See 7.3.2.89 of 802.11s draft 2.07. More...

#include "ie-dot11s-beacon-timing.h"

Inheritance diagram for ns3::dot11s::IeBeaconTiming:

Collaboration diagram for ns3::dot11s::IeBeaconTiming:

Public Types
typedef std::vector< Ptr< IeBeaconTimingUnit > >	NeighboursTimingUnitsList
	This type is a list of timing elements obtained from neighbours with their beacons:

Public Member Functions
	IeBeaconTiming ()

void	AddNeighboursTimingElementUnit (uint16_t aid, Time last_beacon, Time beacon_interval)
	Add neighbors timing element unit.

void	ClearTimingElement ()
	Clear timing element.

void	DelNeighboursTimingElementUnit (uint16_t aid, Time last_beacon, Time beacon_interval)
	Delete neighbors timing element unit.

uint16_t	DeserializeInformationField (Buffer::Iterator i, uint16_t length) override
	Deserialize information (i.e., the body of the IE, not including the Element ID and length octets)

WifiInformationElementId	ElementId () const override
	Get the wifi information element ID.

uint16_t	GetInformationFieldSize () const override
	Length of serialized information (i.e., the length of the body of the IE, not including the Element ID and length octets.

NeighboursTimingUnitsList	GetNeighboursTimingElementsList ()
	This methods are needed for beacon collision avoidance module:

bool	operator== (const WifiInformationElement &a) const override
	equality operator

void	Print (std::ostream &os) const override
	Generate human-readable form of IE.

void	SerializeInformationField (Buffer::Iterator i) const override
	Serialize information (i.e., the body of the IE, not including the Element ID and length octets)

Public Member Functions inherited from ns3::WifiInformationElement
virtual	~WifiInformationElement ()

Buffer::Iterator	Deserialize (Buffer::Iterator i)
	Deserialize entire IE (which may possibly be fragmented into multiple elements), which must be present.

Buffer::Iterator	DeserializeIfPresent (Buffer::Iterator i)
	Deserialize entire IE (which may possibly be fragmented into multiple elements) if it is present.

virtual WifiInformationElementId	ElementId () const =0
	Get the wifi information element ID.

virtual WifiInformationElementId	ElementIdExt () const
	Get the wifi information element ID extension.

uint16_t	GetSerializedSize () const
	Get the size of the serialized IE including Element ID and length fields (for every element this IE is possibly fragmented into).

virtual bool	operator== (const WifiInformationElement &a) const
	Compare two IEs for equality by ID & Length, and then through memcmp of serialised version.

virtual void	Print (std::ostream &os) const
	Generate human-readable form of IE.

Buffer::Iterator	Serialize (Buffer::Iterator i) const
	Serialize entire IE including Element ID and length fields.

Public Member Functions inherited from ns3::SimpleRefCount< WifiInformationElement >
	SimpleRefCount ()
	Default constructor.

	SimpleRefCount (const SimpleRefCount &o)
	Copy constructor.

uint32_t	GetReferenceCount () const
	Get the reference count of the object.

SimpleRefCount &	operator= (const SimpleRefCount &o)
	Assignment operator.

void	Ref () const
	Increment the reference count.

void	Unref () const
	Decrement the reference count.

Static Private Member Functions
static uint8_t	AidToU8 (uint16_t x)
	Aid to U8 function.

static uint16_t	BeaconIntervalToU16 (Time x)
	Beacon interval to U16 function.

static uint16_t	TimestampToU16 (Time x)
	Timestamp to U16 function.

Private Attributes
NeighboursTimingUnitsList	m_neighbours
	the neighbors

uint16_t	m_numOfUnits
	Timing element parameters:

Detailed Description

See 7.3.2.89 of 802.11s draft 2.07.

Definition at line 94 of file ie-dot11s-beacon-timing.h.

Constructor & Destructor Documentation

◆ IeBeaconTiming()

ns3::dot11s::IeBeaconTiming::IeBeaconTiming ( )

Definition at line 83 of file ie-dot11s-beacon-timing.cc.

Member Function Documentation

◆ AddNeighboursTimingElementUnit()

void ns3::dot11s::IeBeaconTiming::AddNeighboursTimingElementUnit	(	uint16_t	aid,
		Time	last_beacon,
		Time	beacon_interval
	)

Add neighbors timing element unit.

Parameters

aid	the AID
last_beacon	the last beacon time
beacon_interval	the beacon interval

Definition at line 95 of file ie-dot11s-beacon-timing.cc.

References AidToU8(), BeaconIntervalToU16(), m_neighbours, m_numOfUnits, and TimestampToU16().

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◆ AidToU8()

uint8_t ns3::dot11s::IeBeaconTiming::AidToU8 ( uint16_t x )

staticprivate

Aid to U8 function.

Parameters

x the U16

Returns: the AID

Definition at line 203 of file ie-dot11s-beacon-timing.cc.

Referenced by AddNeighboursTimingElementUnit(), and DelNeighboursTimingElementUnit().

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◆ BeaconIntervalToU16()

uint16_t ns3::dot11s::IeBeaconTiming::BeaconIntervalToU16 ( Time x )

staticprivate

Beacon interval to U16 function.

Parameters

x	the beacon interval

Returns: the U16

Definition at line 197 of file ie-dot11s-beacon-timing.cc.

References ns3::Time::GetMicroSeconds().

Referenced by AddNeighboursTimingElementUnit(), and DelNeighboursTimingElementUnit().

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◆ ClearTimingElement()

void ns3::dot11s::IeBeaconTiming::ClearTimingElement ( )

Clear timing element.

Definition at line 136 of file ie-dot11s-beacon-timing.cc.

References m_neighbours.

Referenced by ns3::dot11s::PeerLink::DoDispose().

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◆ DelNeighboursTimingElementUnit()

void ns3::dot11s::IeBeaconTiming::DelNeighboursTimingElementUnit	(	uint16_t	aid,
		Time	last_beacon,
		Time	beacon_interval
	)

Delete neighbors timing element unit.

Parameters

aid	the AID
last_beacon	the last beacon time
beacon_interval	the beacon interval

Definition at line 120 of file ie-dot11s-beacon-timing.cc.

References AidToU8(), BeaconIntervalToU16(), m_neighbours, m_numOfUnits, and TimestampToU16().

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◆ DeserializeInformationField()

uint16_t ns3::dot11s::IeBeaconTiming::DeserializeInformationField	(	Buffer::Iterator	start,
		uint16_t	length
	)

overridevirtual

Deserialize information (i.e., the body of the IE, not including the Element ID and length octets)

Parameters

start	an iterator which points to where the information should be written.
length	the expected number of bytes to read

Returns: the number of bytes read

Implements ns3::WifiInformationElement.

Definition at line 175 of file ie-dot11s-beacon-timing.cc.

References ns3::Buffer::Iterator::GetDistanceFrom(), m_neighbours, m_numOfUnits, ns3::Buffer::Iterator::ReadLsbtohU16(), and ns3::Buffer::Iterator::ReadU8().

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◆ ElementId()

WifiInformationElementId ns3::dot11s::IeBeaconTiming::ElementId ( ) const

overridevirtual

Get the wifi information element ID.

Returns: the wifi information element ID

Implements ns3::WifiInformationElement.

Definition at line 78 of file ie-dot11s-beacon-timing.cc.

References IE_BEACON_TIMING.

◆ GetInformationFieldSize()

uint16_t ns3::dot11s::IeBeaconTiming::GetInformationFieldSize ( ) const

overridevirtual

Length of serialized information (i.e., the length of the body of the IE, not including the Element ID and length octets.

This is the value that will appear in the second octet of the entire IE - the length field - if the IE is not fragmented)

Returns: the length of serialized information

Implements ns3::WifiInformationElement.

Definition at line 146 of file ie-dot11s-beacon-timing.cc.

References m_numOfUnits.

◆ GetNeighboursTimingElementsList()

IeBeaconTiming::NeighboursTimingUnitsList ns3::dot11s::IeBeaconTiming::GetNeighboursTimingElementsList ( )

This methods are needed for beacon collision avoidance module:

Returns: the neighbor timing elements list

Definition at line 89 of file ie-dot11s-beacon-timing.cc.

References m_neighbours.

◆ operator==()

bool ns3::dot11s::IeBeaconTiming::operator== ( const WifiInformationElement & a ) const

overridevirtual

equality operator

Parameters

a lhs

Returns: true if equal

Reimplemented from ns3::WifiInformationElement.

Definition at line 216 of file ie-dot11s-beacon-timing.cc.

References m_neighbours, m_numOfUnits, and ns3::PeekPointer().

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◆ Print()

void ns3::dot11s::IeBeaconTiming::Print ( std::ostream & os ) const

overridevirtual

Generate human-readable form of IE.

Parameters

os	output stream

Reimplemented from ns3::WifiInformationElement.

Definition at line 152 of file ie-dot11s-beacon-timing.cc.

References m_neighbours, and m_numOfUnits.

Referenced by ns3::dot11s::operator<<().

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◆ SerializeInformationField()

void ns3::dot11s::IeBeaconTiming::SerializeInformationField ( Buffer::Iterator start ) const

overridevirtual

Serialize information (i.e., the body of the IE, not including the Element ID and length octets)

Parameters

start an iterator which points to where the information should be written.

Implements ns3::WifiInformationElement.

Definition at line 164 of file ie-dot11s-beacon-timing.cc.

References m_neighbours, ns3::Buffer::Iterator::WriteHtolsbU16(), and ns3::Buffer::Iterator::WriteU8().

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◆ TimestampToU16()

uint16_t ns3::dot11s::IeBeaconTiming::TimestampToU16 ( Time x )

staticprivate

Timestamp to U16 function.

Parameters

x	the timestamp

Returns: the U16

Definition at line 191 of file ie-dot11s-beacon-timing.cc.

References ns3::Time::GetMicroSeconds().

Referenced by AddNeighboursTimingElementUnit(), and DelNeighboursTimingElementUnit().

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Member Data Documentation

◆ m_neighbours

NeighboursTimingUnitsList ns3::dot11s::IeBeaconTiming::m_neighbours

private

the neighbors

Definition at line 163 of file ie-dot11s-beacon-timing.h.

Referenced by AddNeighboursTimingElementUnit(), ClearTimingElement(), DelNeighboursTimingElementUnit(), DeserializeInformationField(), GetNeighboursTimingElementsList(), operator==(), Print(), and SerializeInformationField().

◆ m_numOfUnits

uint16_t ns3::dot11s::IeBeaconTiming::m_numOfUnits

private

Timing element parameters:

Definition at line 167 of file ie-dot11s-beacon-timing.h.

Referenced by AddNeighboursTimingElementUnit(), DelNeighboursTimingElementUnit(), DeserializeInformationField(), GetInformationFieldSize(), operator==(), and Print().

The documentation for this class was generated from the following files:

src/mesh/model/dot11s/ie-dot11s-beacon-timing.h
src/mesh/model/dot11s/ie-dot11s-beacon-timing.cc

Public Types

Public Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ IeBeaconTiming()

Member Function Documentation

◆ AddNeighboursTimingElementUnit()

◆ AidToU8()

◆ BeaconIntervalToU16()

◆ ClearTimingElement()

◆ DelNeighboursTimingElementUnit()

◆ DeserializeInformationField()

◆ ElementId()

◆ GetInformationFieldSize()

◆ GetNeighboursTimingElementsList()

◆ operator==()

◆ Print()

◆ SerializeInformationField()

◆ TimestampToU16()

Member Data Documentation

◆ m_neighbours

◆ m_numOfUnits