A Discrete-Event Network Simulator
API
global-injection-slash32.cc
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17 
18 // Test program for this 3-router scenario, using global routing
19 //
20 // (a.a.a.a/32)A<--x.x.x.0/30-->B<--y.y.y.0/30-->C(c.c.c.c/32)
21 
22 #include <iostream>
23 #include <fstream>
24 #include <string>
25 #include <cassert>
26 
27 #include "ns3/csma-net-device.h"
28 #include "ns3/core-module.h"
29 #include "ns3/network-module.h"
30 #include "ns3/internet-module.h"
31 #include "ns3/point-to-point-module.h"
32 #include "ns3/applications-module.h"
33 #include "ns3/ipv4-static-routing.h"
34 #include "ns3/ipv4-global-routing.h"
35 #include "ns3/ipv4-list-routing.h"
36 #include "ns3/ipv4-routing-table-entry.h"
37 #include "ns3/global-router-interface.h"
38 #include "ns3/ipv4-static-routing-helper.h"
39 #include "ns3/ipv4-list-routing-helper.h"
40 #include "ns3/ipv4-global-routing-helper.h"
41 
42 using namespace ns3;
43 using std::cout;
44 
45 NS_LOG_COMPONENT_DEFINE ("GlobalRouterInjectionTest");
46 
47 int
48 main (int argc, char *argv[])
49 {
50 
51  // Allow the user to override any of the defaults and the above
52  // DefaultValue::Bind ()s at run-time, via command-line arguments
53  CommandLine cmd (__FILE__);
54  cmd.Parse (argc, argv);
55 
56  Ptr<Node> nA = CreateObject<Node> ();
57  Ptr<Node> nB = CreateObject<Node> ();
58  Ptr<Node> nC = CreateObject<Node> ();
59 
60  NodeContainer c = NodeContainer (nA, nB, nC);
61 
62  InternetStackHelper internet;
63 
64  // Point-to-point links
65  NodeContainer nAnB = NodeContainer (nA, nB);
66  NodeContainer nBnC = NodeContainer (nB, nC);
67 
68  internet.Install (nAnB);
69  Ipv4ListRoutingHelper staticonly;
70  Ipv4ListRoutingHelper staticRouting;
71  staticonly.Add (staticRouting, 0);
72  internet.SetRoutingHelper (staticonly); // has effect on the next Install ()
73  internet.Install (NodeContainer (nC));
74 
75  // We create the channels first without any IP addressing information
77  p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
78  p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
79  NetDeviceContainer dAdB = p2p.Install (nAnB);
80 
81  NetDeviceContainer dBdC = p2p.Install (nBnC);
82 
83  Ptr<CsmaNetDevice> deviceA = CreateObject<CsmaNetDevice> ();
84  deviceA->SetAddress (Mac48Address::Allocate ());
85  nA->AddDevice (deviceA);
86  deviceA->SetQueue (CreateObject<DropTailQueue<Packet> > ());
87 
88  Ptr<CsmaNetDevice> deviceC = CreateObject<CsmaNetDevice> ();
89  deviceC->SetAddress (Mac48Address::Allocate ());
90  nC->AddDevice (deviceC);
91  deviceC->SetQueue (CreateObject<DropTailQueue<Packet> > ());
92 
93  // Later, we add IP addresses.
94  Ipv4AddressHelper ipv4;
95  ipv4.SetBase ("10.1.1.0", "255.255.255.252");
96  Ipv4InterfaceContainer iAiB = ipv4.Assign (dAdB);
97 
98  ipv4.SetBase ("10.1.1.4", "255.255.255.252");
99  Ipv4InterfaceContainer iBiC = ipv4.Assign (dBdC);
100 
101  Ptr<Ipv4> ipv4A = nA->GetObject<Ipv4> ();
102  Ptr<Ipv4> ipv4B = nB->GetObject<Ipv4> ();
103  Ptr<Ipv4> ipv4C = nC->GetObject<Ipv4> ();
104 
105  int32_t ifIndexA = ipv4A->AddInterface (deviceA);
106  int32_t ifIndexC = ipv4C->AddInterface (deviceC);
107 
108  Ipv4InterfaceAddress ifInAddrA = Ipv4InterfaceAddress (Ipv4Address ("172.16.1.1"), Ipv4Mask ("255.255.255.255"));
109  ipv4A->AddAddress (ifIndexA, ifInAddrA);
110  ipv4A->SetMetric (ifIndexA, 1);
111  ipv4A->SetUp (ifIndexA);
112 
113  Ipv4InterfaceAddress ifInAddrC = Ipv4InterfaceAddress (Ipv4Address ("192.168.1.1"), Ipv4Mask ("255.255.255.255"));
114  ipv4C->AddAddress (ifIndexC, ifInAddrC);
115  ipv4C->SetMetric (ifIndexC, 1);
116  ipv4C->SetUp (ifIndexC);
117 
118  // Create router nodes, initialize routing database and set up the routing
119  // tables in the nodes.
120 
121  // Populate routing tables for nodes nA and nB
123  // Inject global routes from Node B, including transit network...
124  Ptr<GlobalRouter> globalRouterB = nB->GetObject<GlobalRouter> ();
125  globalRouterB->InjectRoute ("10.1.1.4", "255.255.255.252");
126  // ...and the host in network "C"
127  globalRouterB->InjectRoute ("192.168.1.1", "255.255.255.255");
128 
130  // In addition, nB needs a static route to nC so it knows what to do with stuff
131  // going to 192.168.1.1
132  Ipv4StaticRoutingHelper ipv4RoutingHelper;
133  Ptr<Ipv4StaticRouting> staticRoutingB = ipv4RoutingHelper.GetStaticRouting (ipv4B);
134  staticRoutingB->AddHostRouteTo (Ipv4Address ("192.168.1.1"), Ipv4Address ("10.1.1.6"),2);
135 
136  // Create the OnOff application to send UDP datagrams of size
137  // 210 bytes at a rate of 448 Kb/s
138  uint16_t port = 9; // Discard port (RFC 863)
139  OnOffHelper onoff ("ns3::UdpSocketFactory",
140  Address (InetSocketAddress (ifInAddrC.GetLocal (), port)));
141  onoff.SetConstantRate (DataRate (6000));
142  ApplicationContainer apps = onoff.Install (nA);
143  apps.Start (Seconds (1.0));
144  apps.Stop (Seconds (10.0));
145 
146  // Create a packet sink to receive these packets
147  PacketSinkHelper sink ("ns3::UdpSocketFactory",
149  apps = sink.Install (nC);
150  apps.Start (Seconds (1.0));
151  apps.Stop (Seconds (10.0));
152 
153  AsciiTraceHelper ascii;
154  p2p.EnableAsciiAll (ascii.CreateFileStream ("global-routing-injection32.tr"));
155  p2p.EnablePcapAll ("global-routing-injection32");
156 
157  Simulator::Run ();
159 
160  return 0;
161 }
a polymophic address class
Definition: address.h:91
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.
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...
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
Class for representing data rates.
Definition: data-rate.h:89
An interface aggregated to a node to provide global routing info.
an Inet address class
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...
void SetRoutingHelper(const Ipv4RoutingHelper &routing)
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...
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:41
static Ipv4Address GetAny(void)
static void RecomputeRoutingTables(void)
Remove all routes that were previously installed in a prior call to either PopulateRoutingTables() or...
static void PopulateRoutingTables(void)
Build a routing database and initialize the routing tables of the nodes in the simulation.
Access to the IPv4 forwarding table, interfaces, and configuration.
Definition: ipv4.h:77
a class to store IPv4 address information on an interface
Ipv4Address GetLocal(void) const
Get the local address.
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Helper class that adds ns3::Ipv4ListRouting objects.
void Add(const Ipv4RoutingHelper &routing, int16_t priority)
a class to represent an Ipv4 address mask
Definition: ipv4-address.h:256
Helper class that adds ns3::Ipv4StaticRouting objects.
Ptr< Ipv4StaticRouting > GetStaticRouting(Ptr< Ipv4 > ipv4) const
Try and find the static routing protocol as either the main routing protocol or in the list of routin...
static Mac48Address Allocate(void)
Allocate a new Mac48Address.
holds a vector of ns3::NetDevice pointers
keep track of a set of node pointers.
uint32_t AddDevice(Ptr< NetDevice > device)
Associate a NetDevice to this node.
Definition: node.cc:130
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:470
A helper to make it easier to instantiate an ns3::OnOffApplication on a set of nodes.
Definition: on-off-helper.h:43
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes.
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 ...
Build a set of PointToPointNetDevice objects.
void SetDeviceAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each NetDevice created by the helper.
void SetChannelAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each Channel created by the helper.
NetDeviceContainer Install(NodeContainer c)
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:136
static void Run(void)
Run the simulation.
Definition: simulator.cc:172
Hold variables of type string.
Definition: string.h:41
uint16_t port
Definition: dsdv-manet.cc:45
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
Ptr< T > CreateObject(Args &&... args)
Create an object by type, with varying number of constructor parameters.
Definition: object.h:576
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1244
Every class exported by the ns3 library is enclosed in the ns3 namespace.
cmd
Definition: second.py:35
Ptr< PacketSink > sink
Definition: wifi-tcp.cc:56