A Discrete-Event Network Simulator
API
fragmentation-ipv6-two-MTU.cc
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1/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2008-2009 Strasbourg University
4 * Copyright (c) 2013 Universita' di Firenze
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation;
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 * Author: David Gross <gdavid.devel@gmail.com>
20 * Sebastien Vincent <vincent@clarinet.u-strasbg.fr>
21 * Modified by Tommaso Pecorella <tommaso.pecorella@unifi.it>
22 */
23
24// Network topology
25// //
26// // Src n0 r n1 Dst
27// // | _ |
28// // MTU ====|_|==== MTU
29// // 5000 router 1500
30// //
31// // - Tracing of queues and packet receptions to file "fragmentation-ipv6-two-mtu.tr"
32
33#include <fstream>
34#include "ns3/core-module.h"
35#include "ns3/internet-module.h"
36#include "ns3/csma-module.h"
37#include "ns3/internet-apps-module.h"
38#include "ns3/ipv6-static-routing-helper.h"
39
40#include "ns3/ipv6-routing-table-entry.h"
41
42using namespace ns3;
43
44NS_LOG_COMPONENT_DEFINE ("FragmentationIpv6TwoMtuExample");
45
46int main (int argc, char** argv)
47{
48 bool verbose = false;
49
50 CommandLine cmd (__FILE__);
51 cmd.AddValue ("verbose", "turn on log components", verbose);
52 cmd.Parse (argc, argv);
53
54 if (verbose)
55 {
56 LogComponentEnable ("Ipv6L3Protocol", LOG_LEVEL_ALL);
57 LogComponentEnable ("Icmpv6L4Protocol", LOG_LEVEL_ALL);
58 LogComponentEnable ("Ipv6StaticRouting", LOG_LEVEL_ALL);
59 LogComponentEnable ("Ipv6Interface", LOG_LEVEL_ALL);
60 LogComponentEnable ("Ping6Application", LOG_LEVEL_ALL);
61 }
62
63 NS_LOG_INFO ("Create nodes.");
64 Ptr<Node> n0 = CreateObject<Node> ();
65 Ptr<Node> r = CreateObject<Node> ();
66 Ptr<Node> n1 = CreateObject<Node> ();
67
68 NodeContainer net1 (n0, r);
69 NodeContainer net2 (r, n1);
70 NodeContainer all (n0, r, n1);
71
72 NS_LOG_INFO ("Create IPv6 Internet Stack");
73 InternetStackHelper internetv6;
74 internetv6.Install (all);
75
76 NS_LOG_INFO ("Create channels.");
78 csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
79 csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
80 NetDeviceContainer d2 = csma.Install (net2);
81 csma.SetDeviceAttribute ("Mtu", UintegerValue (5000));
82 NetDeviceContainer d1 = csma.Install (net1);
83
84 NS_LOG_INFO ("Create networks and assign IPv6 Addresses.");
86 ipv6.SetBase (Ipv6Address ("2001:1::"), Ipv6Prefix (64));
87 Ipv6InterfaceContainer i1 = ipv6.Assign (d1);
88 i1.SetForwarding (1, true);
90 ipv6.SetBase (Ipv6Address ("2001:2::"), Ipv6Prefix (64));
91 Ipv6InterfaceContainer i2 = ipv6.Assign (d2);
92 i2.SetForwarding (0, true);
94
95 Ipv6StaticRoutingHelper routingHelper;
96 Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> (&std::cout);
97 routingHelper.PrintRoutingTableAt (Seconds (0), n0, routingStream);
98
99 /* Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via r */
100 uint32_t packetSize = 4096;
101 uint32_t maxPacketCount = 5;
102 Time interPacketInterval = Seconds (1.0);
103 Ping6Helper ping6;
104
105 ping6.SetLocal (i1.GetAddress (0, 1));
106 ping6.SetRemote (i2.GetAddress (1, 1));
107
108 ping6.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount));
109 ping6.SetAttribute ("Interval", TimeValue (interPacketInterval));
110 ping6.SetAttribute ("PacketSize", UintegerValue (packetSize));
111 ApplicationContainer apps = ping6.Install (net1.Get (0));
112 apps.Start (Seconds (2.0));
113 apps.Stop (Seconds (20.0));
114
115 AsciiTraceHelper ascii;
116 csma.EnableAsciiAll (ascii.CreateFileStream ("fragmentation-ipv6-two-mtu.tr"));
117 csma.EnablePcapAll (std::string ("fragmentation-ipv6-two-mtu"), true);
118
119 NS_LOG_INFO ("Run Simulation.");
120 Simulator::Run ();
121 Simulator::Destroy ();
122 NS_LOG_INFO ("Done.");
123}
124
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.
Parse command-line arguments.
Definition: command-line.h:229
build a set of CsmaNetDevice objects
Definition: csma-helper.h:47
AttributeValue implementation for DataRate.
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.
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
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).
Ipv6Address GetAddress(uint32_t i, uint32_t j) const
Get the address for the specified index.
Describes an IPv6 prefix.
Definition: ipv6-address.h:456
static void PrintRoutingTableAt(Time printTime, Ptr< Node > node, Ptr< OutputStreamWrapper > stream, Time::Unit unit=Time::S)
prints the routing tables of a node at a particular time.
Helper class that adds ns3::Ipv6StaticRouting objects.
holds a vector of ns3::NetDevice pointers
keep track of a set of node pointers.
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
void SetLocal(Ipv6Address ip)
Set the local IPv6 address.
Definition: ping6-helper.cc:35
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.
@ LOG_LEVEL_ALL
Print everything.
Definition: log.h:116
void LogComponentEnable(char const *name, enum LogLevel level)
Enable the logging output associated with that log component.
Definition: log.cc:361
csma
Definition: second.py:63
cmd
Definition: second.py:35
bool verbose
static const uint32_t packetSize
Packet size generated at the AP.