wifimac::pathselection::LinkQualityMeasurement Class Reference

The LQM measures the average one-way flight-time of all current active links and provides this measure as a metric for the path-selection FU. More...

#include <pathselection/LinkQualityMeasurement.hpp>

Inheritance diagram for wifimac::pathselection::LinkQualityMeasurement:

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Collaboration diagram for wifimac::pathselection::LinkQualityMeasurement:

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List of all members.

Public Member Functions

LinkQualityMeasurement (wns::ldk::fun::FUN *fun, const wns::pyconfig::View &config)

void newLinkCost (wns::service::dll::UnicastAddress rx, Metric cost)

Indicates a change in the link cost.

void sendLinkMeasurement (wns::service::dll::UnicastAddress rx, wns::simulator::Time last)

Initiates the transmission of a probe-packet.

virtual ~LinkQualityMeasurement ()

Private Types

typedef
wns::container::Registry
< wns::service::dll::UnicastAddress,
LinkQuality
*, wns::container::registry::DeleteOnErase > adr2qualityMap

Stores and manages the linkQualities for the links to all neighboring nodes.

Private Member Functions

void calculateSizes (const wns::ldk::CommandPool *commandPool, Bit &commandPoolSize, Bit &dataSize) const

SDU and PCI size calculation for probe-frames and frames with piggybacked lqm.

virtual bool doIsAccepting (const wns::ldk::CompoundPtr &_compound) const

FunctionalUnit / CompoundHandlerInterface.

virtual void doOnData (const wns::ldk::CompoundPtr &_compound)

virtual void doSendData (const wns::ldk::CompoundPtr &_compound)

virtual void doWakeup ()

virtual void onFUNCreated ()

void onLinkIndication (const wns::service::dll::UnicastAddress myself, const wns::service::dll::UnicastAddress peer)

observer for new link notifications / link updates

Private Attributes

const wns::pyconfig::View config

const bool doPiggybacking

const Bit frameSize

struct
wifimac::pathselection::LinkQualityMeasurement::Friends friends

adr2qualityMap linkQualities

wns::logger::Logger logger

wns::service::dll::UnicastAddress myMACAddress

int numPiggybacked

const wns::simulator::Time period

int piggybackingPeriod

PathSelectionInterface * ps

Pointer to the current path-selection algorithm for link-metric updates.

const wns::simulator::Time referenceFlightTime

const std::string ucName

Classes

struct Friends

Detailed Description

It does so by sending either probe-packets with a fixed length or by piggybacking its required control information (i.e. a timestamp) to frames which have to be transmitted anyways.

Definition at line 182 of file LinkQualityMeasurement.hpp.

Member Typedef Documentation

typedef wns::container::Registry<wns::service::dll::UnicastAddress, LinkQuality*, wns::container::registry::DeleteOnErase> wifimac::pathselection::LinkQualityMeasurement::adr2qualityMap [private]

Definition at line 242 of file LinkQualityMeasurement.hpp.

Constructor & Destructor Documentation

LinkQualityMeasurement::LinkQualityMeasurement	(	wns::ldk::fun::FUN *	fun,
		const wns::pyconfig::View &	config
	)

Definition at line 116 of file LinkQualityMeasurement.cpp.

LinkQualityMeasurement::~LinkQualityMeasurement ( ) [virtual]

Definition at line 134 of file LinkQualityMeasurement.cpp.

Member Function Documentation

void LinkQualityMeasurement::calculateSizes	(	const wns::ldk::CommandPool *	commandPool,
		Bit &	commandPoolSize,
		Bit &	dataSize
	)			const `[private]`

Definition at line 280 of file LinkQualityMeasurement.cpp.

bool LinkQualityMeasurement::doIsAccepting ( const wns::ldk::CompoundPtr & _compound ) const [private, virtual]

Definition at line 162 of file LinkQualityMeasurement.cpp.

void LinkQualityMeasurement::doOnData ( const wns::ldk::CompoundPtr & _compound ) [private, virtual]

Definition at line 213 of file LinkQualityMeasurement.cpp.

void LinkQualityMeasurement::doSendData ( const wns::ldk::CompoundPtr & _compound ) [private, virtual]

Definition at line 167 of file LinkQualityMeasurement.cpp.

void LinkQualityMeasurement::doWakeup ( ) [private, virtual]

Definition at line 207 of file LinkQualityMeasurement.cpp.

void LinkQualityMeasurement::newLinkCost	(	wns::service::dll::UnicastAddress	rx,
		Metric	cost
	)

Definition at line 274 of file LinkQualityMeasurement.cpp.

void LinkQualityMeasurement::onFUNCreated ( ) [private, virtual]

Definition at line 139 of file LinkQualityMeasurement.cpp.

void LinkQualityMeasurement::onLinkIndication	(	const wns::service::dll::UnicastAddress	myself,
		const wns::service::dll::UnicastAddress	peer
	)			`[private]`

Definition at line 307 of file LinkQualityMeasurement.cpp.

void LinkQualityMeasurement::sendLinkMeasurement	(	wns::service::dll::UnicastAddress	rx,
		wns::simulator::Time	last
	)

Definition at line 250 of file LinkQualityMeasurement.cpp.

Member Data Documentation

const wns::pyconfig::View wifimac::pathselection::LinkQualityMeasurement::config [private]

Definition at line 223 of file LinkQualityMeasurement.hpp.

const bool wifimac::pathselection::LinkQualityMeasurement::doPiggybacking [private]

Definition at line 230 of file LinkQualityMeasurement.hpp.

const Bit wifimac::pathselection::LinkQualityMeasurement::frameSize [private]

Definition at line 224 of file LinkQualityMeasurement.hpp.

struct wifimac::pathselection::LinkQualityMeasurement::Friends wifimac::pathselection::LinkQualityMeasurement::friends [private]

adr2qualityMap wifimac::pathselection::LinkQualityMeasurement::linkQualities [private]

Definition at line 243 of file LinkQualityMeasurement.hpp.

wns::logger::Logger wifimac::pathselection::LinkQualityMeasurement::logger [private]

Definition at line 227 of file LinkQualityMeasurement.hpp.

wns::service::dll::UnicastAddress wifimac::pathselection::LinkQualityMeasurement::myMACAddress [private]

Definition at line 245 of file LinkQualityMeasurement.hpp.

int wifimac::pathselection::LinkQualityMeasurement::numPiggybacked [private]

Definition at line 232 of file LinkQualityMeasurement.hpp.

const wns::simulator::Time wifimac::pathselection::LinkQualityMeasurement::period [private]

Definition at line 226 of file LinkQualityMeasurement.hpp.

int wifimac::pathselection::LinkQualityMeasurement::piggybackingPeriod [private]

Definition at line 231 of file LinkQualityMeasurement.hpp.

PathSelectionInterface* wifimac::pathselection::LinkQualityMeasurement::ps [private]

Definition at line 237 of file LinkQualityMeasurement.hpp.

const wns::simulator::Time wifimac::pathselection::LinkQualityMeasurement::referenceFlightTime [private]

Definition at line 225 of file LinkQualityMeasurement.hpp.

const std::string wifimac::pathselection::LinkQualityMeasurement::ucName [private]

Definition at line 228 of file LinkQualityMeasurement.hpp.

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

modules/dll/wifimac/src/pathselection/LinkQualityMeasurement.hpp
modules/dll/wifimac/src/pathselection/LinkQualityMeasurement.cpp


Public Member Functions
	LinkQualityMeasurement (wns::ldk::fun::FUN *fun, const wns::pyconfig::View &config)
void	newLinkCost (wns::service::dll::UnicastAddress rx, Metric cost)
	Indicates a change in the link cost.
void	sendLinkMeasurement (wns::service::dll::UnicastAddress rx, wns::simulator::Time last)
	Initiates the transmission of a probe-packet.
virtual	~LinkQualityMeasurement ()
Private Types
typedef wns::container::Registry < wns::service::dll::UnicastAddress, LinkQuality *, wns::container::registry::DeleteOnErase >	adr2qualityMap
	Stores and manages the linkQualities for the links to all neighboring nodes.
Private Member Functions
void	calculateSizes (const wns::ldk::CommandPool *commandPool, Bit &commandPoolSize, Bit &dataSize) const
	SDU and PCI size calculation for probe-frames and frames with piggybacked lqm.
virtual bool	doIsAccepting (const wns::ldk::CompoundPtr &_compound) const
	FunctionalUnit / CompoundHandlerInterface.
virtual void	doOnData (const wns::ldk::CompoundPtr &_compound)
virtual void	doSendData (const wns::ldk::CompoundPtr &_compound)
virtual void	doWakeup ()
virtual void	onFUNCreated ()
void	onLinkIndication (const wns::service::dll::UnicastAddress myself, const wns::service::dll::UnicastAddress peer)
	observer for new link notifications / link updates
Private Attributes
const wns::pyconfig::View	config
const bool	doPiggybacking
const Bit	frameSize
struct wifimac::pathselection::LinkQualityMeasurement::Friends	friends
adr2qualityMap	linkQualities
wns::logger::Logger	logger
wns::service::dll::UnicastAddress	myMACAddress
int	numPiggybacked
const wns::simulator::Time	period
int	piggybackingPeriod
PathSelectionInterface *	ps
	Pointer to the current path-selection algorithm for link-metric updates.
const wns::simulator::Time	referenceFlightTime
const std::string	ucName
Classes
struct	Friends