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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011 University of California, Los Angeles
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Ilya Moiseenko <iliamo@cs.ucla.edu>
* Alexander Afanasyev <alexander.afanasyev@ucla.edu>
*/
#ifndef NDN_CONSUMER_CBR_H
#define NDN_CONSUMER_CBR_H
#include "ndn-consumer.h"
namespace ns3 {
namespace ndn {
/**
* @ingroup ndn
* \brief Ndn application for sending out Interest packets at a "constant" rate (Poisson process)
*/
class ConsumerCbr: public Consumer
{
public:
static TypeId GetTypeId ();
/**
* \brief Default constructor
* Sets up randomizer function and packet sequence number
*/
ConsumerCbr ();
virtual ~ConsumerCbr ();
// From NdnApp
// virtual void
// OnInterest (const Ptr<const Interest> &interest);
// virtual void
// OnNack (const Ptr<const Interest> &interest);
// virtual void
// OnContentObject (const Ptr<const ContentObject> &contentObject,
// const Ptr<const Packet> &payload);
protected:
/**
* \brief Constructs the Interest packet and sends it using a callback to the underlying NDN protocol
*/
virtual void
ScheduleNextPacket ();
/**
* @brief Set type of frequency randomization
* @param value Either 'none', 'uniform', or 'exponential'
*/
void
SetRandomize (const std::string &value);
/**
* @brief Get type of frequency randomization
* @returns either 'none', 'uniform', or 'exponential'
*/
std::string
GetRandomize () const;
private:
// void
// UpdateMean ();
// virtual void
// SetPayloadSize (uint32_t payload);
// void
// SetDesiredRate (DataRate rate);
// DataRate
// GetDesiredRate () const;
protected:
double m_frequency; // Frequency of interest packets (in hertz)
bool m_firstTime;
RandomVariable *m_random;
std::string m_randomType;
};
} // namespace ndn
} // namespace ns3
#endif