A Discrete-Event Network Simulator
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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
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  */
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"
33 #include <fstream>
34 #include "ns3/core-module.h"
35 #include "ns3/internet-module.h"
36 #include "ns3/csma-module.h"
37 #include "ns3/applications-module.h"
38 #include "ns3/ipv6-static-routing-helper.h"
40 #include "ns3/ipv6-routing-table-entry.h"
42 using namespace ns3;
44 NS_LOG_COMPONENT_DEFINE ("FragmentationIpv6TwoMtuExample");
46 int main (int argc, char** argv)
47 {
48  bool verbose = false;
50  CommandLine cmd;
51  cmd.AddValue ("verbose", "turn on log components", verbose);
52  cmd.Parse (argc, argv);
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  }
63  NS_LOG_INFO ("Create nodes.");
64  Ptr<Node> n0 = CreateObject<Node> ();
65  Ptr<Node> r = CreateObject<Node> ();
66  Ptr<Node> n1 = CreateObject<Node> ();
68  NodeContainer net1 (n0, r);
69  NodeContainer net2 (r, n1);
70  NodeContainer all (n0, r, n1);
72  NS_LOG_INFO ("Create IPv6 Internet Stack");
73  InternetStackHelper internetv6;
74  internetv6.Install (all);
76  NS_LOG_INFO ("Create channels.");
77  CsmaHelper csma;
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);
84  NS_LOG_INFO ("Create networks and assign IPv6 Addresses.");
85  Ipv6AddressHelper ipv6;
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);
95  Ipv6StaticRoutingHelper routingHelper;
96  Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> (&std::cout);
97  routingHelper.PrintRoutingTableAt (Seconds (0), n0, routingStream);
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;
105  ping6.SetLocal (i1.GetAddress (0, 1));
106  ping6.SetRemote (i2.GetAddress (1, 1));
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));
115  AsciiTraceHelper ascii;
116  csma.EnableAsciiAll (ascii.CreateFileStream ("fragmentation-ipv6-two-mtu.tr"));
117  csma.EnablePcapAll (std::string ("fragmentation-ipv6-two-mtu"), true);
119  NS_LOG_INFO ("Run Simulation.");
120  Simulator::Run ();
122  NS_LOG_INFO ("Done.");
123 }
holds a vector of ns3::Application pointers.
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:79
Manage ASCII trace files for device models.
Definition: trace-helper.h:141
void SetChannelAttribute(std::string n1, const AttributeValue &v1)
Definition: csma-helper.cc:69
Keep track of a set of IPv6 interfaces.
void SetDefaultRouteInAllNodes(uint32_t router)
Set the default route for all the devices (except the router itself).
ApplicationContainer Install(NodeContainer c)
Install the application in Nodes.
Definition: ping6-helper.cc:50
int main(int argc, char **argv)
static void Run(void)
Run the simulation until one of:
Definition: simulator.cc:157
Define a Log component with a specific name.
Definition: log.h:170
aggregate IP/TCP/UDP functionality to existing Nodes.
void SetBase(Ipv6Address network, Ipv6Prefix prefix, Ipv6Address base=Ipv6Address("::1"))
Set the base network number, network prefix, and base interface ID.
NetDeviceContainer Install(Ptr< Node > node) const
This method creates an ns3::CsmaChannel with the attributes configured by CsmaHelper::SetChannelAttri...
Definition: csma-helper.cc:215
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:223
void SetAttribute(std::string name, const AttributeValue &value)
Set some attributes.
Definition: ping6-helper.cc:45
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. ...
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.
Ipv6InterfaceContainer Assign(const NetDeviceContainer &c)
Allocate an Ipv6InterfaceContainer with auto-assigned addresses.
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 ...
void SetLocal(Ipv6Address ip)
Set the local IPv6 address.
Definition: ping6-helper.cc:35
hold objects of type ns3::Time
Definition: nstime.h:1008
Hold an unsigned integer type.
Definition: uinteger.h:46
holds a vector of ns3::NetDevice pointers
void PrintRoutingTableAt(Time printTime, Ptr< Node > node, Ptr< OutputStreamWrapper > stream) const
prints the routing tables of a node at a particular time.
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter...
Parse command-line arguments.
Definition: command-line.h:177
static void Destroy(void)
Every event scheduled by the Simulator::insertAtDestroy method is invoked.
Definition: simulator.cc:121
keep track of a set of node pointers.
Helper class that adds ns3::Ipv6StaticRouting objects.
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
void SetRemote(Ipv6Address ip)
Set the remote IPv6 address.
Definition: ping6-helper.cc:40
build a set of CsmaNetDevice objects
Definition: csma-helper.h:46
void SetDeviceAttribute(std::string n1, const AttributeValue &v1)
Definition: csma-helper.cc:63
Helper class to auto-assign global IPv6 unicast addresses.
Describes an IPv6 address.
Definition: ipv6-address.h:46
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter...
hold objects of type ns3::DataRate
void AddValue(const std::string &name, const std::string &help, T &value)
Add a program argument, assigning to POD.
Definition: command-line.h:435
Describes an IPv6 prefix.
Definition: ipv6-address.h:387
void Parse(int argc, char *argv[])
Parse the program arguments.
void EnableAsciiAll(std::string prefix)
Enable ascii trace output on each device (which is of the appropriate type) in the set of all nodes c...
Ping6 application helper.
Definition: ping6-helper.h:39
Ipv6Address GetAddress(uint32_t i, uint32_t j) const
Get the address for the specified index.
void LogComponentEnable(char const *name, enum LogLevel level)
Enable the logging output associated with that log component.
Definition: log.cc:318
bool verbose