A Discrete-Event Network Simulator
API
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
realtime-dummy-network.cc
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2012 University of Washington, 2012 INRIA
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  */
19 
20 // Network topology
21 //
22 #include <sys/socket.h>
23 #include <errno.h>
24 
25 #include "ns3/core-module.h"
26 #include "ns3/network-module.h"
27 #include "ns3/internet-module.h"
28 #include "ns3/fd-net-device-module.h"
29 #include "ns3/applications-module.h"
30 
31 using namespace ns3;
32 
33 NS_LOG_COMPONENT_DEFINE ("RealtimeDummyNetworkExample");
34 
35 int
36 main (int argc, char *argv[])
37 {
38 
39  GlobalValue::Bind ("SimulatorImplementationType", StringValue ("ns3::RealtimeSimulatorImpl"));
40  GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true));
41 
42  NodeContainer nodes;
43  nodes.Create (2);
44 
45  InternetStackHelper stack;
46  stack.Install (nodes);
47 
48  FdNetDeviceHelper fd;
49  NetDeviceContainer devices = fd.Install (nodes);
50 
51  int sv[2];
52  if (socketpair (AF_UNIX, SOCK_DGRAM, 0, sv) < 0)
53  {
54  NS_FATAL_ERROR ("Error creating pipe=" << strerror (errno));
55  }
56 
57  Ptr<NetDevice> d1 = devices.Get (0);
58  Ptr<FdNetDevice> device1 = d1->GetObject<FdNetDevice> ();
59  device1->SetFileDescriptor (sv[0]);
60 
61  Ptr<NetDevice> d2 = devices.Get (1);
62  Ptr<FdNetDevice> device2 = d2->GetObject<FdNetDevice> ();
63  device2->SetFileDescriptor (sv[1]);
64 
65  Ipv4AddressHelper addresses;
66  addresses.SetBase ("10.0.0.0", "255.255.255.0");
67  Ipv4InterfaceContainer interfaces = addresses.Assign (devices);
68 
69  Ptr<V4Ping> app = CreateObject<V4Ping> ();
70  app->SetAttribute ("Remote", Ipv4AddressValue (interfaces.GetAddress (0)));
71  app->SetAttribute ("Verbose", BooleanValue (true));
72  nodes.Get (1)->AddApplication (app);
73  app->SetStartTime (Seconds (0.0));
74  app->SetStopTime (Seconds (4.0));
75 
76  fd.EnablePcapAll ("realtime-dummy-network", false);
77 
78  Simulator::Stop (Seconds (5.));
79  Simulator::Run ();
80  Simulator::Destroy ();
81 }