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