raw-debug-workflow.cxx

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// 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 <iostream>
#include "Framework/WorkflowSpec.h"
#include "Framework/DataSpecUtils.h"
#include "Framework/CallbackService.h"
#include "Framework/ControlService.h"
#include "Framework/Task.h"
 
#include "Framework/ConfigParamSpec.h"
#include "Framework/CompletionPolicyHelpers.h"
 
#include "Headers/RAWDataHeader.h"
#include "DetectorsRaw/RDHUtils.h"
#include "DPLUtils/DPLRawParser.h"
 
using namespace o2::framework;
 
void customize(std::vector<ConfigParamSpec>& workflowOptions)
{
  workflowOptions.push_back(ConfigParamSpec{"dataspec", VariantType::String, "TF:MCH/RAWDATA", {"selection string for the input data"}});
}
 
#include "Framework/runDataProcessing.h"
 
using namespace o2;
using namespace o2::framework;
using RDH = o2::header::RDHAny;
 
namespace o2
{
namespace mch
{
namespace raw
{
 
//=======================
// Data parser
class DataParserTask
{
 public:
  DataParserTask(std::string spec) : mInputSpec(spec) {}
 
  //_________________________________________________________________________________________________
  void init(framework::InitContext& ic)
  {
  }
 
  void decodeBuffer(gsl::span<const std::byte> page){};
 
  //_________________________________________________________________________________________________
  void run(framework::ProcessingContext& pc)
  {
    // get the input buffer
    DPLRawParser parser(pc.inputs(), o2::framework::select(mInputSpec.c_str()));
 
    int nRDH = 0;
 
    const std::byte* raw = nullptr;
    for (auto it = parser.begin(), end = parser.end(); it != end; ++it) {
      raw = reinterpret_cast<const std::byte*>(it.raw());
      if (!raw) {
        continue;
      }
 
      auto* rdh = reinterpret_cast<const RDH*>(raw);
 
      if (nRDH == 0) {
        std::cout << std::endl
                  << "---------------" << std::endl;
        o2::raw::RDHUtils::printRDH(rdh);
        //std::cout << "......." << std::endl;
      }
      nRDH += 1;
    }
 
    if (false && raw) {
      auto* rdh = reinterpret_cast<const RDH*>(raw);
      o2::raw::RDHUtils::printRDH(rdh);
    }
    std::cout << "---------------" << std::endl;
  }
 
 private:
  std::string mInputSpec;
};
 
} // namespace raw
} // namespace mch
} // end namespace o2
 
WorkflowSpec defineDataProcessing(const ConfigContext& config)
{
  auto inputSpec = config.options().get<std::string>("dataspec");
 
  WorkflowSpec specs;
 
  o2::mch::raw::DataParserTask task(inputSpec);
  DataProcessorSpec parser{
    "RawParser",
    o2::framework::select(inputSpec.c_str()),
    Outputs{},
    AlgorithmSpec{adaptFromTask<o2::mch::raw::DataParserTask>(std::move(task))},
    Options{}};
 
  specs.push_back(parser);
 
  return specs;
}