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

     2 /*

     3  * This program is free software; you can redistribute it and/or modify

     4  * it under the terms of the GNU General Public License version 2 as

     5  * published by the Free Software Foundation;

     6  *

     7  * This program is distributed in the hope that it will be useful,

     8  * but WITHOUT ANY WARRANTY; without even the implied warranty of

     9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    10  * GNU General Public License for more details.

    11  *

    12  * You should have received a copy of the GNU General Public License

    13  * along with this program; if not, write to the Free Software

    14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    15  */

    16 

    17 #include <fstream>

    18 

    19 #include "ns3/core-module.h"

    20 #include "ns3/node-module.h"

    21 #include "ns3/helper-module.h"

    22 #include "ns3/simulator-module.h"

    23 #include "ns3/global-route-manager.h"

    24 

    25 

    26 NS_LOG_COMPONENT_DEFINE ("DumbbellSimulation");

    27 

    28 using namespace ns3;

    29 

    30 // Network topology

    31 //

    32 //                       point to point

    33 //                      +--------------+

    34 //                      |              |

    35 //       n0   n1   n2   n3             n4   n5   n6   n7

    36 //       |    |    |    |              |    |    |    |

    37 //       ================              ================

    38 //             lan1                          lan2

    39 //

    40 int 

    41 main (int argc, char *argv[])

    42 {

    43   LogComponentEnable ("DumbbellSimulation", LOG_LEVEL_INFO);

    44 

    45   NS_LOG_INFO ("Dumbbell Topology Simulation");

    46 //

    47 // Create the lan on the left side of the dumbbell.

    48 //

    49   NodeContainer lan1;

    50   lan1.Create (4);

    51 

    52   InternetStackHelper internet;

    53   internet.Install (lan1);

    54 

    55   CsmaHelper csma;

    56   csma.SetChannelParameter ("DataRate", StringValue ("10Mbps"));

    57   csma.SetChannelParameter ("Delay", StringValue ("2ms"));

    58   NetDeviceContainer dev1 = csma.Install (lan1);

    59   Ipv4AddressHelper ipv4;

    60   ipv4.SetBase ("10.1.1.0", "255.255.255.0");

    61   Ipv4InterfaceContainer i1 = ipv4.Assign (dev1);

    62 

    63 

    64 //

    65 // Create the lan on the right side of the dumbbell.

    66 //

    67   NodeContainer lan2;

    68   lan2.Create (4);

    69   internet.Install (lan2);

    70 

    71   NetDeviceContainer dev2 = csma.Install (lan2);

    72   ipv4.SetBase ("10.1.2.0", "255.255.255.0");

    73   Ipv4InterfaceContainer i2 = ipv4.Assign (dev2);

    74 

    75 

    76 //

    77 // Create the point-to-point link to connect the two lans.

    78 //

    79   NodeContainer backbone = NodeContainer (lan1.Get (3), lan2.Get (0));

    80   PointToPointHelper p2p;

    81   p2p.SetChannelParameter ("DataRate", StringValue ("38400bps"));

    82   p2p.SetChannelParameter ("Delay", StringValue ("20ms"));

    83   NetDeviceContainer dev3 = p2p.Install (backbone);

    84   ipv4.SetBase ("10.1.3.0", "255.255.255.0");

    85   ipv4.Assign (dev3);

    86 

    87 //

    88 // Create data flows across the link:

    89 //   n0 ==> n4 ==> n0

    90 //   n1 ==> n5 ==> n1

    91 //   n2 ==> n6 ==> n2

    92 //   n3 ==> n7 ==> n3

    93 //

    94   uint16_t port = 7;

    95 

    96   UdpEchoClientHelper client;

    97   client.SetRemote (i2.GetAddress (0), port);

    98   client.SetAppAttribute ("MaxPackets", UintegerValue (100));

    99   client.SetAppAttribute ("Interval", StringValue ("10ms"));

   100   client.SetAppAttribute ("PacketSize", UintegerValue (1024));

   101   ApplicationContainer apps = client.Install (lan1.Get (0));

   102   apps.Start (Seconds(2.));

   103   apps.Stop (Seconds (10.0));

   104 

   105   client.SetRemote (i2.GetAddress (1), port);

   106   apps = client.Install (lan1.Get (1));

   107   apps.Start (Seconds(2.1));

   108   apps.Stop (Seconds (10.0));

   109   

   110   client.SetRemote (i2.GetAddress (2), port);

   111   apps = client.Install (lan1.Get (2));

   112   apps.Start (Seconds(2.2));

   113   apps.Stop (Seconds (10.0));

   114 

   115   client.SetRemote (i2.GetAddress (3), port);

   116   apps = client.Install (lan1.Get (3));

   117   apps.Start (Seconds(2.3));

   118   apps.Stop (Seconds (10.0));

   119 

   120 

   121   UdpEchoServerHelper server;

   122   server.SetPort (port);

   123   apps = server.Install (lan2.Get (0));

   124   apps.Start (Seconds (1.0));

   125   apps.Stop (Seconds (10.0));

   126   apps = server.Install (lan2.Get (1));

   127   apps.Start (Seconds (1.0));

   128   apps.Stop (Seconds (10.0));

   129   apps = server.Install (lan2.Get (2));

   130   apps.Start (Seconds (1.0));

   131   apps.Stop (Seconds (10.0));

   132   apps = server.Install (lan2.Get (3));

   133   apps.Start (Seconds (1.0));

   134   apps.Stop (Seconds (10.0));

   135 

   136   GlobalRouteManager::PopulateRoutingTables ();

   137 

   138   std::ofstream os;

   139   os.open ("tutorial.tr");

   140   PointToPointHelper::EnableAsciiAll (os);

   141   CsmaHelper::EnableAsciiAll (os);

   142 

   143   PointToPointHelper::EnablePcapAll ("tutorial");

   144   CsmaHelper::EnablePcapAll ("tutorial");

   145 

   146   Simulator::Run ();

   147   Simulator::Destroy ();

   148 }