A Discrete-Event Network Simulator
API
fd-tap-ping6.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// Allow ns-3 to ping a TAP device in the host machine.
20//
21// -------------------------------------------------
22// | ns-3 simulation |
23// | |
24// | ------- -------- |
25// | | node | | node | |
26// | | (r) | | (n) | |
27// | | | | | |
28// | ------- -------- -------- |
29// | | fd- | csma- | | csma- | |
30// | | net- | net- | | net- | |
31// | | device| device | | device | |
32// | ------- -------- -------- |
33// | | |____csma channel_____| |
34// | | |
35// ----|------------------------------------------
36// | --- |
37// | | | |
38// | |TAP| |
39// | | | |
40// | --- |
41// | |
42// | host |
43// ------------------
44//
45//
46
47#include <sstream>
48#include <string>
49
50#include "ns3/core-module.h"
51#include "ns3/internet-module.h"
52#include "ns3/csma-module.h"
53#include "ns3/internet-apps-module.h"
54#include "ns3/fd-net-device-module.h"
55
56using namespace ns3;
57
58NS_LOG_COMPONENT_DEFINE ("TAPPing6Example");
59
60int
61main (int argc, char *argv[])
62{
63 CommandLine cmd (__FILE__);
64 cmd.Parse (argc, argv);
65
66 NS_LOG_INFO ("Ping6 Emulation Example with TAP");
67
68 //
69 // Since we are using a real piece of hardware we need to use the realtime
70 // simulator.
71 //
72 GlobalValue::Bind ("SimulatorImplementationType", StringValue ("ns3::RealtimeSimulatorImpl"));
73
74 //
75 // Since we are going to be talking to real-world machines, we need to enable
76 // calculation of checksums in our protocols.
77 //
78 GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true));
79
80 //
81 // Create the two nodes.
82 //
83 Ptr<Node> n = CreateObject<Node> ();
84 Ptr<Node> r = CreateObject<Node> ();
85 NodeContainer net (n, r);
86
87 //
88 // Install IPv6 stack.
89 //
90 InternetStackHelper internetv6;
91 internetv6.Install (net);
92
93 //
94 // Create CSMA channel.
95 //
97 csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
98 csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
99 NetDeviceContainer devs = csma.Install (net);
100
101 //
102 // Assign IPv6 addresses.
103 //
105
106 ipv6.SetBase (Ipv6Address ("2001:0DB8:1::"), Ipv6Prefix (64));
107 Ipv6InterfaceContainer i1 = ipv6.Assign (devs);
108 i1.SetForwarding (1, true);
110
111 ipv6.SetBase (Ipv6Address ("2001:0DB8:2::"), Ipv6Prefix (64));
112 Ipv6Address tapAddr = ipv6.NewAddress ();
113 std::stringstream ss;
114 std::string tapIp;
115 tapAddr.Print (ss);
116 ss >> tapIp;
117
118 //
119 // Create FdNetDevice.
120 //
122 helper.SetDeviceName ("tap0");
123 helper.SetTapIpv6Address (tapIp.c_str ());
124 helper.SetTapIpv6Prefix (64);
125
126 NetDeviceContainer fdevs = helper.Install (r);
127 Ptr<NetDevice> device = fdevs.Get (0);
128 Ptr<FdNetDevice> fdevice = device->GetObject<FdNetDevice> ();
129 fdevice-> SetIsMulticast (true);
130 Ipv6InterfaceContainer i2 = ipv6.Assign (fdevs);
131 i2.SetForwarding (0, true);
133
134 //
135 // Create the Ping6 application.
136 //
137 uint32_t packetSize = 1024;
138 uint32_t maxPacketCount = 1;
139 Time interPacketInterval = Seconds (1.0);
140
141 Ping6Helper ping6;
142
143 ping6.SetRemote (tapIp.c_str ());
144
145 ping6.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount));
146 ping6.SetAttribute ("Interval", TimeValue (interPacketInterval));
147 ping6.SetAttribute ("PacketSize", UintegerValue (packetSize));
148 ApplicationContainer apps = ping6.Install (n);
149 apps.Start (Seconds (2.0));
150 apps.Stop (Seconds (20.0));
151
152 AsciiTraceHelper ascii;
153 csma.EnableAsciiAll (ascii.CreateFileStream ("csma-ping6.tr"));
154 csma.EnablePcapAll ("csma-ping6", true);
155
156 //
157 // Enable a promiscuous pcap trace to see what is coming and going on in the fd-net-device.
158 //
159 helper.EnablePcap ("fd-ping6", fdevice, true);
160
161 //
162 // Run the experiment.
163 //
164 NS_LOG_INFO ("Run Emulation.");
165 Simulator::Stop (Seconds (200.0));
166 Simulator::Run ();
167 Simulator::Destroy ();
168 NS_LOG_INFO ("Done.");
169}
holds a vector of ns3::Application pointers.
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter.
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter.
Manage ASCII trace files for device models.
Definition: trace-helper.h:163
Ptr< OutputStreamWrapper > CreateFileStream(std::string filename, std::ios::openmode filemode=std::ios::out)
Create and initialize an output stream object we'll use to write the traced bits.
AttributeValue implementation for Boolean.
Definition: boolean.h:37
Parse command-line arguments.
Definition: command-line.h:229
build a set of CsmaNetDevice objects
Definition: csma-helper.h:47
AttributeValue implementation for DataRate.
void SetDeviceName(std::string deviceName)
Set the device name of this device.
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.
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
Helper class to auto-assign global IPv6 unicast addresses.
Ipv6Address NewAddress(Address addr)
Allocate a new Ipv6Address.
void SetBase(Ipv6Address network, Ipv6Prefix prefix, Ipv6Address base=Ipv6Address("::1"))
Set the base network number, network prefix, and base interface ID.
Ipv6InterfaceContainer Assign(const NetDeviceContainer &c)
Allocate an Ipv6InterfaceContainer with auto-assigned addresses.
Describes an IPv6 address.
Definition: ipv6-address.h:50
void Print(std::ostream &os) const
Print this address to the given output stream.
Keep track of a set of IPv6 interfaces.
void SetForwarding(uint32_t i, bool state)
Set the state of the stack (act as a router or as an host) for the specified index.
void SetDefaultRouteInAllNodes(uint32_t router)
Set the default route for all the devices (except the router itself).
Describes an IPv6 prefix.
Definition: ipv6-address.h:456
holds a vector of ns3::NetDevice pointers
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr<NetDevice> stored in this container at a given index.
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 EnablePcap(std::string prefix, Ptr< NetDevice > nd, bool promiscuous=false, bool explicitFilename=false)
Enable pcap output the indicated net device.
Ping6 application helper.
Definition: ping6-helper.h:39
void SetRemote(Ipv6Address ip)
Set the remote IPv6 address.
Definition: ping6-helper.cc:40
ApplicationContainer Install(NodeContainer c)
Install the application in Nodes.
Definition: ping6-helper.cc:50
void SetAttribute(std::string name, const AttributeValue &value)
Set some attributes.
Definition: ping6-helper.cc:45
Hold variables of type string.
Definition: string.h:41
build a set of FdNetDevice objects attached to a virtual TAP network interface
void SetTapIpv6Prefix(int prefix)
Set the IPv6 network mask for the TAP device.
void SetTapIpv6Address(Ipv6Address address)
Set the device IPv6 address.
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:103
AttributeValue implementation for Time.
Definition: nstime.h:1308
Hold an unsigned integer type.
Definition: uinteger.h:44
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:281
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1244
Time MilliSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1252
Every class exported by the ns3 library is enclosed in the ns3 namespace.
csma
Definition: second.py:63
cmd
Definition: second.py:35
static const uint32_t packetSize
Packet size generated at the AP.