#ifndef MTAG_BUFFER_H

#define MTAG_BUFFER_H

#include <stdint.h>

namespace ns3 {

class MtagBuffer

{

public:

  MtagBuffer (uint8_t *start, uint8_t *end);

  void TrimAtEnd (uint32_t trim);

  void WriteU8 (uint8_t v);

  void WriteU16 (uint16_t v);

  void WriteU32 (uint32_t v);

  void WriteU64 (uint64_t v);

  uint8_t  ReadU8 (void);

  uint16_t ReadU16 (void);

  uint32_t ReadU32 (void);

  uint64_t ReadU64 (void);

  void CopyFrom (MtagBuffer o);

private:

  uint8_t *m_current;

  uint8_t *m_end;

};

} // namespace ns3

#endif /* MTAG_BUFFER_H */