/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/IOPool/Streamer/interface/EventMessage.h

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#ifndef IOPool_Streamer_EventMessage_h
#define IOPool_Streamer_EventMessage_h

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

// ----------------------- event message ------------------------

struct EventHeader
{
  Header header_;
  uint8 protocolVersion_;
  char_uint32 run_;
  char_uint32 event_;
  char_uint32 lumi_;
  char_uint32 origDataSize_;
  char_uint32 outModId_;
  char_uint32 droppedEventsCount_;
};

class EventMsgView
{
public:

  EventMsgView(void* buf);

  uint32 code() const { return head_.code(); }
  uint32 size() const { return head_.size(); }

  const uint8* eventData() const { return event_start_; }
  uint8* startAddress() const { return buf_; }
  uint32 eventLength() const { return event_len_; }
  uint32 headerSize() const {return event_start_-buf_;}
  uint32 protocolVersion() const;
  uint32 run() const;
  uint32 event() const;
  uint32 lumi() const;
  uint32 origDataSize() const;
  uint32 outModId() const;
  uint32 droppedEventsCount() const;

  void l1TriggerBits(std::vector<bool>& put_here) const;
  void hltTriggerBits(uint8* put_here) const;

  uint32 hltCount() const {return hlt_bits_count_;}
  uint32 l1Count() const {return l1_bits_count_;}
  uint32 adler32_chksum() const {return adler32_chksum_;}
  std::string hostName() const;
  uint32 hostName_len() const {return host_name_len_;}

private:
  uint8* buf_;
  HeaderView head_;

  uint8* hlt_bits_start_;
  uint32 hlt_bits_count_;
  uint8* l1_bits_start_;
  uint32 l1_bits_count_;
  uint8* event_start_;
  uint32 event_len_;
  uint32 adler32_chksum_;
  uint8* host_name_start_;
  uint32 host_name_len_;
  bool v2Detected_;
};

#endif