Example #1
0
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    a.setOrganizationName(APP_ORG);
    a.setApplicationVersion(APP_VERSION);
    a.setApplicationName(APP_NAME);
    QTranslator translator;
    const QStringList localeDirs({QString("%1/languages").arg(QDir::currentPath()),
                                  QString(qApp->applicationDirPath() + "/languages"),
                                  QString("/usr/share/%1/languages").arg(APP_NAME),
                                  QString("/usr/local/share/%1/languages").arg(APP_NAME),
                                  QString(QDir::home().absolutePath() + "/.local/share/%1/languages").arg(APP_NAME),
                                  QString(QDir::currentPath().left(QDir::currentPath().lastIndexOf("/")) + "/share/%1/languages").arg(APP_NAME)});
    const QString langFile(qApp->applicationName());
    foreach(const QString &dir, localeDirs){
        if (translator.load(QLocale::system(),langFile, "_", dir )) {
            qApp->installTranslator(&translator);
            break;
        }
    }
    QApplication::setQuitOnLastWindowClosed(false);
    PopupWindow w;
    w.hide();
    QSharedMemory sharedMemory;
    sharedMemory.setKey("QtAlsaVolume");
    if (sharedMemory.attach()) {
        return 0;
    }
    if (!sharedMemory.create(1)) {
        return 0;
    }
    else{
        return a.exec();
    }
}
Example #2
0
/**
 * @brief Executed when new instance connect command is sent to LocalServer
 */
void Rshare::slotConnectionEstablished()
{
	QLocalSocket *socket = localServer->nextPendingConnection();
	socket->close();
	delete socket;

	QSharedMemory newArgs;
	newArgs.setKey(QString(TARGET) + "_newArgs");

	if (!newArgs.attach())
	{
		std::cerr << "(EE) Rshare::slotConnectionEstablished() Unable to attach to shared memory segment."
		          << newArgs.errorString().toStdString() << std::endl;
		return;
	}

	QBuffer buffer;
	QDataStream in(&buffer);
	QStringList args;

	newArgs.lock();
	buffer.setData((char*)newArgs.constData(), newArgs.size());
	buffer.open(QBuffer::ReadOnly);
	in >> args;
	newArgs.unlock();
	newArgs.detach();

	emit newArgsReceived(args);
	while (!args.empty())
	{
		std::cerr << "Rshare::slotConnectionEstablished args:" << QString(args.takeFirst()).toStdString() << std::endl;
	}
}
Example #3
0
File: main.cpp Project: chocoop/ckb
bool isRunning(){
    if(!appShare.create(16)){
        if(!appShare.attach() || !appShare.lock())
            return false;
        void* data = appShare.data();
        snprintf((char*)data, 16, "Open");
        appShare.unlock();
        return true;
    }
    return false;
}
static mydsp *create_shared_dsp(){
  QString key = "radium_crashreporter_" + QString::number(QDateTime::currentMSecsSinceEpoch());
  QSharedMemory *shared = new QSharedMemory(key);

  if(shared->create(sizeof(mydsp))==false){
    fprintf(stderr,"COMPRESSOR_create_shared: Couldn't create... Error: %s\n",shared->error()==QSharedMemory::NoError?"No error (?)":shared->errorString().toAscii().data());
    return NULL;
  }

  void *memory = shared->data();

  mydsp *dsp = new(memory) mydsp();

#if 0
  printf("memory: %p, shared: %p\n",memory,shared);
  dsp->key = key;
  dsp->shared = shared;
#endif

  //printf("system: %d\n",system(QString(QString("xterm -e gdb /home/kjetil/radium_compressor/radium_compressor --args --ladspa-slave ")+key).toAscii()));
  printf("system: %d\n",system(QString(QString("xterm -e gdb --args /home/kjetil/radium_compressor/radium_compressor  --ladspa-slave ")+key+" &").toAscii()));


  return dsp;

#if 0
  if(fork()!=0){

    return dsp;

  }else{

    QSharedMemory *shared = new QSharedMemory(key);

    if(shared->attach()==false){
      fprintf(stderr,"Ladspa compressor: Couldn't attach... Error: %s\n",shared->error()==QSharedMemory::NoError?"No error (?)":shared->errorString().toAscii().data());
      exit(0);
    }

    char *argv[1]={(char*)"radium_compressor"};

    mydsp *dsp          = (mydsp*)shared->data();
    fprintf(stderr,"dsp: %p.\n",dsp);
    portData* port_data = new portData(dsp->getNumInputs(), dsp->getNumOutputs());
    dsp->buildUserInterface(port_data); // This is the second time buildUserInterface is called twice on the dsp data. One time in each process.

    start_program(1,argv,new PLUGIN(0, port_data, dsp));

    exit(0);
    return NULL;
  }
#endif
}
Example #5
0
int SingleApp(){//TODO:problem.
    int ret = 1;
    QSharedMemory sharedMemory;
    sharedMemory.setKey("FishProjectApp");
//    if (sharedMemory.create(1) && sharedMemory.error() != QSharedMemory::AlreadyExists)
    if(sharedMemory.attach())
    {
        qDebug()<<"single";
        return 0;
    }
    sharedMemory.create(1);
    qDebug()<<"create";
    return ret;
}
Example #6
0
int consumer()
{
    QSharedMemory consumer;
    consumer.setKey("market");

    //qDebug("consumer starting");
    int tries = 0;
    while (!consumer.attach()) {
        if (tries == 5000) {
            qWarning() << "consumer exiting, waiting too long";
            return EXIT_FAILURE;
        }
        ++tries;
        QTest::qSleep(1);
    }
    //qDebug("consumer attached");


    int i = 0;
    while (true) {
        if (!consumer.lock()) {
            qWarning() << "Could not lock" << consumer.key();
            return EXIT_FAILURE;
        }
        if (get(consumer, 0) == 'Q') {
            set(consumer, 0, ++i);
            //qDebug() << "consumer sets" << i;
        }
        if (get(consumer, 0) == 'E') {
            if (!consumer.unlock()) {
                qWarning() << "Could not unlock" << consumer.key();
                return EXIT_FAILURE;
            }
            break;
        }
        if (!consumer.unlock()) {
            qWarning() << "Could not unlock" << consumer.key();
            return EXIT_FAILURE;
        }
        QTest::qSleep(10);
    }

    //qDebug("consumer detaching");
    if (!consumer.detach()) {
        qWarning() << "Could not detach" << consumer.key();
        return EXIT_FAILURE;
    }
    return EXIT_SUCCESS;
}
void *COMPRESSOR_create_ladspa(const char *key){
  QSharedMemory *shared = new QSharedMemory(key);
  
  if(shared->attach()==false){
    fprintf(stderr,"Ladspa compressor: Couldn't attach... Error: %s\n",shared->error()==QSharedMemory::NoError?"No error (?)":shared->errorString().toAscii().data());
    exit(0);
  }

  mydsp *dsp          = (mydsp*)shared->data();
  
  fprintf(stderr,"dsp: %p.\n",dsp);
  portData* port_data = new portData(dsp->mydsp::getNumInputs(), dsp->mydsp::getNumOutputs());
  dsp->mydsp::buildUserInterface(port_data); // buildUserInterface is called twice on the dsp data. One time in each process.
  
  return new PLUGIN(0, port_data, dsp);
}
static QSharedMemory *createSharedMemory(qint32 key, int byteCount)
{
    QSharedMemory *sharedMemory = new QSharedMemory(QString(valueKeyTemplateString).arg(key));

    bool sharedMemoryIsCreated = sharedMemory->create(byteCount);
    if (!sharedMemoryIsCreated) {
        if (sharedMemory->isAttached())
            sharedMemory->attach();
        sharedMemory->detach();
        sharedMemoryIsCreated = sharedMemory->create(byteCount);
    }

    if (sharedMemoryIsCreated) {
        globalSharedMemoryCache.insert(key, sharedMemory);
        return sharedMemory;
    }

    return 0;
}
Example #9
0
void setBool(bool value, QString name) {
    QSharedMemory* sharedMemory = boolMemoryMap.value(name);

    if(sharedMemory->isAttached()) {
        sharedMemory->detach();
    }

    int size = sizeof(bool);

    if (!sharedMemory->create(size)) {
        sharedMemory->attach(QSharedMemory::ReadWrite);
    }

    sharedMemory->lock();

    bool *array = (bool*)sharedMemory->data();
    memcpy(array, &value, qMin(sharedMemory->size(), size));

    sharedMemory->unlock();
}
Example #10
0
void setString(const char value[], QString name) {
    QSharedMemory* sharedMemory = stringMemoryMap.value(name);

    if(sharedMemory->isAttached())
        sharedMemory->detach();

    int size = strlen(value) + sizeof(char);

    if (!sharedMemory->create(size)) {
        if (!sharedMemory->isAttached()) {
            sharedMemory->attach(QSharedMemory::ReadWrite);
        }
    }

    sharedMemory->lock();

    char *to = (char*)sharedMemory->data();
    memcpy(to, value, qMin(sharedMemory->size(), size));

    sharedMemory->unlock();
}
Example #11
0
// Example how to get json using shared memory. Not tested :-D
std::pair<bool, QString> json() {

    QSharedMemory sharedMemory;

    if (!sharedMemory.attach()) {
        return std::make_pair<bool, QString>(false, QString());
    }

    QBuffer buffer;
    QDataStream in(&buffer);
    QString json;

    sharedMemory.lock();
    buffer.setData((char*)sharedMemory.constData(), sharedMemory.size());
    buffer.open(QBuffer::ReadOnly);
    in >> json;
    sharedMemory.unlock();

    sharedMemory.detach();
    return std::make_pair<bool, QString>(false, QString());
}
Example #12
0
int getInt(QString name) {
    QSharedMemory* sharedMemory = intMemoryMap[name];

    sharedMemory->attach(QSharedMemory::ReadOnly);

    int returnValue = 0;

    if(!sharedMemory->isAttached()) {
        return returnValue;
    }

    sharedMemory->lock();

    int* value = (int*)sharedMemory->data();
    memcpy(&returnValue, value, sizeof(value));

    sharedMemory->unlock();

    sharedMemory->detach();

    return returnValue;
}
Example #13
0
void setInt(int value, QString name) {
    QSharedMemory* sharedMemory = intMemoryMap.value(name);

    if(sharedMemory->isAttached())
        sharedMemory->detach();

    int size = sizeof(int);

    if (!sharedMemory->create(size)) {
        if (!sharedMemory->isAttached()) {
            sharedMemory->attach(QSharedMemory::ReadWrite);
        }
    }

    sharedMemory->lock();

    int* to = (int*)sharedMemory->data();

    memcpy(to, &value, qMin(sharedMemory->size(), size));

    sharedMemory->unlock();
}
Example #14
0
File: main.cpp Project: shazron/ckb
// Check if the application is running. Optionally write something to its shared memory.
static bool isRunning(const char* command){
    // Try to create shared memory (if successful, application was not already running)
    if(!appShare.create(SHMEM_SIZE) || !appShare.lock()){
        // Lock existing shared memory
        if(!appShare.attach() || !appShare.lock())
            return true;
        bool running = false;
        if(appShare.size() == SHMEM_SIZE_V015){
            // Old shmem - no PID listed so assume the process is running, and print the command directly to the buffer
            if(command){
                void* data = appShare.data();
                snprintf((char*)data, SHMEM_SIZE_V015, "%s", command);
            }
            running = true;
        } else {
            // New shmem. Scan the contents of the shared memory for a PID
            QStringList lines = QString((const char*)appShare.constData()).split("\n");
            if(pidActive(lines)){
                running = true;
                // Append the command
                if(command){
                    lines.append(QString("Option ") + command);
                    QByteArray newMem = lines.join("\n").left(SHMEM_SIZE).toLatin1();
                    // Copy the NUL byte as well as the string
                    memcpy(appShare.data(), newMem.constData(), newMem.length() + 1);
                }
            }
        }
        if(running){
            appShare.unlock();
            return true;
        }
    }
    // Not already running. Initialize the shared memory with our PID
    snprintf((char*)appShare.data(), appShare.size(), "PID %ld", (long)getpid());
    appShare.unlock();
    return false;
}
Example #15
0
char* getString(QString name) {
    QSharedMemory* sharedMemory = stringMemoryMap[name];

    sharedMemory->attach(QSharedMemory::ReadOnly);

    char* strValue = (char*)"";

    if(!sharedMemory->isAttached()) {
        return strValue;
    }

    sharedMemory->lock();

    char* shared = (char*)sharedMemory->data();
    strValue = new char[strlen(shared) + sizeof(char)];
    strcpy(strValue, shared);

    sharedMemory->unlock();

    sharedMemory->detach();

    return strValue;
}
Example #16
0
bool getBool(QString name) {
    QSharedMemory* sharedMemory = boolMemoryMap[name];

    sharedMemory->attach(QSharedMemory::ReadOnly);

    bool returnValue = false;

    if(!sharedMemory->isAttached()) {
        return returnValue;
    }

    sharedMemory->lock();

    bool value = *(bool*)sharedMemory->data();

    returnValue = value;

    sharedMemory->unlock();

    sharedMemory->detach();

    return returnValue;
}
Example #17
0
bool Application::isRunning()
{
    bool running = BaseApplication::isRunning();
    QSharedMemory *sharedMem = new QSharedMemory(id() + QLatin1String("-shared-memory-key"), this);
    if (!running) {
        // First instance creates shared memory and store PID
        if (sharedMem->create(sizeof(DWORD)) && sharedMem->lock()) {
            *(static_cast<DWORD*>(sharedMem->data())) = ::GetCurrentProcessId();
            sharedMem->unlock();
        }
    }
    else {
        // Later instances attach to shared memory and retrieve PID
        if (sharedMem->attach() && sharedMem->lock()) {
            ::AllowSetForegroundWindow(*(static_cast<DWORD*>(sharedMem->data())));
            sharedMem->unlock();
        }
    }

    if (!sharedMem->isAttached())
        qWarning() << "Failed to initialize shared memory: " << sharedMem->errorString();

    return running;
}
Example #18
0
int producer()
{
    QSharedMemory producer;
    producer.setKey("market");

    int size = 1024;
    if (!producer.create(size)) {
        if (producer.error() == QSharedMemory::AlreadyExists) {
            if (!producer.attach()) {
                qWarning() << "Could not attach to" << producer.key();
                return EXIT_FAILURE;
            }
        } else {
            qWarning() << "Could not create" << producer.key();
            return EXIT_FAILURE;
        }
    }
    // tell parent we're ready
    //qDebug("producer created and attached");
    puts("");
    fflush(stdout);

    if (!producer.lock()) {
        qWarning() << "Could not lock" << producer.key();
        return EXIT_FAILURE;
    }
    set(producer, 0, 'Q');
    if (!producer.unlock()) {
        qWarning() << "Could not lock" << producer.key();
        return EXIT_FAILURE;
    }

    int i = 0;
    while (i < 5) {
        if (!producer.lock()) {
            qWarning() << "Could not lock" << producer.key();
            return EXIT_FAILURE;
        }
        if (get(producer, 0) == 'Q') {
            if (!producer.unlock()) {
                qWarning() << "Could not unlock" << producer.key();
                return EXIT_FAILURE;
            }
            QTest::qSleep(1);
            continue;
        }
        //qDebug() << "producer:" << i);
        ++i;
        set(producer, 0, 'Q');
        if (!producer.unlock()) {
            qWarning() << "Could not unlock" << producer.key();
            return EXIT_FAILURE;
        }
        QTest::qSleep(1);
    }
    if (!producer.lock()) {
        qWarning() << "Could not lock" << producer.key();
        return EXIT_FAILURE;
    }
    set(producer, 0, 'E');
    if (!producer.unlock()) {
        qWarning() << "Could not unlock" << producer.key();
        return EXIT_FAILURE;
    }

    //qDebug("producer done");

    // Sleep for a bit to let all consumers exit
    getchar();
    return EXIT_SUCCESS;
}
Example #19
0
bool attach_jt9_() {return mem_jt9.attach();}
int
main(int argc, char *argv[])
{
    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);

    QApplication a(argc, argv);

    auto startMinimized = false;
    QString uri = "";

    for (auto string : QCoreApplication::arguments()) {
        if (string == "-m" || string == "--minimized")
            startMinimized = true;
        if (string == "-d" || string == "--debug")
            Console();
        if (string.startsWith("ring:")) {
            uri = string;
        }
    }

#ifdef URI_PROTOCOL
    QSharedMemory* shm = new QSharedMemory("RingShm");
    QSystemSemaphore* sem = new QSystemSemaphore("RingSem", 0);

    if (not shm->create(1024)) {
        if (not uri.isEmpty()) {
            shm->attach();
            shm->lock();
            char *to = (char*) shm->data();
            QChar *data = uri.data();
            while (!data->isNull())
            {
                memset(to, data->toLatin1(), 1);
                ++data;
                ++to;
            }
            memset(to, 0, 1); //null terminator
            shm->unlock();
        }
        sem->release();

        delete shm;
        exit(EXIT_SUCCESS);
    }
    //Client listening to shm event
    memset((char*)shm->data(), 0, shm->size());
    ShmClient* shmClient = new ShmClient(shm, sem);
#endif

    QTranslator qtTranslator;
    qtTranslator.load("qt_" + QLocale::system().name(),
                      QLibraryInfo::location(QLibraryInfo::TranslationsPath));
    a.installTranslator(&qtTranslator);

    QTranslator lrcTranslator;
    lrcTranslator.load("share/libringclient/translations/lrc_" + QLocale::system().name());
    a.installTranslator(&lrcTranslator);

    QTranslator mainTranslator;
    mainTranslator.load("share/ring/translations/ring_client_windows_" + QLocale::system().name());
    a.installTranslator(&mainTranslator);

    QFont font;
    font.setFamily("Segoe UI");
    a.setFont(font);

    QFile file(":/stylesheet.css");
    if(file.open(QIODevice::ReadOnly | QIODevice::Text))
    {
        a.setStyleSheet(file.readAll());
        file.close();
    }

    QCoreApplication::setOrganizationName("Savoir-faire Linux");
    QCoreApplication::setOrganizationDomain("ring.cx");
    QCoreApplication::setApplicationName("Ring");

    if (not uri.isEmpty()) {
        startMinimized = false;
        MainWindow::instance().onRingEvent(uri);
    }

    if (not startMinimized)
        MainWindow::instance().show();
    else {
        MainWindow::instance().showMinimized();
        MainWindow::instance().hide();
    }

    MainWindow::instance().createThumbBar();

#ifdef URI_PROTOCOL
    QObject::connect(shmClient, SIGNAL(RingEvent(QString)), &MainWindow::instance(), SLOT(onRingEvent(QString)));

    QObject::connect(&a, &QApplication::aboutToQuit, [&a, &shmClient, &shm, &sem]() {
        shmClient->terminate();
        delete shmClient;
        delete shm;
        delete sem;
    });
#endif

    return a.exec();
}