示例#1
0
void ProcessInputChannel::initialize() {
    _backgroundOutputPipe = new QLocalSocket();
    QObject::connect(_backgroundOutputPipe, SIGNAL(connected()), this, SLOT(onOutputPipeConnectionMade()));
    _backgroundOutputPipe->connectToServer(_mainProcessServerName,QLocalSocket::ReadWrite);
    
    _backgroundIPCServer = new QLocalServer();
    QObject::connect(_backgroundIPCServer,SIGNAL(newConnection()),this,SLOT(onNewConnectionPending()));

    QString serverName;
    {
        QTemporaryFile tmpf(QDir::tempPath() + QDir::separator() + NATRON_APPLICATION_NAME "_INPUT_SOCKET"
                            + QString::number(QCoreApplication::applicationPid()));
        tmpf.open();
        serverName = tmpf.fileName();
    }
    _backgroundIPCServer->listen(serverName);
    
    if(!_backgroundOutputPipe->waitForConnected(5000)){ //< blocking, we wait for the server to respond
        std::cout << "WARNING: The GUI application failed to respond, canceling this process will not be possible"
        " unless it finishes or you kill it." << std::endl;
    }
    writeToOutputChannel(QString(kBgProcessServerCreatedShort) + _backgroundIPCServer->fullServerName());
    
    ///we wait for the GUI app to connect its socket to this server, we let it 5 sec to reply
    _backgroundIPCServer->waitForNewConnection(5000);
    
    ///since we're still not returning the event loop, just process them manually in case
    ///Qt didn't caught the new connection pending.
    QCoreApplication::processEvents();

}
示例#2
0
void
ProcessInputChannel::initialize()
{
    _backgroundOutputPipe = new QLocalSocket();
    QObject::connect( _backgroundOutputPipe, SIGNAL(connected()), this, SLOT(onOutputPipeConnectionMade()) );
    _backgroundOutputPipe->connectToServer(_mainProcessServerName,QLocalSocket::ReadWrite);
    std::cout << "Attempting connection to " << _mainProcessServerName.toStdString() << std::endl;

    _backgroundIPCServer = new QLocalServer();
    QObject::connect( _backgroundIPCServer,SIGNAL(newConnection()),this,SLOT(onNewConnectionPending()) );


    QString tmpFileName;
#if defined(Q_OS_WIN)
    tmpFileName += QString::fromUtf8("//./pipe");
    tmpFileName += QLatin1Char('/');
    tmpFileName += QString::fromUtf8(NATRON_APPLICATION_NAME);
    tmpFileName += QString::fromUtf8("_INPUT_SOCKET");
#endif

    {
#if defined(Q_OS_UNIX)
        QTemporaryFile tmpf(tmpFileName);
        tmpFileName = tmpf.fileName();
        tmpf.remove();
#else
        QTemporaryFile tmpf;
        tmpf.open();
        QString tmpFilePath = tmpf.fileName();
        QString baseName;
        int lastSlash = tmpFilePath.lastIndexOf(QLatin1Char('/'));
        if (lastSlash != -1 && lastSlash < tmpFilePath.size() - 1) {
            baseName = tmpFilePath.mid(lastSlash + 1);
        } else {
            baseName = tmpFilePath;
        }
        tmpFileName += baseName;
        tmpf.remove();
#endif
    }
    _backgroundIPCServer->listen(tmpFileName);

    if ( !_backgroundOutputPipe->waitForConnected(5000) ) { //< blocking, we wait for the server to respond
        std::cout << "WARNING: The GUI application failed to respond, canceling this process will not be possible"
            " unless it finishes or you kill it." << std::endl;
    }
    writeToOutputChannel( QString::fromUtf8(kBgProcessServerCreatedShort) + tmpFileName );

    ///we wait for the GUI app to connect its socket to this server, we let it 5 sec to reply
    _backgroundIPCServer->waitForNewConnection(5000);

    ///since we're still not returning the event loop, just process them manually in case
    ///Qt didn't caught the new connection pending.
    QCoreApplication::processEvents();
}