/* -*- 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
*/
// Port of ns-2/tcl/ex/simple.tcl to ns-3
//
// Network topology
//
// n0 n1 n2 n3
// | | | |
// =====================
//
// - CBR/UDP flows from n0 to n1, and from n3 to n0
// - 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 "csma-one-subnet.tr"
#include <iostream>
#include <fstream>
#include <string>
#include <cassert>
#include "ns3/core-module.h"
#include "ns3/simulator-module.h"
#include "ns3/node-module.h"
#include "ns3/helper-module.h"
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("CsmaPingExample");
static void SinkRx (Ptr<const Packet> p, const Address &ad)
{
//std::cout << *p << std::endl;
}
static void PingRtt (std::string context, Time rtt)
{
//std::cout << context << " " << rtt << std::endl;
}
int
main (int argc, char *argv[])
{
CommandLine cmd;
cmd.Parse (argc, argv);
// Here, we will explicitly create four nodes.
NS_LOG_INFO ("Create nodes.");
NodeContainer c;
c.Create (4);
// connect all our nodes to a shared channel.
NS_LOG_INFO ("Build Topology.");
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
csma.SetDeviceAttribute ("EncapsulationMode", StringValue ("Llc"));
NetDeviceContainer devs = csma.Install (c);
// add an ip stack to all nodes.
NS_LOG_INFO ("Add ip stack.");
InternetStackHelper ipStack;
ipStack.Install (c);
// assign ip addresses
NS_LOG_INFO ("Assign ip addresses.");
Ipv4AddressHelper ip;
ip.SetBase ("192.168.1.0", "255.255.255.0");
Ipv4InterfaceContainer addresses = ip.Assign (devs);
// setup global router
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
NS_LOG_INFO ("Create Source");
Config::SetDefault ("ns3::Ipv4RawSocketImpl::Protocol", StringValue ("2"));
InetSocketAddress dst = InetSocketAddress (addresses.GetAddress (3));
OnOffHelper onoff = OnOffHelper ("ns3::Ipv4RawSocketFactory", dst);
onoff.SetAttribute ("OnTime", RandomVariableValue (ConstantVariable (1.0)));
onoff.SetAttribute ("OffTime", RandomVariableValue (ConstantVariable (0.0)));
onoff.SetAttribute ("DataRate", DataRateValue (DataRate (15000)));
onoff.SetAttribute ("PacketSize", UintegerValue (1200));
ApplicationContainer apps = onoff.Install (c.Get (0));
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
NS_LOG_INFO ("Create Sink.");
PacketSinkHelper sink = PacketSinkHelper ("ns3::Ipv4RawSocketFactory", dst);
apps = sink.Install (c.Get (3));
apps.Start (Seconds (0.0));
apps.Stop (Seconds (11.0));
NS_LOG_INFO ("Create pinger");
V4PingHelper ping = V4PingHelper (addresses.GetAddress (2));
NodeContainer pingers;
pingers.Add (c.Get (0));
pingers.Add (c.Get (1));
pingers.Add (c.Get (3));
apps = ping.Install (pingers);
apps.Start (Seconds (2.0));
apps.Stop (Seconds (5.0));
NS_LOG_INFO ("Configure Tracing.");
// first, pcap tracing in non-promiscuous mode
csma.EnablePcapAll ("csma-ping", false);
// then, print what the packet sink receives.
Config::ConnectWithoutContext ("/NodeList/3/ApplicationList/0/$ns3::PacketSink/Rx",
MakeCallback (&SinkRx));
// finally, print the ping rtts.
Config::Connect ("/NodeList/*/ApplicationList/*/$ns3::V4Ping/Rtt",
MakeCallback (&PingRtt));
Packet::EnablePrinting ();
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}