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83 lines
2.4 KiB
C++
83 lines
2.4 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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#include "Header.h"
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using namespace std;
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namespace example_multipart
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{
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Sampler::Sampler()
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: fMaxIterations(5)
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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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fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
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}
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bool Sampler::ConditionalRun()
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{
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Header header;
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header.stopFlag = 0;
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// Set stopFlag to 1 for last message.
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if (fMaxIterations > 0 && fNumIterations == fMaxIterations - 1) {
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header.stopFlag = 1;
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}
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LOG(info) << "Sending header with stopFlag: " << header.stopFlag;
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FairMQParts parts;
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// NewSimpleMessage creates a copy of the data and takes care of its destruction (after the transfer takes place).
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// Should only be used for small data because of the cost of an additional copy
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parts.AddPart(NewSimpleMessage(header));
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parts.AddPart(NewMessage(1000));
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// create more data parts, testing the FairMQParts in-place constructor
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FairMQParts auxData{ NewMessage(500), NewMessage(600), NewMessage(700) };
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assert(auxData.Size() == 3);
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parts.AddPart(std::move(auxData));
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assert(auxData.Size() == 0);
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assert(parts.Size() == 5);
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parts.AddPart(NewMessage());
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assert(parts.Size() == 6);
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LOG(info) << "Sending body of size: " << parts.At(1)->GetSize();
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Send(parts, "data");
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// Go out of the sending loop if the stopFlag was sent.
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if (fMaxIterations > 0 && ++fNumIterations >= fMaxIterations) {
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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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// Wait a second to keep the output readable.
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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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} // namespace example_multipart
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