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udp-trace-client-server.cc
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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 // Network topology
18 //
19 // n0 n1
20 // | |
21 // =======
22 // LAN
23 //
24 // - UDP flows from n0 to n1
25 
26 #include <fstream>
27 #include "ns3/core-module.h"
28 #include "ns3/csma-module.h"
29 #include "ns3/applications-module.h"
30 #include "ns3/internet-module.h"
31 
32 using namespace ns3;
33 
34 NS_LOG_COMPONENT_DEFINE ("UdpTraceClientServerExample");
35 
36 int
37 main (int argc, char *argv[])
38 {
39 //
40 // Enable logging for UdpClient and
41 //
42  LogComponentEnable ("UdpTraceClient", LOG_LEVEL_INFO);
43  LogComponentEnable ("UdpServer", LOG_LEVEL_INFO);
44 
45  bool useV6 = false;
46  Address serverAddress;
47 
48  CommandLine cmd;
49  cmd.AddValue ("useIpv6", "Use Ipv6", useV6);
50  cmd.Parse (argc, argv);
51 
52 //
53 // Explicitly create the nodes required by the topology (shown above).
54 //
55  NS_LOG_INFO ("Create nodes.");
56  NodeContainer n;
57  n.Create (2);
58 
59  InternetStackHelper internet;
60  internet.Install (n);
61 
62  NS_LOG_INFO ("Create channels.");
63 //
64 // Explicitly create the channels required by the topology (shown above).
65 //
66  CsmaHelper csma;
67  csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
68  csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
69  csma.SetDeviceAttribute ("Mtu", UintegerValue (1500));
70  NetDeviceContainer d = csma.Install (n);
71 
72 //
73 // We've got the "hardware" in place. Now we need to add IP addresses.
74 //
75  NS_LOG_INFO ("Assign IP Addresses.");
76  if (useV6 == false)
77  {
78  Ipv4AddressHelper ipv4;
79  ipv4.SetBase ("10.1.1.0", "255.255.255.0");
80  Ipv4InterfaceContainer i = ipv4.Assign (d);
81  serverAddress = Address (i.GetAddress (1));
82  }
83  else
84  {
85  Ipv6AddressHelper ipv6;
86  ipv6.SetBase ("2001:0000:f00d:cafe::", Ipv6Prefix (64));
87  Ipv6InterfaceContainer i6 = ipv6.Assign (d);
88  serverAddress = Address(i6.GetAddress (1,1));
89  }
90 
91  NS_LOG_INFO ("Create Applications.");
92 //
93 // Create one udpServer applications on node one.
94 //
95  uint16_t port = 4000;
96  UdpServerHelper server (port);
97  ApplicationContainer apps = server.Install (n.Get (1));
98  apps.Start (Seconds (1.0));
99  apps.Stop (Seconds (10.0));
100 
101 //
102 // Create one UdpTraceClient application to send UDP datagrams from node zero to
103 // node one.
104 //
105  uint32_t MaxPacketSize = 1472; // Back off 20 (IP) + 8 (UDP) bytes from MTU
106  UdpTraceClientHelper client (serverAddress, port,"");
107  client.SetAttribute ("MaxPacketSize", UintegerValue (MaxPacketSize));
108  apps = client.Install (n.Get (0));
109  apps.Start (Seconds (2.0));
110  apps.Stop (Seconds (10.0));
111 
112 //
113 // Now, do the actual simulation.
114 //
115  NS_LOG_INFO ("Run Simulation.");
116  Simulator::Run ();
117  Simulator::Destroy ();
118  NS_LOG_INFO ("Done.");
119 }