raw_ofstream.h

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#ifndef BESIII_RAW_OFSTREAM_H
#define BESIII_RAW_OFSTREAM_H
 
#include "RawFile/RawFileUtil.h"
#include <stdint.h>
#include <fstream>
#include <string>
#include <pthread.h>
#include <assert.h>
 
class raw_ofstream : virtual public std::ofstream
{
   public :
 
      static raw_ofstream* instance(const std::string& fname);
      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);
      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