A Discrete-Event Network Simulator
API
main-simple.cc
Go to the documentation of this file.
1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2007 INRIA
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Author: Mathieu Lacage <mathieu.lacage@cutebugs.net>
19 */
20
21#include <iostream>
22
23#include "ns3/core-module.h"
24#include "ns3/network-module.h"
25#include "ns3/internet-module.h"
26
27using namespace ns3;
28
39static void
41{
42 if (size <= 0)
43 {
44 socket->Close ();
45 return;
46 }
47
48 std::cout << "at=" << Simulator::Now ().GetSeconds () << "s, tx bytes=" << size << std::endl;
49 socket->Send (Create<Packet> (size));
50 Simulator::Schedule (Seconds (0.5), &GenerateTraffic, socket, size - 50);
51}
52
57static void
59{
60 Ptr<Packet> packet;
61 while ((packet = socket->Recv ()))
62 {
63 std::cout << "at=" << Simulator::Now ().GetSeconds () << "s, rx bytes=" << packet->GetSize () << std::endl;
64 }
65}
66
67int main (int argc, char *argv[])
68{
69 CommandLine cmd (__FILE__);
70 cmd.Parse (argc, argv);
71
73 c.Create (1);
74
75 InternetStackHelper internet;
76 internet.Install (c);
77
78
79 TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
80 Ptr<Socket> sink = Socket::CreateSocket (c.Get (0), tid);
81 InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny (), 80);
82 sink->Bind (local);
83
84 Ptr<Socket> source = Socket::CreateSocket (c.Get (0), tid);
85 InetSocketAddress remote = InetSocketAddress (Ipv4Address::GetLoopback (), 80);
86 source->Connect (remote);
87
88 GenerateTraffic (source, 500);
89 sink->SetRecvCallback (MakeCallback (&SocketPrinter));
90
92
93 Simulator::Destroy ();
94
95 return 0;
96}
void Run(ObjectFactory &factory, uint32_t pop, uint32_t total, uint32_t runs, Ptr< RandomVariableStream > eventStream, bool calRev)
Perform the runs for a single scheduler type.
Parse command-line arguments.
Definition: command-line.h:229
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...
keep track of a set of node pointers.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
uint32_t GetSize(void) const
Returns the the size in bytes of the packet (including the zero-filled initial payload).
Definition: packet.h:856
virtual int Send(Ptr< Packet > p, uint32_t flags)=0
Send data (or dummy data) to the remote host.
virtual int Connect(const Address &address)=0
Initiate a connection to a remote host.
virtual int Close(void)=0
Close a socket.
virtual Ptr< Packet > Recv(uint32_t maxSize, uint32_t flags)=0
Read data from the socket.
double GetSeconds(void) const
Get an approximation of the time stored in this instance in the indicated unit.
Definition: nstime.h:380
a unique identifier for an interface.
Definition: type-id.h:59
Time Now(void)
create an ns3::Time instance which contains the current simulation time.
Definition: simulator.cc:287
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1245
static void GenerateTraffic(Ptr< Socket > socket, int32_t size)
Generates traffic.
Definition: main-simple.cc:40
static void SocketPrinter(Ptr< Socket > socket)
Prints the packets received by a socket.
Definition: main-simple.cc:58
Every class exported by the ns3 library is enclosed in the ns3 namespace.
Callback< R, Ts... > MakeCallback(R(T::*memPtr)(Ts...), OBJ objPtr)
Build Callbacks for class method members which take varying numbers of arguments and potentially retu...
Definition: callback.h:1648
cmd
Definition: second.py:43
Ptr< PacketSink > sink
Definition: wifi-tcp.cc:56