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

#include <vector>

#include "ns3/ptr.h"

#include "ns3/mobility-model.h"

#include "ns3/command-line.h"

#include "ns3/simulator.h"

#include "ns3/nstime.h"

#include "ns3/node.h"

#include "ns3/mobility-helper.h"

#include "ns3/node-list.h"

#include "ns3/string.h"

#include "ns3/config.h"

using namespace ns3;

static void 

CourseChange (std::string context, Ptr<const MobilityModel> position)

{

  Vector pos = position->GetPosition ();

  std::cout << Simulator::Now () << ", pos=" << position << ", x=" << pos.x << ", y=" << pos.y

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

}

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

{

  CommandLine cmd;

  cmd.Parse (argc, argv);

  MobilityHelper mobility;

  mobility.EnableNotifier ();

  mobility.SetPositionAllocator ("ns3::RandomDiscPositionAllocator",

                                 "X", String ("100.0"),

                                 "Y", String ("100.0"),

                                 "Rho", String ("Uniform:0:30"));

  mobility.SetMobilityModel ("ns3::StaticMobilityModel");

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

                              MakeCallback (&CourseChange));

  Simulator::StopAt (Seconds (100.0));

  Simulator::Run ();

  return 0;

}