100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2006 INRIA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#ifndef ARP_L3_PROTOCOL_H
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#define ARP_L3_PROTOCOL_H
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#include <list>
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#include "ns3/ipv4-address.h"
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#include "ns3/address.h"
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#include "ns3/ptr.h"
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#include "ns3/traced-callback.h"
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#include "ipv4-interface.h"
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namespace ns3 {
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class ArpCache;
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class NetDevice;
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class Node;
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class Packet;
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/**
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* \ingroup internetStack
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* \defgroup arp Arp
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*
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* This is an overview of Arp capabilities (write me).
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*/
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/**
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* \ingroup arp
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* \brief An implementation of the ARP protocol
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*/
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class ArpL3Protocol : public Object
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{
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public:
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static TypeId GetTypeId (void);
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static const uint16_t PROT_NUMBER;
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ArpL3Protocol ();
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virtual ~ArpL3Protocol ();
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void SetNode (Ptr<Node> node);
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Ptr<ArpCache> CreateCache (Ptr<NetDevice> device, Ptr<Ipv4Interface> interface);
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/**
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* \brief Receive a packet
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*/
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void Receive(Ptr<NetDevice> device, Ptr<const Packet> p, uint16_t protocol, const Address &from, const Address &to,
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NetDevice::PacketType packetType);
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/**
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* \brief Perform an ARP lookup
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* \param p
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* \param destination
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* \param device
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* \param cache
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* \param hardwareDestination
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* \return
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*/
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bool Lookup (Ptr<Packet> p, Ipv4Address destination,
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Ptr<NetDevice> device,
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Ptr<ArpCache> cache,
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Address *hardwareDestination);
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protected:
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virtual void DoDispose (void);
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/*
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* This function will notify other components connected to the node that a new stack member is now connected
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* This will be used to notify Layer 3 protocol of layer 4 protocol stack to connect them together.
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*/
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virtual void NotifyNewAggregate ();
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private:
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typedef std::list<Ptr<ArpCache> > CacheList;
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Ptr<ArpCache> FindCache (Ptr<NetDevice> device);
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void SendArpRequest (Ptr<const ArpCache>cache, Ipv4Address to);
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void SendArpReply (Ptr<const ArpCache> cache, Ipv4Address toIp, Address toMac);
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CacheList m_cacheList;
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Ptr<Node> m_node;
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TracedCallback<Ptr<const Packet> > m_dropTrace;
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};
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}//namespace ns3
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#endif /* ARP_L3_PROTOCOL_H */
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