112 lines
4.2 KiB
C++
112 lines
4.2 KiB
C++
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/* -*- 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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// Network topology
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//
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// Packets sent to the device "thetap" on the Linux host will be sent to the
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// tap bridge on node zero and then emitted onto the ns-3 simulated CSMA
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// network. ARP will be used on the CSMA network to resolve MAC addresses.
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// Packets destined for the CSMA device on node zero will be sent to the
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// device "thetap" on the linux Host.
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//
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// +----------+
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// | external |
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// | Linux |
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// | Host |
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// | |
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// | "thetap" |
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// +----------+
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// | n0 n1 n2 n3
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// | +--------+ +--------+ +--------+ +--------+
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// +-------| tap | | | | | | |
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// | bridge | | | | | | |
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// +--------+ +--------+ +--------+ +--------+
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// | CSMA | | CSMA | | CSMA | | CSMA |
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// +--------+ +--------+ +--------+ +--------+
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// | | | |
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// | | | |
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// | | | |
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// ===========================================
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// CSMA LAN 10.1.1
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//
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// The CSMA device on node zero is: 10.1.1.1
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// The CSMA device on node one is: 10.1.1.2
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// The CSMA device on node two is: 10.1.1.3
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// The CSMA device on node three is: 10.1.1.4
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//
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// Some simple things to do:
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//
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// 1) Ping one of the simulated nodes
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//
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// ./waf --run tap-csma&
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// ping 10.1.1.2
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//
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#include <iostream>
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#include <fstream>
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#include "ns3/simulator-module.h"
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#include "ns3/node-module.h"
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#include "ns3/core-module.h"
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#include "ns3/wifi-module.h"
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#include "ns3/helper-module.h"
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using namespace ns3;
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NS_LOG_COMPONENT_DEFINE ("TapCsmaExample");
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int
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main (int argc, char *argv[])
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{
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std::string mode = "ConfigureLocal";
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std::string tapName = "thetap";
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CommandLine cmd;
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cmd.AddValue("mode", "Mode setting of TapBridge", mode);
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cmd.AddValue("tapName", "Name of the OS tap device", tapName);
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cmd.Parse (argc, argv);
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GlobalValue::Bind ("SimulatorImplementationType", StringValue ("ns3::RealtimeSimulatorImpl"));
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GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true));
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NodeContainer nodes;
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nodes.Create (4);
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CsmaHelper csma;
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csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
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csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
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NetDeviceContainer devices = csma.Install (nodes);
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InternetStackHelper stack;
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stack.Install (nodes);
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Ipv4AddressHelper addresses;
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addresses.SetBase ("10.1.1.0", "255.255.255.0");
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Ipv4InterfaceContainer interfaces = addresses.Assign (devices);
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TapBridgeHelper tapBridge;
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tapBridge.SetAttribute ("Mode", StringValue (mode));
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tapBridge.SetAttribute ("DeviceName", StringValue (tapName));
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tapBridge.Install (nodes.Get (0), devices.Get (0));
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CsmaHelper::EnablePcapAll ("tap-csma", false);
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Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
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Simulator::Stop (Seconds (60.));
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Simulator::Run ();
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Simulator::Destroy ();
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}
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