script to be started if update-tool finished unexpectedly

Add status timer, to show proceeding update, so user does not exit
	application / restart machine.

.gitignore

@@ -1,2 +1,3 @@
 tags
 *.tags
+*.user

ATBUpdateTool.ini

@@ -0,0 +1,21 @@
+[REPOSITORY_URL]
+repository-url="gitea@ptu-config.atb-comm.de:ATB/"
+
+[DIRECTORIES]
+plugin-directory="/usr/lib/"
+working-directory="/opt/app/tools/atbupdate/"
+psa-config-directory="etc/psa_config/"
+psa-tariff-directory="etc/psa_tariff/"
+
+
+[PLUGINS]
+plugin-name="libCAslave.so"
+
+[FLAGS]
+no-psa-hardware-update=false
+dry-run=false
+extended-version=false
+yocto-version=false
+yocto-install=false
+always-download-config=true
+always-download-dc=false

ATBUpdateTool.pro

@@ -1,4 +1,3 @@
 TEMPLATE = subdirs
 CONFIG += ordered
-SUBDIRS = DownloadDCFirmware DownloadDCJsonFiles
+SUBDIRS = DownloadDCFirmware DownloadDCJsonFiles UpdatePTUDevCtrl
-

DownloadDCFirmware/DownloadDCFirmware.pro

@@ -1,5 +1,5 @@
-QT += core
+QT += core gui
-QT += serialport network
+QT += widgets serialport network
 
 TARGET = ATBDownloadDCFirmware
 
@@ -16,6 +16,16 @@ GIT_COMMIT=$$system("git log -1 --format=oneline | cut -d' ' -f1")
 
 EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
 
+!contains(CONFIG, INCLUDEINTERFACES) {
+    INCLUDEINTERFACES=/opt/ptu5/opt/DCLibraries/include
+}
+
+INCLUDEPATH += \
+    plugins \
+    $${INCLUDEINTERFACES} \
+    $${_PRO_FILE_PWD_}/../UpdatePTUDevCtrl \
+    $${_PRO_FILE_PWD_}/../common/include
+
 CONFIG += c++17
 
 DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
@@ -34,6 +44,11 @@ contains( CONFIG, PTU5 ) {
     lessThan(QT_MAJOR_VERSION, 5):   PKGCONFIG += qextserialport
     QMAKE_CXXFLAGS += -O2 -std=c++17   # for GCC >= 4.7
     # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+
+    INCLUDEPATH += $$PTU5BASEPATH/qt/libs/devicecontroller/include
+    LIBS += -L$$PTU5BASEPATH/qt/libs/devicecontroller/library
+
     ARCH = PTU5
     DEFINES+=PTU5
 }
@@ -61,14 +76,32 @@ contains( CONFIG, DesktopLinux ) {
 }
 
 SOURCES += \
-        main.cpp
+        main.cpp \
+        mainwindow.cpp \
+        ../common/src/message_handler.cpp \
+        ../UpdatePTUDevCtrl/commandline_parser.cpp \
+        update.cpp \
+        dc_download.cpp \
+        ../common/src/System.cpp
+
+
+HEADERS += \
+        mainwindow.h \
+        ../common/include/message_handler.h \
+        ../UpdatePTUDevCtrl/commandline_parser.h \
+        update.h \
+        dc_download.h \
+        ../common/include/System.h
 
-# HEADERS +=
 
 OTHER_FILES += \
-    ATBDownloadDCFirmware.ini
+    ATBDownloadDCFirmware.ini \
+    ../ATBUpdateTool.ini
 
 
+FORMS += \
+    mainwindow.ui
+
 ##########################################################################################
 # for running program on target through QtCreator
 contains( CONFIG, PTU5 ) {

DownloadDCFirmware/dc_download.cpp

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

DownloadDCFirmware/dc_download.h

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

DownloadDCFirmware/main.cpp

@@ -1,8 +1,135 @@
+
 #include <QtGlobal>
+#include <QCoreApplication>
+#include <QApplication>
+#include <QByteArray>
+
+#include <QProcess>
+#include <QCommandLineParser>
+#include <QStandardPaths>
+#include <QSettings>
+#include <QDir>
+#include <QDebug>
+#include <QThread>
+
+#include "message_handler.h"
+#include "commandline_parser.h"
+#include "utils.h"
+#include "update.h"
+#include "mainwindow.h"
+#include "System.h"
+
+#include <DeviceController/interfaces.h>
+
+#ifdef __linux__
+#include <sys/sysinfo.h>
+#endif
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+int read1stLineOfFile(QString fileName) {
+    QFile f(fileName);
+    if (f.exists()) {
+        if (f.open(QIODevice::ReadOnly | QIODevice::Text)) {
+            QTextStream in(&f);
+            in.setCodec("UTF-8");
+            while(!in.atEnd()) {
+                return in.readLine().toInt();
+            }
+        }
+    }
+    return -1;
+}
 
 int main(int argc, char **argv) {
-    Q_UNUSED(argc);
+    QByteArray const value = qgetenv("LC_ALL");
-    Q_UNUSED(argv);
+    if (value != "C") {
+        qputenv("LC_ALL", "C");
+    }
+    // qputenv("XDG_RUNTIME_DIR", "/var/run/user/0");
 
+    openlog("ATB-UPDATE-DC-FIRMWARE", LOG_PERROR | LOG_PID | LOG_CONS, LOG_USER);
+
+    QApplication a(argc, argv);
+    QApplication::setApplicationName("ATBDownloadDCFirmware");
+    QApplication::setApplicationVersion(APP_VERSION);
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(LOG_NOTICE);
+    }
+
+    CommandLineParser parser;
+    parser.process(a);
+    parser.readSettings();
+
+    QString repositoryUrl = parser.repositoryUrl();
+    QString plugInDir = parser.plugInDir();
+    QString plugInName = parser.plugInName();
+    QString workingDir = parser.workingDir();
+    QString psaConfigDir = parser.psaConfigDir();
+    QString psaTariffDir = parser.psaTariffDir();
+    QString iniFileName = parser.iniFileName();
+    bool const dryRun = parser.dryRun();
+    bool const noUpdatePsaHardware = parser.noUpdatePsaHardware();
+    bool const showYoctoVersion = parser.yoctoVersion();
+    bool const showYoctoInstallStatus = parser.yoctoInstallStatus();
+    bool const showExtendedVersion = parser.extendedVersion();
+    bool const alwaysDownloadConfig = parser.alwaysDownloadConfig();
+    bool const alwaysDownloadDC = parser.alwaysDownloadDC();
+
+    QString const rtPath = QCoreApplication::applicationDirPath();
+
+    int const machineNr = read1stLineOfFile("/mnt/system_data/machine_nr");
+    int const customerNr = read1stLineOfFile("/mnt/system_data/cust_nr");
+    int const zoneNr = read1stLineOfFile("/mnt/system_data/zone_nr");
+    QString const branchName = (zoneNr != 0)
+            ? QString("zg1/zone%1").arg(zoneNr) : "master";
+
+    qInfo() << "pwd ......................" << rtPath;
+    qInfo() << "repositoryUrl ............" << repositoryUrl;
+    qInfo() << "plugInDir ................" << plugInDir;
+    qInfo() << "plugInName ..............." << plugInName;
+    qInfo() << "workingDir ..............." << workingDir;
+    qInfo() << "psaConfigDir ............." << psaConfigDir;
+    qInfo() << "psaTariffDir ............." << psaTariffDir;
+    qInfo() << "dryRun ..................." << dryRun;
+    qInfo() << "noUpdatePsaHardware ......" << noUpdatePsaHardware;
+    qInfo() << "alwaysDownloadConfig ....." << alwaysDownloadConfig;
+    qInfo() << "alwaysDownloadDC ........." << alwaysDownloadDC;
+    qInfo() << "showYoctoVersion ........." << showYoctoVersion;
+    qInfo() << "showYoctoInstallStatus ..." << showYoctoInstallStatus;
+    qInfo() << "showExtendedVersion ......" << showExtendedVersion;
+    qInfo() << "iniFileName .............." << iniFileName;
+    qInfo() << "extended-version ........." << APP_EXTENDED_VERSION;
+    qInfo() << "machineNr ................" << machineNr;
+    qInfo() << "customerNr ..............." << customerNr;
+    qInfo() << "zoneNr ..................." << zoneNr;
+
+    if (showExtendedVersion) {
+        printf(APP_EXTENDED_VERSION"\n");
         return 0;
     }
+
+    QString const &customerRepo = QDir::cleanPath(workingDir + QDir::separator() + QString("customer_%1").arg(customerNr));
+    QStringList filesToUpdate;
+
+    QThread::currentThread()->setObjectName("main thread");
+    qInfo() << "Main thread" << QThread::currentThreadId();
+
+    MainWindow mw;
+
+    mw.setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
+    // mw.showFullScreen();
+
+    // qCritical() << "SHOW";
+
+    // mw.show();
+
+    return 0;
+    // return a.exec();
+}

DownloadDCFirmware/mainwindow.cpp

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

DownloadDCFirmware/mainwindow.h

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

DownloadDCFirmware/mainwindow.ui

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

DownloadDCFirmware/update.cpp

@@ -0,0 +1,438 @@
+#include "update.h"
+
+#include <QCoreApplication>
+#include <QFile>
+#include <QTemporaryFile>
+#include <QDebug>
+#include <QTextStream>
+#include <QRegularExpression>
+#include <QRegExp>
+
+#if defined (Q_OS_UNIX) || defined (Q_OS_LINUX)
+#include "unistd.h"
+#endif
+
+#include <DeviceController/interfaces.h>
+
+#include <QSharedMemory>
+#include <QScopedPointer>
+#include <QDir>
+#include <QThread>
+#include <QDateTime>
+#include <QPluginLoader>
+#include <QMap>
+
+#define UPDATE_OPKG                 (1)
+#define UPDATE_DC                   (0)
+
+static const QMap<QString, int> baudrateMap = {
+  {"1200"   ,   0}, {"9600"   ,   1}, {"19200"  ,   2}, {"38400"  ,   3},
+  {"57600"  ,   4}, {"115200" ,   5}
+};
+
+QPluginLoader Update::pluginLoader;
+
+hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
+    hwinf *hw = nullptr;
+    if (plugInDir.exists()) {
+        QString pluginLibName(fname);
+        pluginLibName = plugInDir.absoluteFilePath(pluginLibName);
+        QFileInfo info(pluginLibName);
+        if (info.exists()) {
+            pluginLibName = plugInDir.absoluteFilePath(pluginLibName);
+            pluginLoader.setFileName(pluginLibName);
+            // static QPluginLoader pluginLoader(pluginLibName);
+            if (!pluginLoader.load()) {
+                qCritical() << "in directory" << plugInDir.absolutePath();
+                qCritical() << "cannot load plugin" << pluginLoader.fileName();
+                qCritical() << pluginLoader.errorString();
+                return nullptr;
+            }
+
+            qCritical() << "loadDCPlugin() plugin directory:" << plugInDir.absolutePath();
+            qCritical() << "loadDCPlugin() plugin file name:" << pluginLoader.fileName();
+
+            if (!pluginLoader.isLoaded()) {
+                qCritical() << pluginLoader.errorString();
+                return nullptr;
+            }
+            QObject *plugin = pluginLoader.instance();
+            if (!plugin) {
+                qCritical() << "cannot start instance";
+                return nullptr;
+            }
+            if (! (hw = qobject_cast<hwinf *>(plugin))) {
+                qCritical() << "cannot cast plugin" << plugin << "to hwinf";
+                return nullptr;
+            }
+        } else {
+            qCritical() << pluginLibName << "does not exist";
+            return nullptr;
+        }
+    } else {
+        qCritical() << "plugins directory" << plugInDir.absolutePath()
+                    << "does not exist";
+        return nullptr;
+    }
+    return hw;
+}
+
+bool Update::unloadDCPlugin() {
+    if (pluginLoader.unload()) {
+        qCritical() << "unloaded plugin" << pluginLoader.fileName();
+        // Note: will re-instantiate the library !
+        // QObject *rootObject = pluginLoader.instance();
+        // if (rootObject) {
+        //    qCritical() << "reloaded plugin: root object again available";
+        //    return false;
+        // }
+        // qCritical()unloaded plugin: root object gone";
+        return true;
+    }
+    return false;
+}
+
+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() {
+    unloadDCPlugin();
+}
+
+bool Update::doUpdate(QStringList const &filesToWorkOn, bool usbStickDetected) {
+
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return false;
+    }
+
+    int tries = 20;
+    while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
+        // must deliver 'true', only then are all data from hwapi valid
+        if (--tries < 0) {
+            qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                        << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED";
+            return false;
+        }
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
+        m_hw->dc_autoRequest(true);
+        QThread::msleep(500);
+    }
+
+    bool res = false;
+
+    QList<QString>::const_iterator it;
+    for (it = filesToWorkOn.cbegin(); it != filesToWorkOn.cend(); ++it) {
+        QString const &fToWorkOn = usbStickDetected ? QDir::cleanPath(it->trimmed())
+            : QDir::cleanPath(m_customerRepository + QDir::separator() + it->trimmed());
+        if (fToWorkOn.contains("DC2C_print", Qt::CaseInsensitive)
+         && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            res = true;
+            int i = fToWorkOn.indexOf("DC2C_print", Qt::CaseInsensitive);
+            int const templateIdx = fToWorkOn.mid(i).midRef(10, 2).toInt();
+            if ((templateIdx < 1) || (templateIdx > 32)) {
+                qCritical() << "WRONG TEMPLATE INDEX" << templateIdx;
+                res = false;
+            } else {
+                if ((res = updatePrinterTemplate(templateIdx, fToWorkOn))) {
+                    qCritical() <<
+                        QString("DOWNLOADED PRINTER TEMPLATE %1 WITH INDEX=%2")
+                            .arg(fToWorkOn)
+                            .arg(templateIdx);
+                }
+            }
+        } else if (fToWorkOn.contains("DC2C_cash", Qt::CaseInsensitive)
+                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            if ((res = updateCashConf(fToWorkOn))) {
+                qCritical() << QString("DOWNLOADED CASH TEMPLATE %1").arg(fToWorkOn);
+            }
+        } else if (fToWorkOn.contains("DC2C_conf", Qt::CaseInsensitive)
+                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            if ((res = updateConfig(fToWorkOn))) {
+                qCritical() << QString("DOWNLOADED CONFIG TEMPLATE %1").arg(fToWorkOn);
+            }
+        } else if (fToWorkOn.contains("DC2C_device", Qt::CaseInsensitive)
+                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            if ((res = updateDeviceConf(fToWorkOn))) {
+                qCritical() << QString("DOWNLOADED DEVICE TEMPLATE %1").arg(fToWorkOn);
+            }
+        } else {
+            qCritical() << "UNKNOWN JSON FILE NAME" << fToWorkOn;
+            res = false;
+        }
+    }
+
+    return res;
+}
+
+bool Update::checkJsonVersions(QStringList const& jsonFileNames) {
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return false;
+    }
+
+    int tries = 20;
+    while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
+        // must deliver 'true', only then are all data from hwapi valid
+        if (--tries < 0) {
+            qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                        << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED";
+            return false;
+        }
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
+        m_hw->dc_autoRequest(true);
+        QThread::msleep(500);
+    }
+
+    for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
+
+        uint8_t jsonNr = 0;
+
+        QString const &fName = jsonFileNames[i];
+
+        // send one request for every single version
+        // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+        //      6=printer template 1 ..... 36= template 32
+
+        if (fName.endsWith("conf.json")) {
+            jsonNr = 1;
+        } else
+        if (fName.endsWith("device.json")) {
+            jsonNr = 2;
+        } else
+        if (fName.endsWith("cash.json")) {
+            jsonNr = 3;
+        } else {
+            QRegularExpressionMatch match;
+            static const QRegularExpression re("^(.*print)([0-3][0-9])\\.json\\s*$");
+            int idx = fName.indexOf(re, 0, &match);
+            if (idx != -1) {
+                QString captured = match.captured(match.lastCapturedIndex());
+                bool ok = false;
+                int n = captured.toInt(&ok);
+                if (ok) {
+                    // note: use 5 (instead of 4 -> index has been shifted)
+                    jsonNr = n + 5;
+                }
+            }
+        }
+
+        if (jsonNr != 0) {
+            // send one request for every single version
+            // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+            //      5=printer template 1 ..... 36= template 32
+
+            m_hw->sys_requestJsonVersions(jsonNr);
+            QThread::msleep(500);
+
+            char buf[64];
+            memset(buf, 0x00, sizeof(buf));
+            m_hw->sys_getJsonVersions(jsonNr, buf);
+            buf[16] = '\0'; // the DC only handles 16 bytes
+
+            static const QByteArray cb(16, (char)0xff);
+
+            QString const installedVersion(QString::fromStdString(buf));
+            QString const fileVersion = getFileVersion(jsonFileNames[i]);
+
+            QFileInfo fi(jsonFileNames[i]);
+
+            qCritical() << endl;
+            qCritical() << "                json request nr:" << jsonNr;
+
+            if (installedVersion == fileVersion) {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+            } else
+            if (cb == QByteArray(buf) && fileVersion == "") {
+                qCritical() << "unknown json file (repo and DC):" << fi.fileName();
+            } else {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+                qCritical() << "     file version in repository:" << fileVersion;
+            }
+
+        } else {
+            qCritical() << "CANNOT FIND JSON-NR FOR" << fName;
+        }
+    }
+
+    return false;
+}
+
+
+QString Update::getFileVersion(QString const& jsonFileName) {
+    // "version":"15.10.2023 14:55 02.00.06",
+    static const QRegularExpression re("^.*(\\\"[Vv]ersion\\\":)([\\s\\\"]{0,})([^,\\\"]{0,}).*$");
+
+    QString fileVersion("");
+    QFile inputFile(QDir::cleanPath(m_customerRepository + QDir::separator() + jsonFileName));
+
+    if (inputFile.exists()) {
+        if (inputFile.open(QIODevice::ReadOnly)) {
+           QTextStream in(&inputFile);
+           while (!in.atEnd()) {
+              QString line = in.readLine();
+
+              QRegularExpressionMatch match;
+              int idx = line.indexOf(re, 0, &match);
+              if (idx != -1) {
+                  int const lastCaptured = match.lastCapturedIndex();
+                  // the dc only sends 16 Byte
+                  fileVersion = match.captured(lastCaptured);
+                  fileVersion.truncate(16);
+                  break;
+              }
+           }
+           inputFile.close();
+        }
+    } else {
+        // qCritical() << "ERROR" << inputFile.fileName() << "does not exist";
+    }
+
+    return fileVersion;
+}
+
+bool Update::downloadJson(enum FileTypeJson type,
+                          int templateIdx,
+                          QString jsFileToSendToDC) const {
+
+    m_hw->dc_autoRequest(true); // downloading Json needs the AutoEmission flag
+    qDebug() << "SET AUTO-REQUEST=TRUE";
+    QThread::sleep(1);  // make sure the auto-request flag is acknowledged
+
+    QStringList lst;
+    bool ready = false;
+    int nTry = 25;
+    while ((ready = m_hw->sys_ready4sending()) == false) {
+        QThread::msleep(200);
+        if (--nTry <= 0) {
+            qCritical() << "SYS NOT READY FOR SENDING AFTER 5 SECONDS";
+            break;
+        }
+    }
+
+    bool ret = false;
+    QString msg;
+    lst.clear();
+    if (ready) {
+        QFile file(jsFileToSendToDC);
+        QFileInfo fi(jsFileToSendToDC); // max. size of template file is 800 bytes
+        if (file.exists()) {
+            if (file.open(QIODevice::ReadOnly)) {
+                if (fi.size() > 0 && fi.size() <= 800) {
+                    QByteArray ba = file.readAll();
+                    // kindOfFile: 1=config, 2=device, 3=cash, 4=serial, 5=time, 6=printer
+                    //      nrOfTemplate=1...32 if kindOfFile==6
+                    //      content = content of the Json file, max 800byte ascii signs
+                    if (m_hw->sys_sendJsonFileToDc((uint8_t)(type),
+                                                   templateIdx,
+                                                   (uint8_t *)ba.data())) {
+
+                        /*
+                         *  Note: the machine id is contained in DC2C_conf.json.
+                         *  The idea was to use this to check if the download of
+                         *  the json-file was correct. It did not work, as the
+                         *  update of the PSA (to reflect a change in the
+                         *  machine id) did not happen immediately.
+                         *
+                            m_hw->dc_autoRequest(true);
+                            QThread::msleep(500);
+
+                            // testing
+                            m_hw->request_ReadbackMachineID();
+                            QThread::msleep(500);
+
+                            uint8_t data[64];
+                            memset(data, 0x00, sizeof(data));
+                            uint8_t length = 0;
+
+                            m_hw->readback_machineIDdata(&length, data);
+
+                            QThread::msleep(500);
+
+                            QByteArray ba((const char*)data, length);
+
+                            qCritical() << length << "MACHINE ID =" << ba.toHex(':');
+                        */
+
+                        ret = true;
+                    } else {
+                        qCritical() << QString("ERROR SEND JSON-FILE %1 TO DC").arg(file.fileName());
+                    }
+                } else {
+                    qCritical() << QString("SIZE OF %1 TOO BIG (%2 BYTES)").arg(jsFileToSendToDC).arg(fi.size());
+                }
+            } else {
+                qCritical() << QString("CAN NOT OPEN ") + jsFileToSendToDC + " FOR READING";
+            }
+        } else {
+            qCritical() << (QString(jsFileToSendToDC) + " DOES NOT EXIST");
+        }
+    }
+
+    m_hw->dc_autoRequest(false);
+    qDebug() << "SET AUTO-REQUEST=FALSE";
+    QThread::sleep(1);  // make sure the auto-request flag is acknowledged
+
+    return ret;
+}
+
+bool Update::updatePrinterTemplate(int templateIdx, QString jsFile) const {
+    return downloadJson(FileTypeJson::PRINTER, templateIdx, jsFile);
+}
+
+bool Update::updateConfig(QString jsFile) {
+    return downloadJson(FileTypeJson::CONFIG, 0, jsFile);
+}
+
+bool Update::updateCashConf(QString jsFile) {
+    return downloadJson(FileTypeJson::CASH, 0, jsFile);
+}
+
+bool Update::updateDeviceConf(QString jsFile) {
+    return downloadJson(FileTypeJson::DEVICE, 0, jsFile);
+}

DownloadDCFirmware/update.h

@@ -0,0 +1,148 @@
+#ifndef UPDATE_H_INCLUDED
+#define UPDATE_H_INCLUDED
+
+#include <QObject>
+#include <QString>
+#include <QFile>
+#include <QDir>
+#include <QByteArray>
+#include <QProcess>
+#include <QPluginLoader>
+
+#include <initializer_list>
+
+#include <DeviceController/interfaces.h>
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+class Update : public QObject {
+    Q_OBJECT
+
+    hwinf *m_hw = nullptr;
+    char const *m_serialInterface;
+    char const *m_baudrate;
+    QString m_customerRepository;
+    QString m_customerNrStr;
+    QString m_branchName;
+    QString m_pluginName;
+    QString m_workingDir;
+    bool m_maintenanceMode;
+    bool m_dryRun;
+    bool m_sys_areDCdataValid;
+
+    static QPluginLoader pluginLoader;
+
+public:
+    enum class DownloadResult {OK, ERROR, TIMEOUT, NOP};
+    enum class FileTypeJson {CONFIG=1, DEVICE=2, CASH=3, SERIAL=4, TIME=5, PRINTER=6};
+
+    static hwinf *loadDCPlugin(QDir const &plugInDir, QString const &fn);
+    static bool unloadDCPlugin();
+    static QStringList split(QString line, QChar sep = ',');
+
+
+    explicit Update(QString customerRepository,
+                    QString customerNrStr,
+                    QString branchName,
+                    QString plugInDir,
+                    QString pluginName,
+                    QString workingDir,
+                    bool dryRun = false,
+                    QObject *parent = nullptr,
+                    char const *serialInterface = SERIAL_PORT,
+                    char const *baudrate = "115200");
+
+    virtual ~Update() override;
+
+    bool doUpdate(QStringList const &jsonFilesToDownload, bool usbStickDetected = false);
+
+    bool updatePrinterTemplate(int templateIdx, QString fname) const;
+    bool updateConfig(QString jsFileToSendToDC);
+    bool updateCashConf(QString jsFileToSendToDC);
+    bool updateDeviceConf(QString jsFileToSendToDC);
+
+    bool downloadJson(enum FileTypeJson type, int templateIdx,
+                      QString jsFileToSendToDC) const;
+
+
+    QString getFileVersion(QString const& jsonFileName);
+    bool checkJsonVersions(QStringList const& jsonFileNames =
+                            QStringList(
+                                QList(
+                                    std::initializer_list<QString>{
+                                        QString("etc/psa_config/DC2C_conf.json"),
+                                        QString("etc/psa_config/DC2C_cash.json"),
+                                        QString("etc/psa_config/DC2C_device.json"),
+                                        QString("etc/psa_config/DC2C_print01.json"),
+                                        QString("etc/psa_config/DC2C_print02.json"),
+                                        QString("etc/psa_config/DC2C_print03.json"),
+                                        QString("etc/psa_config/DC2C_print04.json"),
+                                        QString("etc/psa_config/DC2C_print05.json"),
+                                        QString("etc/psa_config/DC2C_print06.json"),
+                                        QString("etc/psa_config/DC2C_print07.json"),
+                                        QString("etc/psa_config/DC2C_print08.json"),
+                                        QString("etc/psa_config/DC2C_print09.json"),
+                                        QString("etc/psa_config/DC2C_print10.json"),
+                                        QString("etc/psa_config/DC2C_print11.json"),
+                                        QString("etc/psa_config/DC2C_print12.json"),
+                                        QString("etc/psa_config/DC2C_print13.json"),
+                                        QString("etc/psa_config/DC2C_print14.json"),
+                                        QString("etc/psa_config/DC2C_print15.json"),
+                                        QString("etc/psa_config/DC2C_print16.json"),
+                                        QString("etc/psa_config/DC2C_print17.json"),
+                                        QString("etc/psa_config/DC2C_print18.json"),
+                                        QString("etc/psa_config/DC2C_print19.json"),
+                                        QString("etc/psa_config/DC2C_print20.json"),
+                                        QString("etc/psa_config/DC2C_print21.json"),
+                                        QString("etc/psa_config/DC2C_print22.json"),
+                                        QString("etc/psa_config/DC2C_print23.json"),
+                                        QString("etc/psa_config/DC2C_print24.json"),
+                                        QString("etc/psa_config/DC2C_print25.json"),
+                                        QString("etc/psa_config/DC2C_print26.json"),
+                                        QString("etc/psa_config/DC2C_print27.json"),
+                                        QString("etc/psa_config/DC2C_print28.json"),
+                                        QString("etc/psa_config/DC2C_print29.json"),
+                                        QString("etc/psa_config/DC2C_print30.json"),
+                                        QString("etc/psa_config/DC2C_print31.json"),
+                                        QString("etc/psa_config/DC2C_print32.json")})));
+/*
+    bool checkDownloadedJsonVersions(QStringList const& jsonFileNames);
+
+    hwinf *hw() { return m_hw; }
+    hwinf const *hw() const { return m_hw; }
+
+    //QString customerId() { return m_customerId; }
+    //QString const customerId() const { return m_customerId; }
+
+    QString branchName() { return m_branchName; }
+    QString const branchName() const { return m_branchName; }
+
+    //QString repositoryPath() { return m_repositoryPath; }
+    //QString const repositoryPath() const { return m_repositoryPath; }
+
+private:
+    static QString jsonType(enum FileTypeJson type);
+    bool openSerial(int br, QString baudrate, QString comPort) const;
+    void closeSerial() const;
+    bool isSerialOpen() const;
+    bool resetDeviceController() const;
+    QByteArray loadBinaryDCFile(QString filename) const;
+    bool downloadBinaryToDC(QString const &bFile) const;
+    bool updateBinary(QString const &fileToSendToDC);
+    QStringList getDcSoftAndHardWareVersion();
+    QString getFileVersion(QString const& jsonFile);
+
+private slots:
+    void readyReadStandardOutput();
+    void readyReadStandardError();
+    void finished(int exitCode, QProcess::ExitStatus exitStatus);
+    void onReportDCDownloadStatus(QString const &status);
+    void onReportDCDownloadSuccess(QString const &msg);
+    void onReportDCDownloadFailure(QString const &errorMsg);
+*/
+};
+#endif // UPDATE_H_INCLUDED

DownloadDCFirmware/worker_thread.cpp

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

DownloadDCFirmware/worker_thread.h

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

DownloadDCJsonFiles/DownloadDCJsonFiles.pro

@@ -19,7 +19,12 @@ EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
 !contains(CONFIG, INCLUDEINTERFACES) {
     INCLUDEINTERFACES=/opt/ptu5/opt/DCLibraries/include
 }
-INCLUDEPATH += plugins $${INCLUDEINTERFACES}
+
+INCLUDEPATH += \
+    plugins \
+    $${INCLUDEINTERFACES} \
+    $${_PRO_FILE_PWD_}/../UpdatePTUDevCtrl \
+    $${_PRO_FILE_PWD_}/../common/include
 
 CONFIG += c++17
 
@@ -39,6 +44,12 @@ contains( CONFIG, PTU5 ) {
     lessThan(QT_MAJOR_VERSION, 5):   PKGCONFIG += qextserialport
     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
 }
@@ -67,16 +78,20 @@ contains( CONFIG, DesktopLinux ) {
 
 SOURCES += \
         main.cpp \
-        message_handler.cpp \
+        ../UpdatePTUDevCtrl/message_handler.cpp \
-        process/command.cpp
+        ../UpdatePTUDevCtrl/commandline_parser.cpp \
+        update.cpp \
+        ../common/src/System.cpp
 
 HEADERS += \
-        message_handler.h \
+        ../UpdatePTUDevCtrl/message_handler.h \
-        plugins/interfaces.h \
+        ../UpdatePTUDevCtrl/commandline_parser.h \
-        process/command.h
+        update.h \
+        ../common/include/System.h
 
 OTHER_FILES += \
-    ATBDownloadDCJsonFiles.ini
+    ATBDownloadDCJsonFiles.ini \
+    ../ATBUpdateTool.ini
 
 
 ##########################################################################################

DownloadDCJsonFiles/main.cpp

@@ -3,8 +3,21 @@
 #include <QCoreApplication>
 #include <QByteArray>
 
+
+#include <QProcess>
+#include <QCommandLineParser>
+#include <QStandardPaths>
+#include <QSettings>
+#include <QDir>
+#include <QDebug>
+
 #include "message_handler.h"
-#include "plugins/interfaces.h"
+#include "commandline_parser.h"
+#include "utils.h"
+#include "update.h"
+#include "System.h"
+
+#include <DeviceController/interfaces.h>
 
 
 //#include <unistd.h>
@@ -16,6 +29,20 @@
 #define SERIAL_PORT "ttyUSB0"
 #endif
 
+int read1stLineOfFile(QString fileName) {
+    QFile f(fileName);
+    if (f.exists()) {
+        if (f.open(QIODevice::ReadOnly | QIODevice::Text)) {
+            QTextStream in(&f);
+            in.setCodec("UTF-8");
+            while(!in.atEnd()) {
+                return in.readLine().toInt();
+            }
+        }
+    }
+    return -1;
+}
+
 int main(int argc, char **argv) {
     QByteArray const value = qgetenv("LC_ALL");
     if (value != "C") {
@@ -34,23 +61,98 @@ int main(int argc, char **argv) {
         setDebugLevel(LOG_NOTICE);
     }
 
-    int r = std::system("ls -l /proc/[0-9]*/fd/* 2>/dev/null | grep /dev/ttymxc2 > /tmp/slave-or-master.txt");
+    CommandLineParser parser;
-    // lrwx------    1 root     root            64 Oct 31 14:55 /proc/884/fd/18 -> /dev/ttymxc2
+    parser.process(a);
+    parser.readSettings();
 
-    //std::ifstream ifs("/tmp/slave-or-master.txt");
+    QString repositoryUrl = parser.repositoryUrl();
+    QString plugInDir = parser.plugInDir();
+    QString plugInName = parser.plugInName();
+    QString workingDir = parser.workingDir();
+    QString psaConfigDir = parser.psaConfigDir();
+    QString psaTariffDir = parser.psaTariffDir();
+    QString iniFileName = parser.iniFileName();
+    bool const dryRun = parser.dryRun();
+    bool const noUpdatePsaHardware = parser.noUpdatePsaHardware();
+    bool const showYoctoVersion = parser.yoctoVersion();
+    bool const showYoctoInstallStatus = parser.yoctoInstallStatus();
+    bool const showExtendedVersion = parser.extendedVersion();
+    bool const alwaysDownloadConfig = parser.alwaysDownloadConfig();
+    bool const alwaysDownloadDC = parser.alwaysDownloadDC();
 
-    //if (ifs.is_open()) {
+    QString const rtPath = QCoreApplication::applicationDirPath();
-    //    std::string line;
-    //    if (std::getline(ifs, line)) {
-    //        if (line.size() > 0) {
-    //            std::cout << "SLAVE " << line << std::endl;
-    //        }
-    //    } else {
-    //    }
 
-    //    ifs.close();
+    int const machineNr = read1stLineOfFile("/mnt/system_data/machine_nr");
+    int const customerNr = read1stLineOfFile("/mnt/system_data/cust_nr");
+    int const zoneNr = read1stLineOfFile("/mnt/system_data/zone_nr");
+    QString const branchName = (zoneNr != 0)
+            ? QString("zg1/zone%1").arg(zoneNr) : "master";
 
-    //}
+    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;
 
-    return a.exec();
+    if (showExtendedVersion) {
+        printf(APP_EXTENDED_VERSION"\n");
+        return 0;
+    }
+
+    QString const &customerRepo = QDir::cleanPath(workingDir + QDir::separator() + QString("customer_%1").arg(customerNr));
+    QStringList filesToUpdate;
+
+    // etc/psa_config: located under mount-path
+    std::optional<QString> mountPath = System::checkForUSBStick(psaConfigDir);
+    if (mountPath.has_value()) {
+        filesToUpdate = System::getJsonFilesOnUsbStick(mountPath.value());
+    } else {
+        qCritical() << "Using customer repository" << customerRepo;
+
+        QDir dir(QDir::cleanPath(customerRepo + QDir::separator() + "etc/psa_config"));
+        if (dir.exists()) {
+            QStringList jsons = dir.entryList(QStringList() << "DC2C*.json", QDir::Files);
+            if (!jsons.isEmpty()) {
+                for (QStringList::size_type i=0; i<jsons.size(); ++i) {
+                    filesToUpdate << QDir::cleanPath(QString("etc/psa_config/") + jsons.at(i));
+                }
+            }
+        } else {
+            qCritical() << "DIRECTORY" << dir << "DOES NOT EXIST";
+            return -1;
+        }
+    }
+
+    // qCritical() << "JSON FILES TO UPDATE" << filesToUpdate;
+
+    Update update(customerRepo,
+                  QString::number(customerNr),
+                  branchName,
+                  plugInDir,
+                  plugInName,
+                  workingDir);
+
+    update.doUpdate(filesToUpdate, mountPath.has_value());
+    update.checkJsonVersions();
+    //update.checkJsonVersions(filesToUpdate);
+
+    if (mountPath.has_value()) {
+        System::umountUSBStick();
+    }
+
+    return 0;
 }

DownloadDCJsonFiles/update.cpp

@@ -0,0 +1,434 @@
+#include "update.h"
+
+#include <QCoreApplication>
+#include <QFile>
+#include <QTemporaryFile>
+#include <QDebug>
+#include <QTextStream>
+#include <QRegularExpression>
+#include <QRegExp>
+
+#if defined (Q_OS_UNIX) || defined (Q_OS_LINUX)
+#include "unistd.h"
+#endif
+
+#include <DeviceController/interfaces.h>
+
+#include <QSharedMemory>
+#include <QScopedPointer>
+#include <QDir>
+#include <QThread>
+#include <QDateTime>
+#include <QPluginLoader>
+#include <QMap>
+
+#define UPDATE_OPKG                 (1)
+#define UPDATE_DC                   (0)
+
+static const QMap<QString, int> baudrateMap = {
+  {"1200"   ,   0}, {"9600"   ,   1}, {"19200"  ,   2}, {"38400"  ,   3},
+  {"57600"  ,   4}, {"115200" ,   5}
+};
+
+QPluginLoader Update::pluginLoader;
+
+hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
+    hwinf *hw = nullptr;
+    if (plugInDir.exists()) {
+        QString pluginLibName(fname);
+        pluginLibName = plugInDir.absoluteFilePath(pluginLibName);
+        QFileInfo info(pluginLibName);
+        if (info.exists()) {
+            pluginLibName = plugInDir.absoluteFilePath(pluginLibName);
+            pluginLoader.setFileName(pluginLibName);
+            // static QPluginLoader pluginLoader(pluginLibName);
+            if (!pluginLoader.load()) {
+                qCritical() << "in directory" << plugInDir.absolutePath();
+                qCritical() << "cannot load plugin" << pluginLoader.fileName();
+                qCritical() << pluginLoader.errorString();
+                return nullptr;
+            }
+
+            qCritical() << "loadDCPlugin() plugin directory:" << plugInDir.absolutePath();
+            qCritical() << "loadDCPlugin() plugin file name:" << pluginLoader.fileName();
+
+            if (!pluginLoader.isLoaded()) {
+                qCritical() << pluginLoader.errorString();
+                return nullptr;
+            }
+            QObject *plugin = pluginLoader.instance();
+            if (!plugin) {
+                qCritical() << "cannot start instance";
+                return nullptr;
+            }
+            if (! (hw = qobject_cast<hwinf *>(plugin))) {
+                qCritical() << "cannot cast plugin" << plugin << "to hwinf";
+                return nullptr;
+            }
+        } else {
+            qCritical() << pluginLibName << "does not exist";
+            return nullptr;
+        }
+    } else {
+        qCritical() << "plugins directory" << plugInDir.absolutePath()
+                    << "does not exist";
+        return nullptr;
+    }
+    return hw;
+}
+
+bool Update::unloadDCPlugin() {
+    if (pluginLoader.unload()) {
+        qCritical() << "unloaded plugin" << pluginLoader.fileName();
+        // Note: will re-instantiate the library !
+        // QObject *rootObject = pluginLoader.instance();
+        // if (rootObject) {
+        //    qCritical() << "reloaded plugin: root object again available";
+        //    return false;
+        // }
+        // qCritical()unloaded plugin: root object gone";
+        return true;
+    }
+    return false;
+}
+
+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() {
+    unloadDCPlugin();
+}
+
+bool Update::doUpdate(QStringList const &filesToWorkOn, bool usbStickDetected) {
+
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return false;
+    }
+
+    int tries = 20;
+    while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
+        // must deliver 'true', only then are all data from hwapi valid
+        if (--tries < 0) {
+            qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                        << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED";
+            return false;
+        }
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
+        m_hw->dc_autoRequest(true);
+        QThread::msleep(500);
+    }
+
+    bool res = false;
+
+    QList<QString>::const_iterator it;
+    for (it = filesToWorkOn.cbegin(); it != filesToWorkOn.cend(); ++it) {
+        QString const &fToWorkOn = usbStickDetected ? QDir::cleanPath(it->trimmed())
+            : QDir::cleanPath(m_customerRepository + QDir::separator() + it->trimmed());
+        if (fToWorkOn.contains("DC2C_print", Qt::CaseInsensitive)
+         && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            res = true;
+            int i = fToWorkOn.indexOf("DC2C_print", Qt::CaseInsensitive);
+            int const templateIdx = fToWorkOn.mid(i).midRef(10, 2).toInt();
+            if ((templateIdx < 1) || (templateIdx > 32)) {
+                qCritical() << "WRONG TEMPLATE INDEX" << templateIdx;
+                res = false;
+            } else {
+                if ((res = updatePrinterTemplate(templateIdx, fToWorkOn))) {
+                    qCritical() <<
+                        QString("DOWNLOADED PRINTER TEMPLATE %1 WITH INDEX=%2")
+                            .arg(fToWorkOn)
+                            .arg(templateIdx);
+                }
+            }
+        } else if (fToWorkOn.contains("DC2C_cash", Qt::CaseInsensitive)
+                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            if ((res = updateCashConf(fToWorkOn))) {
+                qCritical() << QString("DOWNLOADED CASH TEMPLATE %1").arg(fToWorkOn);
+            }
+        } else if (fToWorkOn.contains("DC2C_conf", Qt::CaseInsensitive)
+                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            if ((res = updateConfig(fToWorkOn))) {
+                qCritical() << QString("DOWNLOADED CONFIG TEMPLATE %1").arg(fToWorkOn);
+            }
+        } else if (fToWorkOn.contains("DC2C_device", Qt::CaseInsensitive)
+                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            if ((res = updateDeviceConf(fToWorkOn))) {
+                qCritical() << QString("DOWNLOADED DEVICE TEMPLATE %1").arg(fToWorkOn);
+            }
+        } else {
+            qCritical() << "UNKNOWN JSON FILE NAME" << fToWorkOn;
+            res = false;
+        }
+    }
+
+    return res;
+}
+
+bool Update::checkJsonVersions(QStringList const& jsonFileNames) {
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return false;
+    }
+
+    int tries = 20;
+    while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
+        // must deliver 'true', only then are all data from hwapi valid
+        if (--tries < 0) {
+            qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                        << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED";
+            return false;
+        }
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
+        m_hw->dc_autoRequest(true);
+        QThread::msleep(500);
+    }
+
+    for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
+
+        uint8_t jsonNr = 0;
+
+        QString const &fName = jsonFileNames[i];
+
+        // send one request for every single version
+        // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+        //      6=printer template 1 ..... 36= template 32
+
+        if (fName.endsWith("conf.json")) {
+            jsonNr = 1;
+        } else
+        if (fName.endsWith("device.json")) {
+            jsonNr = 2;
+        } else
+        if (fName.endsWith("cash.json")) {
+            jsonNr = 3;
+        } else {
+            QRegularExpressionMatch match;
+            static const QRegularExpression re("^(.*print)([0-3][0-9])\\.json\\s*$");
+            int idx = fName.indexOf(re, 0, &match);
+            if (idx != -1) {
+                QString captured = match.captured(match.lastCapturedIndex());
+                bool ok = false;
+                int n = captured.toInt(&ok);
+                if (ok) {
+                    // note: use 5 (instead of 4 -> index has been shifted)
+                    jsonNr = n + 5;
+                }
+            }
+        }
+
+        if (jsonNr != 0) {
+            // send one request for every single version
+            // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+            //      5=printer template 1 ..... 36= template 32
+
+            m_hw->sys_requestJsonVersions(jsonNr);
+            QThread::msleep(500);
+
+            char buf[64];
+            memset(buf, 0x00, sizeof(buf));
+            m_hw->sys_getJsonVersions(jsonNr, buf);
+            buf[16] = '\0'; // the DC only handles 16 bytes
+
+            static const QByteArray cb(16, (char)0xff);
+
+            QString const installedVersion(QString::fromStdString(buf));
+            QString const fileVersion = getFileVersion(jsonFileNames[i]);
+
+            QFileInfo fi(jsonFileNames[i]);
+
+            qCritical() << endl;
+            qCritical() << "                json request nr:" << jsonNr;
+
+            if (installedVersion == fileVersion) {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+            } else
+            if (cb == QByteArray(buf) && fileVersion == "") {
+                qCritical() << "unknown json file (repo and DC):" << fi.fileName();
+            } else {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+                qCritical() << "     file version in repository:" << fileVersion;
+            }
+
+        } else {
+            qCritical() << "CANNOT FIND JSON-NR FOR" << fName;
+        }
+    }
+
+    return false;
+}
+
+
+QString Update::getFileVersion(QString const& jsonFileName) {
+    // "version":"15.10.2023 14:55 02.00.06",
+    static const QRegularExpression re("^.*(\\\"[Vv]ersion\\\":)([\\s\\\"]{0,})([^,\\\"]{0,}).*$");
+
+    QString fileVersion("");
+    QFile inputFile(QDir::cleanPath(m_customerRepository + QDir::separator() + jsonFileName));
+
+    if (inputFile.exists()) {
+        if (inputFile.open(QIODevice::ReadOnly)) {
+           QTextStream in(&inputFile);
+           while (!in.atEnd()) {
+              QString line = in.readLine();
+
+              QRegularExpressionMatch match;
+              int idx = line.indexOf(re, 0, &match);
+              if (idx != -1) {
+                  int const lastCaptured = match.lastCapturedIndex();
+                  // the dc only sends 16 Byte
+                  fileVersion = match.captured(lastCaptured);
+                  fileVersion.truncate(16);
+                  break;
+              }
+           }
+           inputFile.close();
+        }
+    } else {
+        // qCritical() << "ERROR" << inputFile.fileName() << "does not exist";
+    }
+
+    return fileVersion;
+}
+
+bool Update::downloadJson(enum FileTypeJson type,
+                          int templateIdx,
+                          QString jsFileToSendToDC) const {
+
+    m_hw->dc_autoRequest(true); // downloading Json needs the AutoEmission flag
+    qDebug() << "SET AUTO-REQUEST=TRUE";
+    QThread::sleep(1);  // make sure the auto-request flag is acknowledged
+
+    QStringList lst;
+    bool ready = false;
+    int nTry = 25;
+    while ((ready = m_hw->sys_ready4sending()) == false) {
+        QThread::msleep(200);
+        if (--nTry <= 0) {
+            qCritical() << "SYS NOT READY FOR SENDING AFTER 5 SECONDS";
+            break;
+        }
+    }
+
+    bool ret = false;
+    QString msg;
+    lst.clear();
+    if (ready) {
+        QFile file(jsFileToSendToDC);
+        QFileInfo fi(jsFileToSendToDC); // max. size of template file is 800 bytes
+        if (file.exists()) {
+            if (file.open(QIODevice::ReadOnly)) {
+                if (fi.size() > 0 && fi.size() <= 800) {
+                    QByteArray ba = file.readAll();
+                    // kindOfFile: 1=config, 2=device, 3=cash, 4=serial, 5=time, 6=printer
+                    //      nrOfTemplate=1...32 if kindOfFile==6
+                    //      content = content of the Json file, max 800byte ascii signs
+                    if (m_hw->sys_sendJsonFileToDc((uint8_t)(type),
+                                                   templateIdx,
+                                                   (uint8_t *)ba.data())) {
+
+                        /*
+                         *  Note: the machine id is contained in DC2C_conf.json.
+                         *  The idea was to use this to check if the download of
+                         *  the json-file was correct. It did not work, as the
+                         *  update of the PSA (to reflect a change in the
+                         *  machine id) did not happen immediately.
+                         *
+                            m_hw->dc_autoRequest(true);
+                            QThread::msleep(500);
+
+                            // testing
+                            m_hw->request_ReadbackMachineID();
+                            QThread::msleep(500);
+
+                            uint8_t data[64];
+                            memset(data, 0x00, sizeof(data));
+                            uint8_t length = 0;
+
+                            m_hw->readback_machineIDdata(&length, data);
+
+                            QThread::msleep(500);
+
+                            QByteArray ba((const char*)data, length);
+
+                            qCritical() << length << "MACHINE ID =" << ba.toHex(':');
+                        */
+
+                        ret = true;
+                    } else {
+                        qCritical() << QString("ERROR SEND JSON-FILE %1 TO DC").arg(file.fileName());
+                    }
+                } else {
+                    qCritical() << QString("SIZE OF %1 TOO BIG (%2 BYTES)").arg(jsFileToSendToDC).arg(fi.size());
+                }
+            } else {
+                qCritical() << QString("CAN NOT OPEN ") + jsFileToSendToDC + " FOR READING";
+            }
+        } else {
+            qCritical() << (QString(jsFileToSendToDC) + " DOES NOT EXIST");
+        }
+    }
+
+    return ret;
+}
+
+bool Update::updatePrinterTemplate(int templateIdx, QString jsFile) const {
+    return downloadJson(FileTypeJson::PRINTER, templateIdx, jsFile);
+}
+
+bool Update::updateConfig(QString jsFile) {
+    return downloadJson(FileTypeJson::CONFIG, 0, jsFile);
+}
+
+bool Update::updateCashConf(QString jsFile) {
+    return downloadJson(FileTypeJson::CASH, 0, jsFile);
+}
+
+bool Update::updateDeviceConf(QString jsFile) {
+    return downloadJson(FileTypeJson::DEVICE, 0, jsFile);
+}

DownloadDCJsonFiles/update.h

@@ -0,0 +1,148 @@
+#ifndef UPDATE_H_INCLUDED
+#define UPDATE_H_INCLUDED
+
+#include <QObject>
+#include <QString>
+#include <QFile>
+#include <QDir>
+#include <QByteArray>
+#include <QProcess>
+#include <QPluginLoader>
+
+#include <initializer_list>
+
+#include <DeviceController/interfaces.h>
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+class Update : public QObject {
+    Q_OBJECT
+
+    hwinf *m_hw = nullptr;
+    char const *m_serialInterface;
+    char const *m_baudrate;
+    QString m_customerRepository;
+    QString m_customerNrStr;
+    QString m_branchName;
+    QString m_pluginName;
+    QString m_workingDir;
+    bool m_maintenanceMode;
+    bool m_dryRun;
+    bool m_sys_areDCdataValid;
+
+    static QPluginLoader pluginLoader;
+
+public:
+    enum class DownloadResult {OK, ERROR, TIMEOUT, NOP};
+    enum class FileTypeJson {CONFIG=1, DEVICE=2, CASH=3, SERIAL=4, TIME=5, PRINTER=6};
+
+    static hwinf *loadDCPlugin(QDir const &plugInDir, QString const &fn);
+    static bool unloadDCPlugin();
+    static QStringList split(QString line, QChar sep = ',');
+
+
+    explicit Update(QString customerRepository,
+                    QString customerNrStr,
+                    QString branchName,
+                    QString plugInDir,
+                    QString pluginName,
+                    QString workingDir,
+                    bool dryRun = false,
+                    QObject *parent = nullptr,
+                    char const *serialInterface = SERIAL_PORT,
+                    char const *baudrate = "115200");
+
+    virtual ~Update() override;
+
+    bool doUpdate(QStringList const &jsonFilesToDownload, bool usbStickDetected = false);
+
+    bool updatePrinterTemplate(int templateIdx, QString fname) const;
+    bool updateConfig(QString jsFileToSendToDC);
+    bool updateCashConf(QString jsFileToSendToDC);
+    bool updateDeviceConf(QString jsFileToSendToDC);
+
+    bool downloadJson(enum FileTypeJson type, int templateIdx,
+                      QString jsFileToSendToDC) const;
+
+
+    QString getFileVersion(QString const& jsonFileName);
+    bool checkJsonVersions(QStringList const& jsonFileNames =
+                            QStringList(
+                                QList(
+                                    std::initializer_list<QString>{
+                                        QString("etc/psa_config/DC2C_conf.json"),
+                                        QString("etc/psa_config/DC2C_cash.json"),
+                                        QString("etc/psa_config/DC2C_device.json"),
+                                        QString("etc/psa_config/DC2C_print01.json"),
+                                        QString("etc/psa_config/DC2C_print02.json"),
+                                        QString("etc/psa_config/DC2C_print03.json"),
+                                        QString("etc/psa_config/DC2C_print04.json"),
+                                        QString("etc/psa_config/DC2C_print05.json"),
+                                        QString("etc/psa_config/DC2C_print06.json"),
+                                        QString("etc/psa_config/DC2C_print07.json"),
+                                        QString("etc/psa_config/DC2C_print08.json"),
+                                        QString("etc/psa_config/DC2C_print09.json"),
+                                        QString("etc/psa_config/DC2C_print10.json"),
+                                        QString("etc/psa_config/DC2C_print11.json"),
+                                        QString("etc/psa_config/DC2C_print12.json"),
+                                        QString("etc/psa_config/DC2C_print13.json"),
+                                        QString("etc/psa_config/DC2C_print14.json"),
+                                        QString("etc/psa_config/DC2C_print15.json"),
+                                        QString("etc/psa_config/DC2C_print16.json"),
+                                        QString("etc/psa_config/DC2C_print17.json"),
+                                        QString("etc/psa_config/DC2C_print18.json"),
+                                        QString("etc/psa_config/DC2C_print19.json"),
+                                        QString("etc/psa_config/DC2C_print20.json"),
+                                        QString("etc/psa_config/DC2C_print21.json"),
+                                        QString("etc/psa_config/DC2C_print22.json"),
+                                        QString("etc/psa_config/DC2C_print23.json"),
+                                        QString("etc/psa_config/DC2C_print24.json"),
+                                        QString("etc/psa_config/DC2C_print25.json"),
+                                        QString("etc/psa_config/DC2C_print26.json"),
+                                        QString("etc/psa_config/DC2C_print27.json"),
+                                        QString("etc/psa_config/DC2C_print28.json"),
+                                        QString("etc/psa_config/DC2C_print29.json"),
+                                        QString("etc/psa_config/DC2C_print30.json"),
+                                        QString("etc/psa_config/DC2C_print31.json"),
+                                        QString("etc/psa_config/DC2C_print32.json")})));
+/*
+    bool checkDownloadedJsonVersions(QStringList const& jsonFileNames);
+
+    hwinf *hw() { return m_hw; }
+    hwinf const *hw() const { return m_hw; }
+
+    //QString customerId() { return m_customerId; }
+    //QString const customerId() const { return m_customerId; }
+
+    QString branchName() { return m_branchName; }
+    QString const branchName() const { return m_branchName; }
+
+    //QString repositoryPath() { return m_repositoryPath; }
+    //QString const repositoryPath() const { return m_repositoryPath; }
+
+private:
+    static QString jsonType(enum FileTypeJson type);
+    bool openSerial(int br, QString baudrate, QString comPort) const;
+    void closeSerial() const;
+    bool isSerialOpen() const;
+    bool resetDeviceController() const;
+    QByteArray loadBinaryDCFile(QString filename) const;
+    bool downloadBinaryToDC(QString const &bFile) const;
+    bool updateBinary(QString const &fileToSendToDC);
+    QStringList getDcSoftAndHardWareVersion();
+    QString getFileVersion(QString const& jsonFile);
+
+private slots:
+    void readyReadStandardOutput();
+    void readyReadStandardError();
+    void finished(int exitCode, QProcess::ExitStatus exitStatus);
+    void onReportDCDownloadStatus(QString const &status);
+    void onReportDCDownloadSuccess(QString const &msg);
+    void onReportDCDownloadFailure(QString const &errorMsg);
+*/
+};
+#endif // UPDATE_H_INCLUDED

UpdatePTUDevCtrl/DC2C_print01.json

@@ -0,0 +1,36 @@
+{
+"title":"DC2C_pri01",
+"project":"DBM Szeged park_coins",
+"issued":"13.04.2023 01.01",
+"styl":"size 01",
+"text":"PARKOLÓJEGY",
+"styl":"size 11",
+"feed":"nl",
+"text":"Nyugta",
+"styl":"size 00",
+"feed":"nl",
+"feed":"nl",
+"text":"mögé jól láthatóan", 
+"feed":"nl",
+"text":"elhelyezni!",
+"feed":"nl",
+"text":"A PARKOLÓ NEM ŐRZÖTT!",
+"feed":"nl",
+"styl":"size 10",
+"text":"Rendszám: ",
+"styl":"size 00",
+"feed":"nl",
+"vari":"Dynamic01",
+"feed":"nl",
+"text":"Parkolási idõ vége:",
+"vari":"Dynamic02",
+"vari":"Dynamic03",
+"feed":"nl",
+"text":"Parkolás helye:",
+"vari":"location",
+"text":"Összeg: ",
+"vari":"Dynamic04",
+"feed":"nl",
+}
+
+

UpdatePTUDevCtrl/DC2C_print02.json

@@ -0,0 +1,30 @@
+{
+"title":"DC2C_pri02",
+"project":"DBM Szeged park_coins",
+"issued":"13.04.2023 01.01",
+"text":"Kiadás időpontja:",
+"vari":"date us",	
+"vari":"time long",	
+"text":"Automata száma: ",
+"vari":"manu",
+"feed":"nl",
+"text":"Park.jegy sorsz.: ",
+"vari":"TickCtr",
+"feed":"nl",
+"text":"Szegedi Közlekedési Kft",
+"feed":"nl",
+"text":"6720 Szeged ",
+"feed":"nl",
+"text":"Zrínyi utca 4-8",
+"feed":"nl",
+"text":"Adósz: 11092612-2-06", 
+"feed":"nl",
+"text":"A jegy ára az ÁFA-t", 
+"feed":"nl",
+"text":"     tartalmazza!",
+"feed":"nl",
+"text":"Üf. szolg nyitvatartás:",
+"feed":"nl",
+}
+
+

UpdatePTUDevCtrl/DC2C_print03.json

@@ -0,0 +1,20 @@
+{
+"title":"DC2C_pri03",
+"project":"DBM Szeged park_coins",
+"issued":"13.04.2023 01.01",
+"text":"H - P: 7:45 - 17:00",
+"feed":"nl",
+"text":"Tel: (80) 820-500",
+"feed":"nl",
+"text":"Parkoljon egy érintéssel. ",
+"feed":"nl",
+"text":"Használja bankkártyáját ",
+"feed":"nl",
+"text":"  automatáinknál is!",
+"feed":"nl",
+"feed":"nl",
+"feed":"nl",
+"feed":"eject",
+}
+
+

UpdatePTUDevCtrl/OnDemandUpdatePTU.pro

@@ -0,0 +1,267 @@
+QT += core gui
+QT += widgets serialport network
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = ATBUpdateTool
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+# 1.3.6 :   Do not update device-controller/json files, but have the library
+#           (in a later step) do that.
+#           Fixed sending messages to ISMAS.
+#           Always execute contents of opkg_commands-file (even if there are no
+#           changes).
+# 1.3.7 :   Wait forever for git-commands to finish in QProcess executing such
+#           a command.
+# 1.3.8 :   Remove accessing opkg_commands under file-system-path /etc/psa_update.
+#           Activate download of json-configuration files.
+# 1.3.9 :   Fix sendLastVersion: use configured branch and not master branch in
+#               git show origin/master -s --format="c=%h m=%s d=%cI"    ==>
+#               git show origin/zg1/zone1 -s --format="c=%h m=%s d=%cI"
+#           Use dynamic values for os-release and apism-version when sending
+#           last version info.
+# 1.3.10:   Fix premature killing opkg-commands: detected timeout of 100s was
+#           too small when updating apism.
+#           Fix display of UPDATE_SUCCESS when opkg_command fails. Detected when
+#           updating apsim failed.
+# 1.3.11:   Integrate version of ATBUpdateTool in SendLastVersion-ISMAS-message.
+# 1.3.12:   Add command parameters for output of yocto-infos about ATBUpdateTool.
+#           Use 'git pull' instead of 'git fetch'.
+#           Use 'git clone --filter=blob:none' instead of 'git clone' to speed
+#           up cloning of customer repository.
+# 1.3.13:   Fix: if the customer repository is corrupted, remove it and re-clone
+#           the repository (without checking the ISMAS-trigger (WAIT-)button.
+# 1.3.14:   Add additional check for sanity of customer repository using
+#           "git fsck".
+#           Stream-lined code of update process: massive refactoring.
+#           Added functionality: If WAIT button is not active, then an existing
+#           customer repository will be repaired, or a not existing repository
+#           will be cloned. The process stops then.
+#           However, if the WAIT button is active, the at least the commands in
+#           opkg_commands will be executed. Changed files in the customer
+#           repository will be worked on: tariff-files will be synced with the
+#           local filesystem, json-files will be downloaded to firmware.
+#           The device-controller firmware will be handled in a later version.
+# 1.3.15:   Bug fixes found during testing.
+#           Do not disable Exit-button during update-process.
+#           Removed worker-thread with an own event-loop: only the GUI thread
+#           has an event loop. Tested JSON-downloads several times successfully
+#           (using the slave lib where the CA helper tool was active as master).
+#           Turned previous worker-object into its own thread, but without any
+#           own event-loop (so it cannot block anything inside the CA-plugin).
+# 1.3.16:   Bug fixes found during testing.
+# 1.3.17:   Add ATBUpdateTool.ini and custom command line parser. Settings
+#           given in ATBUpdateTool.ini can be overwritten on the command-line.
+# 1.3.18:   Bug fixes found during testing.
+# 1.3.19:   Bug fixes found during testing.
+# 1.3.20:   Bug fixes found during testing.
+# 1.3.21:   Bug fixes found during testing:
+#           Fix directory of ATBUpdateTool.ini to be the working directory of
+#           the application rather than just ".".
+#           Check existance of etc-directory inside customer repository.
+#           Check for valid ISMAS trigger (button) 15x (=90s).
+#           NOTE: if the customer repository is cloned (or repaired and cloned
+#           again), and if the settings always-download-config=true and
+#           always-download-dc=true in the ATBUpdateTool.ini file, the download
+#           the printer-json files and the device controller file, even without
+#           an activated ISMAS trigger (button). The tariff-files are rsynced to
+#           the local filesystem for such clone.
+#           Set new filename for device controller: dc2c.bin.
+# 1.3.22:   Bug fixes found during testing:
+#           Fix the path-names of the json-files and the device-controller.
+#           Set automatic download of json-file in ATBUpdateTool.ini file for
+#           a fresh clone of the repository.
+# 1.3.23:   Added a 'break' to prevent a possible endless loop when checking if
+#           the device is alive.
+#
+# NOTE:     The versioning info has to be shifted up by one version, i.e. what
+#           happened for 1.3.23 was actually done in 1.3.24.
+# 1.3.24
+#
+# 1.3._24_: Special version for szeged using a old dc-controller (4.42):
+#           Changes:
+#               (1) the ini-File now uses the libCAmaster.so.
+# 1.3._25_: Again special version for szeged, using interface.h, version 4.4.
+# 1.4.0   : Start with version at 1.4.0 (mainly to see a difference with Szeged)
+#           Set hash-value in EVENT-objects. Set location (project), version
+#           and info in send-last-version.
+#           If the customer repository does not exist, then do not check the
+#           ISMAS trigger, but proceed with the update procedure. Otherwise,
+#           check the ISMAS update-trigger as first step.
+#           If the current time is between 0.00 - 4.00 o'clock, then a wrong
+#           trigger-value will result in an UPDATE_STEP_NOT_NECESSARY.
+#           Move final processing to subclass UpdateProcessRunning.
+#           Disable EXIT-button for the whole update-process, except for the
+#           checking of the ISMAS-trigger-button (aka WAIT-button).
+# 1.4.1   : Sync files in the customer repository (under ./etc) as the very
+#           first step
+VERSION="1.4.1"
+# 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
+#       geklont), aber zusaetzlich werden alle verfuegbaren Dateien als neu
+#       angesehen und die entsprechenden Aktionen durchgefuehrt: tariff-files
+#       spiegeln, json-files laden und dc laden. Also VORSICHT: das repository
+#       muss in diesem fall wirklich in ordnung sein.
+#   3:  Wurde keine Datei geaendert, kein initiales Clone und der WAIT-button
+#       nicht aktiv, so (passiert natuerlich nichts) kann man davon ausgehen,
+#       dass es sich um ein automatisches Update handelt. Dann koennte man im
+#       ISMAS eine entsprechende Meldung anzeigen als Teil von SEND-LAST-VERSION.
+#       Wenn der WAIT-button aktiv ist, dann werden zumindest die opkg-commands
+#       ausgefuehrt.
+#   5:  Falls das Tool mal abstuerzt, dann einen Signal-Handler (fuer TERM)
+#       installieren, sodass zumnidest SEND-LAST-VERSION mit rausgeht.
+#   6:  rsync: explizites Binary, nicht das in busybox enthaltene.
+#   7:  Versionen der Json-Files lassen sich auslesen.
+#       Problem: Einstellungen in den Json-Files lassen sich auch mittels
+#       Funktionen in der CD-Library ueberschreiben. Damit ist dann wieder nicht
+#       mehr so klar, was jetzt eigentlich aktiv ist.
+#   8:  m_alwaysDownloadConfig und m_alwaysDownloadDC: vorbereitet: man koennte
+#       es so arrangieren, dass der DC plus die Json-files im Repository immer
+#       runtergeladen werden, obwohl sich im Repository gar nicts veraendert
+#       hat. Eeventuell nuetzlich beim initialen Setuo eines PSA.
+#   9:  Das Kunden-Repository sollte immer gezogen werden, unabhaengig von der
+#       Stellung des WAIT-Button. Grund: es koennte sein, dass andernfalls ein
+#       PSA weit hiter anderen steht, und dann ploetzlich einmal alle vorher-
+#       gehenden Aenderungen anzieht, die gar nicht fuer ihn gemeint waren.
+#  11:  Das Edit-Fenster teilen um die Anzeige zu verbessern.
+#  12:  Bei einem Update muss immer ersichtlich sein, warum es ueberhaupt
+#       angestossen wurde. Steht kein "WAIT" im ISMAS-Trigger, dann kann man
+#       davon ausgehen, dass es sich um ein automatisches Update handelt.
+#       In jedem Fall wird bei einem automatischen Update, bei dem der WAIT-
+#       Button nicht gesetzt war, ein "OK" gesendet, falls sonst nichts weiter
+#       zu tun ist. Beachte aber: wir haben auch noch den Fall, dass eine SD-
+#       Karte gesteckt wird. In diesem Fall wird ein komplettes Update gefahren,
+#       und zwar explizit auch ohne WAIT-Button.
+#       Am Ende eines Updates steht im ISMAS entweder ein "OK" oder ein "FAIL".
+# 13:   SendLastVersion: fuer jedes erfolgreich installierte Paket eine
+#       Send-Last-Version-Nachricht an ISMAS. Dadurch entsteht im ISMAS eine
+#       History (Christian darueber informieren).
+# 14:   Installiert werden nur Dateien, die neu sind oder geaendert wurden.
+#       Nicht etwas Dateien, die geloescht wurden: sicherstellen, dass man hier
+#       immer direkt im repository arbeitet, nicht auf dem Filesystem.
+#       Ferner: der DeviceController heisst dc2c.bin, auch fuer die Jsons
+#       sind Dtandard-Namen vergeben. Alternativ: alle vorhandenen Jsons
+#       werden runtergeladen: Thomas ist eh fuer deren Inhalte verantworlich.
+#       WICHTIG: immer ueberpruefen, ob die Dateien im Customer-Repository
+#       wirklich die richtigen Dateien sind.
+# 15:   Der WAIT-Button laesst sich auf WAIT zuruecksetzen (etwa wenn git
+#       selber Probleme hatte).
+# 16:   Der Download-Thread sollte sowohl die auto-Variable auf false setzen
+#       als auch den cycle-Timer stoppen, damit sichergestellt ist, dass der
+#       Download des DC nicht gestoert wird.
+
+
+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}-$${GIT_COMMIT}"
+
+INCLUDEPATH += plugins
+
+CONFIG += c++17
+# CONFIG -= app_bundle
+
+DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
+DEFINES+=APP_BUILD_DATE=\\\"$$BUILD_DATE\\\"
+DEFINES+=APP_BUILD_TIME=\\\"$$BUILD_TIME\\\"
+DEFINES+=APP_EXTENDED_VERSION=\\\"$$EXTENDED_VERSION\\\"
+
+# keep comments, as /* fall through */
+QMAKE_CXXFLAGS += -C
+QMAKE_CXXFLAGS += -g
+QMAKE_CXXFLAGS += -Wno-deprecated-copy -O
+
+contains( CONFIG, PTU5 ) {
+    greaterThan(QT_MAJOR_VERSION, 4): QT += serialport
+    CONFIG += link_pkgconfig
+    lessThan(QT_MAJOR_VERSION, 5):   PKGCONFIG += qextserialport
+    QMAKE_CXXFLAGS += -O2 -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, PTU5_YOCTO ) {
+    greaterThan(QT_MAJOR_VERSION, 4): QT += serialport
+    QMAKE_CXXFLAGS += -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+    ARCH = PTU5
+    DEFINES+=PTU5
+
+    # add qmqtt lib
+    #LIBS += -lQt5Qmqtt
+}
+contains( CONFIG, DesktopLinux ) {
+    greaterThan(QT_MAJOR_VERSION, 4): QT += serialport
+    lessThan(QT_MAJOR_VERSION, 5):    CONFIG += extserialport
+    # QMAKE_CC = ccache $$QMAKE_CC
+    # QMAKE_CXX = ccache $$QMAKE_CXX
+    QMAKE_CXXFLAGS += -std=c++17
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    linux-clang {  QMAKE_CXXFLAGS += -Qunused-arguments   }
+    ARCH = DesktopLinux
+    DEFINES+=DesktopLinux
+}
+
+SOURCES += \
+        main.cpp \
+        progress_event.cpp \
+        update_dc_event.cpp \
+        mainwindow.cpp \
+        utils.cpp \
+        update.cpp \
+        git/git_client.cpp \
+        ismas/ismas_client.cpp \
+        process/command.cpp \
+        message_handler.cpp \
+        worker.cpp \
+        commandline_parser.cpp
+
+HEADERS += \
+        update.h \
+        progress_event.h \
+        update_dc_event.h \
+        utils.h \
+        mainwindow.h \
+        git/git_client.h \
+        apism/ismas_data.h \
+        ismas/ismas_client.h \
+        process/command.h \
+        message_handler.h \
+        worker.h \
+        interfaces.h \
+        commandline_parser.h \
+        plugins/interfaces.h
+
+OTHER_FILES += \
+    ATBUpdateTool.ini
+
+FORMS += \
+    mainwindow.ui
+
+
+##########################################################################################
+# for running program on target through QtCreator
+contains( CONFIG, PTU5 ) {
+   qnx: target.path = /tmp/$${TARGET}/bin
+   else: unix:!android: target.path = /opt/app/tools/atbupdate/
+   !isEmpty(target.path): INSTALLS += target
+}

UpdatePTUDevCtrl/UpdatePTUDevCtrl.pro

@@ -0,0 +1,315 @@
+QT += core gui
+QT += widgets serialport network
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = ATBUpdateTool
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+# 1.3.6 :   Do not update device-controller/json files, but have the library
+#           (in a later step) do that.
+#           Fixed sending messages to ISMAS.
+#           Always execute contents of opkg_commands-file (even if there are no
+#           changes).
+# 1.3.7 :   Wait forever for git-commands to finish in QProcess executing such
+#           a command.
+# 1.3.8 :   Remove accessing opkg_commands under file-system-path /etc/psa_update.
+#           Activate download of json-configuration files.
+# 1.3.9 :   Fix sendLastVersion: use configured branch and not master branch in
+#               git show origin/master -s --format="c=%h m=%s d=%cI"    ==>
+#               git show origin/zg1/zone1 -s --format="c=%h m=%s d=%cI"
+#           Use dynamic values for os-release and apism-version when sending
+#           last version info.
+# 1.3.10:   Fix premature killing opkg-commands: detected timeout of 100s was
+#           too small when updating apism.
+#           Fix display of UPDATE_SUCCESS when opkg_command fails. Detected when
+#           updating apsim failed.
+# 1.3.11:   Integrate version of ATBUpdateTool in SendLastVersion-ISMAS-message.
+# 1.3.12:   Add command parameters for output of yocto-infos about ATBUpdateTool.
+#           Use 'git pull' instead of 'git fetch'.
+#           Use 'git clone --filter=blob:none' instead of 'git clone' to speed
+#           up cloning of customer repository.
+# 1.3.13:   Fix: if the customer repository is corrupted, remove it and re-clone
+#           the repository (without checking the ISMAS-trigger (WAIT-)button.
+# 1.3.14:   Add additional check for sanity of customer repository using
+#           "git fsck".
+#           Stream-lined code of update process: massive refactoring.
+#           Added functionality: If WAIT button is not active, then an existing
+#           customer repository will be repaired, or a not existing repository
+#           will be cloned. The process stops then.
+#           However, if the WAIT button is active, the at least the commands in
+#           opkg_commands will be executed. Changed files in the customer
+#           repository will be worked on: tariff-files will be synced with the
+#           local filesystem, json-files will be downloaded to firmware.
+#           The device-controller firmware will be handled in a later version.
+# 1.3.15:   Bug fixes found during testing.
+#           Do not disable Exit-button during update-process.
+#           Removed worker-thread with an own event-loop: only the GUI thread
+#           has an event loop. Tested JSON-downloads several times successfully
+#           (using the slave lib where the CA helper tool was active as master).
+#           Turned previous worker-object into its own thread, but without any
+#           own event-loop (so it cannot block anything inside the CA-plugin).
+# 1.3.16:   Bug fixes found during testing.
+# 1.3.17:   Add ATBUpdateTool.ini and custom command line parser. Settings
+#           given in ATBUpdateTool.ini can be overwritten on the command-line.
+# 1.3.18:   Bug fixes found during testing.
+# 1.3.19:   Bug fixes found during testing.
+# 1.3.20:   Bug fixes found during testing.
+# 1.3.21:   Bug fixes found during testing:
+#           Fix directory of ATBUpdateTool.ini to be the working directory of
+#           the application rather than just ".".
+#           Check existance of etc-directory inside customer repository.
+#           Check for valid ISMAS trigger (button) 15x (=90s).
+#           NOTE: if the customer repository is cloned (or repaired and cloned
+#           again), and if the settings always-download-config=true and
+#           always-download-dc=true in the ATBUpdateTool.ini file, the download
+#           the printer-json files and the device controller file, even without
+#           an activated ISMAS trigger (button). The tariff-files are rsynced to
+#           the local filesystem for such clone.
+#           Set new filename for device controller: dc2c.bin.
+# 1.3.22:   Bug fixes found during testing:
+#           Fix the path-names of the json-files and the device-controller.
+#           Set automatic download of json-file in ATBUpdateTool.ini file for
+#           a fresh clone of the repository.
+# 1.3.23:   Added a 'break' to prevent a possible endless loop when checking if
+#           the device is alive.
+#
+# NOTE:     The versioning info has to be shifted up by one version, i.e. what
+#           happened for 1.3.23 was actually done in 1.3.24.
+# 1.3.24
+#
+# 1.3._24_: Special version for szeged using a old dc-controller (4.42):
+#           Changes:
+#               (1) the ini-File now uses the libCAmaster.so.
+# 1.3._25_: Again special version for szeged, using interface.h, version 4.4.
+# 1.4.0   : Start with version at 1.4.0 (mainly to see a difference with Szeged)
+#           Set hash-value in EVENT-objects. Set location (project), version
+#           and info in send-last-version.
+#           If the customer repository does not exist, then do not check the
+#           ISMAS trigger, but proceed with the update procedure. Otherwise,
+#           check the ISMAS update-trigger as first step.
+#           If the current time is between 0.00 - 4.00 o'clock, then a wrong
+#           trigger-value will result in an UPDATE_STEP_NOT_NECESSARY.
+#           Move final processing to subclass UpdateProcessRunning.
+#           Disable EXIT-button for the whole update-process, except for the
+#           checking of the ISMAS-trigger-button (aka WAIT-button).
+# 1.4.1   : Sync files in the customer repository (under ./etc) as the very
+#           first step
+# 1.4.2   : Do not check if <repo_dir>/etc/psa_tariff and /etc/psa_tariff are
+#           the same after an rsync. They might be noy after a change of the
+#           customer-number.
+# 1.4.3   : Use global directory for device-controller interfaces.h-file.
+# 1.4.4   : Add additional debug messages when downloading json-files.
+#           Move rsyncing of the customer-repository after the actual fetching
+#           of the repository. Otherwise, the update of, for instance
+#           tariff-files, would always be a step behind.
+# 1.4.5   : In case a new branch has been created in a remote
+#           customer-repository (e.g. origin/zg1/zone101), then fetch/pull
+#           this branch before switching to this now locally existen branch.
+#         : Improve output of GUI/Console and messages sent to ISMAS.
+#         : Fix: do not send the json-files to dc in any case. Bug introduced
+#           when pulling new branch, but branch already existed locally.
+# 1.4.6   : No exit()-call if loading CA-plugin fails.
+#           Check m_hw (pointer to CA-(Slave)Plugin) before its use.
+#           Only exit() if firmware is configured to be possibly updated, but
+#           loading the CA-plugin failed.
+# 1.4.7   : Read Json-file versions of Json-files actually loaded into DC.
+# 1.4.8   : Improve reading Json-file versions of Json-files actually loaded
+#           in DC. If available, show version info instead of blob-info of
+#           Json file.
+# 1.4.9   : Improve ISMAS output: add messages for JSON downloads.
+#           Do not send CHECK_ISMAS_TRIGGER_SUCCESS to ISMAS for an automatic
+#           update.
+#           In case there is an automatic update (00:00-04:00) use M0100 instead
+#           of U0002.
+# 1.4.10  : Fix: for the time being, never set the autoRequest-flag to false.
+# 1.4.11  : Fix: remove hard-coded path to git-repos of gitea in mimbach. Read
+#           from ATBUpdateTool.ini the url for the gitrepositories.
+# 1.5.0   : Use ptu-config.atb-comm.de (given in ini-file) as new server for
+#           customer repositories.
+#           Fix: allow empty lines in opkg_commands.
+# 1.5.1   : Fix: do not use cleanPath() on a url-address.
+# 1.5.2   : Remove .ipk and .gz files in /var/cache/opkg.
+# 1.5.3   : Build customer_(id) name without right justification.
+# 1.5.4   : Try to run opkg-commands even under some error conditions (failure
+#           of customerEnvironment(), filesToUpdate() or
+#           syncCustomerRepositoryAndFS().
+# 1.5.5   : Call into binary ptuPackageVersion to get installed package
+#           versions.
+# 1.5.6   : Show additional update progress info in status bar.
+# 1.5.7   : Add support for dynamic portrait / landscape.
+# 1.5.8   : Use EVENT_ID=<pid of update-tool> for CMD_EVENT.
+VERSION="1.5.8"
+# 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
+#       geklont), aber zusaetzlich werden alle verfuegbaren Dateien als neu
+#       angesehen und die entsprechenden Aktionen durchgefuehrt: tariff-files
+#       spiegeln, json-files laden und dc laden. Also VORSICHT: das repository
+#       muss in diesem fall wirklich in ordnung sein.
+#   3:  Wurde keine Datei geaendert, kein initiales Clone und der WAIT-button
+#       nicht aktiv, so (passiert natuerlich nichts) kann man davon ausgehen,
+#       dass es sich um ein automatisches Update handelt. Dann koennte man im
+#       ISMAS eine entsprechende Meldung anzeigen als Teil von SEND-LAST-VERSION.
+#       Wenn der WAIT-button aktiv ist, dann werden zumindest die opkg-commands
+#       ausgefuehrt.
+#   5:  Falls das Tool mal abstuerzt, dann einen Signal-Handler (fuer TERM)
+#       installieren, sodass zumnidest SEND-LAST-VERSION mit rausgeht.
+#   6:  rsync: explizites Binary, nicht das in busybox enthaltene.
+#   7:  Versionen der Json-Files lassen sich auslesen.
+#       Problem: Einstellungen in den Json-Files lassen sich auch mittels
+#       Funktionen in der CD-Library ueberschreiben. Damit ist dann wieder nicht
+#       mehr so klar, was jetzt eigentlich aktiv ist.
+#   8:  m_alwaysDownloadConfig und m_alwaysDownloadDC: vorbereitet: man koennte
+#       es so arrangieren, dass der DC plus die Json-files im Repository immer
+#       runtergeladen werden, obwohl sich im Repository gar nicts veraendert
+#       hat. Eeventuell nuetzlich beim initialen Setuo eines PSA.
+#   9:  Das Kunden-Repository sollte immer gezogen werden, unabhaengig von der
+#       Stellung des WAIT-Button. Grund: es koennte sein, dass andernfalls ein
+#       PSA weit hiter anderen steht, und dann ploetzlich einmal alle vorher-
+#       gehenden Aenderungen anzieht, die gar nicht fuer ihn gemeint waren.
+#  11:  Das Edit-Fenster teilen um die Anzeige zu verbessern.
+#  12:  Bei einem Update muss immer ersichtlich sein, warum es ueberhaupt
+#       angestossen wurde. Steht kein "WAIT" im ISMAS-Trigger, dann kann man
+#       davon ausgehen, dass es sich um ein automatisches Update handelt.
+#       In jedem Fall wird bei einem automatischen Update, bei dem der WAIT-
+#       Button nicht gesetzt war, ein "OK" gesendet, falls sonst nichts weiter
+#       zu tun ist. Beachte aber: wir haben auch noch den Fall, dass eine SD-
+#       Karte gesteckt wird. In diesem Fall wird ein komplettes Update gefahren,
+#       und zwar explizit auch ohne WAIT-Button.
+#       Am Ende eines Updates steht im ISMAS entweder ein "OK" oder ein "FAIL".
+# 13:   SendLastVersion: fuer jedes erfolgreich installierte Paket eine
+#       Send-Last-Version-Nachricht an ISMAS. Dadurch entsteht im ISMAS eine
+#       History (Christian darueber informieren).
+# 14:   Installiert werden nur Dateien, die neu sind oder geaendert wurden.
+#       Nicht etwas Dateien, die geloescht wurden: sicherstellen, dass man hier
+#       immer direkt im repository arbeitet, nicht auf dem Filesystem.
+#       Ferner: der DeviceController heisst dc2c.bin, auch fuer die Jsons
+#       sind Dtandard-Namen vergeben. Alternativ: alle vorhandenen Jsons
+#       werden runtergeladen: Thomas ist eh fuer deren Inhalte verantworlich.
+#       WICHTIG: immer ueberpruefen, ob die Dateien im Customer-Repository
+#       wirklich die richtigen Dateien sind.
+# 15:   Der WAIT-Button laesst sich auf WAIT zuruecksetzen (etwa wenn git
+#       selber Probleme hatte).
+# 16:   Der Download-Thread sollte sowohl die auto-Variable auf false setzen
+#       als auch den cycle-Timer stoppen, damit sichergestellt ist, dass der
+#       Download des DC nicht gestoert wird.
+
+
+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}-$${GIT_COMMIT}"
+
+INCLUDEPATH += plugins
+
+CONFIG += c++17
+# CONFIG -= app_bundle
+
+DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
+DEFINES+=APP_BUILD_DATE=\\\"$$BUILD_DATE\\\"
+DEFINES+=APP_BUILD_TIME=\\\"$$BUILD_TIME\\\"
+DEFINES+=APP_EXTENDED_VERSION=\\\"$$EXTENDED_VERSION\\\"
+
+# keep comments, as /* fall through */
+QMAKE_CXXFLAGS += -C
+QMAKE_CXXFLAGS += -g
+QMAKE_CXXFLAGS += -Wno-deprecated-copy -O
+
+contains( CONFIG, PTU5 ) {
+    greaterThan(QT_MAJOR_VERSION, 4): QT += serialport
+    CONFIG += link_pkgconfig
+    lessThan(QT_MAJOR_VERSION, 5):   PKGCONFIG += qextserialport
+    QMAKE_CXXFLAGS += -O2 -std=c++17   # for GCC >= 4.7
+
+    PTU5BASEPATH = /opt/devel/ptu5
+
+    INCLUDEPATH += $$PTU5BASEPATH/qt/libs/devicecontroller/include
+    LIBS += -L$$PTU5BASEPATH/qt/libs/devicecontroller/library
+
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    ARCH = PTU5
+    DEFINES+=PTU5
+}
+contains( CONFIG, PTU5_YOCTO ) {
+    greaterThan(QT_MAJOR_VERSION, 4): QT += serialport
+    QMAKE_CXXFLAGS += -std=c++17   # for GCC >= 4.7
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    PTU5BASEPATH = /opt/devel/ptu5
+    ARCH = PTU5
+    DEFINES+=PTU5
+
+    LIBS += -lCAslave
+    LIBS += -lCAmaster
+}
+contains( CONFIG, DesktopLinux ) {
+    greaterThan(QT_MAJOR_VERSION, 4): QT += serialport
+    lessThan(QT_MAJOR_VERSION, 5):    CONFIG += extserialport
+    # QMAKE_CC = ccache $$QMAKE_CC
+    # QMAKE_CXX = ccache $$QMAKE_CXX
+    QMAKE_CXXFLAGS += -std=c++17
+    # QMAKE_CXXFLAGS += -Wno-deprecated-copy
+    linux-clang {  QMAKE_CXXFLAGS += -Qunused-arguments   }
+    ARCH = DesktopLinux
+    DEFINES+=DesktopLinux
+}
+
+SOURCES += \
+        main.cpp \
+        progress_event.cpp \
+        update_dc_event.cpp \
+        mainwindow.cpp \
+        utils.cpp \
+        update.cpp \
+        git/git_client.cpp \
+        ismas/ismas_client.cpp \
+        process/command.cpp \
+        message_handler.cpp \
+        worker.cpp \
+        commandline_parser.cpp
+
+HEADERS += \
+        update.h \
+        progress_event.h \
+        update_dc_event.h \
+        utils.h \
+        mainwindow.h \
+        git/git_client.h \
+        apism/ismas_data.h \
+        ismas/ismas_client.h \
+        process/command.h \
+        message_handler.h \
+        worker.h \
+        commandline_parser.h
+
+OTHER_FILES += \
+    ATBUpdateTool.ini
+
+FORMS += \
+    mainwindow.ui
+
+
+##########################################################################################
+# for running program on target through QtCreator
+contains( CONFIG, PTU5 ) {
+   qnx: target.path = /tmp/$${TARGET}/bin
+   else: unix:!android: target.path = /opt/app/tools/atbupdate/
+   !isEmpty(target.path): INSTALLS += target
+}

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UpdatePTUDevCtrl/allgemein.txt

@@ -0,0 +1,126 @@
+0:
+    Zunaechst wir immer nachgesehen, ob das Repository bereits geklont wurde.
+    Wenn nein, dann wird geklont. Im Master-Branch befinden sich Dateinen, die
+    in allen anderen Branches gemeinsam genutzt werden. Das sollte wohl auf
+    jeden Fall fuer den DeviceController gelten.
+1:
+    Anfrage bei ISMAS ob neue Daten da sind. Hier faengt die ganze Sache an.
+    Da man nicht weiss, on ISMAS ueberhaupt antworten wird braucht es einen
+    Timer. Man kann die Sache dann auch gleich mehrfach versuchen.
+
+    Die Anfrage geht also per Signal an den Apism-Client. Im Signal wird der
+    Zustand mitgegeben:
+
+        ISMAS_UPDATE_REQUEST_PENDING
+
+    und im Slot dann entsprechend uebernommen. Der Timer sollte nicht im Worker
+    stehen, sondern im Apism-Client. Der Worker sollte damit nicht belastet
+    sein. Der wird dann vom Apism-Client entsprechend benachrichtigt.
+
+        ISMAS_UPDATE_REQUEST_FAILURE
+            ISMAS_UPDATE_REQUEST_TIMEOUT
+        ISMAS_UPDATE_REQUEST_SUCCESS
+
+    Im 1./2.Fall wird dann ein Fehlerhandling durchgefuehrt. Insbesondere
+    wird Apism ueber den DB-Kanal darueber informiert (U0003). Am Ende wie
+    dann wie immer SendCmdVersion und beenden der Applikation.
+
+    Im Erfolgsfall muss in der Antwort der Branch enthalten sein, fuer den das
+    Update durchgefuhrt werden soll. Das ist auch bereits so (Location).
+
+    Ein Sonderfall waere der -m-Modus, da hier niemand auf der ISMAS-Seite
+    aktiv eingreift. Hier braucht es dann einen Ubergabeparameter an 
+    ATBUpdateTool: --branch-name
+
+    Normalfall ist aber die Aktivierung via ISMAS. Dann muss der in der Antwort
+    enthaltene Branch zunaechst ausgecheckt werden.
+2: 
+    Dazu wird ein entsprechendes Signal an den GitClient gesandet.
+        
+        GIT_CHECKOUT_BRANCH_REQUEST
+
+    Der GitClient sieht jetzt erstmal nach, ob es diesen Branch ueberhaupt
+    gibt.
+
+        Falls nein:    
+
+        GIT_CHECKOUT_BRANCH_REQUEST_FAILURE
+            BRANCH_NOT_EXIST
+ 
+        Falls ja:
+            der GitClient versucht nun den Branch auszuchecken. 
+            Geht das gut?
+            Falls nein:
+
+                GIT_CHECKOUT_BRANCH_REQUEST_FAILURE
+                    BRANCH_CHECKOUT_ERROR
+
+            Falls ja:
+                GIT_CHECKOUT_BRANCH_REQUEST_SUCCESS
+                    -> eventl. koennte man den Namen des Branches mitgeben
+
+
+        Signal an den Worker. Im entsprechenden Slot wird jetzt der eigentliche
+        UpdateProzess angeworfen.
+ 3:
+    Mittels git fetch werden jetzt die Aenderungen ermittelt.
+
+        GIT_FETCH_UPDATES_REQUEST
+        
+        GIT_FETCH_UPDATES_REQUEST_FAILURE
+            -> Worker informieren damit Fehlerbehandlung aktiviert wird
+        GIT_FETCH_UPDATES_REQUEST_SUCCESS
+
+        GIT_DIFF_UPDATES
+
+        Die Liste der geaenderten Dateien geht an den Worker. Der kann jetzt
+        noch Test machen, ob das Sinn macht. Evtl. eine Statusmeldung ausgeben
+        drueber was gleich passieren wird.
+4:
+    Mittels git merge/pull werden nun die Dateien tatsaechlich im Branch 
+    aktualisiert.
+
+        GIT_PULL_UPDATES_REQUEST
+        GIT_PULL_UPDATES_REQUEST_FAILURE
+            -> Worker informieren damit Fehlerbehandlung aktiviert wird
+        GIT_PULL_UPDATES_REQUEST_SUCCESS
+            -> Worker informieren
+
+    Sind die Daten vorhanden, dann werden sie mittels rsync ins Dateisystem
+    kopiert.
+
+        RSYNC_UPDATES 
+        RSYNC_UPDATES_FAILURE
+        RSYNC_UPDATES_SUCCESS
+
+    Fuer jede kopierte Datei geht eine Nachricht raus ans ISMAS.
+5:
+    Sind die Daten dann kopiert, so werden sie auf den DC kopiert (falls
+    notwendig): hier gehen dann wieder Nachrichten an ISMAS raus:
+
+        DC_UPDATE 
+        DC_UPDATE_FAILURE
+        DC_UPDATE_SUCCESS
+
+        JSON_UPDATE
+        JSON_UPDATE_FAILURE
+        JSON_UPDATE_SUCCESS
+        
+        Hier fuer jedes Json-File.
+
+    Schliesslich noch eine Zusammenfasung an ISMAS:
+
+        ISMAS_UPDATE_INFO_CONFIRM
+        ISMAS_UPDATE_INFO_CONFIRM_FAILURE
+            -> Worker informieren damit Fehlerbehandlung aktiviert wird
+        ISMAS_UPDATE_INFO_CONFIRM_SUCCESS
+
+    und schliesslich der abschliessende Status an ISMAS zurueckgemeldet:
+
+        ISMAS_CURRENT_PSA_STATUS_CONFIRM
+        ISMAS_CURRENT_PSA_STATUS_CONFIRM_FAILURE
+        ISMAS_CURRENT_PSA_STATUS_CONFIRM_SUCCESS
+
+    
+
+

UpdatePTUDevCtrl/apism/ismas_data.h

@@ -0,0 +1,137 @@
+#ifndef ISMASDATA_H
+#define ISMASDATA_H
+
+#include <QJsonObject>
+#include <QJsonArray>
+
+
+
+
+namespace ISMAS {
+
+    struct TransferData : public QJsonObject {
+        struct : public QJsonObject {
+            QJsonValue tariffId;
+            QJsonValue group;
+            QJsonValue zone;
+        } device;
+
+        struct : public QJsonObject {
+            QJsonValue state;
+            QJsonValue uid;
+            QJsonValue seq_tick_number;
+            QJsonValue timestamp;
+            QJsonValue userText;
+            QJsonValue userTextType;
+        } transaction;
+
+        struct : public QJsonObject {
+            // TODO: check what is really used at the moment
+            QJsonValue id;          // unique article id
+            QJsonValue name;        // name
+            QJsonValue price;       // price in cent
+            QJsonValue currency;    //
+            QJsonValue startTime;   // start time
+            QJsonValue endTime;     // end time
+            QJsonValue userText;    // additional info
+            QJsonValue parkingTime;
+            QJsonValue printText;
+            // QJsonValue discount;
+        } item;
+
+        struct : public QJsonObject {
+            struct : public QJsonObject {
+                QJsonValue coins;     // total amount of coins value
+                // QJsonValue notes;     // total amount of notes value
+                QJsonValue overpaid;  // in cent
+                QJsonValue currency;
+                QJsonValue change;
+            } cash;
+
+            struct : public QJsonObject {
+                QJsonValue cardNumber;
+                QJsonValue value;           // buchungsbetrag
+                QJsonValue cardType;
+                QJsonValue currency;
+                QJsonValue tid;
+                QJsonValue tresult;
+            } card;
+
+            struct : public QJsonObject {
+                QJsonValue cardNumber;
+                QJsonValue cardType;
+                QJsonValue value;
+                QJsonValue valueOld;
+                QJsonValue valueNew;
+                QJsonValue time;
+                QJsonValue timeOld;
+                QJsonValue timeNew;
+            } prePaidCard;
+        } payment;
+
+        struct : public QJsonObject {
+            QJsonValue delivery;    // PRINT, OnlineTicket
+            QJsonValue result;      // SUCCESS, ERROR
+            QJsonValue errorCode;   // 0=OK, 1=...
+            QJsonValue errorMsg;
+        } result;
+    };
+
+
+    struct AccountData : public QJsonObject {
+        struct : public QJsonObject {
+            QJsonValue UID;
+            QJsonValue ChangeNumber;
+            QJsonValue Process;         // Vorgang
+            QJsonValue startDateTime;
+            QJsonValue endDateTime;
+            QJsonValue startHash;
+            QJsonValue endHash;
+
+            struct : public QJsonObject {
+                QJsonValue value;          // coin value
+                QJsonValue numberOfCoins;  // number of coins
+                QJsonValue currency;
+            } coin;
+
+        } coinBox;                  // Münzkasse
+    };
+
+
+    struct EventData : public QJsonObject {
+        struct : public QJsonObject {
+            QJsonValue eventID;
+            QJsonValue deviceName;
+            QJsonValue reason;
+            QJsonValue event;
+            QJsonValue eventState;
+            QJsonValue timeStamp;
+            QJsonValue parameter;
+            QJsonValue secondLevelInfo;
+        } machineEvent;                  //
+    };
+
+    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,
+        START,
+        STOP,
+        PING,
+        SELF,
+        ISMAS_PARAMETER
+    };
+}
+
+
+
+#endif // ISMASDATA_H

UpdatePTUDevCtrl/commandline_parser.cpp

@@ -0,0 +1,302 @@
+#include "commandline_parser.h"
+
+#include <QDir>
+#include <QSettings>
+#include <QDebug>
+#include <QFile>
+
+CommandLineParser::CommandLineParser()
+  : m_repositoryUrl("https://git.mimbach49.de/GerhardHoffmann")
+  , m_plugInDir("/usr/lib/")
+  , m_plugInName("libCAslave.so")
+  , m_workingDir("/opt/app/tools/atbupdate/")
+  , m_dryRun("false")
+  , m_noUpdatePsaHardware("false")
+  , m_showYoctoVersion("false")
+  , m_showYoctoInstallStatus("false")
+  , m_showExtendedVersion("false")
+  , m_iniFileName("ATBUpdateTool.ini")
+  , m_alwaysDownloadConfig("false")
+  , m_alwaysDownloadDC("false")
+  , m_repositoryUrlOption(
+        QCommandLineOption(
+            QStringList() << "repository-url" << "repository-url",
+            QCoreApplication::translate("main", "Where to find a customer repository."),
+            QCoreApplication::translate("main", "directory")))
+  , m_iniFileDirectoryOption(
+        QCommandLineOption(
+            QStringList() << "ini-directory" << "ini-directory",
+            QCoreApplication::translate("main", "Where to find an ini-file."),
+            QCoreApplication::translate("main", "directory")))
+  , m_iniFileNameOption(
+        QCommandLineOption(
+            QStringList() << "ini-filename" << "ini-filename",
+            QCoreApplication::translate("main", "Name of ini-file."),
+            QCoreApplication::translate("main", "file")))
+  , m_pluginDirectoryOption(
+        QCommandLineOption(
+            QStringList() << "plugin-directory" << "plugin-directory",
+            QCoreApplication::translate("main", "Where to find dc-plugin."),
+            QCoreApplication::translate("main", "directory")))
+  , m_pluginNameOption(
+        QCommandLineOption(
+            QStringList() << "plugin-name" << "plugin-name",
+            QCoreApplication::translate("main", "Name of dc-plugin."),
+            QCoreApplication::translate("main", "directory")))
+  , m_noDownloadOption(
+        QCommandLineOption(
+            "no-psa-hardware-update",
+            QCoreApplication::translate("main", "Do not update the PSA firmware (json, device-controller).")))
+  , m_alwaysDownloadConfigOption(
+        QCommandLineOption(
+            "always-download-config",
+            QCoreApplication::translate("main", "Always download the (json-)configs to DC).")))
+  , m_alwaysDownloadDCOption(
+        QCommandLineOption(
+            "always-download-dc",
+            QCoreApplication::translate("main", "Always download the dc-bin-file to DC).")))
+  , m_workingDirectoryOption(
+        QCommandLineOption(
+            QStringList() << "working-directory" << "working-directory",
+            QCoreApplication::translate("main", "working directory of update-script."),
+            QCoreApplication::translate("main", "directory")))
+  , m_psaConfigDirectoryOption(
+        QCommandLineOption(
+            QStringList() << "psa-config-directory" << "psa-config-directory",
+            QCoreApplication::translate("main", "config directory of json-files sent to dc."),
+            QCoreApplication::translate("main", "directory")))
+  , m_psaTariffDirectoryOption(
+        QCommandLineOption(
+            QStringList() << "psa-tariff-directory" << "psa-tariff-directory",
+            QCoreApplication::translate("main", "tariff directory of tariff-json-files."),
+            QCoreApplication::translate("main", "directory")))
+  , m_dryRunOption(
+        QCommandLineOption(
+            QStringList() << "d" << "dry-run",
+            QCoreApplication::translate("main", "Start ATBUpdateTool in dry-run-mode. No actual actions.")))
+  , m_extendedVersionOption(
+        QCommandLineOption(
+            QStringList() << "V" << "extended-version",
+            QCoreApplication::translate("main", "Show extended version (including last git commit).")))
+  , m_yoctoVersionOption(
+        QCommandLineOption(
+            QStringList() << "y" << "yocto-version",
+            QCoreApplication::translate("main", "Show yocto version of ATBUpdateTool.")))
+  , m_yoctoInstallStatusOption(
+        QCommandLineOption(
+            QStringList() << "Y" << "yocto-install",
+            QCoreApplication::translate("main", "Show yocto install status of ATBUpdateTool."))) {
+    configure();
+}
+
+void CommandLineParser::configure() {
+    m_parser.setApplicationDescription("Download tool for downloading device controller firmware, printer json-files and executing opkg-commands.");
+    m_parser.addHelpOption();
+    m_parser.addVersionOption();
+
+    m_repositoryUrlOption.setDefaultValue("https://git.mimbach49.de/GerhardHoffmann");
+    m_parser.addOption(m_repositoryUrlOption);
+
+    m_iniFileDirectoryOption.setDefaultValue(QCoreApplication::applicationDirPath());
+    m_parser.addOption(m_iniFileDirectoryOption);
+
+    m_iniFileNameOption.setDefaultValue("ATBUpdateTool.ini");
+    m_parser.addOption(m_iniFileNameOption);
+
+    m_pluginDirectoryOption.setDefaultValue("/usr/lib/");
+    m_parser.addOption(m_pluginDirectoryOption);
+
+    m_pluginNameOption.setDefaultValue("libCAslave.so");
+    m_parser.addOption(m_pluginNameOption);
+
+    m_alwaysDownloadConfigOption.setDefaultValue("false");
+    m_parser.addOption(m_alwaysDownloadConfigOption);
+
+    m_alwaysDownloadDCOption.setDefaultValue("false");
+    m_parser.addOption(m_alwaysDownloadDCOption);
+
+    m_noDownloadOption.setDefaultValue("false");
+    m_parser.addOption(m_noDownloadOption);
+
+    m_workingDirectoryOption.setDefaultValue("/opt/app/tools/atbupdate/");
+    m_parser.addOption(m_workingDirectoryOption);
+
+    m_psaConfigDirectoryOption.setDefaultValue("etc/psa_config/");
+    m_parser.addOption(m_psaConfigDirectoryOption);
+
+    m_psaTariffDirectoryOption.setDefaultValue("etc/psa_tariff/");
+    m_parser.addOption(m_psaTariffDirectoryOption);
+
+    m_dryRunOption.setDefaultValue("false");
+    m_parser.addOption(m_dryRunOption);
+
+    m_extendedVersionOption.setDefaultValue("false");
+    m_parser.addOption(m_extendedVersionOption);
+
+    m_yoctoVersionOption.setDefaultValue("false");
+    m_parser.addOption(m_yoctoVersionOption);
+
+    m_yoctoInstallStatusOption.setDefaultValue("false");
+    m_parser.addOption(m_yoctoInstallStatusOption);
+}
+
+void CommandLineParser::readSettings() {
+    QString const iniFileDir = m_parser.value(m_iniFileDirectoryOption);
+    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;
+
+    if (!m_iniFileName.isEmpty()) {
+        if (QFile(m_iniFileName).exists()) {
+            QSettings settings(m_iniFileName, QSettings::IniFormat);
+            QStringList keys = settings.allKeys();
+            for (QString const &key: keys) {
+                QVariant v = settings.value(key);
+
+                qCritical() << __PRETTY_FUNCTION__
+                            << key << " -> " << v.toString();
+
+                if (key.contains("repository-url")) {
+                    m_repositoryUrl = v.toString();
+                } else
+                if (key.contains("plugin-directory")) {
+                    m_plugInDir = v.toString();
+                } else
+                if (key.contains("working-directory")) {
+                    m_workingDir = v.toString();
+                } else
+                if (key.contains("psa-config-directory")) {
+                    m_psaConfigDir = v.toString();
+                } else
+                if (key.contains("psa-tariff-directory")) {
+                    m_psaTariffDir = v.toString();
+                } else
+                if (key.contains("dry-run")) {
+                    m_dryRun = (v.toBool() ? "true" : "false");
+                } else
+                if (key.contains("extended-version")) {
+                    m_showExtendedVersion = (v.toBool() ? "true" : "false");
+                } else
+                if (key.contains("no-psa-hardware-update")) {
+                    m_noUpdatePsaHardware = (v.toBool() ? "true" : "false");
+                } else
+                if (key.contains("always-download-config")) {
+                    m_alwaysDownloadConfig = (v.toBool() ? "true" : "false");
+                } else
+                if (key.contains("always-download-dc")) {
+                    m_alwaysDownloadDC = (v.toBool() ? "true" : "false");
+                } else
+                if (key.contains("yocto-install")) {
+                    m_showYoctoInstallStatus = (v.toBool() ? "true" : "false");
+                } else
+                if (key.contains("yocto-version")) {
+                    m_showYoctoVersion = (v.toBool() ? "true" : "false");
+                } else
+                if (key.contains("plugin-name")) {
+                    m_plugInName = v.toString();
+                } else {
+                    qCritical() << __PRETTY_FUNCTION__
+                                << key << " -> (UNKNOWN) " << v.toString();
+                }
+            }
+        } else {
+            qCritical() << __PRETTY_FUNCTION__ << "iniFileName" << m_iniFileName
+                        << "DOES NOT EXIST";
+        }
+    }
+}
+
+QString CommandLineParser::repositoryUrl() {
+    if (m_parser.isSet(m_repositoryUrlOption)) {
+        m_repositoryUrl = m_parser.value(m_repositoryUrlOption);
+    }
+    return m_repositoryUrl;
+}
+
+QString CommandLineParser::plugInDir() {
+    if (m_parser.isSet(m_pluginDirectoryOption)) {
+        m_plugInDir = m_parser.value(m_pluginDirectoryOption);
+    }
+    return m_plugInDir;
+}
+
+QString CommandLineParser::plugInName() {
+    if (m_parser.isSet(m_pluginNameOption)) {
+        m_plugInName = m_parser.value(m_pluginNameOption);
+    }
+    return m_plugInName;
+}
+
+QString CommandLineParser::psaConfigDir() {
+    if (m_parser.isSet(m_psaConfigDirectoryOption)) {
+        m_psaConfigDir = m_parser.value(m_psaConfigDirectoryOption);
+    }
+    return m_psaConfigDir;
+}
+
+QString CommandLineParser::psaTariffDir() {
+    if (m_parser.isSet(m_psaTariffDirectoryOption)) {
+        m_psaTariffDir = m_parser.value(m_psaTariffDirectoryOption);
+    }
+    return m_psaTariffDir;
+}
+
+QString CommandLineParser::workingDir() {
+    if (m_parser.isSet(m_workingDirectoryOption)) {
+        m_workingDir = m_parser.value(m_workingDirectoryOption);
+    }
+    return m_workingDir;
+}
+
+bool CommandLineParser::dryRun() {
+    if (m_parser.isSet(m_dryRunOption)) {
+        m_dryRun = m_parser.value(m_dryRunOption);
+    }
+    return m_dryRun == "false" ? false : true;
+}
+
+bool CommandLineParser::noUpdatePsaHardware() {
+    if (m_parser.isSet(m_noDownloadOption)) {
+        m_noUpdatePsaHardware = m_parser.value(m_noDownloadOption);
+    }
+    return m_noUpdatePsaHardware == "false" ? false : true;
+}
+
+bool CommandLineParser::yoctoVersion() {
+    if (m_parser.isSet(m_yoctoVersionOption)) {
+        m_showYoctoVersion = m_parser.value(m_yoctoVersionOption);
+    }
+    return m_showYoctoVersion == "false" ? false : true;
+}
+
+bool CommandLineParser::yoctoInstallStatus() {
+    if (m_parser.isSet(m_yoctoInstallStatusOption)) {
+        m_showYoctoInstallStatus = m_parser.value(m_yoctoInstallStatusOption);
+    }
+    return m_showYoctoInstallStatus == "false" ? false : true;
+}
+
+bool CommandLineParser::extendedVersion() {
+    if (m_parser.isSet(m_extendedVersionOption)) {
+        m_showExtendedVersion = m_parser.value(m_extendedVersionOption);
+    }
+    return m_showExtendedVersion == "false" ? false : true;
+}
+
+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_alwaysDownloadConfig" << m_alwaysDownloadConfig;
+    return m_alwaysDownloadConfig == "false" ? false : true;
+}
+
+bool CommandLineParser::alwaysDownloadDC() {
+    if (m_parser.isSet(m_alwaysDownloadDCOption)) {
+        m_alwaysDownloadDC = m_parser.value(m_alwaysDownloadDCOption);
+    }
+    return m_alwaysDownloadDC == "false" ? false : true;
+}

UpdatePTUDevCtrl/commandline_parser.h

@@ -0,0 +1,69 @@
+#ifndef COMMAND_LINE_PARSER_H_INCLUDED
+#define COMMAND_LINE_PARSER_H_INCLUDED
+
+#include <QCoreApplication>
+#include <QCommandLineParser>
+#include <QCommandLineOption>
+#include <QString>
+
+class CommandLineParser : public QCommandLineParser {
+    QString m_repositoryUrl;
+    QString m_plugInDir;
+    QString m_plugInName;
+    QString m_workingDir;
+    QString m_psaConfigDir;
+    QString m_psaTariffDir;
+    QString m_dryRun;
+    QString m_noUpdatePsaHardware;
+    QString m_showYoctoVersion;
+    QString m_showYoctoInstallStatus;
+    QString m_showExtendedVersion;
+    QString m_iniFileName;
+    QString m_alwaysDownloadConfig;
+    QString m_alwaysDownloadDC;
+
+    QCommandLineOption m_repositoryUrlOption;
+    QCommandLineOption m_iniFileDirectoryOption;
+    QCommandLineOption m_iniFileNameOption;
+    QCommandLineOption m_pluginDirectoryOption;
+    QCommandLineOption m_pluginNameOption;
+    QCommandLineOption m_noDownloadOption;
+    QCommandLineOption m_alwaysDownloadConfigOption;
+    QCommandLineOption m_alwaysDownloadDCOption;
+    QCommandLineOption m_workingDirectoryOption;
+    QCommandLineOption m_psaConfigDirectoryOption;
+    QCommandLineOption m_psaTariffDirectoryOption;
+    QCommandLineOption m_dryRunOption;
+    QCommandLineOption m_extendedVersionOption;
+    QCommandLineOption m_yoctoVersionOption;
+    QCommandLineOption m_yoctoInstallStatusOption;
+
+    QCommandLineParser m_parser;
+
+    void configure();
+
+public:
+
+    explicit CommandLineParser();
+    ~CommandLineParser() = default;
+
+    QCommandLineParser &parser() { return m_parser; }
+    QCommandLineParser const &parser() const { return m_parser; }
+    void process(const QCoreApplication &app) { m_parser.process(app); }
+    QString const &iniFileName() const { return m_iniFileName; }
+    void readSettings();
+    QString repositoryUrl();
+    QString plugInDir();
+    QString plugInName();
+    QString workingDir();
+    QString psaConfigDir();
+    QString psaTariffDir();
+    bool dryRun();
+    bool noUpdatePsaHardware();
+    bool yoctoVersion();
+    bool yoctoInstallStatus();
+    bool extendedVersion();
+    bool alwaysDownloadConfig();
+    bool alwaysDownloadDC();
+};
+#endif // COMMAND_LINE_PARSER_H_INCLUDED

UpdatePTUDevCtrl/doc/ATBUpdateTool.drawio

@@ -0,0 +1,230 @@
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+  <diagram id="C5RBs43oDa-KdzZeNtuy" name="Page-1">
+    <mxGraphModel dx="1042" dy="633" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="827" pageHeight="1169" math="0" shadow="0">
+      <root>
+        <mxCell id="WIyWlLk6GJQsqaUBKTNV-0" />
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+          <mxGeometry x="350" y="10" width="120" height="40" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-82" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" edge="1" parent="WIyWlLk6GJQsqaUBKTNV-1" source="WIyWlLk6GJQsqaUBKTNV-6">
+          <mxGeometry relative="1" as="geometry">
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+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-72" value="&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&amp;nbsp;&amp;nbsp; Checkout branch&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;" style="shape=step;perimeter=stepPerimeter;fixedSize=1;points=[];whiteSpace=wrap;html=1;" vertex="1" parent="KwNStDcgQ-FNAQaH3l0E-106">
+          <mxGeometry width="130" height="57" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-73" value="&lt;div&gt;Update files&lt;/div&gt;&lt;div&gt;(Json, DeviceController)&lt;br&gt;&lt;/div&gt;" style="shape=step;perimeter=stepPerimeter;fixedSize=1;points=[];whiteSpace=wrap;html=1;" vertex="1" parent="KwNStDcgQ-FNAQaH3l0E-106">
+          <mxGeometry x="350" width="194" height="57" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-74" value="&lt;div&gt;Compute files &lt;br&gt;&lt;/div&gt;&lt;div&gt;to update&lt;br&gt;&lt;/div&gt;" style="shape=step;perimeter=stepPerimeter;fixedSize=1;points=[];whiteSpace=wrap;html=1;" vertex="1" parent="KwNStDcgQ-FNAQaH3l0E-106">
+          <mxGeometry x="110" width="140" height="57" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-75" value="&lt;div&gt;(R)Sync with local&lt;/div&gt;&lt;div&gt;filesystem&lt;br&gt;&lt;/div&gt;" style="shape=step;perimeter=stepPerimeter;fixedSize=1;points=[];whiteSpace=wrap;html=1;" vertex="1" parent="KwNStDcgQ-FNAQaH3l0E-106">
+          <mxGeometry x="520" width="170" height="57" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-105" value="&lt;div&gt;Exec&lt;/div&gt;&lt;div&gt;opkg-commands&lt;/div&gt;" style="shape=step;perimeter=stepPerimeter;fixedSize=1;points=[];whiteSpace=wrap;html=1;" vertex="1" parent="KwNStDcgQ-FNAQaH3l0E-106">
+          <mxGeometry x="230" width="140" height="57" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-107" value="" style="shape=waypoint;sketch=0;fillStyle=solid;size=6;pointerEvents=1;points=[];fillColor=none;resizable=0;rotatable=0;perimeter=centerPerimeter;snapToPoint=1;" vertex="1" parent="WIyWlLk6GJQsqaUBKTNV-1">
+          <mxGeometry x="750" y="415" width="20" height="20" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-109" value="&lt;div&gt;Yes&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;" style="text;strokeColor=none;align=center;fillColor=none;html=1;verticalAlign=middle;whiteSpace=wrap;rounded=0;" vertex="1" parent="WIyWlLk6GJQsqaUBKTNV-1">
+          <mxGeometry x="690" y="415" width="60" height="20" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-120" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;entryX=0.5;entryY=1;entryDx=0;entryDy=0;entryPerimeter=0;" edge="1" parent="WIyWlLk6GJQsqaUBKTNV-1" source="KwNStDcgQ-FNAQaH3l0E-110" target="KwNStDcgQ-FNAQaH3l0E-97">
+          <mxGeometry relative="1" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-110" value="" style="shape=waypoint;sketch=0;fillStyle=solid;size=6;pointerEvents=1;points=[];fillColor=none;resizable=0;rotatable=0;perimeter=centerPerimeter;snapToPoint=1;" vertex="1" parent="WIyWlLk6GJQsqaUBKTNV-1">
+          <mxGeometry x="625" y="180" width="20" height="20" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-129" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;entryX=0.95;entryY=0.95;entryDx=0;entryDy=0;entryPerimeter=0;" edge="1" parent="WIyWlLk6GJQsqaUBKTNV-1" source="KwNStDcgQ-FNAQaH3l0E-92" target="KwNStDcgQ-FNAQaH3l0E-110">
+          <mxGeometry relative="1" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-135" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" edge="1" parent="WIyWlLk6GJQsqaUBKTNV-1" source="KwNStDcgQ-FNAQaH3l0E-130" target="KwNStDcgQ-FNAQaH3l0E-96">
+          <mxGeometry relative="1" as="geometry" />
+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-130" value="&lt;div&gt;Send Last Version&lt;/div&gt;" style="rounded=1;whiteSpace=wrap;html=1;fontSize=12;glass=0;strokeWidth=1;shadow=0;points=[[0,0,0,0,0],[0,0.25,0,0,0],[0,0.5,0,0,0],[0,0.75,0,0,0],[0,1,0,0,0],[0.25,0,0,0,0],[0.25,1,0,0,0],[0.5,0,0,0,0],[0.5,1,0,0,0],[0.75,0,0,0,0],[0.75,1,0,0,0],[1,0,0,0,0],[1,0.25,0,0,0],[1,0.5,0,0,0],[1,0.75,0,0,0],[1,1,0,0,0]];" vertex="1" parent="WIyWlLk6GJQsqaUBKTNV-1">
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+        </mxCell>
+        <mxCell id="KwNStDcgQ-FNAQaH3l0E-131" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;entryX=0.5;entryY=1;entryDx=0;entryDy=0;entryPerimeter=0;" edge="1" parent="WIyWlLk6GJQsqaUBKTNV-1" source="KwNStDcgQ-FNAQaH3l0E-107" target="KwNStDcgQ-FNAQaH3l0E-130">
+          <mxGeometry relative="1" as="geometry" />
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+</mxfile>

UpdatePTUDevCtrl/doc/update_ptu.tex

@@ -0,0 +1,172 @@
+\documentclass[12pt]{article}
+\usepackage{euler}
+\usepackage[english]{babel}
+\usepackage{lipsum}
+\usepackage{multirow}
+\usepackage[colorlinks=true, urlcolor=blue, linkcolor=red]{hyperref}
+\newcounter{Chapcounter}
+\newcommand\showmycounter{\addtocounter{Chapcounter}{1}\themycounter}
+\newcommand{\chapter}[1] 
+{{\centering          
+  \addtocounter{Chapcounter}{1} \Large \underline{\textbf{ \color{blue} Chapter \theChapcounter: ~#1}} }   
+  \addcontentsline{toc}{section}{ \color{blue} Chapter:~\theChapcounter~~ #1}    
+}
+\hypersetup{colorlinks=true}
+\hypersetup{linkcolor=black}
+
+\title{Update PTU}
+\author{Gerhard Hoffmann}
+\date{\today}
+
+\begin{document}
+\maketitle
+% \chapter{Introduction}
+\section{Motivation}
+
+The two main components of a PSA are
+\begin{itemize}
+    \item PTU software.
+    \item Device controller (DC) firmware.
+\end{itemize}
+
+While the DC firmware is basically the same for each PSA (even for different
+customers), the PTU software is highly dependent on customer requirements.\par
+Hence, each customer is assigned an own git-repository, which will be loaded
+("cloned") on the PSA when configuring the machine for the first time.\par
+Two special tools, the {\bf UpdateController} (a \href{https://doc.qt.io/qt-5/}{Qt}
+binary [{\bf \nameref{UpdateTool}}]) and the {\bf UpdateScript}
+(a \href{https://www.gnu.org/software/bash/manual/bash.html}{bash}
+script [{\bf \nameref{UpdateScript}}]), work together to finish a PSA installation.\par 
+    
+\section{PSA: Initial configuration}
+
+For the initial configuration, a PSA loads a customer-specific git-repository,
+which structure is detailed below [{\bf \nameref{repostructure}}].\par
+The "git clone" for the repository is done by the UpdateScript [{\bf \nameref{UpdateScript}}].
+It updates the file
+\begin{center}
+    \fbox{
+        /opt/app/tools/atbupdate/update\_log.csv
+    }
+\end{center}
+which will be interpreted by the UpdateController [{\bf \nameref{UpdateTool}}].
+The structure of [{\bf \nameref{updatelogcsv}}] is detailed below.\par
+Each line of update\_log.csv represents a command for the UpdateController,
+which will either download certain files to the DC or execute some
+\href{https://openwrt.org/docs/guide-user/additional-software/opkg}{opkg}
+commands [{\bf \nameref{opkg}}].
+        
+\section{PSA: Update}
+   
+The update of a PSA is basically managed by \href{https://git-scm.com/}{git}, a
+free and open source distributed version control system. Like many other Version
+Control Systems, git has a way to fire off custom scripts when certain important
+actions occur, so-called \href{https://git-scm.com/book/en/v2/Customizing-Git-Git-Hooks}{hooks}.
+The hooks used for a PSA update are called {\bf post-checkout} and {\bf post-merge}.\par
+The post-checkout hook is called when checking out some branch of the customer-repository
+(for instance when cloning the customer repository for the first time). In contrast,
+the post-merge hook is called when a \href{https://www.git-scm.com/docs/git-pull}{git pull}
+operation has been issued (more precisely, a \href {https://www.git-scm.com/docs/git-fetch}{git-fetch}
+followed by a \href{https://www.git-scm.com/docs/git-merge}{git-merge}).\par
+Both hooks update the file [{\bf \nameref{updatelogcsv}}], which is interpreted
+by the UpdateController in a second step.
+    
+% \chapter{Update-Tool "up\_dev\_ctrl"}
+    \section{up\_dev\_ctrl}
+    \label{UpdateTool}
+
+        The update-tool is a Qt binary ("up\_dev\_ctrl") and called by the
+        system-controller application. It is installed under
+        \begin{center}
+            \fbox{
+                /opt/app/tools/atbupdate/up\_dev\_ctrl
+            }
+        \end{center}
+
+        and has two responsibilities:
+        \begin{itemize}
+            \item Call update-script "update\_psa".
+            \item Update the device controller firmware.
+        \end{itemize}
+    \subsection{Calling the update-script "update\_psa"}
+        The update-script "update\_psa" is about executing all git-commands
+        necessary to clone and pull a customer repository.
+
+    \newpage
+
+% \chapter{Update-Script "update\_psa"}
+    \section{update\_psa}
+    \label{UpdateScript}
+
+    Inside of such a
+        repository, there are at least the following directories:
+        \begin{itemize}
+           \item {\bf etc} 
+           \item {\bf etc/dc}\newline 
+                Contains the device controller firmware as binary file.
+           \item {\bf etc/psa\_config}\newline
+                Contains the printer template files (JSON).
+           \item {\bf etc/psa\_tariff}\newline
+                Contains the tariff files (JSON).
+           \item {\bf etc/psa\_update}\newline
+                Contains a single file for opkg-commands.
+        \end{itemize}
+    \newpage
+
+%\chapter{Annex}
+    \section{Structure of a customer git-repository}
+    \label{repostructure}
+    \subsection{The post-checkout hook}
+TODO: checkout\_history
+    \subsection{The post-merge hook}
+They are both located under the {\bf .githooks}-directory
+    
+\section{update\_log.csv}
+\label{updatelogcsv}
+    \begin{table}[h!]
+        \begin{center}
+        \caption{Initial state of update\_log.csv}
+        \label{tab:initial_state}
+        \begin{tabular}{llll}
+            \textbf{Request} & \textbf{Name} & \textbf{Date} & \textbf{Status}\\
+            \hline
+            \multicolumn{4}{c}{}\\
+            DOWNLOAD & /etc/dc/dc2c4.21.bin                & 2023-05-01T12:00:00 & N/A\\
+            DOWNLOAD & /etc/psa\_config/DC2C\_print01.json & 2023-05-01T12:00:00 & N/A\\
+            DOWNLOAD & /etc/psa\_config/DC2C\_print02.json & 2023-05-01T12:00:00 & N/A\\
+            DOWNLOAD & /etc/psa\_config/DC2C\_print03.json & 2023-05-01T12:00:00 & N/A\\
+            DOWNLOAD & /etc/psa\_config/DC2C\_print04.json & 2023-05-01T12:00:00 & N/A\\
+            DOWNLOAD & /etc/psa\_config/DC2C\_print29.json & 2023-05-01T12:00:00 & N/A\\
+            DOWNLOAD & /etc/psa\_config/DC2C\_print32.json & 2023-05-01T12:00:00 & N/A\\
+            EXECUTE  & opkg update                         & 2023-05-01T12:00:00 & N/A\\
+        \end{tabular}
+        \end{center}
+    \end{table}    
+
+    \begin{table}[h!]
+        \begin{center}
+        \caption{State of update\_log.csv after updating}
+        \label{tab:initial_state}
+        \begin{tabular}{llll}
+            \textbf{Request} & \textbf{Name} & \textbf{Date} & \textbf{Status}\\
+            \hline
+            \multicolumn{4}{c}{}\\
+            DONE & /etc/dc/dc2c4.21.bin                & 2023-05-01T12:00:00 & N/A\\
+            DONE & /etc/psa\_config/DC2C\_print01.json & 2023-05-01T12:00:00 & N/A\\
+            DONE & /etc/psa\_config/DC2C\_print02.json & 2023-05-01T12:00:00 & N/A\\
+            DONE & /etc/psa\_config/DC2C\_print03.json & 2023-05-01T12:00:00 & N/A\\
+            DONE & /etc/psa\_config/DC2C\_print04.json & 2023-05-01T12:00:00 & N/A\\
+            DONE & /etc/psa\_config/DC2C\_print29.json & 2023-05-01T12:00:00 & N/A\\
+            DONE & /etc/psa\_config/DC2C\_print32.json & 2023-05-01T12:00:00 & N/A\\
+            DONE & opkg update                         & 2023-05-01T12:00:00 & N/A\\
+        \end{tabular}
+        \end{center}
+    \end{table}    
+
+    \newpage
+    
+    \section{The package manager "opkg"}
+    \label{opkg}
+
+    \section{Known problems}
+\end{document}

UpdatePTUDevCtrl/git/git_client.cpp

@@ -0,0 +1,594 @@
+#include "git_client.h"
+#include "update.h"
+#include "worker.h"
+#include "utils.h"
+
+#include <QRegularExpression>
+#include <QDebug>
+#include <QDir>
+#include <QStringList>
+
+
+GitClient::GitClient(QString const &customerRepositoryPath,
+                     QString const &customerNrStr,
+                     QString const &customerRepository,
+                     QString const &workingDirectory,
+                     QString const &branchName,
+                     QObject *parent)
+  : QObject(parent)
+  , m_worker(qobject_cast<Worker *>(parent))
+  , m_repositoryPath(customerRepositoryPath)
+  , m_customerNr(customerNrStr)
+  , m_workingDirectory(workingDirectory)
+  , m_branchName(branchName)
+  , m_customerRepository(customerRepository) {
+    if (!m_worker) {
+        qCritical() << "ERROR CASTING PARENT TO WORKER FAILED";
+    }
+}
+
+bool GitClient::gitCloneCustomerRepository() {
+    /*  Blobless clone
+        ==============
+
+        When using the --filter=blob:none option, the initial git clone will
+        download all reachable commits and trees, and only download the blobs
+        for commits when you do a git checkout. This includes the first checkout
+        inside the git clone operation.
+
+        The important thing to notice is that we have a copy of every blob at
+        HEAD but the blobs in the history are not present. If your repository
+        has a deep history full of large blobs, then this option can
+        significantly reduce your git clone times. The commit and tree data is
+        still present, so any subsequent git checkout only needs to download
+        the missing blobs. The Git client knows how to batch these requests to
+        ask the server only for the missing blobs.
+
+        Further, when running git fetch in a blobless clone, the server only
+        sends the new commits and trees. The new blobs are downloaded only
+        after a git checkout. Note that git pull runs git fetch and then git
+        merge, so it will download the necessary blobs during the git merge
+        command.
+
+        When using a blobless clone, you will trigger a blob download whenever
+        you need the contents of a file, but you will not need one if you only
+        need the OID (object-id) of a file. This means that git log can detect
+        which commits changed a given path without needing to download extra
+        data.
+
+        This means that blobless clones can perform commands like git
+        merge-base, git log, or even git log -- <path> with the same performance
+        as a full clone.
+
+        Commands like git diff or git blame <path> require the contents of the
+        paths to compute diffs, so these will trigger blob downloads the first
+        time they are run. However, the good news is that after that you will
+        have those blobs in your repository and do not need to download them a
+        second time. Most developers only need to run git blame on a small
+        number of files, so this tradeoff of a slightly slower git blame command
+        is worth the faster clone and fetch times.
+
+        Note: git v2.18 does not support treeless clones: --filter=tree:0.
+     */
+
+    // Note: for some reason it is necessary to pass "--progress ---v",
+    // otherwise QProcess returns an error of 128 = 0x80 for the command.
+
+    QString gitCommand("git clone --progress -vvv --filter=blob:none ");
+    gitCommand += m_repositoryPath;
+    Command c(gitCommand);
+
+    qInfo() << "IN CURRENT WD" << m_workingDirectory
+            << "CLONE VIA COMMAND" << gitCommand;
+
+    if (c.execute(m_workingDirectory)) { // execute the command in wd
+        QString const result = c.getCommandResult();
+        if (!result.isEmpty()) {
+            // Cloning into 'customer_281'...\n
+            int customer = -1;
+            int cloning = result.indexOf("Cloning", 0, Qt::CaseInsensitive);
+            if (cloning != -1) {
+                customer = result.indexOf("customer_", cloning, Qt::CaseInsensitive);
+                if (customer != -1) {
+                    QString customerNr = result.mid(customer);
+                    static constexpr char const ch = '\'';
+                    int i = customerNr.indexOf(QChar(ch));
+                    if (i != -1) {
+                        if ((customerNr = customerNr.mid(0, i)) == m_customerNr) {
+                            qInfo() << "CLONING" << m_repositoryPath << "OK";
+                            return true;
+                        }
+                        Utils::printCriticalErrorMsg(
+                            QString("ERROR CLONE RESULT HAS WRONG CUSTOMER-NR. (%1 != %2) CLONE_RESULT=%3")
+                                .arg(customerNr)
+                                .arg(m_customerNr)
+                                .arg(result));
+                        return false;
+                    }
+                }
+            }
+            Utils::printCriticalErrorMsg(
+                QString("ERROR CLONE RESULT HAS WRONG FORMAT. CLONING=%1 CUSTOMER=%2 CLONE_RESULT=%3")
+                    .arg(cloning)
+                    .arg(customer)
+                    .arg(result));
+            return false;
+        }
+        Utils::printCriticalErrorMsg("ERROR CLONE RESULT IS EMPTY");
+    }
+    return false;
+}
+
+bool GitClient::copyGitConfigFromMaster() { // only allowed when called in
+                                            // master branch (???)
+    if (QDir(m_customerRepository).exists()) {
+        QString const cp = QString("cp .gitconfig .git/config");
+        Command c("bash");
+        if (c.execute(m_customerRepository, QStringList() << "-c" << cp)) {
+            qInfo() << "cp .gitconfig .git/config OK";
+            return true;
+        }
+        qCritical() << "ERROR cp .gitconfig .git/config";
+    }
+    return false;
+}
+
+QStringList GitClient::gitBranchNames() {
+    // git config --global pager.branch false
+    QStringList bNames;
+    if (QDir(m_customerRepository).exists()) {
+        QString gitCommand("git branch -a");
+        Command c(gitCommand);
+        if (c.execute(m_customerRepository)) {
+            QString const result = c.getCommandResult();
+            return result.split('\n');
+        }
+    }
+    return bNames;
+}
+
+bool GitClient::gitCheckoutBranch() {
+    // TODO: nachsehen, ob der Branch ueberhaupt existiert
+
+    if (QDir(m_customerRepository).exists()) {
+        int zoneNr = Utils::read1stLineOfFile("/mnt/system_data/zone_nr");
+        m_branchName = (zoneNr != 0)
+            ? QString("zg1/zone%1").arg(zoneNr) : "master";
+
+        QString gitCommand("git checkout ");
+        gitCommand += m_branchName;
+
+        Command c(gitCommand);
+        return c.execute(m_customerRepository); // execute command in customerRepo
+    }
+    Utils::printCriticalErrorMsg(QString("ERROR ") + m_customerRepository + " DOES NOT EXIST");
+    return false;
+}
+
+bool GitClient::gitCloneAndCheckoutBranch() {
+    qInfo() << "CLONE" << m_repositoryPath << "AND CHECKOUT" << m_branchName;
+    if (gitCloneCustomerRepository()) {
+        //if (copyGitConfigFromMaster()) {
+            if (gitCheckoutBranch()) {
+                return true;
+            } else {
+                // TODO
+            }
+        //}
+    }
+    Utils::printCriticalErrorMsg(QString("CLONE ") + m_repositoryPath + " AND CHECKOUT FAILED");
+    return false;
+}
+
+QStringList GitClient::gitShowReason(QString branchName) {
+    QStringList lst;
+    if (QDir(m_customerRepository).exists()) {
+        // %h: commit (short form)
+        // %s: commit message
+        // %cI: commit date, strict ISO 8601 format
+        // Note: branch with branchName has to exist: format zg1/zone1
+        Command c(QString("git show origin/%1 -s --format=\"c=%h m=%s d=%cI\"").arg(branchName));
+        if (c.execute(m_customerRepository)) {
+            QString const s = c.getCommandResult().trimmed();
+            int const c = s.indexOf("c=");
+            int const m = s.indexOf("m=");
+            int const d = s.indexOf("d=");
+
+            QString msg{""}; // IsmasClient::getReasonForLastSendVersion();
+            QString commit{""}, date{""};
+
+            if (c != -1) {
+                int start = c + 2;
+                if (m >= start) {
+                    int length = m - start;
+                    commit = s.mid(start, length).trimmed();
+
+                    start = m + 2;
+                    if (d >= start) {
+                        length = d - start;
+                        // msg = " (";
+                        msg = s.mid(start, length).trimmed();
+                        // msg += ")";
+
+                        start = d + 2;
+                        date = s.mid(start);
+                    }
+                }
+
+                if (!commit.isEmpty() && !msg.isEmpty() && !date.isEmpty()) {
+                    lst << commit << msg << date;
+                }
+            }
+        }
+    } else {
+        qCritical() << "CUSTOMER_REPOSITORY" << m_customerRepository
+                    << "DOES NOT EXIST";
+    }
+    return lst;
+}
+
+/*
+ Zu beachten: wird eine datei neu hinzugefuegt (git add/commit) dann aber gleich
+ wieder geloscht, so wird sie im diff nicht angezeigt.
+ */
+std::optional<QStringList> GitClient::gitDiff(QString const &commits) {
+    if (QDir(m_customerRepository).exists()) {
+        // 409f198..6c22726
+        QString gitCommand("git diff --compact-summary ");
+        gitCommand += commits;
+
+        Command c(gitCommand);
+        if (c.execute(m_customerRepository)) { // execute command in local customerRepo
+            QString s = c.getCommandResult().trimmed();
+            Utils::printInfoMsg("GIT DIFF RESULT " + s);
+
+            QStringList lines = Update::split(s, '\n');
+            QStringList fileNames;
+            // each line has the format "etc/psa_config/DC2C_print01.json | 1 +
+            // or the format            "etc/psa_config/DC2C_print01.json (new) | 1 +
+            // the filenames are relativ to the repository
+            for (int i = 0; i < lines.size(); ++i) {
+                QString const &line = lines.at(i);
+                int newIndex = line.indexOf("(new");    // for new files
+                int goneIndex = line.indexOf("(gone");  // for removed files
+                int modeIndex = line.indexOf("(mode");
+                int pipeIndex = line.indexOf('|');
+                if (newIndex != -1) {
+                    QString file = line.left(newIndex).trimmed();
+                    qInfo() << "FILE (NEW)" << file;
+                    fileNames << file;
+                } else
+                if (modeIndex != -1) {
+                    QString const file = line.left(modeIndex).trimmed();
+                    qInfo() << "FILE (MODE)" << file;
+                    fileNames << file;
+                } else
+                if (goneIndex != -1) {
+                    QString const file = line.left(goneIndex).trimmed();
+                    qCritical() << "FILE (GONE)" << file;
+                } else
+                if (pipeIndex != -1) {
+                    QString const file = line.left(pipeIndex).trimmed();
+                    qInfo() << "FILE (PIPE)" << file;
+                    fileNames << file;
+                }
+            }
+            if (!fileNames.isEmpty()) {
+                return fileNames;
+            }
+        }
+    }
+    return std::nullopt;
+}
+
+bool GitClient::gitFsck() {
+    bool r = false;
+    if (QDir(m_customerRepository).exists()) {
+        Command c("git fsck");
+        if ((r = c.execute(m_customerRepository)) == false) {
+            QString const &s = c.getCommandResult().trimmed();
+            Utils::printCriticalErrorMsg(QString("GIT FSCK FAILED: %1").arg(s));
+        }
+    }
+    return r;
+}
+
+bool GitClient::branchExistsRemotely() {
+    bool remoteBranchExists = false;
+    if (QDir(m_customerRepository).exists()) {
+        qInfo() << "BRANCH NAME" << m_branchName;
+        QString const cmd = QString("git ls-remote --exit-code --heads origin %1").arg(m_branchName);
+        Command c(cmd);
+        if (c.execute(m_customerRepository)) {
+            // expected result: c16c833c8778c1b3691a74afee5a469177e4e69b refs/heads/zg1/zone1000
+            QString const s = c.getCommandResult().trimmed();
+
+
+            if (!s.isEmpty()) {
+                // the result is only one line
+                if ((remoteBranchExists = s.contains(m_branchName)) == true) {
+                    qCritical() << "(" << __func__ << ":" << __LINE__ << ") branch"
+                                << m_branchName << "EXISTS REMOTELY. (" << s << ")";
+                }
+            } else {
+                Utils::printCriticalErrorMsg(QString("EMPTY RESULT FOR CMD %1").arg(cmd));
+            }
+        } else {
+            Utils::printCriticalErrorMsg(QString("FAILED TO EXEC '%1'").arg(cmd));
+        }
+    }
+    return remoteBranchExists;
+}
+
+bool GitClient::branchExistsLocally() {
+    Command c("git branch -l");
+    if (c.execute(m_customerRepository)) {
+        QString const s = c.getCommandResult().trimmed();
+        if (!s.isEmpty()) {
+            QStringList lines = Update::split(s, '\n');
+            if (!lines.empty()) {
+                for (int i=0; i < lines.size(); ++i) {
+                    QString line = lines.at(i);
+                    // expected: * [new branch]      zg1/zone12 -> origin/zg1/zone12"
+                    if (line.contains(m_branchName)) {
+                        if (m_worker) {
+                            QStringList lst(QString("BRANCH-NAME %1 CONTAINED IN RESULT %2").arg(m_branchName).arg(s));
+                            m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH;
+                        }
+                        return true;
+                    }
+                }
+
+                if (m_worker) {
+                    QStringList lst(QString("BRANCH-NAME %1 NOT CONTAINED IN RESULT %2").arg(m_branchName).arg(s));
+                    m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH_FAILURE;
+                }
+
+            } else {
+                if (m_worker) {
+                    QStringList lst(QString("'git branch -l' RETURNED NO LINES"));
+                    m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH_FAILURE;
+                }
+            }
+        } else {
+            if (m_worker) {
+                QStringList lst(QString("'git branch -l' RETURNED EMPTY RESULT"));
+                m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH_FAILURE;
+            }
+        }
+    } else {
+        if (m_worker) {
+            QStringList lst(QString("FAILED TO EXEC 'git branch -l'"));
+            m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH_FAILURE;
+        }
+    }
+
+    return false;
+}
+
+bool GitClient::gitPullNewBranches() {
+
+    if (QDir(m_customerRepository).exists()) {
+        Command c("git pull");
+        if (c.execute(m_customerRepository)) {
+            QString const s = c.getCommandResult().trimmed();
+            // expected: Already up-to-date.
+            if (!s.isEmpty()) {
+                QStringList lst;
+                QString msg(QString("GIT-PULL-NEW-BRANCH. RESULT=%1").arg(s));
+                if (m_worker) {
+                    m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::PULL_NEW_BRANCH;
+                }
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+/*
+ Hat sich nichts geaendert, so werden auch keine Commits <>..<> angezeigt
+ */
+std::optional<QString> GitClient::gitPull() {
+    if (QDir(m_customerRepository).exists()) {
+        qInfo() << "BRANCH NAME" << m_branchName;
+
+#if 0
+        IMPORTANT COMMENT:
+
+        If remote host keys are changed, then
+
+        export GIT_SSH_COMMAND="ssh -i /opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig"
+        git pull
+
+        leads to the following warning/error message:
+
+        @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+        @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
+        @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+        IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
+        Someone could be eavesdropping on you right now (man-in-the-middle attack)!
+        It is also possible that a host key has just been changed.
+        The fingerprint for the ECDSA key sent by the remote host is
+        SHA256:vOD5jF2hglGktqLhK9ABxfEjwEgIK68/v9erdT05NDQ.
+        Please contact your system administrator.
+        Add correct host key in /home/root/.ssh/known_hosts to get rid of this message.
+        Offending ECDSA key in /home/root/.ssh/known_hosts:1
+        Password authentication is disabled to avoid man-in-the-middle attacks.
+        Keyboard-interactive authentication is disabled to avoid man-in-the-middle attacks.
+        Agent forwarding is disabled to avoid man-in-the-middle attacks.
+        X11 forwarding is disabled to avoid man-in-the-middle attacks.
+        Already up to date.
+
+        This first part is from ssh itself. Only the last line is the git message.
+
+        Here an output of running ATBUpdateTool with a corrupted known-hosts-file:
+
+        ...
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: ( branchExistsRemotely : 310 ) branch "zg1/zone1" EXISTS REMOTELY. ( "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r\n@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @\r\n@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r\nIT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!\r\nSomeone could be eavesdropping on you right now (man-in-the-middle attack)!\r\nIt is also possible that a host key has just been changed.\r\nThe fingerprint for the ECDSA key sent by the remote host is\nSHA256:vOD5jF2hglGktqLhK9ABxfEjwEgIK68/v9erdT05NDQ.\r\nPlease contact your system administrator.\r\nAdd correct host key in /home/root/.ssh/known_hosts to get rid of this message.\r\nOffending ECDSA key in /home/root/.ssh/known_hosts:1\r\nPassword authentication is disabled to avoid man-in-the-middle attacks.\r\nKeyboard-interactive authentication is disabled to avoid man-in-the-middle attacks.\r\nAgent forwarding is disabled to avoid man-in-the-middle attacks.\r\nX11 forwarding is disabled to avoid man-in-the-middle attacks.\r\nbd4e8da4780b1a7d6be3d3ce8419f43ccf7e706f\trefs/heads/zg1/zone1" )
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: EXECUTED "git branch -l" "(runtime 16ms)" with code 0 IN "/opt/app/tools/atbupdate/customer_336"
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: "UPDATE_STEP::PULL_NEW_BRANCH"
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: "BRANCH-NAME zg1/zone1 CONTAINED IN RESULT master\n* zg1/zone1" .....
+
+        The download continues.
+#endif
+        Command c("git pull");
+        if (c.execute(m_customerRepository)) {
+            QString const s = c.getCommandResult().trimmed();
+            if (!s.isEmpty()) {
+                QStringList lines = Update::split(s, '\n');
+                worker()->CONSOLE(lines) << Worker::UPDATE_STEP::UPDATE_REPOSITORY;
+                if (!lines.empty()) {
+                    static const QRegularExpression alreadyUpToDate("^\\s*Already\\s+up\\s+to\\s+date.*$");
+                    if (std::none_of(lines.cbegin(), lines.cend(),
+                        [](QString const &s) { return s.contains(alreadyUpToDate); })) {
+                        int zoneNr = Utils::read1stLineOfFile("/mnt/system_data/zone_nr");
+                        m_branchName = (zoneNr != 0) ? QString("zg1/zone%1").arg(zoneNr) : "master";
+                        // lines can look like this:
+                        // From https://git.mimbach49.de/GerhardHoffmann/customer_281
+                        //   41ec581..5d25ac3  master     -> origin/master
+                        //   ff10f57..43530a1  zg1/zone1  -> origin/zg1/zone1
+                        //   6ed893f..5d9882c  zg1/zone2  -> origin/zg1/zone2
+                        //   4384d17..77045d8  zg1/zone3  -> origin/zg1/zone3
+                        //   89d2812..36a0d74  zg1/zone5  -> origin/zg1/zone5
+                        //
+                        // More exactly:
+                        // remote: Counting objects: 382, done.
+                        // remote: Compressing objects: 100% (203/203), done.
+                        // remote: Total 278 (delta 177), reused 103 (delta 59)
+                        // Receiving objects: 100% (278/278), 4.89 MiB | 539 KiB/s, done.
+                        // Resolving deltas: 100% (177/177), completed with 40 local objects.
+                        // From ssh://longair@pacific.mpi-cbg.de/srv/git/fiji
+                        // 3036acc..9eb5e40  debian-release-20081030 -> origin/debian-release-20081030
+                        // * [new branch]      debian-release-20081112 -> origin/debian-release-20081112
+                        // * [new branch]      debian-release-20081112.1 -> origin/debian-release-20081112.1
+                        // 3d619e7..6260626  master     -> origin/master
+                        //
+                        // The most important bits here are the lines like these:
+                        //
+                        //     3036acc..9eb5e40  debian-release-20081030 -> origin/debian-release-20081030
+                        //   * [new branch]      debian-release-20081112 -> origin/debian-release-20081112
+                        //
+                        // The first line of these two shows that your remote-tracking branch
+                        // origin/debian-release-20081030 has been advanced from the commit 3036acc to 9eb5e40.
+                        // The bit before the arrow is the name of the branch in the remote repository.
+                        // The second line similarly show that since we last did this, a new remote tracking
+                        // branch has been created. (git fetch may also fetch new tags if they have appeared
+                        // in the remote repository.)
+
+                        bool found = false;
+                        for (int i=0; i < lines.size(); ++i) {
+                            if (lines.at(i).contains(m_branchName)) {
+                                found = true;
+                                // 409f198..6c22726  zg1/zone1  -> origin/zg1/zone1
+                                static QRegularExpression re("(^\\s*)([0-9A-Fa-f]+..[0-9A-Fa-f]+)(.*$)");
+                                QRegularExpressionMatch match = re.match(lines.at(i));
+                                if (match.hasMatch()) {
+                                    if (re.captureCount() == 3) { // start with full match (0), then the other 3 matches
+                                        QString const matchCaptured = match.captured(2);
+                                        worker()->CONSOLE(QStringList(matchCaptured)) << Worker::UPDATE_STEP::UPDATE_REPOSITORY;
+                                        return matchCaptured;
+                                    } else {
+                                        QStringList lst(QString("(wrong capture count (%1)").arg(re.captureCount()));
+                                        worker()->GUI(lst) << (worker()->CONSOLE(lst) << Worker::UPDATE_STEP::UPDATE_REPOSITORY_FAILURE);
+                                    }
+                                } else {
+                                    QStringList lst("no regex-match for commits");
+                                    worker()->GUI(lst) << (worker()->CONSOLE(lst) << Worker::UPDATE_STEP::UPDATE_REPOSITORY_FAILURE);
+                                }
+                            }
+                        }
+                        if (!found) {
+                            QStringList lst(QString("unknown branch name ") + m_branchName);
+                            worker()->GUI(lst) << (worker()->CONSOLE(lst) << Worker::UPDATE_STEP::UPDATE_REPOSITORY_FAILURE);
+                        }
+                    } else {
+                        return "Already up to date";
+                    }
+                } else {
+                    QStringList lst(QString("WRONG FORMAT FOR RESULT OF 'GIT PULL' ") + s);
+                    worker()->GUI(lst) << (worker()->CONSOLE(lst) << Worker::UPDATE_STEP::UPDATE_REPOSITORY_FAILURE);
+                }
+            } else {
+                QStringList lst("EMPTY RESULT FOR 'GIT PULL'");
+                worker()->GUI(lst) << (worker()->CONSOLE(lst) << Worker::UPDATE_STEP::UPDATE_REPOSITORY_FAILURE);
+            }
+        }
+    } else {
+        QStringList lst(QString("REPOSITORY ") + m_customerRepository + " DOES NOT EXIST");
+        worker()->GUI(lst) << (worker()->CONSOLE(lst) << Worker::UPDATE_STEP::UPDATE_REPOSITORY_FAILURE);
+    }
+    return std::nullopt;
+}
+
+std::optional<QStringList> GitClient::gitMerge() {
+    Command c("git merge");
+    if (c.execute(m_workingDirectory)) {
+        QString s = c.getCommandResult();
+        QStringList lst = Update::split(s, '\n');
+        return lst;
+    }
+    return std::nullopt;
+}
+
+QString GitClient::gitLastCommit(QString fileName) {
+    if (QDir(m_customerRepository).exists()) {
+        QString const filePath
+            = QDir::cleanPath(m_customerRepository + QDir::separator() + fileName);
+        if (QFile(filePath).exists()) {
+            QString const gitCommand = QString("git log %1 | head -n 1").arg(fileName);
+            Command c("bash");
+            if (c.execute(m_customerRepository, QStringList() << "-c" << gitCommand)) {
+                QString const r = c.getCommandResult();
+                int const idx = r.indexOf("commit ");
+                if (idx != -1) {
+                    return r.mid(idx + 8).trimmed();
+                }
+            }
+        }
+    }
+    return "";
+}
+
+// fileName has to an absolute path
+QString GitClient::gitBlob(QString fileName) {
+    QFileInfo fi(fileName);
+    if (fi.exists()) {
+        QString const gitCommand = QString("git hash-object %1").arg(fileName);
+        Command c(gitCommand);
+        if (c.execute("/tmp")) {
+            return c.getCommandResult().trimmed();
+        }
+    }
+    return "N/A";
+}
+
+QString GitClient::gitCommitForBlob(QString blob) {
+    if (QDir(m_customerRepository).exists()) {
+        QString const gitCommand
+            = QString("git whatchanged --all --find-object=%1 | head -n 1").arg(blob);
+        Command c(gitCommand);
+        if (c.execute(m_customerRepository)) {
+            return c.getCommandResult();
+        }
+    }
+    return "";
+}
+
+bool GitClient::gitIsFileTracked(QString fName) {
+    if (QDir(m_customerRepository).exists()) {
+        QString const gitCommand
+            = QString("git ls-files --error-unmatch %1").arg(fName);
+        Command c(gitCommand);
+        return c.execute(m_customerRepository);
+    }
+    return false;
+}
+
+
+//get_commit_for_blob () {
+//    # search for the blob in all commits for the file(name) $1
+//    echo $(git log --all --pretty=format:%H -- $2   |
+//           xargs -I{} bash -c "git ls-tree {} -- $2 |
+//           grep -q $1 && echo -n {} && head -n 1")
+//}

UpdatePTUDevCtrl/git/git_client.h

@@ -0,0 +1,67 @@
+#ifndef GIT_CLIENT_H_INCLUDED
+#define GIT_CLIENT_H_INCLUDED
+
+#include <QObject>
+#include <QStringList>
+#include <optional>
+
+#include "process/command.h"
+#include "ismas/ismas_client.h"
+
+class Worker;
+class GitClient : public QObject {
+    Q_OBJECT
+
+    Worker *m_worker;
+    QString const m_repositoryPath;
+    QString const m_customerNr;
+    QString const m_workingDirectory;
+    QString m_branchName;
+    QString const m_customerRepository;
+
+    bool copyGitConfigFromMaster();
+
+  public:
+    explicit GitClient(QString const &customerRepositoryUrl,
+                       QString const &customerNrStr,
+                       QString const &repositoryPath,
+                       QString const &workingDirectory = QCoreApplication::applicationDirPath(),
+                       QString const &branchName = "master",
+                       QObject *parent = 0);
+
+    bool gitCloneCustomerRepository();
+    bool gitCheckoutBranch();
+    QStringList gitBranchNames();
+
+    QString const workingDirectory() const { return m_workingDirectory; }
+    QString workingDirectory() { return m_workingDirectory; }
+
+    QString const branchName() const { return m_branchName; }
+    QString branchName() { return m_branchName; }
+
+    QString repositoryPath() { return m_repositoryPath; }
+    QString const repositoryPath() const { return m_repositoryPath; }
+
+    bool gitCloneAndCheckoutBranch();
+
+    Worker *worker() { return m_worker; }
+    Worker const *worker() const { return m_worker; }
+
+    std::optional<QString> gitPull();
+    std::optional<QStringList> gitDiff(QString const &commit);
+    std::optional<QStringList> gitMerge();
+
+    bool gitFsck();
+
+    QString gitLastCommit(QString fileName);
+    QStringList gitShowReason(QString branchName);
+    static QString gitBlob(QString fileName);
+    QString gitCommitForBlob(QString blob);
+    bool gitIsFileTracked(QString file2name);
+
+    bool branchExistsRemotely();
+    bool branchExistsLocally();
+    bool gitPullNewBranches();
+};
+
+#endif // GIT_CLIENT_H_INCLUDED

UpdatePTUDevCtrl/ismas/ismas_client.h

@@ -0,0 +1,308 @@
+#ifndef ISMAS_CLIENT_H_INCLUDED
+#define ISMAS_CLIENT_H_INCLUDED
+
+#include <QObject>
+#include <QString>
+
+#include <optional>
+
+struct PSAInstalled {
+    struct VersionInfo {
+        QString created;
+        QString reason;
+        QString lastCommit;
+    } versionInfo;
+
+    struct Tariff {
+        // VersionInfo versionInfo;
+        QString name;
+        QString version;
+        QString project;
+        int zone;
+        int size;
+        QString blob;
+        QString lastCommit;
+        QString info;
+        QString loadTime;
+    } tariff;
+
+    struct HardWare {
+        QString linuxVersion;
+        QString cpuSerial;
+    } hw;
+
+    struct Opkg {
+        // VersionInfo versionInfo;
+        int size;
+        QString blob;
+        QString lastCommit;
+        QString loadTime;
+    } opkg;
+
+    struct DC {
+        // VersionInfo versionInfo;
+        QString versionHW;
+        QString versionSW;
+        QString gitBlob;
+        QString gitLastCommit;
+        int size;
+    } dc;
+
+    struct SoftWare {
+        QString apismVersion;
+        QString atbQTVersion;
+        QString atbUpdateToolVersion;
+    } sw;
+
+    struct PluginVersion {
+        QString deviceController;
+        QString ingenicoISelfCC;
+        QString mobilisisCalculatePrice;
+        QString mobilisisCalculatePriceConfigUi;
+        QString prmCalculatePrice;
+        QString prmCalculatePriceConfigUi;
+        QString tcpZVT;
+    } pluginVersion;
+
+    struct DC2C {
+        // VersionInfo versionInfo;
+        QString name;
+        QString blob;
+        int size;
+    };
+
+    DC2C cash;
+    DC2C conf;
+    DC2C device;
+
+    DC2C print[32];
+
+    QString ptuPackageVersion;
+
+    explicit PSAInstalled() {
+        tariff.name = "N/A";
+        tariff.version = "N/A";
+        tariff.project = "N/A";
+        tariff.zone = -1;
+        tariff.size = -1;
+        tariff.blob = "N/A";
+        tariff.info = "N/A";
+        tariff.loadTime = "N/A";
+
+        hw.linuxVersion = "N/A";
+        hw.cpuSerial = "N/A";
+
+        opkg.size = -1;
+        opkg.blob = "N/A";
+        opkg.lastCommit = "N/A";
+        opkg.loadTime = "N/A";
+
+        dc.versionHW = "N/A";
+        dc.versionSW = "N/A";
+        dc.gitBlob = "N/A";
+        dc.gitLastCommit = "N/A";
+        dc.size = -1;
+
+        sw.apismVersion = "N/A";
+        sw.atbQTVersion = "N/A";
+        sw.atbUpdateToolVersion = "N/A";
+
+        pluginVersion.deviceController = "N/A";
+        pluginVersion.ingenicoISelfCC = "N/A";
+        pluginVersion.mobilisisCalculatePrice = "N/A";
+        pluginVersion.mobilisisCalculatePriceConfigUi = "N/A";
+        pluginVersion.prmCalculatePrice = "N/A";
+        pluginVersion.prmCalculatePriceConfigUi = "N/A";
+        pluginVersion.tcpZVT = "N/A";
+
+        cash.name = "N/A";
+        cash.blob = "N/A";
+        cash.size = -1;
+
+        conf.name = "N/A";
+        conf.blob = "N/A";
+        conf.size = -1;
+
+        device.size = -1;
+        device.blob = "N/A";
+        device.size = -1;
+
+        for (int i=0; i < 32; ++i) {
+            print[i].size = -1;
+            print[i].blob = "N/A";
+            print[i].size = -1;
+        }
+    }
+};
+
+class IsmasClient : public QObject {
+    Q_OBJECT
+
+    int m_progressInPercent;
+public:
+    explicit IsmasClient() : m_progressInPercent(1) {}
+
+    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,
+        // cloning git repo. not possible
+        GIT_CLONE_ERROR=4,
+        // pulling from remote git server not possible
+        GIT_PULL_ERROR=5,
+        // fetching from remote git server not possible
+        GIT_FETCH_ERROR=6,
+        // merging fetched data not possible
+        GIT_MERGE_ERROR=7,
+        // check sanity of local customer-repository failed
+        GIT_CHECK_REPOSITORY_ERROR=8,
+        // switch/checkout of branch (i.e. zone) on error
+        GIT_SWITCH_BRANCH_ERROR=9,
+        // fetch/pull of new branch failed. the new branch was not available
+        // when installing via SD-card followed by intial clone during the
+        // update process.
+        GIT_FETCH_NEW_BRANCH_ERROR=10,
+        // error computing git-blob hash-value
+        GIT_HASH_ERROR=11,
+        // update for general json files failed.
+        JSON_FILES_UPDATE_ERROR=12,
+        // error downloading config-json-files to device controller
+        JSON_FILES_DOWNLOAD_ERROR=13,
+        // error downloading device-controller
+        DC_DOWNLOAD_ERROR=14,
+        // error rsyncing json/ini-files to local filesystem
+        RSYN_ERROR=15,
+        // HASH_VALUE_ERROR=14,
+        // HW_COMPATIBILITY_ERROR=15,
+        OPKG_COMMANDS_ERROR=16,
+        // CLEANUP_ERROR=18,
+        UPDATE_IN_ERROR_STATE=99
+    };
+
+    enum REASON {
+        TIME_TRIGGERED = 0,
+        SERVICE,
+        DEV_TEST,
+        ENTRIES
+    };
+
+    static char const *reason[REASON::ENTRIES];
+
+    static std::optional<QString>
+        sendRequestReceiveResponse(int port, QString const &request);
+
+    static QString getReasonForLastSendVersion();
+
+    int getProgressInPercent() const {return m_progressInPercent; }
+    void setProgressInPercent(int procent) { m_progressInPercent = procent; }
+
+    QString updateNewsToIsmas(char const *event,
+                              int percent,
+                              int resultCode,
+                              char const *step,
+                              char const *step_result,
+                              char const *version);
+
+    QString updateOfPSAStarted(QString const &version = QString());   // start of update process
+    QString cloneAndCheckoutCustomerRepository(QString const &info, QString const &version = QString());   // clone and checkout customer repository
+    QString checkoutBranch(QString const &info, QString const &version = QString());   // checkout branch
+    QString errorBackendNotConnected(QString const &info, QString const &version = QString());   // checkout branch
+    QString errorGitClone(QString const &info, QString const &version = QString());
+    QString backendConnected(QString const &info, QString const &version = QString());
+    QString updateTriggerSet(QString const &info, QString const &version = QString());
+    QString errorUpdateTrigger(QString const &info, QString const &version = QString());
+    QString gitFetch(QString const &info, QString const &version = QString());
+    QString execOpkgCommand(QString const &info, QString const &version = QString());
+    QString rsyncFile(QString const &info, QString const &version = QString());
+    QString errorGitFetch(int resultCode, QString const &info, QString const &version = QString());
+    QString updateOfPSAActivated(QString const &version = QString());
+                                    // and update accepted
+    QString updateOfPSASucceeded(QString const &version = QString()); // update process succeeded
+    QString updateOfPSAContinues(QString currentStage, QString currentStageInfo, QString const &version = QString());
+    QString updateOfPSAFailed(int resultCode, QString step, QString reason, QString const &version = QString());
+    QString sanityCheckFailed(int resultCode, QString reason, QString const &version = QString());
+    QString jsonParseFailed(int resultCode, QString reason, QString const &version = QString());
+    std::optional<QString> finalResult(int resultCode, QString reason, QString const &version = QString());
+
+    // legacy
+    QString updateOfPSASendVersion(PSAInstalled const &psa);
+
+#if 0
+    enum class UPDATE_COMPONENT {
+        TARIFF,
+        SOFTWARE_ATBQT,
+        SOFTWARE_APISM,
+        SOFTWARE_ATB_UPDATE_TOOL,
+        CONFIG_PTU5_CPU_SERIAL,
+        CONFIG_DEVICE_CONTROLLER,
+        CONFIG_PRINTER,
+        CONFIG_BNA,
+        PLUGIN_ATB_DEVICE_CONTROLLER,
+        PLUGIN_INGENICO_CC,
+        PLUGIN_MOBILISIS_CALC_PRICE,
+        PLUGIN_MOBILISIS_CALC_PRICE_UI,
+        PLUGIN_PRM_CALC_PRICE,
+        PLUGIN_PRM_CALC_PRICE_UI,
+        PLUGIN_TCP_ZVT_CC,
+        OPKG_COMMANDS,
+        HARDWARE_DEVICES,
+        OS,
+        DC2C_CASH_JSON,
+        DC2C_CONF_JSON,
+        DC2C_DEVICE_JSON,
+        DC2C_PRINT01_JSON,
+        DC2C_PRINT02_JSON,
+        DC2C_PRINT03_JSON,
+        DC2C_PRINT04_JSON,
+        DC2C_PRINT05_JSON,
+        DC2C_PRINT06_JSON,
+        DC2C_PRINT07_JSON,
+        DC2C_PRINT08_JSON,
+        DC2C_PRINT09_JSON,
+        DC2C_PRINT10_JSON,
+        DC2C_PRINT11_JSON,
+        DC2C_PRINT12_JSON,
+        DC2C_PRINT13_JSON,
+        DC2C_PRINT14_JSON,
+        DC2C_PRINT15_JSON,
+        DC2C_PRINT16_JSON,
+        DC2C_PRINT17_JSON,
+        DC2C_PRINT18_JSON,
+        DC2C_PRINT19_JSON,
+        DC2C_PRINT20_JSON,
+        DC2C_PRINT21_JSON,
+        DC2C_PRINT22_JSON,
+        DC2C_PRINT23_JSON,
+        DC2C_PRINT24_JSON,
+        DC2C_PRINT25_JSON,
+        DC2C_PRINT26_JSON,
+        DC2C_PRINT27_JSON,
+        DC2C_PRINT28_JSON,
+        DC2C_PRINT29_JSON,
+        DC2C_PRINT30_JSON,
+        DC2C_PRINT31_JSON,
+        DC2C_PRINT32_JSON,
+    };
+    QString sendLastVersion(UPDATE_COMPONENT comp, PSAInstalled const &psa);
+#endif
+
+  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

UpdatePTUDevCtrl/main.cpp

@@ -0,0 +1,203 @@
+#include <QCoreApplication>
+#include <QApplication>
+#include <QDebug>
+#include <QTimer>
+#include <QFileInfo>
+
+#ifdef __linux__
+#include <stdlib.h> // system()
+#endif
+
+#include "message_handler.h"
+#include <DeviceController/interfaces.h>
+#include "commandline_parser.h"
+
+#include <unistd.h>
+#include <memory>
+#include <QSharedMemory>
+#include <QRunnable>
+#include <QThreadPool>
+#include <QDir>
+#include <QProcess>
+#include <QCommandLineParser>
+#include <QStandardPaths>
+#include <QMainWindow>
+#include <QSettings>
+
+#include "update.h"
+#include "git/git_client.h"
+#include "ismas/ismas_client.h"
+#include "worker_thread.h"
+#include "worker.h"
+#include "mainwindow.h"
+#include "utils.h"
+
+#include <QThread>
+#include <QtWidgets>
+#include <QScopedPointer>
+
+#if defined (Q_OS_UNIX) || defined (Q_OS_LINUX)
+#include <unistd.h>
+#include <errno.h>
+#endif
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+// argv[1]: file to send to dc
+int main(int argc, char *argv[]) {
+    QByteArray const value = qgetenv("LC_ALL");
+    if (value.isEmpty() || value != "C") {
+        qputenv("LC_ALL", "C");
+    }
+
+
+    // qputenv("XDG_RUNTIME_DIR", "/var/run/user/0");
+
+    openlog("ATB-UPDATE", LOG_PERROR | LOG_PID | LOG_CONS, LOG_USER);
+
+    QApplication a(argc, argv);
+    QApplication::setApplicationName("ATBUpdateTool");
+    QApplication::setApplicationVersion(APP_VERSION);
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(nullptr);
+        //atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(LOG_NOTICE);
+    }
+
+    CommandLineParser parser;
+    parser.process(a);
+    parser.readSettings();
+
+    QString repositoryUrl = parser.repositoryUrl();
+
+    if (repositoryUrl.endsWith('/')) {
+        repositoryUrl.chop(1);
+    }
+
+    QString gitSSHCommand("");
+
+    if (repositoryUrl.contains("ptu-config.atb-comm.de")) {
+        QByteArray const v = qgetenv("GIT_SSH_COMMAND");
+        if (v.isEmpty()) {
+            QString sshKeyFile("/opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig");
+            if (QFileInfo(sshKeyFile).exists()) {
+                gitSSHCommand = "ssh -i /opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig";
+                if (!qputenv("GIT_SSH_COMMAND", QByteArray(gitSSHCommand.toStdString().c_str()))) {
+                    qCritical() << "ERROR: GIT_SSH_COMMAND not put into env. Exiting...";
+                    return -1;
+                }
+            } else {
+                qCritical() << "ERROR ssh-key-file" << sshKeyFile << "does not exists. Exiting...";
+                return -1;
+            }
+        } else {
+            gitSSHCommand = QString(v.toStdString().c_str());
+            qCritical() << "WARNING GIT_SSH_COMMAND already set in enviroment:"
+                        << gitSSHCommand;
+            if (gitSSHCommand != "ssh -i /opt/app/tools/atbupdate/.keys/id_ed25519_ptuConfig") {
+                qCritical() << "ERROR" << gitSSHCommand << "wrong. Exiting...";
+                return -1;
+            }
+        }
+    }
+
+    QString plugInDir = parser.plugInDir();
+    QString plugInName = parser.plugInName();
+    QString workingDir = parser.workingDir();
+    QString iniFileName = parser.iniFileName();
+    bool const dryRun = parser.dryRun();
+    bool const noUpdatePsaHardware = parser.noUpdatePsaHardware();
+    bool const showYoctoVersion = parser.yoctoVersion();
+    bool const showYoctoInstallStatus = parser.yoctoInstallStatus();
+    bool const showExtendedVersion = parser.extendedVersion();
+    bool const alwaysDownloadConfig = parser.alwaysDownloadConfig();
+    bool const alwaysDownloadDC = parser.alwaysDownloadDC();
+
+    QString const rtPath = QCoreApplication::applicationDirPath();
+
+    int const machineNr = Utils::read1stLineOfFile("/mnt/system_data/machine_nr");
+    int const customerNr = Utils::read1stLineOfFile("/mnt/system_data/cust_nr");
+    int const zoneNr = Utils::read1stLineOfFile("/mnt/system_data/zone_nr");
+    QString const branchName = (zoneNr != 0)
+            ? QString("zg1/zone%1").arg(zoneNr) : "master";
+
+    qInfo() << "pwd ......................" << rtPath;
+    qInfo() << "repositoryUrl ............" << repositoryUrl;
+    if (!gitSSHCommand.isEmpty()) {
+        qInfo() << "GIT_SSH_COMMAND .........." << gitSSHCommand;
+    }
+    qInfo() << "plugInDir ................" << plugInDir;
+    qInfo() << "plugInName ..............." << plugInName;
+    qInfo() << "workingDir ..............." << workingDir;
+    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 (showExtendedVersion) {
+        printf(APP_EXTENDED_VERSION"\n");
+        return 0;
+    }
+    if (showYoctoVersion) {
+        printf("%s\n", Worker::getATBUpdateToolYoctoVersion().toStdString().c_str());
+        return 0;
+    }
+    if (showYoctoInstallStatus) {
+        printf("%s\n", Worker::getATBUpdateToolYoctoInstallationStatus().toStdString().c_str());
+        return 0;
+    }
+
+
+    QThread::currentThread()->setObjectName("main thread");
+    qInfo() << "Main thread" << QThread::currentThreadId();
+
+
+    if (!QDir(plugInDir).exists()) {
+        qCritical() << plugInDir
+                    << "does not exists, but has to contain dc-library";
+        if (noUpdatePsaHardware == false) {
+            exit(-1);
+        }
+    }
+
+    // before loading the library, delete all possible shared memory segments
+#if defined Q_OS_LINUX || defined Q_OS_UNIX
+    // system("rm -rf /tmp/qipc*");
+#else
+#error "Only tested under UNIX/LINUX"
+#endif
+
+    Worker worker(customerNr,
+                  machineNr,
+                  zoneNr,
+                  repositoryUrl,
+                  branchName,
+                  plugInDir,
+                  plugInName,
+                  workingDir,
+                  noUpdatePsaHardware,
+                  alwaysDownloadConfig,
+                  alwaysDownloadDC,
+                  dryRun);
+
+    MainWindow mw(&worker);
+    worker.setMainWindow(&mw);
+
+    mw.setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
+    mw.showFullScreen();
+
+    return a.exec();
+}

UpdatePTUDevCtrl/main.cpp.bck

@@ -0,0 +1,81 @@
+#include <QCoreApplication>
+#include <QApplication>
+#include <QDebug>
+#include <QTimer>
+#include <QFileInfo>
+
+#include "message_handler.h"
+#include "plugins/interfaces.h"
+
+#include "DCPlugin/include/hwapi.h"
+
+#include <unistd.h>
+#include <thread>
+#include <memory>
+
+static void updateBinary(std::unique_ptr<hwinf> hw,     // update d2dc*.bin
+                         char const *fileToSendToDC,
+                         char const *baudrate,
+                         char const *serialInterface) {
+    for (int i=0; i < 1;++i) {
+        hw->dc_updateDC(fileToSendToDC, baudrate, serialInterface);
+        std::this_thread::sleep_for(std::chrono::milliseconds(3000));
+    }
+    QCoreApplication::quit();
+}
+
+static void updatePrinterConf(std::unique_ptr<hwinf> hw, // update printer-file
+                              char const *fileToSendToDC,
+                              char const *baudrate,
+                              char const *serialInterface) {
+    for (int i=0; i < 1;++i) {
+        hw->dc_updateDC(fileToSendToDC, baudrate, serialInterface);
+        std::this_thread::sleep_for(std::chrono::milliseconds(3000));
+    }
+    QCoreApplication::quit();
+}
+
+int main(int argc, char *argv[]) {
+    QApplication a(argc, argv);
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(QtMsgType::QtDebugMsg);
+        //setDebugLevel(QtMsgType::QtDebugMsg);
+    }
+
+    if (argc > 2) {
+        qCritical() << "Usage: " << argv[0] << "<file to send to dc>";
+        return -1;
+    }
+
+    std::unique_ptr<hwinf> hw(new hwapi());
+    QFileInfo fileInfo(argv[1]);
+    QString fname(fileInfo.fileName());
+    int ret = 0;
+
+    if (fname.startsWith("dc") && fname.endsWith(".bin")) {
+#ifdef PTU5
+        std::thread t(updateBinary, std::move(hw),
+                      fname.toStdString().c_str(), "115200", "ttymxc2");
+#else
+        std::thread t(updateBinary, std::move(hw),
+                      fname.toStdString().c_str(), "115200", "ttyUSB0");
+#endif
+        ret = a.exec();
+        t.join();
+    } else
+    if (fname.startsWith("DC") && fname.endsWith(".json")) {
+#ifdef PTU5
+        std::thread t(updatePrinterConf, std::move(hw),
+                      fname.toStdString().c_str(), "115200", "ttymxc2");
+#else
+        std::thread t(updatePrinterConf, std::move(hw),
+                      fname.toStdString().c_str(), "115200", "ttyUSB0");
+#endif
+        ret = a.exec();
+        t.join();
+    }
+
+    return ret;
+}

UpdatePTUDevCtrl/main.cpp.bck2

@@ -0,0 +1,54 @@
+#include <QCoreApplication>
+#include <QApplication>
+#include <QDebug>
+#include <QTimer>
+#include <QFileInfo>
+
+#include "message_handler.h"
+#include "interfaces.h"
+#include "DCPlugin/include/hwapi.h"
+
+#include <unistd.h>
+#include <thread>
+#include <memory>
+#include <QSharedMemory>
+#include <QRunnable>
+#include <QThreadPool>
+#include <QDir>
+
+#include "update.h"
+#include "worker_thread.h"
+#include "worker.h"
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+// argv[1]: file to send to dc
+int main(int argc, char *argv[]) {
+    QApplication a(argc, argv);
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(QtMsgType::QtDebugMsg);
+        //setDebugLevel(QtMsgType::QtDebugMsg);
+    }
+
+    QByteArray const value = qgetenv("XDG_RUNTIME_DIR");
+    if (value.size() == 0) {
+        qputenv("XDG_RUNTIME_DIR", "/run/user/0");
+    }
+
+    QString const update_ctrl_file = "/opt/app/tools/atbupdate/update_log.csv";
+    QString const workingDir = (argc == 2) ? argv[1] : ".";
+
+    Worker worker(update_ctrl_file, workingDir);
+
+    qCritical() << "starting main event loop";
+    int ret = a.exec();
+    qCritical() << "stopping main event loop" << ret;
+
+    return ret;
+}

UpdatePTUDevCtrl/main.cpp.bck3

@@ -0,0 +1,62 @@
+#include <QCoreApplication>
+#include <QApplication>
+#include <QDebug>
+#include <QTimer>
+#include <QFileInfo>
+
+#include "message_handler.h"
+#include "plugins/interfaces.h"
+
+#include <unistd.h>
+#include <thread>
+#include <memory>
+#include <QSharedMemory>
+#include <QRunnable>
+#include <QThreadPool>
+#include <QDir>
+
+#include "update.h"
+#include "worker_thread.h"
+#include "worker.h"
+
+#include <thread>
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+static void doWork(QString update_ctrl_file, QString workingDir) {
+    std::this_thread::sleep_for(std::chrono::milliseconds(2000));
+    Update update(update_ctrl_file, workingDir);
+    update.doUpdate();
+    std::this_thread::sleep_for(std::chrono::milliseconds(2000));
+    QCoreApplication::quit();
+}
+
+// argv[1]: file to send to dc
+int main(int argc, char *argv[]) {
+    QApplication a(argc, argv);
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(QtMsgType::QtDebugMsg);
+        //setDebugLevel(QtMsgType::QtDebugMsg);
+    }
+
+    QByteArray const value = qgetenv("XDG_RUNTIME_DIR");
+    if (value.size() == 0) {
+        qputenv("XDG_RUNTIME_DIR", "/run/user/0");
+    }
+
+    // QString const update_ctrl_file = "/opt/app/tools/atbupdate/update_log.csv";
+    // QString const workingDir = (argc == 2) ? argv[1] : ".";
+
+    // std::thread t(doWork, update_ctrl_file, workingDir);
+
+    int ret = a.exec();
+    // t.join();
+
+    return ret;
+}

UpdatePTUDevCtrl/mainwindow.cpp

@@ -0,0 +1,381 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include "worker.h"
+#include "utils.h"
+#include "progress_event.h"
+#include "update_dc_event.h"
+#include <DeviceController/interfaces.h>
+
+#include <QDateTime>
+#include <QMessageBox>
+#include <QDebug>
+#include <QScrollBar>
+#include <QEvent>
+
+#include <QScreen>
+
+
+
+MainWindow::MainWindow(Worker *worker, QWidget *parent)
+    : QMainWindow(parent)
+    , ui(new Ui::MainWindow)
+    , m_worker(worker)
+    , m_width(70)
+    , m_progressRunning(false)
+    , m_updateStep(UpdateDcEvent::UpdateStep::NONE) {
+
+    this->setStatusBar(new QStatusBar(this));
+    QFont f;
+    f.setStyleHint(QFont::Monospace);
+    f.setWeight(QFont::Bold);
+    f.setFamily("Misc Fixed");
+    f.setPixelSize(12);
+    this->statusBar()->setFont(f);
+
+    ui->setupUi(this);
+    checkOrientation();
+
+    ui->updateProgress->setRange(0, 100);
+    ui->updateProgress->reset();
+
+    QStringList lst;
+    QString start = QDateTime::currentDateTime().toString(Qt::ISODate);
+    lst << QString("Start: ") + start.leftJustified(m_width-10);
+    lst << QString("").leftJustified(m_width-3, '=');
+    lst << QString("Update tool version: %1 - %2 %3").arg(APP_VERSION).arg(APP_BUILD_DATE).arg(APP_BUILD_TIME).leftJustified(m_width-3);
+    lst << QString("Machine number     : %1 ").arg(m_worker->machineNr()).leftJustified(m_width-3);
+    lst << QString("Customer number    : %1 ").arg(m_worker->customerNr()).leftJustified(m_width-3);
+    lst << QString("Zone number        : %1 (%2)").arg(m_worker->zoneNr()).arg(Utils::zoneName(m_worker->zoneNr())).leftJustified(m_width-3);
+    lst << QString("APISM version      : %1").arg(m_worker->apismVersion()).leftJustified(m_width-3);
+    lst << QString("").leftJustified(m_width-3, '=');
+
+    ui->updateStatus->setText(lst.join('\n'));
+    ui->updateStatus->setEnabled(true);
+    // ui->updateStatus->installEventFilter(this);
+
+    m_startTimer = new QTimer(this);
+    connect(m_startTimer, SIGNAL(timeout()), m_worker, SLOT(start()));
+    m_startTimer->setSingleShot(true);
+    m_startTimer->start(1000);
+
+    m_exitTimer = new QTimer(this);
+    connect(m_exitTimer, SIGNAL(timeout()), ui->exit, SLOT(click()));
+    m_exitTimer->setSingleShot(true);
+    m_exitTimer->start(1800 * 1000);
+
+    m_statusTimer = new QTimer(this);
+    if (m_statusTimer) {
+        connect(m_statusTimer, &QTimer::timeout, [this]() {
+            static QString p(".");
+            QTime const &t = QDateTime::currentDateTime().time();
+            QString s = t.toString(Qt::ISODate);
+            s += ": Update might take several minutes " + p;
+            if (p.length() >= 5) {
+                p = ".";
+            } else {
+                p += ".";
+            }
+            this->statusBar()->showMessage(s);
+        });
+        m_statusTimer->setSingleShot(false);
+        m_statusTimer->start(1000);
+    }
+
+    connect(ui->exit, SIGNAL(clicked()),this,SLOT(onQuit()));
+    connect(m_worker, SIGNAL(disableExit()),this,SLOT(onDisableExit()));
+    connect(m_worker, SIGNAL(enableExit()),this,SLOT(onEnableExit()));
+    connect(m_worker, SIGNAL(stopStartTimer()),this,SLOT(onStopStartTimer()));
+    connect(m_worker, SIGNAL(restartExitTimer()),this,SLOT(onRestartExitTimer()));
+    connect(m_worker, SIGNAL(appendText(QString,QString)),this,SLOT(onAppendText(QString,QString)));
+    connect(m_worker, SIGNAL(showErrorMessage(QString,QString)),this, SLOT(onShowErrorMessage(QString,QString)));
+    connect(m_worker, SIGNAL(showStatusMessage(QString,QString)),this, SLOT(onShowStatusMessage(QString,QString)));
+    connect(m_worker, SIGNAL(showErrorMessage(QStringList)),this, SLOT(onShowErrorMessage(QStringList)));
+    connect(m_worker, SIGNAL(showStatusMessage(QString,QString)),this, SLOT(onShowStatusMessage(QString,QString)));
+    connect(m_worker, SIGNAL(replaceLast(QString,QString)),this,SLOT(onReplaceLast(QString,QString)));
+    connect(m_worker, SIGNAL(replaceLast(QStringList,QString)),this, SLOT(onReplaceLast(QStringList,QString)));
+}
+
+MainWindow::~MainWindow() {
+    delete m_startTimer;
+    delete m_exitTimer;
+    delete m_statusTimer;
+    delete ui;
+}
+
+
+// ----------------------------- Ui::LAYOUT setting -------------------------------------
+
+void MainWindow::checkOrientation()
+{
+    QScreen *screen = QGuiApplication::primaryScreen();
+    Qt::ScreenOrientation orientation = screen->orientation();
+
+    switch (orientation) {
+    case Qt::PrimaryOrientation:
+        this->setLandscapeLayout();
+        break;
+    case Qt::LandscapeOrientation:
+        this->setLandscapeLayout();
+        break;
+    case Qt::PortraitOrientation:
+        this->setPortraitLayout();
+        break;
+    case Qt::InvertedLandscapeOrientation:
+        this->setLandscapeLayout();
+        break;
+    case Qt::InvertedPortraitOrientation:
+        this->setPortraitLayout();
+        break;
+    }
+
+    this->currentOrientation = orientation;
+}
+
+
+
+void MainWindow::setPortraitLayout()
+{
+    // Adjust layout for portrait mode (480x800)
+    this->setFixedSize(480, 800);
+    ui->centralwidget->setFixedSize(480, 800);
+}
+
+void MainWindow::setLandscapeLayout()
+{
+    // Adjust layout for landscape mode (800x480)
+    this->setFixedSize(800, 480);
+    ui->centralwidget->setFixedSize(800, 480);
+}
+
+
+
+
+
+
+void MainWindow::customEvent(QEvent *event) {
+    if (event->type() == ProgressEvent::type()) {
+        ProgressEvent *pevent = (ProgressEvent *)event;
+        int const progress = pevent->progressPercent();
+        QObject const *sender = pevent->sender();
+        if (sender == this) {
+            switch(progress) {
+            case 0: {
+                ui->updateProgress->reset();
+            } break;
+            case START_PROGRESS_LOOP: {
+                m_progressRunning = true;
+                ui->updateProgress->reset();
+                // m_progressValue = 10;
+                QApplication::postEvent(this, new ProgressEvent(this, 1));
+            } break;
+            case STOP_PROGRESS_LOOP: {
+                m_progressRunning = false;
+                // m_progressValue -= 10;
+                // m_worker->setProgress(m_progressValue/10);
+            } break;
+            default: {
+                if (m_progressRunning) {
+                    // m_progressValue = progress;
+                    ui->updateProgress->setValue(progress);
+                    // ueberpruefen: hauptfenster schickt sich selber ein event
+                    // QApplication::postEvent(this, new ProgressEvent(this, progress));
+                    // QThread::msleep(500);
+                }}
+            }
+        } else
+        if (sender == m_worker) {
+            switch(progress) {
+            case 0: {
+                ui->updateProgress->reset();
+            } break;
+            case START_PROGRESS_LOOP: {
+                QApplication::postEvent(this, new ProgressEvent(this, START_PROGRESS_LOOP));
+            } break;
+            case STOP_PROGRESS_LOOP: {
+                QApplication::postEvent(this, new ProgressEvent(this, STOP_PROGRESS_LOOP));
+            } break;
+            default:{
+                ui->updateProgress->setValue(progress);
+            }}
+        } else {
+            qCritical() << "!!! UNKNOWN SENDER !!!";
+        }
+    }
+
+    QThread::yieldCurrentThread();
+}
+
+void MainWindow::onStopStartTimer() {
+    m_startTimer->stop();
+}
+
+void MainWindow::onDisableExit() {
+   ui->exit->setEnabled(false);
+}
+
+void MainWindow::onEnableExit() {
+   ui->exit->setEnabled(true);
+}
+
+void MainWindow::onRestartExitTimer() {
+    m_exitTimer->stop();
+    m_exitTimer->start(5 * 1000);
+
+    scrollDownTextEdit();
+    ui->updateStatus->setEnabled(false);
+}
+
+void MainWindow::onQuit() {
+    m_exitTimer->stop();
+    int errorCode = 0;
+
+    qCritical()
+        << QString("ON QUIT: CURRENT STEP %1")
+            .arg(m_worker->getSmap()[m_worker->currentStep()]);
+
+    // TODO: replace SEND_LAST_VERSION with UPDATE_SUCCEEDED
+    if (m_worker->currentStep() != Worker::UPDATE_STEP::SEND_LAST_VERSION) {
+        errorCode = -1;
+    }
+    qCritical() << QString("ON QUIT: EXIT CODE %1").arg(errorCode);
+    qApp->exit(errorCode);
+}
+
+void MainWindow::scrollDownTextEdit() {
+    // Utils::printInfoMsg(QString("SCROLL-DOWN-TEXT_EDIT CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+
+    ui->updateStatus->setEnabled(true);
+
+    QTextCursor tmpCursor = ui->updateStatus->textCursor();
+    tmpCursor.movePosition(QTextCursor::End);
+    ui->updateStatus->setTextCursor(tmpCursor);
+    ui->updateStatus->ensureCursorVisible();
+}
+
+void MainWindow::onAppendText(QString text, QString suffix) {
+    // Utils::printInfoMsg(QString("ON APPEND CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+
+    QString editText = ui->updateStatus->toPlainText();
+    scrollDownTextEdit();
+
+    if (!suffix.isNull() && suffix.size() > 0) {
+        //qInfo() << "TEXT" << text << "SUFFIX" << suffix;
+        if (suffix == Worker::UPDATE_STEP_SUCCESS || suffix == Worker::UPDATE_STEP_FAIL) {
+            ui->updateStatus->insertPlainText(QString("\n").leftJustified(m_width-3, '=') + " ");
+            // editText += QString("\n").leftJustified(m_width-3, '=');
+            // editText += " ";
+        }
+        QString const &add = (QString("\n") + text).leftJustified(m_width - (2 + suffix.size())) + suffix;
+        ui->updateStatus->insertPlainText(add);
+        // editText += add;
+    } else {
+        QString const &add = text.leftJustified(m_width-9);
+        ui->updateStatus->insertPlainText(add);
+        //editText += add;
+    }
+
+    // debug
+    // QString editText = ui->updateStatus->toPlainText();
+    // Utils::printLineEditInfo(editText.split('\n', QString::SplitBehavior::SkipEmptyParts));
+    // ui->updateStatus->setText(editText.trimmed());
+
+    scrollDownTextEdit();
+}
+
+void MainWindow::onReplaceLast(QStringList newTextLines, QString suffix) {
+    // Utils::printInfoMsg(QString("ON REPLACE LAST (LIST) CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+    int const s = newTextLines.size();
+    if (s > 0) {
+        QString editText = ui->updateStatus->toPlainText();
+        QStringList lines = editText.split('\n', QString::SplitBehavior::SkipEmptyParts);
+        QString newText;
+        if (lines.size() >= s) {
+            for (int i = 0; i < s; ++i) {
+                lines.removeLast();
+            }
+            if (lines.size() > 0) {
+                newText = lines.join('\n');
+                newText += '\n';
+            }
+            QStringList newLines;
+            for (int i = 0; i < s; ++i) {
+                if (i == 0 && !suffix.isNull() && suffix.size() > 0 && suffix != "\n") {
+                    newLines += Utils::rstrip(newTextLines.at(i).leftJustified(m_width-10) + suffix);
+                } else {
+                    newLines += Utils::rstrip(newTextLines.at(i).leftJustified(m_width-10));
+                }
+            }
+            lines += newLines;
+            newText += newLines.join(' ');
+        }
+
+        ui->updateStatus->setText(newText);
+        Utils::printLineEditInfo(lines);
+        scrollDownTextEdit();
+    }
+}
+
+void MainWindow::onReplaceLast(QString text, QString suffix) {
+    // Utils::printInfoMsg(QString("ON REPLACE LAST (TEXT) CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+    QString editText = ui->updateStatus->toPlainText();
+    QStringList lines = editText.split('\n', QString::SplitBehavior::SkipEmptyParts);
+    if (lines.size() > 0) {
+        // removing the last line is really meant for refreshing the last line
+        // with a string very similar than the original one, typically only
+        // followed by a suffix.
+        if (lines.last().contains(text)) {
+            lines.removeLast();
+        }
+        if (!suffix.isNull() && suffix.size() > 0 && suffix != "\n") {
+            QString const add = text.leftJustified(m_width-10) + suffix;
+            if (!add.isEmpty()) {
+                lines += text.leftJustified(m_width-10) + suffix;
+            }
+        } else {
+            QString const add = text.leftJustified(m_width-10);
+            if (!add.isEmpty()) {
+                lines += text.leftJustified(m_width-10);
+            }
+        }
+    }
+
+    Utils::printLineEditInfo(lines);
+    ui->updateStatus->setText(lines.join('\n').trimmed());
+    scrollDownTextEdit();
+}
+
+void MainWindow::onShowMessage(QString title, QString text) {
+    this->statusBar()->clearMessage();
+    this->statusBar()->showMessage( // timeout: 10000
+        QString(title + " " + text).leftJustified(80, ' '), 10000);
+}
+
+void MainWindow::onShowErrorMessage(QString title, QString text) {
+    onShowMessage(title, text);
+}
+
+void MainWindow::onShowStatusMessage(QString title, QString text) {
+    onShowMessage(title, text);
+}
+
+void MainWindow::onShowErrorMessage(QStringList lst) {
+    if (lst.size() >= 2) {
+        onShowMessage(lst.at(0), lst.at(1));
+    }
+    if (lst.size() == 1) {
+        onShowMessage(lst.at(0), "");
+    }
+}
+
+void MainWindow::onShowStatusMessage(QStringList lst) {
+    if (lst.size() >= 2) {
+        onShowMessage(lst.at(0), lst.at(1));
+    }
+    if (lst.size() == 1) {
+        onShowMessage(lst.at(0), "");
+    }
+}

UpdatePTUDevCtrl/mainwindow.h

@@ -0,0 +1,84 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <QTimer>
+#include <QStatusBar>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class MainWindow; }
+QT_END_NAMESPACE
+
+#include "worker.h"
+#include "update.h"
+#include "update_dc_event.h"
+
+#define EMERGENCY_LEAVE_BL 0
+
+class hwinf;
+class MainWindow : public QMainWindow {
+    Q_OBJECT
+
+protected:
+    void customEvent(QEvent *event) override;
+
+public:
+    MainWindow(Worker *worker, QWidget *parent = nullptr);
+    ~MainWindow();
+
+    static const int START_PROGRESS_LOOP = -1;
+    static const int STOP_PROGRESS_LOOP = -2;
+    static const int BL_START_COUNT = 5;
+    static const int BL_CHECK_COUNT = 5;
+    static const int BL_IS_UP_COUNT = 5;
+    static const int BL_STOP_COUNT = 5;
+
+    UpdateDcEvent::UpdateStep updateStep() const { return m_updateStep; }
+    void setUpdateStep(UpdateDcEvent::UpdateStep updateStep) { m_updateStep = updateStep; }
+
+public slots:
+    void onAppendText(QString, QString suffix = "");
+    void onReplaceLast(QStringList, QString suffix = "");
+    void onReplaceLast(QString, QString suffix = "");
+    void onShowErrorMessage(QString, QString);
+    void onShowStatusMessage(QString, QString);
+    void onShowErrorMessage(QStringList);
+    void onShowStatusMessage(QStringList);
+    void onStopStartTimer();
+    void onRestartExitTimer();
+    void onEnableExit();
+    void onDisableExit();
+#if EMERGENCY_LEAVE_BL==1
+    void emergencyLeaveBL();
+#endif
+
+signals:
+
+#if EMERGENCY_LEAVE_BL==1
+    void leaveBL();
+#endif
+
+private slots:
+    void onQuit();
+
+private:
+    void scrollDownTextEdit();
+    void onShowMessage(QString, QString);
+
+    Ui::MainWindow *ui;
+    void checkOrientation();
+    void setPortraitLayout();
+    void setLandscapeLayout();
+    Qt::ScreenOrientation currentOrientation;
+
+
+    Worker *m_worker;
+    int const m_width;
+    QTimer *m_startTimer;
+    QTimer *m_exitTimer;
+    bool m_progressRunning;
+    //int m_progressValue;
+    UpdateDcEvent::UpdateStep m_updateStep;
+    QTimer *m_statusTimer;
+};
+#endif // MAINWINDOW_H

UpdatePTUDevCtrl/mainwindow.ui

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>480</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>480</width>
+    <height>480</height>
+   </size>
+  </property>
+  <property name="font">
+   <font>
+    <family>Source Code Pro</family>
+   </font>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="3" column="2">
+       <widget class="QPushButton" name="exit">
+        <property name="text">
+         <string>Exit</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="1">
+       <widget class="QProgressBar" name="updateProgress">
+        <property name="value">
+         <number>1</number>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0" rowspan="3" colspan="3">
+       <widget class="QTextEdit" name="updateStatus">
+        <property name="enabled">
+         <bool>true</bool>
+        </property>
+        <property name="font">
+         <font>
+          <family>Misc Fixed</family>
+          <pointsize>11</pointsize>
+          <weight>75</weight>
+          <bold>true</bold>
+         </font>
+        </property>
+        <property name="verticalScrollBarPolicy">
+         <enum>Qt::ScrollBarAsNeeded</enum>
+        </property>
+        <property name="horizontalScrollBarPolicy">
+         <enum>Qt::ScrollBarAsNeeded</enum>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

UpdatePTUDevCtrl/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
+

UpdatePTUDevCtrl/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

UpdatePTUDevCtrl/process/command.cpp

@@ -0,0 +1,124 @@
+#include "command.h"
+
+#include <QProcess>
+#include <QDebug>
+#include <QDir>
+#include <QRegularExpression>
+#include <QDateTime>
+
+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) {
+}
+
+QString Command::getCommandResult() const {
+    return m_commandResult;
+}
+
+void Command::readyReadStandardOutput() {
+    QProcess *p = (QProcess *)sender();
+    m_commandResult += p->readAllStandardOutput();
+    // qCritical() << m_commandResult;
+}
+
+void Command::readyReadStandardError() {
+    QProcess *p = (QProcess *)sender();
+    QByteArray buf = p->readAllStandardError();
+    qCritical() << buf;
+}
+
+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()) {
+        m_commandResult += d;
+    }
+    disconnect(p, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(readyReadStandardOutput()));
+    disconnect(p, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(readyReadStandardError()));
+}
+
+bool Command::execute(QString workingDirectory, QStringList args) {
+
+    if (!QDir::setCurrent(workingDirectory)) {
+        qCritical() << "SET WORKING_DIRECTORY" << workingDirectory
+                    << "FAILED FOR" << m_command;
+        return false;
+    }
+
+    QScopedPointer<QProcess> p(new QProcess(this));
+    p->setWorkingDirectory(workingDirectory);
+    p->setProcessChannelMode(QProcess::MergedChannels);
+
+    connect(&(*p), SIGNAL(readyReadStandardOutput()), this, SLOT(readyReadStandardOutput()));
+    connect(&(*p), SIGNAL(readyReadStandardError()), this, SLOT(readyReadStandardError()));
+
+    if (!args.isEmpty()) {
+        //qDebug() << "START COMMAND" << m_command << "WITH ARGS" << args
+        //         << "IN" << p->workingDirectory();
+        p->start(m_command, args);
+    } else {
+        //qDebug() << "START COMMAND" << m_command
+        //         << "IN" << p->workingDirectory();
+        p->start(m_command);
+    }
+
+    qint64 const start = QDateTime::currentDateTime().toMSecsSinceEpoch();
+
+    if (p->waitForStarted(m_waitForStartTimeout)) {
+        // qDebug() << "PROCESS" << m_command << "STARTED IN" << p->workingDirectory();
+        if (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 = p->waitForFinished(wait);
+            if (no_timeout) {
+                // qDebug() << "PROCESS" << m_command << "FINISHED IN" << p->workingDirectory();
+                if (p->exitStatus() == QProcess::NormalExit) {
+                    if ((m_exitCode = p->exitCode()) == 0) {
+                        qint64 const end = QDateTime::currentDateTime().toMSecsSinceEpoch();
+                        qDebug() << "EXECUTED" << m_command
+                                 << QString("(runtime %1ms)").arg(end-start)
+                                 << "with code" << m_exitCode
+                                 << "IN" << 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" << p->workingDirectory();
+                    }
+                } else {
+                    qint64 const end = QDateTime::currentDateTime().toMSecsSinceEpoch();
+                    qCritical() << "PROCESS" << m_command << "CRASHED with code"
+                                << p->exitCode()
+                                << QString("(after %1ms)").arg(end-start)
+                                << "IN" << p->workingDirectory();
+                }
+            } else {
+                qint64 const end = QDateTime::currentDateTime().toMSecsSinceEpoch();
+                qCritical() << "PROCESS" << m_command
+                            << "DID NOT FINISH WITH" << wait
+                            << "MS IN" << p->workingDirectory()
+                            << QString("(runtime %1ms)").arg(end-start);
+            }
+        } else {
+            qCritical() << "WRONG PROCESS STATE" << p->state()
+                        << "IN" << p->workingDirectory();
+        }
+    } else {
+        qint64 const end = QDateTime::currentDateTime().toMSecsSinceEpoch();
+        qCritical() << "PROCESS" << m_command << "TIMEOUT AT START"
+                    << QString("(runtime %1ms)").arg(end-start)
+                    << "IN" << p->workingDirectory();
+    }
+    return false;
+}

UpdatePTUDevCtrl/process/command.h

@@ -0,0 +1,35 @@
+#ifndef COMMAND_H_INCLUDED
+#define COMMAND_H_INCLUDED
+#endif // COMMAND_H_INCLUDED
+
+#include <QObject>
+#include <QCoreApplication>
+#include <QString>
+#include <QStringList>
+#include <QProcess>
+
+
+class Command : public QObject {
+    Q_OBJECT
+
+    QString m_command;
+    QString m_commandResult;
+    int m_waitForStartTimeout;
+    int m_waitForFinishTimeout;
+    int m_exitCode;
+public:
+    explicit Command(QString const &command,
+                     int start_timeout = 100000,
+                     int finish_timeout = 100000);
+
+    QString getCommandResult() const;
+    QString command() const { return m_command; }
+
+    bool execute(QString workingDirectory, QStringList args = QStringList());
+    int exitCode() const { return m_exitCode; }
+
+private slots:
+    void readyReadStandardOutput();
+    void readyReadStandardError();
+    void finished(int exitCode, QProcess::ExitStatus exitStatus);
+};

UpdatePTUDevCtrl/progress_event.cpp

@@ -0,0 +1,20 @@
+#include "progress_event.h"
+
+QEvent::Type ProgressEvent::customEventType = QEvent::None;
+
+ProgressEvent::ProgressEvent(QObject const *sender, int progressPercent)
+    : QEvent(ProgressEvent::type())
+    , m_sender(sender)
+    , m_progressPercent(progressPercent) {
+}
+
+ProgressEvent::~ProgressEvent() {
+}
+
+QEvent::Type ProgressEvent::type() {
+    if (customEventType == QEvent::None) {
+        int generatedType = QEvent::registerEventType();
+        customEventType = static_cast<QEvent::Type>(generatedType);
+    }
+    return customEventType;
+}

UpdatePTUDevCtrl/progress_event.h

@@ -0,0 +1,26 @@
+#ifndef PROGRESS_EVENT_H_INCLUDED
+#define PROGRESS_EVENT_H_INCLUDED
+
+#include <QEvent>
+
+class ProgressEvent : public QEvent {
+
+    QObject const *m_sender;
+    int m_progressPercent;
+public:
+    explicit ProgressEvent(QObject const *sender, int progressPercent);
+    virtual ~ProgressEvent();
+    static QEvent::Type type();
+
+    QObject const *sender() { return m_sender; }
+    QObject const *sender() const { return m_sender; }
+
+    void setProgress(int progressPercent) { m_progressPercent = progressPercent; }
+    int progressPercent() { return m_progressPercent; }
+    int progressPercent() const { return m_progressPercent; }
+private:
+    static QEvent::Type customEventType;
+};
+
+
+#endif // PROGRESS_EVENT_H_INCLUDED

UpdatePTUDevCtrl/update.h

@@ -0,0 +1,143 @@
+#ifndef UPDATE_H_INCLUDED
+#define UPDATE_H_INCLUDED
+
+#include <QObject>
+#include <QString>
+#include <QFile>
+#include <QDir>
+#include <QByteArray>
+#include <QProcess>
+#include <QPluginLoader>
+#include <QMap>
+
+#include <DeviceController/interfaces.h>
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+class Worker;
+class Update : public QObject {
+    Q_OBJECT
+
+    hwinf *m_hw = nullptr;
+    Worker *m_worker = nullptr;
+    char const *m_serialInterface;
+    char const *m_baudrate;
+    QString m_customerRepository;
+    QString m_customerNrStr;
+    QString m_branchName;
+    QString m_pluginName;
+    QString m_workingDir;
+    bool m_maintenanceMode;
+    bool m_dryRun;
+    bool m_sys_areDCdataValid;
+
+    static QPluginLoader pluginLoader;
+
+public:
+    enum class DownloadResult {OK, ERROR, TIMEOUT, NOP};
+    enum class FileTypeJson {CONFIG=1, DEVICE=2, CASH=3, SERIAL=4, TIME=5, PRINTER=6};
+
+    static hwinf *loadDCPlugin(QDir const &plugInDir, QString const &fn);
+    static bool unloadDCPlugin();
+    static QStringList split(QString line, QChar sep = ',');
+
+
+    explicit Update(Worker *worker,
+                    QString customerRepository,
+                    QString customerNrStr,
+                    QString branchName,
+                    QString plugInDir,
+                    QString pluginName,
+                    QString workingDir,
+                    bool dryRun = false,
+                    QObject *parent = nullptr,
+                    char const *serialInterface = SERIAL_PORT,
+                    char const *baudrate = "115200");
+    virtual ~Update() override;
+    bool doUpdate(int &displayIndex, QStringList const &linesToWorkOn);
+    bool checkDownloadedJsonVersions(QStringList const& jsonFileNames);
+
+    QMap<QString, QString>
+        getInstalledJsonVersions(QStringList const& jsonFileNames =
+                            QStringList(
+                                QList(
+                                    std::initializer_list<QString>{
+                                        QString("etc/psa_config/DC2C_conf.json"),
+                                        QString("etc/psa_config/DC2C_cash.json"),
+                                        QString("etc/psa_config/DC2C_device.json"),
+                                        QString("etc/psa_config/DC2C_print01.json"),
+                                        QString("etc/psa_config/DC2C_print02.json"),
+                                        QString("etc/psa_config/DC2C_print03.json"),
+                                        QString("etc/psa_config/DC2C_print04.json"),
+                                        QString("etc/psa_config/DC2C_print05.json"),
+                                        QString("etc/psa_config/DC2C_print06.json"),
+                                        QString("etc/psa_config/DC2C_print07.json"),
+                                        QString("etc/psa_config/DC2C_print08.json"),
+                                        QString("etc/psa_config/DC2C_print09.json"),
+                                        QString("etc/psa_config/DC2C_print10.json"),
+                                        QString("etc/psa_config/DC2C_print11.json"),
+                                        QString("etc/psa_config/DC2C_print12.json"),
+                                        QString("etc/psa_config/DC2C_print13.json"),
+                                        QString("etc/psa_config/DC2C_print14.json"),
+                                        QString("etc/psa_config/DC2C_print15.json"),
+                                        QString("etc/psa_config/DC2C_print16.json"),
+                                        QString("etc/psa_config/DC2C_print17.json"),
+                                        QString("etc/psa_config/DC2C_print18.json"),
+                                        QString("etc/psa_config/DC2C_print19.json"),
+                                        QString("etc/psa_config/DC2C_print20.json"),
+                                        QString("etc/psa_config/DC2C_print21.json"),
+                                        QString("etc/psa_config/DC2C_print22.json"),
+                                        QString("etc/psa_config/DC2C_print23.json"),
+                                        QString("etc/psa_config/DC2C_print24.json"),
+                                        QString("etc/psa_config/DC2C_print25.json"),
+                                        QString("etc/psa_config/DC2C_print26.json"),
+                                        QString("etc/psa_config/DC2C_print27.json"),
+                                        QString("etc/psa_config/DC2C_print28.json"),
+                                        QString("etc/psa_config/DC2C_print29.json"),
+                                        QString("etc/psa_config/DC2C_print30.json"),
+                                        QString("etc/psa_config/DC2C_print31.json"),
+                                        QString("etc/psa_config/DC2C_print32.json")})));
+
+    hwinf *hw() { return m_hw; }
+    hwinf const *hw() const { return m_hw; }
+
+    //QString customerId() { return m_customerId; }
+    //QString const customerId() const { return m_customerId; }
+
+    QString branchName() { return m_branchName; }
+    QString const branchName() const { return m_branchName; }
+
+    //QString repositoryPath() { return m_repositoryPath; }
+    //QString const repositoryPath() const { return m_repositoryPath; }
+
+private:
+    static QString jsonType(enum FileTypeJson type);
+    bool openSerial(int br, QString baudrate, QString comPort) const;
+    void closeSerial() const;
+    bool isSerialOpen() const;
+    bool resetDeviceController() const;
+    QByteArray loadBinaryDCFile(QString filename) const;
+    bool downloadBinaryToDC(QString const &bFile) const;
+    bool updatePrinterTemplate(int templateIdx, QString fname) const;
+    bool updateBinary(QString const &fileToSendToDC);
+    bool updateConfig(QString jsFileToSendToDC);
+    bool updateCashConf(QString jsFileToSendToDC);
+    bool updateDeviceConf(QString jsFileToSendToDC);
+    bool downloadJson(enum FileTypeJson type, int templateIdx,
+                      QString jsFileToSendToDC) const;
+    QStringList getDcSoftAndHardWareVersion();
+    QString getFileVersion(QString const& jsonFile);
+
+private slots:
+    void readyReadStandardOutput();
+    void readyReadStandardError();
+    void finished(int exitCode, QProcess::ExitStatus exitStatus);
+    void onReportDCDownloadStatus(QString const &status);
+    void onReportDCDownloadSuccess(QString const &msg);
+    void onReportDCDownloadFailure(QString const &errorMsg);
+};
+#endif // UPDATE_H_INCLUDED

UpdatePTUDevCtrl/update_dc_event.cpp

@@ -0,0 +1,25 @@
+#include "update_dc_event.h"
+
+QEvent::Type UpdateDcEvent::customEventType = QEvent::None;
+
+UpdateDcEvent::UpdateDcEvent(QObject const *sender,
+                             UpdateStep updateStep,
+                             int count,
+                             QDateTime const &sendDateTime)
+    : QEvent(UpdateDcEvent::type())
+    , m_sender(sender)
+    , m_updateStep(updateStep)
+    , m_count(count)
+    , m_sendDateTime(sendDateTime) {
+}
+
+UpdateDcEvent::~UpdateDcEvent() {
+}
+
+QEvent::Type UpdateDcEvent::type() {
+    if (customEventType == QEvent::None) {
+        int generatedType = QEvent::registerEventType();
+        customEventType = static_cast<QEvent::Type>(generatedType);
+    }
+    return customEventType;
+}

UpdatePTUDevCtrl/update_dc_event.h

@@ -0,0 +1,40 @@
+#ifndef UPDATE_DC_EVENT_H_INCLUDED
+#define UPDATE_DC_EVENT_H_INCLUDED
+
+#include <QEvent>
+#include <QDateTime>
+
+class UpdateDcEvent : public QEvent {
+public:
+    enum UpdateStep { NONE, DC_REBOOT, BL_START, BL_CHECK, BL_CHECK_AFTER_STOP, BL_IS_UP, BL_IS_DOWN, BL_STOP};
+
+private:
+    QObject const *m_sender;
+    UpdateStep m_updateStep;
+    int m_count;
+    QDateTime m_sendDateTime;
+
+public:
+    explicit UpdateDcEvent(QObject const *sender, UpdateStep updateStep,
+                           int count,
+                           QDateTime const &sendDateTime = QDateTime::currentDateTime());
+    virtual ~UpdateDcEvent();
+    static QEvent::Type type();
+
+    QObject const *sender() { return m_sender; }
+    QObject const *sender() const { return m_sender; }
+
+    void setUpdateStep(UpdateStep updateStep) { m_updateStep = updateStep; }
+    UpdateStep updateStep() { return m_updateStep; }
+    UpdateStep updateStep() const { return m_updateStep; }
+    int count() const { return m_count; }
+    void setCount(int count) { m_count = count; }
+    QDateTime &sendDateTime() { return m_sendDateTime; }
+    QDateTime const &sendDateTime() const { return m_sendDateTime; }
+
+private:
+    static QEvent::Type customEventType;
+};
+
+
+#endif // PROGRESS_EVENT_H_INCLUDED

UpdatePTUDevCtrl/utils.cpp

@@ -0,0 +1,386 @@
+#include "utils.h"
+#include "message_handler.h"
+#include "git/git_client.h"
+
+
+#if defined (Q_OS_UNIX) || defined (Q_OS_LINUX)
+#include "unistd.h"
+#endif
+
+#include <QFile>
+#include <QTextStream>
+#include <QDebug>
+#include <QDir>
+#include <QDirIterator>
+#include <QRegularExpression>
+
+#include <fstream>
+
+int Utils::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 Utils::getLocation(QString fileName) {
+    QString location("N/A");
+    QFile f(fileName);
+    if (f.exists()) {
+        if (f.open(QIODevice::ReadOnly | QIODevice::Text)) {
+            QTextStream in(&f);
+            in.setCodec("UTF-8");
+            while(!in.atEnd()) {
+                QString const &line = in.readLine();
+                if (line.indexOf("Project", Qt::CaseInsensitive) != -1) {
+                    int const c = line.indexOf(":");
+                    if (c != -1) {
+                        location = line.mid(c+1);
+                        if (!location.isEmpty()) {
+                            location = location.replace(QChar(','), QString(""));
+                            return location.replace(QChar('"'), QString("")).trimmed();
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    return location;
+}
+
+QString Utils::getTariffVersion(QString fileName) {
+    QString version("N/A");
+    QFile f(fileName);
+    if (f.exists()) {
+        if (f.open(QIODevice::ReadOnly | QIODevice::Text)) {
+            QTextStream in(&f);
+            in.setCodec("UTF-8");
+            while(!in.atEnd()) {
+                QString const &line = in.readLine();
+                if (line.indexOf("Version", Qt::CaseInsensitive) != -1) {
+                    int const c = line.indexOf(":");
+                    if (c != -1) {
+                        version = line.mid(c+1);
+                        if (!version.isEmpty()) {
+                            version = version.replace(QChar(','), QString(""));
+                            return version.replace(QChar('"'), QString("")).trimmed();
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    return version;
+}
+
+QString Utils::getTariffInfo(QString fileName) {
+    QString info("N/A");
+    QFile f(fileName);
+    if (f.exists()) {
+        if (f.open(QIODevice::ReadOnly | QIODevice::Text)) {
+            QTextStream in(&f);
+            in.setCodec("UTF-8");
+            while(!in.atEnd()) {
+                QString const &line = in.readLine();
+                if (line.indexOf("Info", Qt::CaseInsensitive) != -1) {
+                    int const c = line.indexOf(":");
+                    if (c != -1) {
+                        info = line.mid(c+1);
+                        if (!info.isEmpty()) {
+                            info = info.replace(QChar(','), QString(""));
+                            return info.replace(QChar('"'), QString("")).trimmed();
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    return info;
+
+}
+
+QString Utils::zoneName(quint8 i) {
+    //static constexpr char const *zName[] = {
+    //    "",
+    //    "purple",
+    //    "blue",
+    //    "yellow",
+    //    "green",
+    //    "yellow (mars)",
+    //    "green (mars)"
+    //};
+    //if (i < (sizeof(zName)/sizeof(char const *))) {
+    //    return zName[i];
+    //}
+    return "---";
+}
+
+void Utils::printCriticalErrorMsg(QString const &errorMsg, bool upper, bool lower) {
+    if (upper) qCritical() << QString(80, 'E');
+
+    qCritical() << errorMsg;
+
+    if (lower) qCritical() << QString(80, 'E');
+}
+
+void Utils::printCriticalErrorMsg(QStringList const &errorMsg) {
+    qCritical() << QString(80, 'E');
+    for (int i = 0; i < errorMsg.size(); ++i) {
+        qCritical() << errorMsg.at(i);
+    }
+    qCritical() << QString(80, 'E');
+}
+
+void Utils::printUpdateStatusMsg(QDebug debug, QStringList const &updateMsg) {
+    //if (updateMsg.size() > 1) {
+    //    qCritical() << QString(80, 'U');
+    //}
+
+    Q_UNUSED(debug);
+
+    for (int i = 0; i < updateMsg.size(); ++i) {
+        qInfo() << updateMsg.at(i);
+    }
+
+    //if (updateMsg.size() > 1) {
+    //    qCritical() << QString(80, 'U');
+    //}
+}
+
+void Utils::printUpdateStatusMsg(QStringList const &updateMsg) {
+    //if (updateMsg.size() > 1) {
+    //    qCritical() << QString(80, 'U');
+    //}
+
+    for (int i = 0; i < updateMsg.size(); ++i) {
+        qCritical() << updateMsg.at(i);
+    }
+
+    //if (updateMsg.size() > 1) {
+    //    qCritical() << QString(80, 'U');
+    //}
+}
+
+void Utils::printUpdateStatusMsg(QString const &updateMsg, bool upper, bool lower) {
+    if (upper) qCritical() << QString(80, 'U');
+
+    qCritical() << updateMsg;
+
+    if (lower) qCritical() << QString(80, 'U');
+}
+
+void Utils::printUpdateStatusMsg(QDebug debug, QString const &updateMsg,
+                                 bool upper, bool lower) {
+    if (upper) debug << QString(80, 'U');
+
+    qInfo() << updateMsg;
+
+    if (lower) debug << QString(80, 'U');
+
+}
+
+void Utils::printInfoMsg(QString const &infoMsg, bool upper, bool lower) {
+    if (upper) qCritical() << QString(80, 'I');
+
+    qCritical() << infoMsg;
+
+    if (lower) qCritical() << QString(80, 'I');
+}
+
+void Utils::printInfoMsg(QStringList const &infoMsg) {
+    //if (infoMsg.size() > 1) {
+    //    qCritical() << QString(80, 'I');
+    //}
+
+    for (int i = 0; i < infoMsg.size(); ++i) {
+        qCritical() << infoMsg.at(i);
+    }
+
+    //if (infoMsg.size() > 1) {
+    //    qCritical() << QString(80, 'I');
+    //}
+}
+
+void Utils::printLineEditInfo(QStringList const &lines) {
+    if (getDebugLevel() == LOG_DEBUG) {
+        for (int i=0; i<lines.size(); ++i) {
+            qInfo() << lines.at(i);
+        } qInfo() << ""; qInfo() << "";
+    }
+}
+
+QString Utils::getTariffLoadTime(QString fileName) {
+    QFileInfo fInfo(fileName);
+    if (fInfo.exists()) {
+        QDateTime lastModifiedTime = fInfo.lastModified();
+        if (lastModifiedTime.isValid()) {
+            return lastModifiedTime.toString(Qt::ISODateWithMs);
+        } else {
+            printCriticalErrorMsg(fileName + " HAS INVALID MODIFIED-TIME");
+            QDateTime birthTime = fInfo.birthTime();
+            if (birthTime.isValid()) {
+                return birthTime.toString(Qt::ISODateWithMs);
+            } else {
+                printCriticalErrorMsg(fileName + " HAS INVALID BIRTH-TIME");
+            }
+        }
+    } else {
+        printCriticalErrorMsg(fileName + " DOES NOT EXIST");
+    }
+    return "N/A";
+}
+
+QString Utils::rstrip(QString const &str) {
+    int n = str.size() - 1;
+    for (; n >= 0; --n) {
+        if (!str.at(n).isSpace()) {
+            return str.left(n + 1);
+        }
+    }
+    return "";
+}
+
+bool Utils::sameFilesInDirs(QDir const &dir1, QDir const &dir2,
+                            QStringList const &nameFilters) {
+    if (!dir1.exists()) {
+        printCriticalErrorMsg(dir1.dirName() + " DOES NOT EXIST");
+        return false;
+    }
+    if (!dir2.exists()) {
+        printCriticalErrorMsg(dir2.dirName() + " DOES NOT EXIST");
+        return false;
+    }
+    if (dir1.absolutePath() == dir2.absolutePath()) {
+        printCriticalErrorMsg(dir1.dirName() + " AND "+ dir2.dirName() + " HAVE SAME PATH");
+        return false;
+    }
+
+    // files, sorted by name
+    QFileInfoList const &lst1 = dir1.entryInfoList(nameFilters, QDir::Files, QDir::Name);
+    QFileInfoList const &lst2 = dir2.entryInfoList(nameFilters, QDir::Files, QDir::Name);
+
+    QStringList fileNameLst1{};
+    QStringList fileNameLst2{};
+    QListIterator<QFileInfo> i1(lst1);
+    while (i1.hasNext()) {
+        fileNameLst1 << i1.next().fileName();
+    }
+    QListIterator<QFileInfo> i2(lst2);
+    while (i2.hasNext()) {
+        fileNameLst2 << i2.next().fileName();
+    }
+
+    QString dirPath1 = dir1.absolutePath();
+    QString dirPath2 = dir2.absolutePath();
+
+    if (fileNameLst1.isEmpty()) {
+        qCritical() << "DIR1" << dirPath1 << " DOES NOT CONTAIN EXPECTED FILES";
+        return false;
+    }
+    if (fileNameLst2.isEmpty())  {
+        qCritical() << "DIR1" << dirPath2 << " DOES NOT CONTAIN EXPECTED FILES";
+        return false;
+    }
+    if (fileNameLst1 != fileNameLst2) {
+        printCriticalErrorMsg(dirPath1 + " AND " + dirPath2
+                            + " HAVE DIFFERENT FILES: [" + fileNameLst1.join(',') + "],["
+                            + fileNameLst2.join(',') + "]");
+        return false;
+    } else {
+        printInfoMsg(dirPath1 + " AND " + dirPath2
+                    + " ARE EQUAL: [" + fileNameLst1.join(',') + "]");
+    }
+
+    QStringList gitBlobLst1{};
+    QStringList gitBlobLst2{};
+    QListIterator<QFileInfo> i3(lst1);
+    while (i3.hasNext()) {
+        gitBlobLst1 << GitClient::gitBlob(i3.next().fileName());
+    }
+    QListIterator<QFileInfo> i4(lst2);
+    while (i4.hasNext()) {
+        gitBlobLst2 << GitClient::gitBlob(i4.next().fileName());
+    }
+
+    if (gitBlobLst1.isEmpty()) {
+        qCritical() << "DIR1" << dirPath1 << " DOES NOT CONTAIN EXPECTED FILES";
+        return false;
+    }
+    if (gitBlobLst2.isEmpty())  {
+        qCritical() << "DIR1" << dirPath2 << " DOES NOT CONTAIN EXPECTED FILES";
+        return false;
+    }
+
+    if (gitBlobLst1 != gitBlobLst2) {
+        printCriticalErrorMsg(dirPath1 + " AND " + dirPath2
+                            + " HAVE DIFFERENT BLOBS: [" + gitBlobLst1.join(',') + "],["
+                            + gitBlobLst2.join(',') + "]");
+        return false;
+    } else {
+        printInfoMsg(dirPath1 + " AND " + dirPath2
+                    + " CONTAIN SAME GIT-BLOBS FOR FILES: [" + fileNameLst1.join(',') + "]");
+
+    }
+
+    return true;
+}
+
+
+QString Utils::getParentName() { // get name of parent process
+    QString ppid = QString("/proc/%1/status").arg(getppid());
+    std::ifstream f(ppid.toStdString().c_str());
+    if (f.is_open()) {
+        std::string next;
+        while (std::getline(f, next)) {
+            QString line = QString(next.c_str()).simplified();
+            if (line.startsWith("Name")) {
+                int const idx = line.indexOf(QChar(':'));
+                if (idx != -1) {
+                    return line.mid(idx+1).trimmed();
+                }
+            }
+        }
+    }
+    return "";
+}
+
+bool Utils::isATBQTRunning() {
+    QDirIterator it("/proc",
+                    QStringList() << "status",
+                    QDir::Files,
+                    QDirIterator::Subdirectories);
+    while (it.hasNext()) {
+        QString const &nextStatusFile = it.next();
+        static const QRegularExpression re("^/proc/[0-9]{1,}/status");
+        QRegularExpressionMatch match = re.match(nextStatusFile);
+        if (match.hasMatch()) {
+            std::ifstream f(nextStatusFile.toStdString().c_str());
+            if (f.is_open()) {
+                std::string next;
+                while (std::getline(f, next)) {
+                    QString line = QString(next.c_str()).simplified();
+                    if (line.startsWith("Name")) {
+                        int const idx = line.indexOf(QChar(':'));
+                        if (idx != -1) {
+                            QString const binary = line.mid(idx+1).trimmed();
+                            if (binary == "ATBQT") {
+                                return true;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    return false;
+}

UpdatePTUDevCtrl/utils.h

@@ -0,0 +1,38 @@
+#ifndef UTILS_H_INCLUDED
+#define UTILS_H_INCLUDED
+
+#include <QObject>
+#include <QString>
+#include <QStringList>
+#include <QFile>
+#include <QFileInfo>
+#include <QDateTime>
+#include <QDir>
+#include <QDebug>
+
+namespace Utils {
+    int read1stLineOfFile(QString fileName);
+    QString getLocation(QString fileName);
+    QString getTariffVersion(QString fileName);
+    QString getTariffInfo(QString fileName);
+    QString zoneName(quint8 i);
+    void printCriticalErrorMsg(QString const &errorMsg, bool upper=false, bool lower=false);
+    void printCriticalErrorMsg(QStringList const &errorMsg);
+    void printInfoMsg(QString const &infoMsg, bool upper=false, bool lower=false);
+    void printInfoMsg(QStringList const &infoMsg);
+    void printUpdateStatusMsg(QDebug debug, QStringList const &updateMsg);
+    void printUpdateStatusMsg(QStringList const &updateMsg);
+    void printUpdateStatusMsg(QString const &updateMsg, bool upper=false, bool lower=false);
+    void printUpdateStatusMsg(QDebug debug, QString const &updateMsg, bool upper=false, bool lower=false);
+    void printLineEditInfo(QStringList const &lines);
+    QString getTariffLoadTime(QString fileName);
+    QString rstrip(QString const &str);
+    bool sameFilesInDirs(QDir const &dir1, QDir const &dir2,
+                         QStringList const &nameFilters = {"*.json"});
+
+
+    QString getParentName();
+    bool isATBQTRunning();
+}
+
+#endif // UTILS_H_INCLUDED

UpdatePTUDevCtrl/worker_thread.cpp

@@ -0,0 +1,13 @@
+#include "worker_thread.h"
+
+WorkerThread::WorkerThread(QString const &name,
+                           QObject *parent) : QThread(parent) {
+    this->setObjectName(name);
+}
+
+WorkerThread::~WorkerThread() {
+}
+
+//void WorkerThread::run() {
+//
+//}

UpdatePTUDevCtrl/worker_thread.h

@@ -0,0 +1,17 @@
+#ifndef WORKER_THREAD_H_INCLUDED
+#define WORKER_THREAD_H_INCLUDED
+
+#include <QThread>
+#include <QString>
+
+class WorkerThread : public QThread {
+    Q_OBJECT
+public:
+    WorkerThread(QString const &name, QObject *parent = nullptr);
+    virtual ~WorkerThread();
+
+protected:
+    // virtual void run();
+};
+
+#endif // WORKER_THREAD_H_INCLUDED

common/include/System.h

@@ -0,0 +1,60 @@
+#ifndef SYSTEM_H
+#define SYSTEM_H
+
+
+#include <QObject>
+#include <QStringList>
+
+#include <optional>
+#include <initializer_list>
+
+class System : public QObject
+{
+    Q_OBJECT
+
+private:
+    explicit System(QObject *parent = 0);
+
+    static QString errorMsg;
+
+public:
+
+    static const QStringList allowedJsonFiles;
+
+    static bool checkForSDCard();
+    static bool umountSDCard();
+
+    static std::optional<QString> checkForUSBStick(QString const &dirPathUnderMountPath = ".");
+    static QString getUSBMountPath(QString const &dirPathUnderMountPath = ".");
+
+    //static QString getUSBDeviceName();
+    static bool umountUSBStick();
+
+    static bool test_mount(const QString& dev, const QString &mountpoint);
+    static bool test_dir(const QString& dir);
+
+    static quint32 getFreeDiskSpace(const QString& dev);
+    static quint32 getFreeDiskSpaceSDCard();
+    static bool isSDCardWritable();
+    static quint32 getFreeDiskSpaceUSBStick();
+    static bool isUSBStickWritable();
+
+    static quint8 createLogFileBackup(const QString & targzfile, const QString &filelistfile = "");
+    static QString getSDCardMountPath();
+    static QString getSDCardDeviceName();
+
+    static QString getUniqueDeviceId();
+
+    static QString getErrorMessage();
+
+    static QString readStringFromFile(const QString & filename);
+    static int readIntFromFile(const QString & filename);
+
+    static QString getPTU4SerialNumber();
+    static QString getPTU4MACAddress();
+
+    static QStringList getJsonFilesOnUsbStick(QString const &mountPath);
+
+};
+
+#endif // SYSTEM_H

common/include/message_handler.h

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

common/src/System.cpp

@@ -0,0 +1,711 @@
+#include "System.h"
+#include <QFile>
+#include <QFileInfo>
+#include <QDir>
+#include <QTextStream>
+#include <QProcess>
+#include <QRegExp>
+#include <QStringList>
+#include <QDebug>
+#include <QDirIterator>
+
+//#include "version.h"
+
+
+
+
+const QStringList System::allowedJsonFiles =
+std::initializer_list<QString>{
+    QString("DC2C_conf.json"),
+    QString("DC2C_cash.json"),
+    QString("DC2C_device.json"),
+    QString("DC2C_print01.json"),
+    QString("DC2C_print02.json"),
+    QString("DC2C_print03.json"),
+    QString("DC2C_print04.json"),
+    QString("DC2C_print05.json"),
+    QString("DC2C_print06.json"),
+    QString("DC2C_print07.json"),
+    QString("DC2C_print08.json"),
+    QString("DC2C_print09.json"),
+    QString("DC2C_print10.json"),
+    QString("DC2C_print11.json"),
+    QString("DC2C_print12.json"),
+    QString("DC2C_print13.json"),
+    QString("DC2C_print14.json"),
+    QString("DC2C_print15.json"),
+    QString("DC2C_print16.json"),
+    QString("DC2C_print17.json"),
+    QString("DC2C_print18.json"),
+    QString("DC2C_print19.json"),
+    QString("DC2C_print20.json"),
+    QString("DC2C_print21.json"),
+    QString("DC2C_print22.json"),
+    QString("DC2C_print23.json"),
+    QString("DC2C_print24.json"),
+    QString("DC2C_print25.json"),
+    QString("DC2C_print26.json"),
+    QString("DC2C_print27.json"),
+    QString("DC2C_print28.json"),
+    QString("DC2C_print29.json"),
+    QString("DC2C_print30.json"),
+    QString("DC2C_print31.json"),
+    QString("DC2C_print32.json")
+};
+
+QString System::errorMsg = "";
+
+System::System(QObject *parent) :
+    QObject(parent)
+{
+
+}
+
+
+
+/********************************************************************************
+ * static function to return error message.
+ *
+ */
+QString System::getErrorMessage()
+{
+    return errorMsg;
+}
+
+
+
+/********************************************************************************
+ * static function to check if a writable SD-card is in the cardslot.
+ *
+ * This function only checks a certain path or a mount entry. It does not mount
+ * a SD-card, this must be provided by the OS (automounter).
+ *
+ * returns 1 if a SD-card is available, 0 otherwise.
+ */
+bool System::checkForSDCard()
+{
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    return true;
+#endif
+
+
+
+    if (!test_mount(getSDCardDeviceName(), getSDCardMountPath())) {
+        qDebug() << "check for SD-card failed: \n"
+                 << "    device name is: " << getSDCardDeviceName()
+                 << "    mount path is:  " << getSDCardMountPath();
+        return false;
+    }
+
+    return true;
+}
+
+
+/********************************************************************************
+ * static function for umount sd-card.
+ *
+ */
+bool System::umountSDCard()
+{
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    return true;
+#endif
+
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    QString commandString = "umount " + getSDCardMountPath();
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::umountSDCard(): ERROR: waitForStarted()";
+        return false;
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::umountSDCard(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return false;
+    }
+    else {
+        QByteArray bytes = process.readAll();
+        QStringList lines = QString(bytes).split("\n");
+        foreach (QString line, lines) {
+            qDebug() << "System::umountSDCard() line:    " << line;
+        }
+    }
+
+
+    return true;
+}
+
+
+
+/********************************************************************************
+ * static function for umount usb-stick.
+ *
+ */
+bool System::umountUSBStick()
+{
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    return true;
+#endif
+
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    QString commandString = "umount " + getUSBMountPath();
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::umountUSBStick(): ERROR: waitForStarted()";
+        return false;
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::umountUSBStick(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return false;
+    }
+    else {
+        QByteArray bytes = process.readAll();
+        QStringList lines = QString(bytes).split("\n");
+        foreach (QString line, lines) {
+            qDebug() << "System::umountUSBStick() line:    " << line;
+        }
+    }
+
+
+    return true;
+}
+
+
+
+/*****************************************************************************
+ * test, if a certain device is already mounted
+ *
+ * e.g. a mounted SD-card on PTU4:
+ *  - device is '/dev/mmcblk0p1'
+ *  - mount path is '/media/mmcblk0p1'
+ *
+ * e.g. a mounted USB-Stick on PTU4:
+ *  - device is '/dev/sda'
+ *  - mount path is '/media/sda'
+ */
+bool System::test_mount(const QString& dev, const QString& mountpoint)
+{
+    bool mounted = false;
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    qDebug() << "System::test_mount() dev = " << dev;
+    qDebug() << "System::test_mount() mountpoint = " << mountpoint;
+
+    //normalize mountpoint: (mountpoint is without trailing '/')
+    QString tmp_mountpoint =  QString(mountpoint).remove(QRegExp("/*$"));
+
+    QString commandString = "mount";
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::test_mount(): ERROR: waitForStarted()";
+        return false;
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::test_mount(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return false;
+    }
+    else {
+        QByteArray bytes = process.readAll();
+        QStringList lines = QString(bytes).split("\n");
+        foreach (QString line, lines) {
+            //qDebug() << "System::test_mount() line:    " << line;
+
+            //if (line.contains(dev)) qDebug() << "System::test_mount() line contains dev";
+            //if (line.contains(tmp_mountpoint)) qDebug() << "System::test_mount() line contains mountpoint";
+
+            if (line.contains(dev) && line.contains(tmp_mountpoint)) {
+                qDebug() << "System::test_mount(): " << dev << " is mounted on " << tmp_mountpoint;
+                mounted = true;
+            }
+        }
+    }
+
+
+    return mounted;
+}
+
+
+/*****************************************************************************
+ *  test, if a certain directory is existing and readable
+ */
+bool System::test_dir(const QString& dir)
+{
+    QFileInfo fileInfo(dir);
+    if (! fileInfo.isDir() ) {   return false;  }
+
+    return true;
+}
+
+
+
+std::optional<QString> System::checkForUSBStick(QString const &dirPathUnderMountPath) {
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    if (QFileInfo(getUSBMountPath()).isDir())
+        return true;
+    else
+        return false;
+#endif
+
+    QString const &mountPath = getUSBMountPath(dirPathUnderMountPath);
+    // qCritical() << "MOUNT-PATH" << mountPath;
+    return mountPath.isEmpty() ? std::nullopt : std::optional<QString>(mountPath);
+}
+
+
+
+/**
+ * @brief SupportSystem::getUSBMountPath
+ * @return path where a USB storage device is mounted.
+ *
+ * Note, do not return an empty string ("") here because a calling method (which could not be
+ * identified till now) is relying on this!
+ */
+QString System::getUSBMountPath(QString const &dirPathUnderMountPath) {
+
+#if defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    return QDir::homePath().append("/APconfigTest/USB");
+#endif
+
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    QStringList mountLine;
+
+    qDebug() << "System::getUSBMountPath()";
+
+    QRegExp devRegExp   = QRegExp("dev/sd*",   Qt::CaseSensitive, QRegExp::WildcardUnix);
+    QRegExp mountRegExp = QRegExp("media/sd*", Qt::CaseSensitive, QRegExp::WildcardUnix);
+
+    QString commandString = "mount";
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::getUSBMountPath(): ERROR: waitForStarted()";
+        return "";
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::getUSBMountPath(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return "";
+    }
+    else {
+        QByteArray bytes = process.readAll();
+        QStringList lines = QString(bytes).split("\n");
+        foreach (QString line, lines) {
+            qDebug() << "System::getUSBMountPath() line:    " << line;
+
+            if (line.contains(devRegExp) && line.contains(mountRegExp)) {
+
+                qDebug() << "  -> this line is a usb storage device mount" << line;
+
+                mountLine = line.split(' ');
+                if (mountLine.size() > 3) {
+                    qCritical() << "System::getUSBMountPath(): " << mountLine.at(0) << " is mounted on " << mountLine.at(2);
+                    QDir d(QDir::cleanPath(mountLine.at(2) + QDir::separator() + dirPathUnderMountPath));
+                    if (d.exists()) {
+                        return mountLine.at(2);
+                    } else {
+                        qCritical() << "directory" << d.absolutePath() << "does not exist";
+                    }
+                }
+            }
+        }
+    }
+
+    qDebug() << "System::getUSBMountPath() no mounted usb device found!";
+
+    return "";
+}
+
+QStringList System::getJsonFilesOnUsbStick(QString const &mountPath) {
+    QStringList jsonFiles;
+
+    // /media/sda2/etc/psa_config
+    QString const &dirPath = QDir::cleanPath(mountPath + QDir::separator() + "etc" + QDir::separator() + "psa_config");
+    QDir d(dirPath);
+    if (d.exists()) {
+        QDirIterator it(dirPath, QStringList() << "*.json", QDir::Files, QDirIterator::NoIteratorFlags);
+        while (it.hasNext()) {
+            QString const &jsonFile = it.next();
+            QFileInfo fi(jsonFile);
+            if (System::allowedJsonFiles.contains(fi.fileName())) {
+                jsonFiles << jsonFile;
+            } else {
+                qCritical() << "Warning:" << fi.fileName() << "unknown";
+            }
+        }
+    }
+
+    return jsonFiles;
+}
+
+/********************************************************************************
+ * static function to check if a mounted sd-card is writable.
+ *
+ * Note: the caller must ensure (e.g. by calling checkForSDCard()) that a
+ * sd-card is mounted.
+ *
+ */
+bool System::isSDCardWritable()
+{
+    QFileInfo fi(getSDCardMountPath());
+
+    if(fi.isDir() && fi.isWritable()) {
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+/********************************************************************************
+ * static function to check if a mounted usb-stick is writable.
+ *
+ * Note: the caller must ensure (e.g. by calling checkForUSBStick()) that a
+ * usb-stick is mounted.
+ *
+ */
+bool System::isUSBStickWritable()
+{
+    QFileInfo fi(getUSBMountPath());
+
+    if(fi.isDir() && fi.isWritable()) {
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+
+/********************************************************************************
+ * wrapper function for getting free space on a sd-card on ptu
+ *
+ */
+quint32 System::getFreeDiskSpaceSDCard()
+{
+#if defined (ARCH_DesktopLinux)
+    return getFreeDiskSpace("/home/siegert/server1home");
+#endif
+    return getFreeDiskSpace(getSDCardMountPath());
+}
+
+
+/********************************************************************************
+ * wrapper function for getting free space on a usb storage device on ptu
+ *
+ */
+quint32 System::getFreeDiskSpaceUSBStick()
+{
+#if defined (ARCH_DesktopLinux)
+    return getFreeDiskSpace("/home/siegert/server1home");
+#endif
+    return getFreeDiskSpace(getUSBMountPath());
+}
+
+
+/********************************************************************************
+ * static function to read free disk space
+ *
+ * example output of 'df' command on ptu:
+ *   # df
+ *   Filesystem     1K-blocks  Used Available Use% Mounted on
+ *   ubi0:rootfs       111704 78940     32764  71% /
+ *   devtmpfs           62072     0     62072   0% /dev
+ *   tmpfs              62332     0     62332   0% /dev/shm
+ *   tmpfs              62332   416     61916   1% /tmp
+ *   tmpfs              62332    24     62308   1% /run
+ *   ubi0:data         222260  5892    216368   3% /opt
+ *   tmpfs              62332     0     62332   0% /media
+ *   /dev/mmcblk0p1   3878912 87360   3791552   3% /media/mmcblk0p1
+ *
+ * in this case, if we want to get the free space on the sd-card the methode should
+ * be called:
+ *   getFreeDiskSpace("/dev/mmcblk0p1")
+ * the result should be:
+ *   3791552
+ *
+ */
+quint32  System::getFreeDiskSpace(const QString& dev)
+{
+    quint32 availableSpace = 0;
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    //qDebug() << "System::getFreeDiskSpace() dev = " << dev;
+
+    QString commandString = "df";
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::getFreeDiskSpace(): ERROR: waitForStarted()";
+        return availableSpace;
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::getFreeDiskSpace(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return availableSpace;
+    }
+    else {
+        QByteArray bytes = process.readAll();
+        QStringList lines = QString(bytes).split("\n");
+        foreach (QString line, lines) {
+            //qDebug() << "System::getFreeDiskSpace() line:    " << line;
+
+
+
+            if (line.contains(dev)) {
+                //qDebug() << "System::getFreeDiskSpace() line contains dev";
+
+                QStringList processResultLine = line.split(' ', QString::SkipEmptyParts);
+                if (processResultLine.size() >= 4) {
+                    bool ok;
+                    availableSpace = processResultLine.at(3).toLong(&ok);
+                    if (!ok) {
+                        return 0;
+                    }
+                    qDebug() << "System::getFreeDiskSpace() availableSpace = " << availableSpace;
+                }
+                else {
+                    return availableSpace;
+                }
+
+
+            }
+        }
+    }
+
+
+    return availableSpace;
+
+
+}
+
+
+
+
+
+
+/********************************************************************************
+ * static function to create a backup of logfiles
+ *
+ * 'targzfile' is an absolute filename for ar tar.gz file wich will be created
+ * 'filelistfile' is an absolute filename of a file containing all names of files
+ *                which should be backed up.
+ *
+ * returns:
+ *  1 on success
+ *  0 on failure
+ *
+ */
+quint8 System::createLogFileBackup(const QString & targzfile, const QString &filelistfile)
+{
+    QProcess process;
+    process.setProcessChannelMode(QProcess::MergedChannels);
+
+    qDebug() << "System::createLogFileBackup() targzfile    = " << targzfile;
+    qDebug() << "System::createLogFileBackup() filelistfile = " << filelistfile;
+
+    QString commandString = "tar hczvf " + targzfile + " -T " + filelistfile;
+
+    qDebug() << "System::createLogFileBackup() tar command:" << commandString;
+
+    process.start(commandString);
+    if (!process.waitForStarted()) {
+        errorMsg = "System::createLogFileBackup(): ERROR: waitForStarted()";
+        return 1;
+    }
+    if (!process.waitForFinished(600000)) {
+        errorMsg = "System::createLogFileBackup(): ERROR: " + process.errorString();
+        qDebug() << errorMsg;
+        return 1;
+    }
+    else {
+        // DEBUG
+        //QByteArray bytes = process.readAll();
+        //QStringList lines = QString(bytes).split("\n");
+        //foreach (QString line, lines) {
+        //    qDebug() << "System::createLogFileBackup() line:    " << line;
+        //}
+    }
+
+    QString resultMessage;
+    QProcess::ExitStatus exitStatus = process.exitStatus();
+    int exitCode = process.exitCode();
+
+    if (exitStatus == QProcess::CrashExit) {
+        resultMessage = "local backup program crashed";
+        qCritical() << resultMessage;
+        return 1;
+    }
+    else
+
+        /**
+         *  note for exit codes of process tar:
+         *  see: http://www.gnu.org/software/tar/manual/html_section/tar_19.html#Synopsis
+         *
+         *  tar returns exitCode 2 if some files in logFileList could not be read (e.g. if they are not existing)
+         *  however, tar-archive is created although!
+         *  This means success for our needs!
+         */
+
+    if ( (exitCode != 0) && (exitCode != 2) && (exitStatus == QProcess::NormalExit) ) {
+        resultMessage = "Local Backup file \"" + targzfile + "\" with exit code = " + QString::number(exitCode);
+        qCritical() << resultMessage;
+        return 1;
+    }
+    else {
+        resultMessage = "Local Backup file \"" + targzfile + "\" was created successfully.";
+        qCritical() << resultMessage;
+        return 0;
+    }
+
+    return 0;
+
+}
+
+
+
+/*****************************************************************************
+ * get SD-card mount path.
+ */
+QString System::getSDCardMountPath()
+{
+#if defined (ARCH_PTU4)
+    return "/media/mmcblk0p1";
+#elif defined (ARCH_PTU5)
+    return "/media/mmcblk0p1";
+#elif defined (ARCH_DesktopLinux)
+    // DEBUG / TEST:
+    return "/home/siegert/APconfigTest";
+#endif
+    return "";
+}
+
+
+/*****************************************************************************
+ * get SD-card device name.
+ */
+QString System::getSDCardDeviceName()
+{
+#if defined (ARCH_PTU4)
+    return "/dev/mmcblk0p1";
+#elif defined (ARCH_PTU5)
+    return "/dev/mmcblk0p1";
+#elif defined (ARCH_DesktopLinux)
+    return "/dev/sdf1";
+#endif
+    return "";
+}
+
+
+
+
+
+
+/********************************************************************************
+ * static function to build and return a unique device id.
+ * This id consists currently only of the mac-address of network device eth0.
+ */
+QString System::getUniqueDeviceId()
+{
+    QString filename = "/sys/class/net/eth0/address";
+    QString result;
+
+    QFile file(filename);
+    if(!file.open(QIODevice::ReadOnly)) {
+        qCritical() << "System::getUniqueDeviceId() could not open file: " << filename;
+        result = "0";
+    }
+    else {
+        QTextStream in(&file);
+        result = in.readLine(20);
+    }
+
+    file.close();
+
+    result.remove(':');
+
+    return result;
+
+}
+
+
+
+QString System::readStringFromFile(const QString & filename)
+{
+#if defined (ARCH_PTU4)
+    QFileInfo fileinfo(filename);
+#else
+    QFileInfo fileinfo(QDir::homePath() + filename);
+#endif
+    if (! fileinfo.isReadable() ) {
+        qDebug() << "System::readStringFromFile(): \"" << filename << "\" is not readable";
+        return "";
+    }
+
+#if defined (ARCH_PTU4)
+    QFile file(filename);
+#else
+    QFile file(QDir::homePath() + filename);
+#endif
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        qDebug() << "System::readStringFromFile() cannot open file: " << filename;
+        return "";
+    }
+
+    QTextStream in(&file);
+
+    QString stringValue = in.readLine(100);
+    qDebug() << "System::readStringFromFile() stringValue = " << stringValue;
+
+    file.close();
+
+    return stringValue;
+}
+
+
+int System::readIntFromFile(const QString & filename)
+{
+    bool ok;
+    int result = (int)readStringFromFile(filename).toInt(&ok);
+
+    if (!ok) {
+        result = 0;
+    }
+
+    return result;
+}
+
+
+/****************************************************************************
+ * read ptu internal data
+ *
+ */
+QString System::getPTU4SerialNumber()
+{
+    return readStringFromFile("/sys/bus/i2c/devices/0-0050/SNO");
+}
+
+QString System::getPTU4MACAddress()
+{
+    return readStringFromFile("/sys/bus/i2c/devices/0-0050/MAC");
+}
+

common/src/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
+

on_update_failure.sh

@@ -0,0 +1,184 @@
+#!/bin/bash
+
+# set -x
+
+#
+#############################################################################
+# Check if the ATBUpdateTool(.service) did not send U0001 (sucess),
+# U0002 (activated) or U0003 (error) to ISMAS, including the case that the
+# tool did not crash or was not killed under other circumstances.
+#
+# This script will be called in the associated atbupdatetool.service (see
+# /lib/systemd/system/atbupdatetool.service).
+#
+###############################################################################
+
+readonly OUT_FILE=/tmp/out.txt
+readonly SCRIPT_NAME=$(basename $0)
+
+if [ -z "$START_DATE" ]
+then
+    START_DATE=$(date +"%Y-%m-%d00:00:00")
+fi
+
+if [ -z "$STOP_DATE" ]
+then
+    STOP_DATE=$(date +"%Y-%m-%d%H:%M:%S")
+fi
+
+echo "EXIT_CODE=$EXIT_CODE"
+echo "SERVICE_RESULT=$SERVICE_RESULT"
+echo "EXIT_STATUS=$EXIT_STATUS"
+echo "START_DATE=$START_DATE"
+echo "STOP_DATE=$STOP_DATE"
+
+
+last_cmd_event () {
+    # output json; look for start of CMD_EVENT; look for }}; extract everything between; finally re-add }}.
+    # could also look for ">>>", but this might change in the future.
+    local json=$(\
+	    journalctl -u atbupdatetool --since="$START_DATE" --until="$STOP_DATE" --output=json-pretty |\
+	    grep "#M=APISM#C=CMD_EVENT#J="                                                              |\
+	    awk '{split($0, a, "#M=APISM#C=CMD_EVENT#J="); print a[2]}'                                 |\
+	    awk '{split($0, a, /\}[\s]*\}/); print a[1]}'                                               |\
+	    tr -d '\\'                                                                                  |\
+	    tail -1)
+    json+="}}"
+    echo "$json"
+}
+
+last_percent_value () {
+    echo $(cat $OUT_FILE | sed -n "s/\(^.*\)\(\"PERCENT\"\\s*:\)\(\\s*[0-9]\+\)\(.*$\)/\3/p" | xargs | awk '{print $NF}')
+}
+
+last_step () {
+    echo $(cat $OUT_FILE | sed -n "s/\(^.*\)\(\"PERCENT\"\\s*:\)\(\\s*[0-9]\+\)\(.*$\)/\1\2\3\4/p" | tail -1 | awk '{split($0, a, ","); print a[8]}' | awk '{split($0, b, " : "); print b[2]}' | tr -d '"\\')
+}
+
+last_step_result () {
+    echo $(cat $OUT_FILE | sed -n "s/\(^.*\)\(\"PERCENT\"\\s*:\)\(\\s*[0-9]\+\)\(.*$\)/\1\2\3\4/p" | tail -1 | awk '{split($0, a, ","); print a[9]}' | awk '{split($0, b, " : "); print b[2]}' | tr -d '"\\')
+}
+
+pid_atbupdatetool () {
+    echo $(cat $OUT_FILE | sed -n "s/\(^.*\)\(ATBUpdateTool\[\)\(\\s*[0-9]\+\)\(\].*$\)/\3/p" | uniq)
+}
+
+last_event () {
+    echo $(cat $OUT_FILE | sed -n "s/\(^.*\)\(\"PERCENT\"\\s*:\)\(\\s*[0-9]\+\)\(.*$\)/\1\2\3\4/p" | tail -1 | awk '{split($0, a, ","); print a[4]}' | awk '{split($0, b, ":"); print b[2]}' | tr -d ' ' | tr -d '"\\') 
+}
+
+sendU0003 () {
+    LAST_CMD_EVENT=$(last_cmd_event)
+    echo "LAST=$LAST_CMD_EVENT"
+    
+    local json_detected=0
+    local temp
+    local x
+
+    if [[ ! -z "$LAST_CMD_EVENT" ]]
+    then
+       temp=$(mktemp -p /tmp)
+       echo "$LAST_CMD_EVENT" > "$temp"
+       x=$(jq .EVENT $temp)
+       if [ $? -eq 0 ]; then
+           json_detected=1
+       fi
+    fi
+
+    if [ $json_detected -eq 1 ]
+    then
+        # local pid=$(jq .EVENT_ID $temp)
+
+	# if json has been detected, use "jq".
+
+        x=$(jq .PARAMETER.PERCENT $temp | tr -d '"')
+        [[ -z "$x" ]] && PERCENT=0 || PERCENT=$x
+
+        x=$(jq .PARAMETER.STEP $temp | tr -d '"')
+        [[ -z "$x" ]] && STEP="unknown" || STEP="$x"
+       
+        x=$(jq .PARAMETER.STEP_RESULT $temp | tr -d '"')
+        [[ -z "$x" ]] && STEP_RESULT="unknown" || STEP_RESULT="$x"
+    
+        x=$(pid_atbupdatetool)
+        [[ -z "$x" ]] && PID=99999 || PID=$x
+    
+        x=$(last_event)
+        [[ -z "$x" ]] && EVENT="unknown" || EVENT="$x"
+    
+    else 
+        # cannot parse valid json. try original journal text file.
+
+        x=$(last_percent_value)
+        [[ -z "$x" ]] && PERCENT=0 || PERCENT=$x
+
+        x=$(last_step)
+        [[ -z "$x" ]] && STEP="unknown" || STEP="$x"
+    
+        x=$(last_step_result)
+        [[ -z "$x" ]] && STEP_RESULT="unknown" || STEP_RESULT="$x"
+    
+        x=$(pid_atbupdatetool)
+        [[ -z "$x" ]] && PID=99999 || PID=$x
+
+        x=$(last_event)
+        [[ -z "$x" ]] && EVENT="unknown" || EVENT="$x"
+    fi
+
+    echo "PERCENT=$PERCENT"
+    echo "STEP=$STEP"
+    echo "STEP_RESULT=$STEP_RESULT"
+    echo "PID=$PID"
+    echo "EVENT=$EVENT"
+
+    # build json to be sent to ISMAS with "U0003"
+
+    CURRENT_DATE=$(date +"%Y-%m-%d %H:%M:%S.000%z")
+    U0003Msg="{\
+        \"REASON\":\"SW_UP\",\
+        \"TIMESTAMP\":\"$CURRENT_DATE\",\
+        \"EVENT_ID\":\"$PID\",\
+        \"EVENT\":\"U0003\",\
+        \"EVENTSTATE\":1,\
+        \"PARAMETER\": {\
+            \"PERCENT\" : $PERCENT,\
+            \"RESULTCODE\" : 99,\
+                    \"STEP\" : \"$1 -> monitored last step: $STEP\",\
+                    \"STEP_RESULT\" : \"$1 -> monitored last step result: $STEP_RESULT\",\
+            \"VERSION\" : \"\"\
+        }\
+    }"
+
+    echo -e "U0003Msg=$U0003Msg"
+
+    (echo "#M=APISM#C=CMD_EVENT#J=$U0003Msg"; sleep 5) | nc localhost 7777
+}
+
+# save journal for the last run of atbupdatetool in $OUT_FILE
+echo $(journalctl -u atbupdatetool --since="$START_DATE" --until=$STOP_DATE) > $OUT_FILE
+
+if [[ "$EXIT_CODE" = "exited" && "$SERVICE_RESULT" = "success" && "$EXIT_STATUS" = "0" ]]
+then
+    # almost normal run; at least there was no crash.	
+    if cat $OUT_FILE | grep -o "U0003" | wc -l; then
+        echo "$SCRIPT_NAME: Failure code U0003 already sent to ISMAS"
+        exit 0
+    fi
+
+    if cat $OUT_FILE | grep -o "U0002" | wc -l; then
+        echo "$SCRIPT_NAME: Success code U0002 already sent to ISMAS"
+        exit 0
+    else
+        sendU0003 "$SCRIPT_NAME: Success code U0002 not sent to ISMAS"
+    fi
+
+    if cat $OUT_FILE | grep -o "U0001" | wc -l; then
+        echo "$SCRIPT_NAME: Success code U0001 already sent to ISMAS"
+        exit 0
+    else
+        sendU0003 "$SCRIPT_NAME: Success code U0001 not sent to ISMAS"
+    fi
+else
+    # something unexpected has happened.
+    sendU0003 "$SCRIPT_NAME: EXIT_CODE=$EXIT_CODE;SERVICE_RESULT=$SERVICE_RESULT;EXIT_STATUS=$EXIT_STATUS"
+fi