raw_ifstream.h

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#ifndef BESIII_RAW_IFSTREAM_H
#define BESIII_RAW_IFSTREAM_H
 
#include "RawFile/RawFileUtil.h"
#include <stdint.h>
#include <fstream>
#include <vector>
#include <string>
#include <pthread.h>
#include <assert.h>
 
 
class raw_ifstream : virtual public std::ifstream
{
   public :
 
      static raw_ifstream* instance(const std::vector<std::string>& fnames);
      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 );
      };
 
      std::string currentFile() const { return *m_curFile; }
 
      void next_file();
 
      uint32_t runNo();
 
 
   private :
 
      raw_ifstream(const std::vector<std::string>& fnames);
      virtual ~raw_ifstream();
 
      void init_fstream();
 
      raw_ifstream();  //stop default
 
 
   private :
 
      bool                  m_isOpen;
 
      FileStartRecord       m_fileStartRecord;
      FileNameStrings       m_fileNameStrings;
      RunParametersRecord   m_runParametersRecord;
 
      std::vector<std::string>            m_fnames;
      std::vector<std::string>::iterator  m_curFile;
 
      static int               _nHandler;
      static raw_ifstream*      _instance;
      static pthread_mutex_t   _pthread_lock;
};
 
#endif