/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

#include "ns3/core-module.h"

#include "ns3/helper-module.h"

#include "ns3/mobility-module.h"

#include "ns3/simulator-module.h"

using namespace ns3;

static void 

CourseChange (ns3::TraceContext const&, Ptr<const MobilityModel> mobility)

{

  Vector pos = mobility->GetPosition ();

  Vector vel = mobility->GetVelocity ();

  std::cout << Simulator::Now () << ", model=" << mobility << ", POS: x=" << pos.x << ", y=" << pos.y

            << ", z=" << pos.z << "; VEL:" << vel.x << ", y=" << vel.y

            << ", z=" << vel.z << std::endl;

}

int main (int argc, char *argv[])

{

  CommandLine cmd;

  cmd.Parse (argc, argv);

  NodeContainer c;

  c.Create (100);

  MobilityHelper mobility;

  mobility.EnableNotifier ();

  mobility.SetPositionAllocator ("ns3::RandomDiscPositionAllocator",

  mobility.SetMobilityModel ("ns3::RandomWalk2dMobilityModel",

  mobility.LayoutAll ();

  Config::Connect ("/NodeList/*/$ns3::MobilityModelNotifier/CourseChange",

  Simulator::StopAt (Seconds (100.0));

  Simulator::Run ();

  return 0;

}