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;
}
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();
}
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();
}