/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/internet-module.h"
#include "ns3/point-to-point-module.h"
#include "ns3/applications-module.h"

using namespace ns3;

NS_LOG_COMPONENT_DEFINE ("FirstScriptExample");

void ReceivePacket (Ptr<Socket> socket)
{
  static int pktCount = 100000;

  Address from;
  while (socket->RecvFrom (from))
    {
//      NS_LOG_UNCOND (pktCount << " - Received one packet!");
      if (pktCount > 0)
        {
          socket->SendTo (Create<Packet> (1024), 0, from);
          pktCount --;
        }
      else
        {
          socket->Close ();
        }
    }
}

int
main (int argc, char *argv[])
{
  Time::SetResolution (Time::NS);
  LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
  LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);

  NodeContainer nodes;
  nodes.Create (1);

  InternetStackHelper stack;
  stack.Install (nodes);

  TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
  Ptr<Socket> recvSink = Socket::CreateSocket (nodes.Get (0), tid);
  InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny (), 80);
  recvSink->Bind (local);
  recvSink->SetRecvCallback (MakeCallback (&ReceivePacket));

  Ptr<Socket> source = Socket::CreateSocket (nodes.Get (0), tid);
  InetSocketAddress remote = InetSocketAddress (Ipv4Address ("127.0.0.1"), 80);
  source->SetAllowBroadcast (true);
  source->Connect (remote);
  source->SetRecvCallback (MakeCallback (&ReceivePacket));
  source->Send (Create<Packet> (1024));

  Simulator::Run ();
  Simulator::Destroy ();
  return 0;
}