/*

 * Copyright (c) 2008,2009 IITP RAS

 *

 * 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: Kirill Andreev <andreev@iitp.ru>

 */

#ifndef RANN_INFORMATION_ELEMENT_H

#define RANN_INFORMATION_ELEMENT_H

#include "ns3/mac48-address.h"

#include "ns3/mesh-information-element-vector.h"

namespace ns3 {

namespace dot11s {

/**

 * \ingroup dot11s

 * \brief See 7.3.2.95 of 802.11s draft 2.07

 */

class IeRann : public WifiInformationElement

{

public:

  IeRann ();

  virtual ~IeRann ();

  void SetFlags (uint8_t flags);

  void SetHopcount (uint8_t hopcount);

  void SetTTL (uint8_t ttl);

  void SetOriginatorAddress (Mac48Address originator_address);

  void SetDestSeqNumber (uint32_t dest_seq_number);

  void SetMetric (uint32_t metric);

  uint8_t GetFlags ();

  uint8_t GetHopcount ();

  uint8_t GetTtl ();

  Mac48Address GetOriginatorAddress ();

  uint32_t GetDestSeqNumber ();

  uint32_t GetMetric ();

  void DecrementTtl ();

  void IncrementMetric (uint32_t metric);

  /**

   * \name Inherited from WifiInformationElement

   * \{

   */

  virtual WifiInformationElementId ElementId () const;

  virtual void SerializeInformationField (Buffer::Iterator i) const;

  virtual uint8_t DeserializeInformationField (Buffer::Iterator start, uint8_t length);

  virtual uint8_t GetInformationFieldSize () const;

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

  ///\}

private:

  uint8_t m_flags;

  uint8_t m_hopcount;

  uint8_t m_ttl;

  Mac48Address m_originatorAddress;

  uint32_t m_destSeqNumber;

  uint32_t m_metric;

  friend bool operator== (const IeRann & a, const IeRann & b);

};

bool operator== (const IeRann & a, const IeRann & b);

std::ostream &operator << (std::ostream &os, const IeRann &rann);

} // namespace dot11s

} //namespace ns3

#endif