/* -*- 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/log.h"

#include "ns3/ptr.h"

#include "ns3/internet-node.h"

#include "ns3/point-to-point-channel.h"

#include "ns3/mac48-address.h"

#include "ns3/point-to-point-net-device.h"

#include "ns3/point-to-point-topology.h"

#include "ns3/udp-echo-client.h"

#include "ns3/udp-echo-server.h"

#include "ns3/simulator.h"

#include "ns3/nstime.h"

#include "ns3/ascii-trace.h"

#include "ns3/pcap-trace.h"

#include "ns3/global-route-manager.h"

NS_LOG_COMPONENT_DEFINE ("PointToPointSimulation");

using namespace ns3;

// Network topology

//

//                       point to point

//                      +--------------+

//                      |              |

//                     n0             n1

//

int 

main (int argc, char *argv[])

{

  LogComponentEnable ("PointToPointSimulation", LOG_LEVEL_INFO);

  NS_LOG_INFO ("Point to Point Topology Simulation");

  Ptr<Node> n0 = Create<InternetNode> ();

  Ptr<Node> n1 = Create<InternetNode> ();

  Ptr<PointToPointChannel> link = PointToPointTopology::AddPointToPointLink (

    n0, n1, DataRate (38400), MilliSeconds (20));

  PointToPointTopology::AddIpv4Addresses (link, n0, "10.1.1.1", 

    n1, "10.1.1.2");

  uint16_t port = 7;

  Ptr<UdpEchoClient> client = Create<UdpEchoClient> (n0, "10.1.1.2", port, 

    1, Seconds(1.), 1024);

  Ptr<UdpEchoServer> server = Create<UdpEchoServer> (n1, port);

  server->Start(Seconds(1.));

  client->Start(Seconds(2.));

  server->Stop (Seconds(10.));

  client->Stop (Seconds(10.));

  AsciiTrace asciitrace ("tutorial.tr");

  asciitrace.TraceAllQueues ();

  asciitrace.TraceAllNetDeviceRx ();

  Simulator::Run ();

  Simulator::Destroy ();

}