src/internet-stack/ipv4-l3-protocol.cc
author Tom Henderson <tomh@tomh.org>
Sun, 14 Jun 2009 20:57:52 -0700
changeset 4565 7ce6e331cacb
parent 4563 55948d1baa64
child 4567 32ca321e4fe7
permissions -rw-r--r--
correct a few XXX in the Ipv4L3Protocol class
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// -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*-
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//
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// Copyright (c) 2006 Georgia Tech Research Corporation
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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: George F. Riley<riley@ece.gatech.edu>
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//
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#include "ns3/packet.h"
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#include "ns3/log.h"
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#include "ns3/callback.h"
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#include "ns3/ipv4-address.h"
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#include "ns3/ipv4-route.h"
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#include "ns3/node.h"
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#include "ns3/socket.h"
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#include "ns3/net-device.h"
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#include "ns3/uinteger.h"
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#include "ns3/trace-source-accessor.h"
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#include "ns3/object-vector.h"
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#include "ns3/ipv4-header.h"
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#include "ns3/boolean.h"
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#include "ns3/ipv4-routing-table-entry.h"
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#include "ns3/ipv4-static-routing.h"
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#include "loopback-net-device.h"
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#include "arp-l3-protocol.h"
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#include "ipv4-l3-protocol.h"
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#include "ipv4-l4-protocol.h"
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#include "ipv4-list-routing.h"
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#include "icmpv4-l4-protocol.h"
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#include "ipv4-interface.h"
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#include "ipv4-raw-socket-impl.h"
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NS_LOG_COMPONENT_DEFINE ("Ipv4L3Protocol");
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namespace ns3 {
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const uint16_t Ipv4L3Protocol::PROT_NUMBER = 0x0800;
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NS_OBJECT_ENSURE_REGISTERED (Ipv4L3Protocol);
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TypeId 
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Ipv4L3Protocol::GetTypeId (void)
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{
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  static TypeId tid = TypeId ("ns3::Ipv4L3Protocol")
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    .SetParent<Ipv4> ()
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    .AddConstructor<Ipv4L3Protocol> ()
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    .AddAttribute ("DefaultTtl", "The TTL value set by default on all outgoing packets generated on this node.",
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                   UintegerValue (64),
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                   MakeUintegerAccessor (&Ipv4L3Protocol::m_defaultTtl),
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                   MakeUintegerChecker<uint8_t> ())
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    .AddTraceSource ("Tx", "Send ipv4 packet to outgoing interface.",
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                   MakeTraceSourceAccessor (&Ipv4L3Protocol::m_txTrace))
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    .AddTraceSource ("Rx", "Receive ipv4 packet from incoming interface.",
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                     MakeTraceSourceAccessor (&Ipv4L3Protocol::m_rxTrace))
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    .AddTraceSource ("Drop", "Drop ipv4 packet",
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                     MakeTraceSourceAccessor (&Ipv4L3Protocol::m_dropTrace))
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    .AddAttribute ("InterfaceList", "The set of Ipv4 interfaces associated to this Ipv4 stack.",
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                   ObjectVectorValue (),
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                   MakeObjectVectorAccessor (&Ipv4L3Protocol::m_interfaces),
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                   MakeObjectVectorChecker<Ipv4Interface> ())
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    ;
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  return tid;
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}
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Ipv4L3Protocol::Ipv4L3Protocol()
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  : m_nInterfaces (0),
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    m_identification (0)
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{
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  NS_LOG_FUNCTION_NOARGS ();
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}
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Ipv4L3Protocol::~Ipv4L3Protocol ()
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{
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  NS_LOG_FUNCTION (this);
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}
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void
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Ipv4L3Protocol::Insert(Ptr<Ipv4L4Protocol> protocol)
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{
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  m_protocols.push_back (protocol);
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}
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Ptr<Ipv4L4Protocol>
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Ipv4L3Protocol::GetProtocol(int protocolNumber) const
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{
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  for (L4List_t::const_iterator i = m_protocols.begin(); i != m_protocols.end(); ++i)
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    {
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      if ((*i)->GetProtocolNumber () == protocolNumber)
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	{
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	  return *i;
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	}
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    }
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  return 0;
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}
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void
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Ipv4L3Protocol::Remove (Ptr<Ipv4L4Protocol> protocol)
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{
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  m_protocols.remove (protocol);
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}
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void
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Ipv4L3Protocol::SetNode (Ptr<Node> node)
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{
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  m_node = node;
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  // Add a LoopbackNetDevice if needed, and an Ipv4Interface on top of it
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  SetupLoopback ();
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}
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Ptr<Socket> 
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Ipv4L3Protocol::CreateRawSocket (void)
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{
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  NS_LOG_FUNCTION (this);
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  Ptr<Ipv4RawSocketImpl> socket = CreateObject<Ipv4RawSocketImpl> ();
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  socket->SetNode (m_node);
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  m_sockets.push_back (socket);
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  return socket;
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}
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void 
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Ipv4L3Protocol::DeleteRawSocket (Ptr<Socket> socket)
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{
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  NS_LOG_FUNCTION (this << socket);
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  for (SocketList::iterator i = m_sockets.begin (); i != m_sockets.end (); ++i)
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    {
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      if ((*i) == socket)
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        {
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          m_sockets.erase (i);
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          return;
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        }
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    }
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  return;
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}
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/*
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 * This method is called by AddAgregate and completes the aggregation
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 * by setting the node in the ipv4 stack
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 */
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void
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Ipv4L3Protocol::NotifyNewAggregate ()
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{
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  Ptr<Node>node = this->GetObject<Node>();
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  // verify that it's a valid node and that
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  // the node has not been set before
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  if (node!= 0 && m_node == 0)
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    {
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      this->SetNode (node);
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    }
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  Object::NotifyNewAggregate ();
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}
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void 
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Ipv4L3Protocol::SetRoutingProtocol (Ptr<Ipv4RoutingProtocol> routingProtocol)
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{
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  NS_LOG_FUNCTION (this);
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  m_routingProtocol = routingProtocol;
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  m_routingProtocol->SetIpv4 (this);
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}
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Ptr<Ipv4RoutingProtocol> 
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Ipv4L3Protocol::GetRoutingProtocol (void) const
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{
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  return m_routingProtocol;
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}
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496
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void 
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Ipv4L3Protocol::DoDispose (void)
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{
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  NS_LOG_FUNCTION (this);
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  for (L4List_t::iterator i = m_protocols.begin(); i != m_protocols.end(); ++i)
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    {
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      *i = 0;
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    }
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  m_protocols.clear ();
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  for (Ipv4InterfaceList::iterator i = m_interfaces.begin (); i != m_interfaces.end (); ++i)
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    {
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      *i = 0;
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    }
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  m_interfaces.clear ();
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  m_node = 0;
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  if (m_routingProtocol)
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    {
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      m_routingProtocol->Dispose ();
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      m_routingProtocol = 0;
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    }
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  Object::DoDispose ();
236
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}
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void
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Ipv4L3Protocol::SetupLoopback (void)
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{
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  NS_LOG_FUNCTION_NOARGS ();
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   204
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  Ptr<Ipv4Interface> interface = CreateObject<Ipv4Interface> ();
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  Ptr<LoopbackNetDevice> device = 0;
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   207
  // First check whether an existing LoopbackNetDevice exists on the node
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  for (uint32_t i = 0; i < m_node->GetNDevices (); i++)
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    {
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      if (device = DynamicCast<LoopbackNetDevice> (m_node->GetDevice (i)))
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   211
        {
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   212
          break;
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   213
        }
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   214
    }
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   215
  if (device == 0)
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   216
    {
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      device = CreateObject<LoopbackNetDevice> (); 
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   218
      m_node->AddDevice (device);
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   219
    }
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  interface->SetDevice (device);
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   221
  interface->SetNode (m_node);
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   222
  Ipv4InterfaceAddress ifaceAddr = Ipv4InterfaceAddress (Ipv4Address::GetLoopback (), Ipv4Mask::GetLoopback ());
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  interface->AddAddress (ifaceAddr);
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   224
  uint32_t index = AddIpv4Interface (interface);
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  Ptr<Node> node = GetObject<Node> ();
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   226
  node->RegisterProtocolHandler (MakeCallback (&Ipv4L3Protocol::Receive, this), 
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                                 Ipv4L3Protocol::PROT_NUMBER, device);
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   228
  interface->SetUp ();
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   229
  if (m_routingProtocol != 0)
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   230
    {
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   231
      m_routingProtocol->NotifyInterfaceUp (index);
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   232
    }
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   233
}
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236
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void 
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   236
Ipv4L3Protocol::SetDefaultTtl (uint8_t ttl)
236
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{
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  NS_LOG_FUNCTION_NOARGS ();
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  m_defaultTtl = ttl;
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}
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uint32_t 
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   243
Ipv4L3Protocol::AddInterface (Ptr<NetDevice> device)
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{
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  NS_LOG_FUNCTION (this << &device);
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e661e08c3211 Don't register IPv4 protocol handler for all interfaces, only for IPv4-enabled interfaces.
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  Ptr<Node> node = GetObject<Node> ();
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  node->RegisterProtocolHandler (MakeCallback (&Ipv4L3Protocol::Receive, this), 
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                                 Ipv4L3Protocol::PROT_NUMBER, device);
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   250
  node->RegisterProtocolHandler (MakeCallback (&ArpL3Protocol::Receive, PeekPointer (GetObject<ArpL3Protocol> ())),
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                                 ArpL3Protocol::PROT_NUMBER, device);
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  Ptr<Ipv4Interface> interface = CreateObject<Ipv4Interface> ();
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  interface->SetNode (m_node);
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  interface->SetDevice (device);
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  return AddIpv4Interface (interface);
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}
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uint32_t 
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Ipv4L3Protocol::AddIpv4Interface (Ptr<Ipv4Interface>interface)
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{
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  NS_LOG_FUNCTION (this << interface);
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  uint32_t index = m_nInterfaces;
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  m_interfaces.push_back (interface);
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  m_nInterfaces++;
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  return index;
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}
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Ptr<Ipv4Interface>
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Ipv4L3Protocol::GetInterface (uint32_t index) const
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{
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  NS_LOG_FUNCTION (this << index);
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  uint32_t tmp = 0;
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  for (Ipv4InterfaceList::const_iterator i = m_interfaces.begin (); i != m_interfaces.end (); i++)
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    {
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      if (index == tmp) 
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	{
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	  return *i;
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	}
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      tmp++;
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    }
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  return 0;
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}
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uint32_t 
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Ipv4L3Protocol::GetNInterfaces (void) const
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{
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  NS_LOG_FUNCTION_NOARGS ();
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  return m_nInterfaces;
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}
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int32_t 
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Ipv4L3Protocol::GetInterfaceForAddress (
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  Ipv4Address address) const
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{
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  NS_LOG_FUNCTION (this << address);
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  int32_t interface = 0;
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  for (Ipv4InterfaceList::const_iterator i = m_interfaces.begin (); 
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       i != m_interfaces.end (); 
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       i++, interface++)
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    {
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      for (uint32_t j = 0; j < (*i)->GetNAddresses (); j++)
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        {
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          if ((*i)->GetAddress (j).GetLocal () == address)
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            {
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              return interface;
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            }
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        }
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    }
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  return -1;
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}
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int32_t 
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Ipv4L3Protocol::GetInterfaceForPrefix (
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  Ipv4Address address, 
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  Ipv4Mask mask) const
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{
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  NS_LOG_FUNCTION (this << address << mask);
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  int32_t interface = 0;
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  for (Ipv4InterfaceList::const_iterator i = m_interfaces.begin (); 
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       i != m_interfaces.end (); 
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       i++, interface++)
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    {
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      for (uint32_t j = 0; j < (*i)->GetNAddresses (); j++)
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        {
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          if ((*i)->GetAddress (j).GetLocal ().CombineMask (mask) == address.CombineMask (mask))
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            {
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              return interface;
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   332
            }
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        }
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    }
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  return -1;
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}
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int32_t 
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Ipv4L3Protocol::GetInterfaceForDevice (
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  Ptr<const NetDevice> device) const
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{
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  NS_LOG_FUNCTION (this << device->GetIfIndex());
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  int32_t interface = 0;
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  for (Ipv4InterfaceList::const_iterator i = m_interfaces.begin (); 
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       i != m_interfaces.end (); 
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       i++, interface++)
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    {
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      if ((*i)->GetDevice () == device)
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        {
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          return interface;
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        }
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   354
    }
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  return -1;
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   357
}
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236
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void 
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   360
Ipv4L3Protocol::Receive( Ptr<NetDevice> device, Ptr<const Packet> p, uint16_t protocol, const Address &from,
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                         const Address &to, NetDevice::PacketType packetType)
236
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{
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   363
  NS_LOG_FUNCTION (this << &device << p << protocol <<  from);
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   364
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  NS_LOG_LOGIC ("Packet from " << from << " received on node " << 
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    m_node->GetId ());
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   367
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  uint32_t interface = 0;
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  Ptr<Packet> packet = p->Copy ();
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  Ptr<Ipv4Interface> ipv4Interface;
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  for (Ipv4InterfaceList::const_iterator i = m_interfaces.begin (); 
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       i != m_interfaces.end (); 
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       i++)
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    {
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Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 1504
diff changeset
   376
      ipv4Interface = *i;
3ead2b66f2e4 Fix a regression in handling of broadcast packets and UDP sockets (closes bug #51).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 1504
diff changeset
   377
      if (ipv4Interface->GetDevice () == device)
457
a468fac09924 add context information to tx and rx trace callbacks
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   378
        {
3958
7658bcc28d8d Drop packets in Ipv4L3Protocol::Receive if interface is down
Tom Henderson <tomh@tomh.org>
parents: 3956
diff changeset
   379
          if (ipv4Interface->IsUp ())
7658bcc28d8d Drop packets in Ipv4L3Protocol::Receive if interface is down
Tom Henderson <tomh@tomh.org>
parents: 3956
diff changeset
   380
            {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   381
              m_rxTrace (packet, interface);
3958
7658bcc28d8d Drop packets in Ipv4L3Protocol::Receive if interface is down
Tom Henderson <tomh@tomh.org>
parents: 3956
diff changeset
   382
              break;
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   383
            }
3958
7658bcc28d8d Drop packets in Ipv4L3Protocol::Receive if interface is down
Tom Henderson <tomh@tomh.org>
parents: 3956
diff changeset
   384
          else
7658bcc28d8d Drop packets in Ipv4L3Protocol::Receive if interface is down
Tom Henderson <tomh@tomh.org>
parents: 3956
diff changeset
   385
            {
7658bcc28d8d Drop packets in Ipv4L3Protocol::Receive if interface is down
Tom Henderson <tomh@tomh.org>
parents: 3956
diff changeset
   386
              NS_LOG_LOGIC ("Dropping received packet-- interface is down");
7658bcc28d8d Drop packets in Ipv4L3Protocol::Receive if interface is down
Tom Henderson <tomh@tomh.org>
parents: 3956
diff changeset
   387
              m_dropTrace (packet);
7658bcc28d8d Drop packets in Ipv4L3Protocol::Receive if interface is down
Tom Henderson <tomh@tomh.org>
parents: 3956
diff changeset
   388
              return;
7658bcc28d8d Drop packets in Ipv4L3Protocol::Receive if interface is down
Tom Henderson <tomh@tomh.org>
parents: 3956
diff changeset
   389
            }
457
a468fac09924 add context information to tx and rx trace callbacks
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   390
        }
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   391
      interface++;
457
a468fac09924 add context information to tx and rx trace callbacks
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   392
    }
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   393
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   394
  Ipv4Header ipHeader;
4558
31e9053749bb bug 491: It is painful to enable all checksums
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 4502
diff changeset
   395
  if (Node::ChecksumEnabled ())
3235
c2f34dac1b9e add support for attribtues to bug 34
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3216
diff changeset
   396
    {
c2f34dac1b9e add support for attribtues to bug 34
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3216
diff changeset
   397
      ipHeader.EnableChecksum ();
c2f34dac1b9e add support for attribtues to bug 34
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3216
diff changeset
   398
    }
1866
e7dbcc4df546 do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1524
diff changeset
   399
  packet->RemoveHeader (ipHeader);
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   400
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   401
  if (!ipHeader.IsChecksumOk ()) 
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   402
    {
3235
c2f34dac1b9e add support for attribtues to bug 34
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3216
diff changeset
   403
      m_dropTrace (packet);
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   404
      return;
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   405
    }
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   406
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   407
  for (SocketList::iterator i = m_sockets.begin (); i != m_sockets.end (); ++i)
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   408
    {
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   409
      Ptr<Ipv4RawSocketImpl> socket = *i;
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   410
      socket->ForwardUp (packet, ipHeader, device);
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   411
    }
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   412
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   413
  m_routingProtocol->RouteInput (packet, ipHeader, device, 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   414
    MakeCallback (&Ipv4L3Protocol::IpForward, this),
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   415
    MakeCallback (&Ipv4L3Protocol::IpMulticastForward, this),
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   416
    MakeCallback (&Ipv4L3Protocol::LocalDeliver, this),
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   417
    MakeNullCallback <void, Ptr<const Packet>, const Ipv4Header &> ()
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   418
  );
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   419
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   420
}
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   421
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   422
Ptr<Icmpv4L4Protocol> 
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   423
Ipv4L3Protocol::GetIcmp (void) const
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   424
{
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   425
  Ptr<Ipv4L4Protocol> prot = GetProtocol (Icmpv4L4Protocol::GetStaticProtocolNumber ());
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   426
  if (prot != 0)
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   427
    {
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   428
      return prot->GetObject<Icmpv4L4Protocol> ();
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   429
    }
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   430
  else
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   431
    {
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   432
      return 0;
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   433
    }
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   434
}
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   435
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   436
bool
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   437
Ipv4L3Protocol::IsUnicast (Ipv4Address ad, Ipv4Mask interfaceMask) const
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   438
{
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   439
  return !ad.IsMulticast () && !ad.IsSubnetDirectedBroadcast (interfaceMask);
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   440
}
983
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   441
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   442
void 
1866
e7dbcc4df546 do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1524
diff changeset
   443
Ipv4L3Protocol::Send (Ptr<Packet> packet, 
457
a468fac09924 add context information to tx and rx trace callbacks
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   444
            Ipv4Address source, 
a468fac09924 add context information to tx and rx trace callbacks
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   445
            Ipv4Address destination,
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   446
            uint8_t protocol,
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   447
            Ptr<Ipv4Route> route)
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   448
{
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   449
  NS_LOG_FUNCTION (this << packet << source << destination << uint32_t(protocol) << route);
1429
31cb0668defd debug prints to make validation easier
Craig Dowell <craigdo@ee.washington.edu>
parents: 1428
diff changeset
   450
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   451
  Ipv4Header ipHeader;
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   452
  bool mayFragment = true;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   453
  uint8_t ttl = m_defaultTtl;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   454
  SocketIpTtlTag tag;
4502
07d34c0d8d18 new tags
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 4481
diff changeset
   455
  bool found = packet->RemovePacketTag (tag);
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   456
  if (found)
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   457
    {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   458
      ttl = tag.GetTtl ();
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   459
    }
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   460
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   461
  // Handle a few cases:
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   462
  // 1) packet is destined to limited broadcast address
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   463
  // 2) packet is destined to a subnet-directed broadcast address
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   464
  // 3) packet is not broadcast, and is passed in with a route entry
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   465
  // 4) packet is not broadcast, and is passed in with a route entry but route->GetGateway is not set (e.g., on-demand)
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   466
  // 5) packet is not broadcast, and route is NULL (e.g., a raw socket call, or ICMP)
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   467
  
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   468
  // 1) packet is destined to limited broadcast address
3124
473e59b5e141 Implement IPTTL socket option for UDP
Tom Henderson <tomh@tomh.org>
parents: 2989
diff changeset
   469
  if (destination.IsBroadcast ()) 
473e59b5e141 Implement IPTTL socket option for UDP
Tom Henderson <tomh@tomh.org>
parents: 2989
diff changeset
   470
    {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   471
      NS_LOG_LOGIC ("Ipv4L3Protocol::Send case 1:  limited broadcast");
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   472
      ttl = 1;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   473
      ipHeader = BuildHeader (source, destination, protocol, packet->GetSize (), ttl, mayFragment);
983
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   474
      uint32_t ifaceIndex = 0;
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   475
      for (Ipv4InterfaceList::iterator ifaceIter = m_interfaces.begin ();
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   476
           ifaceIter != m_interfaces.end (); ifaceIter++, ifaceIndex++)
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   477
        {
1341
f685d4bf320f use the Object::GetTraceResolver tracing support rather than the old adhoc tracing code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1333
diff changeset
   478
          Ptr<Ipv4Interface> outInterface = *ifaceIter;
1866
e7dbcc4df546 do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1524
diff changeset
   479
          Ptr<Packet> packetCopy = packet->Copy ();
1308
5c5937a4150d backout 9856d1175cbb:642d6798feaa:27dd3e15308a
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1303
diff changeset
   480
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   481
          NS_ASSERT (packetCopy->GetSize () <= outInterface->GetMtu ());
1866
e7dbcc4df546 do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1524
diff changeset
   482
          packetCopy->AddHeader (ipHeader);
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   483
          m_txTrace (packetCopy, ifaceIndex);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   484
          outInterface->Send (packetCopy, destination);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   485
        }
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   486
      return;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   487
    }
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   488
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   489
  // 2) check: packet is destined to a subnet-directed broadcast address
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   490
  uint32_t ifaceIndex = 0;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   491
  for (Ipv4InterfaceList::iterator ifaceIter = m_interfaces.begin ();
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   492
    ifaceIter != m_interfaces.end (); ifaceIter++, ifaceIndex++)
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   493
    {
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   494
      Ptr<Ipv4Interface> outInterface = *ifaceIter;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   495
      for (uint32_t j = 0; j < GetNAddresses (ifaceIndex); j++)
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   496
        {
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   497
          Ipv4InterfaceAddress ifAddr = GetAddress (ifaceIndex, j);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   498
          NS_LOG_LOGIC ("Testing address " << ifAddr.GetLocal () << " with mask " << ifAddr.GetMask ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   499
          if (destination.IsSubnetDirectedBroadcast (ifAddr.GetMask ()) && 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   500
              destination.CombineMask (ifAddr.GetMask ()) == ifAddr.GetLocal ().CombineMask (ifAddr.GetMask ())   )  
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   501
            {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   502
              NS_LOG_LOGIC ("Ipv4L3Protocol::Send case 2:  subnet directed bcast to " << ifAddr.GetLocal ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   503
              ttl = 1;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   504
              ipHeader = BuildHeader (source, destination, protocol, packet->GetSize (), ttl, mayFragment);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   505
              Ptr<Packet> packetCopy = packet->Copy ();
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   506
              packetCopy->AddHeader (ipHeader);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   507
              m_txTrace (packetCopy, ifaceIndex);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   508
              outInterface->Send (packetCopy, destination);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   509
              return;
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   510
            }
983
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   511
        }
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   512
    }
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   513
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   514
  // 3) packet is not broadcast, and is passed in with a route entry
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   515
  //    with a valid Ipv4Address as the gateway
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   516
  if (route && route->GetGateway () != Ipv4Address ())
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   517
    {
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   518
      NS_LOG_LOGIC ("Ipv4L3Protocol::Send case 3:  passed in with route");
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   519
      ipHeader = BuildHeader (source, destination, protocol, packet->GetSize (), ttl, mayFragment);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   520
      SendRealOut (route, packet, ipHeader);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   521
      return; 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   522
    } 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   523
  // 4) packet is not broadcast, and is passed in with a route entry but route->GetGateway is not set (e.g., on-demand)
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   524
  if (route && route->GetGateway () != Ipv4Address ())
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   525
    {
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   526
      // This could arise because the synchronous RouteOutput() call
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   527
      // returned to the transport protocol with a source address but
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   528
      // there was no next hop available yet (since a route may need
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   529
      // to be queried).  So, call asynchronous version of RouteOutput?
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   530
      NS_FATAL_ERROR("XXX This case not yet implemented");
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   531
    }
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   532
  // 5) packet is not broadcast, and route is NULL (e.g., a raw socket call)
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   533
  NS_LOG_LOGIC ("Ipv4L3Protocol::Send case 4:  passed in with no route " << destination);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   534
  Socket::SocketErrno errno; 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   535
  uint32_t oif = 0; // unused for now
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   536
  ipHeader = BuildHeader (source, destination, protocol, packet->GetSize (), ttl, mayFragment);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   537
  Ptr<Ipv4Route> newRoute = m_routingProtocol->RouteOutput (ipHeader, oif, errno);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   538
  if (newRoute)
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   539
    {
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   540
      SendRealOut (newRoute, packet, ipHeader);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   541
    }
983
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   542
  else
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   543
    {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   544
      NS_LOG_WARN ("No route to host.  Drop.");
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   545
      m_dropTrace (packet);
983
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   546
    }
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   547
}
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   548
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   549
// XXX when should we set ip_id?   check whether we are incrementing
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   550
// m_identification on packets that may later be dropped in this stack
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   551
// and whether that deviates from Linux
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   552
Ipv4Header
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   553
Ipv4L3Protocol::BuildHeader (
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   554
            Ipv4Address source, 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   555
            Ipv4Address destination,
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   556
            uint8_t protocol,
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   557
            uint16_t payloadSize,
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   558
            uint8_t ttl,
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   559
            bool mayFragment)
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   560
{
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   561
  NS_LOG_FUNCTION_NOARGS ();
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   562
  Ipv4Header ipHeader;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   563
  ipHeader.SetSource (source);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   564
  ipHeader.SetDestination (destination);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   565
  ipHeader.SetProtocol (protocol);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   566
  ipHeader.SetPayloadSize (payloadSize);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   567
  ipHeader.SetTtl (ttl);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   568
  if (mayFragment == true)
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   569
    {
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   570
      ipHeader.SetMayFragment ();
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   571
      ipHeader.SetIdentification (m_identification);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   572
      m_identification ++;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   573
    }
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   574
  else
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   575
    {
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   576
      ipHeader.SetDontFragment ();
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   577
      // TBD:  set to zero here; will cause traces to change
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   578
      ipHeader.SetIdentification (m_identification);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   579
      m_identification ++;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   580
    }
4558
31e9053749bb bug 491: It is painful to enable all checksums
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 4502
diff changeset
   581
  if (Node::ChecksumEnabled ())
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   582
    {
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   583
      ipHeader.EnableChecksum ();
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   584
    }
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   585
  return ipHeader;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   586
}
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   587
983
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   588
void
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   589
Ipv4L3Protocol::SendRealOut (Ptr<Ipv4Route> route,
1866
e7dbcc4df546 do not use Packet objects directly. Use Ptr<Packet> instead
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1524
diff changeset
   590
                             Ptr<Packet> packet,
983
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   591
                             Ipv4Header const &ipHeader)
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   592
{
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   593
  NS_LOG_FUNCTION (this << packet << &ipHeader);
1429
31cb0668defd debug prints to make validation easier
Craig Dowell <craigdo@ee.washington.edu>
parents: 1428
diff changeset
   594
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   595
  // We add a header regardless of whether there is a route, since 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   596
  // we may want to drop trace
2325
084b07dceafb Add the IPv4 header before deciding whether to drop packets. Closes bug #135.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 2324
diff changeset
   597
  packet->AddHeader (ipHeader);
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   598
  if (route == 0)
983
47c42bd66fb7 Support dynamic routing and multiple routing protocols; static routing table is refactored as a "routing protocol".
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 979
diff changeset
   599
    {
1504
36ecc970ba96 checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents: 1451
diff changeset
   600
      NS_LOG_WARN ("No route to host.  Drop.");
345
47b41507a45a move channel.cc channel.h to node directory; merge ns-3-tracing from mathieu
Tom Henderson <tomh@tomh.org>
parents: 293
diff changeset
   601
      m_dropTrace (packet);
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   602
      return;
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   603
    }
1430
25fa26a6533e many debug prints
Craig Dowell <craigdo@ee.washington.edu>
parents: 1429
diff changeset
   604
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   605
  Ptr<NetDevice> outDev = route->GetOutputDevice ();
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   606
  int32_t interface = GetInterfaceForDevice (outDev);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   607
  NS_ASSERT (interface >= 0);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   608
  Ptr<Ipv4Interface> outInterface = GetInterface (interface);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   609
  NS_LOG_LOGIC ("Send via NetDevice ifIndex " << outDev->GetIfIndex () << " ipv4InterfaceIndex " << interface);
1430
25fa26a6533e many debug prints
Craig Dowell <craigdo@ee.washington.edu>
parents: 1429
diff changeset
   610
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   611
  NS_ASSERT (packet->GetSize () <= outInterface->GetMtu ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   612
  if (!route->GetGateway ().IsEqual (Ipv4Address ("0.0.0.0"))) 
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   613
    {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   614
      if (outInterface->IsUp ())
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   615
        {
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   616
          NS_LOG_LOGIC ("Send to gateway " << route->GetGateway ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   617
          m_txTrace (packet, interface);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   618
          outInterface->Send (packet, route->GetGateway ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   619
        }
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   620
      else
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   621
        {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   622
          NS_LOG_LOGIC ("Dropping-- outgoing interface is down: " << route->GetGateway ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   623
          m_dropTrace (packet);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   624
        }
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   625
    } 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   626
  else 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   627
    {
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   628
      if (outInterface->IsUp ())
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   629
        {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   630
          NS_LOG_LOGIC ("Send to destination " << ipHeader.GetDestination ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   631
          m_txTrace (packet, interface);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   632
          outInterface->Send (packet, ipHeader.GetDestination ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   633
        }
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   634
      else
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   635
        {
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   636
          NS_LOG_LOGIC ("Dropping-- outgoing interface is down: " << ipHeader.GetDestination ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   637
          m_dropTrace (packet);
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   638
        }
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   639
    }
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   640
}
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   641
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   642
// This function analogous to Linux ip_mr_forward()
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   643
void
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   644
Ipv4L3Protocol::IpMulticastForward (Ptr<Ipv4MulticastRoute> mrtentry, Ptr<const Packet> p, const Ipv4Header &header)
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   645
{
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   646
  NS_LOG_FUNCTION (mrtentry << p << header);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   647
  NS_LOG_LOGIC ("Multicast forwarding logic for node: " << m_node->GetId ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   648
  // The output interfaces we could forward this onto are encoded
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   649
  // in the OutputTtl of the Ipv4MulticastRoute
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   650
  for (uint32_t i = 0; i < Ipv4MulticastRoute::MAX_INTERFACES; i++)
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   651
    {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   652
      if (mrtentry->GetOutputTtl (i) < Ipv4MulticastRoute::MAX_TTL)
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   653
        {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   654
          Ptr<Packet> packet = p->Copy ();
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   655
          Ipv4Header h = header;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   656
          h.SetTtl (header.GetTtl () - 1);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   657
          if (h.GetTtl () == 0)
4375
db81fdcb06e7 Implementation cut over to use Ipv4InterfaceAddress
Tom Henderson <tomh@tomh.org>
parents: 4373
diff changeset
   658
            {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   659
              NS_LOG_WARN ("TTL exceeded.  Drop.");
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   660
              m_dropTrace (packet);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   661
              return;
4375
db81fdcb06e7 Implementation cut over to use Ipv4InterfaceAddress
Tom Henderson <tomh@tomh.org>
parents: 4373
diff changeset
   662
            }
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   663
          NS_LOG_LOGIC ("Forward multicast via interface " << i);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   664
          Ptr<Ipv4Route> rtentry = Create<Ipv4Route> ();
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   665
          rtentry->SetSource (h.GetSource ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   666
          rtentry->SetDestination (h.GetDestination ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   667
          rtentry->SetGateway (Ipv4Address::GetAny ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   668
          rtentry->SetOutputDevice (GetNetDevice (i));
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   669
          SendRealOut (rtentry, packet, h);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   670
          return; 
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   671
        }
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   672
    }
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   673
}
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   674
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   675
// This function analogous to Linux ip_forward()
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   676
void
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   677
Ipv4L3Protocol::IpForward (Ptr<Ipv4Route> rtentry, Ptr<const Packet> p, const Ipv4Header &header)
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   678
{
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   679
  NS_LOG_FUNCTION (rtentry << p << header);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   680
  NS_LOG_LOGIC ("Forwarding logic for node: " << m_node->GetId ());
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   681
  // Forwarding
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   682
  Ipv4Header ipHeader = header;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   683
  Ptr<Packet> packet = p->Copy ();
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   684
  ipHeader.SetTtl (ipHeader.GetTtl () - 1);
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   685
  if (ipHeader.GetTtl () == 0)
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   686
    {
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   687
      Ptr<NetDevice> outDev = rtentry->GetOutputDevice ();
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   688
      int32_t interface = GetInterfaceForDevice (outDev);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   689
      NS_ASSERT (interface >= 0);
4565
7ce6e331cacb correct a few XXX in the Ipv4L3Protocol class
Tom Henderson <tomh@tomh.org>
parents: 4563
diff changeset
   690
      // XXX No check here for possibly multiple addresses on this interface
4375
db81fdcb06e7 Implementation cut over to use Ipv4InterfaceAddress
Tom Henderson <tomh@tomh.org>
parents: 4373
diff changeset
   691
      if (IsUnicast (ipHeader.GetDestination (), GetInterface (interface)->GetAddress (0).GetMask ()))
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   692
        {
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   693
          Ptr<Icmpv4L4Protocol> icmp = GetIcmp ();
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   694
          icmp->SendTimeExceededTtl (ipHeader, packet);
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   695
        }
3956
0339a8ad5983 Bug 400: allow /32 addresses to be used on IPv4 interfaces
Tom Henderson <tomh@tomh.org>
parents: 3877
diff changeset
   696
      NS_LOG_WARN ("TTL exceeded.  Drop.");
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   697
      m_dropTrace (packet);
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   698
      return;
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   699
    }
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   700
  SendRealOut (rtentry, packet, ipHeader);
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   701
}
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   702
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   703
void
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   704
Ipv4L3Protocol::LocalDeliver (Ptr<const Packet> packet, Ipv4Header const&ip, uint32_t iif)
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   705
{
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   706
  NS_LOG_FUNCTION (this << packet << &ip);
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   707
  Ptr<Packet> p = packet->Copy (); // need to pass a non-const packet up
1504
36ecc970ba96 checkpoint debug to log
Craig Dowell <craigdo@ee.washington.edu>
parents: 1451
diff changeset
   708
3588
ad0a36bfdb62 bug 282: remove Ipv4L4Demux
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 3548
diff changeset
   709
  Ptr<Ipv4L4Protocol> protocol = GetProtocol (ip.GetProtocol ());
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   710
  if (protocol != 0)
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   711
    {
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   712
      // we need to make a copy in the unlikely event we hit the
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   713
      // RX_ENDPOINT_UNREACH codepath
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   714
      Ptr<Packet> copy = p->Copy ();
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   715
      enum Ipv4L4Protocol::RxStatus status = 
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   716
        protocol->Receive (p, ip.GetSource (), ip.GetDestination (), GetInterface (iif));
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   717
      switch (status) {
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   718
      case Ipv4L4Protocol::RX_OK:
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   719
        // fall through
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   720
      case Ipv4L4Protocol::RX_CSUM_FAILED:
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   721
        break;
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   722
      case Ipv4L4Protocol::RX_ENDPOINT_UNREACH:
4565
7ce6e331cacb correct a few XXX in the Ipv4L3Protocol class
Tom Henderson <tomh@tomh.org>
parents: 4563
diff changeset
   723
        // XXX handle possibly multiple IP addresses on the interface
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   724
        if (IsUnicast (ip.GetDestination (), GetInterface (iif)->GetAddress (0).GetMask ()))
3820
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   725
          {
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   726
            GetIcmp ()->SendDestUnreachPort (ip, copy);
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   727
          }
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   728
        break;
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   729
      }
c04ecfdce1ef apply icmp patch
Craig Dowell <craigdo@ee.washington.edu>
parents: 3744
diff changeset
   730
    }
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   731
}
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   732
4563
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   733
bool
4373
e493e80274bd implementation and plumbing of Ipv4InterfaceAddress class
Tom Henderson <tomh@tomh.org>
parents: 4372
diff changeset
   734
Ipv4L3Protocol::AddAddress (uint32_t i, Ipv4InterfaceAddress address)
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   735
{
2983
e3a416fe9dd5 NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2977
diff changeset
   736
  NS_LOG_FUNCTION (this << i << address);
1341
f685d4bf320f use the Object::GetTraceResolver tracing support rather than the old adhoc tracing code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1333
diff changeset
   737
  Ptr<Ipv4Interface> interface = GetInterface (i);
4563
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   738
  bool retVal = interface->AddAddress (address);
4560
2f106fd728ab Remove static routing dependencies in code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 4558
diff changeset
   739
  if (m_routingProtocol != 0)
2f106fd728ab Remove static routing dependencies in code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 4558
diff changeset
   740
    {
2f106fd728ab Remove static routing dependencies in code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 4558
diff changeset
   741
      m_routingProtocol->NotifyAddAddress (i, address);
2f106fd728ab Remove static routing dependencies in code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 4558
diff changeset
   742
    }
4563
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   743
  return retVal;
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   744
}
1429
31cb0668defd debug prints to make validation easier
Craig Dowell <craigdo@ee.washington.edu>
parents: 1428
diff changeset
   745
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   746
Ipv4InterfaceAddress 
4373
e493e80274bd implementation and plumbing of Ipv4InterfaceAddress class
Tom Henderson <tomh@tomh.org>
parents: 4372
diff changeset
   747
Ipv4L3Protocol::GetAddress (uint32_t interfaceIndex, uint32_t addressIndex) const
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   748
{
4373
e493e80274bd implementation and plumbing of Ipv4InterfaceAddress class
Tom Henderson <tomh@tomh.org>
parents: 4372
diff changeset
   749
  NS_LOG_FUNCTION (this << interfaceIndex << addressIndex);
e493e80274bd implementation and plumbing of Ipv4InterfaceAddress class
Tom Henderson <tomh@tomh.org>
parents: 4372
diff changeset
   750
  Ptr<Ipv4Interface> interface = GetInterface (interfaceIndex);
e493e80274bd implementation and plumbing of Ipv4InterfaceAddress class
Tom Henderson <tomh@tomh.org>
parents: 4372
diff changeset
   751
  return interface->GetAddress (addressIndex);
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   752
}
1429
31cb0668defd debug prints to make validation easier
Craig Dowell <craigdo@ee.washington.edu>
parents: 1428
diff changeset
   753
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   754
uint32_t 
4373
e493e80274bd implementation and plumbing of Ipv4InterfaceAddress class
Tom Henderson <tomh@tomh.org>
parents: 4372
diff changeset
   755
Ipv4L3Protocol::GetNAddresses (uint32_t interface) const
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   756
{
4373
e493e80274bd implementation and plumbing of Ipv4InterfaceAddress class
Tom Henderson <tomh@tomh.org>
parents: 4372
diff changeset
   757
  NS_LOG_FUNCTION (this << interface);
e493e80274bd implementation and plumbing of Ipv4InterfaceAddress class
Tom Henderson <tomh@tomh.org>
parents: 4372
diff changeset
   758
  Ptr<Ipv4Interface> iface = GetInterface (interface);
e493e80274bd implementation and plumbing of Ipv4InterfaceAddress class
Tom Henderson <tomh@tomh.org>
parents: 4372
diff changeset
   759
  return iface->GetNAddresses ();
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   760
}
1429
31cb0668defd debug prints to make validation easier
Craig Dowell <craigdo@ee.washington.edu>
parents: 1428
diff changeset
   761
4563
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   762
bool
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   763
Ipv4L3Protocol::RemoveAddress (uint32_t i, uint32_t addressIndex)
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   764
{
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   765
  NS_LOG_FUNCTION (this << i << addressIndex);
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   766
  Ptr<Ipv4Interface> interface = GetInterface (i);
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   767
  Ipv4InterfaceAddress address = interface->RemoveAddress (addressIndex);
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   768
  if (address != Ipv4InterfaceAddress ())
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   769
    {
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   770
      if (m_routingProtocol != 0)
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   771
        {
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   772
          m_routingProtocol->NotifyRemoveAddress (i, address);
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   773
        }
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   774
      return true;
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   775
    }
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   776
  return false;
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   777
}
55948d1baa64 fix for bug 588
Tom Henderson <tomh@tomh.org>
parents: 4561
diff changeset
   778
1776
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   779
void 
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   780
Ipv4L3Protocol::SetMetric (uint32_t i, uint16_t metric)
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   781
{
2983
e3a416fe9dd5 NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2977
diff changeset
   782
  NS_LOG_FUNCTION (i << metric);
1776
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   783
  Ptr<Ipv4Interface> interface = GetInterface (i);
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   784
  interface->SetMetric (metric);
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   785
}
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   786
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   787
uint16_t
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   788
Ipv4L3Protocol::GetMetric (uint32_t i) const
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   789
{
2983
e3a416fe9dd5 NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2977
diff changeset
   790
  NS_LOG_FUNCTION (i);
1776
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   791
  Ptr<Ipv4Interface> interface = GetInterface (i);
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   792
  return interface->GetMetric ();
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   793
}
0d5be0c3d229 Add support for non-unit-cost metrics for Ipv4Interfaces (for use in routing); add example script simple-alternate-routing.cc
Tom Henderson <tomh@tomh.org>
parents: 1524
diff changeset
   794
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   795
uint16_t 
734
039fb338b6e9 Ipv4 -> Ipv4L3Protocol
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 733
diff changeset
   796
Ipv4L3Protocol::GetMtu (uint32_t i) const
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   797
{
2983
e3a416fe9dd5 NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2977
diff changeset
   798
  NS_LOG_FUNCTION (this << i);
1341
f685d4bf320f use the Object::GetTraceResolver tracing support rather than the old adhoc tracing code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1333
diff changeset
   799
  Ptr<Ipv4Interface> interface = GetInterface (i);
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   800
  return interface->GetMtu ();
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   801
}
1429
31cb0668defd debug prints to make validation easier
Craig Dowell <craigdo@ee.washington.edu>
parents: 1428
diff changeset
   802
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   803
bool 
734
039fb338b6e9 Ipv4 -> Ipv4L3Protocol
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 733
diff changeset
   804
Ipv4L3Protocol::IsUp (uint32_t i) const
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   805
{
2983
e3a416fe9dd5 NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2977
diff changeset
   806
  NS_LOG_FUNCTION (this << i);
1341
f685d4bf320f use the Object::GetTraceResolver tracing support rather than the old adhoc tracing code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1333
diff changeset
   807
  Ptr<Ipv4Interface> interface = GetInterface (i);
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   808
  return interface->IsUp ();
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   809
}
1429
31cb0668defd debug prints to make validation easier
Craig Dowell <craigdo@ee.washington.edu>
parents: 1428
diff changeset
   810
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   811
void 
734
039fb338b6e9 Ipv4 -> Ipv4L3Protocol
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 733
diff changeset
   812
Ipv4L3Protocol::SetUp (uint32_t i)
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   813
{
2983
e3a416fe9dd5 NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2977
diff changeset
   814
  NS_LOG_FUNCTION (this << i);
1341
f685d4bf320f use the Object::GetTraceResolver tracing support rather than the old adhoc tracing code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1333
diff changeset
   815
  Ptr<Ipv4Interface> interface = GetInterface (i);
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   816
  interface->SetUp ();
979
cb805f7a2e8d Add patch 49 (add/remove network route when bringing interface up/down)
Tom Henderson <tomh@tomh.org>
parents: 734
diff changeset
   817
4560
2f106fd728ab Remove static routing dependencies in code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 4558
diff changeset
   818
  if (m_routingProtocol != 0)
979
cb805f7a2e8d Add patch 49 (add/remove network route when bringing interface up/down)
Tom Henderson <tomh@tomh.org>
parents: 734
diff changeset
   819
    {
4560
2f106fd728ab Remove static routing dependencies in code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 4558
diff changeset
   820
      m_routingProtocol->NotifyInterfaceUp (i);
979
cb805f7a2e8d Add patch 49 (add/remove network route when bringing interface up/down)
Tom Henderson <tomh@tomh.org>
parents: 734
diff changeset
   821
    }
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   822
}
1429
31cb0668defd debug prints to make validation easier
Craig Dowell <craigdo@ee.washington.edu>
parents: 1428
diff changeset
   823
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   824
void 
979
cb805f7a2e8d Add patch 49 (add/remove network route when bringing interface up/down)
Tom Henderson <tomh@tomh.org>
parents: 734
diff changeset
   825
Ipv4L3Protocol::SetDown (uint32_t ifaceIndex)
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   826
{
2983
e3a416fe9dd5 NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 2977
diff changeset
   827
  NS_LOG_FUNCTION (this << ifaceIndex);
1341
f685d4bf320f use the Object::GetTraceResolver tracing support rather than the old adhoc tracing code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 1333
diff changeset
   828
  Ptr<Ipv4Interface> interface = GetInterface (ifaceIndex);
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   829
  interface->SetDown ();
979
cb805f7a2e8d Add patch 49 (add/remove network route when bringing interface up/down)
Tom Henderson <tomh@tomh.org>
parents: 734
diff changeset
   830
4560
2f106fd728ab Remove static routing dependencies in code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 4558
diff changeset
   831
  if (m_routingProtocol != 0)
979
cb805f7a2e8d Add patch 49 (add/remove network route when bringing interface up/down)
Tom Henderson <tomh@tomh.org>
parents: 734
diff changeset
   832
    {
4560
2f106fd728ab Remove static routing dependencies in code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 4558
diff changeset
   833
      m_routingProtocol->NotifyInterfaceDown (ifaceIndex);
979
cb805f7a2e8d Add patch 49 (add/remove network route when bringing interface up/down)
Tom Henderson <tomh@tomh.org>
parents: 734
diff changeset
   834
    }
444
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   835
}
1647ca57f19d remove ipv4 interface from public API
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents: 345
diff changeset
   836
4377
2a05a47dba22 Remove class Ipv4Impl
Tom Henderson <tomh@tomh.org>
parents: 4375
diff changeset
   837
Ptr<NetDevice>
2a05a47dba22 Remove class Ipv4Impl
Tom Henderson <tomh@tomh.org>
parents: 4375
diff changeset
   838
Ipv4L3Protocol::GetNetDevice (uint32_t i)
2a05a47dba22 Remove class Ipv4Impl
Tom Henderson <tomh@tomh.org>
parents: 4375
diff changeset
   839
{
2a05a47dba22 Remove class Ipv4Impl
Tom Henderson <tomh@tomh.org>
parents: 4375
diff changeset
   840
  return GetInterface (i)-> GetDevice ();
2a05a47dba22 Remove class Ipv4Impl
Tom Henderson <tomh@tomh.org>
parents: 4375
diff changeset
   841
}
2a05a47dba22 Remove class Ipv4Impl
Tom Henderson <tomh@tomh.org>
parents: 4375
diff changeset
   842
4472
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   843
void 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   844
Ipv4L3Protocol::SetIpForward (bool forward) 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   845
{
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   846
  m_ipForward = forward;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   847
}
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   848
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   849
bool 
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   850
Ipv4L3Protocol::GetIpForward (void) const
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   851
{
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   852
  return m_ipForward;
e20a31541404 src/ and utils/ changes for IPv4 routing rework
Tom Henderson <tomh@tomh.org>
parents: 4379
diff changeset
   853
}
4377
2a05a47dba22 Remove class Ipv4Impl
Tom Henderson <tomh@tomh.org>
parents: 4375
diff changeset
   854
4375
db81fdcb06e7 Implementation cut over to use Ipv4InterfaceAddress
Tom Henderson <tomh@tomh.org>
parents: 4373
diff changeset
   855
236
5673656dc2e7 a basic untested ipv4 implementation
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff changeset
   856
}//namespace ns3