traceroute-example.cc

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2019 Ritsumeikan University, Shiga, Japan
 *
 * 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
 *
 * Author: Alberto Gallegos Ramonet <ramonet@fc.ritsumei.ac.jp>
 *
 *
 * TraceRoute application example using AODV routing protocol.
 *
 *
 */
 
#include "ns3/aodv-module.h"
#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/internet-module.h"
#include "ns3/mobility-module.h"
#include "ns3/point-to-point-module.h"
#include "ns3/wifi-module.h"
#include "ns3/v4traceroute-helper.h"
#include <iostream>
#include <cmath>
 
using namespace ns3;
 
class TracerouteExample
{
public:
  TracerouteExample ();
  bool Configure (int argc, char **argv);
  void Run ();
  void Report (std::ostream & os);
 
private:
  // parameters
  uint32_t size;
  double step;
  double totalTime;
  bool pcap;
  bool printRoutes;
  NodeContainer nodes;
  NetDeviceContainer devices;
  Ipv4InterfaceContainer interfaces;
 
private:
  void CreateNodes ();
  void CreateDevices ();
  void InstallInternetStack ();
 
  void InstallApplications ();
};
 
int main (int argc, char **argv)
{
  TracerouteExample test;
  if (!test.Configure (argc, argv))
    {
      NS_FATAL_ERROR ("Configuration failed. Aborted.");
    }
 
  test.Run ();
  test.Report (std::cout);
  return 0;
}
 
//-----------------------------------------------------------------------------
TracerouteExample::TracerouteExample ()
  : size (10),
    step (50),
    totalTime (100),
    pcap (false),
    printRoutes (false)
{
}
 
bool
TracerouteExample::Configure (int argc, char **argv)
{
  // Enable AODV logs by default. Comment this if too noisy
  // LogComponentEnable("AodvRoutingProtocol", LOG_LEVEL_ALL);
 
  SeedManager::SetSeed (12345);
  CommandLine cmd (__FILE__);
 
  cmd.AddValue ("pcap", "Write PCAP traces.", pcap);
  cmd.AddValue ("printRoutes", "Print routing table dumps.", printRoutes);
  cmd.AddValue ("size", "Number of nodes.", size);
  cmd.AddValue ("time", "Simulation time, s.", totalTime);
  cmd.AddValue ("step", "Grid step, m", step);
 
  cmd.Parse (argc, argv);
  return true;
}
 
void
TracerouteExample::Run ()
{
  CreateNodes ();
 
  CreateDevices ();
 
  InstallInternetStack ();
 
  InstallApplications ();
 
  std::cout << "Starting simulation for " << totalTime << " s ...\n";
 
  Simulator::Stop (Seconds (totalTime));
  Simulator::Run ();
  Simulator::Destroy ();
}
 
void
TracerouteExample::Report (std::ostream &)
{
}
 
void
TracerouteExample::CreateNodes ()
{
  std::cout << "Creating " << (unsigned)size << " nodes " << step << " m apart.\n";
  nodes.Create (size);
  // Name nodes
  for (uint32_t i = 0; i < size; ++i)
    {
      std::ostringstream os;
      os << "node-" << i;
      Names::Add (os.str (), nodes.Get (i));
    }
  // Create static grid
  MobilityHelper mobility;
  mobility.SetPositionAllocator ("ns3::GridPositionAllocator",
                                 "MinX", DoubleValue (0.0),
                                 "MinY", DoubleValue (0.0),
                                 "DeltaX", DoubleValue (step),
                                 "DeltaY", DoubleValue (0),
                                 "GridWidth", UintegerValue (size),
                                 "LayoutType", StringValue ("RowFirst"));
  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
  mobility.Install (nodes);
}
 
void
TracerouteExample::CreateDevices ()
{
  WifiMacHelper wifiMac;
  wifiMac.SetType ("ns3::AdhocWifiMac");
  YansWifiPhyHelper wifiPhy;
  YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();
  wifiPhy.SetChannel (wifiChannel.Create ());
  WifiHelper wifi;
  wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager", "DataMode", StringValue ("OfdmRate6Mbps"), "RtsCtsThreshold", UintegerValue (0));
  devices = wifi.Install (wifiPhy, wifiMac, nodes);
 
  if (pcap)
    {
      wifiPhy.EnablePcapAll (std::string ("aodv"));
    }
}
 
void
TracerouteExample::InstallInternetStack ()
{
  AodvHelper aodv;
  // you can configure AODV attributes here using aodv.Set(name, value)
  InternetStackHelper stack;
  stack.SetRoutingHelper (aodv); // has effect on the next Install ()
  stack.Install (nodes);
  Ipv4AddressHelper address;
  address.SetBase ("10.0.0.0", "255.0.0.0");
  interfaces = address.Assign (devices);
 
  if (printRoutes)
    {
      Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> ("aodv.routes", std::ios::out);
      aodv.PrintRoutingTableAllAt (Seconds (8), routingStream);
 
    }
}
 
void
TracerouteExample::InstallApplications ()
{
  V4TraceRouteHelper traceroute (Ipv4Address ("10.0.0.10")); //size - 1
  traceroute.SetAttribute ("Verbose", BooleanValue (true));
  ApplicationContainer p = traceroute.Install (nodes.Get (0));
 
  // Used when we wish to dump the traceroute results into a file
 
  //Ptr<OutputStreamWrapper> printstrm = Create<OutputStreamWrapper> ("mytrace", std::ios::out);
  //traceroute.PrintTraceRouteAt(nodes.Get(0),printstrm);
 
  p.Start (Seconds (0));
  p.Stop (Seconds (totalTime) - Seconds (0.001));
 
}