FileHeader.h

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#ifndef  _MADARA_FILE_HEADER_H_
#define  _MADARA_FILE_HEADER_H_

#include "madara/utility/StdInt.h"
#include "madara/MadaraExport.h"
#include <string.h>

namespace madara
{
  namespace knowledge
  {
    class MADARA_EXPORT FileHeader
    {
    public:
      
      FileHeader ();

      virtual ~FileHeader ();

      static uint32_t encoded_size (void);

      virtual const char * read (const char * buffer,
        int64_t & buffer_remaining);
      
      virtual char * write (char * buffer, int64_t & buffer_remaining);
 
      virtual bool equals (const FileHeader & other);
      
      static inline bool file_header_test (const char * buffer)
      {
        return strncmp (&(buffer[32]), "KaRL", 4) == 0; 
      }

      uint64_t          size;
      
      uint64_t          states;
      
      uint64_t          initial_timestamp;
      
      uint64_t          last_timestamp;
      
      char              file_type[8];

      uint32_t          karl_version;

      char              originator[64];
    };
  }
}


#endif   // _MADARA_FILE_HEADER_H_