test_SimpleDataProcessingDevice01.cxx

Go to the documentation of this file.

// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
#include "Framework/DataRefUtils.h"
#include "Framework/AlgorithmSpec.h"
#include "Framework/ControlService.h"
#include "Framework/ServiceRegistry.h"
#include "Framework/RawDeviceService.h"
#include "Framework/runDataProcessing.h"
#include <Monitoring/Monitoring.h>
 
using namespace o2::framework;
 
struct FakeCluster {
  float x;
  float y;
  float z;
  float q;
};
 
struct Summary {
  int inputCount;
  int clustersCount;
};
 
// This is how you can define your processing in a declarative way
std::vector<DataProcessorSpec> defineDataProcessing(ConfigContext const&)
{
  return {
    DataProcessorSpec{
      "simple",
      Inputs{},
      {OutputSpec{"TPC", "CLUSTERS"},
       OutputSpec{"ITS", "CLUSTERS"}},
      adaptStateless([](DataAllocator& outputs, ControlService& control, RawDeviceService& service) {
        service.waitFor(1000);
        // Creates a new message of size 1000 which
        // has "TPC" as data origin and "CLUSTERS" as data description.
        auto& tpcClusters = outputs.make<FakeCluster>(Output{"TPC", "CLUSTERS", 0}, 1000);
        int i = 0;
 
        for (auto& cluster : tpcClusters) {
          assert(i < 1000);
          cluster.x = i;
          cluster.y = i;
          cluster.z = i;
          cluster.q = i;
          i++;
        }
 
        auto& itsClusters = outputs.make<FakeCluster>(Output{"ITS", "CLUSTERS", 0}, 1000);
        i = 0;
        for (auto& cluster : itsClusters) {
          assert(i < 1000);
          cluster.x = i;
          cluster.y = i;
          cluster.z = i;
          cluster.q = i;
          i++;
        }
        control.readyToQuit(QuitRequest::All);
      })}};
}