customerNrStr,
+    explicit GitClient(QString const &customerRepositoryUrl,
+                       QString const &customerNrStr,
                        QString const &repositoryPath,
                        QString const &workingDirectory = QCoreApplication::applicationDirPath(),
                        QString const &branchName = "master",
@@ -57,6 +58,10 @@ class GitClient : public QObject {
     static QString gitBlob(QString fileName);
     QString gitCommitForBlob(QString blob);
     bool gitIsFileTracked(QString file2name);
+
+    bool branchExistsRemotely();
+    bool branchExistsLocally();
+    bool gitPullNewBranches();
 };
 
 #endif // GIT_CLIENT_H_INCLUDED

UpdatePTUDevCtrl/ismas/ismas_client.cpp

@@ -342,8 +342,11 @@ IsmasClient::sendRequestReceiveResponse(int port, QString const &request) {
                 return std::nullopt;
             }
         } else {
-            printDebugMessage(port, clientIP, clientPort,
-                QString("PARSE ERROR ") + response + " " + parseError.errorString());
+            if (!response.contains("RECORD")) {
+                // maybe APISM does not send valid JSON: "RECORD SAVED" etc.
+                printDebugMessage(port, clientIP, clientPort,
+                    QString("PARSE ERROR ") + response + " " + parseError.errorString());
+            }
             ::close(sockfd);
             return std::nullopt;
         }
@@ -360,7 +363,19 @@ QString IsmasClient::updateNewsToIsmas(char const *event,
     char buf[1024];
     memset(buf, 0, sizeof(buf));
 
-    QString const ts = QDateTime::currentDateTime().toString(Qt::ISODateWithMs);
+    QDateTime const local(QDateTime::currentDateTime());
+
+    QDateTime utc(local);
+    utc.setTimeSpec(Qt::UTC);
+
+    int const diff = (int)local.secsTo(utc); // diff between UTC and local time
+
+    QTime t(0, 0, 0);
+    t = t.addSecs((uint)diff);
+
+    QString const st(QString("%1%2").arg(diff < 0 ? "-" : "+").arg(t.toString("hh:mm")));
+    QString const ts(local.toString(Qt::ISODateWithMs) + st);
+
     snprintf(buf, sizeof(buf)-1,
         "{"
             "\"REASON\":\"SW_UP\","
@@ -384,7 +399,7 @@ QString IsmasClient::errorBackendNotConnected(QString const &info,
                                               QString const &version) {
     return updateNewsToIsmas("U0003",
                              m_progressInPercent,
-                             RESULT_CODE::INSTALL_ERROR,
+                             RESULT_CODE::ISMAS_NO_CONNECTION_ERROR,
                              "CHECK BACKEND CONNECTIVITY",
                              info.toStdString().c_str(),
                              version.toStdString().c_str());
@@ -394,7 +409,7 @@ QString IsmasClient::errorGitClone(QString const &info,
                                    QString const &version) {
     return updateNewsToIsmas("U0003",
                              m_progressInPercent,
-                             RESULT_CODE::INSTALL_ERROR,
+                             RESULT_CODE::GIT_CLONE_ERROR,
                              "CLONE CUSTOMER REPOSITORY FAILED",
                              info.toStdString().c_str(),
                              version.toStdString().c_str());
@@ -442,7 +457,7 @@ QString IsmasClient::updateTriggerSet(QString const &info, QString const &versio
 QString IsmasClient::errorUpdateTrigger(QString const &info, QString const &version) {
     return updateNewsToIsmas("U0003",
                              m_progressInPercent,
-                             RESULT_CODE::INSTALL_ERROR,
+                             RESULT_CODE::ISMAS_TRIGGER_ERROR,
                              "CHECK UPDATE TRIGGER",
                              info.toStdString().c_str(),
                              version.toStdString().c_str());
@@ -675,7 +690,8 @@ QString IsmasClient::updateOfPSASendVersion(PSAInstalled const &psa) {
                 "\"libTCP_ZVT_CCPlugin.so\" : {"
                     "\"VERSION\" : \"%s\""
                 "}"
-            "}"
+            "},"
+             "\"PTU-PACKAGE-VERSIONS\" : %s"
         "}",
         psa.versionInfo.reason.toStdString().c_str(),
         psa.versionInfo.created.toStdString().c_str(),
@@ -786,9 +802,11 @@ QString IsmasClient::updateOfPSASendVersion(PSAInstalled const &psa) {
         psa.pluginVersion.mobilisisCalculatePriceConfigUi.toStdString().c_str(),
         psa.pluginVersion.prmCalculatePrice.toStdString().c_str(),
         psa.pluginVersion.prmCalculatePriceConfigUi.toStdString().c_str(),
-        psa.pluginVersion.tcpZVT.toStdString().c_str());
+        psa.pluginVersion.tcpZVT.toStdString().c_str(),
 
-    qInfo() << buf;
+        psa.ptuPackageVersion.toStdString().c_str());
+
+        qInfo() << buf;
 
     return buf;
 }

UpdatePTUDevCtrl/ismas/ismas_client.h

@@ -77,6 +77,8 @@ struct PSAInstalled {
 
     DC2C print[32];
 
+    QString ptuPackageVersion;
+
     explicit PSAInstalled() {
         tariff.name = "N/A";
         tariff.version = "N/A";
@@ -145,13 +147,47 @@ public:
         DIRECT_PORT = 7778
     };
 
-
     enum RESULT_CODE {
         SUCCESS=0,
+        // if between 00:00 - 04:00 Wait-button state not WAIT, then we assume
+        // that's an automatic nightly (not-necessary) update
         NO_UPDATE_NECESSARY=1,
-        BACKUP_FAILED=2,
-        WRONG_PACKAGE=3,
-        INSTALL_ERROR=4};
+        // if APISM reports the ISMAS is not available (15x, 6s delay each)
+        ISMAS_NO_CONNECTION_ERROR=2,
+        // if not within 00:00-04:00 and WAIT-button was not in state WAIT
+        ISMAS_TRIGGER_ERROR=3,
+        // cloning git repo. not possible
+        GIT_CLONE_ERROR=4,
+        // pulling from remote git server not possible
+        GIT_PULL_ERROR=5,
+        // fetching from remote git server not possible
+        GIT_FETCH_ERROR=6,
+        // merging fetched data not possible
+        GIT_MERGE_ERROR=7,
+        // check sanity of local customer-repository failed
+        GIT_CHECK_REPOSITORY_ERROR=8,
+        // switch/checkout of branch (i.e. zone) on error
+        GIT_SWITCH_BRANCH_ERROR=9,
+        // fetch/pull of new branch failed. the new branch was not available
+        // when installing via SD-card followed by intial clone during the
+        // update process.
+        GIT_FETCH_NEW_BRANCH_ERROR=10,
+        // error computing git-blob hash-value
+        GIT_HASH_ERROR=11,
+        // update for general json files failed.
+        JSON_FILES_UPDATE_ERROR=12,
+        // error downloading config-json-files to device controller
+        JSON_FILES_DOWNLOAD_ERROR=13,
+        // error downloading device-controller
+        DC_DOWNLOAD_ERROR=14,
+        // error rsyncing json/ini-files to local filesystem
+        RSYN_ERROR=15,
+        // HASH_VALUE_ERROR=14,
+        // HW_COMPATIBILITY_ERROR=15,
+        OPKG_COMMANDS_ERROR=16,
+        // CLEANUP_ERROR=18,
+        UPDATE_IN_ERROR_STATE=99
+    };
 
     enum REASON {
         TIME_TRIGGERED = 0,

UpdatePTUDevCtrl/main.cpp

@@ -31,10 +31,12 @@
 #include "worker.h"
 #include "mainwindow.h"
 #include "utils.h"
+// #include "process/command.h"
 
 #include <QThread>
 #include <QtWidgets>
 #include <QScopedPointer>
+#include <QScreen>
 
 #if defined (Q_OS_UNIX) || defined (Q_OS_LINUX)
 #include <unistd.h>
@@ -50,9 +52,11 @@
 // argv[1]: file to send to dc
 int main(int argc, char *argv[]) {
     QByteArray const value = qgetenv("LC_ALL");
-    if (value != "C") {
+    if (value.isEmpty() || value != "C") {
         qputenv("LC_ALL", "C");
     }
+
+
     // qputenv("XDG_RUNTIME_DIR", "/var/run/user/0");
 
     openlog("ATB-UPDATE", LOG_PERROR | LOG_PID | LOG_CONS, LOG_USER);
@@ -62,7 +66,8 @@ int main(int argc, char *argv[]) {
     QApplication::setApplicationVersion(APP_VERSION);
 
     if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
-        atbInstallMessageHandler(atbDebugOutput);
+        atbInstallMessageHandler(nullptr);
+        //atbInstallMessageHandler(atbDebugOutput);
         setDebugLevel(LOG_NOTICE);
     }
 
@@ -71,6 +76,40 @@ int main(int argc, char *argv[]) {
     parser.readSettings();
 
     QString repositoryUrl = parser.repositoryUrl();
+
+    if (repositoryUrl.endsWith('/')) {
+        repositoryUrl.chop(1);
+    }
+
+    QString gitSSHCommand("");
+
+    if (repositoryUrl.contains("ptu-config.atb-comm.de")) {
+        QByteArray const v = qgetenv("GIT_SSH_COMMAND");
+        if (v.isEmpty()) {
+            QString sshKeyFile("/opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig");
+            if (QFileInfo(sshKeyFile).exists()) {
+                if (qgetenv("GIT_SSH_COMMAND").isNull()) {
+                    gitSSHCommand = "ssh -i /opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig";
+                    if (!qputenv("GIT_SSH_COMMAND", QByteArray(gitSSHCommand.toStdString().c_str()))) {
+                        qCritical() << "ERROR: GIT_SSH_COMMAND not put into env. Exiting...";
+                        return -1;
+                    }
+                }
+            } else {
+                qCritical() << "ERROR ssh-key-file" << sshKeyFile << "does not exists. Exiting...";
+                return -1;
+            }
+        } else {
+            gitSSHCommand = QString(v.toStdString().c_str());
+            qCritical() << "WARNING GIT_SSH_COMMAND already set in enviroment:"
+                        << gitSSHCommand;
+            if (gitSSHCommand != "ssh -i /opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig") {
+                qCritical() << "ERROR" << gitSSHCommand << "wrong. Exiting...";
+                return -1;
+            }
+        }
+    }
+
     QString plugInDir = parser.plugInDir();
     QString plugInName = parser.plugInName();
     QString workingDir = parser.workingDir();
@@ -93,6 +132,9 @@ int main(int argc, char *argv[]) {
 
     qInfo() << "pwd ......................" << rtPath;
     qInfo() << "repositoryUrl ............" << repositoryUrl;
+    if (!gitSSHCommand.isEmpty()) {
+        qInfo() << "GIT_SSH_COMMAND .........." << gitSSHCommand;
+    }
     qInfo() << "plugInDir ................" << plugInDir;
     qInfo() << "plugInName ..............." << plugInName;
     qInfo() << "workingDir ..............." << workingDir;
@@ -130,7 +172,9 @@ int main(int argc, char *argv[]) {
     if (!QDir(plugInDir).exists()) {
         qCritical() << plugInDir
                     << "does not exists, but has to contain dc-library";
-        exit(-1);
+        if (noUpdatePsaHardware == false) {
+            exit(-1);
+        }
     }
 
     // before loading the library, delete all possible shared memory segments
@@ -159,5 +203,10 @@ int main(int argc, char *argv[]) {
     mw.setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
     mw.showFullScreen();
 
+    // test
+    //worker.jsUpdate();
+    worker.workList().exec();
+    // worker.summary();
+
     return a.exec();
 }

UpdatePTUDevCtrl/mainwindow.cpp

@@ -2,8 +2,10 @@
 #include "ui_mainwindow.h"
 #include "worker.h"
 #include "utils.h"
+#include "utils_internal.h"
 #include "progress_event.h"
 #include "update_dc_event.h"
+#include "process/update_command.h"
 #include <DeviceController/interfaces.h>
 
 #include <QDateTime>
@@ -11,6 +13,8 @@
 #include <QDebug>
 #include <QScrollBar>
 #include <QEvent>
+#include <QColor>
+#include <QColorDialog>
 
 
 MainWindow::MainWindow(Worker *worker, QWidget *parent)
@@ -21,16 +25,16 @@ MainWindow::MainWindow(Worker *worker, QWidget *parent)
     , m_progressRunning(false)
     , m_updateStep(UpdateDcEvent::UpdateStep::NONE) {
 
+    ui->setupUi(this);
+
     this->setStatusBar(new QStatusBar(this));
     QFont f;
     f.setStyleHint(QFont::Monospace);
     f.setWeight(QFont::Bold);
     f.setFamily("Misc Fixed");
-    f.setPixelSize(12);
+    f.setPointSize(11);
     this->statusBar()->setFont(f);
 
-    ui->setupUi(this);
-
     ui->updateProgress->setRange(0, 100);
     ui->updateProgress->reset();
 
@@ -38,15 +42,15 @@ MainWindow::MainWindow(Worker *worker, QWidget *parent)
     QString start = QDateTime::currentDateTime().toString(Qt::ISODate);
     lst << QString("Start: ") + start.leftJustified(m_width-10);
     lst << QString("").leftJustified(m_width-3, '=');
-    lst << QString("Update tool version: %1 - %2 %3").arg(APP_VERSION).arg(APP_BUILD_DATE).arg(APP_BUILD_TIME).leftJustified(m_width-3);
-    lst << QString("Machine number     : %1 ").arg(m_worker->machineNr()).leftJustified(m_width-3);
-    lst << QString("Customer number    : %1 ").arg(m_worker->customerNr()).leftJustified(m_width-3);
-    lst << QString("Zone number        : %1 (%2)").arg(m_worker->zoneNr()).arg(Utils::zoneName(m_worker->zoneNr())).leftJustified(m_width-3);
-    lst << QString("APISM version      : %1").arg(m_worker->apismVersion()).leftJustified(m_width-3);
+    lst << QString("Update tool version     : %1 - %2 %3").arg(APP_VERSION).arg(APP_BUILD_DATE).arg(APP_BUILD_TIME).leftJustified(m_width-3);
+    lst << QString("Machine number          : %1 ").arg(m_worker->machineNr()).leftJustified(m_width-3);
+    lst << QString("Customer number         : %1 ").arg(m_worker->customerNr()).leftJustified(m_width-3);
+    lst << QString("Zone number             : %1 (%2)").arg(m_worker->zoneNr()).arg(Utils::zoneName(m_worker->zoneNr())).leftJustified(m_width-3);
+    lst << QString("APISM version           : %1").arg(m_worker->apismVersion()).leftJustified(m_width-3);
     lst << QString("").leftJustified(m_width-3, '=');
 
-    ui->updateStatus->setText(lst.join('\n'));
-    ui->updateStatus->setEnabled(true);
+    ui->updateLabel->setText(lst.join('\n'));
+    ui->updateLabel->setEnabled(true);
     // ui->updateStatus->installEventFilter(this);
 
     m_startTimer = new QTimer(this);
@@ -59,12 +63,49 @@ MainWindow::MainWindow(Worker *worker, QWidget *parent)
     m_exitTimer->setSingleShot(true);
     m_exitTimer->start(1800 * 1000);
 
+    m_statusTimer = new QTimer(this);
+    if (m_statusTimer) {
+        connect(m_statusTimer, &QTimer::timeout, [this]() {
+            static QString p(".");
+            QTime const &t = QDateTime::currentDateTime().time();
+            QString s = t.toString(Qt::ISODate);
+            s += ": Update might take several minutes " + p;
+            if (p.length() >= 5) {
+                p = ".";
+            } else {
+                p += ".";
+            }
+            this->statusBar()->showMessage(s);
+        });
+        m_statusTimer->setSingleShot(false);
+        m_statusTimer->start(1000);
+    }
+
     connect(ui->exit, SIGNAL(clicked()),this,SLOT(onQuit()));
+    connect(m_worker, SIGNAL(showSummary(QString)),this,SLOT(onShowSummary(QString)));
     connect(m_worker, SIGNAL(disableExit()),this,SLOT(onDisableExit()));
+    connect(m_worker, SIGNAL(showDcDownload(QString)),this,SLOT(onShowDcDownload(QString)));
+    connect(m_worker, SIGNAL(showJsonDownload(QString)),this,SLOT(onShowJsonDownload(QString)));
+    connect(m_worker, SIGNAL(showTariffUpdate(QString)),this,SLOT(onShowTariffUpdate(QString)));
+
+    // deprecated
+    connect(m_worker, SIGNAL(showISMASChecks(QString)),this,SLOT(onShowISMASChecks(QString)));
+
+    connect(m_worker, SIGNAL(showISMASConnectivity(QString)),this,SLOT(onShowISMASConnectivity(QString)));
+    connect(m_worker, SIGNAL(showUpdateRequest(QString)),this,SLOT(onShowUpdateRequest(QString)));
+    connect(m_worker, SIGNAL(showCustRepoStatus(QString)),this,SLOT(onShowCustRepoStatus(QString)));
+    connect(m_worker, SIGNAL(showExecOpkgStatus(QString)),this,SLOT(onShowExecOpkgStatus(QString)));
+    connect(m_worker, SIGNAL(showExecOpkgCommand(QString)),this,SLOT(onShowExecOpkgCommand(QString)));
+    connect(m_worker, SIGNAL(showExecOpkgOverallResult(QString, bool)),this,SLOT(onShowExecOpkgOverallResult(QString,bool)));
+    connect(m_worker, SIGNAL(showDownloadDCJsonFilesStatus(QString)),this,SLOT(onShowDownloadDCJsonFilesStatus(QString)));
+    connect(m_worker, SIGNAL(showSyncCustRepoStatus(QString)),this,SLOT(onShowSyncCustRepoStatus(QString)));
+    connect(m_worker, SIGNAL(showUpdateDCFirmware(QString)),this,SLOT(onShowUpdateDCFirmware(QString)));
+    connect(m_worker, SIGNAL(setDcDownloadProgress(int)),this,SLOT(onSetDcDownloadProgress(int)));
     connect(m_worker, SIGNAL(enableExit()),this,SLOT(onEnableExit()));
     connect(m_worker, SIGNAL(stopStartTimer()),this,SLOT(onStopStartTimer()));
     connect(m_worker, SIGNAL(restartExitTimer()),this,SLOT(onRestartExitTimer()));
     connect(m_worker, SIGNAL(appendText(QString,QString)),this,SLOT(onAppendText(QString,QString)));
+    connect(m_worker, SIGNAL(insertText(QString)),this,SLOT(onInsertText(QString)), Qt::DirectConnection);
     connect(m_worker, SIGNAL(showErrorMessage(QString,QString)),this, SLOT(onShowErrorMessage(QString,QString)));
     connect(m_worker, SIGNAL(showStatusMessage(QString,QString)),this, SLOT(onShowStatusMessage(QString,QString)));
     connect(m_worker, SIGNAL(showErrorMessage(QStringList)),this, SLOT(onShowErrorMessage(QStringList)));
@@ -73,9 +114,366 @@ MainWindow::MainWindow(Worker *worker, QWidget *parent)
     connect(m_worker, SIGNAL(replaceLast(QStringList,QString)),this, SLOT(onReplaceLast(QStringList,QString)));
 }
 
+
+void MainWindow::onShowSummary(QString text) {
+    // QString s = ui->updateLabel->text();
+    QString s("\n");
+
+    ui->updateLabel->setText(s);
+    ui->updateLabel->hide();
+    ui->stepLabel->hide();
+    ui->updateProgress->hide();
+
+    s += text;
+    ui->updateStatus->setText(s);
+}
+
+void MainWindow::onSetDcDownloadProgress(int v) {
+    ui->updateProgress->setValue(v);
+}
+
+void MainWindow::onShowTariffUpdate(QString) {
+    ui->exit->setEnabled(false);
+
+    QString s = ui->stepLabel->text();
+
+    QString tmp("Install tariff files ");
+    int len = m_showLineLength - tmp.length();
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    s += QString("%1 <font color='Green'>[OK  ]</font><br />").arg(tmp);
+
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowISMASConnectivity(QString status) {
+    // ausgabe: connected, not connected, connecting
+
+    m_stepLabelChopCount = 0;
+    qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = ui->stepLabel->text();
+
+    QString tmp("Check backend connection (ISMAS) ");
+    int len = m_showLineLength - tmp.length();
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    bool const custRepoExists = internal::customerRepoExists();
+
+    if (status.contains(UpdateCommand::ISMAS_CONNECTED, Qt::CaseInsensitive)) {
+        if (custRepoExists) {
+            s += QString("%1 <font color='Green'>connected</font><br />").arg(tmp);
+        } else {
+            s += QString("%1 <font color='Green'>connected&nbsp;(initial configuration)</font><br />").arg(tmp);
+        }
+    } else
+    if (status.contains(UpdateCommand::NO_CUSTOMER_REPOSITORY, Qt::CaseInsensitive)) {
+        s += QString("%1 <font color='Blue'>NOT CONNECTED</font><br />").arg(tmp);
+    } else
+    if (status.contains(UpdateCommand::ISMAS_CONNECTION_IN_PROGRESS, Qt::CaseInsensitive)) {
+        s += QString("%1 <font color='Green'>connecting</font><br />").arg(tmp);
+    } else
+    if (status.contains(UpdateCommand::ISMAS_NOT_CONNECTED, Qt::CaseInsensitive)) {
+        if (custRepoExists) {
+            s += QString(  "%1 <font color='Red'>NOT CONNECTED. STOP</font><br />").arg(tmp);
+        } else {
+            s += QString(  "%1 <font color='Red'>not connected.&nbsp;(initial configuration)</font><br />").arg(tmp);
+        }
+    } else {
+        s += QString(  "%1 <font color='Red'>UNKNOWN STATUS</font><br />").arg(tmp);
+    }
+
+    m_stepLabelChopCount = -s.length();
+    s += "Check update request";
+    m_stepLabelChopCount += s.length();
+
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowCustRepoStatus(QString status) {
+    qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = ui->stepLabel->text();
+    s.chop(m_stepLabelChopCount);
+
+    QString tmp("Check customer repository ");
+    int len = m_showLineLength - tmp.length();
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    if (status.contains(UpdateCommand::GIT_CUSTOMER_REPO_UP_TO_DATE, Qt::CaseInsensitive)) {
+        s += QString("%1 <font color='Green'>up to date</font><br />").arg(tmp);
+    } else {
+        s += QString(  "%1 <font color='Red'>UNKNOWN STATUS</font><br />").arg(tmp);
+    }
+
+    m_stepLabelChopCount = -s.length();
+    s += "Install SW packets (dry run)";
+    m_stepLabelChopCount += s.length();
+
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowExecOpkgStatus(QString status) {
+    qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = ui->stepLabel->text();
+
+    QString tmp = "execute opkg commands ";
+    int len = m_showLineLength - tmp.length();
+
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    if (status.contains(UpdateCommand::EXEC_OPKG_COMMANDS_SUCCESS, Qt::CaseInsensitive)) {
+        s += QString("%1 <font color='Green'>success</font><br />").arg(tmp);
+    } else {
+        s += QString(  "%1 <font color='Red'>UNKNOWN STATUS</font><br />").arg(tmp);
+    }
+
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowExecOpkgCommand(QString cmd) {
+    qCritical() << __func__ << ":" << __LINE__ << "cmd" << cmd;
+
+    if (cmd.back() != QChar('\n')) {
+        cmd += "\n";
+    }
+    onInsertText(cmd);
+}
+
+void MainWindow::onShowExecOpkgOverallResult(QString status, bool noaction) {
+    qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = ui->stepLabel->text();
+    s.chop(m_stepLabelChopCount);
+
+    QString tmp = noaction ? "Install SW packets (dry run) " : "Install SW packets ";
+    int len = m_showLineLength - tmp.length();
+
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    if (status.contains(internal::EXEC_OPKG_COMMANDS_SUCCESS, Qt::CaseInsensitive)) {
+        s += QString("%1 <font color='Green'>success</font><br />").arg(tmp);
+    } else
+    if (status.contains(internal::EXEC_OPKG_COMMANDS_FAIL, Qt::CaseInsensitive)) {
+        s += QString("%1 <font color='Red'>%2</font><br />").arg(tmp).arg(internal::EXEC_OPKG_COMMANDS_FAIL);
+    } else {
+        s += QString(  "%1 <font color='Red'>UNKNOWN STATUS</font><br />").arg(tmp);
+    }
+
+    if (noaction) {
+        m_stepLabelChopCount = -s.length();
+        s += "Install SW packets";
+        m_stepLabelChopCount += s.length();
+    } else {
+        m_stepLabelChopCount = -s.length();
+        s += "Install DC configuration";
+        m_stepLabelChopCount += s.length();
+    }
+
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowDownloadDCJsonFilesStatus(QString status) {
+    qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = ui->stepLabel->text();
+    s.chop(m_stepLabelChopCount);
+
+    QString tmp = "Install DC configuration ";
+    int len = m_showLineLength - tmp.length();
+
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    if (status.contains(UpdateCommand::UPDATE_DC_JSON_FILES_SUCCESS, Qt::CaseInsensitive)) {
+        s += QString("%1 <font color='Green'>success</font><br />").arg(tmp);
+    } else {
+        s += QString(  "%1 <font color='Red'>UNKNOWN STATUS</font><br />").arg(tmp);
+    }
+
+    m_stepLabelChopCount = -s.length();
+    s += "Synchronize repository/filesystem";
+    m_stepLabelChopCount += s.length();
+
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowSyncCustRepoStatus(QString status) {
+    qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = ui->stepLabel->text();
+    s.chop(m_stepLabelChopCount);
+
+    QString tmp = "Synchronize repository/filesystem ";
+    int len = m_showLineLength - tmp.length();
+
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    if (status.contains(UpdateCommand::SYNC_CUSTOMER_REPO_FILES_SUCCESS, Qt::CaseInsensitive)) {
+        s += QString("%1 <font color='Green'>success</font><br />").arg(tmp);
+    } else {
+        s += QString(  "%1 <font color='Red'>UNKNOWN STATUS</font><br />").arg(tmp);
+    }
+
+    m_stepLabelChopCount = -s.length();
+    s += "Update DC";
+    m_stepLabelChopCount += s.length();
+
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowUpdateDCFirmware(QString status) {
+    qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = ui->stepLabel->text();
+    s.chop(m_stepLabelChopCount);
+
+    QString tmp = "Update DC ";
+    int len = m_showLineLength - tmp.length();
+
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    if (status.contains(UpdateCommand::UPDATE_DC_FIRMARE_SUCCESS, Qt::CaseInsensitive)) {
+        s += QString("%1 <font color='Green'>success</font><br />").arg(tmp);
+    } else {
+        s += QString(  "%1 <font color='Red'>UNKNOWN STATUS</font><br />").arg(tmp);
+    }
+
+    ui->stepLabel->setText(s);
+}
+
+
+void MainWindow::onShowUpdateRequest(QString status) {
+
+    qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = ui->stepLabel->text();
+    s.chop(m_stepLabelChopCount);
+
+    QString tmp = "Check update request ";
+    int len = m_showLineLength - tmp.length();
+
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    bool const custRepoExists = internal::customerRepoExists();
+
+    if (status.contains(UpdateCommand::UPDATE_NOT_REQUESTED, Qt::CaseInsensitive)) {
+        if (custRepoExists) {
+            s += QString(  "%1 <font color='Red'>NOT REQUESTED. STOP.</font><br />").arg(tmp);
+        } else {
+            s += QString("%1 <font color='Blue'>not requested&nbsp;(initial configuration)</font><br />").arg(tmp);
+        }
+    } else
+    if (status.contains(UpdateCommand::UPDATE_REQUESTED, Qt::CaseInsensitive)) {
+        if (custRepoExists) {
+            s += QString("%1 <font color='Green'>requested</font><br />").arg(tmp);
+        } else {
+            s += QString("%1 <font color='Blue'>requested&nbsp;(initial configuration)</font><br />").arg(tmp);
+        }
+    } else
+    if (status.contains(UpdateCommand::UPDATE_NOT_NECESSARY, Qt::CaseInsensitive)) {
+        s += QString("%1 <font color='Green'>not necessary</font><br />").arg(tmp);
+    } else
+    if (status.contains(UpdateCommand::NO_CUSTOMER_REPOSITORY, Qt::CaseInsensitive)) {
+        s += QString("%1 <font color='Blue'>UNKNOWN (ISMAS not connected)</font><br />").arg(tmp);
+    } else {
+        s += QString(  "%1 <font color='Red'>UNKNOWN</font><br />").arg(tmp);
+    }
+
+    m_stepLabelChopCount = -s.length();
+    s += "Check customer repository";
+    m_stepLabelChopCount += s.length();
+
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowISMASChecks(QString) {
+    // deprecated
+
+    QString s = ui->stepLabel->text();
+
+    QString tmp("Check ISMAS connectivity ");
+    int len = m_showLineLength - tmp.length();
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    s += QString("%1 <font color='Green'>[OK  ]</font><br />").arg(tmp);
+
+    tmp = "Check update activation ";
+    len = m_showLineLength - tmp.length();
+
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    s += QString("%1 <font color='Green'>[OK  ]</font><br />").arg(tmp);
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowJsonDownload(QString) {
+    ui->exit->setEnabled(false);
+
+    QString s = ui->stepLabel->text();
+
+    QString tmp("Send json files to dc-hardware ");
+    int len = m_showLineLength - tmp.length();
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    s += QString("%1 <font color='Green'>[OK  ]</font><br />").arg(tmp);
+
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowDcDownload(QString version) {
+    m_targetDcVersion = version;
+    ui->exit->setEnabled(false);
+
+    // test
+    // onShowISMASChecks("");
+    onShowISMASConnectivity("connected");
+    onShowUpdateRequest("activated");
+
+    onShowTariffUpdate("");
+    onShowJsonDownload("");
+
+    QString s = ui->stepLabel->text();
+
+    QString tmp("Send dc-firmware to dc-hardware ");
+    int len = m_showLineLength - tmp.length();
+    while (--len > 0) {
+       tmp += "&nbsp;";
+    }
+
+    s += QString("%1 <font color='#33FF50'>[OK  ]</font> (%2)").arg(tmp).arg(version);
+
+    ui->stepLabel->setText(s);
+}
+
 MainWindow::~MainWindow() {
     delete m_startTimer;
     delete m_exitTimer;
+    delete m_statusTimer;
     delete ui;
 }
 
@@ -180,6 +578,12 @@ void MainWindow::scrollDownTextEdit() {
     ui->updateStatus->ensureCursorVisible();
 }
 
+
+void MainWindow::onInsertText(QString text) {
+    scrollDownTextEdit();
+    ui->updateStatus->textCursor().insertText(text);
+}
+
 void MainWindow::onAppendText(QString text, QString suffix) {
     // Utils::printInfoMsg(QString("ON APPEND CALLED AT ")
     //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));

UpdatePTUDevCtrl/mainwindow.h

@@ -36,8 +36,11 @@ public:
     UpdateDcEvent::UpdateStep updateStep() const { return m_updateStep; }
     void setUpdateStep(UpdateDcEvent::UpdateStep updateStep) { m_updateStep = updateStep; }
 
+    QString targetDcVersion() {return  m_targetDcVersion; }
+
 public slots:
     void onAppendText(QString, QString suffix = "");
+    void onInsertText(QString);
     void onReplaceLast(QStringList, QString suffix = "");
     void onReplaceLast(QString, QString suffix = "");
     void onShowErrorMessage(QString, QString);
@@ -48,6 +51,21 @@ public slots:
     void onRestartExitTimer();
     void onEnableExit();
     void onDisableExit();
+    void onShowDcDownload(QString);
+    void onShowJsonDownload(QString);
+    void onShowTariffUpdate(QString);
+    void onShowISMASChecks(QString);
+    void onShowISMASConnectivity(QString);
+    void onShowUpdateRequest(QString);
+    void onShowCustRepoStatus(QString);
+    void onShowExecOpkgStatus(QString);
+    void onShowExecOpkgCommand(QString);
+    void onShowExecOpkgOverallResult(QString,bool);
+    void onShowDownloadDCJsonFilesStatus(QString);
+    void onShowSyncCustRepoStatus(QString);
+    void onShowUpdateDCFirmware(QString);
+    void onSetDcDownloadProgress(int);
+    void onShowSummary(QString);
 #if EMERGENCY_LEAVE_BL==1
     void emergencyLeaveBL();
 #endif
@@ -62,6 +80,9 @@ private slots:
     void onQuit();
 
 private:
+
+    int const m_showLineLength = 37;
+
     void scrollDownTextEdit();
     void onShowMessage(QString, QString);
 
@@ -73,5 +94,8 @@ private:
     bool m_progressRunning;
     //int m_progressValue;
     UpdateDcEvent::UpdateStep m_updateStep;
+    QTimer *m_statusTimer;
+    QString m_targetDcVersion;
+    int m_stepLabelChopCount{};
 };
 #endif // MAINWINDOW_H

UpdatePTUDevCtrl/mainwindow.ui

@@ -12,7 +12,10 @@
   </property>
   <property name="font">
    <font>
-    <family>Source Code Pro</family>
+    <family>Misc Fixed</family>
+    <pointsize>11</pointsize>
+    <weight>75</weight>
+    <bold>true</bold>
    </font>
   </property>
   <property name="windowTitle">
@@ -29,21 +32,28 @@
      </rect>
     </property>
     <layout class="QGridLayout" name="gridLayout">
-     <item row="3" column="2">
-      <widget class="QPushButton" name="exit">
+     <item row="2" column="0" colspan="3">
+      <widget class="QLabel" name="stepLabel">
+       <property name="minimumSize">
+        <size>
+         <width>0</width>
+         <height>18</height>
+        </size>
+       </property>
+       <property name="font">
+        <font>
+         <family>Misc Fixed</family>
+         <pointsize>11</pointsize>
+         <weight>75</weight>
+         <bold>true</bold>
+        </font>
+       </property>
        <property name="text">
-        <string>Exit</string>
+        <string/>
        </property>
       </widget>
      </item>
-     <item row="3" column="1">
-      <widget class="QProgressBar" name="updateProgress">
-       <property name="value">
-        <number>1</number>
-       </property>
-      </widget>
-     </item>
-     <item row="0" column="0" rowspan="3" colspan="3">
+     <item row="3" column="0" colspan="3">
       <widget class="QTextEdit" name="updateStatus">
        <property name="enabled">
         <bool>true</bool>
@@ -52,9 +62,16 @@
         <font>
          <family>Misc Fixed</family>
          <pointsize>11</pointsize>
+         <weight>75</weight>
          <bold>true</bold>
         </font>
        </property>
+       <property name="focusPolicy">
+        <enum>Qt::NoFocus</enum>
+       </property>
+       <property name="frameShape">
+        <enum>QFrame::WinPanel</enum>
+       </property>
        <property name="verticalScrollBarPolicy">
         <enum>Qt::ScrollBarAsNeeded</enum>
        </property>
@@ -64,6 +81,44 @@
        <property name="sizeAdjustPolicy">
         <enum>QAbstractScrollArea::AdjustToContents</enum>
        </property>
+       <property name="undoRedoEnabled">
+        <bool>false</bool>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="0" rowspan="2" colspan="3">
+      <widget class="QLabel" name="updateLabel">
+       <property name="minimumSize">
+        <size>
+         <width>0</width>
+         <height>100</height>
+        </size>
+       </property>
+       <property name="font">
+        <font>
+         <family>Misc Fixed</family>
+         <pointsize>11</pointsize>
+         <weight>75</weight>
+         <bold>true</bold>
+        </font>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+      </widget>
+     </item>
+     <item row="4" column="0" colspan="2">
+      <widget class="QProgressBar" name="updateProgress">
+       <property name="value">
+        <number>1</number>
+       </property>
+      </widget>
+     </item>
+     <item row="4" column="2">
+      <widget class="QPushButton" name="exit">
+       <property name="text">
+        <string>Exit</string>
+       </property>
       </widget>
      </item>
     </layout>

UpdatePTUDevCtrl/process/check_and_fetch_customer_repository_command.cpp

@@ -0,0 +1,44 @@
+#include "process/check_and_fetch_customer_repository_command.h"
+#include "worker.h"
+#include "utils_internal.h"
+
+CheckAndFetchCustomerRepositoryCommand::CheckAndFetchCustomerRepositoryCommand(
+    QString const &command, Worker *worker, int nextCommandIndex,
+        int start_timeout, int finish_timeout)
+  : UpdateCommand(command, worker, nextCommandIndex, start_timeout, finish_timeout) {
+}
+
+void CheckAndFetchCustomerRepositoryCommand::finished(int exitCode, QProcess::ExitStatus exitStatus) {
+    qCritical() << __func__ << ":" << __LINE__ << command() << exitCode << exitStatus;
+    Worker *w = worker();
+    if (w) {
+        switch (exitCode) {
+        case -2:
+            emit w->showCustRepoStatus(internal::GIT_CUSTOMER_REPO_CHECKOUT_ERROR);
+            break;
+        case -4:
+            emit w->showCustRepoStatus(internal::GIT_CUSTOMER_REPO_PULL_ERROR);
+            break;
+        case 0:
+            emit w->showCustRepoStatus(internal::GIT_CUSTOMER_REPO_UP_TO_DATE);
+        default:;
+        }
+    }
+
+    return UpdateCommand::finished(exitCode, exitStatus);
+}
+
+void CheckAndFetchCustomerRepositoryCommand::readyReadStandardOutput() {
+    //QProcess *p = (QProcess *)sender();
+    //if (p) {
+    //    Worker *w = worker();
+    //    if (w) {
+    //        QString s = p->readAllStandardOutput().trimmed();
+    //
+    //        qCritical() << __func__ << ":" << __LINE__ << s;
+
+    // static constexpr const char *GIT_CUSTOMER_REPO_UP_TO_DATE{"up to date"};
+    //        emit w->showCustRepoStatus(UpdateCommand::GIT_CUSTOMER_REPO_UP_TO_DATE);
+    //    }
+    //}
+}

UpdatePTUDevCtrl/process/check_and_fetch_customer_repository_command.h

@@ -0,0 +1,18 @@
+#ifndef CHECK_AND_FETCH_CUSTOMER_REPOSITORY_COMMAND_H_INCLUDED
+#define CHECK_AND_FETCH_CUSTOMER_REPOSITORY_COMMAND_H_INCLUDED
+
+#include "update_command.h"
+
+class CheckAndFetchCustomerRepositoryCommand : public UpdateCommand {
+public:
+    explicit CheckAndFetchCustomerRepositoryCommand(QString const &command,
+                                                    Worker *worker,
+                                                    int nextCommandIndex,
+                                                    int start_timeout = 100000,
+                                                    int finish_timeout = 100000);
+public slots:
+    virtual void readyReadStandardOutput() override;
+    virtual void finished(int exitCode, QProcess::ExitStatus exitStatus) override;
+};
+
+#endif // CHECK_AND_FETCH_CUSTOMER_REPOSITORY_COMMAND_H_INCLUDED

UpdatePTUDevCtrl/process/check_ismas_connectivity_command.cpp

@@ -0,0 +1,38 @@
+#include "process/check_ismas_connectivity_command.h"
+#include "worker.h"
+
+#include <QDebug>
+
+CheckIsmasConnectivityCommand::CheckIsmasConnectivityCommand(QString const &command,
+                                                             Worker *worker,
+                                                             int nextCommandIndex,
+                                                             int start_timeout,
+                                                             int finish_timeout)
+  : UpdateCommand(command, worker, nextCommandIndex, start_timeout, finish_timeout) {
+}
+
+void CheckIsmasConnectivityCommand::finished(int exitCode, QProcess::ExitStatus exitStatus) {
+    return UpdateCommand::finished(exitCode, exitStatus);
+}
+
+void CheckIsmasConnectivityCommand::readyReadStandardOutput() {
+    QProcess *p = (QProcess *)sender();
+    if (p) {
+        Worker *w = worker();
+        if (w) {
+            QString s = p->readAllStandardOutput().trimmed();
+            if (s == UpdateCommand::ISMAS_CONNECTED) {
+                emit w->showISMASConnectivity(UpdateCommand::ISMAS_CONNECTED);
+            } else
+            if (s == UpdateCommand::NO_CUSTOMER_REPOSITORY) {
+                emit w->showISMASConnectivity(UpdateCommand::NO_CUSTOMER_REPOSITORY);
+            } else
+            if (s == UpdateCommand::ISMAS_NOT_CONNECTED) {
+                emit w->showISMASConnectivity(UpdateCommand::ISMAS_NOT_CONNECTED);
+            } else
+            if (s == UpdateCommand::ISMAS_CONNECTION_IN_PROGRESS) {
+                emit w->showISMASConnectivity(UpdateCommand::ISMAS_CONNECTION_IN_PROGRESS);
+            }
+        }
+    }
+}

UpdatePTUDevCtrl/process/check_ismas_connectivity_command.h

@@ -0,0 +1,18 @@
+#ifndef CHECK_ISMAS_CONNECTIVITY_COMMAND_H_INCLUDED
+#define CHECK_ISMAS_CONNECTIVITY_COMMAND_H_INCLUDED
+
+#include "update_command.h"
+
+class CheckIsmasConnectivityCommand : public UpdateCommand {
+public:
+    explicit CheckIsmasConnectivityCommand(QString const &command,
+                                           Worker *worker,
+                                           int nextCommandIndex,
+                                           int start_timeout = 100000,
+                                           int finish_timeout = 100000);
+public slots:
+    virtual void readyReadStandardOutput() override;
+    virtual void finished(int exitCode, QProcess::ExitStatus exitStatus) override;
+};
+
+#endif // CHECK_ISMAS_CONNECTIVITY_COMMAND_H_INCLUDED

UpdatePTUDevCtrl/process/check_update_activation_command.cpp

@@ -0,0 +1,39 @@
+#include "process/check_update_activation_command.h"
+#include "worker.h"
+
+#include <QDebug>
+
+CheckUpdateActivationCommand::CheckUpdateActivationCommand(QString const &command,
+                                                           Worker *worker,
+                                                           int nextCommandIndex,
+                                                           int start_timeout,
+                                                           int finish_timeout)
+  : UpdateCommand(command, worker, nextCommandIndex, start_timeout, finish_timeout) {
+}
+
+void CheckUpdateActivationCommand::finished(int exitCode, QProcess::ExitStatus exitStatus) {
+    qCritical() << __func__ << ":" << __LINE__ << command() << exitCode << exitStatus;
+    return UpdateCommand::finished(exitCode, exitStatus);
+}
+
+void CheckUpdateActivationCommand::readyReadStandardOutput() {
+    QProcess *p = (QProcess *)sender();
+    if (p) {
+        Worker *w = worker();
+        if (w) {
+            QString s = p->readAllStandardOutput().trimmed();
+            if (s == UpdateCommand::UPDATE_REQUESTED) {
+                emit w->showUpdateRequest(UpdateCommand::UPDATE_REQUESTED);
+            } else
+            if (s == UpdateCommand::UPDATE_NOT_NECESSARY) {
+                emit w->showUpdateRequest(UpdateCommand::UPDATE_NOT_NECESSARY);
+            } else
+            if (s == UpdateCommand::UPDATE_NOT_REQUESTED) {
+                emit w->showUpdateRequest(UpdateCommand::UPDATE_NOT_REQUESTED);
+            } else
+            if (s == UpdateCommand::NO_CUSTOMER_REPOSITORY) {
+                emit w->showUpdateRequest(UpdateCommand::NO_CUSTOMER_REPOSITORY);
+            }
+        }
+    }
+}

UpdatePTUDevCtrl/process/check_update_activation_command.h

@@ -0,0 +1,18 @@
+#ifndef CHECK_UPDATE_ACTIVATION_COMMAND_H_INCLUDED
+#define CHECK_UPDATE_ACTIVATION_COMMAND_H_INCLUDED
+
+#include "update_command.h"
+
+class CheckUpdateActivationCommand : public UpdateCommand {
+public:
+    explicit CheckUpdateActivationCommand(QString const &command,
+                                          Worker *worker,
+                                          int nextCommandIndex,
+                                          int start_timeout = 100000,
+                                          int finish_timeout = 100000);
+public slots:
+    virtual void readyReadStandardOutput() override;
+    virtual void finished(int exitCode, QProcess::ExitStatus exitStatus) override;
+};
+
+#endif // CHECK_UPDATE_ACTIVATION_COMMAND_H_INCLUDED

UpdatePTUDevCtrl/process/command.cpp

@@ -1,44 +1,145 @@
 #include "command.h"
+#include "worker.h"
 
 #include <QProcess>
 #include <QDebug>
 #include <QDir>
 #include <QRegularExpression>
 #include <QDateTime>
+#include <QMutexLocker>
+
 
 Command::Command(QString const &command, int start_timeout, int finish_timeout)
     : m_command(command.trimmed())
     , m_commandResult("")
     , m_waitForStartTimeout(start_timeout)
     , m_waitForFinishTimeout(finish_timeout)
-    , m_exitCode(-1) {
+    , m_exitCode(-1)
+    , m_p(nullptr)
+    , m_worker(nullptr) {
 }
 
-QString Command::getCommandResult() const {
-    return m_commandResult;
+QString Command::getCommandResult(bool reset) const {
+    QMutexLocker locker(&m_mtx);
+
+    if (reset == false) {
+        return m_commandResult;
+    }
+
+    QString commandResult = m_commandResult;
+    m_commandResult.clear();
+
+    return commandResult;
 }
 
 void Command::readyReadStandardOutput() {
+    QMutexLocker locker(&m_mtx);
     QProcess *p = (QProcess *)sender();
-    m_commandResult += p->readAllStandardOutput();
-    // qCritical() << m_commandResult;
+    if (p) {
+        QString s = p->readAllStandardOutput();
+
+        // qCritical() << __func__ << ":" << __LINE__ << s;
+
+        if (m_worker) {
+            int i = -1;
+            if ((i = s.indexOf("<DC-VERSION>")) != -1) {
+                s = s.mid(i+12).trimmed();
+                if ((i = s.indexOf("\"")) != -1) {
+                    s = s.mid(i+1);
+                    if ((i = s.indexOf("\"")) != -1) {
+                        s = s.mid(0, i).trimmed();
+                    }
+                }
+                emit m_worker->showDcDownload(s);
+            } else
+            if ((i = s.indexOf("<DC-PROGRESS>")) != -1) {
+                bool ok;
+                int v = s.mid(i+13).trimmed().toInt(&ok);
+                if (ok) {
+                    emit m_worker->setDcDownloadProgress(v);
+                    emit m_worker->insertText(s.mid(0,i) + "\n");
+                }
+            } else
+            if ((i = s.indexOf("<DC-UPDATE-FINISH>")) != -1) {
+                m_worker->summary();
+                // qApp->exit(0);
+            } else
+            if ((i = s.indexOf("<DC-UPDATE-SUCCESS>")) != -1) {
+                m_worker->summary();
+            } else
+            if ((i = s.indexOf("<DC-UPDATE-FAILURE>")) != -1) {
+                m_worker->summary();
+                //qApp->exit(-1);
+            } else
+            if ((i = s.indexOf("<JS-PROGRESS>")) != -1) {
+                bool ok;
+                int v = s.mid(i+13).trimmed().toInt(&ok);
+                if (ok) {
+                    emit m_worker->setDcDownloadProgress(v);
+                    emit m_worker->insertText(s.mid(0,i) + "\n");
+                }
+            } else {
+                emit m_worker->insertText(s);
+            }
+        }
+        m_commandResult += s;
+    }
 }
 
 void Command::readyReadStandardError() {
     QProcess *p = (QProcess *)sender();
-    QByteArray buf = p->readAllStandardError();
-    qCritical() << buf;
+    if (p) {
+        QByteArray buf = p->readAllStandardError();
+        qCritical() << buf;
+    }
 }
 
+// TODO: nach UpdateCommands ziehen
 void Command::finished(int /*exitCode*/, QProcess::ExitStatus /*exitStatus*/) {
     QProcess *p = (QProcess *)sender();
     // read all remaining data sent to the process, just in case
     QString d = p->readAllStandardOutput();
     if (!d.isEmpty()) {
+        QMutexLocker locker(&m_mtx);
         m_commandResult += d;
     }
     disconnect(p, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(readyReadStandardOutput()));
     disconnect(p, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(readyReadStandardError()));
+    disconnect(p, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(finished(int,QProcess::ExitStatus)));
+
+    //if (m_command.contains("ATBDownloadDCJsonFiles")) {
+    //    m_worker->dcUpdate();
+    //}
+}
+
+// TODO: nach UpdateCommand ziehen
+bool Command::start(QString workingDirectory, QStringList args) {
+    if (!QDir::setCurrent(workingDirectory)) {
+        qCritical() << "SET WORKING_DIRECTORY" << workingDirectory
+                    << "FAILED FOR" << m_command;
+        return false;
+    }
+    if (m_p != nullptr) {
+        delete m_p;
+    }
+
+    qCritical() << "COMMAND" << m_command << workingDirectory << args;
+
+    m_p = new QProcess(this);
+    m_p->setWorkingDirectory(workingDirectory);
+    m_p->setProcessChannelMode(QProcess::MergedChannels);
+
+    connect(m_p, SIGNAL(readyReadStandardOutput()), this, SLOT(readyReadStandardOutput()));
+    connect(m_p, SIGNAL(readyReadStandardError()), this, SLOT(readyReadStandardError()));
+    connect(m_p, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(finished(int,QProcess::ExitStatus)));
+
+    if (!args.isEmpty()) {
+        m_p->start(m_command, args);
+    } else {
+        m_p->start(m_command);
+    }
+
+    return m_p->waitForStarted(m_waitForStartTimeout);
 }
 
 bool Command::execute(QString workingDirectory, QStringList args) {
@@ -57,21 +158,21 @@ bool Command::execute(QString workingDirectory, QStringList args) {
     connect(&(*p), SIGNAL(readyReadStandardError()), this, SLOT(readyReadStandardError()));
 
     if (!args.isEmpty()) {
-        qDebug() << "START COMMAND" << m_command << "WITH ARGS" << args
-                 << "IN" << p->workingDirectory();
+        //qDebug() << "START COMMAND" << m_command << "WITH ARGS" << args
+        //         << "IN" << p->workingDirectory();
         p->start(m_command, args);
     } else {
-        qDebug() << "START COMMAND" << m_command
-                 << "IN" << p->workingDirectory();
+        //qDebug() << "START COMMAND" << m_command
+        //         << "IN" << p->workingDirectory();
         p->start(m_command);
     }
 
     qint64 const start = QDateTime::currentDateTime().toMSecsSinceEpoch();
 
     if (p->waitForStarted(m_waitForStartTimeout)) {
-        qDebug() << "PROCESS" << m_command << "STARTED IN" << p->workingDirectory();
+        // qDebug() << "PROCESS" << m_command << "STARTED IN" << p->workingDirectory();
         if (p->state() == QProcess::ProcessState::Running) {
-            qDebug() << "PROCESS" << m_command << "RUNNING IN" << p->workingDirectory();
+            // qDebug() << "PROCESS" << m_command << "RUNNING IN" << p->workingDirectory();
             // wait forever for git/opkg-commands to finish
             int wait = m_waitForFinishTimeout;
             if (m_command.trimmed().startsWith("git", Qt::CaseInsensitive) ||
@@ -80,7 +181,7 @@ bool Command::execute(QString workingDirectory, QStringList args) {
             }
             bool const no_timeout = p->waitForFinished(wait);
             if (no_timeout) {
-                qDebug() << "PROCESS" << m_command << "FINISHED IN" << p->workingDirectory();
+                // qDebug() << "PROCESS" << m_command << "FINISHED IN" << p->workingDirectory();
                 if (p->exitStatus() == QProcess::NormalExit) {
                     if ((m_exitCode = p->exitCode()) == 0) {
                         qint64 const end = QDateTime::currentDateTime().toMSecsSinceEpoch();

UpdatePTUDevCtrl/process/command.h

@@ -1,35 +1,55 @@
 #ifndef COMMAND_H_INCLUDED
 #define COMMAND_H_INCLUDED
-#endif // COMMAND_H_INCLUDED
 
 #include <QObject>
 #include <QCoreApplication>
 #include <QString>
 #include <QStringList>
 #include <QProcess>
+#include <QMutex>
 
-
+class Worker;
 class Command : public QObject {
     Q_OBJECT
 
+protected:
     QString m_command;
-    QString m_commandResult;
+    mutable QString m_commandResult;
+
+private:
     int m_waitForStartTimeout;
     int m_waitForFinishTimeout;
     int m_exitCode;
+
+protected:
+    mutable QMutex m_mtx;
+
+private:
+    QProcess *m_p;
+
+protected:
+    Worker *m_worker;
+
 public:
     explicit Command(QString const &command,
                      int start_timeout = 100000,
                      int finish_timeout = 100000);
 
-    QString getCommandResult() const;
+    QString getCommandResult(bool reset = false) const;
     QString command() const { return m_command; }
 
     bool execute(QString workingDirectory, QStringList args = QStringList());
+    bool start(QString workingDirectory, QStringList args = QStringList());
     int exitCode() const { return m_exitCode; }
 
-private slots:
-    void readyReadStandardOutput();
-    void readyReadStandardError();
-    void finished(int exitCode, QProcess::ExitStatus exitStatus);
+    void setWorker(Worker *worker) {m_worker = worker; }
+    Worker const *worker() const { return m_worker; }
+    Worker *worker() { return m_worker; }
+
+protected slots:
+    virtual void readyReadStandardOutput();
+    virtual void readyReadStandardError();
+    virtual void finished(int exitCode, QProcess::ExitStatus exitStatus);
 };
+
+#endif // COMMAND_H_INCLUDED

UpdatePTUDevCtrl/process/exec_opkg_command.cpp

@@ -0,0 +1,85 @@
+#include "process/exec_opkg_command.h"
+#include "worker.h"
+#include "utils_internal.h"
+
+#include <QStringList>
+
+ExecOpkgCommand::ExecOpkgCommand(QString const &command,
+                                 Worker *worker,
+                                 int nextCommandIndex,
+                                 bool noaction,
+                                 int start_timeout,
+                                 int finish_timeout)
+  : UpdateCommand(command, worker, nextCommandIndex, start_timeout, finish_timeout)
+  , m_noaction(noaction)
+  , m_ok_count{0}
+  , m_fail_count{0} {
+}
+
+void ExecOpkgCommand::finished(int exitCode, QProcess::ExitStatus exitStatus) {
+    QProcess *p = (QProcess *)sender();
+    if (p) {
+        Worker *w = worker();
+        if (w) {
+            if (m_fail_count == 0 && m_ok_count > 0) {
+                emit w->showExecOpkgOverallResult(internal::EXEC_OPKG_COMMANDS_SUCCESS, m_noaction);
+            } else
+            if (m_ok_count == 0 && m_fail_count > 0) {
+                emit w->showExecOpkgOverallResult(internal::EXEC_OPKG_COMMANDS_FAIL, m_noaction);
+            } else {
+                // TODO
+                emit w->showExecOpkgOverallResult(internal::EXEC_OPKG_COMMANDS_SUCCESS, m_noaction);
+            }
+        }
+    }
+    return UpdateCommand::finished(exitCode, exitStatus);
+}
+
+void ExecOpkgCommand::readyReadStandardOutput() {
+    QProcess *p = (QProcess *)sender();
+    if (p) {
+        Worker *w = worker();
+        if (w) {
+            QString s = p->readAllStandardOutput().trimmed();
+            if (!s.isEmpty()) {
+                m_standardOutput += s.replace(QChar('\n'), "");
+
+                // the command lines in etc/psa_update/opkg_commands are
+                // separated by "<OPKG>" markers. Note that the file opkg_commands
+                // itself is *not* changed, of course.
+
+                int startIndex, endIndex{};
+                while (((startIndex = m_standardOutput.indexOf(internal::OPKG_MARKER)) == 0) &&
+                       ((endIndex = m_standardOutput.indexOf(internal::OPKG_MARKER, 1)) != -1)) {
+
+                    QString result = m_standardOutput.mid(0, endIndex).mid(6);
+                    m_standardOutput = m_standardOutput.mid(endIndex);
+
+                    if (!s.isEmpty()) {
+                        QStringList const lst = result.split(u' ', QString::SkipEmptyParts);
+
+                        if (lst.size() >= 2) {
+                            if (lst.last() == "ok") {
+                                m_ok_count += 1;
+                                if (lst.contains("noaction")) {
+                                    emit w->showExecOpkgCommand(result);
+                                } else {
+                                    emit w->showExecOpkgCommand(result);
+                                }
+                            } else {
+                                m_fail_count += 1;
+                                if (lst.contains("noaction")) {
+                                    emit w->showExecOpkgCommand(result);
+                                } else {
+                                    emit w->showExecOpkgCommand(result);
+                                }
+                            }
+                        } else {
+                            emit w->showExecOpkgCommand(result);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

UpdatePTUDevCtrl/process/exec_opkg_command.h

@@ -0,0 +1,24 @@
+#ifndef EXEC_OPKG_COMMAND_H_INCLUDED
+#define EXEC_OPKG_COMMAND_H_INCLUDED
+
+
+#include "update_command.h"
+
+class ExecOpkgCommand : public UpdateCommand {
+    bool m_noaction{false};
+    QString m_standardOutput{};
+    int m_ok_count{};
+    int m_fail_count{};
+public:
+    explicit ExecOpkgCommand(QString const &command,
+                             Worker *worker,
+                             int nextCommandIndex,
+                             bool noaction,
+                             int start_timeout = 100000,
+                             int finish_timeout = 100000);
+public slots:
+    virtual void readyReadStandardOutput() override;
+    virtual void finished(int exitCode, QProcess::ExitStatus exitStatus) override;
+};
+
+#endif // EXEC_OPKG_COMMAND_H_INCLUDED

UpdatePTUDevCtrl/process/show_software_status_command.cpp

@@ -0,0 +1,29 @@
+#include "process/show_software_status_command.h"
+#include "worker.h"
+
+
+ShowSoftwareStatusCommand::ShowSoftwareStatusCommand(QString const &command,
+                                                     Worker *worker,
+                                                     int nextCommandIndex,
+                                                     int start_timeout,
+                                                     int finish_timeout)
+  : UpdateCommand(command, worker, nextCommandIndex, start_timeout, finish_timeout) {
+}
+
+void ShowSoftwareStatusCommand::finished(int exitCode, QProcess::ExitStatus exitStatus) {
+    return UpdateCommand::finished(exitCode, exitStatus);
+}
+
+void ShowSoftwareStatusCommand::readyReadStandardOutput() {
+    //QProcess *p = (QProcess *)sender();
+    //if (p) {
+    //    QString s = p->readAllStandardOutput();
+    //
+        // TODO
+        // Worker *w = worker();
+        //if (w) {
+    // static constexpr const char *EXEC_OPKG_COMMANDS_SUCCESS{"success"};
+    //        emit w->showExecOpkgStatus(UpdateCommand::EXEC_OPKG_COMMANDS_SUCCESS);
+    //    }
+    //}
+}

UpdatePTUDevCtrl/process/show_software_status_command.h

@@ -0,0 +1,17 @@
+#ifndef SHOW_SOFTWARE_STATUS_COMMAND_H_INCLUDED
+#define SHOW_SOFTWARE_STATUS_COMMAND_H_INCLUDED
+
+#include "update_command.h"
+
+class ShowSoftwareStatusCommand : public UpdateCommand {
+public:
+    explicit ShowSoftwareStatusCommand(QString const &command,
+                                       Worker *worker,
+                                       int nextCommandIndex,
+                                       int start_timeout = 100000,
+                                       int finish_timeout = 100000);
+public slots:
+    virtual void readyReadStandardOutput() override;
+    virtual void finished(int exitCode, QProcess::ExitStatus exitStatus) override;
+};
+#endif // SHOW_SOFTWARE_STATUS_COMMAND_H_INCLUDED

UpdatePTUDevCtrl/process/update_command.cpp

@@ -0,0 +1,136 @@
+#include "update_command.h"
+#include "worker.h"
+#include "utils_internal.h"
+
+#include <QDebug>
+#include <QProcess>
+
+UpdateCommand::UpdateCommand(QString const &command,
+                             Worker *worker,
+                             int nextCommandIndex,
+                             int start_timeout,
+                             int finish_timeout)
+  : Command(command, start_timeout, finish_timeout)
+  , m_nextCommandIndex(nextCommandIndex) {
+    setWorker(worker);
+}
+
+bool UpdateCommand::stopUpdateOnFailure() {
+    return true;
+}
+
+void UpdateCommand::finished(int exitCode, QProcess::ExitStatus exitStatus) {
+    QProcess *p = qobject_cast<QProcess *>(sender());
+    if (p) {
+        // read all remaining data sent to the process, just in case
+        QString s = p->readAllStandardOutput().trimmed();
+        if (!s.isEmpty()) {
+            m_commandResult += s;
+        }
+
+        disconnect(p, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(readyReadStandardOutput()));
+        disconnect(p, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(readyReadStandardError()));
+        disconnect(p, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(finished(int,QProcess::ExitStatus)));
+    }
+
+    if (!m_worker->workList().empty()) {
+
+        //static constexpr const int PERCENT_CHECK_ISMAS_CONNECIVITY{10};
+        //static constexpr const int PERCENT_CHECK_UPDATE_REQUEST{20};
+        //static constexpr const int PERCENT_CHECK_CUSTOMER_REPOSITORY{30};
+        //static constexpr const int PERCENT_INSTALL_SW_PACKETS_NOACTION{40};
+        //static constexpr const int PERCENT_INSTALL_SW_PACKETS{50};
+        //static constexpr const int PERCENT_INSTALL_DC_CONFIGURATION{60};
+        //static constexpr const int PERCENT_SYNCHRONIZE_REPO_AND_FILESYS{70};
+        //static constexpr const int PERCENT_UPDATE_DC{80};
+        //static constexpr const int PERCENT_SHOW_FINAL_STATUS{90};
+
+        qCritical() << __func__ << ":" << __LINE__ << m_command
+                    << "exitCode" << exitCode
+                    << "exitStatus" << exitStatus;
+
+        if (exitCode == 0 && exitStatus == QProcess::ExitStatus::NormalExit) {
+            if (m_command.contains("ATBUpdateCheck")) {
+
+                // TODO: resultCodes richtig eintragen
+
+                if (m_command.contains("--ismas-connected")) {
+                    ISMAS::EventData e(ISMAS::CONTINUE,
+                                       internal::PERCENT_CHECK_ISMAS_CONNECIVITY,
+                                       0,
+                                       "ATBUpdateCheck --ismas-connected",
+                                       "ISMAS connected");
+
+                    m_worker->clientForUpdate().sendCmdEvent(e);
+                } else
+                if (m_command.contains("--update-requested")) {
+                    ISMAS::EventData e(ISMAS::CONTINUE,
+                                       internal::PERCENT_CHECK_UPDATE_REQUEST,
+                                       0,
+                                       "ATBUpdateCheck --update-requested",
+                                       "update not necessary");
+                    m_worker->clientForUpdate().sendCmdEvent(e);
+                }
+            } else
+            if (m_command.contains("ATBUpdateGit")) {
+                ISMAS::EventData e(ISMAS::CONTINUE,
+                                   internal::PERCENT_CHECK_CUSTOMER_REPOSITORY,
+                                   0,
+                                   "ATBUpdateGit",
+                                   "customer repository clean and up-to-date");
+                m_worker->clientForUpdate().sendCmdEvent(e);
+            } else
+            if (m_command.contains("ATBUpdateOpkg")) {
+                if (m_command.contains("--noaction")) {
+                    ISMAS::EventData e(ISMAS::CONTINUE,
+                                       internal::PERCENT_INSTALL_SW_PACKETS_NOACTION,
+                                       0,
+                                       "ATBUpdateOpkg --noaction",
+                                       "execute opkg-commands (dry-run)");
+                    m_worker->clientForUpdate().sendCmdEvent(e);
+                } else {
+                    ISMAS::EventData e(ISMAS::CONTINUE,
+                                       internal::PERCENT_INSTALL_SW_PACKETS,
+                                       0,
+                                       "ATBUpdateOpkg",
+                                       "execute opkg-commands");
+                    m_worker->clientForUpdate().sendCmdEvent(e);
+                }
+            } else
+            if (m_command.contains("ATBDownloadDCJsonFiles")) {
+                ISMAS::EventData e(ISMAS::CONTINUE,
+                                   internal::PERCENT_INSTALL_DC_CONFIGURATION,
+                                   0,
+                                   "ATBDownloadDCJsonFiles",
+                                   "download json-files to device controller");
+                m_worker->clientForUpdate().sendCmdEvent(e);
+            } else
+            if (m_command.contains("ATBUpdateSync")) {
+                ISMAS::EventData e(ISMAS::CONTINUE,
+                                   internal::PERCENT_SYNCHRONIZE_REPO_AND_FILESYS,
+                                   0,
+                                   "ATBUpdateSync",
+                                   "sync customer repository with /etc");
+                m_worker->clientForUpdate().sendCmdEvent(e);
+            } else
+            if (m_command.contains("ATBDownloadDCFirmware")) {
+                ISMAS::EventData e(ISMAS::CONTINUE,
+                                   internal::PERCENT_UPDATE_DC,
+                                   0,
+                                   "ATBDownloadDCFirmware",
+                                   "downloaded new dc-firmware. about to reboot...");
+                m_worker->clientForUpdate().sendCmdEvent(e);
+            } else
+            if (m_command.contains("ATBUpdateShowPSAInstalled")) {
+                // TODO
+            }
+
+            if (m_worker->workList().nextExec()) {
+                m_worker->workList().exec();
+            }
+        } else {
+            bool execShowStatus = true;
+            m_worker->workList().exec(execShowStatus);
+        }
+    }
+}

UpdatePTUDevCtrl/process/update_command.h

@@ -0,0 +1,38 @@
+#ifndef UPDATE_COMMAND_H_INCLUDED
+#define UPDATE_COMMAND_H_INCLUDED
+
+#include "process/command.h"
+
+class Worker;
+class UpdateCommand : public Command {
+    int m_nextCommandIndex{0};
+public:
+
+    static constexpr const char *UPDATE_NOT_NECESSARY{"not necessary"};
+    static constexpr const char *UPDATE_NOT_REQUESTED{"not requested"};
+    static constexpr const char *UPDATE_REQUESTED{"requested"};
+    static constexpr const char *NO_CUSTOMER_REPOSITORY{"no customer repository"};
+    static constexpr const char *ISMAS_CONNECTED{"connected"};
+    static constexpr const char *ISMAS_NOT_CONNECTED{"not connected"};
+    static constexpr const char *ISMAS_CONNECTION_IN_PROGRESS{"connecting"};
+    static constexpr const char *GIT_CUSTOMER_REPO_UP_TO_DATE{"up to date"};
+    static constexpr const char *EXEC_OPKG_COMMANDS_SUCCESS{"success"};
+    static constexpr const char *UPDATE_DC_JSON_FILES_SUCCESS{"success"};
+    static constexpr const char *SYNC_CUSTOMER_REPO_FILES_SUCCESS{"success"};
+    static constexpr const char *UPDATE_DC_FIRMARE_SUCCESS{"success"};
+
+    explicit UpdateCommand(QString const &command,
+                           Worker *worker,
+                           int nextCommandIndex,
+                           int start_timeout = 100000,
+                           int finish_timeout = 100000);
+
+    int nextCommandIndex() { return m_nextCommandIndex; }
+
+    virtual bool stopUpdateOnFailure();
+
+public slots:
+    virtual void finished(int exitCode, QProcess::ExitStatus exitStatus) override;
+};
+
+#endif // UPDATE_COMMAND_H_INCLUDED

UpdatePTUDevCtrl/process/update_dc_command.cpp

@@ -0,0 +1,28 @@
+#include "process/update_dc_command.h"
+#include "worker.h"
+
+UpdateDCCommand::UpdateDCCommand(QString const &command,
+                                 Worker *worker,
+                                 int nextCommandIndex,
+                                 int start_timeout,
+                                 int finish_timeout)
+  : UpdateCommand(command, worker, nextCommandIndex, start_timeout, finish_timeout) {
+}
+
+void UpdateDCCommand::finished(int exitCode, QProcess::ExitStatus exitStatus) {
+    return UpdateCommand::finished(exitCode, exitStatus);
+}
+
+void UpdateDCCommand::readyReadStandardOutput() {
+    QProcess *p = (QProcess *)sender();
+    if (p) {
+        QString s = p->readAllStandardOutput();
+
+        // TODO
+        Worker *w = worker();
+        if (w) {
+    // static constexpr const char *UPDATE_DC_FIRMARE_SUCCESS"success"};
+            emit w->showUpdateDCFirmware(UpdateCommand::UPDATE_DC_FIRMARE_SUCCESS);
+        }
+    }
+}

UpdatePTUDevCtrl/process/update_dc_command.h

@@ -0,0 +1,18 @@
+#ifndef UPDATE_DC_COMMAND_H_INCLUDED
+#define UPDATE_DC_COMMAND_H_INCLUDED
+
+#include "update_command.h"
+
+class UpdateDCCommand : public UpdateCommand {
+public:
+    explicit UpdateDCCommand(QString const &command,
+                             Worker *worker,
+                             int nextCommandIndex,
+                             int start_timeout = 100000,
+                             int finish_timeout = 100000);
+public slots:
+    virtual void readyReadStandardOutput() override;
+    virtual void finished(int exitCode, QProcess::ExitStatus exitStatus) override;
+};
+
+#endif // UPDATE_DC_COMMAND_H_INCLUDED

UpdatePTUDevCtrl/process/update_filesystem_command.cpp

@@ -0,0 +1,28 @@
+#include "process/update_filesystem_command.h"
+#include "worker.h"
+
+UpdateFileSystemCommand::UpdateFileSystemCommand(QString const &command,
+                                                 Worker *worker,
+                                                 int nextCommandIndex,
+                                                 int start_timeout,
+                                                 int finish_timeout)
+  : UpdateCommand(command, worker, nextCommandIndex, start_timeout, finish_timeout) {
+}
+
+void UpdateFileSystemCommand::finished(int exitCode, QProcess::ExitStatus exitStatus) {
+    return UpdateCommand::finished(exitCode, exitStatus);
+}
+
+void UpdateFileSystemCommand::readyReadStandardOutput() {
+    QProcess *p = (QProcess *)sender();
+    if (p) {
+        QString s = p->readAllStandardOutput();
+
+        // TODO
+        Worker *w = worker();
+        if (w) {
+    // static constexpr const char *SYNC_CUSTOMER_REPO_FILES_SUCCESS{"success"};
+            emit w->showSyncCustRepoStatus(UpdateCommand::SYNC_CUSTOMER_REPO_FILES_SUCCESS);
+        }
+    }
+}

UpdatePTUDevCtrl/process/update_filesystem_command.h

@@ -0,0 +1,18 @@
+#ifndef UPDATE_FS_COMMAND_H_INCLUDED
+#define UPDATE_FS_COMMAND_H_INCLUDED
+
+#include "update_command.h"
+
+class UpdateFileSystemCommand : public UpdateCommand {
+public:
+    explicit UpdateFileSystemCommand(QString const &command,
+                                     Worker *worker,
+                                     int nextCommandIndex,
+                                     int start_timeout = 100000,
+                                     int finish_timeout = 100000);
+public slots:
+    virtual void readyReadStandardOutput() override;
+    virtual void finished(int exitCode, QProcess::ExitStatus exitStatus) override;
+};
+
+#endif // UPDATE_FS_COMMAND_H_INCLUDED

UpdatePTUDevCtrl/process/update_json_command.cpp

@@ -0,0 +1,29 @@
+#include "process/update_json_command.h"
+#include "worker.h"
+
+#include <QDebug>
+
+
+UpdateJsonCommand::UpdateJsonCommand(QString const &command,
+                                     Worker *worker,
+                                     int nextCommandIndex,
+                                     int start_timeout,
+                                     int finish_timeout)
+  : UpdateCommand(command, worker, nextCommandIndex, start_timeout, finish_timeout) {
+}
+
+
+void UpdateJsonCommand::finished(int exitCode, QProcess::ExitStatus exitStatus) {
+    return UpdateCommand::finished(exitCode, exitStatus);
+}
+
+void UpdateJsonCommand::readyReadStandardOutput() {
+    QProcess *p = (QProcess *)sender();
+    if (p) {
+        QString s = p->readAllStandardOutput();
+        // qCritical() << __func__ << ":" << __LINE__ << s;
+
+    // static constexpr const char *UPDATE_DC_JSON_FILES_SUCCESS{"success"};
+        emit m_worker->showDownloadDCJsonFilesStatus(UpdateCommand::UPDATE_DC_JSON_FILES_SUCCESS);
+    }
+}

UpdatePTUDevCtrl/process/update_json_command.h

@@ -0,0 +1,18 @@
+#ifndef UPDATE_JSON_COMMAND_H_INCLUDED
+#define UPDATE_JSON_COMMAND_H_INCLUDED
+
+#include "process/update_command.h"
+
+class UpdateJsonCommand : public UpdateCommand {
+public:
+    explicit UpdateJsonCommand(QString const &command,
+                               Worker *worker,
+                               int nextCommandIndex,
+                               int start_timeout = 100000,
+                               int finish_timeout = 100000);
+public slots:
+    virtual void readyReadStandardOutput() override;
+    virtual void finished(int exitCode, QProcess::ExitStatus exitStatus) override;
+};
+
+#endif // UPDATE_JSON_HANDLER_H_INCLUDED

UpdatePTUDevCtrl/update.cpp

@@ -52,7 +52,6 @@ hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
                 qCritical() << "in directory" << plugInDir.absolutePath();
                 qCritical() << "cannot load plugin" << pluginLoader.fileName();
                 qCritical() << pluginLoader.errorString();
-                exit(-1);
             }
 
             qCritical() << "loadDCPlugin() plugin directory:" << plugInDir.absolutePath();
@@ -60,25 +59,20 @@ hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
 
             if (!pluginLoader.isLoaded()) {
                 qCritical() << pluginLoader.errorString();
-                exit(-2);
             }
             QObject *plugin = pluginLoader.instance();
             if (!plugin) {
                 qCritical() << "cannot start instance";
-                exit(-3);
             }
             if (! (hw = qobject_cast<hwinf *>(plugin))) {
                 qCritical() << "cannot cast plugin" << plugin << "to hwinf";
-                exit(-4);
             }
         } else {
             qCritical() << pluginLibName << "does not exist";
-            exit(-5);
         }
     } else {
         qCritical() << "plugins directory" << plugInDir.absolutePath()
                     << "does not exist";
-        exit(-6);
     }
     return hw;
 }
@@ -111,7 +105,6 @@ Update::Update(Worker *worker,
                char const *serialInterface,
                char const *baudrate)
     : QObject(parent)
-    , m_hw(loadDCPlugin(QDir(plugInDir), pluginName))
     , m_worker(worker)
     , m_serialInterface(serialInterface)
     , m_baudrate(baudrate)
@@ -122,54 +115,6 @@ Update::Update(Worker *worker,
     , m_workingDir(workingDir)
     , m_dryRun(dryRun)
     , m_sys_areDCdataValid(false) {
-
-    if (!m_hw) {
-        qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_hw == nullptr -> ca-slave plugin loaded ???";
-    } else {
-        int tries = 20;
-        while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
-            // must deliver 'true', only then are all data from hwapi valid
-            if (--tries < 0) {
-                qCritical() << "ERROR!!! DC DATA NOT VALID -> CA-MASTER-PLUGIN NOT CONNECTED";
-                break;
-            }
-            m_hw->dc_autoRequest(true);
-            QThread::msleep(500);
-        }
-
-        qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_sys_areDCDataValid ..."
-                    << m_sys_areDCdataValid;
-
-#if 0
-        QObject const *obj = m_hw->getAPI();
-        Q_ASSERT(obj != nullptr);
-
-        QDebug critical = qCritical();
-        critical << "connect() to onReportDCDownloadStatus() ...";
-        if (!connect(obj,
-                     SIGNAL(hwapi_reportDCDownloadStatus(QString const&)),
-                     this,
-                     SLOT(onReportDCDownloadStatus(QString const &)))) {
-            critical << "FAILED";
-        } else critical << "DONE";
-
-        critical = qCritical();
-        critical << "connect() to onReportDCDownloadSuccess() ...";
-        if (!connect(obj,
-            SIGNAL(hwapi_reportDCDownloadSuccess(QString const&)), this,
-            SLOT(onReportDCDownloadSuccess(QString const &)))) {
-            critical << "FAILED";
-        } else critical << "DONE";
-
-        critical = qCritical();
-        critical << "connect() to onReportDCDownloadFailure() ...";
-        if (!connect(obj,
-            SIGNAL(hwapi_reportDCDownloadFailure(QString const &)), this,
-            SLOT(onReportDCDownloadFailure(QString const &)))) {
-            critical << "FAILED";
-        } else critical << "DONE";
-#endif
-    }
 }
 
 Update::~Update() {
@@ -187,39 +132,6 @@ void Update::onReportDCDownloadFailure(QString const &errorMsg) {
     qCritical() << "msg" << errorMsg;
 }
 
-
-
-// br is a index into a table, used for historical reasons.
-bool Update::openSerial(int br, QString baudrate, QString comPort) const {
-    qDebug() << "opening serial" << br << baudrate << comPort << "...";
-    if (m_hw->dc_openSerial(br, baudrate, comPort, 1) == true) { // 1 for connect
-        Utils::printInfoMsg(
-            QString("OPENING SERIAL %1").arg(br)
-                  + " " + baudrate + " " + comPort + "...OK");
-
-        // m_hw->dc_autoRequest(true);
-        m_hw->dc_autoRequest(false);
-        QThread::sleep(1);
-
-        Utils::printInfoMsg(QString("IS PORT OPEN %1").arg(m_hw->dc_isPortOpen()));
-        return true;
-    }
-
-    Utils::printCriticalErrorMsg(
-        QString("OPENING SERIAL %1").arg(br)
-              + " " + baudrate + " " + comPort + "...FAILED");
-    return false;
-}
-
-void Update::closeSerial() const {
-    qInfo() << "CLOSED SERIAL" << m_baudrate << m_serialInterface;
-    m_hw->dc_closeSerial();
-}
-
-bool Update::isSerialOpen() const {
-    return m_hw->dc_isPortOpen();
-}
-
 /*
 
  ///////////////////////////////////////////////////////////////////////////////
@@ -304,213 +216,143 @@ bool Update::isSerialOpen() const {
                         // bootloader is really not running anymore.
  */
 bool Update::updateBinary(QString const &fileToSendToDC) {
-    qInfo() << "UPDATING DEVICE CONTROLLER FIRMWARE BINARY" << fileToSendToDC;
+
+    QFile dc("/opt/app/tools/atbupdate/ATBDownloadDCFirmware");
+    if (dc.exists()) {
+        qCritical() << "ERROR: dc-binary does not exist" << fileToSendToDC;
+        return false;
+    }
+
+    qInfo() << "updating dc-binary" << fileToSendToDC << "...";
 
     return false;
-
-#if 0
-    QFile fn(fileToSendToDC);
-    if (!fn.exists()) {
-        // output via CONSOLE() etc
-        return false;
-    }
-
-    bool bl_isUp = false;
-    if (m_hw->bl_completeStart()) {
-        int cnt = 5;
-        while (--cnt > 0) {
-            if (m_hw->bl_isUp()) {
-                bl_isUp = true;
-                break;
-            }
-        }
-    }
-
-    if (!bl_isUp) {
-        return false;
-    }
-
-    if (!m_hw->bl_storeFirmware(fileToSendToDC)) {
-        m_hw->bl_stopBL();
-        return false;
-    }
-
-    uint16_t const nrOfFirmwareBlocks = m_hw->bl_getNrOfFirmwareBlocks();
-
-    for (uint16_t blockNr = 0; blockNr <= nrOfFirmwareBlocks; ++blockNr) {
-        m_hw->bl_blockAutoLoad(blockNr);
-
-        int sleepTime = 0;
-        while (1) {
-            if (sleepTime > 1500) {
-                m_hw->bl_stopBL();
-                return false;
-            }
-
-            int8_t const r = m_hw->bl_blockAutoResponse();
-
-            // after every "bl_blockAutoLoad()" call this until response
-            // retval  0: wait   1: OK, blk was sent    2: OK, transfer complete
-            //         3: error despite repeating, cancel. probably bin file corrupted
-            //      Max duration: 3x no response from BL = 900ms
-
-            switch(r) {
-            case 1:
-            /* fall through */
-            case 2:
-                sleepTime = 0;
-                break;
-            case 0: {
-                QThread::msleep(100);
-                sleepTime += 100;
-            } break;
-            case 3:
-                m_hw->bl_stopBL();
-                return false;
-            default:
-                m_hw->bl_stopBL();
-                return false; // unknown error code
-            }
-        }
-
-        m_hw->bl_stopBL();
-    }
-
-    return true;
-#endif
-}
-
-QString Update::jsonType(enum FileTypeJson type) {
-    switch (type) {
-    case FileTypeJson::CASH: return "CASH";
-    case FileTypeJson::CONFIG: return "CONFIG";
-    case FileTypeJson::PRINTER: return "PRINTER";
-    case FileTypeJson::SERIAL: return "SERIAL";
-    case FileTypeJson::DEVICE: return "DEVICE";
-    case FileTypeJson::TIME: return "TIME";
-    }
-    return "N/A";
 }
 
 bool Update::downloadJson(enum FileTypeJson type,
                           int templateIdx,
                           QString jsFileToSendToDC) const {
 
-    m_hw->dc_autoRequest(true); // downloading Json needs the AutoEmission flag
-    qDebug() << "SET AUTO-REQUEST=TRUE";
-    QThread::sleep(1);  // make sure the auto-request flag is acknowledged
+#if 0
+    if (m_hw) {
+        m_hw->dc_autoRequest(true); // downloading Json needs the AutoEmission flag
+        qDebug() << "SET AUTO-REQUEST=TRUE";
+        QThread::sleep(1);  // make sure the auto-request flag is acknowledged
 
-    QStringList lst;
-    bool ready = false;
-    int nTry = 25;
-    while ((ready = m_hw->sys_ready4sending()) == false) {
-        QThread::msleep(200);
-        if (--nTry <= 0) {
-            QString msg("SYS NOT READY FOR SENDING AFTER 5 SECONDS");
-            Utils::printCriticalErrorMsg(msg);
-            lst << msg;
-
-            if (m_worker) {
-                m_worker->ISMAS(lst) << (m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
-            }
-            break;
-        }
-    }
-
-    bool ret = false;
-    QString msg;
-    lst.clear();
-    if (ready) {
-        QFile file(jsFileToSendToDC);
-        QFileInfo fi(jsFileToSendToDC); // max. size of template file is 800 bytes
-        if (file.exists()) {
-            if (file.open(QIODevice::ReadOnly)) {
-                if (fi.size() > 0 && fi.size() <= 800) {
-                    QByteArray ba = file.readAll();
-                    // kindOfFile: 1=config, 2=device, 3=cash, 4=serial, 5=time, 6=printer
-                    //      nrOfTemplate=1...32 if kindOfFile==6
-                    //      content = content of the Json file, max 800byte ascii signs
-                    if (m_hw->sys_sendJsonFileToDc((uint8_t)(type),
-                                                   templateIdx,
-                                                   (uint8_t *)ba.data())) {
-
-                        /*
-                         *  Note: the machine id is contained in DC2C_conf.json.
-                         *  The idea was to use this to check if the download of
-                         *  the json-file was correct. It did not work, as the
-                         *  update of the PSA (to reflect a change in the
-                         *  machine id) did not happen immediately.
-                         *
-                            m_hw->dc_autoRequest(true);
-                            QThread::msleep(500);
-
-                            // testing
-                            m_hw->request_ReadbackMachineID();
-                            QThread::msleep(500);
-
-                            uint8_t data[64];
-                            memset(data, 0x00, sizeof(data));
-                            uint8_t length = 0;
-
-                            m_hw->readback_machineIDdata(&length, data);
-
-                            QThread::msleep(500);
-
-                            QByteArray ba((const char*)data, length);
-
-                            qCritical() << length << "MACHINE ID =" << ba.toHex(':');
-                        */
-
-                        if (m_worker) {
-                            m_worker->ISMAS(lst) << (m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
-                        }
-
-                        ret = true;
-                    } else {
-                        msg = QString("ERROR SEND JSON-FILE %1 TO DC").arg(file.fileName());
-                        Utils::printCriticalErrorMsg(msg);
-                        lst << msg;
-                        if (m_worker) {
-                            m_worker->ISMAS(lst) <<  (m_worker->GUI(lst) << (m_worker->CONSOLE(lst)
-                                                 << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
-                        }
-                    }
-                } else {
-                    msg = QString("SIZE OF %1 TOO BIG (%2 BYTES)").arg(jsFileToSendToDC).arg(fi.size());
-                    Utils::printCriticalErrorMsg(msg);
-                    lst << msg;
-                    if (m_worker) {
-                        m_worker->ISMAS(lst) <<  (m_worker->GUI(lst) << (m_worker->CONSOLE(lst)
-                                             << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
-                    }
-                }
-            } else {
-                msg = QString("CAN NOT OPEN ") + jsFileToSendToDC + " FOR READING";
+        QStringList lst;
+        bool ready = false;
+        int nTry = 25;
+        while ((ready = m_hw->sys_ready4sending()) == false) {
+            QThread::msleep(200);
+            if (--nTry <= 0) {
+                QString msg("SYS NOT READY FOR SENDING AFTER 5 SECONDS");
                 Utils::printCriticalErrorMsg(msg);
                 lst << msg;
 
                 if (m_worker) {
-                    m_worker->ISMAS(lst) <<  (m_worker->GUI(lst) << (m_worker->CONSOLE(lst)
-                                         << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
+                    m_worker->ISMAS(lst) << (m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE));
                 }
-            }
-        } else {
-            msg = QString(jsFileToSendToDC) + " DOES NOT EXIST";
-            Utils::printCriticalErrorMsg(msg);
-            lst << msg;
-
-            if (m_worker) {
-                m_worker->ISMAS(lst) <<  (m_worker->GUI(lst) << (m_worker->CONSOLE(lst)
-                                     << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
+                break;
             }
         }
+
+        lst.clear();
+        if (ready) {
+            QString msg;
+            QFile file(jsFileToSendToDC);
+            QFileInfo fi(jsFileToSendToDC); // max. size of template file is 800 bytes
+            if (file.exists()) {
+                if (file.open(QIODevice::ReadOnly)) {
+                    if (fi.size() > 0 && fi.size() <= 800) {
+                        QByteArray ba = file.readAll();
+
+                        // kindOfFile: 1=config, 2=device, 3=cash, 4=serial, 5=time, 6=printer
+                        //      nrOfTemplate=1...32 if kindOfFile==6
+                        //      content = content of the Json file, max 800byte ascii signs
+
+                        // type == kindOfFile
+                        if (m_hw->sys_sendJsonFileToDc((uint8_t)(type),
+                                                       templateIdx,
+                                                       (uint8_t *)ba.data())) {
+
+                            /*
+                             *  Note: the machine id is contained in DC2C_conf.json.
+                             *  The idea was to use this to check if the download of
+                             *  the json-file was correct. It did not work, as the
+                             *  update of the PSA (to reflect a change in the
+                             *  machine id) did not happen immediately.
+                             *
+                                m_hw->dc_autoRequest(true);
+                                QThread::msleep(500);
+
+                                // testing
+                                m_hw->request_ReadbackMachineID();
+                                QThread::msleep(500);
+
+                                uint8_t data[64];
+                                memset(data, 0x00, sizeof(data));
+                                uint8_t length = 0;
+
+                                m_hw->readback_machineIDdata(&length, data);
+
+                                QThread::msleep(500);
+
+                                QByteArray ba((const char*)data, length);
+
+                                qCritical() << length << "MACHINE ID =" << ba.toHex(':');
+                            */
+
+                            if (m_worker) {
+                                lst.clear();
+                                if (templateIdx >= 1 && templateIdx <= 32) {
+                                    lst << QString("LOADED %1 (%2) TO DC").arg(fi.fileName()).arg(templateIdx);
+                                } else {
+                                    lst << QString("LOADED %1 (%2) TO DC").arg(fi.fileName()).arg((uint8_t)type);
+                                }
+                                m_worker->ISMAS(lst) << (m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE));
+                            }
+                        } else {
+                            msg = QString("ERROR SEND JSON-FILE %1 TO DC").arg(file.fileName());
+                            Utils::printCriticalErrorMsg(msg);
+                            lst << msg;
+                            if (m_worker) {
+                                m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE);
+                            }
+                        }
+                    } else {
+                        msg = QString("SIZE OF %1 TOO BIG (%2 BYTES)").arg(jsFileToSendToDC).arg(fi.size());
+                        Utils::printCriticalErrorMsg(msg);
+                        lst << msg;
+                        if (m_worker) {
+                            m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE);
+                        }
+                    }
+                } else {
+                    msg = QString("CAN NOT OPEN ") + jsFileToSendToDC + " FOR READING";
+                    Utils::printCriticalErrorMsg(msg);
+                    lst << msg;
+
+                    if (m_worker) {
+                        m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE);
+                    }
+                }
+            } else {
+                msg = QString(jsFileToSendToDC) + " DOES NOT EXIST";
+                Utils::printCriticalErrorMsg(msg);
+                lst << msg;
+
+                if (m_worker) {
+                    m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE);
+                }
+            }
+        }
+
+        // m_hw->dc_autoRequest(false);
+        // qDebug() << "SET AUTO-REQUEST=FALSE";
+        // QThread::sleep(1);  // make sure the auto-request flag is acknowledged
     }
 
-    m_hw->dc_autoRequest(false);
-    qDebug() << "SET AUTO-REQUEST=FALSE";
-    QThread::sleep(1);  // make sure the auto-request flag is acknowledged
-
-    return ret;
+#endif
+    return true;
 }
 
 bool Update::updatePrinterTemplate(int templateIdx, QString jsFile) const {
@@ -518,14 +360,18 @@ bool Update::updatePrinterTemplate(int templateIdx, QString jsFile) const {
 }
 
 bool Update::updateConfig(QString jsFile) {
+    // IMPORTANT: the JSON-file has a 'title'-line: the value MUST be 'DC2C_config'
     return downloadJson(FileTypeJson::CONFIG, 0, jsFile);
 }
 
 bool Update::updateCashConf(QString jsFile) {
+    // IMPORTANT: the JSON-file has a 'title'-line: the value MUST be 'DC2C_cash  '
+    // Note the twp spaces after DC2C_cash !!
     return downloadJson(FileTypeJson::CASH, 0, jsFile);
 }
 
 bool Update::updateDeviceConf(QString jsFile) {
+    // IMPORTANT: the JSON-file has a 'title'-line: the value MUST be 'DC2C_device'
     return downloadJson(FileTypeJson::DEVICE, 0, jsFile);
 }
 
@@ -564,117 +410,276 @@ void Update::finished(int /*exitCode*/, QProcess::ExitStatus /*exitStatus*/) {
 }
 
 QStringList Update::getDcSoftAndHardWareVersion() {
-    m_hw->dc_autoRequest(true);
-    QThread::sleep(1); // make sure the timer-slots are active
+#if 0
+    if (m_hw) {
+        m_hw->dc_autoRequest(true);
+        QThread::sleep(1); // make sure the timer-slots are active
 
-    for (int i=0; i < 3; ++i) { // send explicit reuests to get
-                                // current SW/HW-versions
-        m_hw->request_DC2_SWversion();
-        m_hw->request_DC2_HWversion();
-        QThread::sleep(1);
-    }
-
-    QString const &hwVersion = m_hw->dc_getHWversion().toLower().trimmed();
-    QString const &swVersion = m_hw->dc_getSWversion().toLower().trimmed();
-
-    m_hw->dc_autoRequest(false);
-    QThread::sleep(1); // make sure the timer-slots are inactive
-
-    if (!hwVersion.isEmpty() && !swVersion.isEmpty()) {
-        return QStringList() << hwVersion << swVersion;
+        for (int i=0; i < 3; ++i) { // send explicit reuests to get
+                                    // current SW/HW-versions
+            m_hw->request_DC2_SWversion();
+            m_hw->request_DC2_HWversion();
+            QThread::sleep(1);
+        }
+
+        QString const &hwVersion = m_hw->dc_getHWversion().toLower().trimmed();
+        QString const &swVersion = m_hw->dc_getSWversion().toLower().trimmed();
+
+        //m_hw->dc_autoRequest(false);
+        //QThread::sleep(1); // make sure the timer-slots are inactive
+
+        if (!hwVersion.isEmpty() && !swVersion.isEmpty()) {
+            return QStringList() << hwVersion << swVersion;
+        }
     }
 
+#endif
     return QStringList() << "DC HW-version not available"
                          << "DC SW-version not available";
 }
 
 QString Update::getFileVersion(QString const& jsonFileName) {
+    QString fileVersion("");
+#if 0
     // "version":"15.10.2023 14:55 02.00.06",
-    static const QRegularExpression re("^.*(\\\"version\\\":)(.*)$");
+    static const QRegularExpression re("^.*(\\\"[Vv]ersion\\\":)([\\s\\\"]{0,})([^,\\\"]{0,}).*$");
 
-    QString fileVersion;
-    QFile inputFile(jsonFileName);
-    if (inputFile.open(QIODevice::ReadOnly)) {
-       QTextStream in(&inputFile);
-       while (!in.atEnd()) {
-          QString line = in.readLine();
+    QFile inputFile(QDir::cleanPath(m_customerRepository + QDir::separator() + jsonFileName));
 
-          QRegularExpressionMatch match;
-          int idx = line.indexOf(re, 0, &match);
-          if (idx != -1) {
-              fileVersion = match.captured(match.lastCapturedIndex());
-              break;
-          }
-       }
-       inputFile.close();
+    if (inputFile.exists()) {
+        if (inputFile.open(QIODevice::ReadOnly)) {
+           QTextStream in(&inputFile);
+           while (!in.atEnd()) {
+              QString line = in.readLine();
+
+              QRegularExpressionMatch match;
+              int idx = line.indexOf(re, 0, &match);
+              if (idx != -1) {
+                  int const lastCaptured = match.lastCapturedIndex();
+                  // the dc only sends 16 Byte
+                  fileVersion = match.captured(lastCaptured);
+                  fileVersion.truncate(16);
+                  break;
+              }
+           }
+           inputFile.close();
+        }
+    } else {
+        // qCritical() << "ERROR" << inputFile.fileName() << "does not exist";
     }
 
+#endif
     return fileVersion;
 }
 
 bool Update::checkDownloadedJsonVersions(QStringList const& jsonFileNames) {
+#if 0
 
     for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
 
         uint8_t jsonNr = 0;
-        QFileInfo fInfo(jsonFileNames[i]);
 
-        if (fInfo.fileName().endsWith("conf.json")) {
+        QString const &fName = jsonFileNames[i];
+
+        // send one request for every single version
+        // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+        //      6=printer template 1 ..... 36= template 32
+
+        if (fName.endsWith("conf.json")) {
             jsonNr = 1;
         } else
-        if (fInfo.fileName().endsWith("device.json")) {
+        if (fName.endsWith("device.json")) {
             jsonNr = 2;
         } else
-        if (fInfo.fileName().endsWith("cash.json")) {
+        if (fName.endsWith("cash.json")) {
             jsonNr = 3;
         } else {
             QRegularExpressionMatch match;
             static const QRegularExpression re("^(.*print)([0-3][0-9])\\.json\\s*$");
-            int idx = fInfo.fileName().indexOf(re, 0, &match);
+            int idx = fName.indexOf(re, 0, &match);
             if (idx != -1) {
                 QString captured = match.captured(match.lastCapturedIndex());
                 bool ok = false;
                 int n = captured.toInt(&ok);
                 if (ok) {
-                    jsonNr = n + 4;
+                    // note: the '5' is correct
+                    jsonNr = n + 5;
                 }
             }
         }
 
         if (jsonNr != 0) {
-#if 0
+            // send one request for every single version
+            // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+            //      5=printer template 1 ..... 36= template 32
+
             m_hw->sys_requestJsonVersions(jsonNr);
             QThread::msleep(500);
 
             char buf[64];
             memset(buf, 0x00, sizeof(buf));
             m_hw->sys_getJsonVersions(jsonNr, buf);
-            buf[sizeof(buf)-1] = '\0';
+            buf[16] = '\0'; // the DC only handles 16 bytes
 
-            QString const installedVersion(buf);
+            static const QByteArray cb(16, (char)0xff);
+
+            QString const installedVersion(QString::fromStdString(buf));
             QString const fileVersion = getFileVersion(jsonFileNames[i]);
 
-            qCritical() << "installed version:" << installedVersion;
-            qCritical() << "     file version:" << fileVersion;
+            QFileInfo fi(jsonFileNames[i]);
+
+            qCritical() << endl;
+            qCritical() << "                json request nr:" << jsonNr;
 
             if (installedVersion == fileVersion) {
-
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+            } else
+            if (cb == QByteArray(buf) && fileVersion == "") {
+                qCritical() << "unknown json file (repo and DC):" << fi.fileName();
+            } else {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+                qCritical() << "     file version in repository:" << fileVersion;
             }
-#endif
 
         } else {
-            qCritical() << "CANNOT FIND JSON-NR FOR" << jsonFileNames[i];
+            qCritical() << "CANNOT FIND JSON-NR FOR" << fName;
         }
     }
 
+#endif
     return false;
 }
+
+QMap<QString, QString>
+Update::getInstalledJsonVersions(QStringList const& jsonFileNames) {
+    QMap<QString, QString> map;
+
+#if 0
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return map;
+    }
+
+    int tries = 20;
+    while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
+        // must deliver 'true', only then are all data from hwapi valid
+        if (--tries < 0) {
+            qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                        << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED";
+            return map;
+        }
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
+        m_hw->dc_autoRequest(true);
+        QThread::msleep(500);
+    }
+
+    for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
+
+        uint8_t jsonNr = 0;
+
+        QString const &fName = jsonFileNames[i];
+
+        // send one request for every single version
+        // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+        //      6=printer template 1 ..... 36= template 32
+
+        if (fName.endsWith("conf.json")) {
+            jsonNr = 1;
+        } else
+        if (fName.endsWith("device.json")) {
+            jsonNr = 2;
+        } else
+        if (fName.endsWith("cash.json")) {
+            jsonNr = 3;
+        } else {
+            QRegularExpressionMatch match;
+            static const QRegularExpression re("^(.*print)([0-3][0-9])\\.json\\s*$");
+            int idx = fName.indexOf(re, 0, &match);
+            if (idx != -1) {
+                QString captured = match.captured(match.lastCapturedIndex());
+                bool ok = false;
+                int n = captured.toInt(&ok);
+                if (ok) {
+                    // note: use 5 (instead of 4 -> index has been shifted)
+                    jsonNr = n + 5;
+                }
+            }
+        }
+
+        if (jsonNr != 0) {
+            // send one request for every single version
+            // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+            //      5=printer template 1 ..... 36= template 32
+
+            m_hw->sys_requestJsonVersions(jsonNr);
+            QThread::msleep(500);
+
+            char buf[64];
+            memset(buf, 0x00, sizeof(buf));
+            m_hw->sys_getJsonVersions(jsonNr, buf);
+            buf[16] = '\0'; // the DC only handles 16 bytes
+
+            static const QByteArray cb(16, (char)0xff);
+
+            QString const installedVersion(QString::fromStdString(buf));
+            QString const fileVersion = getFileVersion(jsonFileNames[i]);
+
+            QFileInfo fi(jsonFileNames[i]);
+
+            if (cb == QByteArray(buf)) {
+                map.insert(fi.fileName(), "inst.vers.not.avail");
+            } else {
+                map.insert(fi.fileName(), installedVersion);
+            }
+
+            qCritical() << endl;
+            qCritical() << "                json request nr:" << jsonNr;
+
+            if (installedVersion == fileVersion) {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+            } else
+            if (cb == QByteArray(buf) && fileVersion == "") {
+                qCritical() << "unknown json file (repo and DC):" << fi.fileName();
+            } else {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+                qCritical() << "     file version in repository:" << fileVersion;
+            }
+
+        } else {
+            qCritical() << "CANNOT FIND JSON-NR FOR" << fName;
+        }
+    }
+
+#endif
+    return map;
+}
+
 bool Update::doUpdate(int &displayIndex, QStringList const &filesToWorkOn) {
-    if (m_sys_areDCdataValid == false) {
-        qCritical() << "ERROR!!! DC DATA NOT VALID -> CA-MASTER-PLUGIN NOT CONNECTED";
+
+#if 0
+    if (!m_hw) {
+        Utils::printInfoMsg("CA-PLUGIN NOT LOADED");
         return false;
     }
 
+    int tries = 20;
+    while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
+        // must deliver 'true', only then are all data from hwapi valid
+        if (--tries < 0) {
+            Utils::printCriticalErrorMsg("ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED");
+            return false;
+        }
+        Utils::printCriticalErrorMsg("DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED");
+        m_hw->dc_autoRequest(true);
+        QThread::msleep(500);
+    }
+
     bool res = false;
     bool dcDownloadPossible = true;
 
@@ -795,45 +800,58 @@ bool Update::doUpdate(int &displayIndex, QStringList const &filesToWorkOn) {
                 res = false;
             } else {
                 if ((res = updatePrinterTemplate(templateIdx, fToWorkOn))) {
-                    Utils::printInfoMsg(
-                        QString("DOWNLOADED PRINTER TEMPLATE %1 WITH INDEX=%2")
-                            .arg(fToWorkOn)
-                            .arg(templateIdx));
-                    ++displayIndex;
-                    emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
-                          + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
-                            Worker::UPDATE_STEP_DONE);
+                    if (m_worker) {
+                        QStringList lst(QString("DL:%1 (%2)").arg(QFileInfo(fToWorkOn).fileName()).arg(templateIdx));
+                        m_worker->ISMAS(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_SUCCESS);
+
+                        ++displayIndex;
+                        emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
+                              + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
+                                Worker::UPDATE_STEP_DONE);
+                    }
                 }
             }
         } else if (fToWorkOn.contains("DC2C_cash", Qt::CaseInsensitive)
                 && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
             res = true;
             if ((res = updateCashConf(fToWorkOn))) {
-                Utils::printInfoMsg(QString("DOWNLOADED CASH TEMPLATE %1").arg(fToWorkOn));
-                ++displayIndex;
-                emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
-                      + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
-                        Worker::UPDATE_STEP_DONE);
+                if (m_worker) {
+                    QStringList lst(QString("DL:%1").arg(QFileInfo(fToWorkOn).fileName()));
+                    m_worker->ISMAS(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_CASH_FILE_SUCCESS);
+
+                    ++displayIndex;
+                    emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
+                          + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
+                            Worker::UPDATE_STEP_DONE);
+                }
             }
         } else if (fToWorkOn.contains("DC2C_conf", Qt::CaseInsensitive)
                 && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
             res = true;
             if ((res= updateConfig(fToWorkOn))) {
-                Utils::printInfoMsg(QString("DOWNLOADED CONFIG TEMPLATE %1").arg(fToWorkOn));
-                ++displayIndex;
-                emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
-                      + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
-                        Worker::UPDATE_STEP_DONE);
+                if (m_worker) {
+                    QStringList lst(QString("DL:%1").arg(QFileInfo(fToWorkOn).fileName()));
+                    m_worker->ISMAS(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_CONFIG_FILE_SUCCESS);
+
+                    ++displayIndex;
+                    emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
+                          + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
+                            Worker::UPDATE_STEP_DONE);
+                }
             }
         } else if (fToWorkOn.contains("DC2C_device", Qt::CaseInsensitive)
                 && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
             res = true;
             if ((res = updateDeviceConf(fToWorkOn))) {
-                Utils::printInfoMsg(QString("DOWNLOADED DEVICE TEMPLATE %1").arg(fToWorkOn));
-                ++displayIndex;
-                emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
-                      + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
-                        Worker::UPDATE_STEP_DONE);
+                if (m_worker) {
+                    QStringList lst(QString("DL:%1").arg(QFileInfo(fToWorkOn).fileName()));
+                    m_worker->ISMAS(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_DEVICE_FILE_SUCCESS);
+
+                    ++displayIndex;
+                    emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
+                          + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
+                            Worker::UPDATE_STEP_DONE);
+                }
             }
         } else {
             qCritical() << "UNKNOWN JSON FILE NAME" << fToWorkOn;
@@ -851,4 +869,7 @@ bool Update::doUpdate(int &displayIndex, QStringList const &filesToWorkOn) {
     qDebug() << "SET AUTO-REQUEST=TRUE";
 
     return res;
+#endif
+
+    return false;
 }

UpdatePTUDevCtrl/update.h

@@ -8,6 +8,7 @@
 #include <QByteArray>
 #include <QProcess>
 #include <QPluginLoader>
+#include <QMap>
 
 #include <DeviceController/interfaces.h>
 
@@ -21,7 +22,6 @@ class Worker;
 class Update : public QObject {
     Q_OBJECT
 
-    hwinf *m_hw = nullptr;
     Worker *m_worker = nullptr;
     char const *m_serialInterface;
     char const *m_baudrate;
@@ -60,11 +60,46 @@ public:
     bool doUpdate(int &displayIndex, QStringList const &linesToWorkOn);
     bool checkDownloadedJsonVersions(QStringList const& jsonFileNames);
 
-    hwinf *hw() { return m_hw; }
-    hwinf const *hw() const { return m_hw; }
-
-    //QString customerId() { return m_customerId; }
-    //QString const customerId() const { return m_customerId; }
+    QMap<QString, QString>
+        getInstalledJsonVersions(QStringList const& jsonFileNames =
+                            QStringList(
+                                QList(
+                                    std::initializer_list<QString>{
+                                        QString("etc/psa_config/DC2C_conf.json"),
+                                        QString("etc/psa_config/DC2C_cash.json"),
+                                        QString("etc/psa_config/DC2C_device.json"),
+                                        QString("etc/psa_config/DC2C_print01.json"),
+                                        QString("etc/psa_config/DC2C_print02.json"),
+                                        QString("etc/psa_config/DC2C_print03.json"),
+                                        QString("etc/psa_config/DC2C_print04.json"),
+                                        QString("etc/psa_config/DC2C_print05.json"),
+                                        QString("etc/psa_config/DC2C_print06.json"),
+                                        QString("etc/psa_config/DC2C_print07.json"),
+                                        QString("etc/psa_config/DC2C_print08.json"),
+                                        QString("etc/psa_config/DC2C_print09.json"),
+                                        QString("etc/psa_config/DC2C_print10.json"),
+                                        QString("etc/psa_config/DC2C_print11.json"),
+                                        QString("etc/psa_config/DC2C_print12.json"),
+                                        QString("etc/psa_config/DC2C_print13.json"),
+                                        QString("etc/psa_config/DC2C_print14.json"),
+                                        QString("etc/psa_config/DC2C_print15.json"),
+                                        QString("etc/psa_config/DC2C_print16.json"),
+                                        QString("etc/psa_config/DC2C_print17.json"),
+                                        QString("etc/psa_config/DC2C_print18.json"),
+                                        QString("etc/psa_config/DC2C_print19.json"),
+                                        QString("etc/psa_config/DC2C_print20.json"),
+                                        QString("etc/psa_config/DC2C_print21.json"),
+                                        QString("etc/psa_config/DC2C_print22.json"),
+                                        QString("etc/psa_config/DC2C_print23.json"),
+                                        QString("etc/psa_config/DC2C_print24.json"),
+                                        QString("etc/psa_config/DC2C_print25.json"),
+                                        QString("etc/psa_config/DC2C_print26.json"),
+                                        QString("etc/psa_config/DC2C_print27.json"),
+                                        QString("etc/psa_config/DC2C_print28.json"),
+                                        QString("etc/psa_config/DC2C_print29.json"),
+                                        QString("etc/psa_config/DC2C_print30.json"),
+                                        QString("etc/psa_config/DC2C_print31.json"),
+                                        QString("etc/psa_config/DC2C_print32.json")})));
 
     QString branchName() { return m_branchName; }
     QString const branchName() const { return m_branchName; }

UpdatePTUDevCtrl/utils.cpp

@@ -1,21 +1,191 @@
 #include "utils.h"
 #include "message_handler.h"
 #include "git/git_client.h"
+#include "worker.h"
 
 
 #if defined (Q_OS_UNIX) || defined (Q_OS_LINUX)
 #include "unistd.h"
 #endif
 
+#include <QObject>
 #include <QFile>
 #include <QTextStream>
 #include <QDebug>
 #include <QDir>
 #include <QDirIterator>
 #include <QRegularExpression>
+#include <QProcess>
+#include <QJsonDocument>
+#include <QJsonValue>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QStringList>
+#include <QDirIterator>
 
 #include <fstream>
 
+QVector<QPair<QString, QString>> Utils::installedJsonFiles(Worker const *worker, QDir const &customerDir) {
+    QVector<QPair<QString, QString>> vec;
+    QStringList fileList;
+
+    QDirIterator it(QDir::cleanPath(customerDir.absolutePath() + QDir::separator() + "etc/psa_config"));
+    while (it.hasNext()) {
+        QFileInfo const fi(it.next());
+        if (fi.fileName().startsWith("DC2C") && fi.fileName().endsWith(".json")) {
+            fileList << fi.absoluteFilePath();
+        }
+    }
+
+    fileList.sort();
+
+    QString const &current = QDir::current().absolutePath();
+
+    if (!QDir::setCurrent(customerDir.absolutePath())) {
+        qCritical() << __func__ << ":" << __LINE__ << ": ERROR: can not set"
+                    << "working directory to" << customerDir.absolutePath();
+    } else {
+
+        for (int i = 0; i < fileList.size(); ++i) {
+
+            QProcess p;
+
+            // connect(&p, SIGNAL(finished(int,QProcess::ExitStatus)), , SLOT(finished(int,QProcess::ExitStatus)));
+
+            QStringList params;
+            params << "log" << "-n" << "1" << "--pretty=format:%H" << "--" << fileList[i];
+
+            //QObject::connect(&p, SIGNAL(readyReadStandardOutput()),
+            //        worker, SLOT(Worker::readyReadStandardOutput()), Qt::DirectConnection);
+
+            p.start("git", params);
+            p.waitForReadyRead();
+            p.write("exit");
+            p.waitForFinished();
+
+            QString r = p.readAll().left(8);
+
+            //QObject::disconnect(&p, SIGNAL(readyReadStandardOutput()), worker, SLOT(Worker::readyReadStandardError()));
+
+            qCritical() << QDir::current().absolutePath()
+                        << "JS git log -n 1 --pretty=format:%H -- " << fileList[i] << r;
+
+            vec.push_back(QPair<QString, QString>(QFileInfo(fileList[i]).fileName(), r));
+        }
+
+        if (!QDir::setCurrent(current)) {
+            qCritical() << __func__ << ":" << __LINE__ << ": ERROR: can not set"
+                        << "working directory to" << current;
+        }
+    }
+
+    return vec;
+}
+
+QVector<QPair<QString, QString>> Utils::installedTariffFiles(Worker const *worker, QDir const &customerDir) {
+    QVector<QPair<QString, QString>> vec;
+    QStringList fileList;
+
+    QDirIterator it(QDir::cleanPath(customerDir.absolutePath() + QDir::separator() + "etc/psa_tariff"));
+    while (it.hasNext()) {
+        QFileInfo const fi(it.next());
+        if (fi.fileName().startsWith("tariff") && fi.fileName().endsWith(".json")) {
+            fileList << fi.absoluteFilePath();
+        }
+    }
+
+    fileList.sort();
+
+    QString const &current = QDir::current().absolutePath();
+
+    if (!QDir::setCurrent(customerDir.absolutePath())) {
+        qCritical() << __func__ << ":" << __LINE__ << ": ERROR: can not set"
+                    << "working directory to" << customerDir.absolutePath();
+    } else {
+
+        for (int i = 0; i < fileList.size(); ++i) {
+
+            QProcess p;
+            QStringList params;
+            params << "log" << "-n" << "1" << "--pretty=format:%H" << "--" << fileList[i];
+
+            //QObject::connect(&p, SIGNAL(readyReadStandardOutput()),
+            //        worker, SLOT(Worker::readyReadStandardOutput()), Qt::DirectConnection);
+
+            p.start("git", params);
+            p.waitForReadyRead();
+            p.write("exit");
+            p.waitForFinished();
+
+            QString r = p.readAll().left(8);
+            // QObject::disconnect(&p, SIGNAL(readyReadStandardOutput()), worker, SLOT(Worker::readyReadStandardError()));
+
+            qCritical() << QDir::current().absolutePath()
+                        << "git log -n 1 --pretty=format:%H -- " << fileList[i] << r;
+
+            vec.push_back(QPair<QString, QString>(QFileInfo(fileList[i]).fileName(), r));
+        }
+
+        if (!QDir::setCurrent(current)) {
+            qCritical() << __func__ << ":" << __LINE__ << ": ERROR: can not set"
+                        << "working directory to" << current;
+        }
+    }
+
+    return vec;
+}
+
+QVector<QPair<QString, QString>> Utils::installedPackages() {
+    QVector<QPair<QString, QString>> vec;
+    if (QFile::exists("/usr/bin/")) {
+        QProcess p;
+        QStringList params;
+        params << "-c" << R"(/usr/bin/ptuPackageVersions -i -o json)";
+
+        p.start("bash", params);
+        p.waitForFinished();
+
+        QString r = p.readAllStandardOutput();
+
+        // ptuPackageVersions returns a json-array
+        QJsonArray const &ja = QJsonDocument::fromJson(r.remove(QRegExp("\\n")).toUtf8()).array();
+        if (!ja.empty()) {
+            qCritical() << __LINE__;
+            // transform the array into an object, containing the objects
+            // of the array (christian needs it this way)
+            foreach (QJsonValue const &value, ja) {
+                if (value.isObject()) {
+                    QJsonObject obj = value.toObject();
+                    QStringList keys = obj.keys();
+                    if (!keys.isEmpty()) {
+                        QString const &k = keys.first();
+                        QJsonValue const &v = obj.value(k);
+                        if (v.isObject()) {
+                            obj = v.toObject();
+                            if (obj.keys().contains("Version")) {
+                                QJsonValue const &w = obj.value("Version");
+                                if (w.isString()) {
+                                    QString s = w.toString();
+                                    QPair<QString, QString> p(k, s);
+                                    vec.push_back(p);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        } else {
+            qCritical() << __func__ << ":" << __LINE__
+                        << "ERROR array return by ptuPackageVersions empty";
+        }
+    } else {
+        qCritical() << __func__ << ":" << __LINE__
+                    << "ERROR executing ptuPackageVersions";
+    }
+
+    return vec;
+}
+
 int Utils::read1stLineOfFile(QString fileName) {
     QFile f(fileName);
     if (f.exists()) {
@@ -44,6 +214,7 @@ QString Utils::getLocation(QString fileName) {
                     if (c != -1) {
                         location = line.mid(c+1);
                         if (!location.isEmpty()) {
+                            location = location.replace(QChar(','), QString(""));
                             return location.replace(QChar('"'), QString("")).trimmed();
                         }
                     }
@@ -69,6 +240,7 @@ QString Utils::getTariffVersion(QString fileName) {
                     if (c != -1) {
                         version = line.mid(c+1);
                         if (!version.isEmpty()) {
+                            version = version.replace(QChar(','), QString(""));
                             return version.replace(QChar('"'), QString("")).trimmed();
                         }
                     }
@@ -94,6 +266,7 @@ QString Utils::getTariffInfo(QString fileName) {
                     if (c != -1) {
                         info = line.mid(c+1);
                         if (!info.isEmpty()) {
+                            info = info.replace(QChar(','), QString(""));
                             return info.replace(QChar('"'), QString("")).trimmed();
                         }
                     }
@@ -106,20 +279,20 @@ QString Utils::getTariffInfo(QString fileName) {
 
 }
 
-QString Utils::zoneName(quint8 i) {
-    static constexpr char const *zName[] = {
-        "",
-        "purple",
-        "blue",
-        "yellow",
-        "green",
-        "yellow (mars)",
-        "green (mars)"
-    };
-    if (i < (sizeof(zName)/sizeof(char const *))) {
-        return zName[i];
-    }
-    return "N/A";
+QString Utils::zoneName(quint8 /* i */) {
+    //static constexpr char const *zName[] = {
+    //    "",
+    //    "purple",
+    //    "blue",
+    //    "yellow",
+    //    "green",
+    //    "yellow (mars)",
+    //    "green (mars)"
+    //};
+    //if (i < (sizeof(zName)/sizeof(char const *))) {
+    //    return zName[i];
+    //}
+    return "---";
 }
 
 void Utils::printCriticalErrorMsg(QString const &errorMsg, bool upper, bool lower) {
@@ -290,7 +463,7 @@ bool Utils::sameFilesInDirs(QDir const &dir1, QDir const &dir2,
     }
     if (fileNameLst1 != fileNameLst2) {
         printCriticalErrorMsg(dirPath1 + " AND " + dirPath2
-                            + " DIFFER: [" + fileNameLst1.join(',') + "],["
+                            + " HAVE DIFFERENT FILES: [" + fileNameLst1.join(',') + "],["
                             + fileNameLst2.join(',') + "]");
         return false;
     } else {
@@ -320,7 +493,7 @@ bool Utils::sameFilesInDirs(QDir const &dir1, QDir const &dir2,
 
     if (gitBlobLst1 != gitBlobLst2) {
         printCriticalErrorMsg(dirPath1 + " AND " + dirPath2
-                            + " DIFFER: [" + gitBlobLst1.join(',') + "],["
+                            + " HAVE DIFFERENT BLOBS: [" + gitBlobLst1.join(',') + "],["
                             + gitBlobLst2.join(',') + "]");
         return false;
     } else {

UpdatePTUDevCtrl/utils.h

@@ -9,7 +9,10 @@
 #include <QDateTime>
 #include <QDir>
 #include <QDebug>
+#include <QPair>
+#include <QProcess>
 
+class Worker;
 namespace Utils {
     int read1stLineOfFile(QString fileName);
     QString getLocation(QString fileName);
@@ -33,6 +36,12 @@ namespace Utils {
 
     QString getParentName();
     bool isATBQTRunning();
+
+    QVector<QPair<QString, QString>> installedPackages();
+    QVector<QPair<QString, QString>> installedJsonFiles(Worker const *worker, QDir const &customerDir);
+    QVector<QPair<QString, QString>> installedTariffFiles(Worker const *worker, QDir const &customerDir);
+
+    void finished(int exitCode, QProcess::ExitStatus exitStatus);
 }
 
 #endif // UTILS_H_INCLUDED

UpdatePTUDevCtrl/work_process_list.cpp

@@ -0,0 +1,32 @@
+#include "work_process_list.h"
+#include "process/update_command.h"
+
+#include <limits>
+#include <QDebug>
+
+unsigned WorkList::nextExecIndex() const {
+    if (m_workList.size() > 0 && m_workListIndex < (m_workList.size() - 1)) {
+        return m_workListIndex + 1;
+    }
+    return std::numeric_limits<unsigned>::max();
+}
+
+bool WorkList::nextExec() const {
+    return m_workListIndex < m_workList.size();
+}
+
+bool WorkList::exec(bool last) {
+    if (last == false) {
+        if (nextExec()) {
+            m_workList[m_workListIndex]->start("/opt/app/tools/atbupdate");
+            m_workListIndex += 1;
+            return true;
+        }
+    } else {
+        m_workList.back()->start("/opt/app/tools/atbupdate");
+        m_workListIndex = std::numeric_limits<unsigned>::max();
+        return true;
+    }
+
+    return false;
+}

UpdatePTUDevCtrl/work_process_list.h

@@ -0,0 +1,36 @@
+#ifndef WORK_LIST_H_INCLUDED
+#define WORK_LIST_H_INCLUDED
+
+#include <vector>
+#include <memory>
+
+class UpdateCommand;
+class WorkList {
+public:
+    std::vector<std::unique_ptr<UpdateCommand>> m_workList;
+    unsigned m_workListIndex{0};
+
+    WorkList() = default;
+
+    template<typename T>
+    void push_back(T&& arg) {
+        m_workList.push_back(std::forward<T>(arg));
+    }
+
+    bool empty() const { return m_workList.empty(); }
+
+    // move constructor: pass in classes derived from UpdateCommand
+    // template<typename... Ts>
+             //typename = typename std::enable_if<std::is_same<typename std::decay<Ts...>::type,
+             //                                   UpdateCommand>::value>::type>
+    // WorkList(Ts&&... args)
+    //  : m_workList(std::forward<Ts...>(args...))
+    //  , m_workListIndex(0) {
+    //}
+
+    unsigned nextExecIndex() const;
+    bool nextExec() const;
+    bool exec(bool last=false);
+};
+
+#endif // WORK_LIST_H_INCLUDED

UpdatePTUDevCtrl/worker.cpp

@@ -17,13 +17,28 @@
 #include <QJsonParseError>
 #include <Qt>
 #include <QScopedPointer>
+#include <QRegularExpression>
+#include <QJsonArray>
+
+#include <memory>
 
 #include "message_handler.h"
 #include <DeviceController/interfaces.h>
 #include "ismas/ismas_client.h"
 #include "progress_event.h"
 #include "mainwindow.h"
-#include "utils.h"
+#include "utils.h"  // deprecated
+#include "utils_internal.h"
+#include "process/command.h"
+#include "process/update_command.h"
+#include "process/check_ismas_connectivity_command.h"
+#include "process/check_update_activation_command.h"
+#include "process/check_and_fetch_customer_repository_command.h"
+#include "process/update_json_command.h"
+#include "process/update_filesystem_command.h"
+#include "process/exec_opkg_command.h"
+#include "process/update_dc_command.h"
+#include "process/show_software_status_command.h"
 
 QString const Worker::UPDATE_STEP_OK     (   " [  ok]");
 QString const Worker::UPDATE_STEP_DONE   (   " [done]");
@@ -31,6 +46,8 @@ QString const Worker::UPDATE_STEP_WRONG   (  "[WRONG]");
 QString const Worker::UPDATE_STEP_FAIL   (   " [FAIL]");
 QString const Worker::UPDATE_STEP_SUCCESS(" [SUCCESS]");
 
+bool Worker::sendLastVersionOnce = false;
+
 using UPDATE_STEP = Worker::UPDATE_STEP;
 const QMap<UPDATE_STEP, const char*> Worker::smap (
     std::initializer_list<std::pair<UPDATE_STEP, const char*>>{
@@ -56,6 +73,9 @@ const QMap<UPDATE_STEP, const char*> Worker::smap (
         INSERT_ELEMENT(UPDATE_STEP::CHECK_ISMAS_TRIGGER_FAILURE),
         INSERT_ELEMENT(UPDATE_STEP::INITIAL_CLONE_WITHOUT_ACTIVE_ISMAS_TRIGGER),
         INSERT_ELEMENT(UPDATE_STEP::INITIAL_CLONE_WITH_ACTIVE_ISMAS_TRIGGER),
+        INSERT_ELEMENT(UPDATE_STEP::PULL_NEW_BRANCH),
+        INSERT_ELEMENT(UPDATE_STEP::PULL_NEW_BRANCH_FAILURE),
+        INSERT_ELEMENT(UPDATE_STEP::PULL_NEW_BRANCH_SUCCESS),
         INSERT_ELEMENT(UPDATE_STEP::CHECKOUT_BRANCH),
         INSERT_ELEMENT(UPDATE_STEP::CHECKOUT_BRANCH_SUCCESS),
         INSERT_ELEMENT(UPDATE_STEP::CHECKOUT_BRANCH_FAILURE),
@@ -83,6 +103,15 @@ const QMap<UPDATE_STEP, const char*> Worker::smap (
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CONFIG_FILE),
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CONFIG_FILE_SUCCESS),
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CONFIG_FILE_FAILURE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CASH_FILE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CASH_FILE_FAILURE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CASH_FILE_SUCCESS),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_FILE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_FILE_FAILURE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_FILE_SUCCESS),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_JSON_FILE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_JSON_FILE_SUCCESS),
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_CONTROLLER),
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_CONTROLLER_SUCCESS),
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_CONTROLLER_FAILURE),
@@ -126,7 +155,7 @@ Worker::Worker(int customerNr,
                char const *serialInterface,
                char const *baudrate)
   : m_customerNr(customerNr)
-  , m_customerNrStr(QString("customer_") + QString::number(m_customerNr).rightJustified(3, '0'))
+  , m_customerNrStr(QString("customer_") + QString::number(m_customerNr))
   , m_machineNr(machineNr)
   , m_zoneNr(zoneNr)
   , m_pluginDir(pluginDir)
@@ -142,7 +171,7 @@ Worker::Worker(int customerNr,
   , m_parent(parent)
   , m_serialInterface(serialInterface)
   , m_baudrate(baudrate)
-  , m_gc(m_customerNrStr, m_customerRepository, m_workingDirectory, m_branchName, this)
+  , m_gc(m_customerRepositoryPath, m_customerNrStr, m_customerRepository, m_workingDirectory, m_branchName, this)
   , m_versionInfo(QStringList())
   , m_osVersion(getOsVersion())
   , m_atbqtVersion(getATBQTVersion())
@@ -160,19 +189,104 @@ Worker::Worker(int customerNr,
   , m_filesToUpdate()
   , m_updateProcessRunning(true)
   , m_mainWindow(nullptr) /* contains plugin */
+  , m_dcDownloadFirmware(new Command("/opt/app/tools/atbupdate/ATBDownloadDCFirmware --read-dc-version true"))
+  , m_dcDownloadJsonFiles(new Command(
+        QString("/opt/app/tools/atbupdate/ATBDownloadDCJsonFiles --set-ppid %1").arg(QCoreApplication::applicationPid())))
   //, m_withoutIsmasDirectPort(true) /* useful for testing */ {
-  , m_withoutIsmasDirectPort(false) /* useful for testing */ {
+  , m_withoutIsmasDirectPort(false) /* useful for testing */  {
+
+    // *** check ISMAS connectivity ***
+    // NOTE: if the customer repository does not exist, then it does not matter
+    // if there is a connection to ISMAS (via APISM).
+    // NOTE: the several processes will be started WorkList::exec().
+    int next = 1;
+    m_workList.push_back(
+                std::make_unique<CheckIsmasConnectivityCommand>(
+                    //QString("echo CheckIsmasConnectivityCommand")
+                    QString("/opt/app/tools/atbupdate/ATBUpdateCheck --ismas-connected")
+                    , this, ++next));
+
+    // *** check if update activated in ISMAS ***
+    // NOTE: if the customer repository does not exist, then it does not matter
+    // if the update has been activated via ISMAS.
+    m_workList.push_back(
+                std::make_unique<CheckUpdateActivationCommand>(
+                    //QString("echo CheckUpdateActivationCommand")
+                    QString("/opt/app/tools/atbupdate/ATBUpdateCheck --update-requested")
+                    , this, ++next));
+
+    // *** check and fetch git-customer repository ***
+    // (1): if the customer repository does not exist, clone the repository.
+    // (2): if the repository exists, pull the repository. Optionally, checkout
+    //      the corresponding branch, and check the integrity of the repository.
+    m_workList.push_back(
+                std::make_unique<CheckAndFetchCustomerRepositoryCommand>(
+                    // QString("echo CheckAndFetchCustomerRepositoryCommand")
+                    QString("/opt/app/tools/atbupdate/ATBUpdateGit")
+                    , this, ++next));
+
+    // *** exec opkg-commands (noaction) ***
+    // NOTE: first run the opkg commands with no action -> dry-run
+    m_workList.push_back(
+                std::make_unique<ExecOpkgCommand>(
+                    // QString("echo ExecOpkgCommand noaction")
+                    QString("/opt/app/tools/atbupdate/ATBUpdateOpkg --noaction")
+                    , this, ++next, true));
+
+    // *** exec opkg-commands ***
+    // NOTE: first run the opkg commands with action -> no dry-run
+    m_workList.push_back(
+                std::make_unique<ExecOpkgCommand>(
+                    //QString("echo ExecOpkgCommand run")
+                    QString("/opt/app/tools/atbupdate/ATBUpdateOpkg")
+                    , this, ++next, false));
+
+    // *** send json files down to device controller ***
+    m_workList.push_back(
+                std::make_unique<UpdateJsonCommand>(
+                    QString("echo ATBDownloadDCJsonFiles")
+                    //QString("/opt/app/tools/atbupdate/ATBDownloadDCJsonFiles --set-ppid %1").arg(QCoreApplication::applicationPid())
+                    , this, ++next, false));
+
+    // sync json files in repo etc-directory with /etc fs-directory
+    m_workList.push_back(
+                std::make_unique<UpdateFileSystemCommand>(
+                    QString("echo ATBUpdateSync")
+                    , this, ++next));
+
+    // send device-controller firmware down to device-controller-hardware
+    m_workList.push_back(
+                std::make_unique<UpdateDCCommand>(
+                    QString("echo ATBDownloadDCFirmware")
+                    // QString("/opt/app/tools/atbupdate/ATBDownloadDCFirmware --read-dc-version true")
+                    , this, ++next));
+
+    // show/send software-status
+    m_workList.push_back(
+                std::make_unique<ShowSoftwareStatusCommand>(
+                    QString("echo ATBUpdateShowPSAInstalled")
+                    , this, -1));
+
+    // reboot machine
+    ///////////////////////////////////////////////////////////
+
+    m_start = QDateTime::currentDateTime();
+    m_dcDownloadFirmware->setWorker(this);
+    m_dcDownloadJsonFiles->setWorker(this);
 
     // TODO: turn object into singleton
     instance = this;
     m_lastFailedUpdateStep = UPDATE_STEP::NONE;
-    m_update = new Update(this,
-                          QDir::cleanPath(m_workingDirectory + QDir::separator() + m_customerNrStr),
-                          m_customerNrStr,
-                          m_branchName,
-                          m_pluginDir,
-                          m_pluginName,
-                          m_workingDirectory);
+
+    if (m_noUpdatePsaHardware == false) {
+        m_update = new Update(this,
+                              QDir::cleanPath(m_workingDirectory + QDir::separator() + m_customerNrStr),
+                              m_customerNrStr,
+                              m_branchName,
+                              m_pluginDir,
+                              m_pluginName,
+                              m_workingDirectory);
+    }
 
     this->setObjectName("worker-object");
     QDir::setCurrent(m_workingDirectory);
@@ -265,6 +379,8 @@ void Worker::privateUpdate() {
         return;
     }
 
+    return;
+
     QString func(__PRETTY_FUNCTION__);
 
     GUI() << (ISMAS() << (CONSOLE() << UPDATE_STEP::STARTED));
@@ -297,13 +413,18 @@ void Worker::privateUpdate() {
                 m_updateNotNecessary = true;
                 m_ismasTriggerStatusMessage = QStringList(QString("NO UPDATE NECESSARY (%1)").arg(current.toString(Qt::ISODate)));
 
-                qCritical() << "privateUpdate m_ismasTriggerStatusMessage:" << QStringList(QString("NO UPDATE NECESSARY (%1)").arg(current.toString(Qt::ISODate)));
+                qCritical() << "privateUpdate m_ismasTriggerStatusMessage:"
+                            << QStringList(m_ismasTriggerStatusMessage);
                 qCritical() << "***";
 
-                // the customer-repository does exist, but the ISMAS-trigger is
+                // the customer-repository does exist, and the ISMAS-trigger is
                 // *NOT* "WAIT", but from 00:00:00 - 00:03:59 this counts as an
                 // automatic update
 
+                QStringList lst = m_ismasTriggerStatusMessage;
+                // trigger message to ISMAS and CONSOLE
+                CONSOLE(lst) << (m_lastFailedUpdateStep = UPDATE_STEP::CHECK_ISMAS_TRIGGER_SUCCESS);
+                // overwrite m_lastFailedUpdateStep
                 m_lastFailedUpdateStep = UPDATE_STEP::NONE;
                 return;
             }
@@ -330,6 +451,7 @@ void Worker::privateUpdate() {
     m_clone = false;
     m_repairClone = false;
     m_initialClone = false;
+    m_pulledNewBranch = false;
                                     // the customer repository is cloned or
                                     // repaired/re-cloned without checking the
                                     // ISMAS-trigger (WAIT-)button.
@@ -432,6 +554,14 @@ void Worker::privateUpdate() {
     //
     ////////////////////////////////////////////////////////////////////////////
     if ((continueUpdate = customerEnvironment()) == false) {
+        // even if something goes wrong creating the environment, try to execute
+        // opkg_commands
+        if (QDir(m_customerRepository).exists()) {
+            // always execute contents of opkg_commands-file
+            m_filesToUpdate.clear();
+            m_filesToUpdate << "etc/psa_update/opkg_commands";
+            execOpkgCommands();
+        }
         return;
     }
     m_versionInfo = m_gc.gitShowReason(m_branchName);
@@ -446,6 +576,14 @@ void Worker::privateUpdate() {
     //
     ////////////////////////////////////////////////////////////////////////////
     if ((continueUpdate = filesToUpdate()) == false) {
+        // even if something goes wrong in filesToUpdate, try to execute
+        // opkg_commands
+        if (QDir(m_customerRepository).exists()) {
+            // always execute contents of opkg_commands-file
+            m_filesToUpdate.clear();
+            m_filesToUpdate << "etc/psa_update/opkg_commands";
+            execOpkgCommands();
+        }
         return;
     }
     m_versionInfo = m_gc.gitShowReason(m_branchName);
@@ -459,6 +597,14 @@ void Worker::privateUpdate() {
     //
     ////////////////////////////////////////////////////////////////////////////
     if ((continueUpdate = syncCustomerRepositoryAndFS()) == false) {
+        // even if something goes wrong with rsync, try to execute
+        // opkg_commands
+        if (QDir(m_customerRepository).exists()) {
+            // always execute contents of opkg_commands-file
+            m_filesToUpdate.clear();
+            m_filesToUpdate << "etc/psa_update/opkg_commands";
+            execOpkgCommands();
+        }
         return;
     }
     lst = QStringList(QString(smap[UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY_SUCCESS]));
@@ -487,9 +633,8 @@ void Worker::privateUpdate() {
     if ((continueUpdate = downloadFilesToPSAHardware()) == false) {
         return;
     }
-    lst = QStringList(QString(smap[UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE_SUCCESS]));
-    ISMAS(lst) << (GUI(lst) << (CONSOLE(lst) << UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
-    setProgress(_DOWNLOAD_FILES_TO_PSA_HARDWARE_SUCCESS);
+    lst = QStringList(QString("DONE"));
+    ISMAS(lst) << (GUI(lst) << (CONSOLE(lst) << UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE_SUCCESS));
 
     ////////////////////////////////////////////////////////////////////////////
     //
@@ -724,6 +869,34 @@ bool Worker::customerEnvironment() {
     ISMAS() << (GUI() << (CONSOLE() << UPDATE_STEP::CHECKOUT_BRANCH));
 
     if (QDir(m_customerRepository).exists()) {
+        if (m_clone == false) {
+            if (m_gc.branchExistsRemotely()) {
+                QString msg;
+                QStringList lst;
+                if (!m_gc.branchExistsLocally()) {
+                    lst.clear();
+                    msg = QString("PULLING OF NEW BRANCH " + m_branchName + " DOES NOT EXIST LOCALLY");
+                    lst << msg;
+                    CONSOLE(lst) << UPDATE_STEP::PULL_NEW_BRANCH;
+                    if (!m_gc.gitPullNewBranches()) {
+                        lst.clear();
+                        msg = QString("PULLING OF NEW BRANCH " + m_branchName + " FAILED");
+                        lst << msg;
+                        ISMAS(lst) << (GUI(lst) << (CONSOLE(lst) << (m_lastFailedUpdateStep = UPDATE_STEP::PULL_NEW_BRANCH_FAILURE)));
+                        return false;
+                    } else {
+                        lst.clear();
+                        msg = QString("PULLING OF NEW BRANCH " + m_branchName + " SUCCESS");
+                        lst << msg;
+                        ISMAS(lst) << (GUI(lst) << (CONSOLE(lst) << (m_lastFailedUpdateStep = UPDATE_STEP::PULL_NEW_BRANCH_SUCCESS)));
+                        m_pulledNewBranch = true;
+                    }
+                } else {
+                    m_pulledNewBranch = false;
+                }
+            }
+        }
+
         if (m_gc.gitCheckoutBranch()) {
             return true;
         } else {
@@ -747,7 +920,7 @@ bool Worker::filesToUpdate() {
     // always execute contents of opkg_commands-file
     m_filesToUpdate << "etc/psa_update/opkg_commands";
 
-    if (m_clone && m_alwaysDownloadConfig) {
+    if ((m_clone || m_pulledNewBranch) && m_alwaysDownloadConfig) {
         // always download all json-config files, even if none of them have been
         // changed in the git repository. useful for first installation.
         QDir dir(QDir::cleanPath(m_customerRepository + QDir::separator() + "etc/psa_config"));
@@ -761,7 +934,7 @@ bool Worker::filesToUpdate() {
         }
     }
 
-    if (m_clone && m_alwaysDownloadDC) {
+    if ((m_clone || m_pulledNewBranch) && m_alwaysDownloadConfig) {
         // always download the last dc-binary, even if not changed in the
         // git repository. useful for first installation.
         QDir dir(QDir::cleanPath(m_customerRepository + QDir::separator() + "etc/dc"));
@@ -813,7 +986,24 @@ bool Worker::computeFilesToDownload() {
     return (m_filesToDownload.size() > 0);
 }
 
+
+bool Worker::cleanUpOpkgCache() {
+    bool removedFiles = true;
+    QDir dir("/var/cache/opkg");
+    if (dir.exists()) {
+        dir.setNameFilters(QStringList() << ".gz" << ".ipk");
+        dir.setFilter(QDir::Files);
+        foreach(QString dirFile, dir.entryList()) {
+            removedFiles &= dir.remove(dirFile);
+        }
+    }
+    return removedFiles;
+}
+
 bool Worker::execOpkgCommands() {
+    if (!cleanUpOpkgCache()) {
+        CONSOLE() << "INFO: some cached opkg files not removed";
+    }
     for (int i = 0; i < m_filesToUpdate.size(); ++i) {
         QString const fName = m_filesToUpdate.at(i);
         if (fName.contains("opkg_commands", Qt::CaseInsensitive)) {
@@ -828,10 +1018,13 @@ bool Worker::execOpkgCommands() {
                         QStringList opkgErrorLst;
                         while (!in.atEnd()) {
                             QString line = in.readLine();
-                            static const QRegularExpression comment("^\\s*#.*$");
-                            if (line.indexOf(comment, 0) == -1) {
-                                // found opkg command
+                            // TODO: "^\\s*[#]{0,}$" : empty line or comment line starting with #
+                            static const QRegularExpression comment("^\\s*[#].*$");
+                            static const QRegularExpression emptyLine("^\\s*$");
+                            if (line.indexOf(emptyLine, 0) == -1 &&
+                                line.indexOf(comment, 0) == -1) {
                                 QString opkgCommand = line.trimmed();
+                                qCritical() << "Found opkg-command" << opkgCommand;
                                 if (!executeOpkgCommand(opkgCommand)) {
                                     opkgErrorLst << opkgCommand;
                                 } else {
@@ -910,13 +1103,16 @@ bool Worker::execOpkgCommands() {
 
 bool Worker::downloadFilesToPSAHardware() {
     m_displayIndex = 0;
+    QStringList lst(QString("START"));
 
-    GUI(m_filesToDownload) << (CONSOLE(m_filesToDownload) << UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE);
-    setProgress(_DOWNLOAD_FILES_TO_PSA_HARDWARE);
+    ISMAS(lst) << (GUI(m_filesToDownload) << (CONSOLE(m_filesToDownload) << UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
 
     if (m_noUpdatePsaHardware == false) {
         if (computeFilesToDownload() > 0) {
-            QStringList lst = m_filesToDownload;
+            lst.clear();
+            for (int i = 0; i < m_filesToDownload.size(); ++i) {
+                lst << QFileInfo(m_filesToDownload.at(i)).fileName();
+            }
             ISMAS(lst) << (CONSOLE(lst) << UPDATE_STEP::FILES_TO_DOWNLOAD);
 
             if (m_update && m_update->doUpdate(m_displayIndex, m_filesToDownload)) {
@@ -929,7 +1125,7 @@ bool Worker::downloadFilesToPSAHardware() {
                 return true;
             }
 
-            CONSOLE(lst) << (m_lastFailedUpdateStep = UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE_FAILURE);
+            ISMAS(lst) << (CONSOLE(lst) << (m_lastFailedUpdateStep = UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE_FAILURE));
             setProgress(_DOWNLOAD_FILES_TO_PSA_HARDWARE_FAILURE);
 
             return false;
@@ -940,14 +1136,20 @@ bool Worker::downloadFilesToPSAHardware() {
 }
 
 bool Worker::syncCustomerRepositoryAndFS() {
-    ISMAS() << (GUI() << (CONSOLE() << UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY));
+    QString msg("START");
+    QStringList lst(msg);
+    ISMAS(lst) << (GUI(lst) << (CONSOLE(lst) << UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY));
+    lst.clear();
 
     if (QDir(m_customerRepository).exists()) {
         if (QDir::setCurrent(m_customerRepository)) {
             Command md("bash");
             if (!md.execute(m_customerRepository,
                             QStringList() << "-c" << "mkdir -p /etc/psa_config /etc/dc /etc/psa_tariff")) {
-                qCritical() << "COULD NOT EXECUTE '" << md.command() << "' exitCode=(" << md.exitCode() << ")";
+                msg = QString("COULD NOT EXECUTE '%1', exitCode=%2").arg(md.command()).arg(md.exitCode());
+                qCritical() << msg;
+                QStringList lst2(msg);
+                ISMAS(lst2) << (CONSOLE(lst2) << UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY);
             }
             QString const params("-v                      "
                                  "--recursive             "
@@ -1006,12 +1208,22 @@ bool Worker::syncCustomerRepositoryAndFS() {
                         error = true;
                     }
                 }
+                if (!error) {
+                    lst.clear();
+                    lst << QString("SUCCESS %1").arg(cmd);
+                    ISMAS(lst) << (CONSOLE(lst) << UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY);
+                } else {
+                    msg = QString("FAILURE %1").arg(cmd);
+                    lst << msg;
+                    QStringList lst2(msg);
+                    ISMAS(lst2) << (CONSOLE(lst2) << UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY);
+                }
             }
             if (!error) {
                 // now check tariff-files in etc and /etc/psa_tariff
                 QDir dir1(QDir::cleanPath(m_customerRepository + QDir::separator() + "etc/psa_tariff"));
                 QDir dir2("/etc/psa_tariff");
-                if (Utils::sameFilesInDirs(dir1, dir2)) {
+                if (Utils::sameFilesInDirs(dir1, dir2) == false) {
                     CONSOLE() <<  QDir::cleanPath(m_customerRepository + QDir::separator() + "etc/psa_tariff")
                               << "AND /etc/psa_tariff ARE DIFFERENT: CHANGED CUSTOMER-NUMBER?";
                 }
@@ -1019,9 +1231,13 @@ bool Worker::syncCustomerRepositoryAndFS() {
                 setProgress(_SYNC_CUSTOMER_REPOSITORY_SUCCESS);
                 return true;
             }
+        } else {
+            lst << QString("CAN NOT CD TO CUST-REPO %1").arg(m_customerRepository);
         }
+    } else {
+        lst << QString("CUST-REPO %1 DOES NOT EXIST").arg(m_customerRepository);
     }
-    ISMAS() << (GUI() << (CONSOLE() << (m_lastFailedUpdateStep = UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY_FAILURE)));
+    ISMAS(lst) << (GUI(lst) << (CONSOLE(lst) << (m_lastFailedUpdateStep = UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY_FAILURE)));
     setProgress(_SYNC_CUSTOMER_REPOSITORY_FAILURE);
     return false;
 }
@@ -1148,6 +1364,7 @@ QString Worker::getPluginVersion(QString const &pluginFileName) const {
 
 QStringList Worker::getDCVersion() const {
     QStringList lst = (QStringList() << "N/A" << "N/A");
+#if 0
     Update const *up = update();
     if (up) {
         hwinf const *caPlugin = up->hw();
@@ -1169,6 +1386,7 @@ QStringList Worker::getDCVersion() const {
             }
         }
     }
+#endif
     return lst;
 }
 
@@ -1218,15 +1436,48 @@ PSAInstalled Worker::getPSAInstalled() {
     psaInstalled.versionInfo.created = "N/A";
 
     if (m_versionInfo.size() == 3) {
-        qCritical() << QString("***** %1:%2").arg(__func__).arg(__LINE__)
-                    << "m_versionInfo" << m_versionInfo << "*****";
-        psaInstalled.versionInfo.lastCommit = QString("%1-%2")
-                .arg(QCoreApplication::applicationPid())
-                .arg(m_versionInfo.at(0));
-        psaInstalled.versionInfo.reason = m_versionInfo.at(1);
+        QString const &lastCommit = m_versionInfo.at(0);
+        QString reason = m_versionInfo.at(1);
+        QDateTime const dt = QDateTime::fromString(m_versionInfo.at(2), Qt::ISODate);
+        QString version{""};
+        QString date{""};
+        if (dt.isValid()) {
+            date += " ";
+            date += dt.date().toString(Qt::ISODate);
+        }
+        static const QRegularExpression re("^\\s*(\\d+)\\.(\\d+)\\.(\\d+)(.*$)");
+        QRegularExpressionMatch match = re.match(reason);
+        if (match.hasMatch()) {
+            int const lastCapturedIndex = match.lastCapturedIndex();
+            if (lastCapturedIndex >= 1) {
+                version += " v";
+                version += match.captured(1);   // major
+            }
+            if (lastCapturedIndex >= 2) {
+                version += ".";
+                version += match.captured(2);   // minor
+            }
+            if (lastCapturedIndex >= 3) {
+                version += ".";
+                version += match.captured(3);   // patch
+            }
+            if (lastCapturedIndex >= 4) {       // rest after version
+                reason = match.captured(4);
+            }
+        }
+
+        psaInstalled.versionInfo.lastCommit = QString("%1%2").arg(lastCommit).arg(version);
+        psaInstalled.versionInfo.reason = reason;
         psaInstalled.versionInfo.created = m_versionInfo.at(2);
     }
 
+    //qCritical() << "";
+    //qCritical() << "VERSION-INFO";
+    //qCritical() << "LAST-COMMIT" << psaInstalled.versionInfo.lastCommit;
+    //qCritical() << "REASON" << psaInstalled.versionInfo.reason;
+    //qCritical() << "CREATED" << psaInstalled.versionInfo.created;
+    //qCritical() << "";
+
     if (m_zoneNr != 0) {
         QString const &n = QString("%1").arg(m_zoneNr).rightJustified(2, '0');
         psaInstalled.tariff.name = QString("tariff%1.json").arg(n);
@@ -1268,20 +1519,36 @@ PSAInstalled Worker::getPSAInstalled() {
     psaInstalled.pluginVersion.prmCalculatePriceConfigUi = m_pluginVersionPrmCalcConfig;
     psaInstalled.pluginVersion.tcpZVT = m_pluginVersionTcpZvt;
 
+    // key: conf-json-filename; value: installed version on DC
+    QMap<QString, QString> map;
+    if (m_update) {
+        map = m_update->getInstalledJsonVersions();
+    }
+
     psaInstalled.cash.name = "DC2C_cash.json";
     absPathName = QDir::cleanPath(printSysDir + QDir::separator() + psaInstalled.cash.name);
+
     psaInstalled.cash.blob = m_gc.gitBlob(absPathName);
     psaInstalled.cash.size = getFileSize(absPathName);
+    if (map.contains("DC2C_cash.json")) {
+        psaInstalled.cash.blob = map.value("DC2C_cash.json", "inst.vers.not.avail");
+    }
 
     psaInstalled.conf.name = "DC2C_conf.json";
     absPathName = QDir::cleanPath(printSysDir + QDir::separator() + psaInstalled.conf.name);
     psaInstalled.conf.blob = m_gc.gitBlob(absPathName);
     psaInstalled.conf.size = getFileSize(absPathName);
+    if (map.contains("DC2C_conf.json")) {
+        psaInstalled.conf.blob = map.value("DC2C_conf.json", "inst.vers.not.avail");
+    }
 
     psaInstalled.device.name = "DC2C_device.json";
     absPathName = QDir::cleanPath(printSysDir + QDir::separator() + psaInstalled.device.name);
     psaInstalled.device.blob = m_gc.gitBlob(absPathName);
     psaInstalled.device.size = getFileSize(absPathName);
+    if (map.contains("DC2C_device.json")) {
+        psaInstalled.device.blob = map.value("DC2C_device.json", "inst.vers.not.avail");
+    }
 
     for (int i=0; i < 32; ++i) {
         QString const &n = QString("%1").arg(i+1).rightJustified(2, '0');
@@ -1289,7 +1556,137 @@ PSAInstalled Worker::getPSAInstalled() {
         absPathName = QDir::cleanPath(printSysDir + QDir::separator() + psaInstalled.print[i].name);
         psaInstalled.print[i].blob = m_gc.gitBlob(absPathName);
         psaInstalled.print[i].size = getFileSize(absPathName);
+        if (map.contains(psaInstalled.print[i].name)) {
+            psaInstalled.print[i].blob = map.value(psaInstalled.print[i].name, "inst.vers.not.avail");
+        }
+    }
+
+    psaInstalled.ptuPackageVersion = "{}";
+    if (QFile::exists("/usr/bin/ptuPackageVersions")) {
+        Command c("/usr/bin/ptuPackageVersions -i -o json");
+        if (c.execute(m_workingDirectory)) {
+            QString r = c.getCommandResult();
+            // ptuPackageVersions returns a json-array
+            QJsonArray const &ja = QJsonDocument::fromJson(r.remove(QRegExp("\\n")).toUtf8()).array();
+            if (!ja.empty()) {
+                // transform the array into an object, containing the objects
+                // of the array (christian needs it this way)
+                QJsonObject o;
+                foreach (QJsonValue const &value, ja) {
+                    if (value.isObject()) {
+                        QJsonObject obj = value.toObject();
+                        QStringList keys = obj.keys();
+                        if (!keys.isEmpty()) {
+                            QString const &k = obj.keys().first();
+                            QJsonValue const &v = obj.value(k);
+                            o.insert(k, v);
+                        }
+                    }
+                }
+
+                psaInstalled.ptuPackageVersion =
+                    QJsonDocument(o).toJson(QJsonDocument::Compact);
+
+            } else {
+                qCritical() << __func__ << ":" << __LINE__
+                            << "ERROR array return by ptuPackageVersions empty";
+            }
+        } else {
+            qCritical() << __func__ << ":" << __LINE__
+                        << "ERROR executing ptuPackageVersions";
+        }
     }
 
     return psaInstalled;
 }
+
+void Worker::readyReadStandardOutput() {
+    QProcess *p = (QProcess *)sender();
+    m_standardOutput = p->readAllStandardOutput();
+
+
+    qCritical() << "ZZZZ" << m_standardOutput;
+}
+
+bool Worker::jsUpdate() {
+    return m_dcDownloadJsonFiles->start("/opt/app/tools/atbupdate");
+}
+
+bool Worker::dcUpdate() {
+    return m_dcDownloadFirmware->start("/opt/app/tools/atbupdate");
+}
+
+void Worker::summary() {
+
+    QString summary, first, second, line, tmp;
+    QVector<QPair<QString, QString>> vec = Utils::installedPackages();
+
+    vec.append(Utils::installedTariffFiles(this, m_customerRepository));
+    vec.append(Utils::installedJsonFiles(this, m_customerRepository));
+
+    int max_first = 0, max_second = 0;
+    for (int i = 0; i < vec.size(); ++i) {
+        max_first = std::max(max_first, vec[i].first.length());
+        max_second = std::max(max_second, vec[i].second.length());
+    }
+
+    max_first += 5;
+
+    summary = "UPDATE SUMMARY\n\n";
+
+    first = QString("%1").arg("start", max_first, QChar(' '));
+    tmp = QString("%1").arg(start().toString(Qt::ISODate));
+    second = QString("%1").arg(tmp, -max_second, QChar(' '));
+    line = first + ": " + second;
+    summary += line + "\n";
+
+    first = QString("%1").arg("update tool version", max_first, QChar(' '));
+    tmp = QString("%1 - %2 %3").arg(APP_VERSION).arg(APP_BUILD_DATE).arg(APP_BUILD_TIME);
+    second = QString("%1").arg(tmp, -max_second, QChar(' '));
+    line = first + ": " + second;
+    summary += line + "\n";
+
+    first = QString("%1").arg("machine number", max_first, QChar(' '));
+    tmp = QString("%1").arg(machineNr());
+    second = QString("%1").arg(tmp, -max_second, QChar(' '));
+    line = first + ": " + second;
+    summary += line + "\n";
+
+    first = QString("%1").arg("customer number", max_first, QChar(' '));
+    tmp = QString("%1").arg(customerNr());
+    second = QString("%1").arg(tmp, -max_second, QChar(' '));
+    line = first + ": " + second;
+    summary += line + "\n";
+
+    first = QString("%1").arg("zone number", max_first, QChar(' '));
+    tmp = QString("%1").arg(zoneNr());
+    second = QString("%1").arg(tmp, -max_second, QChar(' '));
+    line = first + ": " + second;
+    summary += line + "\n";
+
+    if (m_mainWindow) {
+        tmp = m_mainWindow->targetDcVersion();
+        if (!tmp.isEmpty()) {
+            first = QString("%1").arg("target device controller", max_first, QChar(' '));
+            second = QString("%1").arg(tmp, -max_second, QChar(' '));
+            line = first + ": " + second;
+            summary += line + "\n";
+        }
+    }
+
+    first = QString("%1").arg("apism", max_first, QChar(' '));
+    tmp = QString("%1").arg(apismVersion());
+    second = QString("%1").arg(tmp, -max_second, QChar(' '));
+    line = first + ": " + second;
+    summary += line + "\n";
+
+    for (int i = 0; i < vec.size(); ++i) {
+        first = QString("%1").arg(vec[i].first, max_first, QChar(' '));
+        second = QString("%1").arg(vec[i].second, -max_second, QChar(' '));
+        line = first + ": " + second;
+        summary += line + "\n";
+    }
+
+    emit showSummary(summary);
+    emit enableExit();
+}

common/include/System.h

@@ -0,0 +1,63 @@
+#ifndef SYSTEM_H
+#define SYSTEM_H
+
+
+#include <QObject>
+#include <QStringList>
+
+#include <optional>
+#include <initializer_list>
+
+class System : public QObject
+{
+    Q_OBJECT
+
+private:
+    explicit System(QObject *parent = 0);
+
+    static QString errorMsg;
+
+public:
+
+    static const QStringList allowedJsonFiles;
+
+    static bool checkForSDCard();
+    static bool umountSDCard();
+
+    static std::optional<QString> checkForUSBStick(QString const &dirPathUnderMountPath = ".");
+    static std::optional<QString> checkForSDCard(QString const &dirPathUnderMountPath = ".");
+    static QString getUSBMountPath(QString const &dirPathUnderMountPath = ".");
+    static QString getSDMountPath(QString const &dirPathUnderMountPath = ".");
+
+    //static QString getUSBDeviceName();
+    static bool umountUSBStick();
+
+    static bool test_mount(const QString& dev, const QString &mountpoint);
+    static bool test_dir(const QString& dir);
+
+    static quint32 getFreeDiskSpace(const QString& dev);
+    static quint32 getFreeDiskSpaceSDCard();
+    static bool isSDCardWritable();
+    static quint32 getFreeDiskSpaceUSBStick();
+    static bool isUSBStickWritable();
+
+    static quint8 createLogFileBackup(const QString & targzfile, const QString &filelistfile = "");
+    static QString getSDCardMountPath();
+    static QString getSDCardDeviceName();
+
+    static QString getUniqueDeviceId();
+
+    static QString getErrorMessage();
+
+    static QString readStringFromFile(const QString & filename);
+    static int readIntFromFile(const QString & filename);
+
+    static QString getPTU4SerialNumber();
+    static QString getPTU4MACAddress();
+
+    static QStringList getJsonFilesOnUsbStick(QString const &mountPath);
+    static QString getDCFileOnUsbStick(QString const &mountPath);
+    static QString getDCFileOnSDCard(QString const &mountPath);
+};
+
+#endif // SYSTEM_H

common/include/command.h

@@ -0,0 +1,46 @@
+#ifndef COMMAND_H_INCLUDED
+#define COMMAND_H_INCLUDED
+
+#include <QObject>
+#include <QCoreApplication>
+#include <QString>
+#include <QStringList>
+#include <QProcess>
+#include <QScopedPointer>
+
+class Command : public QObject {
+    Q_OBJECT
+
+    QString m_command;
+    QString m_commandResult;
+
+    int m_waitForStartTimeout;
+    int m_waitForFinishTimeout;
+    bool m_verbose;
+    int m_exitCode;
+    QString m_workingDirectory;
+
+    QScopedPointer<QProcess> m_p;
+
+    QStringList m_args;
+
+public:
+    Command(QString command,
+            QStringList args,
+            QString workingDirectory,
+            bool verbose = true,
+            int start_timeout = 100000,
+            int finish_timeout = 100000);
+
+    QString getCommandResult(bool reset = false);
+    QString command() const { return m_command; }
+
+    bool exec();
+    int exitCode() const { return m_exitCode; }
+
+private slots:
+    virtual void readyReadStandardOutput();
+    virtual void readyReadStandardError();
+};
+
+#endif // COMMAND_H_INCLUDED

common/include/message_handler.h

@@ -0,0 +1,23 @@
+#ifndef MESSAGE_HANDLER_H_INCLUDED
+#define MESSAGE_HANDLER_H_INCLUDED
+
+#include <QtGlobal>
+#ifdef __linux__
+#include <syslog.h>
+#endif
+
+int getDebugLevel();
+void setDebugLevel(int newDebugLevel);
+
+bool messageHandlerInstalled();
+QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler);
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const char *);
+void atbDebugOutput(QtMsgType type, const char *msg);
+#elif QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const QMessageLogContext &, const QString &);
+void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg);
+#endif
+
+#endif // MESSAGE_HANDLER_H_INCLUDED

common/include/utils.h

@@ -0,0 +1,16 @@
+#ifndef UTILS_INTERNAL_H_INCLUDED
+#define UTILS_INTERNAL_H_INCLUDED
+
+#include <QString>
+
+namespace internal {
+    int read1stLineOfFile(QString fileName);
+    QString customerRepoRoot();
+    QString customerRepoDir();
+    QString customerRepoDirName();
+    QString repositoryUrl();
+    QString branchName();
+    bool customerRepoExists();
+}
+
+#endif // UTILS_INTERNAL_H_INCLUDED

common/include/utils_internal.h

@@ -0,0 +1,53 @@
+#ifndef UTILS_INTERNAL_H_INCLUDED
+#define UTILS_INTERNAL_H_INCLUDED
+
+#include <QString>
+
+namespace internal {
+
+    static constexpr const char *UPDATE_NOT_NECESSARY{"not necessary"};
+    static constexpr const char *UPDATE_NOT_REQUESTED{"not requested"};
+    static constexpr const char *UPDATE_REQUESTED{"requested"};
+    static constexpr const char *NO_CUSTOMER_REPOSITORY{"no customer repository"};
+    static constexpr const char *ISMAS_CONNECTED{"connected"};
+    static constexpr const char *ISMAS_DISCONNECTED{"disconnected"};
+    static constexpr const char *ISMAS_DISCONNECTING{"disconnecting"};
+    static constexpr const char *ISMAS_NOT_CONNECTED{"not connected"};
+    static constexpr const char *ISMAS_CONNECTION_IN_PROGRESS{"connecting"};
+    static constexpr const char *GIT_CUSTOMER_REPO_CHECKOUT_ERROR{"checkout error"};
+    static constexpr const char *GIT_CUSTOMER_REPO_PULL_ERROR{"pull error"};
+    static constexpr const char *GIT_CUSTOMER_REPO_UP_TO_DATE{"up to date"};
+    static constexpr const char *EXEC_OPKG_COMMANDS_SUCCESS{"success"};
+    static constexpr const char *EXEC_OPKG_COMMANDS_FAIL{"FAIL"};
+    static constexpr const char *EXEC_OPKG_COMMANDS_NOACTION_SUCCESS{"success"};
+    static constexpr const char *EXEC_OPKG_COMMANDS_NOACTION_FAIL{"FAIL"};
+    static constexpr const char *UPDATE_DC_JSON_FILES_SUCCESS{"success"};
+    static constexpr const char *SYNC_CUSTOMER_REPO_FILES_SUCCESS{"success"};
+    static constexpr const char *UPDATE_DC_FIRMARE_SUCCESS{"success"};
+
+    static constexpr const char *OPKG_MARKER{"<OPKG>"};
+    static constexpr const char *SYNC_MARKER{"<SYNC>"};
+    static constexpr const char *DC_MARKER{"<DC>"};
+    static constexpr const char *GIT_MARKER{"<GIT>"};
+    static constexpr const char *ISMAS_MARKER{"<ISMAS>"};
+
+    static constexpr const int PERCENT_CHECK_ISMAS_CONNECIVITY{10};
+    static constexpr const int PERCENT_CHECK_UPDATE_REQUEST{20};
+    static constexpr const int PERCENT_CHECK_CUSTOMER_REPOSITORY{30};
+    static constexpr const int PERCENT_INSTALL_SW_PACKETS_NOACTION{40};
+    static constexpr const int PERCENT_INSTALL_SW_PACKETS{50};
+    static constexpr const int PERCENT_INSTALL_DC_CONFIGURATION{60};
+    static constexpr const int PERCENT_SYNCHRONIZE_REPO_AND_FILESYS{70};
+    static constexpr const int PERCENT_UPDATE_DC{80};
+    static constexpr const int PERCENT_SHOW_FINAL_STATUS{90};
+
+    int read1stLineOfFile(QString fileName);
+    QString customerRepoRoot();
+    QString customerRepoDir();
+    QString customerRepoDirName();
+    QString repositoryUrl();
+    QString branchName();
+    bool customerRepoExists();
+}
+
+#endif // UTILS_INTERNAL_H_INCLUDED

common/ismas/ApismClient.cpp

@@ -0,0 +1,336 @@
+#include "ApismClient.h"
+
+#include <QDebug>
+#include <QByteArray>
+#include <QHostAddress>
+#include <QString>
+#include <QList>
+#include <QListIterator>
+#include <QScopedPointer>
+#include <QProcess>
+#include <QRegularExpression>
+
+
+ApismClient::ApismClient(QObject *parent)
+    : QObject(parent)
+    , lastError(0)
+    , lastErrorDescription("")
+    , currentRequest(ISMAS::REQUEST::NO_REQUEST)
+    , retryCounter(0)
+    , flagValidParameter(false)
+{   
+    this->apismTcpSendClient.reset(new ApismTcpClient("127.0.0.1", "7777", ApismTcpClient::ExpectedResponse::STATE, this));
+    this->apismTcpRequestResponseClient.reset(new ApismTcpClient("127.0.0.1", "7778", ApismTcpClient::ExpectedResponse::JSON,  this));
+
+    this->apismTcpRequestResponseClient->setResponseTimeout(30000);
+
+    connect(apismTcpRequestResponseClient.get(), &ApismTcpClient::receivedData,
+            this, &ApismClient::onReceivedResponse);
+    connect(apismTcpRequestResponseClient.get(), &ApismTcpClient::responseTimeout,
+            this, &ApismClient::onRequestResponseClientResponseTimeout);
+    connect(apismTcpRequestResponseClient.get(), &ApismTcpClient::connectTimeout,
+            this, &ApismClient::onRequestResponseClientConnectTimeout);
+    connect(apismTcpRequestResponseClient.get(), &ApismTcpClient::connectionClosedByRemoteHost,
+            this, &ApismClient::onRequestResponseClientConnectionClosedByRemoteHost);
+    connect(apismTcpRequestResponseClient.get(), &ApismTcpClient::connectionRefusedError,
+            this, &ApismClient::restartApism);
+
+    connect(apismTcpSendClient.get(), &ApismTcpClient::responseTimeout,
+            this, &ApismClient::onSendClientResponseTimeout);
+    connect(apismTcpSendClient.get(), &ApismTcpClient::connectionRefusedError,
+            this, &ApismClient::restartApism);
+
+
+    // not needed as APISM closes the socket after we send data, so readyRead()
+    // might not even fire
+    // connect(&m_socket, SIGNAL(readyRead()), this, SLOT(onReadyRead()));
+
+    // defined for Qt >= 5.15, we have 5.12
+    // qRegisterMetaType<QAbstractSocket::SocketError>();
+    // connect(&m_socket, SIGNAL(errorOccurred(QAbstractSocket::SocketError)),
+    //    this, SLOT(onSocketError(&QAbstractSocket::SocketError)));
+
+    // switch of DEBUG:
+    this->apismTcpSendClient->setDebug(true);
+    this->apismTcpRequestResponseClient->setDebug(true);
+}
+
+ApismClient::~ApismClient() {
+}
+
+void ApismClient::restartApism() {
+    QProcess::startDetached("/bin/systemctl", {"restart", "apism"});
+}
+
+
+void ApismClient::sendSelfTest() {
+    this->currentRequest = ISMAS::REQUEST::SELF;
+    this->apismTcpRequestResponseClient->sendData("#M=APISM#C=REQ_SELF#J={}");
+}
+
+void ApismClient::sendRequestParameter() {
+    this->currentRequest = ISMAS::REQUEST::PARAMETER;
+    this->apismTcpRequestResponseClient->sendData("#M=APISM#C=REQ_ISMASPARAMETER#J={}");
+}
+
+void ApismClient::handleISMASResponseError()
+{    
+    switch (this->currentRequest) {
+    case ISMAS::REQUEST::NO_REQUEST:
+        qCritical() << "ApismClient::onReceivedResponse() for unknown Request: " << currentRequest;
+        break;
+    case ISMAS::REQUEST::PING:
+        //emit this->sendMininformPingResponse(nsApismInterface::RESULT_STATE::ERROR_BACKEND, QJsonObject());
+        break;
+    case ISMAS::REQUEST::SELF:
+        //emit this->sendReqSelfResponse(nsApismInterface::RESULT_STATE::ERROR_BACKEND, QJsonObject());
+        break;
+    case ISMAS::REQUEST::PARAMETER:
+        //emit this->sendReqParameterResponse(nsApismInterface::RESULT_STATE::ERROR_BACKEND, QJsonObject());
+        break;
+    }
+    this->currentRequest = ISMAS::REQUEST::NO_REQUEST;
+}
+
+
+void ApismClient::handleISMASOfflineResponseError()
+{
+    nsApismInterface::RESULT_STATE resultState;
+
+    if (this->retryCounter < 50) {
+        resultState = nsApismInterface::RESULT_STATE::ERROR_RETRY;
+        this->retryCounter++;
+    }
+    else {
+        resultState = nsApismInterface::RESULT_STATE::ERROR_BACKEND;
+        this->retryCounter = 0;
+    }
+
+    qCritical() << "ApismClient::handleISMASOfflineResponseError(): currentRequest is " << this->currentRequest;
+
+
+    switch (this->currentRequest) {
+    case ISMAS::REQUEST::NO_REQUEST:
+        break;
+    case ISMAS::REQUEST::PING:
+        //emit this->sendMininformPingResponse(resultState, QJsonObject());
+        //break;
+    case ISMAS::REQUEST::SELF:
+        emit this->sendReqSelfResponse(resultState, QJsonObject());
+        break;
+    case ISMAS::REQUEST::PARAMETER:
+        emit this->sendReqParameterResponse(resultState, QJsonObject());
+        break;
+    }
+    this->currentRequest = ISMAS::REQUEST::NO_REQUEST;
+
+    // note: this does not work here, because a new request within this error handling method
+    // must use a new socket connection!
+    // This does not work with an allready open socket connection.
+    /* Communication to APISM must be in the following way:
+     *     1) establish socket connection
+     *     2) send your request to this socket
+     *     3) wait for a possible answer
+     *     4) receive the answer
+     *     5) close socket connection
+     *
+     * => a request can only be sent to apsim if the socket is closed!
+     * => apism (socket) is blocked systemwide until socket is closed!
+     * =>
+     */
+
+    //this->sendSelfTest();
+}
+
+
+
+void ApismClient::private_handleErrorResponse(QString errorString)
+{
+    qCritical() << "------------------------------------------------------";
+    qCritical() << "ApismClient::private_handleErrorResponse(" << errorString << ")";
+    qCritical() << "        this->retryCounter = " << this->retryCounter;
+    qCritical() << "------------------------------------------------------";
+
+    this->handleISMASOfflineResponseError();
+}
+
+
+/*
+{\r\n    \"REQ_START#53365_Response\": {\r\n        \"Aknoledge\": \"OK\"\r\n    },
+ \r\n    \"Response\": {\r\n        \"Result\": \"ERR:Ung<6E>ltiger Datums-String: \"\r\n    }\r\n}
+*/
+
+/*
+: ISMAS received:  "{\r\n    \"REQ_PING#30844_Response\": {\r\n        \"Aknoledge\": \"OK\"\r\n    },
+     "PING": { "IsAviable": "TRUE" }
+  }"
+*/
+
+//void ApismClient::onSendClientResponseTimeout()
+//{
+//
+//}
+
+void ApismClient::private_handleReqSelfResponse(QJsonObject response)
+{
+    bool ismasConnected  = response["ISMAS"].toBool();
+    QString brokerConnectedString = response["Broker"].toString();
+
+    qCritical() << "ApismClient::handleReqSelfResponse() " << endl
+                << "                  ismasConnected = " << ismasConnected << endl
+                << "           brokerConnectedString = " << brokerConnectedString;
+
+    /* possible values:    "Restart connection"
+     *                     "Connected"
+     *                     "NOT CONNECTED"
+     */
+    if (brokerConnectedString == "NOT CONNECTED") {
+        qCritical() << "ApismClient: \"NOT CONNECTED\": restart APISM";
+        this->restartApism();
+    }
+
+    emit this->sendReqSelfResponse(nsApismInterface::RESULT_STATE::SUCCESS, response);
+}
+
+/**
+ * sample parameter response:
+        {
+            "REQ_ISMASPARAMETER#4210959_Response": {
+                "Aknoledge": "OK"
+            },
+            "Dev_ID": {
+                "Device_Type": "2020",
+                "Custom_ID": 332,
+                "Device_ID": 99
+            },
+            "Fileupload": {
+                "TRG": ""
+            },
+            "Parameter": {
+                "Location": "An Der Bahn 11",
+                "Group": "Group1",
+                "Zone": "Zone1",
+                "Name": "PSA",
+                "SecNumber": "0",
+                "LastAcc": "0",
+                "GPSLat": "49.6062",
+                "GPSLon": "12.1244",
+                "TarifID": "none",
+                "UserTextID": "1"
+                "TERMINALID": "",
+                "TERMINALKEY": ""
+            },
+            "Lock": {
+                "Locked": "0"
+            }
+        }
+ */
+void ApismClient::private_handleParameterResponse(QJsonObject response)
+{
+    // extract location info and store location info in persistent data:
+    QJsonValue jsonSubVal_Location;
+    jsonSubVal_Location = response["Location"];
+
+    QString locationString = jsonSubVal_Location.toString("no location");
+
+    //this->persistentData->setParameter("Location", locationString);
+
+    // feature UserText
+    QJsonValue jsonSubVal_UserText;
+    jsonSubVal_UserText = response["UserTextID"];
+    QString userTextIdString = jsonSubVal_UserText.toString("0");
+    //this->persistentData->setParameter("UserTextID", userTextIdString);
+
+    // TERMINALID
+    //QJsonValue jsonSubVal_TERMINALID;
+    //jsonSubVal_TERMINALID = response["TERMINALID"];
+    //QString terminalIdString = jsonSubVal_TERMINALID.toString("");
+    //QString terminalIdFile = this->m_config->getSystemDataPath() + "TERMINALID";
+    //QString terminalIdStringOrigin = ATBSystem::readPSAConfigString(terminalIdFile);
+    //if ( (terminalIdString.size() > 1) &&
+    //     (terminalIdString != terminalIdStringOrigin))
+    //{
+    //    qCritical() << "ApismClient::handleParameterResponse(): new TERMINALID: " << terminalIdString;
+    //    ATBSystem::setPSAConfigString(terminalIdFile, terminalIdString);
+    //}
+
+    // TERMINALKEY
+    //QJsonValue jsonSubVal_TERMINALKEY;
+    //jsonSubVal_TERMINALKEY = response["TERMINALKEY"];
+    //QString terminalKeyString = jsonSubVal_TERMINALKEY.toString("");
+    //QString terminalJeyFile = this->m_config->getSystemDataPath() + "TERMINALKEY";
+    //QString terminalKeyStringOrigin = ATBSystem::readPSAConfigString(terminalJeyFile);
+    //if ( (terminalKeyString.size() > 1) &&
+    //     (terminalKeyString != terminalKeyStringOrigin))
+    //{
+    //    qCritical() << "ApismClient::handleParameterResponse(): new TERMINALKEY: " << terminalKeyString;
+    //
+
+    //    ATBSystem::setPSAConfigString(terminalJeyFile, terminalKeyString);
+    //}
+
+
+    //qCritical() << "ApismClient::handleParameterResponse() " << endl
+    //            << "                  Location = " << locationString   << endl
+    //            << "                UserTextID = " << userTextIdString << endl
+    //            << "                TERMINALID = " << terminalIdString << endl
+    //            << "               TERMINALKEY = " << terminalKeyString;
+
+
+    if (locationString != "no location") {
+        this->flagValidParameter = true;
+        emit this->sendReqParameterResponse(nsApismInterface::RESULT_STATE::SUCCESS, response);
+    }
+}
+
+void ApismClient::private_handleFileUploadResponse(QJsonObject response) {
+    QJsonValue jsonSubVal_TRG{response["TRG"]};
+    if (jsonSubVal_TRG.isUndefined()) {
+        return;
+    }
+
+    bool updateRequested = (jsonSubVal_TRG.toString("") == "WAIT");
+
+}
+
+/************************************************************************************************
+ * operators
+ */
+QDebug operator<< (QDebug debug, ISMAS::REQUEST request)
+{
+    switch(request) {
+    case ISMAS::REQUEST::NO_REQUEST:
+        debug << QString("ISMAS::REQUEST::NO_REQUEST");
+        break;
+    case ISMAS::REQUEST::PING:
+        debug << QString("ISMAS::REQUEST::PING");
+        break;
+    case ISMAS::REQUEST::SELF:
+        debug << QString("ISMAS::REQUEST::SELF");
+        break;
+    case ISMAS::REQUEST::PARAMETER:
+        debug << QString("ISMAS::REQUEST::PARAMETER");
+        break;
+    }
+    return debug;
+}
+
+QString& operator<< (QString& str, ISMAS::REQUEST request)
+{
+    switch(request) {
+    case ISMAS::REQUEST::NO_REQUEST:
+        str = QString("ISMAS::REQUEST::NO_REQUEST");
+        break;
+    case ISMAS::REQUEST::PING:
+        str = QString("ISMAS::REQUEST::PING");
+        break;
+    case ISMAS::REQUEST::SELF:
+        str = QString("ISMAS::REQUEST::SELF");
+        break;
+    case ISMAS::REQUEST::PARAMETER:
+        str = QString("ISMAS::REQUEST::PARAMETER");
+        break;
+    }
+    return str;
+}
+

common/ismas/ApismClient.h

@@ -0,0 +1,99 @@
+#ifndef APISM_CLIENT_H_INCLUDED
+#define APISM_CLIENT_H_INCLUDED
+
+#include "ISMASData.h"
+#include "ApismTcpClient.h"
+
+#include <QObject>
+#include <QAbstractSocket>
+#include <QTcpSocket>
+#include <QJsonDocument>
+#include <QJsonArray>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QJsonParseError>
+#include <QJsonValue>
+#include <QScopedPointer>
+
+
+QDebug operator<<(QDebug debug, ISMAS::REQUEST request);
+QString& operator<<(QString& str, ISMAS::REQUEST request);
+
+namespace nsApismInterface {
+    enum class RESULT_STATE : quint8 {
+        SUCCESS = 1,
+        ERROR_BACKEND = 2,   // error from backand (e.g. backend replies with error)
+        ERROR_NETWORK = 3,   // error from network (e.g. host not available)
+        ERROR_TIMEOUT = 4,   // the operation timed out
+        ERROR_PROCESS = 5,   // internal plugin error (e.g. bug in implementation)
+        ERROR_RETRY = 6,     // retry operation
+        INFO = 7
+    };
+}
+
+// class ISMAS::EventData;
+class ApismClient : public QObject {
+    Q_OBJECT
+
+public:
+    explicit ApismClient(QObject *parent = 0);
+    virtual ~ApismClient() = 0;
+
+    quint32 getLastError();
+    const QString & getLastErrorDescription();
+
+    ISMAS::REQUEST getCurrentRequest() const { return currentRequest; }
+    void setCurrentRequest(ISMAS::REQUEST r) { currentRequest = r; }
+
+    void resetRetryCounter() { retryCounter = 0; }
+    int getRetryCounter() const { return retryCounter; }
+    int incrRetryCounter() { return ++retryCounter; }
+
+    ApismTcpClient *tcpSendClient() { return apismTcpSendClient.get(); }
+    ApismTcpClient *tcpRequestResponseClient() { return apismTcpRequestResponseClient.get(); }
+
+public slots:
+    void sendSelfTest();
+    void sendRequestParameter();
+    void restartApism();
+
+signals:
+    void sendReqSelfResponse(nsApismInterface::RESULT_STATE result, QJsonObject response);
+    void sendReqParameterResponse(nsApismInterface::RESULT_STATE result, QJsonObject response);
+
+private slots:
+    virtual void onReceivedResponse(QByteArray response) = 0;
+    virtual void onSendClientResponseTimeout() = 0;
+    virtual void onRequestResponseClientResponseTimeout() = 0;
+    virtual void onRequestResponseClientConnectTimeout() = 0;
+    virtual void onRequestResponseClientConnectionClosedByRemoteHost() = 0;
+
+private:
+    QScopedPointer<ApismTcpClient> apismTcpSendClient;
+    QScopedPointer<ApismTcpClient> apismTcpRequestResponseClient;
+
+    quint32 lastError;
+    QString lastErrorDescription;
+
+    ISMAS::REQUEST currentRequest;
+
+    // counter, incremented if we get an offline response from ISMAS
+    // causes a resend of the currentRequest.
+    int retryCounter;
+
+    // true, if ISMAS REQ_ISAMASPARAMETER got a valid response
+    bool flagValidParameter;
+
+    void private_handlePingResponse(QJsonObject response);
+    void private_handleReqSelfResponse(QJsonObject response);
+    void private_handleReqPingResponse(QJsonObject response);
+    void private_handleParameterResponse(QJsonObject response);
+    void private_handleFileUploadResponse(QJsonObject response);
+    void private_handleErrorResponse(QString errorString);
+
+public:
+    void handleISMASResponseError();
+    void handleISMASOfflineResponseError();
+};
+
+#endif // APISM_CLIENT_H_INCLUDED

common/ismas/ApismClientForUpdate.cpp

@@ -0,0 +1,216 @@
+#include "ApismClientForUpdate.h"
+
+#include <QRegularExpression>
+
+ApismClientForUpdate::ApismClientForUpdate(QObject *parent)
+    : ApismClient(parent) {
+
+}
+
+ApismClientForUpdate::~ApismClientForUpdate() {
+
+}
+
+void ApismClientForUpdate::sendCmdEvent(ISMAS::EventData eventData) {
+    // QScopedPointer<ISMAS::EventData> eventData(new ISMAS::EventData());
+ /*
+    struct EventData : public QJsonObject {
+        struct : public QJsonObject {
+            QJsonValue reason;
+            QJsonValue timestamp;
+            QJsonValue eventID;
+            QJsonValue event;
+            QJsonValue eventState;
+            struct : public QJsonObject {
+                QJsonValue percent;
+                QJsonValue resultCode;
+                QJsonValue step;
+                QJsonValue stepResult;
+                QJsonValue Version;
+            } parameter;
+        } newsToIsmas;
+    };
+
+            "\"REASON\":\"SW_UP\","
+            "\"TIMESTAMP\":\"%s\","
+            "\"EVENT_ID\":\"0\","
+            "\"EVENT\":\"%s\","
+            "\"EVENTSTATE\":1,"
+            "\"PARAMETER\": {"
+                "\"PERCENT\" : %d,"
+                "\"RESULTCODE\" : %d,"
+                "\"STEP\" : \"%s\","
+                "\"STEP_RESULT\" : \"%s\","
+                "\"VERSION\" : \"%s\""
+            "}"
+        "}", ts.toStdStr
+
+*/
+    //eventData->newsToIsmas.reason = data.newsToIsmas;
+    eventData.insert("REASON", eventData.newsToIsmas.reason);
+    eventData.insert("TIMESTAMP", eventData.newsToIsmas.timestamp);
+    eventData.insert("EVENT_ID", eventData.newsToIsmas.eventID);
+    eventData.insert("EVENT", eventData.newsToIsmas.event);
+    eventData.insert("EVENT_STATE", eventData.newsToIsmas.eventState);
+
+    QJsonObject parameterJsonObject;
+    parameterJsonObject.insert("PERCENT", eventData.newsToIsmas.parameter.percent);
+    parameterJsonObject.insert("RESULTCODE", eventData.newsToIsmas.parameter.resultCode);
+    parameterJsonObject.insert("STEP", eventData.newsToIsmas.parameter.step);
+    parameterJsonObject.insert("STEP_RESULT", eventData.newsToIsmas.parameter.stepResult);
+    parameterJsonObject.insert("VERSION", eventData.newsToIsmas.parameter.version);
+
+    eventData.insert("PARAMETER", parameterJsonObject);
+
+    qCritical() << __func__ << ":" << __LINE__ << eventData;
+
+    QJsonDocument jsonDoc(eventData);
+    QByteArray data = "#M=APISM#C=CMD_EVENT#J=";
+    data += jsonDoc.toJson(QJsonDocument::Compact);
+
+    qCritical() << __func__ << ":" << __LINE__ << data;
+
+    tcpSendClient()->sendData(data);
+}
+
+
+void ApismClientForUpdate::onReceivedResponse(QByteArray response) {
+    // get the root object
+    QJsonParseError jsonParseError;
+    QJsonDocument responseDoc = QJsonDocument::fromJson(response, &jsonParseError);
+
+    if (jsonParseError.error != QJsonParseError::NoError) {
+        qCritical() << "ApismClient::onReceivedResponse() response is no json data:";
+        qCritical() << "     Error: " << jsonParseError.errorString();
+
+        // workaround for REQ_SELF and offline
+        if (this->getCurrentRequest() == ISMAS::REQUEST::SELF) {
+            if (response.contains("Connecting...")) {
+                qCritical() << "          -> Connecting...";
+                return;
+            }
+            if (response.contains("ISMAS is offline")) {
+                this->restartApism();
+                qCritical() << "          -> Workaround: restart APISM";
+                return;
+            }
+        }
+
+        if (response.contains("ISMAS is offline")) {
+            this->handleISMASOfflineResponseError();
+            return;
+        }
+        else {
+            this->handleISMASResponseError();
+            return;
+        }
+    }
+
+    QJsonObject rootObject = responseDoc.object();
+    QStringList rootObjectKeys = rootObject.keys();
+
+    // DEBUG
+    qCritical() << "ApismClient::onReceivedResponse(): objects: " << rootObjectKeys;
+    // results to:
+    //  ApismClient::onReceivedResponse(): objects:  ("REQ_START#60044_Response", "Response")
+
+    if(rootObjectKeys.indexOf(QRegularExpression("^CMD_GET_APISMSTATUS.*")) >= 0) {
+        resetRetryCounter();
+        //this->private_handleReqSelfResponse(rootObject["CMD_GET_APISMSTATUS_RESPONSE#0"].toObject());
+    }
+    else
+    if(rootObjectKeys.indexOf(QRegularExpression("^REQ_ISMASPARAMETER.*")) >= 0) {
+        resetRetryCounter();
+        //this->private_handleParameterResponse(rootObject["Parameter"].toObject());
+    }
+    else
+    if(rootObjectKeys.indexOf(QRegularExpression("^REQ_PING.*")) >= 0) {
+        resetRetryCounter();
+        //this->private_handleReqPingResponse(rootObject["PING"].toObject());
+    }
+    else
+    if(rootObjectKeys.indexOf(QRegularExpression("^error")) >= 0) {
+        // handle error objects
+        //this->private_handleErrorResponse(rootObject["error"].toString());
+    }
+    else {
+        qCritical() << "ApismClient::onReceivedResponse() for unknown Request: ";
+        qCritical() << "                     currentRequestName: " << getCurrentRequest();
+        qCritical() << "                      rootObject.keys(): " << rootObjectKeys;
+        this->handleISMASResponseError();
+        return;
+    }
+
+    this->setCurrentRequest(ISMAS::REQUEST::NO_REQUEST);
+}
+
+void ApismClientForUpdate::onSendClientResponseTimeout() {
+
+}
+
+void ApismClientForUpdate::onRequestResponseClientResponseTimeout() {
+    qCritical() << "ApismClient::onRequestResponseClientResponseTimeout(): currentRequest is " << this->getCurrentRequest();
+
+    switch (this->getCurrentRequest()) {
+    case ISMAS::REQUEST::NO_REQUEST:
+        break;
+    case ISMAS::REQUEST::PING:
+        //emit this->sendMininformPingResponse(nsApismInterface::RESULT_STATE::ERROR_TIMEOUT, QJsonObject());
+        break;
+    case ISMAS::REQUEST::SELF:
+        //emit this->sendReqSelfResponse(nsApismInterface::RESULT_STATE::ERROR_TIMEOUT, QJsonObject());
+        break;
+    case ISMAS::REQUEST::PARAMETER:
+        //emit this->sendReqParameterResponse(nsApismInterface::RESULT_STATE::ERROR_TIMEOUT, QJsonObject());
+        break;
+    }
+
+    this->setCurrentRequest(ISMAS::REQUEST::NO_REQUEST);
+}
+
+void ApismClientForUpdate::onRequestResponseClientConnectTimeout() {
+
+    qCritical() << "ApismClient::onRequestResponseClientConnectTimeout(): currentRequest is " << this->getCurrentRequest();
+
+    nsApismInterface::RESULT_STATE resultState;
+
+    resultState = nsApismInterface::RESULT_STATE::ERROR_BACKEND;
+
+    switch (this->getCurrentRequest()) {
+    case ISMAS::REQUEST::NO_REQUEST:
+        qCritical() << "ApismClient::onRequestResponseClientConnectTimeout() for unknown Request: " << getCurrentRequest();
+        break;
+    case ISMAS::REQUEST::PING:
+        //emit this->sendMininformPingResponse(resultState, QJsonObject());
+        break;
+    case ISMAS::REQUEST::SELF:
+        //emit this->sendReqSelfResponse(resultState, QJsonObject());
+        break;
+    case ISMAS::REQUEST::PARAMETER:
+        //emit this->sendReqParameterResponse(resultState, QJsonObject());
+        break;
+    }
+
+    this->setCurrentRequest(ISMAS::REQUEST::NO_REQUEST);
+}
+
+void ApismClientForUpdate::onRequestResponseClientConnectionClosedByRemoteHost() {
+    nsApismInterface::RESULT_STATE resultState = nsApismInterface::RESULT_STATE::ERROR_BACKEND;
+
+    switch (this->getCurrentRequest()) {
+    case ISMAS::REQUEST::NO_REQUEST:
+        qCritical() << "ApismClient::onRequestResponseClientConnectionClosedByRemoteHost() for unknown Request: " << getCurrentRequest();
+        break;
+    case ISMAS::REQUEST::PING:
+        //emit this->sendMininformPingResponse(resultState, QJsonObject());
+        break;
+    case ISMAS::REQUEST::SELF:
+        emit this->sendReqSelfResponse(resultState, QJsonObject());
+        break;
+    case ISMAS::REQUEST::PARAMETER:
+        emit this->sendReqParameterResponse(resultState, QJsonObject());
+        break;
+    }
+
+    this->setCurrentRequest(ISMAS::REQUEST::NO_REQUEST);
+}

common/ismas/ApismClientForUpdate.h

@@ -0,0 +1,24 @@
+#ifndef APISM_CLIENT_FOR_UPDATE_H_INCLUDED
+#define APISM_CLIENT_FOR_UPDATE_H_INCLUDED
+
+#include "ApismClient.h"
+
+class ApismClientForUpdate : public ApismClient {
+public:
+    explicit ApismClientForUpdate(QObject *parent = 0);
+    virtual ~ApismClientForUpdate();
+
+public slots:
+    void sendCmdEvent(ISMAS::EventData);
+
+private slots:
+    virtual void onReceivedResponse(QByteArray response) override;
+    virtual void onSendClientResponseTimeout() override;
+    virtual void onRequestResponseClientResponseTimeout() override;
+    virtual void onRequestResponseClientConnectTimeout() override;
+    virtual void onRequestResponseClientConnectionClosedByRemoteHost() override;
+
+};
+
+#endif // APISM_CLIENT_FOR_UPDATE_H_INCLUDED
+

common/ismas/ApismTcpClient.cpp

@@ -0,0 +1,564 @@
+#include "ApismTcpClient.h"
+
+#include <QHostAddress>
+#include <QTimer>
+
+ApismMessage::ApismMessage() : state(MessageState::INVALID) { }
+
+
+ApismTcpClient::ApismTcpClient(const QString & hostname,
+                               const QString & port,
+                               ExpectedResponse expectedResponse,
+                               QObject *parent)
+    : QObject(parent)
+    , hostname(hostname)
+    , port(port)
+    , responseTimerTimeoutCounter(0)
+    , flag_selfClosed(false)
+    , resendCounter(0)
+    , connectionRefusedCounter(0)
+    , expectedResponse(expectedResponse)
+    , isDebug(false)
+{  
+    this->responseTimeoutTimer = new QTimer(this);
+    this->responseTimeoutTimer->setInterval(10000);
+    this->responseTimeoutTimer->setSingleShot(true);
+
+    connect(this->responseTimeoutTimer, SIGNAL(timeout()), this, SLOT(onResponseTimeoutTimerTimeout()));
+
+    this->connectTimeoutTimer = new QTimer(this);
+    this->connectTimeoutTimer->setInterval(10000);
+    this->connectTimeoutTimer->setSingleShot(true);
+
+    connect(this->connectTimeoutTimer, SIGNAL(timeout()), this, SLOT(onConnectTimeoutTimerTimeout()));
+
+    socket = new QTcpSocket(this);
+    connect(socket, SIGNAL(connected()),    this, SLOT(onSocketConnected()));
+    connect(socket, SIGNAL(disconnected()), this, SLOT(onSocketDisconnected()));
+    connect(socket, SIGNAL(readyRead()),    this, SLOT(onSocketReadyRead()));
+    connect(socket, SIGNAL(bytesWritten(qint64)), this, SLOT(onSocketBytesWritten(qint64)));
+    //  note: from Qt 5.15 onward a new signal "errorOccurred" will be introduced which could be used whithout this static_cast.
+    //  see e.g. https://stackoverflow.com/questions/35655512/compile-error-when-connecting-qtcpsocketerror-using-the-new-qt5-signal-slot
+    connect(socket, static_cast<void (QTcpSocket::*)(QAbstractSocket::SocketError)>(&QAbstractSocket::error), this, &ApismTcpClient::onSocketErrorOccured);
+    connect(socket, &QTcpSocket::stateChanged, this, &ApismTcpClient::onSocketStateChanged);
+
+    this->currentMessage = ApismMessage();
+}
+
+
+void ApismTcpClient::setResponseTimeout(const quint32 timeout_ms)
+{
+    this->responseTimeoutTimer->setInterval(timeout_ms);
+}
+
+void ApismTcpClient::setDebug(bool debug)
+{
+    this->isDebug = debug;
+}
+
+void ApismTcpClient::connectToHost()
+{
+    this->connectTimeoutTimer->start();
+    int portNumber = this->port.toInt();
+    this->socket->connectToHost(QHostAddress(this->hostname), portNumber);
+}
+
+void ApismTcpClient::connectToHost(const QString & hostname, const QString & port)
+{
+    qCritical() << "ApismTcpClient(" << this->expectedResponse << ")::connectToHost(" << hostname << ", " << port << ")";
+
+    this->connectTimeoutTimer->start();
+    int portNumber = port.toInt();
+    socket->connectToHost(hostname, portNumber);
+}
+
+void ApismTcpClient::closeConnection()
+{
+    this->flag_selfClosed = true;
+    socket->close();
+}
+
+bool ApismTcpClient::isConnected()
+{
+    bool result = false;
+    QAbstractSocket::SocketState socketState = socket->state();
+
+    switch (socketState) {
+        case QAbstractSocket::UnconnectedState:
+            /* FALLTHRU */
+        case QAbstractSocket::HostLookupState:
+            /* FALLTHRU */
+        case QAbstractSocket::ConnectingState:
+            result = false;
+            break;
+        case QAbstractSocket::ConnectedState:
+            /* FALLTHRU */
+        case QAbstractSocket::BoundState:
+            result = true;
+            break;
+        case QAbstractSocket::ClosingState:
+            /* FALLTHRU */
+        case QAbstractSocket::ListeningState:
+            result = false;
+            break;
+    }
+
+    return result;
+}
+
+
+
+/**
+ * @brief ApismTcpClient::sendData
+ * @param message
+ *
+ * Enqueue message, and try to send it
+ */
+void ApismTcpClient::sendData(const QByteArray &message)
+{
+    if (this->isDebug) {
+        qCritical() << "ApismTcpClient::sendData(" << message << ")";
+    }
+
+    this->sendQueue.enqueue(message);
+
+    this->sendData();
+}
+
+/**
+ * @brief ApismTcpClient::sendData
+ *
+ * Check connection and try to send message from queue.
+ */
+void ApismTcpClient::sendData()
+{
+    if (this->sendQueue.size() == 0) {
+        if (this->isDebug) {
+            qCritical() << "ApismTcpClient::sendData()" << "no messages in send queue";
+        }
+        return;
+    }
+
+    // DEBUG
+    if (this->isDebug) {
+        qCritical() << "ApismTcpClient(" << this->expectedResponse << ")::sendData() sendQueue.size() = " << this->sendQueue.size();
+    }
+
+    switch (this->currentMessage.state) {
+        case ApismMessage::MessageState::INVALID:
+            /* FALLTHROUGH */
+        case ApismMessage::MessageState::NEW:
+            /* FALLTHROUGH */
+        case ApismMessage::MessageState::RESEND:
+            /* FALLTHROUGH */
+        case ApismMessage::MessageState::ANSWERED:
+            // allow send message
+            if (this->isConnected()) {
+                this->private_sendData();
+            }
+            else {
+                this->connectToHost();
+            }
+        break;
+        case ApismMessage::MessageState::SENT:
+            // wait for answer...
+            if (this->isDebug) {
+                qCritical() << "                ... wait for answer";
+            }
+        break;
+    }
+}
+
+/**
+ * @brief ApismTcpClient::private_sendData
+ *
+ * Precondition:
+ *   - queue is not empty,
+ *   - socket state is connected
+ *   - current message is ANSWERED or INVALID
+ */
+void ApismTcpClient::private_sendData()
+{
+    // take message from queue
+    this->currentMessage.data = this->sendQueue.dequeue();
+    this->currentMessage.state = ApismMessage::MessageState::SENT;
+
+    qCritical() << "ApismTcpClient(" << this->expectedResponse << ")::send: " << QString(this->currentMessage.data);
+
+    socket->write(this->currentMessage.data);
+    socket->flush();
+
+    // start timeoutTimer
+    this->responseTimeoutTimer->start();
+}
+
+
+void ApismTcpClient::onSocketConnected()
+{
+    qCritical() << "ApismTcpClient(" << this->expectedResponse << "): Connected!";
+
+    this->connectTimeoutTimer->stop();
+    this->connectionRefusedCounter = 0;
+
+    switch (this->currentMessage.state) {
+        case ApismMessage::MessageState::INVALID:
+            /* FALLTHROUGH */
+        case ApismMessage::MessageState::NEW:
+            /* FALLTHROUGH */
+        case ApismMessage::MessageState::RESEND:
+            /* FALLTHROUGH */
+        case ApismMessage::MessageState::ANSWERED:
+            // allow send next message
+            if (this->sendQueue.size() > 0) {
+                this->private_sendData();
+            }
+        break;
+        case ApismMessage::MessageState::SENT:
+            // wait for answer...
+        break;
+    }
+}
+
+void ApismTcpClient::onSocketDisconnected()
+{
+    qCritical() << "ApismTcpClient(" << this->expectedResponse << "): Disconnected!";
+
+    if (!this->flag_selfClosed) {
+        qCritical() << "        -> SocketErrorString: " << socket->errorString();
+    }
+    this->flag_selfClosed = false;
+
+    if ( (socket->error() == QAbstractSocket::SocketError::RemoteHostClosedError) &&
+         (this->responseTimeoutTimer->isActive()) )
+    {
+        this->responseTimeoutTimer->stop();
+        qCritical() << "        -> still waiting for response ";
+
+        switch (this->expectedResponse) {
+            case ApismTcpClient::ExpectedResponse::STATE:
+                // try resend:
+                this->currentMessage.state = ApismMessage::MessageState::RESEND;
+                // enqeue current message for resend:
+                this->sendQueue.prepend(this->currentMessage.data);
+
+                this->sendData();
+                break;
+            case ApismTcpClient::ExpectedResponse::JSON:
+                this->currentMessage.state = ApismMessage::MessageState::INVALID;
+                emit this->connectionClosedByRemoteHost();
+                break;
+        }
+    }
+}
+
+void ApismTcpClient::onSocketBytesWritten(qint64 bytes)
+{
+    if (this->isDebug) {
+        qCritical() << "ApismTcpClient(" << this->expectedResponse << ")::onSocketBytesWritten() -> " << bytes << " bytes written";
+    }
+}
+
+void ApismTcpClient::onSocketReadyRead()
+{
+    QByteArray readData;
+
+    // stop timeoutTimer
+    this->responseTimeoutTimer->stop();
+
+    readData = socket->readAll();
+
+    qCritical() << "ApismTcpClient(" << this->expectedResponse << ")::received: " << QString(readData);
+
+    switch (this->expectedResponse) {
+        case ApismTcpClient::ExpectedResponse::JSON:
+            this->private_handleJSONResponse(readData);
+        break;
+        case ApismTcpClient::ExpectedResponse::STATE:
+            this->private_handleStateResponse(readData);
+        break;
+    }
+
+
+    if (this->sendQueue.size() > 0) {
+        QTimer::singleShot(1000,
+                           this,
+                           [this]() { this->sendData(); }
+        );
+    }
+    else {
+        this->flag_selfClosed = true;
+        this->socket->close();
+    }
+}
+
+/******************************************************************************
+ * response handler:
+ */
+void ApismTcpClient::private_handleJSONResponse(QByteArray & responseMessage)
+{
+    emit this->receivedData(responseMessage);
+
+    // allow send next message:
+    this->currentMessage.state = ApismMessage::MessageState::ANSWERED;
+    this->resendCounter = 0;
+}
+
+/* possible answers:
+ *    "RECORD SAVED"           --> everything is ok
+ *    "RECORD WRITE ABORTED"   --> initiate a (delayed) resend
+ *
+ */
+void ApismTcpClient::private_handleStateResponse(QByteArray & responseMessage)
+{
+    QString responseMessageString = QString(responseMessage);
+
+    if (responseMessageString.contains("ABORTED")) {
+        // Try to resend later:
+        this->currentMessage.state = ApismMessage::MessageState::RESEND;
+        // enqeue current message for resend:
+        this->sendQueue.prepend(this->currentMessage.data);
+    }
+    else
+    if (responseMessageString.contains("RECORD SAVED")) {
+        // allow send next message:
+        this->currentMessage.state = ApismMessage::MessageState::ANSWERED;
+        this->resendCounter = 0;
+    }
+}
+
+/******************************************************************************
+ */
+
+
+
+
+
+void ApismTcpClient::onResponseTimeoutTimerTimeout()
+{
+    qCritical() << "ApismTcpClient(" << this->expectedResponse << ")::onResponseTimeoutTimerTimeout():";
+
+
+    switch (this->currentMessage.state) {
+        case ApismMessage::MessageState::INVALID:
+            /* FALLTHROUGH */
+        case ApismMessage::MessageState::NEW:
+            /* FALLTHROUGH */
+        case ApismMessage::MessageState::ANSWERED:
+            // ignore
+            qCritical() << "                -> ignore timeout";
+            return;
+        break;
+        case ApismMessage::MessageState::RESEND:
+            qCritical() << "                -> timeout (RESEND)";
+            qCritical() << "                -> resendCounter = " << this->resendCounter;
+            switch (this->expectedResponse) {
+            case ApismTcpClient::ExpectedResponse::STATE:
+                // try resend:
+                this->currentMessage.state = ApismMessage::MessageState::RESEND;
+                // enqeue current message for resend:
+                this->sendQueue.prepend(this->currentMessage.data);
+
+                this->sendData();
+                break;
+            case ApismTcpClient::ExpectedResponse::JSON:
+                this->currentMessage.state = ApismMessage::MessageState::INVALID;
+                emit this->responseTimeout();
+                break;
+        }
+        break;
+        case ApismMessage::MessageState::SENT:
+            // we still do not have a response:
+
+            switch (this->expectedResponse) {
+                case ApismTcpClient::ExpectedResponse::STATE:
+                    // try resend:
+                    this->currentMessage.state = ApismMessage::MessageState::RESEND;
+                    // enqeue current message for resend:
+                    this->sendQueue.prepend(this->currentMessage.data);
+
+                    this->sendData();
+                    break;
+                case ApismTcpClient::ExpectedResponse::JSON:
+                    this->currentMessage.state = ApismMessage::MessageState::INVALID;
+                    emit this->responseTimeout();
+                    break;
+            }
+
+
+        break;
+    }
+
+    // count resends
+    this->resendCounter++;
+}
+
+
+
+void ApismTcpClient::onConnectTimeoutTimerTimeout()
+{
+    if (this->sendQueue.size() == 0) {
+        return;
+    }
+
+    qCritical() << "ApismTcpClient(" << this->expectedResponse << ")::onConnectTimeoutTimerTimeout() -> sendQueue.size() = " << this->sendQueue.size();
+
+    emit this->connectTimeout();
+}
+
+
+void ApismTcpClient::onSocketStateChanged(QAbstractSocket::SocketState socketState)
+{
+    QString msg;
+
+    switch (socketState) {
+        case QAbstractSocket::UnconnectedState:
+            msg = "UnconnectedState";
+            break;
+        case QAbstractSocket::HostLookupState:
+            msg = "HostLookupState";
+            break;
+        case QAbstractSocket::ConnectingState:
+            msg = "ConnectingState";
+            break;
+        case QAbstractSocket::ConnectedState:
+            msg = "ConnectedState";
+            break;
+        case QAbstractSocket::BoundState:
+            msg = "BoundState";
+            break;
+        case QAbstractSocket::ClosingState:
+            msg = "ClosingState";
+            break;
+         case QAbstractSocket::ListeningState:
+            msg = "ListeningState";
+            break;
+    }
+
+    if (this->isDebug) {
+        qCritical() << "ApismTcpClient(" << this->expectedResponse << ")::onSocketStateChanged() to: " << msg;
+    }
+}
+
+void ApismTcpClient::onSocketErrorOccured(QAbstractSocket::SocketError socketError)
+{
+    QString msg;
+    bool flagReconnect = false;
+
+    switch (socketError) {
+        case QAbstractSocket::ConnectionRefusedError:
+            msg = "ConnectionRefusedError";
+            flagReconnect = true;
+            this->private_handleConnectionRefusedError();
+            break;
+        case QAbstractSocket::RemoteHostClosedError:
+            msg = "RemoteHostClosedError";
+            break;
+        case QAbstractSocket::HostNotFoundError:
+            msg = "HostNotFoundError";
+            break;
+        case QAbstractSocket::SocketAccessError:
+            msg = "SocketAccessError";
+            break;
+        case QAbstractSocket::SocketResourceError:
+            msg = "SocketResourceError";
+            break;
+        case QAbstractSocket::SocketTimeoutError:
+            msg = "SocketTimeoutError";
+            break;
+        case QAbstractSocket::DatagramTooLargeError:
+            msg = "DatagramTooLargeError";
+            break;
+        case QAbstractSocket::NetworkError:
+            msg = "NetworkError";
+            break;
+        case QAbstractSocket::AddressInUseError:
+            msg = "AddressInUseError";
+            break;
+        case QAbstractSocket::SocketAddressNotAvailableError:
+            msg = "SocketAddressNotAvailableError";
+            break;
+        case QAbstractSocket::UnsupportedSocketOperationError:
+            msg = "UnsupportedSocketOperationError";
+            break;
+        case QAbstractSocket::ProxyAuthenticationRequiredError:
+            msg = "ProxyAuthenticationRequiredError";
+            break;
+        case QAbstractSocket::SslHandshakeFailedError:
+            msg = "SslHandshakeFailedError";
+            break;
+        case QAbstractSocket::UnfinishedSocketOperationError:
+            msg = "UnfinishedSocketOperationError";
+            break;
+        case QAbstractSocket::ProxyConnectionRefusedError:
+            msg = "ProxyConnectionRefusedError";
+            break;
+        case QAbstractSocket::ProxyConnectionClosedError:
+            msg = "ProxyConnectionClosedError";
+            break;
+        case QAbstractSocket::ProxyConnectionTimeoutError:
+            msg = "ProxyConnectionTimeoutError";
+            break;
+        case QAbstractSocket::ProxyNotFoundError:
+            msg = "ProxyNotFoundError";
+            break;
+        case QAbstractSocket::ProxyProtocolError:
+            msg = "ProxyProtocolError";
+            break;
+        case QAbstractSocket::OperationError:
+            msg = "OperationError";
+            break;
+        case QAbstractSocket::SslInternalError:
+            msg = "SslInternalError";
+            break;
+        case QAbstractSocket::SslInvalidUserDataError:
+            msg = "SslInvalidUserDataError";
+            break;
+        case QAbstractSocket::TemporaryError:
+            msg = "TemporaryError";
+            break;
+        case QAbstractSocket::UnknownSocketError:
+            msg = "UnknownSocketError";
+            break;
+
+    }
+
+    qCritical() << "ApismTcpClient(" << this->expectedResponse << ")::ApismTcpClient::onSocketErrorOccured() -> " << msg;
+
+    if (flagReconnect) {
+        // try to reconnect for sending:
+        if (this->sendQueue.size() > 0) {
+            QTimer::singleShot(1000,
+                               this,
+                               [this]() { this->connectToHost(); }
+            );
+        }
+    }
+}
+
+
+void ApismTcpClient::private_handleConnectionRefusedError()
+{
+    if (this->connectionRefusedCounter > 5) {
+        qCritical() << "ApismTcpClient(" << this->expectedResponse << ")::ApismTcpClient::connectionRefusedError()";
+        this->connectionRefusedCounter = 0;
+        emit this->connectionRefusedError();
+    }
+    else {
+        this->connectionRefusedCounter++;
+    }
+}
+
+
+
+QDebug operator<<(QDebug debug, ApismTcpClient::ExpectedResponse response)
+{
+    switch (response) {
+        case ApismTcpClient::ExpectedResponse::JSON:
+            debug << "JSON";
+        break;
+        case ApismTcpClient::ExpectedResponse::STATE:
+            debug << "STATE";
+        break;
+    }
+    return debug;
+}

common/ismas/ApismTcpClient.h

@@ -0,0 +1,116 @@
+#ifndef APISMTCPCLIENT_H
+#define APISMTCPCLIENT_H
+
+#include <QObject>
+
+#include <QTcpSocket>
+#include <QAbstractSocket>
+#include <QByteArray>
+#include <QQueue>
+
+class QTimer;
+
+
+class ApismMessage
+{
+public:
+
+    enum class MessageState {
+        INVALID,
+        NEW,
+        SENT,
+        ANSWERED,
+        RESEND
+     };
+     MessageState state;
+
+     QByteArray data;
+
+     ApismMessage();
+};
+
+
+
+
+class ApismTcpClient : public QObject
+{
+    Q_OBJECT
+
+public:
+    enum class ExpectedResponse {
+        JSON,
+        STATE
+     };
+
+    explicit ApismTcpClient(const QString & hostname, const QString & port, ExpectedResponse expectedResponse, QObject *parent = nullptr);
+    bool isConnected();
+
+    void connectToHost();
+    void connectToHost(const QString & hostname, const QString & port);
+    void setResponseTimeout(const quint32 timeout_ms);
+
+    // socket is implicitely closed by APISM
+    void closeConnection();
+
+    void sendData(const QByteArray & message);
+    void sendData();
+
+    void setDebug(bool debug);
+
+private slots:
+    // socket interface
+    void onSocketConnected();
+    void onSocketDisconnected();
+    void onSocketBytesWritten(qint64 bytes);
+    void onSocketReadyRead();
+    void onSocketStateChanged(QAbstractSocket::SocketState socketState);
+    void onSocketErrorOccured(QAbstractSocket::SocketError socketError);
+
+signals:
+    void receivedData(QByteArray response);
+
+    void responseTimeout();
+    void connectTimeout();
+    void connectionClosedByRemoteHost();
+    void connectionRefusedError();
+
+private:
+    QTcpSocket *socket;
+
+    QQueue<QByteArray> sendQueue;
+    ApismMessage currentMessage;
+
+    QString hostname;
+    QString port;
+
+    QTimer *responseTimeoutTimer;
+    quint8 responseTimerTimeoutCounter;
+
+    QTimer *connectTimeoutTimer;
+
+    void private_sendData();
+    bool flag_selfClosed;
+
+    int resendCounter;
+    int connectionRefusedCounter;
+
+    ExpectedResponse expectedResponse;
+
+    void private_handleJSONResponse(QByteArray & responseMessage);
+    void private_handleTextResponse(QByteArray & responseMessage);
+    void private_handleStateResponse(QByteArray & responseMessage);
+
+    void private_handleConnectionRefusedError();
+
+    bool isDebug;
+
+public slots:
+    void onResponseTimeoutTimerTimeout();
+    void onConnectTimeoutTimerTimeout();
+
+};
+
+QDebug operator<<(QDebug debug, ApismTcpClient::ExpectedResponse response);
+
+
+#endif // APISMTCPCLIENT_H

common/ismas/ISMASData.h

@@ -0,0 +1,106 @@
+#ifndef ISMASDATA_H
+#define ISMASDATA_H
+
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QDateTime>
+
+namespace ISMAS {
+
+    static QString computeTimeStamp() {
+        QDateTime const local(QDateTime::currentDateTime());
+
+        QDateTime utc(local);
+        utc.setTimeSpec(Qt::UTC);
+
+        int const diff = (int)local.secsTo(utc); // diff between UTC and local time
+
+        QTime t(0, 0, 0);
+        t = t.addSecs((uint)diff);
+
+        QString const st(QString("%1%2").arg(diff < 0 ? "-" : "+").arg(t.toString("hh:mm")));
+        return QString (local.toString(Qt::ISODateWithMs) + st);
+    }
+
+//
+// Note:
+//    ! After U0002 immer ein CMD_SENDVERSION
+//    ! Only U0002 and U0003 finish the Update process.
+//    ! U0001: Update finished but not activated
+//    ! U0002: Update finished and activated
+//    ! U0003: Update finished but FAILed.
+//
+// #define _ISMAS_DONE                 "U0001" // 100%, Check: Resultcode: 0
+// #define _ISMAS_SET_WAIT_OK          "U0002" // empty WAIT-button (""), ResultCode: 0
+// #define _ISMAS_NO_UPDATE_NECESSARY  "M0100" // empty WAIT-button (""), ResultCode: 0
+// #define _ISMAS_FAILURE              "U0003" // FAIL
+// #define _ISMAS_CONTINUE             "U0010" // %-values: update running, result codes according running step
+// #define _ISMAS_RESET_WAIT           "ISMAS" // reset WAIT-button to "WAIT"
+// #define _ISMAS_TEST_TRIGGER         "U0099" // check the WAIT-button
+
+    static constexpr const char *DONE               {"U0001"};
+    static constexpr const char *SET_WAIT_OK        {"U0002"};
+    static constexpr const char *NO_UPDATE_NECESSARY{"M0100"};
+    static constexpr const char *FAILURE            {"U0003"};
+    static constexpr const char *CONTINUE           {"U0010"};
+    static constexpr const char *RESET_WAIT         {"ISMAS"};
+    static constexpr const char *TEST_TRIGGER       {"U0099"};
+
+    struct EventData : public QJsonObject {
+        struct : public QJsonObject {
+            QJsonValue reason;
+            QJsonValue timestamp;
+            QJsonValue eventID;
+            QJsonValue event;
+            QJsonValue eventState;
+            struct : public QJsonObject {
+                QJsonValue percent;
+                QJsonValue resultCode;
+                QJsonValue step;
+                QJsonValue stepResult;
+                QJsonValue version;
+            } parameter;
+        } newsToIsmas;
+
+        explicit EventData(QString const &event,
+                           int percent,
+                           int resultCode,
+                           QString const &step,
+                           QString const &stepResult,
+                           QString const &version = "",
+                           QString const &reason = "SW_UP") {
+            newsToIsmas.reason = reason;
+            newsToIsmas.timestamp = computeTimeStamp();
+            newsToIsmas.eventID = QString{"0"};
+            newsToIsmas.event = event;
+            newsToIsmas.eventState = 1;
+            newsToIsmas.parameter.percent = percent;
+            newsToIsmas.parameter.resultCode = resultCode;
+            newsToIsmas.parameter.step = step;
+            newsToIsmas.parameter.stepResult = stepResult;
+            newsToIsmas.parameter.version = version;
+        }
+    };
+
+    struct StateData : public QJsonObject {
+        QJsonValue Timestamp;
+        QJsonArray HW_States;
+        struct : public QJsonObject {
+            QJsonValue name;
+            QJsonValue value;
+            QJsonValue unit;
+        } machineState;                  //
+    };
+
+
+    enum class REQUEST : quint8 {
+        NO_REQUEST,
+        PING,
+        SELF,
+        PARAMETER
+    };
+}
+
+
+
+#endif // ISMASDATA_H

common/src/System.cpp

@@ -0,0 +1,815 @@
+#include "System.h"
+#include <QFile>
+#include <QFileInfo>
+#include <QDir>
+#include <QTextStream>
+#include <QProcess>
+#include <QRegExp>
+#include <QStringList>
+#include <QDebug>
+#include <QDirIterator>
+
+//#include "version.h"
+
+
+
+
+const QStringList System::allowedJsonFiles =
+std::initializer_list<QString>{
+    QString("DC2C_conf.json"),
+    QString("DC2C_cash.json"),
+    QString("DC2C_device.json"),
+    QString("DC2C_print01.json"),
+    QString("DC2C_print02.json"),
+    QString("DC2C_print03.json"),
+    QString("DC2C_print04.json"),
+    QString("DC2C_print05.json"),
+    QString("DC2C_print06.json"),
+    QString("DC2C_print07.json"),
+    QString("DC2C_print08.json"),
+    QString("DC2C_print09.json"),
+    QString("DC2C_print10.json"),
+    QString("DC2C_print11.json"),
+    QString("DC2C_print12.json"),
+    QString("DC2C_print13.json"),
+    QString("DC2C_print14.json"),
+    QString("DC2C_print15.json"),
+    QString("DC2C_print16.json"),
+    QString("DC2C_print17.json"),
+    QString("DC2C_print18.json"),
+    QString("DC2C_print19.json"),
+    QString("DC2C_print20.json"),
+    QString("DC2C_print21.json"),
+    QString("DC2C_print22.json"),
+    QString("DC2C_print23.json"),
+    QString("DC2C_print24.json"),
+    QString("DC2C_print25.json"),
+    QString("DC2C_print26.json"),
+    QString("DC2C_print27.json"),
+    QString("DC2C_print28.json"),
+    QString("DC2C_print29.json"),
+    QString("DC2C_print30.json"),
+    QString("DC2C_print31.json"),
+    QString("DC2C_print32.json")
+};
+
+QString System::errorMsg = "";
+
+System::System(QObject *parent) :
+    QObject(parent)
+{
+
+}
+
+
+
+/********************************************************************************
+ * static function to return error message.
+ *
+ */
+QString System::getErrorMessage()
+{
+    return errorMsg;
+}
+
+
+
+/********************************************************************************
+ * static function to check if a writable SD-card is in the cardslot.
+ *
+ * This function only checks a certain path or a mount entry. It does not mount
+ * a SD-card, this must be provided by the OS (automounter).
+ *
+ * returns 1 if a SD-card is available, 0 otherwise.
+ */
+bool System::checkForSDCard()
+{
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    return true;
+#endif
+
+
+
+    if (!test_mount(getSDCardDeviceName(), getSDCardMountPath())) {
+        qDebug() << "check for SD-card failed: \n"
+                 << "    device name is: " << getSDCardDeviceName()
+                 << "    mount path is:  " << getSDCardMountPath();
+        return false;
+    }
+
+    return true;
+}
+
+
+/********************************************************************************
+ * static function for umount sd-card.
+ *
+ */
+bool System::umountSDCard()
+{
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    return true;
+#endif
+
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    QString commandString = "umount " + getSDCardMountPath();
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::umountSDCard(): ERROR: waitForStarted()";
+        return false;
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::umountSDCard(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return false;
+    }
+    else {
+        QByteArray bytes = process.readAll();
+        QStringList lines = QString(bytes).split("\n");
+        foreach (QString line, lines) {
+            qDebug() << "System::umountSDCard() line:    " << line;
+        }
+    }
+
+
+    return true;
+}
+
+
+
+/********************************************************************************
+ * static function for umount usb-stick.
+ *
+ */
+bool System::umountUSBStick()
+{
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    return true;
+#endif
+
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    QString commandString = "umount " + getUSBMountPath();
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::umountUSBStick(): ERROR: waitForStarted()";
+        return false;
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::umountUSBStick(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return false;
+    }
+    else {
+        QByteArray bytes = process.readAll();
+        QStringList lines = QString(bytes).split("\n");
+        foreach (QString line, lines) {
+            qDebug() << "System::umountUSBStick() line:    " << line;
+        }
+    }
+
+
+    return true;
+}
+
+
+
+/*****************************************************************************
+ * test, if a certain device is already mounted
+ *
+ * e.g. a mounted SD-card on PTU4:
+ *  - device is '/dev/mmcblk0p1'
+ *  - mount path is '/media/mmcblk0p1'
+ *
+ * e.g. a mounted USB-Stick on PTU4:
+ *  - device is '/dev/sda'
+ *  - mount path is '/media/sda'
+ */
+bool System::test_mount(const QString& dev, const QString& mountpoint)
+{
+    bool mounted = false;
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    qDebug() << "System::test_mount() dev = " << dev;
+    qDebug() << "System::test_mount() mountpoint = " << mountpoint;
+
+    //normalize mountpoint: (mountpoint is without trailing '/')
+    QString tmp_mountpoint =  QString(mountpoint).remove(QRegExp("/*$"));
+
+    QString commandString = "mount";
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::test_mount(): ERROR: waitForStarted()";
+        return false;
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::test_mount(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return false;
+    }
+    else {
+        QByteArray bytes = process.readAll();
+        QStringList lines = QString(bytes).split("\n");
+        foreach (QString line, lines) {
+            //qDebug() << "System::test_mount() line:    " << line;
+
+            //if (line.contains(dev)) qDebug() << "System::test_mount() line contains dev";
+            //if (line.contains(tmp_mountpoint)) qDebug() << "System::test_mount() line contains mountpoint";
+
+            if (line.contains(dev) && line.contains(tmp_mountpoint)) {
+                qDebug() << "System::test_mount(): " << dev << " is mounted on " << tmp_mountpoint;
+                mounted = true;
+            }
+        }
+    }
+
+
+    return mounted;
+}
+
+
+/*****************************************************************************
+ *  test, if a certain directory is existing and readable
+ */
+bool System::test_dir(const QString& dir)
+{
+    QFileInfo fileInfo(dir);
+    if (! fileInfo.isDir() ) {   return false;  }
+
+    return true;
+}
+
+
+
+std::optional<QString> System::checkForUSBStick(QString const &dirPathUnderMountPath) {
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    if (QFileInfo(getUSBMountPath()).isDir())
+        return true;
+    else
+        return false;
+#endif
+
+    QString const &mountPath = getUSBMountPath(dirPathUnderMountPath);
+    // qCritical() << "MOUNT-PATH" << mountPath;
+    return mountPath.isEmpty() ? std::nullopt : std::optional<QString>(mountPath);
+}
+
+std::optional<QString> System::checkForSDCard(QString const &dirPathUnderMountPath) {
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    if (QFileInfo(getSDMountPath()).isDir())
+        return true;
+    else
+        return false;
+#endif
+
+    QString const &mountPath = getSDMountPath(dirPathUnderMountPath);
+    // qCritical() << "MOUNT-PATH" << mountPath;
+    return mountPath.isEmpty() ? std::nullopt : std::optional<QString>(mountPath);
+}
+
+
+
+/**
+ * @brief SupportSystem::getUSBMountPath
+ * @return path where a USB storage device is mounted.
+ *
+ * Note, do not return an empty string ("") here because a calling method (which could not be
+ * identified till now) is relying on this!
+ */
+QString System::getUSBMountPath(QString const &dirPathUnderMountPath) {
+
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    return QDir::homePath().append("/APconfigTest/USB");
+#endif
+
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    QStringList mountLine;
+
+    qDebug() << "System::getUSBMountPath()";
+
+    QRegExp devRegExp   = QRegExp("dev/sd*",   Qt::CaseSensitive, QRegExp::WildcardUnix);
+    QRegExp mountRegExp = QRegExp("media/sd*", Qt::CaseSensitive, QRegExp::WildcardUnix);
+
+    QString commandString = "mount";
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::getUSBMountPath(): ERROR: waitForStarted()";
+        return "";
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::getUSBMountPath(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return "";
+    }
+    else {
+        QByteArray bytes = process.readAll();
+        QStringList lines = QString(bytes).split("\n");
+        foreach (QString line, lines) {
+            qDebug() << "System::getUSBMountPath() line:    " << line;
+
+            if (line.contains(devRegExp) && line.contains(mountRegExp)) {
+
+                qDebug() << "  -> this line is a usb storage device mount" << line;
+
+                mountLine = line.split(' ');
+                if (mountLine.size() > 3) {
+                    // qCritical() << "System::getUSBMountPath(): " << mountLine.at(0) << " is mounted on " << mountLine.at(2);
+                    QDir d(QDir::cleanPath(mountLine.at(2) + QDir::separator() + dirPathUnderMountPath));
+                    if (d.exists()) {
+                        return mountLine.at(2);
+                    } else {
+                        qCritical() << "directory" << d.absolutePath() << "does not exist";
+                    }
+                }
+            }
+        }
+    }
+
+    qDebug() << "System::getUSBMountPath() no mounted usb device found!";
+
+    return "";
+}
+
+QString System::getSDMountPath(QString const &dirPathUnderMountPath) {
+
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    return QDir::homePath().append("/APconfigTest/USB");
+#endif
+
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    QStringList mountLine;
+
+    qDebug() << "System::getSDMountPath()";
+
+    QRegExp devRegExp   = QRegExp("dev/mmc*",   Qt::CaseSensitive, QRegExp::WildcardUnix);
+    QRegExp mountRegExp = QRegExp("media/mmc*", Qt::CaseSensitive, QRegExp::WildcardUnix);
+
+    QString commandString = "mount";
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::getSDMountPath(): ERROR: waitForStarted()";
+        return "";
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::getSDMountPath(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return "";
+    }
+    else {
+        QByteArray bytes = process.readAll();
+        QStringList lines = QString(bytes).split("\n");
+        foreach (QString line, lines) {
+            qDebug() << "System::getSDMountPath() line:    " << line;
+
+            if (line.contains(devRegExp) && line.contains(mountRegExp)) {
+
+                qDebug() << "  -> this line is a usb storage device mount" << line;
+
+                mountLine = line.split(' ');
+                if (mountLine.size() > 3) {
+                    // qCritical() << "System::getSDMountPath(): " << mountLine.at(0) << " is mounted on " << mountLine.at(2);
+                    QDir d(QDir::cleanPath(mountLine.at(2) + QDir::separator() + dirPathUnderMountPath));
+                    if (d.exists()) {
+                        return mountLine.at(2);
+                    } else {
+                        qCritical() << "directory" << d.absolutePath() << "does not exist";
+                    }
+                }
+            }
+        }
+    }
+
+    qDebug() << "System::getSDMountPath() no mounted usb device found!";
+
+    return "";
+}
+
+QStringList System::getJsonFilesOnUsbStick(QString const &mountPath) {
+    QStringList jsonFiles;
+
+    // /media/sda2/etc/psa_config
+    QString const &dirPath = QDir::cleanPath(mountPath + QDir::separator() + "etc" + QDir::separator() + "psa_config");
+    QDir d(dirPath);
+    if (d.exists()) {
+        QDirIterator it(dirPath, QStringList() << "*.json", QDir::Files, QDirIterator::NoIteratorFlags);
+        while (it.hasNext()) {
+            QString const &jsonFile = it.next();
+            QFileInfo fi(jsonFile);
+            if (System::allowedJsonFiles.contains(fi.fileName())) {
+                jsonFiles << jsonFile;
+            } else {
+                qCritical() << "Warning:" << fi.fileName() << "unknown";
+            }
+        }
+    }
+
+    return jsonFiles;
+}
+
+QString System::getDCFileOnUsbStick(QString const &mountPath) {
+    QString dcFile;
+
+    // /media/sda2/etc/dc
+    QString const &dirPath = QDir::cleanPath(mountPath + QDir::separator() + "etc" + QDir::separator() + "dc");
+    QDir d(dirPath);
+    if (d.exists()) {
+        QFileInfo fi(dirPath + QDir::separator() + "dc2c.bin");
+        if (fi.exists()) {
+            dcFile = fi.absoluteFilePath();
+        }
+    }
+
+    return dcFile;
+}
+
+QString System::getDCFileOnSDCard(QString const &mountPath) {
+    QString dcFile;
+
+    // /media/sda2/etc/dc
+    QString const &dirPath = QDir::cleanPath(mountPath + QDir::separator() + "etc" + QDir::separator() + "dc");
+    QDir d(dirPath);
+    if (d.exists()) {
+        QFileInfo fi(dirPath + QDir::separator() + "dc2c.bin");
+        if (fi.exists()) {
+            dcFile = fi.absoluteFilePath();
+        }
+    }
+
+    return dcFile;
+}
+
+/********************************************************************************
+ * static function to check if a mounted sd-card is writable.
+ *
+ * Note: the caller must ensure (e.g. by calling checkForSDCard()) that a
+ * sd-card is mounted.
+ *
+ */
+bool System::isSDCardWritable()
+{
+    QFileInfo fi(getSDCardMountPath());
+
+    if(fi.isDir() && fi.isWritable()) {
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+/********************************************************************************
+ * static function to check if a mounted usb-stick is writable.
+ *
+ * Note: the caller must ensure (e.g. by calling checkForUSBStick()) that a
+ * usb-stick is mounted.
+ *
+ */
+bool System::isUSBStickWritable()
+{
+    QFileInfo fi(getUSBMountPath());
+
+    if(fi.isDir() && fi.isWritable()) {
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+
+/********************************************************************************
+ * wrapper function for getting free space on a sd-card on ptu
+ *
+ */
+quint32 System::getFreeDiskSpaceSDCard()
+{
+#if defined (ARCH_DesktopLinux)
+    return getFreeDiskSpace("/home/siegert/server1home");
+#endif
+    return getFreeDiskSpace(getSDCardMountPath());
+}
+
+
+/********************************************************************************
+ * wrapper function for getting free space on a usb storage device on ptu
+ *
+ */
+quint32 System::getFreeDiskSpaceUSBStick()
+{
+#if defined (ARCH_DesktopLinux)
+    return getFreeDiskSpace("/home/siegert/server1home");
+#endif
+    return getFreeDiskSpace(getUSBMountPath());
+}
+
+
+/********************************************************************************
+ * static function to read free disk space
+ *
+ * example output of 'df' command on ptu:
+ *   # df
+ *   Filesystem     1K-blocks  Used Available Use% Mounted on
+ *   ubi0:rootfs       111704 78940     32764  71% /
+ *   devtmpfs           62072     0     62072   0% /dev
+ *   tmpfs              62332     0     62332   0% /dev/shm
+ *   tmpfs              62332   416     61916   1% /tmp
+ *   tmpfs              62332    24     62308   1% /run
+ *   ubi0:data         222260  5892    216368   3% /opt
+ *   tmpfs              62332     0     62332   0% /media
+ *   /dev/mmcblk0p1   3878912 87360   3791552   3% /media/mmcblk0p1
+ *
+ * in this case, if we want to get the free space on the sd-card the methode should
+ * be called:
+ *   getFreeDiskSpace("/dev/mmcblk0p1")
+ * the result should be:
+ *   3791552
+ *
+ */
+quint32  System::getFreeDiskSpace(const QString& dev)
+{
+    quint32 availableSpace = 0;
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    //qDebug() << "System::getFreeDiskSpace() dev = " << dev;
+
+    QString commandString = "df";
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::getFreeDiskSpace(): ERROR: waitForStarted()";
+        return availableSpace;
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::getFreeDiskSpace(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return availableSpace;
+    }
+    else {
+        QByteArray bytes = process.readAll();
+        QStringList lines = QString(bytes).split("\n");
+        foreach (QString line, lines) {
+            //qDebug() << "System::getFreeDiskSpace() line:    " << line;
+
+
+
+            if (line.contains(dev)) {
+                //qDebug() << "System::getFreeDiskSpace() line contains dev";
+
+                QStringList processResultLine = line.split(' ', QString::SkipEmptyParts);
+                if (processResultLine.size() >= 4) {
+                    bool ok;
+                    availableSpace = processResultLine.at(3).toLong(&ok);
+                    if (!ok) {
+                        return 0;
+                    }
+                    qDebug() << "System::getFreeDiskSpace() availableSpace = " << availableSpace;
+                }
+                else {
+                    return availableSpace;
+                }
+
+
+            }
+        }
+    }
+
+
+    return availableSpace;
+
+
+}
+
+
+
+
+
+
+/********************************************************************************
+ * static function to create a backup of logfiles
+ *
+ * 'targzfile' is an absolute filename for ar tar.gz file wich will be created
+ * 'filelistfile' is an absolute filename of a file containing all names of files
+ *                which should be backed up.
+ *
+ * returns:
+ *  1 on success
+ *  0 on failure
+ *
+ */
+quint8 System::createLogFileBackup(const QString & targzfile, const QString &filelistfile)
+{
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    qDebug() << "System::createLogFileBackup() targzfile    = " << targzfile;
+    qDebug() << "System::createLogFileBackup() filelistfile = " << filelistfile;
+
+    QString commandString = "tar hczvf " + targzfile + " -T " + filelistfile;
+
+    qDebug() << "System::createLogFileBackup() tar command:" << commandString;
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::createLogFileBackup(): ERROR: waitForStarted()";
+        return 1;
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::createLogFileBackup(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return 1;
+    }
+    else {
+        // DEBUG
+        //QByteArray bytes = process.readAll();
+        //QStringList lines = QString(bytes).split("\n");
+        //foreach (QString line, lines) {
+        //    qDebug() << "System::createLogFileBackup() line:    " << line;
+        //}
+    }
+
+    QString resultMessage;
+    QProcess::ExitStatus exitStatus = process.exitStatus();
+    int exitCode = process.exitCode();
+
+    if (exitStatus == QProcess::CrashExit) {
+        resultMessage = "local backup program crashed";
+        qCritical() << resultMessage;
+        return 1;
+    }
+    else
+
+        /**
+         *  note for exit codes of process tar:
+         *  see: http://www.gnu.org/software/tar/manual/html_section/tar_19.html#Synopsis
+         *
+         *  tar returns exitCode 2 if some files in logFileList could not be read (e.g. if they are not existing)
+         *  however, tar-archive is created although!
+         *  This means success for our needs!
+         */
+
+    if ( (exitCode != 0) && (exitCode != 2) && (exitStatus == QProcess::NormalExit) ) {
+        resultMessage = "Local Backup file \"" + targzfile + "\" with exit code = " + QString::number(exitCode);
+        qCritical() << resultMessage;
+        return 1;
+    }
+    else {
+        resultMessage = "Local Backup file \"" + targzfile + "\" was created successfully.";
+        qCritical() << resultMessage;
+        return 0;
+    }
+
+    return 0;
+
+}
+
+
+
+/*****************************************************************************
+ * get SD-card mount path.
+ */
+QString System::getSDCardMountPath()
+{
+#if defined (ARCH_PTU4)
+    return "/media/mmcblk0p1";
+#elif defined (ARCH_PTU5)
+    return "/media/mmcblk0p1";
+#elif defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    return "/home/siegert/APconfigTest";
+#endif
+    return "";
+}
+
+
+/*****************************************************************************
+ * get SD-card device name.
+ */
+QString System::getSDCardDeviceName()
+{
+#if defined (ARCH_PTU4)
+    return "/dev/mmcblk0p1";
+#elif defined (ARCH_PTU5)
+    return "/dev/mmcblk0p1";
+#elif defined (ARCH_DesktopLinux)
+    return "/dev/sdf1";
+#endif
+    return "";
+}
+
+
+
+
+
+
+/********************************************************************************
+ * static function to build and return a unique device id.
+ * This id consists currently only of the mac-address of network device eth0.
+ */
+QString System::getUniqueDeviceId()
+{
+    QString filename = "/sys/class/net/eth0/address";
+    QString result;
+
+    QFile file(filename);
+    if(!file.open(QIODevice::ReadOnly)) {
+        qCritical() << "System::getUniqueDeviceId() could not open file: " << filename;
+        result = "0";
+    }
+    else {
+        QTextStream in(&file);
+        result = in.readLine(20);
+    }
+
+    file.close();
+
+    result.remove(':');
+
+    return result;
+
+}
+
+
+
+QString System::readStringFromFile(const QString & filename)
+{
+#if defined (ARCH_PTU4)
+    QFileInfo fileinfo(filename);
+#else
+    QFileInfo fileinfo(QDir::homePath() + filename);
+#endif
+    if (! fileinfo.isReadable() ) {
+        qDebug() << "System::readStringFromFile(): \"" << filename << "\" is not readable";
+        return "";
+    }
+
+#if defined (ARCH_PTU4)
+    QFile file(filename);
+#else
+    QFile file(QDir::homePath() + filename);
+#endif
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        qDebug() << "System::readStringFromFile() cannot open file: " << filename;
+        return "";
+    }
+
+    QTextStream in(&file);
+
+    QString stringValue = in.readLine(100);
+    qDebug() << "System::readStringFromFile() stringValue = " << stringValue;
+
+    file.close();
+
+    return stringValue;
+}
+
+
+int System::readIntFromFile(const QString & filename)
+{
+    bool ok;
+    int result = (int)readStringFromFile(filename).toInt(&ok);
+
+    if (!ok) {
+        result = 0;
+    }
+
+    return result;
+}
+
+
+/****************************************************************************
+ * read ptu internal data
+ *
+ */
+QString System::getPTU4SerialNumber()
+{
+    return readStringFromFile("/sys/bus/i2c/devices/0-0050/SNO");
+}
+
+QString System::getPTU4MACAddress()
+{
+    return readStringFromFile("/sys/bus/i2c/devices/0-0050/MAC");
+}
+

common/src/command.cpp

@@ -0,0 +1,125 @@
+#include "command.h"
+
+#include <QProcess>
+#include <QDebug>
+#include <QDir>
+#include <QRegularExpression>
+#include <QDateTime>
+
+Command::Command(QString command, QStringList args, QString workingDirectory,
+                 bool verbose, int start_timeout, int finish_timeout)
+    : m_command(command.trimmed())
+    , m_commandResult("")
+    , m_waitForStartTimeout(start_timeout)
+    , m_waitForFinishTimeout(finish_timeout)
+    , m_verbose(verbose)
+    , m_exitCode(-1)
+    , m_workingDirectory(workingDirectory)
+    , m_args(args) {
+    m_p.reset(new QProcess(this));
+    if (m_p) {
+        m_p->setWorkingDirectory(workingDirectory);
+        m_p->setProcessChannelMode(QProcess::MergedChannels);
+
+        connect(m_p.get(), SIGNAL(readyReadStandardOutput()), this, SLOT(readyReadStandardOutput()));
+        connect(m_p.get(), SIGNAL(readyReadStandardError()), this, SLOT(readyReadStandardError()));
+    }
+}
+
+void Command::readyReadStandardOutput() {
+    QProcess *p = (QProcess *)sender();
+    if (p) {
+        QString s = p->readAllStandardOutput();
+        if (m_verbose) {
+            qCritical().noquote() << s;
+        }
+    }
+}
+
+void Command::readyReadStandardError() {
+    QProcess *p = (QProcess *)sender();
+    if (p) {
+        qCritical().noquote() << p->readAllStandardError();
+    }
+}
+
+
+QString Command::getCommandResult(bool reset) {
+    if (reset == false) {
+        return m_commandResult;
+    }
+
+    QString commandResult = m_commandResult;
+    m_commandResult.clear();
+
+    return commandResult;
+}
+
+bool Command::exec() {
+
+    if (!m_args.isEmpty()) {
+        m_p->start(m_command, m_args);
+    } else {
+        m_p->start(m_command);
+    }
+
+    qint64 const start = QDateTime::currentDateTime().toMSecsSinceEpoch();
+
+    bool started = false;
+    if ((started = m_p->waitForStarted(m_waitForStartTimeout)) == true) {
+        // qCritical() << "PROCESS" << m_command << "STARTED IN" << m_p->workingDirectory();
+        if (m_p->state() == QProcess::ProcessState::Running) {
+            // qDebug() << "PROCESS" << m_command << "RUNNING IN" << p->workingDirectory();
+            // wait forever for git/opkg-commands to finish
+            int wait = m_waitForFinishTimeout;
+            if (m_command.trimmed().startsWith("git", Qt::CaseInsensitive) ||
+                m_command.trimmed().startsWith("opkg", Qt::CaseInsensitive)) {
+                wait = -1;
+            }
+            bool const no_timeout = m_p->waitForFinished(wait);
+            if (no_timeout) {
+                // qDebug() << "PROCESS" << m_command << "FINISHED IN" << p->workingDirectory();
+                if (m_p->exitStatus() == QProcess::NormalExit) {
+                    if ((m_exitCode = m_p->exitCode()) == 0) {
+                        qCritical().noquote() << m_p->readAllStandardOutput();
+                        //qint64 const end = QDateTime::currentDateTime().toMSecsSinceEpoch();
+                        //qDebug() << "EXECUTED" << m_command
+                        //         << QString("(runtime %1ms)").arg(end-start)
+                        //         << "with code" << m_exitCode
+                        //         << "IN" << m_p->workingDirectory();
+                        return true;
+                    } else {
+                        qint64 const end = QDateTime::currentDateTime().toMSecsSinceEpoch();
+                        qCritical() << "EXECUTED" << m_command
+                                    << QString("(runtime %1ms)").arg(end-start)
+                                    << "with code" << m_exitCode
+                                    << "IN" << m_p->workingDirectory();
+                    }
+                } else {
+                    qint64 const end = QDateTime::currentDateTime().toMSecsSinceEpoch();
+                    qCritical() << "PROCESS" << m_command << "CRASHED with code"
+                                << m_p->exitCode()
+                                << QString("(after %1ms)").arg(end-start)
+                                << "IN" << m_p->workingDirectory();
+                }
+            } else {
+                qint64 const end = QDateTime::currentDateTime().toMSecsSinceEpoch();
+                qCritical() << "PROCESS" << m_command
+                            << "DID NOT FINISH WITH" << wait
+                            << "MS IN" << m_p->workingDirectory()
+                            << QString("(runtime %1ms)").arg(end-start);
+            }
+        } else {
+            qCritical() << "WRONG PROCESS STATE" << m_p->state()
+                        << "IN" << m_p->workingDirectory();
+        }
+    } else {
+        qint64 const end = QDateTime::currentDateTime().toMSecsSinceEpoch();
+        qCritical() << "PROCESS" << m_command << "TIMEOUT AT START"
+                    << QString("(runtime %1ms)").arg(end-start)
+                    << "IN" << m_p->workingDirectory() << m_waitForStartTimeout;
+    }
+
+    return false;
+}
+