FairMQ/fairmq/nanomsg/runNToOneMerger.cxx
2014-02-13 15:55:25 +01:00

123 lines
2.9 KiB
C++

/**
* runNToOneMerger.cxx
*
* @since 2012-12-06
* @author D. Klein, A. Rybalchenko
*/
#include <iostream>
#include <csignal>
#include "FairMQLogger.h"
#include "FairMQMerger.h"
#include "FairMQTransportFactoryNN.h"
using std::cout;
using std::cin;
using std::endl;
using std::stringstream;
FairMQMerger merger;
static void s_signal_handler (int signal)
{
cout << endl << "Caught signal " << signal << endl;
merger.ChangeState(FairMQMerger::STOP);
merger.ChangeState(FairMQMerger::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 < 16 || (argc-8)%4!=0 ) {
cout << "Usage: merger \tID numIoTreads numInputs\n"
<< "\t\tinputSocketType inputRcvBufSize inputMethod inputAddress\n"
<< "\t\tinputSocketType inputRcvBufSize inputMethod inputAddress\n"
<< "\t\t...\n"
<< "\t\toutputSocketType outputSndBufSize outputMethod outputAddress\n"
<< argc << endl;
return 1;
}
s_catch_signals();
LOG(INFO) << "PID: " << getpid();
FairMQTransportFactory* transportFactory = new FairMQTransportFactoryNN();
merger.SetTransport(transportFactory);
int i = 1;
merger.SetProperty(FairMQMerger::Id, argv[i]);
++i;
int numIoThreads;
stringstream(argv[i]) >> numIoThreads;
merger.SetProperty(FairMQMerger::NumIoThreads, numIoThreads);
++i;
int numInputs;
stringstream(argv[i]) >> numInputs;
merger.SetProperty(FairMQMerger::NumInputs, numInputs);
++i;
merger.SetProperty(FairMQMerger::NumOutputs, 1);
merger.ChangeState(FairMQMerger::INIT);
for (int iInput = 0; iInput < numInputs; iInput++ ) {
merger.SetProperty(FairMQMerger::InputSocketType, argv[i], iInput);
++i;
int inputRcvBufSize;
stringstream(argv[i]) >> inputRcvBufSize;
merger.SetProperty(FairMQMerger::InputRcvBufSize, inputRcvBufSize, iInput);
++i;
merger.SetProperty(FairMQMerger::InputMethod, argv[i], iInput);
++i;
merger.SetProperty(FairMQMerger::InputAddress, argv[i], iInput);
++i;
}
merger.SetProperty(FairMQMerger::OutputSocketType, argv[i], 0);
++i;
int outputSndBufSize;
stringstream(argv[i]) >> outputSndBufSize;
merger.SetProperty(FairMQMerger::OutputSndBufSize, outputSndBufSize, 0);
++i;
merger.SetProperty(FairMQMerger::OutputMethod, argv[i], 0);
++i;
merger.SetProperty(FairMQMerger::OutputAddress, argv[i], 0);
++i;
merger.ChangeState(FairMQMerger::SETOUTPUT);
merger.ChangeState(FairMQMerger::SETINPUT);
merger.ChangeState(FairMQMerger::RUN);
char ch;
cin.get(ch);
merger.ChangeState(FairMQMerger::STOP);
merger.ChangeState(FairMQMerger::END);
return 0;
}