Event/RawFile/include/RawFile/raw_ofstream.h

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#ifndef BESIII_RAW_OFSTREAM_H
#define BESIII_RAW_OFSTREAM_H
 
#include "RawFile/RawFileUtil.h"
#include <assert.h>
#include <fstream>
#include <pthread.h>
#include <stdint.h>
#include <string>
 
class raw_ofstream : virtual public std::ofstream {
public:
  static raw_ofstream* instance( const std::string& fname, int run = 0 );
  static void          release();
 
  static void lock() {
    int lstat = pthread_mutex_lock( &_pthread_lock );
    assert( lstat == 0 );
  };
  static void unlock() {
    int lstat = pthread_mutex_unlock( &_pthread_lock );
    assert( lstat == 0 );
  };
 
  int  write_event( const char* pbuf, int size );
  void close();
 
private:
  raw_ofstream( const std::string& fname, int run );
  virtual ~raw_ofstream();
 
  void        init_fstream();
  std::string real_fname();
 
  raw_ofstream(); // stop default
 
private:
  int         m_nevt;
  int         m_nfile;
  std::string m_fname;
 
  FileStartRecord     m_fileStartRecord;
  FileNameStrings     m_fileNameStrings;
  RunParametersRecord m_runParametersRecord;
  DataSeparatorRecord m_dataSeparatorRecord;
  FileEndRecord       m_fileEndRecord;
 
  static int             _nHandler;
  static raw_ofstream*   _instance;
  static pthread_mutex_t _pthread_lock;
};
 
#endif