61   wifiPhy.SetChannel (wifiChannel.Create ());

    61   wifiPhy.SetChannel (wifiChannel.Create ());

    62   // Setting Wifi:

    62   // Setting Wifi:

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

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

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

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

    65   Ssid ssid = Ssid ("MyMeSH");

    65   Ssid ssid = Ssid ("MyMeSH");

    67                "Ssid", SsidValue (ssid),

    67                "Ssid", SsidValue (ssid),

    68                "RandomStart", TimeValue (Seconds (randomStart))

    68                "RandomStart", TimeValue (Seconds (randomStart))

    69               );

    69               );

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

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

    74   // Installing Mobility.

    72   // Installing Mobility.

    75   mobility.SetPositionAllocator ("ns3::GridPositionAllocator",

    73   mobility.SetPositionAllocator ("ns3::GridPositionAllocator",

    76                                  "MinX", DoubleValue (0.0),

    74                                  "MinX", DoubleValue (0.0),

    77                                  "MinY", DoubleValue (0.0),

    75                                  "MinY", DoubleValue (0.0),

    78                                  "DeltaX", DoubleValue (step),

    76                                  "DeltaX", DoubleValue (step),

    79                                  "DeltaY", DoubleValue (step),

    77                                  "DeltaY", DoubleValue (step),

    80                                  "GridWidth", UintegerValue (xSize),

    78                                  "GridWidth", UintegerValue (xSize),

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

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

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

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

    83   mobility.Install (nodes);

    81   mobility.Install (nodes);

    84   // Setting Internet Stack:

    83   // Setting Internet Stack:

    85   InternetStackHelper stack;

    84   InternetStackHelper stack;

    86   stack.Install (nodes);

    85   stack.Install (nodes);

    87   Ipv4AddressHelper address;

    86   Ipv4AddressHelper address;

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

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

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

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

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

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

    99   clientApps.Start (Seconds (2.0));

    98   clientApps.Start (Seconds (2.0));

   100   clientApps.Stop (Seconds (10.0));

    99   clientApps.Stop (Seconds (10.0));

   101   //end

   100   //end

   102   Simulator::Stop (Seconds (10.0));

   102   Simulator::Stop (Seconds (10.0));

   103   Simulator::Run ();

   103   Simulator::Run ();

   104   Simulator::Destroy ();

   104   Simulator::Destroy ();

   105   return 0;

   105   return 0;

   106 }

   106 }