RawReaderEventSync.h

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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.
 
#ifndef O2_TPC_RAWREADEREVENTSYNC_H_
#define O2_TPC_RAWREADEREVENTSYNC_H_
 
 
#include <map>
#include <utility>
 
namespace o2
{
namespace tpc
{
 
class RawReaderEventSync
{
 public:
  RawReaderEventSync() : mFrames(8), mMaxOffset(){};
 
  RawReaderEventSync(const RawReaderEventSync& other) = default;
 
  ~RawReaderEventSync() = default;
 
  void addEventOffset(int event, long time);
 
  long getEventOffset(int event) { return mMaxOffset[event]; };
 
 private:
  int mFrames;                    
  std::map<int, long> mMaxOffset; 
};
 
inline void RawReaderEventSync::addEventOffset(int event, long time)
{
 
  // set time offset to next multiple of mFrames (+ mFrames)
  const long iTimeOffset = time + (mFrames - (time % mFrames)) + mFrames;
 
  mMaxOffset[event] = std::max(mMaxOffset[event], iTimeOffset);
}
 
} // namespace tpc
} // namespace o2
#endif