#include "ns3/core-module.h"

#include "ns3/mobility-module.h"

#include "ns3/simulator-module.h"

#include "ns3/helper-module.h"

#include "ns3/mobility-module.h"

#include <iostream>

#include <fstream>

using namespace ns3;

static void 

CourseChange (std::ostream *os, std::string foo, Ptr<const MobilityModel> mobility)

{

  Vector pos = mobility->GetPosition ();

  Vector vel = mobility->GetVelocity ();

  *os << Simulator::Now () << " 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[])

{

  Ns2MobilityHelper mobility(argv[1]);

  std::ofstream os;

  os.open (argv[2]);

  NodeContainer stas;

  stas.Create (1);

  mobility.Install ();

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

                   MakeBoundCallback (&CourseChange, &os));

  Simulator::Stop (Seconds (10.0));

  Simulator::Run ();

  Simulator::Destroy ();

  os.close ();

  return 0;

}