nix-simple.cc

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2021 NITK Surathkal
 *
 * 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
 *
 * Modified By: Ameya Deshpande <ameyanrd@outlook.com>
 *              Tommaso Pecorella <tommaso.pecorella@unifi.it>
 */
 
#include "ns3/core-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-static-routing-helper.h"
#include "ns3/ipv4-list-routing-helper.h"
#include "ns3/ipv6-static-routing-helper.h"
#include "ns3/ipv6-list-routing-helper.h"
#include "ns3/nix-vector-helper.h"
 
using namespace ns3;
 
NS_LOG_COMPONENT_DEFINE ("NixSimpleExample");
 
int
main (int argc, char *argv[])
{
  bool useIpv6 = false;
 
  CommandLine cmd (__FILE__);
  cmd.AddValue ("useIPv6", "Use IPv6 instead of IPv4", useIpv6);
  cmd.Parse (argc, argv);
 
  LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
  LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);
 
  NodeContainer nodes;
  nodes.Create (4);
 
  PointToPointHelper pointToPoint;
  pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
  pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
 
  NetDeviceContainer devices01;
  NetDeviceContainer devices12;
  NetDeviceContainer devices23;
  NetDeviceContainer devices02;
  devices01 = pointToPoint.Install (NodeContainer (nodes.Get (0), nodes.Get (1)));
  devices12 = pointToPoint.Install (NodeContainer (nodes.Get (1), nodes.Get (2)));
  devices23 = pointToPoint.Install (NodeContainer (nodes.Get (2), nodes.Get (3)));
  devices02 = pointToPoint.Install (NodeContainer (nodes.Get (0), nodes.Get (2)));
 
  Address udpServerAddress;
 
  if (!useIpv6)
    {
      // NixHelper to install nix-vector routing
      // on all nodes
      Ipv4NixVectorHelper nixRouting;
      InternetStackHelper stack;
      stack.SetRoutingHelper (nixRouting); // has effect on the next Install ()
      stack.Install (nodes);
 
      Ipv4AddressHelper address1;
      address1.SetBase ("10.1.1.0", "255.255.255.0");
      Ipv4AddressHelper address2;
      address2.SetBase ("10.1.2.0", "255.255.255.0");
      Ipv4AddressHelper address3;
      address3.SetBase ("10.1.3.0", "255.255.255.0");
      Ipv4AddressHelper address4;
      address4.SetBase ("10.1.4.0", "255.255.255.0");
 
      Ipv4InterfaceContainer interfaces01 = address1.Assign (devices01);
      Ipv4InterfaceContainer interfaces12 = address2.Assign (devices12);
      Ipv4InterfaceContainer interfaces23 = address3.Assign (devices23);
      Ipv4InterfaceContainer interfaces02 = address4.Assign (devices02);
 
      udpServerAddress = interfaces23.GetAddress (1);
 
      // Trace routing paths for different source and destinations.
      Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> ("nix-simple-ipv4.routes", std::ios::out);
      nixRouting.PrintRoutingPathAt (Seconds (3), nodes.Get (0), interfaces23.GetAddress (1), routingStream);
      nixRouting.PrintRoutingPathAt (Seconds (5), nodes.Get (1), interfaces23.GetAddress (1), routingStream);
      nixRouting.PrintRoutingPathAt (Seconds (6), nodes.Get (2), interfaces01.GetAddress (0), routingStream);
      nixRouting.PrintRoutingPathAt (Seconds (7), nodes.Get (1), interfaces01.GetAddress (1), routingStream);
      // Trace routing tables
      nixRouting.PrintRoutingTableAllAt (Seconds (8), routingStream);
    }
  else
    {
      // NixHelper to install nix-vector routing
      // on all nodes
      Ipv6NixVectorHelper nixRouting;
      InternetStackHelper stack;
      stack.SetRoutingHelper (nixRouting); // has effect on the next Install ()
      stack.Install (nodes);
 
      Ipv6AddressHelper address1;
      address1.SetBase (Ipv6Address ("2001:1::"), Ipv6Prefix (64));
      Ipv6AddressHelper address2;
      address2.SetBase (Ipv6Address ("2001:2::"), Ipv6Prefix (64));
      Ipv6AddressHelper address3;
      address3.SetBase (Ipv6Address ("2001:3::"), Ipv6Prefix (64));
      Ipv6AddressHelper address4;
      address4.SetBase (Ipv6Address ("2001:4::"), Ipv6Prefix (64));
 
      Ipv6InterfaceContainer interfaces01 = address1.Assign (devices01);
      Ipv6InterfaceContainer interfaces12 = address2.Assign (devices12);
      Ipv6InterfaceContainer interfaces23 = address3.Assign (devices23);
      Ipv6InterfaceContainer interfaces02 = address4.Assign (devices02);
 
      udpServerAddress = interfaces23.GetAddress (1, 1);
 
      // Trace routing paths for different source and destinations.
      Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> ("nix-simple-ipv6.routes", std::ios::out);
      nixRouting.PrintRoutingPathAt (Seconds (3), nodes.Get (0), interfaces23.GetAddress (1, 1), routingStream);
      nixRouting.PrintRoutingPathAt (Seconds (5), nodes.Get (1), interfaces23.GetAddress (1, 1), routingStream);
      nixRouting.PrintRoutingPathAt (Seconds (6), nodes.Get (2), interfaces01.GetAddress (0, 1), routingStream);
      nixRouting.PrintRoutingPathAt (Seconds (7), nodes.Get (1), interfaces01.GetAddress (1, 1), routingStream);
      // Trace routing tables
      nixRouting.PrintRoutingTableAllAt (Seconds (8), routingStream);
    }
  
  UdpEchoServerHelper echoServer (9);
 
  ApplicationContainer serverApps = echoServer.Install (nodes.Get (3));
  serverApps.Start (Seconds (1.0));
  serverApps.Stop (Seconds (10.0));
 
  UdpEchoClientHelper echoClient (udpServerAddress, 9);
  echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
  echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.)));
  echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
 
  ApplicationContainer clientApps = echoClient.Install (nodes.Get (0));
  clientApps.Start (Seconds (2.0));
  clientApps.Stop (Seconds (10.0));
 
  Simulator::Run ();
  Simulator::Destroy ();
  return 0;
}