126 lines
4.4 KiB
C++
126 lines
4.4 KiB
C++
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2005,2006,2007 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 UDP_L4_PROTOCOL_H
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#define UDP_L4_PROTOCOL_H
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#include <stdint.h>
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#include "ns3/packet.h"
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#include "ns3/ipv4-address.h"
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#include "ns3/ptr.h"
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#include "ipv4-end-point-demux.h"
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#include "ipv4-l4-protocol.h"
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namespace ns3 {
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class Node;
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class Socket;
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class Ipv4Route;
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/**
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* \ingroup udp
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* \brief Implementation of the UDP protocol
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*/
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class UdpL4Protocol : public Ipv4L4Protocol {
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public:
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static TypeId GetTypeId (void);
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static const uint8_t PROT_NUMBER;
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UdpL4Protocol ();
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virtual ~UdpL4Protocol ();
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void SetNode (Ptr<Node> node);
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virtual int GetProtocolNumber (void) const;
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/**
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* \return A smart Socket pointer to a UdpSocket, allocated by this instance
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* of the UDP protocol
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*/
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Ptr<Socket> CreateSocket (void);
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Ipv4EndPoint *Allocate (void);
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Ipv4EndPoint *Allocate (Ipv4Address address);
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Ipv4EndPoint *Allocate (uint16_t port);
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Ipv4EndPoint *Allocate (Ipv4Address address, uint16_t port);
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Ipv4EndPoint *Allocate (Ipv4Address localAddress, uint16_t localPort,
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Ipv4Address peerAddress, uint16_t peerPort);
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void DeAllocate (Ipv4EndPoint *endPoint);
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// called by UdpSocket.
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/**
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* \brief Send a packet via UDP
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* \param packet The packet to send
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* \param saddr The source Ipv4Address
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* \param daddr The destination Ipv4Address
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* \param sport The source port number
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* \param dport The destination port number
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*/
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void Send (Ptr<Packet> packet,
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Ipv4Address saddr, Ipv4Address daddr,
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uint16_t sport, uint16_t dport);
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void Send (Ptr<Packet> packet,
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Ipv4Address saddr, Ipv4Address daddr,
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uint16_t sport, uint16_t dport, Ptr<Ipv4Route> route);
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/**
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* \brief Receive a packet up the protocol stack
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* \param p The Packet to dump the contents into
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* \param source The source's Ipv4Address
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* \param destination The destinations Ipv4Address
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* \param interface the interface from which the packet is coming.
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*/
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// inherited from Ipv4L4Protocol
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virtual enum Ipv4L4Protocol::RxStatus Receive(Ptr<Packet> p,
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Ipv4Address const &source,
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Ipv4Address const &destination,
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Ptr<Ipv4Interface> interface);
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/**
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* \brief Receive an ICMP packet
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* \param icmpSource The IP address of the source of the packet.
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* \param icmpTtl The time to live from the IP header
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* \param icmpType The type of the message from the ICMP header
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* \param icmpCode The message code from the ICMP header
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* \param icmpInfo 32-bit integer carrying informational value of varying semantics.
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* \param payloadSource The IP source addresss from the IP header of the packet
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* \param payloadDestination The IP destination address from the IP header of the packet
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* \param payload Payload of the ICMP packet
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*/
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virtual void ReceiveIcmp (Ipv4Address icmpSource, uint8_t icmpTtl,
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uint8_t icmpType, uint8_t icmpCode, uint32_t icmpInfo,
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Ipv4Address payloadSource,Ipv4Address payloadDestination,
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const uint8_t payload[8]);
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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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Ptr<Node> m_node;
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Ipv4EndPointDemux *m_endPoints;
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};
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}; // namespace ns3
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#endif /* UDP_L4_PROTOCOL_H */
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