/* -*-  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

 *

 */

#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/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::L2RoutingNetDevice");

	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;

}