149 lines
4.6 KiB
C++
149 lines
4.6 KiB
C++
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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//
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// Copyright (c) 2006 Georgia Tech Research Corporation
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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: George F. Riley<riley@ece.gatech.edu>
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//
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// ns3 - On/Off Data Source Application class
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// George F. Riley, Georgia Tech, Spring 2007
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// Adapted from ApplicationOnOff in GTNetS.
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// Define an on/off data source application class
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#ifndef __onoff_application_h__
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#define __onoff_application_h__
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#include "ns3/application.h"
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#include "ns3/event-id.h"
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#include "ns3/ptr.h"
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namespace ns3 {
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class Ipv4Address;
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class RandomVariable;
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class Socket;
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class DataRate;
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/**
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* \brief Generate traffic to a single destination according to an
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* OnOff pattern.
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*
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*
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*/
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class OnOffApplication : public Application
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{
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public:
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/**
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* \param n node associated to this application
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* \param rip remote ip address
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* \param rport remove port number
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* \param ontime on time random variable
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* \param offtime off time random variable
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*/
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OnOffApplication(Ptr<INode> n,
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const Ipv4Address rip,
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uint16_t rport,
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const RandomVariable& ontime,
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const RandomVariable& offtime);
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/**
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* \param n node associated to this application
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* \param rip remote ip address
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* \param rport remove port number
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* \param ontime on time random variable
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* \param offtime off time random variable
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* \param rate data rate when on
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* \param size size of packets when sending data.
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*/
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OnOffApplication(Ptr<INode> n,
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const Ipv4Address rip,
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uint16_t rport,
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const RandomVariable& ontime,
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const RandomVariable& offtime,
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DataRate rate,
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uint32_t size);
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virtual ~OnOffApplication();
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void SetMaxBytes(uint32_t maxBytes);
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/**
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* \param r the data rate
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*
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* Set the data rate to use for every OnOffApplication for which
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* the user does not specify an explicit data rate.
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*/
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static void SetDefaultRate(const DataRate & r);
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/**
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* \param size the packet size
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*
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* Set the packet size to use for every OnOffApplication for
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* which the user does not specify an explicit packet size.
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*/
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static void SetDefaultSize (uint32_t size);
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protected:
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virtual void DoDispose (void);
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private:
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// inherited from Application base class.
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virtual void StartApplication (void); // Called at time specified by Start
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virtual void StopApplication (void); // Called at time specified by Stop
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void Construct (Ptr<INode> n,
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const Ipv4Address rip,
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uint16_t rport,
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const RandomVariable& ontime,
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const RandomVariable& offtime,
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uint32_t size);
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// Event handlers
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void StartSending();
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void StopSending();
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void SendPacket();
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Ptr<Socket> m_socket; // Associated socket
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Ipv4Address m_peerIp; // Peer IP address
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uint16_t m_peerPort; // Peer port
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bool m_connected; // True if connected
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RandomVariable* m_onTime; // rng for On Time
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RandomVariable* m_offTime; // rng for Off Time
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DataRate m_cbrRate; // Rate that data is generated
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uint32_t m_pktSize; // Size of packets
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uint32_t m_residualBits; // Number of generated, but not sent, bits
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Time m_lastStartTime;// Time last packet sent
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uint32_t m_maxBytes; // Limit total number of bytes sent
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uint32_t m_totBytes; // Total bytes sent so far
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EventId m_startStopEvent; // Event id for next start or stop event
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EventId m_sendEvent; // Eventid of pending "send packet" event
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bool m_sending; // True if currently in sending state
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private:
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void ScheduleNextTx();
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void ScheduleStartEvent();
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void ScheduleStopEvent();
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void ConnectionSucceeded(Ptr<Socket>);
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void ConnectionFailed(Ptr<Socket>);
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void Ignore(Ptr<Socket>);
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};
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} // namespace ns3
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#endif
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