97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007 INRIA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@cutebugs.net>
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*/
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#include <iostream>
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#include "ns3/core-module.h"
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#include "ns3/network-module.h"
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#include "ns3/internet-module.h"
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using namespace ns3;
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/**
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* Generates traffic.
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*
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* The first call sends a packet of the specified size, and then
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* the function is scheduled to send a packet of (size-50) after 0.5s.
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* The process is iterated until the packet size is zero.
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*
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* \param socket output socket
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* \param size packet size
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*/
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static void
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GenerateTraffic (Ptr<Socket> socket, int32_t size)
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{
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if (size <= 0)
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{
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socket->Close ();
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return;
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}
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std::cout << "at=" << Simulator::Now ().GetSeconds () << "s, tx bytes=" << size << std::endl;
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socket->Send (Create<Packet> (size));
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Simulator::Schedule (Seconds (0.5), &GenerateTraffic, socket, size - 50);
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}
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/**
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* Prints the packets received by a socket
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* \param socket input socket
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*/
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static void
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SocketPrinter (Ptr<Socket> socket)
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{
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Ptr<Packet> packet;
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while ((packet = socket->Recv ()))
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{
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std::cout << "at=" << Simulator::Now ().GetSeconds () << "s, rx bytes=" << packet->GetSize () << std::endl;
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}
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}
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int main (int argc, char *argv[])
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{
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CommandLine cmd (__FILE__);
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cmd.Parse (argc, argv);
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NodeContainer c;
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c.Create (1);
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InternetStackHelper internet;
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internet.Install (c);
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TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
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Ptr<Socket> sink = Socket::CreateSocket (c.Get (0), tid);
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InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny (), 80);
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sink->Bind (local);
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Ptr<Socket> source = Socket::CreateSocket (c.Get (0), tid);
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InetSocketAddress remote = InetSocketAddress (Ipv4Address::GetLoopback (), 80);
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source->Connect (remote);
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GenerateTraffic (source, 500);
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sink->SetRecvCallback (MakeCallback (&SocketPrinter));
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Simulator::Run ();
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Simulator::Destroy ();
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return 0;
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}
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