A Discrete-Event Network Simulator
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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
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20 // Network topology
21 //
22 #include <sys/socket.h>
23 #include <errno.h>
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/applications-module.h"
31 using namespace ns3;
33 NS_LOG_COMPONENT_DEFINE ("RealtimeDummyNetworkExample");
35 int
36 main (int argc, char *argv[])
37 {
39  GlobalValue::Bind ("SimulatorImplementationType", StringValue ("ns3::RealtimeSimulatorImpl"));
40  GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true));
43  nodes.Create (2);
46  stack.Install (nodes);
49  NetDeviceContainer devices = fd.Install (nodes);
51  int sv[2];
52  if (socketpair (AF_UNIX, SOCK_DGRAM, 0, sv) < 0)
53  {
54  NS_FATAL_ERROR ("Error creating pipe=" << strerror (errno));
55  }
57  Ptr<NetDevice> d1 = devices.Get (0);
58  Ptr<FdNetDevice> device1 = d1->GetObject<FdNetDevice> ();
59  device1->SetFileDescriptor (sv[0]);
61  Ptr<NetDevice> d2 = devices.Get (1);
62  Ptr<FdNetDevice> device2 = d2->GetObject<FdNetDevice> ();
63  device2->SetFileDescriptor (sv[1]);
65  Ipv4AddressHelper addresses;
66  addresses.SetBase ("", "");
67  Ipv4InterfaceContainer interfaces = addresses.Assign (devices);
69  Ptr<V4Ping> app = CreateObject<V4Ping> ();
70  app->SetAttribute ("Remote", Ipv4AddressValue (interfaces.GetAddress (0)));
71  app->SetAttribute ("Verbose", BooleanValue (true));
72  nodes.Get (1)->AddApplication (app);
73  app->SetStartTime (Seconds (0.0));
74  app->SetStopTime (Seconds (4.0));
76  fd.EnablePcapAll ("realtime-dummy-network", false);
78  Simulator::Stop (Seconds (5.));
79  Simulator::Run ();
81 }
uint32_t AddApplication(Ptr< Application > application)
Definition: node.cc:149
void SetStopTime(Time stop)
Specify application stop time.
Definition: application.cc:74
virtual NetDeviceContainer Install(Ptr< Node > node) const
This method creates a FdNetDevice and associates it to a node.
smart pointer class similar to boost::intrusive_ptr
Definition: ptr.h:60
Hold a bool native type.
Definition: boolean.h:38
tuple devices
Definition: first.py:32
holds a vector of std::pair of Ptr and interface index.
void SetFileDescriptor(int fd)
Set the associated file descriptor.
hold variables of type string
Definition: string.h:18
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
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.
build a set of FdNetDevice objects Normally we eschew multiple inheritance, however, the classes PcapUserHelperForDevice and AsciiTraceUserHelperForDevice are treated as "mixins".
#define NS_FATAL_ERROR(msg)
fatal error handling
Definition: fatal-error.h:95
tuple nodes
Definition: first.py:25
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 ...
tuple interfaces
Definition: first.py:40
holds a vector of ns3::NetDevice pointers
static void Bind(std::string name, const AttributeValue &value)
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.
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
hold objects of type ns3::Ipv4Address
tuple stack
Definition: first.py:34
Ipv4InterfaceContainer Assign(const NetDeviceContainer &c)
Assign IP addresses to the net devices specified in the container based on the current network prefix...
int main(int argc, char *argv[])
static void Stop(void)
If an event invokes this method, it will be the last event scheduled by the Simulator::run method bef...
Definition: simulator.cc:165
Ptr< Node > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
a NetDevice to read/write network traffic from/into a file descriptor.
Definition: fd-net-device.h:82
void SetAttribute(std::string name, const AttributeValue &value)
Definition: object-base.cc:176
Ptr< T > GetObject(void) const
Definition: object.h:362
void SetStartTime(Time start)
Specify application start time.
Definition: application.cc:68
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="")
Set the base network number, network mask and base address.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const