/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2009 INRIA

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation;

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

 */

#ifndef SEQ_TS_HEADER_H

#define SEQ_TS_HEADER_H

#include "ns3/header.h"

#include "ns3/nstime.h"

namespace ns3 {

/**

 * \ingroup udpclientserver

 * \class SeqTsHeader

 * \brief Packet header for Udp client/server application

 * The header is made of a 32bits sequence number followed by

 * a 64bits time stamp.

 */

class SeqTsHeader : public Header

{

public:

  SeqTsHeader ();

  /**

   * \param seq the sequence number

   */

  void SetSeq (uint32_t seq);

  /**

   * \return the sequence number

   */

  uint32_t GetSeq (void) const;

  /**

   * \return the time stamp

   */

  Time GetTs (void) const;

  static TypeId GetTypeId (void);

  virtual TypeId GetInstanceTypeId (void) const;

  virtual void Print (std::ostream &os) const;

  virtual uint32_t GetSerializedSize (void) const;

  virtual void Serialize (Buffer::Iterator start) const;

  virtual uint32_t Deserialize (Buffer::Iterator start);

  uint32_t m_seq;

  uint64_t m_ts;

};

} // namespace ns3

#endif /* SEQ_TS_HEADER_H */