136 lines
4.8 KiB
C++
136 lines
4.8 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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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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*/
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// Test program for this 3-router scenario, using static routing
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//
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// (a.a.a.a/32)A<--x.x.x.0/30-->B<--y.y.y.0/30-->C(c.c.c.c/32)
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <cassert>
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#include "ns3/core-module.h"
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#include "ns3/network-module.h"
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#include "ns3/internet-module.h"
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#include "ns3/point-to-point-module.h"
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#include "ns3/csma-module.h"
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#include "ns3/applications-module.h"
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#include "ns3/ipv4-static-routing-helper.h"
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using namespace ns3;
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NS_LOG_COMPONENT_DEFINE ("StaticRoutingSlash32Test");
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int
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main (int argc, char *argv[])
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{
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// Allow the user to override any of the defaults and the above
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// DefaultValue::Bind ()s at run-time, via command-line arguments
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CommandLine cmd;
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cmd.Parse (argc, argv);
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Ptr<Node> nA = CreateObject<Node> ();
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Ptr<Node> nB = CreateObject<Node> ();
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Ptr<Node> nC = CreateObject<Node> ();
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NodeContainer c = NodeContainer (nA, nB, nC);
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InternetStackHelper internet;
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internet.Install (c);
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// Point-to-point links
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NodeContainer nAnB = NodeContainer (nA, nB);
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NodeContainer nBnC = NodeContainer (nB, nC);
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// We create the channels first without any IP addressing information
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PointToPointHelper p2p;
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p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
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p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
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NetDeviceContainer dAdB = p2p.Install (nAnB);
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NetDeviceContainer dBdC = p2p.Install (nBnC);;
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Ptr<CsmaNetDevice> deviceA = CreateObject<CsmaNetDevice> ();
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deviceA->SetAddress (Mac48Address::Allocate ());
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nA->AddDevice (deviceA);
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Ptr<CsmaNetDevice> deviceC = CreateObject<CsmaNetDevice> ();
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deviceC->SetAddress (Mac48Address::Allocate ());
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nC->AddDevice (deviceC);
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// Later, we add IP addresses.
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Ipv4AddressHelper ipv4;
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ipv4.SetBase ("10.1.1.0", "255.255.255.252");
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Ipv4InterfaceContainer iAiB = ipv4.Assign (dAdB);
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ipv4.SetBase ("10.1.1.4", "255.255.255.252");
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Ipv4InterfaceContainer iBiC = ipv4.Assign (dBdC);
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Ptr<Ipv4> ipv4A = nA->GetObject<Ipv4> ();
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Ptr<Ipv4> ipv4B = nB->GetObject<Ipv4> ();
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Ptr<Ipv4> ipv4C = nC->GetObject<Ipv4> ();
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int32_t ifIndexA = ipv4A->AddInterface (deviceA);
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int32_t ifIndexC = ipv4C->AddInterface (deviceC);
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Ipv4InterfaceAddress ifInAddrA = Ipv4InterfaceAddress (Ipv4Address ("172.16.1.1"), Ipv4Mask ("/32"));
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ipv4A->AddAddress (ifIndexA, ifInAddrA);
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ipv4A->SetMetric (ifIndexA, 1);
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ipv4A->SetUp (ifIndexA);
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Ipv4InterfaceAddress ifInAddrC = Ipv4InterfaceAddress (Ipv4Address ("192.168.1.1"), Ipv4Mask ("/32"));
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ipv4C->AddAddress (ifIndexC, ifInAddrC);
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ipv4C->SetMetric (ifIndexC, 1);
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ipv4C->SetUp (ifIndexC);
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Ipv4StaticRoutingHelper ipv4RoutingHelper;
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// Create static routes from A to C
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Ptr<Ipv4StaticRouting> staticRoutingA = ipv4RoutingHelper.GetStaticRouting (ipv4A);
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// The ifIndex for this outbound route is 1; the first p2p link added
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staticRoutingA->AddHostRouteTo (Ipv4Address ("192.168.1.1"), Ipv4Address ("10.1.1.2"), 1);
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Ptr<Ipv4StaticRouting> staticRoutingB = ipv4RoutingHelper.GetStaticRouting (ipv4B);
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// The ifIndex we want on node B is 2; 0 corresponds to loopback, and 1 to the first point to point link
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staticRoutingB->AddHostRouteTo (Ipv4Address ("192.168.1.1"), Ipv4Address ("10.1.1.6"), 2);
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// Create the OnOff application to send UDP datagrams of size
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// 210 bytes at a rate of 448 Kb/s
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uint16_t port = 9; // Discard port (RFC 863)
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OnOffHelper onoff ("ns3::UdpSocketFactory",
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Address (InetSocketAddress (ifInAddrC.GetLocal (), port)));
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onoff.SetConstantRate (DataRate (6000));
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ApplicationContainer apps = onoff.Install (nA);
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apps.Start (Seconds (1.0));
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apps.Stop (Seconds (10.0));
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// Create a packet sink to receive these packets
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PacketSinkHelper sink ("ns3::UdpSocketFactory",
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Address (InetSocketAddress (Ipv4Address::GetAny (), port)));
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apps = sink.Install (nC);
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apps.Start (Seconds (1.0));
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apps.Stop (Seconds (10.0));
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AsciiTraceHelper ascii;
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p2p.EnableAsciiAll (ascii.CreateFileStream ("static-routing-slash32.tr"));
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p2p.EnablePcapAll ("static-routing-slash32");
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Simulator::Run ();
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Simulator::Destroy ();
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return 0;
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}
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