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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2012 Tsinghua University, P.R.China
*
* 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: Xiaoke Jiang <shock.jiang@gmail.com>
*/
#ifndef NDN_CONSUMER_ZIPF_MANDELBROT_H_
#define NDN_CONSUMER_ZIPF_MANDELBROT_H_
#include "ns3/ndnSIM/model/ndn-common.hpp"
#include "ndn-consumer.hpp"
#include "ns3/ptr.h"
#include "ns3/log.h"
#include "ns3/simulator.h"
#include "ns3/packet.h"
#include "ns3/callback.h"
#include "ns3/string.h"
#include "ns3/uinteger.h"
#include "ns3/double.h"
#include "ndn-consumer-cbr.hpp"
#include "ns3/random-variable.h"
namespace ns3 {
namespace ndn {
/**
* @ingroup ndn-apps
* @brief NDN app requesting contents following Zipf-Mandelbrot Distbituion
*
* The class implements an app which requests contents following Zipf-Mandelbrot Distribution
* Here is the explaination of Zipf-Mandelbrot Distribution:
*http://en.wikipedia.org/wiki/Zipf%E2%80%93Mandelbrot_law
*/
class ConsumerZipfMandelbrot : public ConsumerCbr {
public:
static TypeId
GetTypeId();
/**
* \brief Default constructor
* Sets up randomized Number Generator (RNG)
* Note: m_seq of its parent class ConsumerCbr here is used to record the interest number
*/
ConsumerZipfMandelbrot();
virtual ~ConsumerZipfMandelbrot();
virtual void
SendPacket();
uint32_t
GetNextSeq();
protected:
virtual void
ScheduleNextPacket();
private:
void
SetNumberOfContents(uint32_t numOfContents);
uint32_t
GetNumberOfContents() const;
void
SetQ(double q);
double
GetQ() const;
void
SetS(double s);
double
GetS() const;
private:
uint32_t m_N; // number of the contents
double m_q; // q in (k+q)^s
double m_s; // s in (k+q)^s
std::vector<double> m_Pcum; // cumulative probability
UniformVariable m_SeqRng; // RNG
};
} /* namespace ndn */
} /* namespace ns3 */
#endif /* NDN_CONSUMER_ZIPF_MANDELBROT_H_ */