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

#include <vector>

#include "ns3/ptr.h"

#include "ns3/mobility-model.h"

#include "ns3/default-value.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"

using namespace ns3;

static void 

CourseChange (const TraceContext &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::Parse (argc, argv);

  std::vector<Ptr<Object> > objects;

  for (uint32_t i = 0; i < 10000; i++)

    {

      objects.push_back (CreateObject<Node> ());

    }

  MobilityHelper mobility;

  mobility.EnableNotifier ();

  mobility.SetPositionAllocator ("RandomDiscPositionAllocator",

  mobility.SetMobilityModel ("StaticMobilityModel");

  mobility.Layout (objects.begin (), objects.end ());

  NodeList::Connect ("/nodes/*/$MobilityModelNotifier/course-change", 

                     MakeCallback (&CourseChange));

  Simulator::StopAt (Seconds (100.0));

  Simulator::Run ();

  return 0;

}