rip-header.h

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/*
 * 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 "ipv4-header.h"
 
#include "ns3/header.h"
#include "ns3/ipv4-address.h"
#include "ns3/packet.h"
 
#include <list>
 
namespace ns3
{
 
class RipRte : public Header
{
  public:
    RipRte();
 
    static TypeId GetTypeId();
 
    TypeId GetInstanceTypeId() const override;
 
    void Print(std::ostream& os) const override;
 
    uint32_t GetSerializedSize() const override;
 
    void Serialize(Buffer::Iterator start) const override;
 
    uint32_t Deserialize(Buffer::Iterator start) override;
 
    void SetPrefix(Ipv4Address prefix);
 
    Ipv4Address GetPrefix() const;
 
    void SetSubnetMask(Ipv4Mask subnetMask);
 
    Ipv4Mask GetSubnetMask() const;
 
    void SetRouteTag(uint16_t routeTag);
 
    uint16_t GetRouteTag() const;
 
    void SetRouteMetric(uint32_t routeMetric);
 
    uint32_t GetRouteMetric() const;
 
    void SetNextHop(Ipv4Address nextHop);
 
    Ipv4Address GetNextHop() 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();
 
    static TypeId GetTypeId();
 
    TypeId GetInstanceTypeId() const override;
 
    void Print(std::ostream& os) const override;
 
    uint32_t GetSerializedSize() const override;
 
    void Serialize(Buffer::Iterator start) const override;
 
    uint32_t Deserialize(Buffer::Iterator start) override;
 
    enum Command_e
    {
        REQUEST = 0x1,
        RESPONSE = 0x2,
    };
 
    void SetCommand(Command_e command);
 
    Command_e GetCommand() const;
 
    void AddRte(RipRte rte);
 
    void ClearRtes();
 
    uint16_t GetRteNumber() const;
 
    std::list<RipRte> GetRteList() const;
 
  private:
    uint8_t m_command;           
    std::list<RipRte> m_rteList; 
};
 
std::ostream& operator<<(std::ostream& os, const RipHeader& h);
 
} // namespace ns3
 
#endif /* Rip_HEADER_H */