--ismas-connected: try to reach ismas 10x. Use "Broker" and "ISMAS" keys

in json-data. Timeout between tries: 5secs.

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 +1,177 @@
+#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 <QDateTime>
+#include <QThread>
+
+#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();
+
+    int tries = 10;
+
+    while (--tries > 0) {
+        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 bit = o.find("Broker");
+                    QJsonObject::const_iterator ismit = o.find("ISMAS");
+                    if (bit != o.constEnd() && ismit != o.constEnd()) {
+                        // value for "Broker"
+                        QString const &v = bit->toString();
+                        bool ismas = ismit->toBool();
+                        if (ismas && v.contains(internal::BROKER_CONNECTED, Qt::CaseInsensitive)) {
+                            connectionStatus = internal::ISMAS_CONNECTED;
+                            break;
+                        } else
+                        if (v.contains(internal::BROKER_NOT_CONNECTED, Qt::CaseInsensitive)) {
+                            connectionStatus = internal::ISMAS_NOT_CONNECTED;
+                        } else
+                        if (v.contains(internal::BROKER_DISCONNECTED, Qt::CaseInsensitive)) {
+                            connectionStatus = internal::ISMAS_NOT_CONNECTED;
+                        } else
+                        if (v.contains(internal::BROKER_CONNECTION_IN_PROGRESS, Qt::CaseInsensitive)) {
+                            connectionStatus = internal::ISMAS_NOT_CONNECTED;
+                        } else
+                        if (v.contains(internal::BROKER_DISCONNECTING, Qt::CaseInsensitive)) {
+                            connectionStatus = internal::ISMAS_NOT_CONNECTED;
+                        }
+                        break;
+                    }
+                }
+            }
+        }
+
+        if (connectionStatus == internal::ISMAS_CONNECTED) {
+            break;
+        }
+
+        QThread::sleep(5);
+    }
+
+    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 o2 = d.object()[m].toObject();
+
+                                QJsonObject::const_iterator it2 = o2.find("TRG");
+                                if (it2 == o2.constEnd()) break;
+
+                                QString const &v2 = it2->toString();
+                                if (v2 == "WAIT") {
+                                    updateRequestStatus = internal::UPDATE_REQUESTED;
+                                } else {
+                                    // 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
+                                    QDateTime const &current = QDateTime::currentDateTime();
+                                    if (current.time().hour() < 4) {
+                                        updateRequestStatus = internal::UPDATE_NOT_NECESSARY;
+                                    } else {
+                                        updateRequestStatus = internal::UPDATE_NOT_REQUESTED;
+                                        exitCode = -2;
+                                    }
+                                }
+                                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;
+    }
+
+    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

@@ -1,7 +1,6 @@
-QT += core gui
-QT += widgets serialport network
+QT += core serialport
 
-TARGET = ATBDownloadDCFirmware
+TARGET = ATBUpdateDC
 
 VERSION="0.1.0"
 win32 {
@@ -77,21 +76,21 @@ contains( CONFIG, DesktopLinux ) {
 
 SOURCES += \
         main.cpp \
-        mainwindow.cpp \
         ../common/src/message_handler.cpp \
         ../UpdatePTUDevCtrl/commandline_parser.cpp \
         update.cpp \
-        dc_download.cpp \
-        ../common/src/System.cpp
+        ../common/src/System.cpp \
+        ../common/src/utils_internal.cpp \
+        ../common/src/command.cpp
 
 
 HEADERS += \
-        mainwindow.h \
         ../common/include/message_handler.h \
         ../UpdatePTUDevCtrl/commandline_parser.h \
         update.h \
-        dc_download.h \
-        ../common/include/System.h
+        ../common/include/System.h \
+        ../common/include/utils_internal.h \
+        ../common/include/command.h
 
 
 OTHER_FILES += \

DownloadDCFirmware/main.cpp

@@ -1,7 +1,6 @@
 
 #include <QtGlobal>
 #include <QCoreApplication>
-#include <QApplication>
 #include <QByteArray>
 
 #include <QProcess>
@@ -11,12 +10,13 @@
 #include <QDir>
 #include <QDebug>
 #include <QThread>
+#include <QRegularExpression>
 
 #include "message_handler.h"
 #include "commandline_parser.h"
 #include "utils.h"
+#include "utils_internal.h"
 #include "update.h"
-#include "mainwindow.h"
 #include "System.h"
 
 #include <DeviceController/interfaces.h>
@@ -52,17 +52,23 @@ int main(int argc, char **argv) {
     }
     // qputenv("XDG_RUNTIME_DIR", "/var/run/user/0");
 
-    openlog("ATB-UPDATE-DC-FIRMWARE", LOG_PERROR | LOG_PID | LOG_CONS, LOG_USER);
+    openlog("DC", LOG_PERROR | LOG_CONS, LOG_USER);
+
+    QCoreApplication a(argc, argv);
+    QCoreApplication::setOrganizationName("ATB Automatentechnik Baumann GmBH");
+    QCoreApplication::setApplicationName("ATBUpdateDC");
+    QCoreApplication::setApplicationVersion(APP_VERSION);
 
-    QApplication a(argc, argv);
-    QApplication::setApplicationName("ATBDownloadDCFirmware");
-    QApplication::setApplicationVersion(APP_VERSION);
 
     if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
         atbInstallMessageHandler(atbDebugOutput);
         setDebugLevel(LOG_NOTICE);
     }
 
+
+    //return 0;
+
+/*
     CommandLineParser parser;
     parser.process(a);
     parser.readSettings();
@@ -73,6 +79,7 @@ int main(int argc, char **argv) {
     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();
@@ -81,6 +88,7 @@ int main(int argc, char **argv) {
     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();
 
@@ -109,27 +117,82 @@ int main(int argc, char **argv) {
     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));
-    QStringList filesToUpdate;
+    QString const &customerRepo
+        = QDir::cleanPath(workingDir + QDir::separator() + QString("customer_%1").arg(customerNr));
+*/
 
-    QThread::currentThread()->setObjectName("main thread");
-    qInfo() << "Main thread" << QThread::currentThreadId();
+    QString const &psaDcDir = internal::customerRepoDcDir();
+    QString const &psaRepoRootDir = internal::customerRepoRoot();
+    QString const &psaRepoDir = internal::customerRepoDir();
+    QString const &branchName = internal::branchName();
 
-    MainWindow mw;
+    bool debug = false;
+    bool noaction = true;
+    QString workingDir;
+    QString libca;
 
-    mw.setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
-    // mw.showFullScreen();
+    std::unique_ptr<QSettings> settings = internal::readSettings();
+    if (settings) {
+        settings->beginGroup("COMMON");
+        debug = settings->value("debug", false).toBool();
+        settings->endGroup();
 
-    // qCritical() << "SHOW";
+        settings->beginGroup("RUNTIME");
+        noaction = settings->value("noaction", true).toBool();
+        workingDir = settings->value("workingdir", "/tmp").toBool();
+        libca = settings->value("libca", "/usr/lib/libCAslave.so").toString();
+        settings->endGroup();
+    }
 
-    // mw.show();
+    // 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 {
+
+        if (debug) {
+            qInfo() << "using customer repository" << psaRepoDir;
+        }
+
+        std::unique_ptr<QString> c = internal::dcCandidateToInstall();
+        if (c) {
+            fi.setFile(*c);
+            if (fi.exists() == false) {
+                qCritical() << "dc2c.bin candidate" << *c << "does not exist. STOP.";
+                return -1;
+            }
+            qInfo() << "dc2c.bin canditate" << fi.absoluteFilePath();
+        }
+    }
+
+    if (debug) {
+        qInfo() << "downloading dc-firmware" << fi.absoluteFilePath();
+        qInfo() << "dc-firmware size (bytes)" << fi.size();
+        qInfo() << "dc-version" << Update::dcVersion(fi.absoluteFilePath());
+    }
+
+    Update u(fi.absoluteFilePath(), libca, debug, noaction);
+    u.run();
+
+    qInfo() << "<DC-UPDATE-FINISH>";
 
     return 0;
-    // return a.exec();
 }

DownloadDCFirmware/mainwindow.h

@@ -1,10 +1,7 @@
 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H
 
-#include <QMainWindow>
 #include <QTimer>
-#include <QStatusBar>
-#include <QWidget>
 #include <QSerialPort>
 #include <QSerialPortInfo>
 

DownloadDCFirmware/update.cpp

@@ -1,4 +1,5 @@
 #include "update.h"
+#include "process/command.h"
 
 #include <QCoreApplication>
 #include <QFile>
@@ -21,6 +22,10 @@
 #include <QDateTime>
 #include <QPluginLoader>
 #include <QMap>
+#include <QStringList>
+#include <QString>
+#include <QSerialPort>
+#include <QSerialPortInfo>
 
 #define UPDATE_OPKG                 (1)
 #define UPDATE_DC                   (0)
@@ -32,48 +37,38 @@ static const QMap<QString, int> baudrateMap = {
 
 QPluginLoader Update::pluginLoader;
 
-hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
+hwinf *Update::loadDCPlugin(QString const &libCA /* absolute file path */) {
     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;
-            }
+    QFileInfo libCAInfo(libCA);
+    if (libCAInfo.exists()) {
+        pluginLoader.setFileName(libCA);
+        // static QPluginLoader pluginLoader(pluginLibName);
+        if (!pluginLoader.load()) {
+            qCritical() << "cannot load plugin" << pluginLoader.fileName();
+            qCritical() << pluginLoader.errorString();
+            return nullptr;
+        }
 
-            qCritical() << "loadDCPlugin() plugin directory:" << plugInDir.absolutePath();
-            qCritical() << "loadDCPlugin() plugin file name:" << pluginLoader.fileName();
+        // 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";
+        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() << "plugins directory" << plugInDir.absolutePath()
-                    << "does not exist";
+        qCritical() << libCAInfo.absoluteFilePath() << "does not exist";
         return nullptr;
     }
+
     return hw;
 }
 
@@ -92,347 +87,365 @@ bool Update::unloadDCPlugin() {
     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,
-               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) {
-
-    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(QString const &dcFileName, QString const &libCA, bool debug, bool noaction)
+    : m_dcFileName(dcFileName)
+    , m_hw(loadDCPlugin(libCA))
+    , m_sys_areDCdataValid(false)
+    , m_debug(debug)
+    , m_noaction(noaction) {
 }
 
 Update::~Update() {
     unloadDCPlugin();
 }
 
-bool Update::doUpdate(QStringList const &filesToWorkOn, bool usbStickDetected) {
-
-    if (!m_hw) {
-        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
-                    << "ERROR!!! m_hw == nullptr";
-        return false;
+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:;
     }
-
-    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;
+    return DownloadResult::ERROR;
 }
 
-bool Update::checkJsonVersions(QStringList const& jsonFileNames) {
-    if (!m_hw) {
-        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
-                    << "ERROR!!! m_hw == nullptr";
-        return false;
-    }
+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);
 
-    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);
-    }
+            QThread::msleep(100);
 
-    for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
+            // TODO
+            // DownloadResult const res = sendStatus(m_hw->bl_wasSendingAddOK());
 
-        uint8_t jsonNr = 0;
+            DownloadResult const res = DownloadResult::OK;
 
-        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());
+            if (res != DownloadResult::NOP) {
+                if (res == DownloadResult::ERROR) {
+                    if (++errorCount >= 10) {
+                        qCritical() << "addr-block" << bNum << "...FAILED";
+                        return res;
                     }
-                } else {
-                    qCritical() << QString("SIZE OF %1 TOO BIG (%2 BYTES)").arg(jsFileToSendToDC).arg(fi.size());
+                } else { // res == DownloadResult::OK
+                    qInfo() << nextTimePoint().toUtf8().constData() << "addr-block" << bNum << "...done";
+                    return res;
                 }
             } else {
-                qCritical() << QString("CAN NOT OPEN ") + jsFileToSendToDC + " FOR READING";
+                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 {
-            qCritical() << (QString(jsFileToSendToDC) + " DOES NOT EXIST");
+            noAnswerCount += 1; // no answer by now
         }
     }
+    // wait max. about 3 seconds
+    return DownloadResult::TIMEOUT;
+}
+
+bool Update::startBootloader() const {
+    qInfo() << nextTimePoint().toUtf8().constData() << "start boot loader";
+    QThread::msleep(1000);
+    qInfo() << nextTimePoint().toUtf8().constData() << "start boot loader ...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 {
+    qInfo() << nextTimePoint().toUtf8().constData() << "stopping bootloader";
+    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 {
+    qInfo() << nextTimePoint().toUtf8().constData() << "resetting device controller";
+    // 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.
+ */
+int Update::run() {
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_hw == nullptr -> ca-slave plugin loaded ???";
+        return -(int)Result::PLUGIN_LOAD_ERROR;
+    }
+
+    m_start = QDateTime::currentDateTime();
+
+    if (m_debug) {
+        qInfo() << "start dc-update for" << m_dcFileName << "at" << m_start.toString(Qt::ISODate);
+        qInfo() << "<DC-VERSION>" << Update::dcVersion(m_dcFileName);
+    }
 
     m_hw->dc_autoRequest(false);
-    qDebug() << "SET AUTO-REQUEST=FALSE";
-    QThread::sleep(1);  // make sure the auto-request flag is acknowledged
 
-    return ret;
-}
+    qInfo() << "DC auto request OFF";
 
-bool Update::updatePrinterTemplate(int templateIdx, QString jsFile) const {
-    return downloadJson(FileTypeJson::PRINTER, templateIdx, jsFile);
-}
+    QByteArray ba = loadBinaryDCFile(m_dcFileName);
+    if (ba.size() > 0) {
+        m_totalBlocks = (((ba.size())%64)==0) ? (ba.size()/64) : (ba.size()/64)+1;
 
-bool Update::updateConfig(QString jsFile) {
-    return downloadJson(FileTypeJson::CONFIG, 0, jsFile);
-}
+        qInfo() << nextTimePoint().toUtf8().constData() << "blocks to send" << m_totalBlocks;
 
-bool Update::updateCashConf(QString jsFile) {
-    return downloadJson(FileTypeJson::CASH, 0, jsFile);
-}
+        // fill last block of data to be sent with 0xFF
+        ba = ba.leftJustified(m_totalBlocks*64, (char)(0xFF));
 
-bool Update::updateDeviceConf(QString jsFile) {
-    return downloadJson(FileTypeJson::DEVICE, 0, jsFile);
+        // TODO
+        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
+        }
+        // TODO
+        stopBootloader();   // there is no harm in stopping the bootloader even
+                            // if starting the bootloader failed
+        qInfo() << nextTimePoint().toUtf8().constData() << "<DC-UPDATE-SUCCESS>";
+        return -(int)Result::SUCCESS;
+    }
+
+    qInfo() << nextTimePoint().toUtf8().constData() << "<DC-UPDATE-FAILURE>";
+    return false;
 }

DownloadDCFirmware/update.h

@@ -8,6 +8,8 @@
 #include <QByteArray>
 #include <QProcess>
 #include <QPluginLoader>
+#include <QDateTime>
+#include <cmath>
 
 #include <initializer_list>
 
@@ -15,115 +17,57 @@
 
 #ifdef PTU5
 #define SERIAL_PORT "ttymxc2"
+#define BAUDRATE 115200
 #else
 #define SERIAL_PORT "ttyUSB0"
+#define BAUDRATE 115200
 #endif
 
+class QSerialPort;
 class Update : public QObject {
     Q_OBJECT
 
+    QString m_dcFileName{};
     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;
+    bool m_sys_areDCdataValid{};
+    bool m_debug;
+    bool m_noaction;
 
     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};
+    enum class Result {SUCCESS=0, PLUGIN_LOAD_ERROR};
 
-    static hwinf *loadDCPlugin(QDir const &plugInDir, QString const &fn);
+    static hwinf *loadDCPlugin(QString const &libCA = "/usr/lib/libCAslave.so");
     static bool unloadDCPlugin();
     static QStringList split(QString line, QChar sep = ',');
 
-
-    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");
-
+    explicit Update(QString const &dcBinFile, QString const &libCA, bool debug, bool noaction);
     virtual ~Update() override;
 
-    bool doUpdate(QStringList const &jsonFilesToDownload, bool usbStickDetected = false);
+    int run();
+    static QString dcVersion(QString const &dcBinFile);
 
-    bool updatePrinterTemplate(int templateIdx, QString fname) const;
-    bool updateConfig(QString jsFileToSendToDC);
-    bool updateCashConf(QString jsFileToSendToDC);
-    bool updateDeviceConf(QString jsFileToSendToDC);
+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;
 
-    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")})));
+    QString m_fileToDownload;
+    uint16_t m_totalBlocks = 0;
 /*
-    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;

DownloadDCJsonFiles/main.cpp

@@ -79,6 +79,7 @@ int main(int argc, char **argv) {
     bool const showExtendedVersion = parser.extendedVersion();
     bool const alwaysDownloadConfig = parser.alwaysDownloadConfig();
     bool const alwaysDownloadDC = parser.alwaysDownloadDC();
+    Update::setPPid(parser.ppid());
 
     QString const rtPath = QCoreApplication::applicationDirPath();
 
@@ -88,29 +89,32 @@ int main(int argc, char **argv) {
     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;
+    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();
 
-    if (showExtendedVersion) {
-        printf(APP_EXTENDED_VERSION"\n");
-        return 0;
+        if (showExtendedVersion) {
+            printf(APP_EXTENDED_VERSION"\n");
+            return 0;
+        }
     }
 
     QString const &customerRepo = QDir::cleanPath(workingDir + QDir::separator() + QString("customer_%1").arg(customerNr));
@@ -121,7 +125,10 @@ int main(int argc, char **argv) {
     if (mountPath.has_value()) {
         filesToUpdate = System::getJsonFilesOnUsbStick(mountPath.value());
     } else {
-        qCritical() << "Using customer repository" << customerRepo;
+
+        if (Update::ppid() == -1) {
+            qCritical() << "Using customer repository" << customerRepo;
+        }
 
         QDir dir(QDir::cleanPath(customerRepo + QDir::separator() + "etc/psa_config"));
         if (dir.exists()) {
@@ -146,13 +153,16 @@ int main(int argc, char **argv) {
                   plugInName,
                   workingDir);
 
-    update.doUpdate(filesToUpdate, mountPath.has_value());
-    update.checkJsonVersions();
+    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

@@ -21,10 +21,13 @@
 #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}
@@ -104,7 +107,7 @@ Update::Update(QString customerRepository,
                char const *serialInterface,
                char const *baudrate)
     : QObject(parent)
-    , m_hw(loadDCPlugin(QDir(plugInDir), pluginName))
+    // , m_hw(loadDCPlugin(QDir(plugInDir), pluginName))
     , m_serialInterface(serialInterface)
     , m_baudrate(baudrate)
     , m_customerRepository(customerRepository)
@@ -115,27 +118,65 @@ Update::Update(QString customerRepository,
     , 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);
-        }
+    m_start = QDateTime::currentDateTime();
 
-        qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_sys_areDCDataValid ..."
-                    << m_sys_areDCdataValid;
+    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();
+    // 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) {

DownloadDCJsonFiles/update.h

@@ -8,6 +8,7 @@
 #include <QByteArray>
 #include <QProcess>
 #include <QPluginLoader>
+#include <QDateTime>
 
 #include <initializer_list>
 
@@ -36,6 +37,14 @@ class Update : public QObject {
 
     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};
@@ -44,6 +53,8 @@ public:
     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,
@@ -59,6 +70,7 @@ public:
     virtual ~Update() override;
 
     bool doUpdate(QStringList const &jsonFilesToDownload, bool usbStickDetected = false);
+    bool doUpdate();
 
     bool updatePrinterTemplate(int templateIdx, QString fname) const;
     bool updateConfig(QString jsFileToSendToDC);

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 +1,101 @@
+#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) {
+    bool ret = false;
+    if (GitCommand::initEnv) {
+        Command cmd(QString("git"), options, m_workingDirectory,
+                    start_timeout, finish_timeout);
+        ret = cmd.exec();
+        //qCritical() << __func__ << ":" << __LINE__ << cmd.command()
+        //            << "," << cmd.args()
+        //            << ", result" << cmd.commandResult();
+        m_commandResult = cmd.commandResult();
+    }
+    return ret;
+}
+
+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 +1,30 @@
+#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);
+
+    QString m_commandResult{};
+
+public:
+    GitCommand();
+
+    void resetCommandResult() { m_commandResult.clear(); }
+    QString const &commandResult() const { return m_commandResult; }
+
+    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 +1,119 @@
+#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 <QRegularExpression>
+
+#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;
+            }
+            QString const result = gitCmd.commandResult().trimmed();
+            if (result.contains("Already", Qt::CaseInsensitive)
+             && result.contains("up", Qt::CaseInsensitive)
+             && result.contains("to", Qt::CaseInsensitive)
+             && result.contains("date", Qt::CaseInsensitive)) {
+                qCritical() << internal::GIT_CUSTOMER_REPO_NO_UPDATE_NECESSARY;
+                return internal::GIT_NOT_NECESSARY_CODE;
+            } else
+            if (result.contains(QRegularExpression("[Uu]pdating\\s+[a-z0-9]{6,}\\.\\.[a-z0-9]{6,}"))) {
+                // Updating 49a97f5..13a0321
+                qCritical() << internal::GIT_CUSTOMER_REPO_UPDATED;
+                return internal::GIT_UPDATED_CODE;
+            }
+        } 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 = ATBUpdateShow
+
+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 +1,94 @@
+#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);
+
+    QDebug debug = qCritical();
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(nullptr);
+        //atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(LOG_NOTICE);
+    }
+
+    if (internal::customerRepoExists() == false) {
+        qCritical().noquote() << internal::NO_CUSTOMER_REPOSITORY;
+        return internal::NO_CUSTOMER_REPOSITORY_CODE;
+    }
+
+    QString const crd = internal::customerRepoDir();
+    QString const etcInRepo = QDir::cleanPath(crd + QDir::separator() + "etc/");
+    QString const optInRepo = QDir::cleanPath(crd + QDir::separator() + "opt/");
+
+    if (!QDir(etcInRepo).exists()) {
+        qCritical().noquote() << internal::NO_ETC_CUSTOMER_REPOSITORY;
+        return internal::NO_ETC_CUSTOMER_REPOSITORY_CODE;
+    }
+
+    if (!QDir(optInRepo).exists()) {
+        qCritical().noquote() << internal::NO_OPT_CUSTOMER_REPOSITORY;
+        return internal::NO_OPT_CUSTOMER_REPOSITORY_CODE;
+    }
+
+#if 0
+    error codes for rsync:
+        https://stackoverflow.com/questions/20737204/comprehensive-list-of-rsync-error-codes
+
+     0     Success
+     1     Syntax or usage error
+     2     Protocol incompatibility
+     3     Errors selecting input/output files, dirs
+     4     Requested action not supported: an attempt was made to manipulate 64-bit
+           files on a platform that cannot support them; or an option was specified
+           that is supported by the client and not by the server.
+     5     Error starting client-server protocol
+     6     Daemon unable to append to log-file
+    10     Error in socket I/O
+    11     Error in file I/O
+    12     Error in rsync protocol data stream
+    13     Errors with program diagnostics
+    14     Error in IPC code
+    20     Received SIGUSR1 or SIGINT
+    21     Some error returned by waitpid()
+    22     Error allocating core memory buffers
+    23     Partial transfer due to error
+    24     Partial transfer due to vanished source files
+    25     The --max-delete limit stopped deletions
+    30     Timeout in data send/receive
+    35     Timeout waiting for daemon connection
+#endif
+
+
+    QStringList options({"-v", "--recursive", "--progress", "--checksum",
+                         "--exclude=.*", "--include=*.bin", "--include=*.json",
+                         "--include=*.ini"});
+    int ret = SyncCommand().exec("rsync", options << etcInRepo << "/etc");
+
+    if (ret == 0) {
+       ret = SyncCommand().exec("rsync", options << optInRepo << "/opt");
+    }
+    return (ret > 0) ? -ret : ret;
+}

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 +1,21 @@
+#include "sync_command.h"
+
+#include "command.h"
+#include "utils_internal.h"
+using namespace internal;
+
+#include <QDir>
+#include <QDebug>
+#include <QFlags>
+#include <QRegularExpression>
+
+SyncCommand::SyncCommand() {
+}
+
+int SyncCommand::exec(QString const &cmd, QStringList const &options,
+                       int start_timeout, int finish_timeout) {
+    Command c(cmd, options, internal::customerRepoDir(),
+              start_timeout, finish_timeout);
+    c.exec();
+    return c.exitCode();
+}

Sync/sync_command.h

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

UpdatePTUDevCtrl/UpdatePTUDevCtrl.pro

@@ -147,7 +147,8 @@ DEFINES += QT_DEPRECATED_WARNINGS
 # 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"
+# 2.0.0   : Rewrite of UpdateTool.
+VERSION="2.0.0"
 # 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
@@ -216,7 +217,10 @@ 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
@@ -279,9 +283,24 @@ 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 \
@@ -293,9 +312,25 @@ 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

@@ -85,7 +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();
 }
 
@@ -138,6 +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() {
@@ -145,8 +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()) {
@@ -155,8 +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();
@@ -196,6 +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();
@@ -243,6 +274,20 @@ QString CommandLineParser::psaTariffDir() {
     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);
@@ -250,6 +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);
@@ -288,9 +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>
@@ -11,8 +11,8 @@ class CommandLineParser : public QCommandLineParser {
     QString m_plugInDir;
     QString m_plugInName;
     QString m_workingDir;
-    QString m_psaConfigDir;
-    QString m_psaTariffDir;
+    QString m_psaConfigDir{"etc/psa_config"};
+    QString m_psaTariffDir{"etc/psa_tariff"};
     QString m_dryRun;
     QString m_noUpdatePsaHardware;
     QString m_showYoctoVersion;
@@ -21,6 +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;
@@ -37,6 +40,9 @@ class CommandLineParser : public QCommandLineParser {
     QCommandLineOption m_extendedVersionOption;
     QCommandLineOption m_yoctoVersionOption;
     QCommandLineOption m_yoctoInstallStatusOption;
+    QCommandLineOption m_dcDirectoryOption;
+    QCommandLineOption m_readDCVersionOption;
+    QCommandLineOption m_setPPid;
 
     QCommandLineParser m_parser;
 
@@ -59,11 +65,14 @@ public:
     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

@@ -2,6 +2,7 @@
 #include "update.h"
 #include "worker.h"
 #include "utils.h"
+#include "process/command.h"
 
 #include <QRegularExpression>
 #include <QDebug>

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;

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>
@@ -86,10 +88,12 @@ int main(int argc, char *argv[]) {
         if (v.isEmpty()) {
             QString sshKeyFile("/opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig");
             if (QFileInfo(sshKeyFile).exists()) {
-                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;
+                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...";
@@ -199,5 +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>
@@ -11,26 +13,60 @@
 #include <QDebug>
 #include <QScrollBar>
 #include <QEvent>
+#include <QColor>
+#include <QColorDialog>
+
+#define CHECK_BACKEND_CONNECTION    0
+#define CHECK_UPDATE_REQUEST        1
+#define UPDATE_CUSTOMER_REPOSITORY  2
+#define INSTALL_SW_PACKETS_DRY_RUN  3
+#define INSTALL_SW_PACKETS          4
+#define INSTALL_DC_CONFIGURATION    5
+#define SYNCHRONIZE_REPOSITORY      6
+#define UPDATE_DC                   7
 
 
 MainWindow::MainWindow(Worker *worker, QWidget *parent)
     : QMainWindow(parent)
     , ui(new Ui::MainWindow)
     , m_worker(worker)
-    , m_width(70)
+    , m_width(60)
     , m_progressRunning(false)
     , m_updateStep(UpdateDcEvent::UpdateStep::NONE) {
 
+    ui->setupUi(this);
+
+    m_updateSteps.resize(8);
+    m_updateSteps[CHECK_BACKEND_CONNECTION] = "Check backend connection (ISMAS) ";
+    m_updateSteps[CHECK_UPDATE_REQUEST] = "Check update request ";
+    m_updateSteps[UPDATE_CUSTOMER_REPOSITORY] = "Update customer repository ";
+    m_updateSteps[INSTALL_SW_PACKETS_DRY_RUN] = "Install SW packets (dry run) ";
+    m_updateSteps[INSTALL_SW_PACKETS] = "Install SW packets ";
+    m_updateSteps[INSTALL_DC_CONFIGURATION] = "Install DC configuration ";
+    m_updateSteps[SYNCHRONIZE_REPOSITORY] = "Synchronize repository/filesystem ";
+    m_updateSteps[UPDATE_DC] = "Update DC ";
+
+    QString text{};
+    for (int i = 0; i < m_updateSteps.size(); ++i) {
+        QString &tmp = m_updateSteps[i];
+        int len = m_showLineLength - tmp.length();
+        while (--len > 0) {
+           tmp += "&nbsp;";
+        }
+        m_updateSteps[i] = tmp;
+        text += m_updateSteps[i];
+    }
+    ui->stepLabel->setTextFormat(Qt::RichText);
+    ui->stepLabel->setText(text);
+
     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 +74,15 @@ 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 ").arg(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);
@@ -77,12 +113,36 @@ MainWindow::MainWindow(Worker *worker, QWidget *parent)
         m_statusTimer->start(1000);
     }
 
+    connect(m_worker->summaryTimer(), SIGNAL(timeout()), this, SLOT(onSummary()));
+    m_worker->summaryTimer()->setSingleShot(true);
+    m_worker->summaryTimer()->setInterval(5000);
+
     connect(ui->exit, SIGNAL(clicked()),this,SLOT(onQuit()));
+    connect(m_worker, SIGNAL(summary()),this,SLOT(onSummary()));
+    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)));
@@ -91,6 +151,417 @@ MainWindow::MainWindow(Worker *worker, QWidget *parent)
     connect(m_worker, SIGNAL(replaceLast(QStringList,QString)),this, SLOT(onReplaceLast(QStringList,QString)));
 }
 
+void MainWindow::onSummary() {
+    QThread::sleep(3);
+
+    QString summary, first, second, line, tmp;
+    QVector<QPair<QString, QString>> vec = Utils::installedPackages();
+
+    if (m_worker) {
+        vec.append(Utils::installedTariffFiles(m_worker, m_worker->customerRepository()));
+        vec.append(Utils::installedJsonFiles(m_worker, m_worker->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";
+
+    if (m_worker) {
+        first = QString("%1").arg("start", max_first, QChar(' '));
+        tmp = QString("%1").arg(m_worker->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";
+
+    if (m_worker) {
+        first = QString("%1").arg("machine number", max_first, QChar(' '));
+        tmp = QString("%1").arg(m_worker->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(m_worker->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(m_worker->zoneNr());
+        second = QString("%1").arg(tmp, -max_second, QChar(' '));
+        line = first + ": " + second;
+        summary += line + "\n";
+    }
+
+    tmp = 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";
+    }
+
+    if (m_worker) {
+        first = QString("%1").arg("apism", max_first, QChar(' '));
+        tmp = QString("%1").arg(m_worker->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";
+    }
+
+    if (m_worker) {
+        emit m_worker->showSummary(summary);
+        emit m_worker->enableExit();
+    }
+}
+
+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) {
+    return;
+
+
+    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) {
+    // qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = m_updateSteps[CHECK_BACKEND_CONNECTION].trimmed();
+
+    bool const custRepoExists = internal::customerRepoExists();
+
+    if (status.contains(UpdateCommand::ISMAS_CONNECTED, Qt::CaseInsensitive)) {
+        if (custRepoExists) {
+            s += " <font color='Green'>connected</font>";
+        } else {
+            s += " <font color='Green'>connected&nbsp;(initial configuration)</font>";
+        }
+    } else
+    if (status.contains(UpdateCommand::NO_CUSTOMER_REPOSITORY, Qt::CaseInsensitive)) {
+        s += " <font color='Blue'>NOT CONNECTED</font>";
+    } else
+    if (status.contains(UpdateCommand::ISMAS_CONNECTION_IN_PROGRESS, Qt::CaseInsensitive)) {
+        s += " <font color='Green'>connecting</font>";
+    } else
+    if (status.contains(UpdateCommand::ISMAS_NOT_CONNECTED, Qt::CaseInsensitive)) {
+        if (custRepoExists) {
+            s += " <font color='Red'>NOT CONNECTED. STOP</font>";
+        } else {
+            s += " <font color='Red'>not connected.&nbsp;(initial configuration)</font>";
+        }
+    } else {
+        s += " <font color='Red'>UNKNOWN STATUS</font>";
+    }
+
+    m_updateSteps[CHECK_BACKEND_CONNECTION] = s;
+    s.clear();
+    for (int i = 0; i < m_updateSteps.size(); ++i) {
+        s += m_updateSteps[i] + "<br />";
+    }
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowCustRepoStatus(QString status) {
+    // qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = m_updateSteps[UPDATE_CUSTOMER_REPOSITORY].trimmed();
+
+    if (status.contains(internal::GIT_CUSTOMER_REPO_UP_TO_DATE, Qt::CaseInsensitive)) {
+        s += QString(" <font color='Green'>%1</font>").arg(internal::GIT_CUSTOMER_REPO_UP_TO_DATE);
+    } else
+    if (status.contains(internal::GIT_CUSTOMER_REPO_NOT_NECESSARY, Qt::CaseInsensitive)) {
+        s += QString(" <font color='Green'>%1</font>").arg(internal::GIT_CUSTOMER_REPO_NOT_NECESSARY);
+    } else {
+        s += " <font color='Red'>UNKNOWN STATUS</font>";
+    }
+
+    m_updateSteps[UPDATE_CUSTOMER_REPOSITORY] = s;
+    s.clear();
+    for (int i = 0; i < m_updateSteps.size(); ++i) {
+        s += m_updateSteps[i] + "<br />";
+    }
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowExecOpkgStatus(QString status) {
+    qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+    return;
+
+    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;
+    return;
+
+    if (cmd.back() != QChar('\n')) {
+        cmd += "\n";
+    }
+    onInsertText(cmd);
+}
+
+void MainWindow::onShowExecOpkgOverallResult(QString status, bool noaction) {
+    //qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = noaction ?
+        m_updateSteps[INSTALL_SW_PACKETS_DRY_RUN].trimmed() :
+        m_updateSteps[INSTALL_SW_PACKETS].trimmed();
+
+    if (status.contains(internal::EXEC_OPKG_COMMANDS_SUCCESS, Qt::CaseInsensitive)) {
+        s += " <font color='Green'>success</font>";
+    } else
+    if (status.contains(internal::EXEC_OPKG_COMMANDS_FAIL, Qt::CaseInsensitive)) {
+        s += QString(" <font color='Red'>%1</font>").arg(internal::EXEC_OPKG_COMMANDS_FAIL);
+    } else {
+        s += " <font color='Red'>UNKNOWN STATUS</font>";
+    }
+
+    if (noaction) {
+        m_updateSteps[INSTALL_SW_PACKETS_DRY_RUN] = s;
+    } else {
+        m_updateSteps[INSTALL_SW_PACKETS] = s;
+    }
+
+    s.clear();
+    for (int i = 0; i < m_updateSteps.size(); ++i) {
+        s += m_updateSteps[i] + "<br />";
+    }
+
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowDownloadDCJsonFilesStatus(QString status) {
+    //qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = m_updateSteps[INSTALL_DC_CONFIGURATION].trimmed();
+
+    if (status.contains(UpdateCommand::UPDATE_DC_JSON_FILES_SUCCESS, Qt::CaseInsensitive)) {
+        s += " <font color='Green'>success</font>";
+    } else {
+        s += " <font color='Red'>UNKNOWN STATUS</font>";
+    }
+
+    m_updateSteps[INSTALL_DC_CONFIGURATION] = s;
+    s.clear();
+    for (int i = 0; i < m_updateSteps.size(); ++i) {
+        s += m_updateSteps[i] + "<br />";
+    }
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowSyncCustRepoStatus(QString status) {
+    //qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = m_updateSteps[SYNCHRONIZE_REPOSITORY].trimmed();
+
+    if (status.contains(UpdateCommand::SYNC_CUSTOMER_REPO_FILES_SUCCESS, Qt::CaseInsensitive)) {
+        s += " <font color='Green'>success</font>";
+    } else {
+        s += " <font color='Red'>UNKNOWN STATUS</font>";
+    }
+
+    m_updateSteps[SYNCHRONIZE_REPOSITORY] = s;
+    s.clear();
+    for (int i = 0; i < m_updateSteps.size(); ++i) {
+        s += m_updateSteps[i] + "<br />";
+    }
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowUpdateDCFirmware(QString status) {
+    // qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = m_updateSteps[UPDATE_DC].trimmed();
+
+    if (status.contains(internal::UPDATE_DC_FIRMARE_SUCCESS, Qt::CaseInsensitive)) {
+        s += " <font color='Green'>success</font>";
+    } else {
+        s += " <font color='Red'>UNKNOWN STATUS</font>";
+    }
+
+    s.clear();
+    for (int i = 0; i < m_updateSteps.size(); ++i) {
+        if (i != UPDATE_DC) {
+            s += m_updateSteps[i] + "<br />";
+        } else {
+            s += m_updateSteps[i];
+        }
+    }
+
+    ui->stepLabel->setText(s);
+}
+
+
+void MainWindow::onShowUpdateRequest(QString status) {
+    // qCritical() << __func__ << ":" << __LINE__ << "status" << status;
+
+    QString s = m_updateSteps[CHECK_UPDATE_REQUEST].trimmed();
+
+    bool const custRepoExists = internal::customerRepoExists();
+
+    if (status.contains(UpdateCommand::UPDATE_NOT_REQUESTED, Qt::CaseInsensitive)) {
+        if (custRepoExists) {
+            s += " <font color='Red'>NOT REQUESTED. STOP.</font>";
+        } else {
+            s += " <font color='Blue'>not requested&nbsp;(initial configuration)</font>";
+        }
+    } else
+    if (status.contains(UpdateCommand::UPDATE_REQUESTED, Qt::CaseInsensitive)) {
+        if (custRepoExists) {
+            s += " <font color='Green'>requested</font>";
+        } else {
+            s += " <font color='Blue'>requested&nbsp;(initial configuration)</font>";
+        }
+    } else
+    if (status.contains(UpdateCommand::UPDATE_NOT_NECESSARY, Qt::CaseInsensitive)) {
+        s += " <font color='Green'>not necessary</font>";
+    } else
+    if (status.contains(UpdateCommand::NO_CUSTOMER_REPOSITORY, Qt::CaseInsensitive)) {
+        s += " <font color='Blue'>UNKNOWN (ISMAS not connected)</font>";
+    } else {
+        s += " <font color='Red'>UNKNOWN</font>";
+    }
+
+    m_updateSteps[CHECK_UPDATE_REQUEST] = s;
+    s.clear();
+    for (int i = 0; i < m_updateSteps.size(); ++i) {
+        s += m_updateSteps[i] + "<br />";
+    }
+    ui->stepLabel->setText(s);
+}
+
+void MainWindow::onShowISMASChecks(QString) {
+    // deprecated
+
+    QString s = ui->stepLabel->text();
+    return;
+
+    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) {
+    return;
+
+
+    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;
@@ -199,6 +670,12 @@ 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

@@ -4,6 +4,8 @@
 #include <QMainWindow>
 #include <QTimer>
 #include <QStatusBar>
+#include <QVector>
+#include <QString>
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
@@ -36,8 +38,11 @@ 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 +53,22 @@ 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);
+    void onSummary();
 #if EMERGENCY_LEAVE_BL==1
     void emergencyLeaveBL();
 #endif
@@ -62,6 +83,9 @@ private slots:
     void onQuit();
 
 private:
+
+    int const m_showLineLength = 37;
+
     void scrollDownTextEdit();
     void onShowMessage(QString, QString);
 
@@ -74,5 +98,10 @@ private:
     //int m_progressValue;
     UpdateDcEvent::UpdateStep m_updateStep;
     QTimer *m_statusTimer;
+    QString m_targetDcVersion;
+    int m_stepLabelChopCount{};
+
+    QVector<QString> m_updateSteps{};
+
 };
 #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 +32,31 @@
      </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>
+       <property name="textFormat">
+        <enum>Qt::RichText</enum>
        </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 +65,16 @@
         <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 +84,44 @@
        <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 +1,60 @@
+#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 internal::GIT_CHECKOUT_ERROR_CODE:
+            emit w->showCustRepoStatus(internal::GIT_CUSTOMER_REPO_CHECKOUT_ERROR);
+            break;
+        case internal::GIT_PULL_ERROR_CODE:
+            emit w->showCustRepoStatus(internal::GIT_CUSTOMER_REPO_PULL_ERROR);
+            break;
+        case internal::GIT_NOT_NECESSARY_CODE:
+            emit w->showCustRepoStatus(internal::GIT_CUSTOMER_REPO_NOT_NECESSARY);
+            exitCode = 0;
+            break;
+        case internal::GIT_UPDATED_CODE:
+            emit w->showCustRepoStatus(internal::GIT_CUSTOMER_REPO_UPDATED);
+            exitCode = 0;
+            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();
+            m_commandResult += s;
+            if (m_commandResult.contains(internal::GIT_CUSTOMER_REPO_NO_UPDATE_NECESSARY)) {
+                //emit w->showCustRepoStatus(internal::GIT_CUSTOMER_REPO_NOT_NECESSARY);
+                m_commandResult.clear();
+            } else
+            if (m_commandResult.contains(internal::GIT_CUSTOMER_REPO_UPDATED)) {
+                //emit w->showCustRepoStatus(internal::GIT_CUSTOMER_REPO_UPDATED);
+            }
+        }
+    }
+
+    // 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 +1,19 @@
+#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);
+    QString m_commandResult{};
+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 +1,40 @@
+#include "process/check_update_activation_command.h"
+#include "worker.h"
+#include "utils_internal.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 == internal::UPDATE_REQUESTED) {
+                emit w->showUpdateRequest(internal::UPDATE_REQUESTED);
+            } else
+            if (s == internal::UPDATE_NOT_NECESSARY) {
+                emit w->showUpdateRequest(internal::UPDATE_NOT_NECESSARY);
+            } else
+            if (s == internal::UPDATE_NOT_REQUESTED) {
+                emit w->showUpdateRequest(internal::UPDATE_NOT_REQUESTED);
+            } else
+            if (s == internal::NO_CUSTOMER_REPOSITORY) {
+                emit w->showUpdateRequest(internal::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 +1,146 @@
 #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) {
+                emit m_worker->summary();
+                // qApp->exit(0);
+            } else
+            if ((i = s.indexOf("<DC-UPDATE-SUCCESS>")) != -1) {
+                // TODO
+                emit m_worker->summary();
+            } else
+            if ((i = s.indexOf("<DC-UPDATE-FAILURE>")) != -1) {
+                emit 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) {

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("ATBUpdateDC")) {
+                ISMAS::EventData e(ISMAS::CONTINUE,
+                                   internal::PERCENT_UPDATE_DC,
+                                   0,
+                                   "ATBUpdateDC",
+                                   "downloaded new dc-firmware. about to reboot...");
+                m_worker->clientForUpdate().sendCmdEvent(e);
+            } else
+            if (m_command.contains("ATBUpdateShow")) {
+                // 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 +1,65 @@
+#include "process/update_dc_command.h"
+#include "worker.h"
+#include "utils_internal.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) {
+    Worker *w = worker();
+    if (w) {
+        w->summaryTimer()->start();
+    }
+    return UpdateCommand::finished(exitCode, exitStatus);
+}
+
+void UpdateDCCommand::readyReadStandardOutput() {
+    QProcess *p = (QProcess *)sender();
+    if (p) {
+        Worker *w = worker();
+        if (w) {
+            QString s = p->readAllStandardOutput();
+            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 w->showDcDownload(s);
+            } else
+            if ((i = s.indexOf("<DC-PROGRESS>")) != -1) {
+                bool ok;
+                int v = s.mid(i+13).trimmed().toInt(&ok);
+                if (ok) {
+                    emit w->setDcDownloadProgress(v);
+                    emit w->insertText(s.mid(0,i) + "\n");
+                }
+            } else
+            if ((i = s.indexOf("<DC-UPDATE-FINISH>")) != -1) {
+                emit w->showUpdateDCFirmware(internal::UPDATE_DC_FIRMARE_SUCCESS);
+                // QThread::sleep(3);
+                // emit w->summary();
+                // qApp->exit(0);
+            } else
+            if ((i = s.indexOf("<DC-UPDATE-SUCCESS>")) != -1) {
+                // TODO
+                emit w->summary();
+            } else
+            if ((i = s.indexOf("<DC-UPDATE-FAILURE>")) != -1) {
+                emit w->summary();
+                //qApp->exit(-1);
+            } else {
+                emit w->insertText(s);
+            }
+            m_commandResult += s;
+        }
+    }
+}

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

@@ -105,7 +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)
@@ -116,54 +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 not 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() {
@@ -181,43 +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 {
-    if (m_hw) {
-        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;
-    if (m_hw) {
-        m_hw->dc_closeSerial();
-    }
-}
-
-bool Update::isSerialOpen() const {
-    return m_hw ? m_hw->dc_isPortOpen() : false;
-}
-
 /*
 
  ///////////////////////////////////////////////////////////////////////////////
@@ -302,98 +216,23 @@ 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 {
 
+#if 0
     if (m_hw) {
         m_hw->dc_autoRequest(true); // downloading Json needs the AutoEmission flag
         qDebug() << "SET AUTO-REQUEST=TRUE";
@@ -512,6 +351,7 @@ bool Update::downloadJson(enum FileTypeJson type,
         // QThread::sleep(1);  // make sure the auto-request flag is acknowledged
     }
 
+#endif
     return true;
 }
 
@@ -570,6 +410,7 @@ void Update::finished(int /*exitCode*/, QProcess::ExitStatus /*exitStatus*/) {
 }
 
 QStringList Update::getDcSoftAndHardWareVersion() {
+#if 0
     if (m_hw) {
         m_hw->dc_autoRequest(true);
         QThread::sleep(1); // make sure the timer-slots are active
@@ -592,15 +433,17 @@ QStringList Update::getDcSoftAndHardWareVersion() {
         }
     }
 
+#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("^.*(\\\"[Vv]ersion\\\":)([\\s\\\"]{0,})([^,\\\"]{0,}).*$");
 
-    QString fileVersion("");
     QFile inputFile(QDir::cleanPath(m_customerRepository + QDir::separator() + jsonFileName));
 
     if (inputFile.exists()) {
@@ -625,10 +468,12 @@ QString Update::getFileVersion(QString const& jsonFileName) {
         // 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) {
 
@@ -703,6 +548,7 @@ bool Update::checkDownloadedJsonVersions(QStringList const& jsonFileNames) {
         }
     }
 
+#endif
     return false;
 }
 
@@ -710,6 +556,7 @@ QMap<QString, QString>
 Update::getInstalledJsonVersions(QStringList const& jsonFileNames) {
     QMap<QString, QString> map;
 
+#if 0
     if (!m_hw) {
         qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
                     << "ERROR!!! m_hw == nullptr";
@@ -809,11 +656,13 @@ Update::getInstalledJsonVersions(QStringList const& jsonFileNames) {
         }
     }
 
+#endif
     return map;
 }
 
 bool Update::doUpdate(int &displayIndex, QStringList const &filesToWorkOn) {
 
+#if 0
     if (!m_hw) {
         Utils::printInfoMsg("CA-PLUGIN NOT LOADED");
         return false;
@@ -1020,4 +869,7 @@ bool Update::doUpdate(int &displayIndex, QStringList const &filesToWorkOn) {
     qDebug() << "SET AUTO-REQUEST=TRUE";
 
     return res;
+#endif
+
+    return false;
 }

UpdatePTUDevCtrl/update.h

@@ -22,7 +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;
@@ -102,12 +101,6 @@ public:
                                         QString("etc/psa_config/DC2C_print31.json"),
                                         QString("etc/psa_config/DC2C_print32.json")})));
 
-    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; }
 

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()) {
@@ -109,7 +279,7 @@ QString Utils::getTariffInfo(QString fileName) {
 
 }
 
-QString Utils::zoneName(quint8 i) {
+QString Utils::zoneName(quint8 /* i */) {
     //static constexpr char const *zName[] = {
     //    "",
     //    "purple",

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

@@ -20,12 +20,25 @@
 #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]");
@@ -172,12 +185,94 @@ Worker::Worker(int customerNr,
   , m_pluginVersionPrmCalcConfig(getPluginVersion("/opt/app/ATBAPP/plugins/libPRM_CalculatePricePlugin_ConfigUi.so"))
   , m_pluginVersionTcpZvt(getPluginVersion("/opt/app/ATBAPP/plugins/libTCP_ZVT_CCPlugin.so"))
   , m_ismasUpdateRequests(ISMAS_UPDATE_REQUESTS)
-  , m_waitForNewUpdates(this)
+  , m_summaryTimer(this)
   , 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 ATBUpdateCheck --ismas-connected")
+                    //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 ATBUpdateCheck --update-requested")
+                    //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 ATBUpdateGit")
+                    // 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 ATBUpdateOpkg --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 ATBUpdateDC")
+                    QString("/opt/app/tools/atbupdate/ATBUpdateDC")
+                    , this, ++next));
+
+    // show/send software-status
+    m_workList.push_back(
+                std::make_unique<ShowSoftwareStatusCommand>(
+                    QString("echo ATBUpdateShow")
+                    , this, -1));
+
+    // reboot machine
+    ///////////////////////////////////////////////////////////
+
+    m_start = QDateTime::currentDateTime();
+    m_dcDownloadFirmware->setWorker(this);
+    m_dcDownloadJsonFiles->setWorker(this);
 
     // TODO: turn object into singleton
     instance = this;
@@ -284,6 +379,8 @@ void Worker::privateUpdate() {
         return;
     }
 
+    return;
+
     QString func(__PRETTY_FUNCTION__);
 
     GUI() << (ISMAS() << (CONSOLE() << UPDATE_STEP::STARTED));
@@ -1267,6 +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();
@@ -1288,6 +1386,7 @@ QStringList Worker::getDCVersion() const {
             }
         }
     }
+#endif
     return lst;
 }
 
@@ -1500,3 +1599,19 @@ PSAInstalled Worker::getPSAInstalled() {
 
     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");
+}

UpdatePTUDevCtrl/worker.h

@@ -11,14 +11,17 @@
 #include <QMap>
 #include <QDebug>
 #include <QThread>
+#include <QByteArray>
+#include <QScopedPointer>
 
 #include <optional>
 #include <initializer_list>
 
-#include "update.h"
 #include "git/git_client.h"
 #include "ismas/ismas_client.h"
+#include "ismas/ApismClientForUpdate.h"
 #include "utils.h"
+#include "work_process_list.h"
 
 #ifdef PTU5
 #define SERIAL_PORT "ttymxc2"
@@ -135,6 +138,8 @@
 #define ISMAS_UPDATE_REQUESTS                       (10)
 #define CHECK_UPDATE_TRIGGER_SET                    "Check update trigger ..."
 
+class Command;
+class Update;
 class MainWindow;
 class hwinf;
 class Worker : public QThread{
@@ -173,7 +178,7 @@ class Worker : public QThread{
     QString const m_pluginVersionTcpZvt;
 
     int m_ismasUpdateRequests;
-    QTimer m_waitForNewUpdates;
+    QTimer m_summaryTimer;
 
     QStringList m_filesToUpdate;
     QStringList m_filesToDownload;
@@ -189,9 +194,14 @@ class Worker : public QThread{
     QStringList m_ismasTriggerStatusMessage;
 
     MainWindow *m_mainWindow;
+    Command *m_dcDownloadFirmware;
+    Command *m_dcDownloadJsonFiles;
     bool m_withoutIsmasDirectPort;
     QString m_apismVersion;
 
+    WorkList m_workList;
+    ApismClientForUpdate m_clForUpdate;
+
     bool executeOpkgCommand(QString opkgCommand);
     bool cleanUpOpkgCache();
     QString getOsVersion() const;
@@ -394,6 +404,9 @@ public:
         return m_ismasClient;
     }
 
+    ApismClientForUpdate &clientForUpdate() { return m_clForUpdate; }
+    ApismClientForUpdate const &clientForUpdate() const { return m_clForUpdate; }
+
     Worker *GUI(QStringList const &lst = QStringList()) {
         m_guiMsg = lst;
         return this;
@@ -440,6 +453,8 @@ public:
     void setHW(hwinf *hw) { m_hw = hw; }
     hwinf *getHW() { return m_hw; }
 
+    QString customerRepository() { return m_customerRepository; }
+
     IsmasClient &getIsmasClient() { return m_ismasClient; }
     IsmasClient const &getIsmasClient() const { return m_ismasClient; }
 
@@ -458,8 +473,20 @@ public:
     Update *update() { return m_update; }
     Update const *update() const { return m_update; }
 
+    bool jsUpdate();
+    bool dcUpdate();
+    QDateTime start() { return m_start; }
+
+    QByteArray standardOutput() const { return m_standardOutput; }
+
+    WorkList const &workList() const { return m_workList; }
+    WorkList &workList() { return m_workList; }
+
+    QTimer *summaryTimer() { return &m_summaryTimer; }
+
 signals:
     void appendText(QString, QString suffix = "");
+    void insertText(QString);
     void replaceLast(QString, QString);
     void replaceLast(QStringList, QString);
     void showErrorMessage(QString title, QString description);
@@ -470,6 +497,22 @@ signals:
     void restartExitTimer();
     void enableExit();
     void disableExit();
+    void showDcDownload(QString);
+    void showJsonDownload(QString);
+    void showTariffUpdate(QString);
+    void showISMASChecks(QString);
+    void showISMASConnectivity(QString);
+    void showCustRepoStatus(QString);
+    void showUpdateRequest(QString);
+    void showExecOpkgStatus(QString);
+    void showExecOpkgCommand(QString);
+    void showExecOpkgOverallResult(QString,bool);
+    void showDownloadDCJsonFilesStatus(QString);
+    void showSyncCustRepoStatus(QString);
+    void showUpdateDCFirmware(QString);
+    void summary();
+    void showSummary(QString);
+    void setDcDownloadProgress(int);
 
 private slots:
     bool updateTriggerSet();
@@ -480,6 +523,9 @@ private slots:
     // bool sendIsmasLastVersionNotification(int progress);
     bool saveLogFile();
 
+public slots:
+    void readyReadStandardOutput();
+
 private:
     PSAInstalled getPSAInstalled();
     static bool sendLastVersionOnce;
@@ -487,6 +533,9 @@ private:
     bool computeFilesToDownload();
     bool execOpkgCommands();
 
+    QDateTime m_start;
+    QByteArray m_standardOutput;
+
     static const QMap<UPDATE_STEP, const char*> smap;
 
     // CONSOLE()

common/include/System.h

@@ -25,7 +25,9 @@ public:
     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();
@@ -54,7 +56,8 @@ public:
     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 +1,49 @@
+#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);
+
+    void resetCommandResult() { m_commandResult.clear(); }
+    QString getCommandResult(bool reset = false);
+    QString const &command() const { return m_command; }
+    QString const &commandResult() const { return m_commandResult; }
+    QStringList const &args() const { return m_args; }
+
+    bool exec();
+    int exitCode() const { return m_exitCode; }
+
+private slots:
+    virtual void readyReadStandardOutput();
+    virtual void readyReadStandardError();
+};
+
+#endif // COMMAND_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 +1,88 @@
+#ifndef UTILS_INTERNAL_H_INCLUDED
+#define UTILS_INTERNAL_H_INCLUDED
+
+#include <QString>
+#include <QSettings>
+#include <memory>
+
+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 int NO_CUSTOMER_REPOSITORY_CODE{-8};
+    static constexpr const char *NO_ETC_CUSTOMER_REPOSITORY{"no etc/ in customer repository"};
+    static constexpr const int NO_ETC_CUSTOMER_REPOSITORY_CODE{-9};
+    static constexpr const char *NO_OPT_CUSTOMER_REPOSITORY{"no opt/ in customer repository"};
+    static constexpr const int NO_OPT_CUSTOMER_REPOSITORY_CODE{-10};
+
+    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 *BROKER_CONNECTED{"connected"};
+    static constexpr const char *BROKER_DISCONNECTED{"disconnected"};
+    static constexpr const char *BROKER_DISCONNECTING{"disconnecting"};
+    static constexpr const char *BROKER_NOT_CONNECTED{"not connected"};
+    static constexpr const char *BROKER_CONNECTION_IN_PROGRESS{"connecting"};
+
+    static constexpr const int GIT_CHECKOUT_ERROR_CODE{-2};
+    static constexpr const int GIT_PULL_ERROR_CODE{-4};
+    static constexpr const int GIT_NOT_NECESSARY_CODE{1};
+    static constexpr const int GIT_UPDATED_CODE{2};
+
+    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 *GIT_CUSTOMER_REPO_NO_UPDATE_NECESSARY{"no repository update necessary"};
+    static constexpr const char *GIT_CUSTOMER_REPO_NOT_NECESSARY{"not necessary"};
+    static constexpr const char *GIT_CUSTOMER_REPO_UPDATED{"repository updated"};
+    static constexpr const char *GIT_UPDATED{"updated"};
+
+    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};
+
+    static constexpr const char *DEFAULT_INI_DIR{"/etc/tools/atbupdate/"};
+    static constexpr const char *DEFAULT_INSTALL_DIR{"/opt/app/tools/atbupdate/"};
+
+    int read1stLineOfFile(QString fileName);
+    QString customerRepoRoot();
+    QString customerRepoDir();
+    QString customerRepoDcDir();
+    QString customerRepoDirName();
+    QString repositoryUrl();
+    QString branchName();
+    bool customerRepoExists();
+    std::unique_ptr<QSettings> readSettings(QString const &optionalDirName = "");
+    std::unique_ptr<QString> dcCandidateToInstall(QString const &dcDirectory = "");
+}
+
+#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 +1,148 @@
+#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);
+    }
+
+    enum RESULT_CODE {
+        E_SUCCESS=0,
+        // if between 00:00 - 04:00 Wait-button state not WAIT, then we assume
+        // that's an automatic nightly (not-necessary) update
+        E_NO_UPDATE_NECESSARY=1,
+        // if APISM reports the ISMAS is not available (15x, 6s delay each)
+        E_ISMAS_NO_CONNECTION_ERROR=2,
+        // if not within 00:00-04:00 and WAIT-button was not in state WAIT
+        E_ISMAS_TRIGGER_ERROR=3,
+        // cloning git repo. not possible
+        E_GIT_CLONE_ERROR=4,
+        // pulling from remote git server not possible
+        E_GIT_PULL_ERROR=5,
+        // fetching from remote git server not possible
+        E_GIT_FETCH_ERROR=6,
+        // merging fetched data not possible
+        E_GIT_MERGE_ERROR=7,
+        // check sanity of local customer-repository failed
+        E_GIT_CHECK_REPOSITORY_ERROR=8,
+        // switch/checkout of branch (i.e. zone) on error
+        E_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.
+        E_GIT_FETCH_NEW_BRANCH_ERROR=10,
+        // error computing git-blob hash-value
+        E_GIT_HASH_ERROR=11,
+        // update for general json files failed.
+        E_JSON_FILES_UPDATE_ERROR=12,
+        // error downloading config-json-files to device controller
+        E_JSON_FILES_DOWNLOAD_ERROR=13,
+        // error downloading device-controller
+        E_DC_DOWNLOAD_ERROR=14,
+        // error rsyncing json/ini-files to local filesystem
+        E_RSYN_ERROR=15,
+        // HASH_VALUE_ERROR=14,
+        // HW_COMPATIBILITY_ERROR=15,
+        E_OPKG_COMMANDS_ERROR=16,
+        // CLEANUP_ERROR=18,
+        E_UPDATE_IN_ERROR_STATE=99
+    };
+
+//
+// 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

@@ -265,6 +265,20 @@ std::optional<QString> System::checkForUSBStick(QString const &dirPathUnderMount
     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);
+}
+
 
 
 /**
@@ -315,7 +329,7 @@ QString System::getUSBMountPath(QString const &dirPathUnderMountPath) {
 
                 mountLine = line.split(' ');
                 if (mountLine.size() > 3) {
-                    qCritical() << "System::getUSBMountPath(): " << mountLine.at(0) << " is mounted on " << mountLine.at(2);
+                    // 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);
@@ -332,6 +346,64 @@ QString System::getUSBMountPath(QString const &dirPathUnderMountPath) {
     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;
 
@@ -354,6 +426,38 @@ QStringList System::getJsonFilesOnUsbStick(QString const &mountPath) {
     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.
  *

common/src/command.cpp

@@ -0,0 +1,128 @@
+#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;
+            m_commandResult += s;
+        }
+    }
+}
+
+void Command::readyReadStandardError() {
+    QProcess *p = (QProcess *)sender();
+    if (p) {
+        QString s = p->readAllStandardError();
+//        qCritical().noquote() << s;
+        m_commandResult += s;
+    }
+}
+
+
+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;
+}
+

common/src/utils.cpp

@@ -0,0 +1,55 @@
+#include "utils.h"
+
+#include <QFile>
+#include <QDir>
+#include <QTextStream>
+
+namespace internal {
+
+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;
+}
+
+QString customerRepoRoot() {
+    return "/opt/app/tools/atbupdate/";
+}
+
+QString customerRepoDirName() {
+    int const customerNr = read1stLineOfFile("/mnt/system_data/cust_nr");
+    return (customerNr != -1) ? QString("customer_%1").arg(customerNr) : "";
+}
+
+QString customerRepoDir() {
+    QString const &n = customerRepoDirName();
+    QString const &r = customerRepoRoot();
+    return !n.isEmpty() ? QDir::cleanPath(r + QDir::separator() + n) : "";
+}
+
+bool customerRepoExists() {
+    QString const repoDir{customerRepoDir()};
+    return !repoDir.isEmpty() ? QDir(repoDir).exists() : false;
+}
+
+QString repositoryUrl() {
+    return "gitea@ptu-config.atb-comm.de:ATB/";
+}
+
+QString branchName() {
+    int const zoneNr = read1stLineOfFile("/mnt/system_data/zone_nr");
+    if (zoneNr != -1) {
+        return QString("zg1/zone%1").arg(zoneNr);
+    }
+    return "";
+}
+
+} // namespace internal

common/src/utils_internal.cpp

@@ -0,0 +1,164 @@
+#include "utils_internal.h"
+
+#include <QFile>
+#include <QDir>
+#include <QTextStream>
+#include <QSettings>
+#include <QDebug>
+#include <QCryptographicHash>
+#include <QFileInfoList>
+
+namespace internal {
+
+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;
+}
+
+QString customerRepoRoot() {
+    return "/opt/app/tools/atbupdate/";
+}
+
+QString customerRepoDirName() {
+    int const customerNr = read1stLineOfFile("/mnt/system_data/cust_nr");
+    return (customerNr != -1) ? QString("customer_%1").arg(customerNr) : "";
+}
+
+QString customerRepoDir() {
+    QString const &n = customerRepoDirName();
+    QString const &r = customerRepoRoot();
+    return !n.isEmpty() ? QDir::cleanPath(r + QDir::separator() + n) : "";
+}
+
+QString customerRepoDcDir() {
+    QString const &r = customerRepoDir();
+    return QDir::cleanPath(r + QDir::separator() + "etc/dc/");
+}
+
+bool customerRepoExists() {
+    QString const repoDir{customerRepoDir()};
+    return !repoDir.isEmpty() ? QDir(repoDir).exists() : false;
+}
+
+QString repositoryUrl() {
+    return "gitea@ptu-config.atb-comm.de:ATB/";
+}
+
+QString branchName() {
+    int const zoneNr = read1stLineOfFile("/mnt/system_data/zone_nr");
+    if (zoneNr != -1) {
+        return QString("zg1/zone%1").arg(zoneNr);
+    }
+    return "";
+}
+
+std::unique_ptr<QSettings> readSettings(QString const &optionalDirName) {
+    std::unique_ptr<QSettings> settings{std::make_unique<QSettings>()};
+
+    QString const fileName{settings->applicationName() + ".ini"};
+    QDir d;
+
+    if (!optionalDirName.isEmpty()) {
+        d = QDir{optionalDirName};
+        if (d.exists()) { // try to find ini-file under optionalDirname
+            QFileInfo fi{d, optionalDirName};
+            if (fi.exists()) {
+                settings.reset(new QSettings(fi.absoluteFilePath(), QSettings::IniFormat));
+                return settings;
+            } else {
+                qCritical() << fi.absoluteFilePath() << "not found."
+                            << "Try" << internal::DEFAULT_INI_DIR;
+            }
+        } else {
+            qCritical() << optionalDirName << "not found."
+                        << "Try" << internal::DEFAULT_INSTALL_DIR;
+        }
+    }
+    d = internal::DEFAULT_INI_DIR;
+    if (d.exists()) { // try to find ini-file under /etc/tools/atbupdate
+        QFileInfo fi{d, fileName};
+        if (fi.exists()) {
+            settings.reset(new QSettings(fi.absoluteFilePath(), QSettings::IniFormat));
+            return settings;
+        } else {
+            qCritical() << fi.absoluteFilePath() << "not found."
+                        << "Try" << internal::DEFAULT_INSTALL_DIR;
+        }
+    } else {
+        qCritical() << internal::DEFAULT_INI_DIR << "not found."
+                    << "Try" << internal::DEFAULT_INSTALL_DIR;
+    }
+    d = QDir{internal::DEFAULT_INSTALL_DIR};
+    if (d.exists()) { // try to find ini-file under /opt/app/tools/atbupdate
+        QFileInfo fi{d, fileName};
+        if (fi.exists()) {
+            settings.reset(new QSettings(fi.absoluteFilePath(), QSettings::IniFormat));
+            return settings;
+        } else {
+            qCritical() << fi.absoluteFilePath() << "not found.";
+        }
+    } else {
+        qCritical() << internal::DEFAULT_INSTALL_DIR << "not found.";
+    }
+
+    return settings;
+}
+
+std::unique_ptr<QString> dcCandidateToInstall(QString const &dcDirectory) {
+    std::unique_ptr<QString> dcCandidate{nullptr};
+
+    QDir dcDir{dcDirectory.isEmpty() ? customerRepoDcDir() : dcDirectory};
+    if (dcDir.exists()) {
+
+        QFileInfoList fileInfoList =
+            dcDir.entryInfoList(QStringList("*.bin"),
+                                QDir::Files | QDir::NoDotAndDotDot | QDir::NoSymLinks);
+
+        QFileInfo dc2cbin{dcDir.absoluteFilePath("dc2c.bin")};
+
+
+        if (dc2cbin.exists()) {
+
+            QCryptographicHash md5gen(QCryptographicHash::Md5);
+            QByteArray ba_dc2cbin{};
+            {
+                QFile f{dc2cbin.absoluteFilePath()};
+                if (f.open(QIODevice::ReadOnly)) {
+                    md5gen.addData(f.readAll());
+                    ba_dc2cbin = md5gen.result();
+                    md5gen.reset();
+                }
+            }
+
+            if (ba_dc2cbin.size() > 0) {
+                QFileInfoList::const_iterator it;
+                for (it = fileInfoList.cbegin(); it != fileInfoList.cend(); ++it) {
+                    if (it->absoluteFilePath() != dc2cbin.absoluteFilePath()) {
+                        QFile f{it->absoluteFilePath()};
+                        if (f.open(QIODevice::ReadOnly)) {
+                            md5gen.addData(f.readAll());
+                            if (ba_dc2cbin == md5gen.result()) {
+                                dcCandidate.reset(new QString(f.fileName()));
+                                break;
+                            }
+                            md5gen.reset();
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    return dcCandidate;
+}
+
+} // namespace internal

documentation/atb-update-tool.tex

@@ -0,0 +1,138 @@
+\documentclass[fontsize=11
+pt,a4paper,draft]{scrartcl}[2003/01/01]
+\usepackage[english]{babel}
+\usepackage[T1]{fontenc}
+\usepackage[utf8]{inputenc}
+\usepackage{textcomp}
+\usepackage{blindtext}
+\usepackage{mathpazo}
+\usepackage{amsmath}
+\usepackage{listings}
+\usepackage{minted}
+\usepackage{setspace}
+\usepackage[acronym]{glossaries}
+\usepackage{euler}
+\usepackage[]{mdframed}
+\usepackage{tabularx}
+\usepackage{hyperref}
+\usepackage{pifont}
+\usepackage{float}
+\usepackage{multirow}
+\usepackage{uml}
+\usepackage{tikz,pgfplots}
+\usetikzlibrary{math}
+
+
+\global\mdfdefinestyle{default}{%
+linecolor=black,linewidth=1pt,%
+innertopmargin=20,innerbottommargin=20
+}
+
+\lstset{emph={any-of,all-off},emphstyle=\textbf}
+
+\title{ATB Update Tool(s)}
+
+%\author{Gerhard Hoffmann}
+\date{\today\\\normalsize Version 0.1.0}
+
+% \newacronym{pnd}{PND}{\textbf{p}ay \textbf{and} \textbf{d}isplay machine}
+% \newacronym{psa}{PSA}{pay and display machine}
+
+\newglossaryentry{ISMAS}{%
+    name=ISMAS,
+    description={\textbf{I}ntelligentes \textbf{S}ervice
+ 	\textbf{M}anagement und \textbf{A}bbrechnungs\textbf{S}ystem}
+}%
+
+\newglossaryentry{ATBUpdateCheck}{%
+    name=ATBUpdateCheck,
+    description={Tool for checking ISMAS connectivity and for checking
+	if an update-request has been scheduled.}%
+}%
+
+\newglossaryentry{ATBUpdateGit}{%
+    name=ATBUpdateGit,
+    description={}
+}%
+
+\newglossaryentry{ATBUpdateOpkg}{%
+    name=ATBUpdateOpkg,
+    description={}
+}%
+
+\newglossaryentry{ATBUpdateSync}{%
+    name=ATBUpdateSync,
+    description={}
+}%
+
+\newglossaryentry{ATBUpdateShow}{%
+    name=ATBUpdateShow,
+    description={}
+}%
+
+\newglossaryentry{ATBUpdateDC}{%
+    name=ATBUpdateDC,
+    description={}
+}%
+
+\newglossaryentry{ATBUpdateDCConfig}{%
+    name=ATBUpdateDCConfig,
+    description={}
+}%
+
+\makeglossaries
+
+\begin{document}
+\maketitle
+\tableofcontents
+
+
+\section*{History}
+\begin{table}[htbp]
+    \centering
+
+\begin{tabularx}{\textwidth}{|>{\hsize=.15\hsize}c|>{\hsize=.25\hsize}X|>{\hsize
+=.6\hsize}X|}
+        \hline
+        \textbf{Version}     & \textbf{Date}     & \textbf{Comment}     \\
+\hline
+        0.1.0     & \today        &          \\ \hline
+    \end{tabularx}
+\end{table}
+
+\pagebreak
+
+\section{Introduction}
+  
+\section{ATBUpdateCheck}
+\gls{ATBUpdateCheck} is used for two purposes: 
+\begin{enumerate}
+    \item Check \gls{ISMAS} can be reached (network).
+    \item Check if an update has been scheduled.
+\end{enumerate}
+
+\section{ATBUpdateGit}
+\gls{ATBUpdateGit}
+
+\section{ATBUpdateOpkg}
+\gls{ATBUpdateOpkg}
+
+\section{ATBUpdateSync}
+\gls{ATBUpdateSync}
+
+\section{ATBUpdateDCConfig}
+\gls{ATBUpdateDCConfig}
+
+\section{ATBUpdateDC}
+\gls{ATBUpdateDC}
+
+\section{ATBUpdateShow}
+\gls{ATBUpdateShow}
+
+\section{Known issues}
+
+\pagebreak
+% Print the glossary 
+\printglossaries 
+  
+\end{document}