rip-header.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2016 Universita' di Firenze, Italy
 *
 * 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: Tommaso Pecorella <tommaso.pecorella@unifi.it>
 */
 
#ifndef RIP_HEADER_H
#define RIP_HEADER_H
 
#include <list>
#include "ns3/header.h"
#include "ns3/ipv4-address.h"
#include "ns3/packet.h"
#include "ns3/ipv4-header.h"
 
 
namespace ns3 {
 
class RipRte : public Header
{
public:
  RipRte (void);
 
  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);
 
  void SetPrefix (Ipv4Address prefix);
 
  Ipv4Address GetPrefix (void) const;
 
  void SetSubnetMask (Ipv4Mask subnetMask);
 
  Ipv4Mask GetSubnetMask (void) const;
 
  void SetRouteTag (uint16_t routeTag);
 
  uint16_t GetRouteTag (void) const;
 
  void SetRouteMetric (uint32_t routeMetric);
 
  uint32_t GetRouteMetric (void) const;
 
  void SetNextHop (Ipv4Address nextHop);
 
  Ipv4Address GetNextHop (void) const;
 
 
private:
  uint16_t m_tag; 
  Ipv4Address m_prefix; 
  Ipv4Mask m_subnetMask; 
  Ipv4Address m_nextHop; 
  uint32_t m_metric; 
};
 
std::ostream & operator << (std::ostream & os, const RipRte & h);
 
class RipHeader : public Header
{
public:
  RipHeader (void);
 
  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);
 
  enum Command_e
  {
    REQUEST = 0x1,
    RESPONSE = 0x2,
  };
 
  void SetCommand (Command_e command);
 
  Command_e GetCommand (void) const;
 
  void AddRte (RipRte rte);
 
  void ClearRtes ();
 
  uint16_t GetRteNumber (void) const;
 
  std::list<RipRte> GetRteList (void) const;
 
private:
  uint8_t m_command; 
  std::list<RipRte> m_rteList; 
};
 
std::ostream & operator << (std::ostream & os, const RipHeader & h);
 
}
 
#endif /* Rip_HEADER_H */