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simple-routing-ping6.cc
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1 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2008-2009 Strasbourg University
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: David Gross <gdavid.devel@gmail.com>
19  * Sebastien Vincent <vincent@clarinet.u-strasbg.fr>
20  */
21 
22 // Network topology
23 // //
24 // // n0 r n1
25 // // | _ |
26 // // ====|_|====
27 // // router
28 // //
29 // // - Tracing of queues and packet receptions to file "simple-routing-ping6.tr"
30 
31 #include <fstream>
32 #include "ns3/core-module.h"
33 #include "ns3/internet-module.h"
34 #include "ns3/csma-module.h"
35 #include "ns3/applications-module.h"
36 #include "ns3/ipv6-static-routing-helper.h"
37 
38 #include "ns3/ipv6-routing-table-entry.h"
39 
40 using namespace ns3;
41 
42 NS_LOG_COMPONENT_DEFINE ("SimpleRoutingPing6Example");
43 
48 class StackHelper
49 {
50 public:
51 
58  inline void AddAddress (Ptr<Node>& n, uint32_t interface, Ipv6Address address)
59  {
60  Ptr<Ipv6> ipv6 = n->GetObject<Ipv6> ();
61  ipv6->AddAddress (interface, address);
62  }
63 
68  inline void PrintRoutingTable (Ptr<Node>& n)
69  {
70  Ptr<Ipv6StaticRouting> routing = 0;
71  Ipv6StaticRoutingHelper routingHelper;
72  Ptr<Ipv6> ipv6 = n->GetObject<Ipv6> ();
73  uint32_t nbRoutes = 0;
74  Ipv6RoutingTableEntry route;
75 
76  routing = routingHelper.GetStaticRouting (ipv6);
77 
78  std::cout << "Routing table of " << n << " : " << std::endl;
79  std::cout << "Destination\t\t\t\t" << "Gateway\t\t\t\t\t" << "Interface\t" << "Prefix to use" << std::endl;
80 
81  nbRoutes = routing->GetNRoutes ();
82  for (uint32_t i = 0; i < nbRoutes; i++)
83  {
84  route = routing->GetRoute (i);
85  std::cout << route.GetDest () << "\t"
86  << route.GetGateway () << "\t"
87  << route.GetInterface () << "\t"
88  << route.GetPrefixToUse () << "\t"
89  << std::endl;
90  }
91  }
92 };
93 
94 int main (int argc, char** argv)
95 {
96 #if 0
97  LogComponentEnable ("Ipv6L3Protocol", LOG_LEVEL_ALL);
98  LogComponentEnable ("Icmpv6L4Protocol", LOG_LEVEL_ALL);
99  LogComponentEnable ("Ipv6StaticRouting", LOG_LEVEL_ALL);
100  LogComponentEnable ("Ipv6Interface", LOG_LEVEL_ALL);
101  LogComponentEnable ("Ping6Application", LOG_LEVEL_ALL);
102 #endif
103 
104  CommandLine cmd;
105  cmd.Parse (argc, argv);
106 
107  StackHelper stackHelper;
108 
109  NS_LOG_INFO ("Create nodes.");
110  Ptr<Node> n0 = CreateObject<Node> ();
111  Ptr<Node> r = CreateObject<Node> ();
112  Ptr<Node> n1 = CreateObject<Node> ();
113 
114  NodeContainer net1 (n0, r);
115  NodeContainer net2 (r, n1);
116  NodeContainer all (n0, r, n1);
117 
118  NS_LOG_INFO ("Create IPv6 Internet Stack");
119  InternetStackHelper internetv6;
120  internetv6.Install (all);
121 
122  NS_LOG_INFO ("Create channels.");
123  CsmaHelper csma;
124  csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
125  csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
126  NetDeviceContainer d1 = csma.Install (net1);
127  NetDeviceContainer d2 = csma.Install (net2);
128 
129  NS_LOG_INFO ("Create networks and assign IPv6 Addresses.");
130  Ipv6AddressHelper ipv6;
131  ipv6.SetBase (Ipv6Address ("2001:1::"), Ipv6Prefix (64));
132  Ipv6InterfaceContainer i1 = ipv6.Assign (d1);
133  i1.SetForwarding (1, true);
134  i1.SetDefaultRouteInAllNodes (1);
135  ipv6.SetBase (Ipv6Address ("2001:2::"), Ipv6Prefix (64));
136  Ipv6InterfaceContainer i2 = ipv6.Assign (d2);
137  i2.SetForwarding (0, true);
138  i2.SetDefaultRouteInAllNodes (0);
139 
140  stackHelper.PrintRoutingTable (n0);
141 
142  /* Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via r */
143  uint32_t packetSize = 1024;
144  uint32_t maxPacketCount = 5;
145  Time interPacketInterval = Seconds (1.);
146  Ping6Helper ping6;
147 
148  ping6.SetLocal (i1.GetAddress (0, 1));
149  ping6.SetRemote (i2.GetAddress (1, 1));
150 
151  ping6.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount));
152  ping6.SetAttribute ("Interval", TimeValue (interPacketInterval));
153  ping6.SetAttribute ("PacketSize", UintegerValue (packetSize));
154  ApplicationContainer apps = ping6.Install (net1.Get (0));
155  apps.Start (Seconds (2.0));
156  apps.Stop (Seconds (20.0));
157 
158  AsciiTraceHelper ascii;
159  csma.EnableAsciiAll (ascii.CreateFileStream ("simple-routing-ping6.tr"));
160  csma.EnablePcapAll ("simple-routing-ping6", true);
161 
162  NS_LOG_INFO ("Run Simulation.");
163  Simulator::Run ();
164  Simulator::Destroy ();
165  NS_LOG_INFO ("Done.");
166 }
167