3.35/doxygen/simple-point-to-point-olsr_8cc_source.html

/* -*- 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.

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 * You should have received a copy of the GNU General Public License

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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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 */


//

// Simple example of OLSR routing over some point-to-point links

//

// Network topology

//

//   n0

//     \ 5 Mb/s, 2ms

//      \          1.5Mb/s, 10ms

//       n2 -------------------------n3---------n4

//      /

//     / 5 Mb/s, 2ms

//   n1

//

// - all links are point-to-point links with indicated one-way BW/delay

// - CBR/UDP flows from n0 to n4, and from n3 to n1

// - UDP packet size of 210 bytes, with per-packet interval 0.00375 sec.

//   (i.e., DataRate of 448,000 bps)

// - DropTail queues

// - Tracing of queues and packet receptions to file "simple-point-to-point-olsr.tr"


#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/applications-module.h"

#include "ns3/olsr-helper.h"

#include "ns3/ipv4-static-routing-helper.h"

#include "ns3/ipv4-list-routing-helper.h"


using namespace ns3;


NS_LOG_COMPONENT_DEFINE ("SimplePointToPointOlsrExample");


int

main (int argc, char *argv[])

{

  // Users may find it convenient to turn on explicit debugging

  // for selected modules; the below lines suggest how to do this

#if 0

  LogComponentEnable ("SimpleGlobalRoutingExample", LOG_LEVEL_INFO);

#endif


  // Set up some default values for the simulation.  Use the


  Config::SetDefault ("ns3::OnOffApplication::PacketSize", UintegerValue (210));

  Config::SetDefault ("ns3::OnOffApplication::DataRate", StringValue ("448kb/s"));


  //DefaultValue::Bind ("DropTailQueue::m_maxPackets", 30);


  // Allow the user to override any of the defaults and the above

  // DefaultValue::Bind ()s at run-time, via command-line arguments

  CommandLine cmd (__FILE__);

  cmd.Parse (argc, argv);


  // Here, we will explicitly create four nodes.  In more sophisticated

  // topologies, we could configure a node factory.

  NS_LOG_INFO ("Create nodes.");

  NodeContainer c;

  c.Create (5);

  NodeContainer n02 = NodeContainer (c.Get (0), c.Get (2));

  NodeContainer n12 = NodeContainer (c.Get (1), c.Get (2));

  NodeContainer n32 = NodeContainer (c.Get (3), c.Get (2));

  NodeContainer n34 = NodeContainer (c.Get (3), c.Get (4));


  // Enable OLSR

  NS_LOG_INFO ("Enabling OLSR Routing.");

  OlsrHelper olsr;


  Ipv4StaticRoutingHelper staticRouting;


  Ipv4ListRoutingHelper list;

  list.Add (staticRouting, 0);

  list.Add (olsr, 10);


  InternetStackHelper internet;

  internet.SetRoutingHelper (list); // has effect on the next Install ()

  internet.Install (c);


  // We create the channels first without any IP addressing information

  NS_LOG_INFO ("Create channels.");

  PointToPointHelper p2p;

  p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));

  p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));

  NetDeviceContainer nd02 = p2p.Install (n02);

  NetDeviceContainer nd12 = p2p.Install (n12);

  p2p.SetDeviceAttribute ("DataRate", StringValue ("1500kbps"));

  p2p.SetChannelAttribute ("Delay", StringValue ("10ms"));

  NetDeviceContainer nd32 = p2p.Install (n32);

  NetDeviceContainer nd34 = p2p.Install (n34);


  // Later, we add IP addresses.

  NS_LOG_INFO ("Assign IP Addresses.");

  Ipv4AddressHelper ipv4;

  ipv4.SetBase ("10.1.1.0", "255.255.255.0");

  Ipv4InterfaceContainer i02 = ipv4.Assign (nd02);


  ipv4.SetBase ("10.1.2.0", "255.255.255.0");

  Ipv4InterfaceContainer i12 = ipv4.Assign (nd12);


  ipv4.SetBase ("10.1.3.0", "255.255.255.0");

  Ipv4InterfaceContainer i32 = ipv4.Assign (nd32);


  ipv4.SetBase ("10.1.4.0", "255.255.255.0");

  Ipv4InterfaceContainer i34 = ipv4.Assign (nd34);


  // Create the OnOff application to send UDP datagrams of size

  // 210 bytes at a rate of 448 Kb/s from n0 to n4

  NS_LOG_INFO ("Create Applications.");

  uint16_t port = 9;   // Discard port (RFC 863)


  OnOffHelper onoff1 ("ns3::UdpSocketFactory",

                     InetSocketAddress (i34.GetAddress (1), port));

  onoff1.SetConstantRate (DataRate ("448kb/s"));


  ApplicationContainer onOffApp1 = onoff1.Install (c.Get (0));

  onOffApp1.Start (Seconds (10.0));

  onOffApp1.Stop (Seconds (20.0));


  // Create a similar flow from n3 to n1, starting at time 1.1 seconds

  OnOffHelper onoff2 ("ns3::UdpSocketFactory",

                     InetSocketAddress (i12.GetAddress (0), port));

  onoff2.SetConstantRate (DataRate ("448kb/s"));


  ApplicationContainer onOffApp2 = onoff2.Install (c.Get (3));

  onOffApp2.Start (Seconds (10.1));

  onOffApp2.Stop (Seconds (20.0));


  // Create packet sinks to receive these packets

  PacketSinkHelper sink ("ns3::UdpSocketFactory",

                         InetSocketAddress (Ipv4Address::GetAny (), port));

  NodeContainer sinks = NodeContainer (c.Get (4), c.Get (1));

  ApplicationContainer sinkApps = sink.Install (sinks);

  sinkApps.Start (Seconds (0.0));

  sinkApps.Stop (Seconds (21.0));


  AsciiTraceHelper ascii;

  p2p.EnableAsciiAll (ascii.CreateFileStream ("simple-point-to-point-olsr.tr"));

  p2p.EnablePcapAll ("simple-point-to-point-olsr");


  Simulator::Stop (Seconds (30));


  NS_LOG_INFO ("Run Simulation.");

  Simulator::Run ();

  Simulator::Destroy ();

  NS_LOG_INFO ("Done.");


  return 0;

}