A Discrete-Event Network Simulator
API
dummy-network.cc
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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/internet-apps-module.h"
30
31using namespace ns3;
32
33NS_LOG_COMPONENT_DEFINE ("DummyNetworkExample");
34
35int
36main (int argc, char *argv[])
37{
38 CommandLine cmd (__FILE__);
39 cmd.Parse (argc, argv);
40
42 nodes.Create (2);
43
45 stack.Install (nodes);
46
49
50 int sv[2];
51 if (socketpair (AF_UNIX, SOCK_DGRAM, 0, sv) < 0)
52 {
53 NS_FATAL_ERROR ("Error creating pipe=" << strerror (errno));
54 }
55
56 Ptr<NetDevice> d1 = devices.Get (0);
57 Ptr<FdNetDevice> device1 = d1->GetObject<FdNetDevice> ();
58 device1->SetFileDescriptor (sv[0]);
59
60 Ptr<NetDevice> d2 = devices.Get (1);
61 Ptr<FdNetDevice> device2 = d2->GetObject<FdNetDevice> ();
62 device2->SetFileDescriptor (sv[1]);
63
64 Ipv4AddressHelper addresses;
65 addresses.SetBase ("10.0.0.0", "255.255.255.0");
67
68 Ptr<V4Ping> app = CreateObject<V4Ping> ();
69 app->SetAttribute ("Remote", Ipv4AddressValue (interfaces.GetAddress (0)));
70 app->SetAttribute ("Verbose", BooleanValue (true));
71 nodes.Get (1)->AddApplication (app);
72 app->SetStartTime (Seconds (0.0));
73 app->SetStopTime (Seconds (4.0));
74
75 fd.EnablePcapAll ("dummy-network", true);
76
77 // The next three lines will stop the simulator at time 5 seconds. Usually,
78 // it is sufficient to just call Simulator::Stop (Seconds (5)).
79 // However, in order to produce a clean valgrind output
80 // when running this example in our test suite (see issue #343), we
81 // first stop each device explicitly at time 5, and then wait one
82 // simulator timestep later (1 nanosecond by default) to call
83 // Simulator::Stop ().
84 device1->Stop (Seconds (5));
85 device2->Stop (Seconds (5));
86 Simulator::Stop (Seconds (5) + TimeStep (1));
87 Simulator::Run ();
88 Simulator::Destroy ();
89}
AttributeValue implementation for Boolean.
Definition: boolean.h:37
Parse command-line arguments.
Definition: command-line.h:229
build a set of FdNetDevice objects Normally we eschew multiple inheritance, however,...
virtual NetDeviceContainer Install(Ptr< Node > node) const
This method creates a FdNetDevice and associates it to a node.
a NetDevice to read/write network traffic from/into a file descriptor.
Definition: fd-net-device.h:85
aggregate IP/TCP/UDP functionality to existing Nodes.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.
Ipv4InterfaceContainer Assign(const NetDeviceContainer &c)
Assign IP addresses to the net devices specified in the container based on the current network prefix...
AttributeValue implementation for Ipv4Address.
holds a vector of std::pair of Ptr<Ipv4> and interface index.
holds a vector of ns3::NetDevice pointers
keep track of a set of node pointers.
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:470
void EnablePcapAll(std::string prefix, bool promiscuous=false)
Enable pcap output on each device (which is of the appropriate type) in the set of all nodes created ...
Time TimeStep(uint64_t ts)
Scheduler interface.
Definition: nstime.h:1303
#define NS_FATAL_ERROR(msg)
Report a fatal error with a message and terminate.
Definition: fatal-error.h:165
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1244
devices
Definition: first.py:39
stack
Definition: first.py:41
nodes
Definition: first.py:32
interfaces
Definition: first.py:48
Every class exported by the ns3 library is enclosed in the ns3 namespace.
cmd
Definition: second.py:35