FairMQ/fairmq/run/runBinSink.cxx
Alexey Rybalchenko bd79420f93 Condition check before ending the main thread.
Make sure the main thread waits for the child thread with the Run() method.

* Add this at the end of your Run() method for each device:
```
boost::lock_guard<boost::mutex> lock(fRunningMutex);
fRunningFinished = true;
fRunningCondition.notify_one();
```
* Then you must replace the `char ch; cin.get(ch);` in your main() function with:
```
boost::unique_lock<boost::mutex> lock(processor.fRunningMutex);
while (!processor.fRunningFinished)
{
    processor.fRunningCondition.wait(lock);
}
```
2014-09-01 15:26:37 +02:00

118 lines
3.1 KiB
C++

/********************************************************************************
* Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
* *
* This software is distributed under the terms of the *
* GNU Lesser General Public Licence version 3 (LGPL) version 3, *
* copied verbatim in the file "LICENSE" *
********************************************************************************/
/**
* runSink.cxx
*
* @since 2013-01-21
* @author D. Klein, A. Rybalchenko
*/
#include <iostream>
#include <csignal>
#include "FairMQLogger.h"
#include "FairMQBinSink.h"
#ifdef NANOMSG
#include "FairMQTransportFactoryNN.h"
#else
#include "FairMQTransportFactoryZMQ.h"
#endif
using std::cout;
using std::cin;
using std::endl;
using std::stringstream;
FairMQBinSink sink;
static void s_signal_handler(int signal)
{
cout << endl << "Caught signal " << signal << endl;
sink.ChangeState(FairMQBinSink::STOP);
sink.ChangeState(FairMQBinSink::END);
cout << "Shutdown complete. Bye!" << endl;
exit(1);
}
static void s_catch_signals(void)
{
struct sigaction action;
action.sa_handler = s_signal_handler;
action.sa_flags = 0;
sigemptyset(&action.sa_mask);
sigaction(SIGINT, &action, NULL);
sigaction(SIGTERM, &action, NULL);
}
int main(int argc, char** argv)
{
if (argc != 7)
{
cout << "Usage: sink \tID numIoTreads\n"
<< "\t\tinputSocketType inputRcvBufSize inputMethod inputAddress\n" << endl;
return 1;
}
s_catch_signals();
LOG(INFO) << "PID: " << getpid();
#ifdef NANOMSG
FairMQTransportFactory* transportFactory = new FairMQTransportFactoryNN();
#else
FairMQTransportFactory* transportFactory = new FairMQTransportFactoryZMQ();
#endif
sink.SetTransport(transportFactory);
int i = 1;
sink.SetProperty(FairMQBinSink::Id, argv[i]);
++i;
int numIoThreads;
stringstream(argv[i]) >> numIoThreads;
sink.SetProperty(FairMQBinSink::NumIoThreads, numIoThreads);
++i;
sink.SetProperty(FairMQBinSink::NumInputs, 1);
sink.SetProperty(FairMQBinSink::NumOutputs, 0);
sink.ChangeState(FairMQBinSink::INIT);
sink.SetProperty(FairMQBinSink::InputSocketType, argv[i], 0);
++i;
int inputRcvBufSize;
stringstream(argv[i]) >> inputRcvBufSize;
sink.SetProperty(FairMQBinSink::InputRcvBufSize, inputRcvBufSize, 0);
++i;
sink.SetProperty(FairMQBinSink::InputMethod, argv[i], 0);
++i;
sink.SetProperty(FairMQBinSink::InputAddress, argv[i], 0);
++i;
sink.ChangeState(FairMQBinSink::SETOUTPUT);
sink.ChangeState(FairMQBinSink::SETINPUT);
sink.ChangeState(FairMQBinSink::RUN);
// wait until the running thread has finished processing.
boost::unique_lock<boost::mutex> lock(sink.fRunningMutex);
while (!sink.fRunningFinished)
{
sink.fRunningCondition.wait(lock);
}
sink.ChangeState(FairMQBinSink::STOP);
sink.ChangeState(FairMQBinSink::END);
return 0;
}