void
AppManagerPrivate::initBreakpad(const QString& breakpadPipePath,
const QString& breakpadComPipePath,
int breakpad_client_fd)
{
assert(!breakpadHandler);
createBreakpadHandler(breakpadPipePath, breakpad_client_fd);
/*
We check periodically that the crash reporter process is still alive. If the user killed it somehow, then we want
the Natron process to terminate
*/
breakpadAliveThread = boost::make_shared<ExistenceCheckerThread>(QString::fromUtf8(NATRON_NATRON_TO_BREAKPAD_EXISTENCE_CHECK),
QString::fromUtf8(NATRON_NATRON_TO_BREAKPAD_EXISTENCE_CHECK_ACK),
breakpadComPipePath);
QObject::connect( breakpadAliveThread.get(), SIGNAL(otherProcessUnreachable()), appPTR, SLOT(onCrashReporterNoLongerResponding()) );
breakpadAliveThread->start();
}
void
ExistenceCheckerThread::run()
{
_imp->socket.reset( new QLocalSocket() );
_imp->socket->connectToServer(_imp->comServerPipePath, QLocalSocket::ReadWrite);
if ( !_imp->socket->waitForConnected() ) {
std::cerr << "Failed to connect local socket to " << _imp->comServerPipePath.toStdString() << std::endl;
return;
}
for (;; ) {
{
QMutexLocker k(&_imp->mustQuitMutex);
if (_imp->mustQuit) {
_imp->mustQuit = false;
_imp->mustQuitCond.wakeOne();
return;
}
}
//Sleep until we need to check again
msleep(NATRON_BREAKPAD_CHECK_FOR_CRASH_REPORTER_EXISTENCE_MS);
qint64 writeOK;
{
QString tosend(_imp->checkMessage);
tosend.push_back( QChar::fromLatin1('\n') );
writeOK = _imp->socket->write( tosend.toStdString().c_str() );
}
if (writeOK >= 0) {
_imp->socket->flush();
bool receivedAcknowledgement = false;
while ( _imp->socket->waitForReadyRead(NATRON_BREAKPAD_WAIT_FOR_CRASH_REPORTER_ACK_MS) ) {
//we received something, if it's not the ackknowledgement packet, recheck
QString str = QString::fromUtf8( _imp->socket->readLine() );
while ( str.endsWith( QChar::fromLatin1('\n') ) ) {
str.chop(1);
}
if (str == _imp->acknowledgementMessage) {
receivedAcknowledgement = true;
break;
}
}
if (!receivedAcknowledgement) {
std::cerr << tr("Crash reporter process does not seem to be responding anymore. This pipe %1 might be used somewhere else.").arg(_imp->comServerPipePath).toStdString() << std::endl;
/*
We did not receive te acknowledgement, hence quit
*/
Q_EMIT otherProcessUnreachable();
return;
}
}
} // for(;;)
} // ExistenceCheckerThread::run