A Discrete-Event Network Simulator
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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 "ns3/core-module.h"
18 #include "ns3/network-module.h"
19 #include "ns3/internet-module.h"
20 #include "ns3/point-to-point-module.h"
21 #include "ns3/applications-module.h"
22 
23 using namespace ns3;
24 
25 NS_LOG_COMPONENT_DEFINE ("FirstScriptExample");
26 
27 int
28 main (int argc, char *argv[])
29 {
30  Time::SetResolution (Time::NS);
31  LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
32  LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);
33 
34  NodeContainer nodes;
35  nodes.Create (2);
36 
37  PointToPointHelper pointToPoint;
38  pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
39  pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
40 
41  NetDeviceContainer devices;
42  devices = pointToPoint.Install (nodes);
43 
44  InternetStackHelper stack;
45  stack.Install (nodes);
46 
47  Ipv4AddressHelper address;
48  address.SetBase ("10.1.1.0", "255.255.255.0");
49 
50  Ipv4InterfaceContainer interfaces = address.Assign (devices);
51 
52  UdpEchoServerHelper echoServer (9);
53 
54  ApplicationContainer serverApps = echoServer.Install (nodes.Get (1));
55  serverApps.Start (Seconds (1.0));
56  serverApps.Stop (Seconds (10.0));
57 
58  UdpEchoClientHelper echoClient (interfaces.GetAddress (1), 9);
59  echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
60  echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
61  echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
62 
63  ApplicationContainer clientApps = echoClient.Install (nodes.Get (0));
64  clientApps.Start (Seconds (2.0));
65  clientApps.Stop (Seconds (10.0));
66 
67  Simulator::Run ();
68  Simulator::Destroy ();
69  return 0;
70 }