/usr/include/ns3.27/ns3/packet-loss-counter.h is in libns3-dev 3.27+dfsg-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2007,2008,2009 INRIA, UDCAST
*
* 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: Amine Ismail <amine.ismail@sophia.inria.fr>
* <amine.ismail@udcast.com>
*
*/
#ifndef PACKET_LOSS_COUNTER_H
#define PACKET_LOSS_COUNTER_H
#include "ns3/application.h"
#include "ns3/event-id.h"
#include "ns3/ptr.h"
#include "ns3/address.h"
namespace ns3 {
class Socket;
class Packet;
/**
* \ingroup udpclientserver
*
* \brief A class to count the number of lost packets.
*
* This class records the packet lost in a client/server transmission
* leveraging a sequence number. All the packets outside a given window
* (i.e., too old wit respect to the last sequence number seen) are considered lost,
*/
class PacketLossCounter
{
public:
/**
* \brief Constructor
* \param bitmapSize The window size. Must be a multiple of 8.
*/
PacketLossCounter (uint8_t bitmapSize);
~PacketLossCounter ();
/**
* \brief Record a successfully received packet
* \param seq the packet sequence number
*/
void NotifyReceived (uint32_t seq);
/**
* \brief Get the number of lost packets.
* \returns the number of lost packets.
*/
uint32_t GetLost (void) const;
/**
* \brief Return the size of the window used to compute the packet loss.
* \return the window size.
*/
uint16_t GetBitMapSize (void) const;
/**
* \brief Set the size of the window used to compute the packet loss.
*
* \param size The window size. Must be a multiple of 8.
*/
void SetBitMapSize (uint16_t size);
private:
/**
* \brief Check if a sequence number in the window has been received.
* \param seqNum the sequence number.
* \returns false if the packet has not been received.
*/
bool GetBit (uint32_t seqNum);
/**
* \brief Set a sequence number to a given state.
* \param seqNum the sequence number.
* \param val false if the packet has not been received.
*/
void SetBit (uint32_t seqNum, bool val);
uint32_t m_lost; //!< Lost packets counter.
uint16_t m_bitMapSize; //!< Window size.
uint32_t m_lastMaxSeqNum; //!< Last sequence number seen.
uint8_t * m_receiveBitMap; //!< Received packets in the window size.
};
}
#endif /* PACKET_LOSS_COUNTER_H */
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