text: /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
  /*
   * 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 WIFI_PREP_INFORMATION_ELEMENT_H
  #define WIFI_PREP_INFORMATION_ELEMENT_H
  
  #include "ns3/mac48-address.h"
  #include "ns3/mesh-information-element-vector.h"
  
  namespace ns3 {
  namespace dot11s {
  /**
   * \ingroup dot11s
   * \brief See 7.3.2.97 of 802.11s draft 2.07
   */
  class IePrep : public WifiInformationElement
  {
  public:
    IePrep ();
    ~IePrep ();
    void SetFlags (uint8_t flags);
    void SetHopcount (uint8_t hopcount);
    void SetTtl (uint8_t ttl);
    void SetDestinationAddress (Mac48Address dest_address);
    void SetDestinationSeqNumber (uint32_t dest_seq_number);
    void SetLifetime (uint32_t lifetime);
    void SetMetric (uint32_t metric);
    void SetOriginatorAddress (Mac48Address originator_address);
    void SetOriginatorSeqNumber (uint32_t originator_seq_number);
  
    uint8_t GetFlags () const;
    uint8_t GetHopcount () const;
    uint32_t GetTtl () const;
    Mac48Address GetDestinationAddress () const;
    uint32_t GetDestinationSeqNumber () const;
    uint32_t GetLifetime () const;
    uint32_t GetMetric () const;
    Mac48Address GetOriginatorAddress () const;
    uint32_t GetOriginatorSeqNumber () const;
  
    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_destinationAddress;
    uint32_t m_destSeqNumber;
    uint32_t m_lifetime;
    uint32_t m_metric;
    Mac48Address m_originatorAddress;
    uint32_t m_originatorSeqNumber;
    friend bool operator== (const IePrep & a, const IePrep & b);
  };
  bool operator== (const IePrep & a, const IePrep & b);
  std::ostream &operator << (std::ostream &os, const IePrep &prep);
  } // namespace dot11s
  } // namespace ns3
  #endif
  
  