FairMQ/examples/dds/Sink.cxx
Dennis Klein b53691c8ad Add -i option as exit condition
After -i# iterations sampler and sink will exit RUNNING state.
2019-07-19 14:45:27 +02:00

55 lines
1.5 KiB
C++

/********************************************************************************
* Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
* *
* This software is distributed under the terms of the *
* GNU Lesser General Public Licence (LGPL) version 3, *
* copied verbatim in the file "LICENSE" *
********************************************************************************/
/**
* Sink.cxx
*
* @since 2014-10-10
* @author A. Rybalchenko
*/
#include "Sink.h"
using namespace std;
namespace example_dds
{
Sink::Sink()
{
// register a handler for data arriving on "data2" channel
OnData("data2", &Sink::HandleData);
}
void Sink::InitTask()
{
fIterations = fConfig->GetValue<uint64_t>("iterations");
fCounter = 0;
}
// handler is called whenever a message arrives on "data2", with a reference to the message and a sub-channel index (here 0)
bool Sink::HandleData(FairMQMessagePtr& msg, int /*index*/)
{
LOG(info) << "Received: \"" << string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";
if (fIterations > 0) {
++fCounter;
if (fCounter >= fIterations) {
LOG(info) << "Received " << fCounter << " messages. Finished.";
return false;
}
}
// return true if want to be called again (otherwise go to IDLE state)
return true;
}
Sink::~Sink()
{
}
} // namespace example_dds