/usr/include/ns3.17/ns3/ie-dot11s-beacon-timing.h is in libns3-dev 3.17+dfsg-1build1.
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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 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2008,2009 IITP RAS
*
* 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: Kirill Andreev <andreev@iitp.ru>
*/
#ifndef WIFI_TIMING_ELEMENT_H
#define WIFI_TIMING_ELEMENT_H
#include <vector>
#include "ns3/nstime.h"
#include "ns3/mesh-information-element-vector.h"
namespace ns3 {
namespace dot11s {
/**
* \ingroup dot11s
* \brief Describes one unit of beacon timing element
*/
class IeBeaconTimingUnit : public SimpleRefCount<IeBeaconTimingUnit>
{
public:
IeBeaconTimingUnit ();
void SetAid (uint8_t aid);
void SetLastBeacon (uint16_t lastBeacon);
void SetBeaconInterval (uint16_t beaconInterval);
uint8_t GetAid () const;
uint16_t GetLastBeacon () const;
uint16_t GetBeaconInterval () const;
private:
/// Least significant octet of AID:
uint8_t m_aid;
/// Last time we received a beacon in accordance with a local TSF measured in 256 microseconds unit
uint16_t m_lastBeacon;
/// Beacon interval of remote mesh point
uint16_t m_beaconInterval;
friend bool operator== (const IeBeaconTimingUnit & a, const IeBeaconTimingUnit & b);
};
/**
* \ingroup dot11s
* \brief See 7.3.2.89 of 802.11s draft 2.07
*/
class IeBeaconTiming : public WifiInformationElement
{
public:
/**
* \ingroup dot11s
* This type is a list of timing elements obtained from neighbours with their beacons:
*/
typedef std::vector< Ptr<IeBeaconTimingUnit> > NeighboursTimingUnitsList;
IeBeaconTiming ();
/**
* This methods are needed for beacon collision
* avoidance module:
*/
NeighboursTimingUnitsList GetNeighboursTimingElementsList ();
void AddNeighboursTimingElementUnit (
uint16_t aid,
Time last_beacon,
Time beacon_interval
);
void DelNeighboursTimingElementUnit (
uint16_t aid,
Time last_beacon,
Time beacon_interval
);
void ClearTimingElement ();
/**
* \name Inherited from WifiInformationElement
* \{
*/
virtual WifiInformationElementId ElementId () const;
virtual uint8_t GetInformationFieldSize () const;
virtual void SerializeInformationField (Buffer::Iterator i) const;
virtual uint8_t DeserializeInformationField (Buffer::Iterator i, uint8_t length);
virtual void Print (std::ostream& os) const;
///\}
bool operator== (WifiInformationElement const & a);
private:
/**
* Converters:
*/
static uint16_t TimestampToU16 (Time x);
static uint16_t BeaconIntervalToU16 (Time x);
static uint8_t AidToU8 (uint16_t x);
NeighboursTimingUnitsList m_neighbours;
/**
* Timing element parameters:
*/
uint16_t m_numOfUnits;
};
bool operator== (const IeBeaconTimingUnit & a, const IeBeaconTimingUnit & b);
std::ostream &operator << (std::ostream &os, const IeBeaconTiming &beaconTiming);
} // namespace dot11s
} // namespace ns3
#endif
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