126 lines
4.3 KiB
C++
126 lines
4.3 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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// Port of ns-2/tcl/ex/simple.tcl to ns-3
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//
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// Network topology
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//
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// n0 n1 n2 n3
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// | | | |
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// =====================
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//
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// - CBR/UDP flows from n0 to n1, and from n3 to n0
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// - UDP packet size of 210 bytes, with per-packet interval 0.00375 sec.
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// (i.e., DataRate of 448,000 bps)
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// - DropTail queues
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// - Tracing of queues and packet receptions to file "csma-one-subnet.tr"
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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/simulator-module.h"
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#include "ns3/helper-module.h"
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#include "ns3/ascii-trace.h"
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#include "ns3/pcap-trace.h"
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using namespace ns3;
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NS_LOG_COMPONENT_DEFINE ("CsmaPacketSocketExample");
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int
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main (int argc, char *argv[])
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{
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#if 0
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LogComponentEnable ("CsmaPacketSocketExample", LOG_LEVEL_INFO);
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LogComponentEnable("Object", LOG_LEVEL_ALL);
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LogComponentEnable("Queue", LOG_LEVEL_ALL);
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LogComponentEnable("DropTailQueue", LOG_LEVEL_ALL);
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LogComponentEnable("Channel", LOG_LEVEL_ALL);
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LogComponentEnable("CsmaChannel", LOG_LEVEL_ALL);
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LogComponentEnable("NetDevice", LOG_LEVEL_ALL);
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LogComponentEnable("CsmaNetDevice", LOG_LEVEL_ALL);
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LogComponentEnable("Ipv4L3Protocol", LOG_LEVEL_ALL);
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LogComponentEnable("PacketSocket", LOG_LEVEL_ALL);
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LogComponentEnable("Socket", LOG_LEVEL_ALL);
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LogComponentEnable("UdpSocket", LOG_LEVEL_ALL);
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LogComponentEnable("UdpL4Protocol", LOG_LEVEL_ALL);
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LogComponentEnable("Ipv4L3Protocol", LOG_LEVEL_ALL);
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LogComponentEnable("Ipv4StaticRouting", LOG_LEVEL_ALL);
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LogComponentEnable("Ipv4Interface", LOG_LEVEL_ALL);
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LogComponentEnable("ArpIpv4Interface", LOG_LEVEL_ALL);
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LogComponentEnable("Ipv4LoopbackInterface", LOG_LEVEL_ALL);
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LogComponentEnable("OnOffApplication", LOG_LEVEL_ALL);
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LogComponentEnable("PacketSinkApplication", LOG_LEVEL_ALL);
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LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_ALL);
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LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_ALL);
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#endif
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CommandLine cmd;
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cmd.Parse (argc, argv);
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// Here, we will explicitly create four nodes.
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NS_LOG_INFO ("Create nodes.");
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NodeContainer c;
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c.Create (4);
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PacketSocketHelper packetSocket;
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packetSocket.Build (c);
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// create the shared medium used by all csma devices.
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NS_LOG_INFO ("Create channels.");
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Ptr<CsmaChannel> channel = CreateObject<CsmaChannel> ("BitRate", DataRate(5000000),
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"Delay", MilliSeconds(2));
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// use a helper function to connect our nodes to the shared channel.
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NS_LOG_INFO ("Build Topology.");
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CsmaHelper csma;
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csma.SetDeviceParameter ("EncapsulationMode", String ("Llc"));
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NetDeviceContainer devs = csma.Build (c, channel);
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NS_LOG_INFO ("Create Applications.");
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// Create the OnOff application to send raw datagrams
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OnOffHelper onoff;
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onoff.SetAppAttribute ("OnTime", ConstantVariable (1.0));
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onoff.SetAppAttribute ("OffTime", ConstantVariable (0.0));
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onoff.SetPacketRemote (devs.Get (0), devs.Get (1)->GetAddress (), 2);
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ApplicationContainer apps = onoff.Build (c.Get (0));
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apps.Start (Seconds (1.0));
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apps.Stop (Seconds (10.0));
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onoff.SetPacketRemote (devs.Get (3), devs.Get (0)->GetAddress (), 3);
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apps = onoff.Build (c.Get (3));
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apps.Start (Seconds (1.0));
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apps.Stop (Seconds (10.0));
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// Configure tracing of all enqueue, dequeue, and NetDevice receive events
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// Trace output will be sent to the csma-packet-socket.tr file
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NS_LOG_INFO ("Configure Tracing.");
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AsciiTrace asciitrace ("csma-packet-socket.tr");
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asciitrace.TraceAllNetDeviceRx ();
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asciitrace.TraceAllQueues ();
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NS_LOG_INFO ("Run Simulation.");
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Simulator::Run ();
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Simulator::Destroy ();
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NS_LOG_INFO ("Done.");
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}
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