mirror of
https://github.com/FairRootGroup/FairMQ.git
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58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/********************************************************************************
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* Copyright (C) 2014-2021 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 <memory>
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using namespace std;
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using namespace fair::mq;
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namespace bpo = boost::program_options;
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namespace {
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struct Receiver : Device
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{
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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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}
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void Run() override
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{
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Channel& dataInChannel = GetChannel("sr", 0);
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while (!NewStatePending()) {
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auto msg(dataInChannel.NewMessage());
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dataInChannel.Receive(msg);
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if (fMaxIterations > 0 && ++fNumIterations >= fMaxIterations) {
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LOG(info) << "Configured max 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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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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} // namespace
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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",
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bpo::value<uint64_t>()->default_value(0),
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"Maximum number of iterations of Run/ConditionalRun/OnData (0 - infinite)");
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}
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unique_ptr<Device> getDevice(ProgOptions& /*config*/) { return make_unique<Receiver>(); }
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