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(" ") ) ) );
}
