FairMQ/examples/MQ/2-sampler-processor-sink/FairMQExample2Sampler.cxx
2018-05-02 16:12:57 +02:00

66 lines
2.0 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" *
********************************************************************************/
/**
* FairMQExample2Sampler.cpp
*
* @since 2014-10-10
* @author A. Rybalchenko
*/
#include <thread> // this_thread::sleep_for
#include <chrono>
#include "FairMQExample2Sampler.h"
#include "FairMQLogger.h"
#include "FairMQProgOptions.h" // device->fConfig
using namespace std;
FairMQExample2Sampler::FairMQExample2Sampler()
: fText()
, fMaxIterations(0)
, fNumIterations(0)
{
}
void FairMQExample2Sampler::InitTask()
{
// Get the fText and fMaxIterations values from the command line options (via fConfig)
fText = fConfig->GetValue<string>("text");
fMaxIterations = fConfig->GetValue<uint64_t>("max-iterations");
}
bool FairMQExample2Sampler::ConditionalRun()
{
// Initializing message with NewStaticMessage will avoid copy
// but won't delete the data after the sending is completed.
FairMQMessagePtr msg(NewStaticMessage(fText));
LOG(INFO) << "Sending \"" << fText << "\"";
// in case of error or transfer interruption, return false to go to IDLE state
// successfull transfer will return number of bytes transfered (can be 0 if sending an empty message).
if (Send(msg, "data1") < 0)
{
return false;
}
else if (fMaxIterations > 0 && ++fNumIterations >= fMaxIterations)
{
LOG(INFO) << "Configured maximum number of iterations reached. Leaving RUNNING state.";
return false;
}
this_thread::sleep_for(chrono::seconds(1));
return true;
}
FairMQExample2Sampler::~FairMQExample2Sampler()
{
}