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/csma-module.h"
20 #include "ns3/internet-module.h"
21 #include "ns3/point-to-point-module.h"
22 #include "ns3/applications-module.h"
23 #include "ns3/ipv4-global-routing-helper.h"
24
25 // Default Network Topology
26 //
27 // 10.1.1.0
28 // n0 -------------- n1 n2 n3 n4
29 // point-to-point | | | |
30 // ================
31 // LAN 10.1.2.0
32
33
34 using namespace ns3;
35
36 NS_LOG_COMPONENT_DEFINE ("SecondScriptExample");
37
38 int
main(int argc,char * argv[])39 main (int argc, char *argv[])
40 {
41 bool verbose = true;
42 uint32_t nCsma = 3;
43
44 CommandLine cmd (__FILE__);
45 cmd.AddValue ("nCsma", "Number of \"extra\" CSMA nodes/devices", nCsma);
46 cmd.AddValue ("verbose", "Tell echo applications to log if true", verbose);
47
48 cmd.Parse (argc,argv);
49
50 if (verbose)
51 {
52 LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
53 LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);
54 }
55
56 nCsma = nCsma == 0 ? 1 : nCsma;
57
58 NodeContainer p2pNodes;
59 p2pNodes.Create (2);
60
61 NodeContainer csmaNodes;
62 csmaNodes.Add (p2pNodes.Get (1));
63 csmaNodes.Create (nCsma);
64
65 PointToPointHelper pointToPoint;
66 pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
67 pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
68
69 NetDeviceContainer p2pDevices;
70 p2pDevices = pointToPoint.Install (p2pNodes);
71
72 CsmaHelper csma;
73 csma.SetChannelAttribute ("DataRate", StringValue ("100Mbps"));
74 csma.SetChannelAttribute ("Delay", TimeValue (NanoSeconds (6560)));
75
76 NetDeviceContainer csmaDevices;
77 csmaDevices = csma.Install (csmaNodes);
78
79 InternetStackHelper stack;
80 stack.Install (p2pNodes.Get (0));
81 stack.Install (csmaNodes);
82
83 Ipv4AddressHelper address;
84 address.SetBase ("10.1.1.0", "255.255.255.0");
85 Ipv4InterfaceContainer p2pInterfaces;
86 p2pInterfaces = address.Assign (p2pDevices);
87
88 address.SetBase ("10.1.2.0", "255.255.255.0");
89 Ipv4InterfaceContainer csmaInterfaces;
90 csmaInterfaces = address.Assign (csmaDevices);
91
92 UdpEchoServerHelper echoServer (9);
93
94 ApplicationContainer serverApps = echoServer.Install (csmaNodes.Get (nCsma));
95 serverApps.Start (Seconds (1.0));
96 serverApps.Stop (Seconds (10.0));
97
98 UdpEchoClientHelper echoClient (csmaInterfaces.GetAddress (nCsma), 9);
99 echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
100 echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
101 echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
102
103 ApplicationContainer clientApps = echoClient.Install (p2pNodes.Get (0));
104 clientApps.Start (Seconds (2.0));
105 clientApps.Stop (Seconds (10.0));
106
107 Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
108
109 pointToPoint.EnablePcapAll ("second");
110 csma.EnablePcap ("second", csmaDevices.Get (1), true);
111
112 Simulator::Run ();
113 Simulator::Destroy ();
114 return 0;
115 }
116