Exemplo n.º 1
0
bool RemotePlugin::processMessage( const message & _m )
{
	lock();
	message reply_message( _m.id );
	bool reply = false;
	switch( _m.id )
	{
		case IdUndefined:
			unlock();
			return false;

		case IdInitDone:
			reply = true;
			break;

		case IdSampleRateInformation:
			reply = true;
			reply_message.addInt( Engine::mixer()->processingSampleRate() );
			break;

		case IdBufferSizeInformation:
			reply = true;
			reply_message.addInt( Engine::mixer()->framesPerPeriod() );
			break;

		case IdChangeInputCount:
			m_inputCount = _m.getInt( 0 );
			resizeSharedProcessingMemory();
			break;

		case IdChangeOutputCount:
			m_outputCount = _m.getInt( 0 );
			resizeSharedProcessingMemory();
			break;

		case IdChangeInputOutputCount:
			m_inputCount = _m.getInt( 0 );
			m_outputCount = _m.getInt( 1 );
			resizeSharedProcessingMemory();
			break;

		case IdDebugMessage:
			fprintf( stderr, "RemotePlugin::DebugMessage: %s",
						_m.getString( 0 ).c_str() );
			break;

		case IdProcessingDone:
		case IdQuit:
		default:
			break;
	}
	if( reply )
	{
		sendMessage( reply_message );
	}
	unlock();

	return true;
}
Exemplo n.º 2
0
bool RemotePlugin::init( const QString &pluginExecutable,
							bool waitForInitDoneMsg )
{
	lock();
	if( m_failed )
	{
		reset( new shmFifo(), new shmFifo() );
		m_failed = false;
	}
	QString exec = configManager::inst()->pluginDir() +
					QDir::separator() + pluginExecutable;

	QStringList args;
	// swap in and out for bidirectional communication
	args << QString::number( out()->shmKey() );
	args << QString::number( in()->shmKey() );
#ifndef DEBUG_REMOTE_PLUGIN
	m_process.setProcessChannelMode( QProcess::ForwardedChannels );
	m_process.setWorkingDirectory( QCoreApplication::applicationDirPath() );
	m_process.start( exec, args );
	m_watcher.start( QThread::LowestPriority );
#else
	qDebug() << exec << args;
#endif

	resizeSharedProcessingMemory();

	if( waitForInitDoneMsg )
	{
		waitForInitDone();
	}
	unlock();

	return failed();
}
Exemplo n.º 3
0
bool RemotePlugin::init(const QString &pluginExecutable,
							bool waitForInitDoneMsg , QStringList extraArgs)
{
	lock();
	if( m_failed )
	{
#ifdef SYNC_WITH_SHM_FIFO
		reset( new shmFifo(), new shmFifo() );
#endif
		m_failed = false;
	}
	QString exec = QFileInfo(QDir("plugins:"), pluginExecutable).absoluteFilePath();
#ifdef LMMS_BUILD_APPLE
	// search current directory first
	QString curDir = QCoreApplication::applicationDirPath() + "/" + pluginExecutable;
	if( QFile( curDir ).exists() )
	{
		exec = curDir;
	}
#endif
#ifdef LMMS_BUILD_WIN32
	if( ! exec.endsWith( ".exe", Qt::CaseInsensitive ) )
	{
		exec += ".exe";
	}
#endif

	if( ! QFile( exec ).exists() )
	{
		qWarning( "Remote plugin '%s' not found.",
						exec.toUtf8().constData() );
		m_failed = true;
		invalidate();
		unlock();
		return failed();
	}

	QStringList args;
#ifdef SYNC_WITH_SHM_FIFO
	// swap in and out for bidirectional communication
	args << QString::number( out()->shmKey() );
	args << QString::number( in()->shmKey() );
#else
	args << m_socketFile;
#endif
	args << extraArgs;
#ifndef DEBUG_REMOTE_PLUGIN
	m_process.setProcessChannelMode( QProcess::ForwardedChannels );
	m_process.setWorkingDirectory( QCoreApplication::applicationDirPath() );
	m_process.start( exec, args );
	m_watcher.start( QThread::LowestPriority );
#else
	qDebug() << exec << args;
#endif

#ifndef SYNC_WITH_SHM_FIFO
	struct pollfd pollin;
	pollin.fd = m_server;
	pollin.events = POLLIN;

	switch ( poll( &pollin, 1, 30000 ) )
	{
		case -1:
			qWarning( "Unexpected poll error." );
			break;

		case 0:
			qWarning( "Remote plugin did not connect." );
			break;

		default:
			m_socket = accept( m_server, NULL, NULL );
			if ( m_socket == -1 )
			{
				qWarning( "Unexpected socket error." );
			}
	}
#endif

	resizeSharedProcessingMemory();

	if( waitForInitDoneMsg )
	{
		waitForInitDone();
	}
	unlock();

	return failed();
}