A Discrete-Event Network Simulator
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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/internet-apps-module.h"
31 using namespace ns3;
33 NS_LOG_COMPONENT_DEFINE ("RealtimeDummyNetworkExample");
35 int
36 main (int argc, char *argv[])
37 {
39  cmd.Parse (argc, argv);
41  GlobalValue::Bind ("SimulatorImplementationType", StringValue ("ns3::RealtimeSimulatorImpl"));
42  GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true));
45  nodes.Create (2);
48  stack.Install (nodes);
51  NetDeviceContainer devices = fd.Install (nodes);
53  int sv[2];
54  if (socketpair (AF_UNIX, SOCK_DGRAM, 0, sv) < 0)
55  {
56  NS_FATAL_ERROR ("Error creating pipe=" << strerror (errno));
57  }
59  Ptr<NetDevice> d1 = devices.Get (0);
60  Ptr<FdNetDevice> device1 = d1->GetObject<FdNetDevice> ();
61  device1->SetFileDescriptor (sv[0]);
63  Ptr<NetDevice> d2 = devices.Get (1);
64  Ptr<FdNetDevice> device2 = d2->GetObject<FdNetDevice> ();
65  device2->SetFileDescriptor (sv[1]);
67  Ipv4AddressHelper addresses;
68  addresses.SetBase ("", "");
69  Ipv4InterfaceContainer interfaces = addresses.Assign (devices);
71  Ptr<V4Ping> app = CreateObject<V4Ping> ();
72  app->SetAttribute ("Remote", Ipv4AddressValue (interfaces.GetAddress (0)));
73  app->SetAttribute ("Verbose", BooleanValue (true));
74  nodes.Get (1)->AddApplication (app);
75  app->SetStartTime (Seconds (0.0));
76  app->SetStopTime (Seconds (4.0));
78  fd.EnablePcapAll ("realtime-dummy-network", false);
80  Simulator::Stop (Seconds (5.));
81  Simulator::Run ();
83 }
uint32_t AddApplication(Ptr< Application > application)
Associate an Application to this Node.
Definition: node.cc:157
void SetStopTime(Time stop)
Specify application stop time.
Definition: application.cc:75
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:73
AttributeValue implementation for Boolean.
Definition: boolean.h:36
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.
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:459
Hold variables of type string.
Definition: string.h:41
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.
Definition: simulator.cc:226
Define a Log component with a specific name.
Definition: log.h:201
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)
Report a fatal error with a message and terminate.
Definition: fatal-error.h:162
tuple cmd
Definition: second.py:35
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:41
holds a vector of ns3::NetDevice pointers
static void Bind(std::string name, const AttributeValue &value)
Iterate over the set of GlobalValues until a matching name is found and then set its value with Globa...
Parse command-line arguments.
Definition: command-line.h:205
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:190
Every class exported by the ns3 library is enclosed in the ns3 namespace.
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...
AttributeValue implementation for Ipv4Address.
Definition: ipv4-address.h:329
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...
static void Stop(void)
Tell the Simulator the calling event should be the last one executed.
Definition: simulator.cc:234
Ptr< Node > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:993
void Parse(int argc, char *argv[])
Parse the program arguments.
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:84
void SetAttribute(std::string name, const AttributeValue &value)
Set a single attribute, raising fatal errors if unsuccessful.
Definition: object-base.cc:185
void SetStartTime(Time start)
Specify application start time.
Definition: application.cc:69
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