aodv::RoutingProtocol just added
authorPavel Boyko <boyko@iitp.ru>
Tue, 07 Jul 2009 15:23:12 +0400
changeset 5560 bf790e14f13f
parent 5559 e7b217d30a47
child 5561 f74c7723afd3
aodv::RoutingProtocol just added
src/routing/aodv/aodv-routing-protocol.cc
src/routing/aodv/aodv-routing-protocol.h
src/routing/aodv/wscript
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/routing/aodv/aodv-routing-protocol.cc	Tue Jul 07 15:23:12 2009 +0400
@@ -0,0 +1,194 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 1997, 1998 Carnegie Mellon University.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Authors: The AODV code developed by the CMU/MONARCH group was optimized and
+ * tuned by Samir Das and Mahesh Marina, University of Cincinnati.
+ * The work was partially done in Sun Microsystems.
+ *
+ * Ported to ns-3 by Elena Borovkova <borovkovaes@iitp.ru>
+ */
+#include "aodv-routing-protocol.h"
+#include "ns3/socket-factory.h"
+#include "ns3/udp-socket-factory.h"
+#include "ns3/simulator.h"
+#include "ns3/log.h"
+#include "ns3/random-variable.h"
+#include "ns3/inet-socket-address.h"
+#include "ns3/ipv4-routing-protocol.h"
+#include "ns3/ipv4-route.h"
+#include "ns3/boolean.h"
+#include "ns3/uinteger.h"
+#include "ns3/enum.h"
+#include "ns3/trace-source-accessor.h"
+#include "ns3/ipv4-header.h"
+
+/// UDP Port for AODV control traffic
+#define AODV_PORT  654
+
+NS_LOG_COMPONENT_DEFINE ("AodvRoutingProtocol");
+
+namespace ns3
+{
+namespace aodv
+{
+NS_OBJECT_ENSURE_REGISTERED (RoutingProtocol);
+
+RoutingProtocol::RoutingProtocol()
+{
+}
+
+TypeId 
+RoutingProtocol::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("ns3::aodv::RoutingProtocol")
+    .SetParent<Ipv4RoutingProtocol> ()
+    .AddConstructor<RoutingProtocol> ()
+    ;
+  return tid;
+}
+
+RoutingProtocol::~RoutingProtocol()
+{
+}
+
+void
+RoutingProtocol::DoDispose ()
+{
+  m_ipv4 = 0;
+  for (std::map< Ptr<Socket>, Ipv4Address >::iterator iter = m_socketAddresses.begin ();
+       iter != m_socketAddresses.end (); iter++)
+    {
+      iter->first->Close ();
+    }
+  m_socketAddresses.clear ();
+  Ipv4RoutingProtocol::DoDispose ();
+}
+
+Ptr<Ipv4Route> 
+RoutingProtocol::RouteOutput (Ptr<Packet> p, const Ipv4Header &header, uint32_t oif, Socket::SocketErrno &sockerr)
+{
+  Ptr<Ipv4Route> rtentry;
+  sockerr = Socket::ERROR_NOROUTETOHOST;
+  // TODO resolve route
+  return rtentry;
+}
+
+bool
+RoutingProtocol::RouteInput (Ptr<const Packet> p, const Ipv4Header &header, Ptr<const NetDevice> idev,
+                           UnicastForwardCallback ucb, MulticastForwardCallback mcb,
+                           LocalDeliverCallback lcb, ErrorCallback ecb)
+{
+  // TODO
+  return false;
+}
+
+void 
+RoutingProtocol::SetIpv4 (Ptr<Ipv4> ipv4)
+{
+  NS_ASSERT (ipv4 != 0);
+  NS_ASSERT (m_ipv4 == 0);
+  /*
+  m_helloTimer.SetFunction (&RoutingProtocol::HelloTimerExpire, this);
+  */
+
+  m_ipv4 = ipv4;
+  Simulator::ScheduleNow (&RoutingProtocol::Start, this);
+}
+
+void
+RoutingProtocol::Start ()
+{
+  // Open UDP sockets for control traffic on each IP interface
+  const Ipv4Address loopback ("127.0.0.1");
+  for (uint32_t i = 0; i < m_ipv4->GetNInterfaces (); i++)
+    {
+      Ipv4Address addr = m_ipv4->GetAddress (i, 0).GetLocal ();
+      if (addr == loopback)
+        continue;
+
+      // Create a socket to listen only on this interface
+      Ptr<Socket> socket = Socket::CreateSocket (GetObject<Node> (), 
+        UdpSocketFactory::GetTypeId()); 
+      socket->SetRecvCallback (MakeCallback (&RoutingProtocol::RecvAodv,  this));
+      if (socket->Bind (InetSocketAddress (addr, AODV_PORT)))
+        {
+          NS_FATAL_ERROR ("Failed to bind() AODV receive socket");
+        }
+      socket->Connect (InetSocketAddress (Ipv4Address (0xffffffff), AODV_PORT));
+      m_socketAddresses.insert(std::make_pair(socket, addr));
+    }
+}
+
+void 
+RoutingProtocol::NotifyInterfaceUp (uint32_t interface)
+{
+  // TODO
+}
+
+void 
+RoutingProtocol::NotifyInterfaceDown (uint32_t interface)
+{ 
+  // TODO
+}
+
+void 
+RoutingProtocol::NotifyAddAddress (uint32_t interface, Ipv4InterfaceAddress address)
+{
+}
+
+void 
+RoutingProtocol::NotifyRemoveAddress (uint32_t interface, Ipv4InterfaceAddress address)
+{
+}
+
+void 
+RoutingProtocol::RecvAodv (Ptr<Socket> socket)
+{
+  Ptr<Packet> packet;
+  Address sourceAddress;
+  packet = socket->RecvFrom (sourceAddress);
+
+  InetSocketAddress inetSourceAddr = InetSocketAddress::ConvertFrom (sourceAddress);
+  Ipv4Address senderIfaceAddr = inetSourceAddr.GetIpv4 ();
+  Ipv4Address receiverIfaceAddr = m_socketAddresses[socket];
+  
+  NS_ASSERT (receiverIfaceAddr != Ipv4Address ());
+  NS_LOG_DEBUG ("AODV node " << this << " received a AODV packet from " << senderIfaceAddr << " to " << receiverIfaceAddr);
+  NS_ASSERT (inetSourceAddr.GetPort () == AODV_PORT);
+  
+  // TODO check packet type and call RecvSmth
+}
+
+void 
+RoutingProtocol::RecvRequest (Ptr<Packet> p)
+{
+  // TODO
+}
+
+void 
+RoutingProtocol::RecvReply (Ptr<Packet> p)
+{
+  // TODO
+}
+
+void 
+RoutingProtocol::RecvError (Ptr<Packet> p)
+{
+  // TODO
+}
+
+}}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/routing/aodv/aodv-routing-protocol.h	Tue Jul 07 15:23:12 2009 +0400
@@ -0,0 +1,88 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 1997, 1998 Carnegie Mellon University.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Authors: The AODV code developed by the CMU/MONARCH group was optimized and
+ * tuned by Samir Das and Mahesh Marina, University of Cincinnati.
+ * The work was partially done in Sun Microsystems.
+ *
+ * Ported to ns-3 by Elena Borovkova <borovkovaes@iitp.ru>
+ */
+#ifndef AODVROUTINGPROTOCOL_H_
+#define AODVROUTINGPROTOCOL_H_
+#include "ns3/object.h"
+#include "ns3/packet.h"
+#include "ns3/node.h"
+#include "ns3/socket.h"
+#include "ns3/timer.h"
+#include "ns3/ipv4.h"
+#include "ns3/ipv4-routing-protocol.h"
+#include <map>
+
+namespace ns3
+{
+namespace aodv
+{
+
+/**
+ * \ingroup aodv
+ * \brief AODV routing protocol
+ */
+class RoutingProtocol : public Ipv4RoutingProtocol
+{
+public:
+  static TypeId GetTypeId (void);
+
+  RoutingProtocol();
+  virtual ~RoutingProtocol();
+  virtual void DoDispose ();
+  
+  ///\name From Ipv4RoutingProtocol
+  //\{
+  Ptr<Ipv4Route> RouteOutput (Ptr<Packet> p, const Ipv4Header &header, uint32_t oif, Socket::SocketErrno &sockerr);
+  bool RouteInput (Ptr<const Packet> p, const Ipv4Header &header, Ptr<const NetDevice> idev,
+                           UnicastForwardCallback ucb, MulticastForwardCallback mcb,
+                           LocalDeliverCallback lcb, ErrorCallback ecb);  
+  virtual void NotifyInterfaceUp (uint32_t interface);
+  virtual void NotifyInterfaceDown (uint32_t interface);
+  virtual void NotifyAddAddress (uint32_t interface, Ipv4InterfaceAddress address);
+  virtual void NotifyRemoveAddress (uint32_t interface, Ipv4InterfaceAddress address);
+  virtual void SetIpv4 (Ptr<Ipv4> ipv4);
+  //\}
+  
+private:
+  /// IP protocol
+  Ptr<Ipv4> m_ipv4;
+  /// UDP socket per each IP interface, map socket -> iface
+  std::map< Ptr<Socket>, Ipv4Address > m_socketAddresses;
+
+private:
+  /// Start protocol operation
+  void Start ();
+  
+  /// Receive and process control packet
+  void RecvAodv (Ptr<Socket> s);
+  /// Receive RREQ
+  void RecvRequest (Ptr<Packet> p);
+  /// Receive RREP
+  void RecvReply (Ptr<Packet> p);
+  /// Receive RERR
+  void RecvError (Ptr<Packet> p);
+};
+
+}
+}
+#endif /* AODVROUTINGPROTOCOL_H_ */
--- a/src/routing/aodv/wscript	Tue Jul 07 13:42:58 2009 +0400
+++ b/src/routing/aodv/wscript	Tue Jul 07 15:23:12 2009 +0400
@@ -7,13 +7,12 @@
         'aodv-rtable.cc',
         'aodv-rqueue.cc',
         'aodv-packet.cc',
+        'aodv-routing-protocol.cc',
         ]
 
     headers = bld.new_task_gen('ns3header')
     headers.module = 'aodv'
     headers.source = [
-        'aodv-rtable.h',
-        'aodv-rqueue.h',
-        'aodv-packet.h',
+        'aodv-routing-protocol.h',
         ]