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();
}
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();
}
ProcessHandler::ProcessHandler(AppInstance* app,
const QString& projectPath,
Natron::OutputEffectInstance* writer)
: _app(app)
,_process(new QProcess)
,_writer(writer)
,_ipcServer(0)
,_bgProcessOutputSocket(0)
,_bgProcessInputSocket(0)
,_earlyCancel(false)
,_processLog()
{
///setup the server used to listen the output of the background process
_ipcServer = new QLocalServer();
QObject::connect(_ipcServer,SIGNAL(newConnection()),this,SLOT(onNewConnectionPending()));
QString serverName;
int randomNumber = std::rand();
{
QTemporaryFile tmpf(NATRON_APPLICATION_NAME "_OUTPUT_PIPE_" + QString::number(randomNumber));
tmpf.open();
serverName = tmpf.fileName();
tmpf.remove();
}
_ipcServer->listen(serverName);
QStringList processArgs;
processArgs << projectPath << "-b" << "-w" << writer->getName().c_str();
processArgs << "--IPCpipe" << (_ipcServer->fullServerName());
///connect the useful slots of the process
QObject::connect(_process,SIGNAL(readyReadStandardOutput()),this,SLOT(onStandardOutputBytesWritten()));
QObject::connect(_process,SIGNAL(readyReadStandardError()),this,SLOT(onStandardErrorBytesWritten()));
QObject::connect(_process,SIGNAL(error(QProcess::ProcessError)),this,SLOT(onProcessError(QProcess::ProcessError)));
QObject::connect(_process,SIGNAL(finished(int,QProcess::ExitStatus)),this,SLOT(onProcessEnd(int,QProcess::ExitStatus)));
///start the process
_processLog.push_back("Starting background rendering: " + QCoreApplication::applicationFilePath());
_processLog.push_back(" ");
for (int i = 0; i < processArgs.size(); ++i) {
_processLog.push_back(processArgs[i] + " ");
}
_process->start(QCoreApplication::applicationFilePath(),processArgs);
}
ProcessHandler::ProcessHandler(const QString & projectPath,
const NodePtr& writer)
: _process(new QProcess)
, _writer(writer)
, _ipcServer(0)
, _bgProcessOutputSocket(0)
, _bgProcessInputSocket(0)
, _earlyCancel(false)
, _processLog()
, _processArgs()
{
///setup the server used to listen the output of the background process
_ipcServer = new QLocalServer();
QObject::connect( _ipcServer, 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);
tmpf.open();
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
}
_ipcServer->listen(tmpFileName);
_processArgs << QString::fromUtf8("-b") << QString::fromUtf8("-w") << QString::fromUtf8( writer->getScriptName_mt_safe().c_str() );
_processArgs << QString::fromUtf8("--IPCpipe") << tmpFileName;
_processArgs << projectPath;
///connect the useful slots of the process
QObject::connect( _process, SIGNAL(readyReadStandardOutput()), this, SLOT(onStandardOutputBytesWritten()) );
QObject::connect( _process, SIGNAL(readyReadStandardError()), this, SLOT(onStandardErrorBytesWritten()) );
QObject::connect( _process, SIGNAL(error(QProcess::ProcessError)), this, SLOT(onProcessError(QProcess::ProcessError)) );
QObject::connect( _process, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(onProcessEnd(int,QProcess::ExitStatus)) );
///start the process
_processLog.push_back( tr("Starting background rendering: %1 %2")
.arg( QCoreApplication::applicationFilePath() )
.arg( _processArgs.join( QString::fromUtf8(" ") ) ) );
}
