FRDEventMessage.h

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#ifndef IOPool_Streamer_FRDEventMessage_h
#define IOPool_Streamer_FRDEventMessage_h

#include "IOPool/Streamer/interface/MsgTools.h"

#include <array>

struct FRDEventHeader_V6 {
  uint16 version_;
  uint16 flags_;
  uint32 run_;
  uint32 lumi_;
  uint32 event_;
  uint32 eventSize_;
  uint32 crc32c_;
};

struct FRDEventHeader_V5 {
  uint32 version_;
  uint32 run_;
  uint32 lumi_;
  uint32 event_;
  uint32 eventSize_;
  uint32 crc32c_;
};

struct FRDEventHeader_V4 {
  uint32 version_;
  uint32 run_;
  uint32 lumi_;
  uint32 eventLow_;
  uint32 eventHigh_;
  uint32 eventSize_;
  uint32 paddingSize_;
  uint32 adler32_;
};

struct FRDEventHeader_V3 {
  uint32 version_;
  uint32 run_;
  uint32 lumi_;
  uint32 event_;
  uint32 eventSize_;
  uint32 paddingSize_;
  uint32 adler32_;
};

struct FRDEventHeader_V2 {
  uint32 version_;
  uint32 run_;
  uint32 lumi_;
  uint32 event_;
};

struct FRDEventHeader_V1 {
  uint32 run_;
  uint32 event_;
};

const uint16 FRDEVENT_MASK_ISGENDATA = 1;

constexpr size_t FRDHeaderMaxVersion = 6;
constexpr std::array<uint32, FRDHeaderMaxVersion + 1> FRDHeaderVersionSize{{0,
                                                                            2 * sizeof(uint32),
                                                                            (4 + 1024) * sizeof(uint32),
                                                                            7 * sizeof(uint32),
                                                                            8 * sizeof(uint32),
                                                                            6 * sizeof(uint32),
                                                                            6 * sizeof(uint32)}};

class FRDEventMsgView {
public:
  FRDEventMsgView(void* buf);

  uint8* startAddress() const { return buf_; }
  void* payload() const { return payload_; }
  uint32 size() const { return size_; }

  uint16 version() const { return version_; }
  uint16 flags() const { return flags_; }
  uint32 run() const { return run_; }
  uint32 lumi() const { return lumi_; }
  uint64 event() const { return event_; }
  uint32 eventSize() const { return eventSize_; }
  uint32 paddingSize() const { return paddingSize_; }
  uint32 adler32() const { return adler32_; }
  uint32 crc32c() const { return crc32c_; }

  bool isRealData() const { return !(flags_ & FRDEVENT_MASK_ISGENDATA); }

private:
  uint8* buf_;
  void* payload_;
  uint32 size_;
  uint16 version_;
  uint16 flags_;
  uint32 run_;
  uint32 lumi_;
  uint64 event_;
  uint32 eventSize_;
  uint32 paddingSize_;
  uint32 adler32_;
  uint32 crc32c_;
};

#endif