/* -*-  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"

using namespace ns3;

NS_LOG_COMPONENT_DEFINE ("TestMeshScript");

int
main(int argc, char *argv[])
{
  // Creating square topology with nNodes x nNodes grid:
  int      xSize       = 5;
  int      ySize       = 5;
  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::MeshWifiMac",
               "Ssid", SsidValue (ssid),
               "RandomStart", TimeValue (Seconds (randomStart))
              );
  wifi.SetPeerLinkManager ("ns3::WifiPeerManager");
  wifi.SetL2RoutingProtocol ("ns3::Hwmp");
  wifi.SetL2RoutingNetDevice ("ns3::MeshPointDevice");
  meshDevices = wifi.Install (wifiPhy,nodes,1);
  // 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"));
  NS_LOG_UNCOND("Mobility");
  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
  mobility.Install (nodes);
  NS_LOG_UNCOND("Mobility installed");
  // 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;
}