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

/*

 * Copyright (c) 2008,2009 IITP RAS

 *

 * 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

 *

 * Author: Kirill Andreev <andreev@iitp.ru>

 */

#include "ns3/core-module.h"

#include "ns3/simulator-module.h"

#include "ns3/node-module.h"

#include "ns3/helper-module.h"

#include "ns3/global-routing-module.h"

#include "ns3/wifi-module.h"

#include "ns3/mesh-module.h"

#include "ns3/mobility-module.h"

#include "ns3/dot11s-helper.h"

using namespace ns3;

using namespace dot11s;

NS_LOG_COMPONENT_DEFINE ("TestMeshScript");

int

main (int argc, char *argv[])

{

  // Creating square topology with nNodes x nNodes grid:

  double   step        = 100.0; //Grid with one-hop edge

  double   randomStart = 0.1; //One beacon interval

  NodeContainer      nodes;

  CommandLine        cmd;

  MobilityHelper     mobility;

  MeshWifiHelper     wifi;

  NetDeviceContainer meshDevices;

  // Defining a size of our network:

  cmd.AddValue ("x-size", "Number of nodes in a row grid", xSize);

  cmd.AddValue ("y-size", "Number of rows in a grid", ySize);

  cmd.AddValue ("step", "Size of edge in our grid", step);

  cmd.AddValue ("start", "Random start parameter", randomStart);

  cmd.Parse (argc, argv);

  NS_LOG_DEBUG ("Grid:"<<xSize<<"*"<<ySize);

  // Creating nodes:

  nodes.Create (ySize*xSize);

  // Setting channel:

  YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();

  YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();

  wifiPhy.SetChannel (wifiChannel.Create ());

  // Setting Wifi:

  //wifi.SetPhy ("ns3::WifiPhy");

  wifi.SetRemoteStationManager ("ns3::AarfWifiManager");

  Ssid ssid = Ssid ("MyMeSH");

  wifi.SetMac ("ns3::MeshWifiInterfaceMac",

               "Ssid", SsidValue (ssid),

               "RandomStart", TimeValue (Seconds (randomStart))

              );

  wifi.SetRouting("ns3::dot11s::HwmpProtocol");

  wifi.SetPeerManager("ns3::dot11s::PeerManagerProtocol");

  wifi.SetL2RoutingNetDevice ("ns3::MeshPointDevice");

  meshDevices = wifi.Install (wifiPhy,nodes);

  // Installing Mobility.

  mobility.SetPositionAllocator ("ns3::GridPositionAllocator",

                                 "MinX", DoubleValue (0.0),

                                 "MinY", DoubleValue (0.0),

                                 "DeltaX", DoubleValue (step),

                                 "DeltaY", DoubleValue (step),

                                 "GridWidth", UintegerValue (xSize),

                                 "LayoutType", StringValue ("RowFirst"));

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

  mobility.Install (nodes);

  NS_LOG_UNCOND("start");

  // Setting Internet Stack:

  InternetStackHelper stack;

  stack.Install (nodes);

  Ipv4AddressHelper address;

  address.SetBase ("10.1.1.0", "255.255.255.0");

  Ipv4InterfaceContainer interfaces = address.Assign (meshDevices);

  UdpEchoServerHelper echoServer (9);

  ApplicationContainer serverApps = echoServer.Install (nodes.Get (0));

  serverApps.Start (Seconds (1.0));

  serverApps.Stop (Seconds (10.0));

  UdpEchoClientHelper echoClient (interfaces.GetAddress (0), 9);

  echoClient.SetAttribute ("MaxPackets", UintegerValue (1000));

  echoClient.SetAttribute ("Interval", TimeValue (Seconds (0.001)));

  echoClient.SetAttribute ("PacketSize", UintegerValue (1024));

  ApplicationContainer clientApps = echoClient.Install (nodes.Get (1));

  clientApps.Start (Seconds (2.0));

  clientApps.Stop (Seconds (10.0));

  //end

  Simulator::Stop (Seconds (10.0));

  Simulator::Run ();

  Simulator::Destroy ();

  return 0;

}