csma.cc

/* -*- 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
 */
/*
  Network topology:
  Client    10.1.1.0      Server
    A           B           C 
    |           |           |
    =========================
   .1          .2          .3
*/

#include "ns3/core-module.h"
#include "ns3/csma-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/ipv4-global-routing-helper.h"
#include "ns3/net-device-container.h"
#include "ns3/netanim-module.h"

using namespace ns3;
using namespace std;

NS_LOG_COMPONENT_DEFINE ("CsmaScriptExample");

int
main (int argc, char *argv[])
{
  Time::SetResolution (Time::NS);
  LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
  LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);

  GlobalValue::Bind ("ChecksumEnabled", BooleanValue(true));

  NodeContainer csmaNodes;
  csmaNodes.Create (3);

  CsmaHelper csma;
  csma.SetChannelAttribute("DataRate", StringValue("100Mbps"));
  csma.SetChannelAttribute("Delay", TimeValue(NanoSeconds(6560)));

  NetDeviceContainer csmaDevices;
  csmaDevices = csma.Install(csmaNodes);

  InternetStackHelper stack;
  stack.Install(csmaNodes);

  Ipv4AddressHelper addr;
  addr.SetBase("10.1.1.0", "255.255.255.0");
  Ipv4InterfaceContainer csmaInterfaces;
  csmaInterfaces = addr.Assign(csmaDevices);

  ///////////////////////////
  Ipv4Address addrArray[3];
  Ptr<Ipv4> ip_ptr;
  Ptr<Node> node_ptr;
  for(int i=0; i<3; i++){
      node_ptr = csmaNodes.Get(i);
      ip_ptr = node_ptr->GetObject<Ipv4>();
      addrArray[i] = ip_ptr->GetAddress(1,0).GetLocal();
      cout<<"csma nodes["<<i<<"] address:"<<ip_ptr->GetAddress(1,0).GetLocal()<<endl;
  }
  ///////////////////////////

  UdpEchoServerHelper echoServer(9);

  ApplicationContainer serverApps = echoServer.Install(csmaNodes.Get(2));
  serverApps.Start(Seconds(1.0));
  serverApps.Stop(Seconds(10.0));

  UdpEchoClientHelper echoClient(csmaInterfaces.GetAddress(2), 9);
  echoClient.SetAttribute("MaxPackets", UintegerValue(2));
  echoClient.SetAttribute("Interval", TimeValue(Seconds(1.0)));
  echoClient.SetAttribute("PacketSize", UintegerValue(1024));

  ApplicationContainer clientApps = echoClient.Install(csmaNodes.Get(0));
  clientApps.Start(Seconds(2.0));
  clientApps.Stop(Seconds(10.0));

  csma.EnablePcapAll("pcap/csma");

  AsciiTraceHelper ascii;
  csma.EnableAsciiAll(ascii.CreateFileStream("tr/csma.tr"));

  AnimationInterface anim("xml/csma-anim.xml");
  anim.SetConstantPosition(csmaNodes.Get(0), 1.0, 1.0);
  anim.SetConstantPosition(csmaNodes.Get(1), 5.0, 1.0);
  anim.SetConstantPosition(csmaNodes.Get(2), 9.0, 1.0);

  Simulator::Run();
  Simulator::Destroy();
  
  return 0;
}