/* -*- 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

 */

// Port of ns-2/tcl/ex/simple.tcl to ns-3

//

// Network topology

//

//       n0    n1   n2   n3

//       |     |    |    |

//     =====================

//

// - CBR/UDP flows from n0 to n1, and from n3 to n0

// - UDP packet size of 210 bytes, with per-packet interval 0.00375 sec.

//   (i.e., DataRate of 448,000 bps)

// - DropTail queues 

// - Tracing of queues and packet receptions to file "csma-one-subnet.tr"

#include <iostream>

#include <fstream>

#include <string>

#include <cassert>

#include "ns3/ascii-trace.h"

#include "ns3/pcap-trace.h"

using namespace ns3;

NS_LOG_COMPONENT_DEFINE ("CsmaPacketSocketExample");

int

main (int argc, char *argv[])

{

#if 0 

  LogComponentEnable ("CsmaPacketSocketExample", LOG_LEVEL_INFO);

  LogComponentEnable("Object", LOG_LEVEL_ALL);

  LogComponentEnable("Queue", LOG_LEVEL_ALL);

  LogComponentEnable("DropTailQueue", LOG_LEVEL_ALL);

  LogComponentEnable("Channel", LOG_LEVEL_ALL);

  LogComponentEnable("CsmaChannel", LOG_LEVEL_ALL);

  LogComponentEnable("NetDevice", LOG_LEVEL_ALL);

  LogComponentEnable("CsmaNetDevice", LOG_LEVEL_ALL);

  LogComponentEnable("Ipv4L3Protocol", LOG_LEVEL_ALL);

  LogComponentEnable("PacketSocket", LOG_LEVEL_ALL);

  LogComponentEnable("Socket", LOG_LEVEL_ALL);

  LogComponentEnable("UdpSocket", LOG_LEVEL_ALL);

  LogComponentEnable("UdpL4Protocol", LOG_LEVEL_ALL);

  LogComponentEnable("Ipv4L3Protocol", LOG_LEVEL_ALL);

  LogComponentEnable("Ipv4StaticRouting", LOG_LEVEL_ALL);

  LogComponentEnable("Ipv4Interface", LOG_LEVEL_ALL);

  LogComponentEnable("ArpIpv4Interface", LOG_LEVEL_ALL);

  LogComponentEnable("Ipv4LoopbackInterface", LOG_LEVEL_ALL);

  LogComponentEnable("OnOffApplication", LOG_LEVEL_ALL);

  LogComponentEnable("PacketSinkApplication", LOG_LEVEL_ALL);

  LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_ALL);

  LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_ALL);

#endif

  CommandLine cmd;

  cmd.Parse (argc, argv);

  NS_LOG_INFO ("Create nodes.");

  // create the shared medium used by all csma devices.

  NS_LOG_INFO ("Create channels.");

  Ptr<CsmaChannel> channel = CreateObject<CsmaChannel> ("BitRate", DataRate(5000000), 

                                                        "Delay", MilliSeconds(2));

  // use a helper function to connect our nodes to the shared channel.

  NS_LOG_INFO ("Build Topology.");

  // Configure tracing of all enqueue, dequeue, and NetDevice receive events

  // Trace output will be sent to the csma-packet-socket.tr file

  NS_LOG_INFO ("Configure Tracing.");

  AsciiTrace asciitrace ("csma-packet-socket.tr");

  asciitrace.TraceAllNetDeviceRx ();

  asciitrace.TraceAllQueues ();

  NS_LOG_INFO ("Run Simulation.");

  Simulator::Run ();

  Simulator::Destroy ();

  NS_LOG_INFO ("Done.");

}