mirror of
https://github.com/FairRootGroup/FairMQ.git
synced 2025-10-13 00:31:14 +00:00
71 lines
2.5 KiB
C++
71 lines
2.5 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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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() = default;
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void InitTask() override
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{
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// Get the fMaxIterations value from the command line options (via fConfig)
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fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
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fChannels.at("data").at(0).Transport()->SubscribeToRegionEvents([](FairMQRegionInfo info) {
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LOG(info) << "Region event: " << info.event << ": "
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<< (info.managed ? "managed" : "unmanaged")
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<< ", id: " << info.id
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<< ", ptr: " << info.ptr
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<< ", size: " << info.size
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<< ", flags: " << info.flags;
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});
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}
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void Run() override
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{
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FairMQChannel& dataInChannel = fChannels.at("data").at(0);
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while (!NewStatePending()) {
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FairMQMessagePtr msg(dataInChannel.Transport()->CreateMessage());
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dataInChannel.Receive(msg);
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// void* ptr = msg->GetData();
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// char* cptr = static_cast<char*>(ptr);
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// LOG(info) << "check: " << cptr[3];
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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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break;
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}
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}
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}
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void ResetTask() override
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{
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fChannels.at("data").at(0).Transport()->UnsubscribeFromRegionEvents();
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}
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private:
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uint64_t fMaxIterations = 0;
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uint64_t fNumIterations = 0;
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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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("max-iterations", bpo::value<uint64_t>()->default_value(0), "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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