mirror of
https://github.com/FairRootGroup/FairMQ.git
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63 lines
1.9 KiB
C++
63 lines
1.9 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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#include <fairmq/Device.h>
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#include <fairmq/runDevice.h>
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#include <string>
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namespace bpo = boost::program_options;
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class Sink : public FairMQDevice
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{
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public:
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Sink()
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: fIterations(0)
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, fCounter(0)
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{
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OnData("data2", &Sink::HandleData);
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}
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void InitTask() override
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{
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fIterations = fConfig->GetValue<uint64_t>("iterations");
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}
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protected:
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bool HandleData(FairMQMessagePtr& msg, int)
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{
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LOG(info) << "Received: \"" << std::string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";
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if (fIterations > 0) {
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++fCounter;
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if (fCounter >= fIterations) {
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LOG(info) << "Received " << fCounter << " messages. Finished.";
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return false;
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}
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}
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// return true if want to be called again (otherwise go to IDLE state)
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return true;
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}
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private:
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uint64_t fIterations;
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uint64_t fCounter;
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};
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void addCustomOptions(bpo::options_description& options)
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{
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options.add_options()(
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"iterations,i",
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bpo::value<uint64_t>()->default_value(1000),
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"Maximum number of iterations of Run/ConditionalRun/OnData (0 - infinite)");
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}
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std::unique_ptr<fair::mq::Device> getDevice(fair::mq::ProgOptions& /*config*/)
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{
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return std::make_unique<Sink>();
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}
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