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77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
/********************************************************************************
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* Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
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* *
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* This software is distributed under the terms of the *
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* GNU Lesser General Public Licence (LGPL) version 3, *
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* copied verbatim in the file "LICENSE" *
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********************************************************************************/
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/**
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* Sampler.cpp
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*
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* @since 2014-10-10
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* @author A. Rybalchenko
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*/
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#include <thread> // this_thread::sleep_for
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#include <chrono>
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#include "Sampler.h"
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using namespace std;
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namespace example_1_1
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{
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Sampler::Sampler()
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: fText()
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, fMaxIterations(0)
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, fNumIterations(0)
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{
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}
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void Sampler::InitTask()
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{
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// Get the fText and fMaxIterations values from the command line options (via fConfig)
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fText = fConfig->GetValue<string>("text");
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fMaxIterations = fConfig->GetValue<uint64_t>("max-iterations");
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}
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bool Sampler::ConditionalRun()
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{
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// create a copy of the data with new(), that will be deleted after the transfer is complete
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string* text = new string(fText);
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// create message object with a pointer to the data buffer,
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// its size,
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// custom deletion function (called when transfer is done),
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// and pointer to the object managing the data buffer
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FairMQMessagePtr msg(NewMessage(const_cast<char*>(text->c_str()),
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text->length(),
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[](void* /*data*/, void* object) { delete static_cast<string*>(object); },
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text));
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LOG(info) << "Sending \"" << fText << "\"";
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// in case of error or transfer interruption, return false to go to IDLE state
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// successfull transfer will return number of bytes transfered (can be 0 if sending an empty message).
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if (Send(msg, "data") < 0)
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{
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return false;
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}
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else if (fMaxIterations > 0 && ++fNumIterations >= fMaxIterations)
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{
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LOG(info) << "Configured maximum number of iterations reached. Leaving RUNNING state.";
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return false;
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}
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this_thread::sleep_for(chrono::seconds(1));
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return true;
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}
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Sampler::~Sampler()
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{
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}
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} // namespace example_1_1
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