topologia-i.cc

#include <fstream>
#include "ns3/core-module.h"
#include "ns3/internet-module.h"
#include "ns3/csma-module.h"
#include "ns3/internet-apps-module.h"
#include "ns3/ipv4-static-routing-helper.h"
#include "ns3/ipv4-routing-table-entry.h"
#include "ns3/netanim-module.h"

using namespace ns3;

NS_LOG_COMPONENT_DEFINE ("RipSimpleRouting");

int main (int argc, char **argv)
{
  bool verbose = false;
  bool printRoutingTables = false;
  bool showPings = false;
  std::string SplitHorizon ("PoisonReverse");

  CommandLine cmd;
  cmd.AddValue ("verbose", "turn on log components", verbose);
  cmd.AddValue ("printRoutingTables", "Print routing tables at 30, 60 and 90 seconds", printRoutingTables);
  cmd.AddValue ("showPings", "Show Ping6 reception", showPings);
  cmd.AddValue ("splitHorizonStrategy", "Split Horizon strategy to use (NoSplitHorizon, SplitHorizon, PoisonReverse)", SplitHorizon);
  cmd.Parse (argc, argv);

  if (verbose)
    {
      LogComponentEnableAll (LogLevel (LOG_PREFIX_TIME | LOG_PREFIX_NODE));
      LogComponentEnable ("Exemplo-RIp", LOG_LEVEL_INFO);
      LogComponentEnable ("Rip", LOG_LEVEL_ALL);
      LogComponentEnable ("Ipv4Interface", LOG_LEVEL_ALL);
      LogComponentEnable ("Icmpv4L4Protocol", LOG_LEVEL_ALL);
      LogComponentEnable ("Ipv4L3Protocol", LOG_LEVEL_ALL);
      LogComponentEnable ("ArpCache", LOG_LEVEL_ALL);
      LogComponentEnable ("V4Ping", LOG_LEVEL_ALL);
    }

  if (SplitHorizon == "NoSplitHorizon")
    {
      Config::SetDefault ("ns3::Rip::SplitHorizon", EnumValue (RipNg::NO_SPLIT_HORIZON));
    }
  else if (SplitHorizon == "SplitHorizon")
    {
      Config::SetDefault ("ns3::Rip::SplitHorizon", EnumValue (RipNg::SPLIT_HORIZON));
    }
  else
    {
      Config::SetDefault ("ns3::Rip::SplitHorizon", EnumValue (RipNg::POISON_REVERSE));
    }
	
  NS_LOG_INFO ("Create nodes.");
  Ptr<Node> pcT = CreateObject<Node> ();
  Names::Add ("TNode", pcT);
  Ptr<Node> pcR = CreateObject<Node> ();
  Names::Add ("RNode", pcR);
  Ptr<Node> a = CreateObject<Node> ();
  Names::Add ("RouterA", a);
  Ptr<Node> b = CreateObject<Node> ();
  Names::Add ("RouterB", b);
  Ptr<Node> c = CreateObject<Node> ();
  Names::Add ("RouterC", c);
  NodeContainer net1 (pcT, a);
  NodeContainer net2 (a, b);
  NodeContainer net3 (b, c);
  NodeContainer net4 (c, pcR);
  NodeContainer routers (a, b, c);
  NodeContainer nodes (pcT, pcR);
  
  NS_LOG_INFO ("Create channels.");
  CsmaHelper csma;
  csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
  csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
  NetDeviceContainer ndc1 = csma.Install (net1);
  NetDeviceContainer ndc2 = csma.Install (net2);
  NetDeviceContainer ndc3 = csma.Install (net3);
  NetDeviceContainer ndc4 = csma.Install (net4);

  NS_LOG_INFO ("Create IPv4 and routing");
  RipHelper ripRouting;

  // Rule of thumb:
  // Interfaces are added sequentially, starting from 0
  // However, interface 0 is always the loopback...
  ripRouting.ExcludeInterface (a, 1);
  ripRouting.ExcludeInterface (b, 2);
  ripRouting.ExcludeInterface (c, 3);

  Ipv4ListRoutingHelper listRH;
  listRH.Add (ripRouting, 0);
  
  InternetStackHelper internet;
  internet.SetIpv6StackInstall (false);
  internet.SetRoutingHelper (listRH);
  internet.Install (routers);

  InternetStackHelper internetNodes;
  internetNodes.SetIpv6StackInstall (false);
  internetNodes.Install (nodes);
  
  NS_LOG_INFO ("Assign IPv4 Addresses.");
  Ipv4AddressHelper ipv4;
  
  ipv4.SetBase (Ipv4Address ("10.0.0.0"), Ipv4Mask ("255.255.255.0"));
  Ipv4InterfaceContainer iic1 = ipv4.Assign (ndc1);

  ipv4.SetBase (Ipv4Address ("10.0.1.0"), Ipv4Mask ("255.255.255.0"));
  Ipv4InterfaceContainer iic2 = ipv4.Assign (ndc2);

  ipv4.SetBase (Ipv4Address ("10.0.2.0"), Ipv4Mask ("255.255.255.0"));
  Ipv4InterfaceContainer iic3 = ipv4.Assign (ndc3);

  ipv4.SetBase (Ipv4Address ("10.0.3.0"), Ipv4Mask ("255.255.255.0"));
  Ipv4InterfaceContainer iic4 = ipv4.Assign (ndc4);
  
  Ptr<Ipv4StaticRouting> staticRouting;
  staticRouting = Ipv4RoutingHelper::GetRouting <Ipv4StaticRouting> (pcT->GetObject<Ipv4> ()->GetRoutingProtocol ());
  staticRouting->SetDefaultRoute ("10.0.0.2", 1 );
  staticRouting = Ipv4RoutingHelper::GetRouting <Ipv4StaticRouting> (pcR->GetObject<Ipv4> ()->GetRoutingProtocol ());
  staticRouting->SetDefaultRoute ("10.0.2.1", 1 );
  
  if (printRoutingTables)
    {
      RipHelper routingHelper;

      Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> (&std::cout);

      routingHelper.PrintRoutingTableAt (Seconds (30.0), a, routingStream);
      routingHelper.PrintRoutingTableAt (Seconds (30.0), b, routingStream);

      routingHelper.PrintRoutingTableAt (Seconds (60.0), a, routingStream);
      routingHelper.PrintRoutingTableAt (Seconds (60.0), b, routingStream);

      routingHelper.PrintRoutingTableAt (Seconds (90.0), a, routingStream);
      routingHelper.PrintRoutingTableAt (Seconds (90.0), b, routingStream);
    }
	
  NS_LOG_INFO ("Create Applications.");
  uint32_t packetSize = 1024;
  Time interPacketInterval = Seconds (1.0);
  V4PingHelper ping ("10.0.2.2");	
  
  ping.SetAttribute ("Interval", TimeValue (interPacketInterval));
  ping.SetAttribute ("Size", UintegerValue (packetSize));
  if (showPings)
    {
      ping.SetAttribute ("Verbose", BooleanValue (true));
    }
  ApplicationContainer apps = ping.Install (pcT);
  apps.Start (Seconds (1.0));
  apps.Stop (Seconds (110.0));

  AsciiTraceHelper ascii;
  csma.EnableAsciiAll (ascii.CreateFileStream ("exemplo-rip.tr"));
  csma.EnablePcapAll ("exemplo-rip", true);
  
  /* Now, do the actual simulation. */
  NS_LOG_INFO ("Run Simulation.");
  Simulator::Stop (Seconds (131.0));
  AnimationInterface anim ("animation.xml");
  Simulator::Run ();
  Simulator::Destroy ();
  NS_LOG_INFO ("Done.");
}