110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007-2009 Strasbourg University
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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: Sebastien Vincent <vincent@clarinet.u-strasbg.fr>
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*/
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#ifndef IPV6_L4_PROTOCOL_H
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#define IPV6_L4_PROTOCOL_H
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#include "ns3/object.h"
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#include "ns3/ipv6-header.h"
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namespace ns3
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{
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class Packet;
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class Ipv6Address;
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class Ipv6Interface;
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/**
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* \class Ipv6L4Protocol
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* \brief IPv6 L4 protocol abstract class
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*/
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class Ipv6L4Protocol : public Object
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{
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public:
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/**
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* \enum RxStatus_e
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* \brief Status of receive.
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*/
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enum RxStatus_e
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{
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RX_OK, /**< Receive OK */
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RX_CSUM_FAILED, /**< Checksum of layer 4 protocol failed */
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RX_ENDPOINT_UNREACH /**< Destination unreachable */
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};
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/**
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* \brief Get the type identifier.
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* \return type identifier
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*/
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static TypeId GetTypeId (void);
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/**
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* \brief Destructor.
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*/
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virtual ~Ipv6L4Protocol ();
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/**
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* \brief Get the protocol number.
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* \return protocol number
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*/
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virtual int GetProtocolNumber () const = 0;
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/**
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* \brief Receive method.
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*
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* Called from lower-level layers to send the packet up
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* in the stack.
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* \param p packet to forward up
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* \param src source address of packet received
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* \param dst address of packet received
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* \param incomingInterface the Ipv6Interface on which the packet arrived
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* \return status (OK, destination unreachable or checksum failed)
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*/
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virtual enum RxStatus_e Receive (Ptr<Packet> p, Ipv6Address const &src,
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Ipv6Address const &dst,
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Ptr<Ipv6Interface> incomingInterface) = 0;
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/**
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* \brief ICMPv6 receive method.
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* \param icmpSource the source address of the ICMPv6 message
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* \param icmpTtl the ttl of the ICMPv6 message
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* \param icmpType the 'type' field of the ICMPv6 message
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* \param icmpCode the 'code' field of the ICMPv6 message
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* \param icmpInfo extra information dependent on the ICMPv6 message
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* generated by Icmpv6L4Protocol
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* \param payloadSource the source address of the packet which triggered
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* the ICMPv6 message
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* \param payloadDestination the destination address of the packet which
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* triggered the ICMPv6 message.
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* \param payload the first 8 bytes of the UDP header of the packet
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* which triggered the ICMPv6 message.
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*/
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virtual void ReceiveIcmp (Ipv6Address icmpSource, uint8_t icmpTtl,
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uint8_t icmpType, uint8_t icmpCode, uint32_t icmpInfo,
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Ipv6Address payloadSource, Ipv6Address payloadDestination,
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const uint8_t* payload);
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};
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} /* namespace ns3 */
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#endif /* IPV6_L4_PROTOCOL_H */
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