This objects implements the PHY state machine of the Wifi device. More...

#include "wifi-phy-state-helper.h"

Inheritance diagram for ns3::WifiPhyStateHelper:

Collaboration diagram for ns3::WifiPhyStateHelper:

Public Types
typedef void(*	RxEndErrorTracedCallback) (Ptr< const Packet > packet, double snr)
	TracedCallback signature for receive end error event.

typedef void(*	RxOkTracedCallback) (Ptr< const Packet > packet, double snr, WifiMode mode, WifiPreamble preamble)
	TracedCallback signature for receive end OK event.

typedef void(*	StateTracedCallback) (Time start, Time duration, WifiPhyState state)
	TracedCallback signature for state changes.

typedef void(*	TxTracedCallback) (Ptr< const Packet > packet, WifiMode mode, WifiPreamble preamble, uint8_t power)
	TracedCallback signature for transmit event.

Public Member Functions
	WifiPhyStateHelper ()

Time	GetDelayUntilIdle () const
	Return the time before the state is back to IDLE.

Time	GetLastRxEndTime () const
	Return the time the last RX end.

Time	GetLastRxStartTime () const
	Return the time the last RX start.

WifiPhyState	GetState () const
	Return the current state of WifiPhy.

bool	IsStateCcaBusy () const
	Check whether the current state is CCA busy.

bool	IsStateIdle () const
	Check whether the current state is IDLE.

bool	IsStateOff () const
	Check whether the current state is OFF.

bool	IsStateRx () const
	Check whether the current state is RX.

bool	IsStateSleep () const
	Check whether the current state is SLEEP.

bool	IsStateSwitching () const
	Check whether the current state is SWITCHING.

bool	IsStateTx () const
	Check whether the current state is TX.

template<typename FUNC , typename... Ts>
void	NotifyListeners (FUNC f, Ts &&... args)
	Notify all WifiPhyListener objects of the given PHY event.

void	NotifyRxMpdu (Ptr< const WifiPsdu > psdu, RxSignalInfo rxSignalInfo, const WifiTxVector &txVector)
	Notify the reception of an MPDU included in an A-MPDU.

void	NotifyRxPsduFailed (Ptr< const WifiPsdu > psdu, double snr)
	Handle the unsuccessful reception of a PSDU.

void	NotifyRxPsduSucceeded (Ptr< const WifiPsdu > psdu, RxSignalInfo rxSignalInfo, const WifiTxVector &txVector, uint16_t staId, const std::vector< bool > &statusPerMpdu)
	Handle the successful reception of a PSDU.

void	RegisterListener (const std::shared_ptr< WifiPhyListener > &listener)
	Register WifiPhyListener to this WifiPhyStateHelper.

void	SetReceiveErrorCallback (RxErrorCallback callback)
	Set a callback for a failed reception.

void	SetReceiveOkCallback (RxOkCallback callback)
	Set a callback for a successful reception.

void	SwitchFromOff ()
	Switch from off mode.

void	SwitchFromRxAbort (uint16_t operatingWidth)
	Abort current reception following a CCA reset request.

void	SwitchFromRxEndError ()
	Switch from RX after the reception failed.

void	SwitchFromRxEndOk ()
	Switch from RX after the reception was successful.

void	SwitchFromSleep ()
	Switch from sleep mode.

void	SwitchMaybeToCcaBusy (Time duration, WifiChannelListType channelType, const std::vector< Time > &per20MhzDurations)
	Switch to CCA busy.

void	SwitchToChannelSwitching (Time switchingDuration)
	Switch state to channel switching for the given duration.

void	SwitchToOff ()
	Switch to off mode.

void	SwitchToRx (Time rxDuration)
	Switch state to RX for the given duration.

void	SwitchToSleep ()
	Switch to sleep mode.

void	SwitchToTx (Time txDuration, WifiConstPsduMap psdus, double txPowerDbm, const WifiTxVector &txVector)
	Switch state to TX for the given duration.

void	UnregisterListener (const std::shared_ptr< WifiPhyListener > &listener)
	Remove WifiPhyListener from this WifiPhyStateHelper.

Public Member Functions inherited from ns3::Object
	Object ()
	Constructor.

	~Object () override
	Destructor.

void	AggregateObject (Ptr< Object > other)
	Aggregate two Objects together.

void	Dispose ()
	Dispose of this Object.

AggregateIterator	GetAggregateIterator () const
	Get an iterator to the Objects aggregated to this one.

TypeId	GetInstanceTypeId () const override
	Get the most derived TypeId for this Object.

template<typename T >
Ptr< T >	GetObject () const
	Get a pointer to the requested aggregated Object.

template<>
Ptr< Object >	GetObject () const
	Specialization of () for objects of type ns3::Object.

template<typename T >
Ptr< T >	GetObject (TypeId tid) const
	Get a pointer to the requested aggregated Object by TypeId.

template<>
Ptr< Object >	GetObject (TypeId tid) const
	Specialization of (TypeId tid) for objects of type ns3::Object.

void	Initialize ()
	Invoke DoInitialize on all Objects aggregated to this one.

bool	IsInitialized () const
	Check if the object has been initialized.

Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter >
	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.

Public Member Functions inherited from ns3::ObjectBase
virtual	~ObjectBase ()
	Virtual destructor.

void	GetAttribute (std::string name, AttributeValue &value) const
	Get the value of an attribute, raising fatal errors if unsuccessful.

bool	GetAttributeFailSafe (std::string name, AttributeValue &value) const
	Get the value of an attribute without raising errors.

virtual TypeId	GetInstanceTypeId () const =0
	Get the most derived TypeId for this Object.

void	SetAttribute (std::string name, const AttributeValue &value)
	Set a single attribute, raising fatal errors if unsuccessful.

bool	SetAttributeFailSafe (std::string name, const AttributeValue &value)
	Set a single attribute without raising errors.

bool	TraceConnect (std::string name, std::string context, const CallbackBase &cb)
	Connect a TraceSource to a Callback with a context.

bool	TraceConnectWithoutContext (std::string name, const CallbackBase &cb)
	Connect a TraceSource to a Callback without a context.

bool	TraceDisconnect (std::string name, std::string context, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected with a context.

bool	TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected without a context.

Static Public Member Functions
static TypeId	GetTypeId ()
	Get the type ID.

Static Public Member Functions inherited from ns3::Object
static TypeId	GetTypeId ()
	Register this type.

Static Public Member Functions inherited from ns3::ObjectBase
static TypeId	GetTypeId ()
	Get the type ID.

Private Types
typedef std::list< std::weak_ptr< WifiPhyListener > >	Listeners
	typedef for a list of WifiPhyListeners.

Private Member Functions
void	DoSwitchFromRx ()
	Switch the state from RX.

void	LogPreviousIdleAndCcaBusyStates ()
	Log the idle and CCA busy states.

Private Attributes
Time	m_endCcaBusy
	end CCA busy

Time	m_endRx
	end receive

Time	m_endSwitching
	end switching

Time	m_endTx
	end transmit

bool	m_isOff
	switched off

Listeners	m_listeners
	listeners

Time	m_previousStateChangeTime
	previous state change time

RxErrorCallback	m_rxErrorCallback
	receive error callback

TracedCallback< Ptr< const Packet >, double >	m_rxErrorTrace
	receive error trace callback

RxOkCallback	m_rxOkCallback
	receive OK callback

TracedCallback< Ptr< const Packet >, double, WifiMode, WifiPreamble >	m_rxOkTrace
	receive OK trace callback

bool	m_sleeping
	sleeping

Time	m_startCcaBusy
	start CCA busy

Time	m_startRx
	start receive

Time	m_startSleep
	start sleep

Time	m_startSwitching
	start switching

Time	m_startTx
	start transmit

TracedCallback< Time, Time, WifiPhyState >	m_stateLogger
	The trace source fired when state is changed.

TracedCallback< Ptr< const Packet >, WifiMode, WifiPreamble, uint8_t >	m_txTrace
	transmit trace callback

	NS_LOG_TEMPLATE_DECLARE
	the log component

Additional Inherited Members
Protected Member Functions inherited from ns3::Object
	Object (const Object &o)
	Copy an Object.

virtual void	DoDispose ()
	Destructor implementation.

virtual void	DoInitialize ()
	Initialize() implementation.

virtual void	NotifyNewAggregate ()
	Notify all Objects aggregated to this one of a new Object being aggregated.

Protected Member Functions inherited from ns3::ObjectBase
void	ConstructSelf (const AttributeConstructionList &attributes)
	Complete construction of ObjectBase; invoked by derived classes.

virtual void	NotifyConstructionCompleted ()
	Notifier called once the ObjectBase is fully constructed.

Related Functions inherited from ns3::ObjectBase
static TypeId	GetObjectIid ()
	Ensure the TypeId for ObjectBase gets fully configured to anchor the inheritance tree properly.

Detailed Description

This objects implements the PHY state machine of the Wifi device.

Config Paths

ns3::WifiPhyStateHelper is accessible through the following paths with Config::Set and Config::Connect:

"/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Phy/State"
"/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Phys/[i]/State"

No Attributes are defined for this type.

TraceSources

RxError: A packet has been received unsuccessfuly.
Callback signature: ns3::WifiPhyStateHelper::RxEndErrorTracedCallback
RxOk: A packet has been received successfully.
Callback signature: ns3::WifiPhyStateHelper::RxOkTracedCallback
State: The state of the PHY layer
Callback signature: ns3::WifiPhyStateHelper::StateTracedCallback
Tx: Packet transmission is starting.
Callback signature: ns3::WifiPhyStateHelper::TxTracedCallback

Size of this type is 224 bytes (on a 64-bit architecture).

Definition at line 70 of file wifi-phy-state-helper.h.

Member Typedef Documentation

◆ Listeners

typedef std::list<std::weak_ptr<WifiPhyListener> > ns3::WifiPhyStateHelper::Listeners

private

typedef for a list of WifiPhyListeners.

We use weak pointers so that unregistering a listener is not necessary to delete a listener (reference count is not incremented by weak pointers).

Definition at line 331 of file wifi-phy-state-helper.h.

◆ RxEndErrorTracedCallback

typedef void(* ns3::WifiPhyStateHelper::RxEndErrorTracedCallback) (Ptr< const Packet > packet, double snr)

TracedCallback signature for receive end error event.

Parameters

[in]	packet	The received packet.
[in]	snr	The SNR of the received packet in linear scale.

Definition at line 299 of file wifi-phy-state-helper.h.

◆ RxOkTracedCallback

typedef void(* ns3::WifiPhyStateHelper::RxOkTracedCallback) (Ptr< const Packet > packet, double snr, WifiMode mode, WifiPreamble preamble)

TracedCallback signature for receive end OK event.

Parameters

[in]	packet	The received packet.
[in]	snr	The SNR of the received packet in linear scale.
[in]	mode	The transmission mode of the packet.
[in]	preamble	The preamble of the packet.

Definition at line 288 of file wifi-phy-state-helper.h.

◆ StateTracedCallback

typedef void(* ns3::WifiPhyStateHelper::StateTracedCallback) (Time start, Time duration, WifiPhyState state)

TracedCallback signature for state changes.

Parameters

[in]	start	Time when the state started.
[in]	duration	Amount of time we've been in (or will be in) the state.
[in]	state	The state.

Definition at line 278 of file wifi-phy-state-helper.h.

◆ TxTracedCallback

typedef void(* ns3::WifiPhyStateHelper::TxTracedCallback) (Ptr< const Packet > packet, WifiMode mode, WifiPreamble preamble, uint8_t power)

TracedCallback signature for transmit event.

Parameters

[in]	packet	The received packet.
[in]	mode	The transmission mode of the packet.
[in]	preamble	The preamble of the packet.
[in]	power	The transmit power level.

Definition at line 309 of file wifi-phy-state-helper.h.

Constructor & Destructor Documentation

◆ WifiPhyStateHelper()

ns3::WifiPhyStateHelper::WifiPhyStateHelper ( )

Definition at line 69 of file wifi-phy-state-helper.cc.

References NS_LOG_FUNCTION.

Member Function Documentation

◆ DoSwitchFromRx()

void ns3::WifiPhyStateHelper::DoSwitchFromRx ( )

private

Switch the state from RX.

Definition at line 433 of file wifi-phy-state-helper.cc.

References IsStateCcaBusy(), IsStateIdle(), m_endRx, m_previousStateChangeTime, m_startRx, m_stateLogger, ns3::Simulator::Now(), NS_ASSERT, and NS_LOG_FUNCTION.

Referenced by SwitchFromRxAbort(), SwitchFromRxEndError(), and SwitchFromRxEndOk().

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◆ GetDelayUntilIdle()

Time ns3::WifiPhyStateHelper::GetDelayUntilIdle ( ) const

Return the time before the state is back to IDLE.

Returns: the delay before the state is back to IDLE

Definition at line 154 of file wifi-phy-state-helper.cc.

References GetState(), m_endCcaBusy, m_endRx, m_endSwitching, m_endTx, Max, ns3::Simulator::Now(), NS_FATAL_ERROR, and ns3::Seconds().

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◆ GetLastRxEndTime()

Time ns3::WifiPhyStateHelper::GetLastRxEndTime ( ) const

Return the time the last RX end.

Returns: the time the last RX end.

Definition at line 193 of file wifi-phy-state-helper.cc.

References m_endRx.

◆ GetLastRxStartTime()

Time ns3::WifiPhyStateHelper::GetLastRxStartTime ( ) const

Return the time the last RX start.

Returns: the time the last RX start.

Definition at line 187 of file wifi-phy-state-helper.cc.

References m_startRx.

◆ GetState()

WifiPhyState ns3::WifiPhyStateHelper::GetState ( ) const

Return the current state of WifiPhy.

Returns: the current state of WifiPhy

Definition at line 199 of file wifi-phy-state-helper.cc.

References m_endCcaBusy, m_endRx, m_endSwitching, m_endTx, m_isOff, m_sleeping, and ns3::Simulator::Now().

Referenced by GetDelayUntilIdle(), IsStateCcaBusy(), IsStateIdle(), IsStateOff(), IsStateRx(), IsStateSleep(), IsStateSwitching(), IsStateTx(), LogPreviousIdleAndCcaBusyStates(), SwitchMaybeToCcaBusy(), SwitchToChannelSwitching(), SwitchToOff(), SwitchToRx(), SwitchToSleep(), and SwitchToTx().

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◆ GetTypeId()

TypeId ns3::WifiPhyStateHelper::GetTypeId ( )

static

Get the type ID.

Returns: the object TypeId

Definition at line 43 of file wifi-phy-state-helper.cc.

References m_rxErrorTrace, m_rxOkTrace, m_stateLogger, m_txTrace, ns3::MakeTraceSourceAccessor(), and ns3::TypeId::SetParent().

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◆ IsStateCcaBusy()

bool ns3::WifiPhyStateHelper::IsStateCcaBusy ( ) const

Check whether the current state is CCA busy.

Returns: true if the current state is CCA busy, false otherwise

Definition at line 118 of file wifi-phy-state-helper.cc.

References GetState().

Referenced by DoSwitchFromRx(), SwitchFromRxAbort(), and SwitchToRx().

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◆ IsStateIdle()

bool ns3::WifiPhyStateHelper::IsStateIdle ( ) const

Check whether the current state is IDLE.

Returns: true if the current state is IDLE, false otherwise

Definition at line 112 of file wifi-phy-state-helper.cc.

References GetState().

Referenced by DoSwitchFromRx(), SwitchFromRxAbort(), and SwitchToRx().

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◆ IsStateOff()

bool ns3::WifiPhyStateHelper::IsStateOff ( ) const

Check whether the current state is OFF.

Returns: true if the current state is OFF, false otherwise

Definition at line 148 of file wifi-phy-state-helper.cc.

References GetState().

Referenced by SwitchFromOff(), and SwitchToOff().

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◆ IsStateRx()

bool ns3::WifiPhyStateHelper::IsStateRx ( ) const

Check whether the current state is RX.

Returns: true if the current state is RX, false otherwise

Definition at line 124 of file wifi-phy-state-helper.cc.

References GetState().

Referenced by SwitchToRx().

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◆ IsStateSleep()

bool ns3::WifiPhyStateHelper::IsStateSleep ( ) const

Check whether the current state is SLEEP.

Returns: true if the current state is SLEEP, false otherwise

Definition at line 142 of file wifi-phy-state-helper.cc.

References GetState().

Referenced by SwitchFromSleep(), and SwitchToSleep().

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◆ IsStateSwitching()

bool ns3::WifiPhyStateHelper::IsStateSwitching ( ) const

Check whether the current state is SWITCHING.

Returns: true if the current state is SWITCHING, false otherwise

Definition at line 136 of file wifi-phy-state-helper.cc.

References GetState().

Referenced by SwitchToChannelSwitching().

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◆ IsStateTx()

bool ns3::WifiPhyStateHelper::IsStateTx ( ) const

Check whether the current state is TX.

Returns: true if the current state is TX, false otherwise

Definition at line 130 of file wifi-phy-state-helper.cc.

References GetState().

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◆ LogPreviousIdleAndCcaBusyStates()

void ns3::WifiPhyStateHelper::LogPreviousIdleAndCcaBusyStates ( )

private

Log the idle and CCA busy states.

Definition at line 232 of file wifi-phy-state-helper.cc.

References GetState(), ns3::Time::IsStrictlyPositive(), m_endCcaBusy, m_endRx, m_endSwitching, m_endTx, m_startCcaBusy, m_stateLogger, ns3::Simulator::Now(), NS_ASSERT, and NS_LOG_FUNCTION.

Referenced by SwitchMaybeToCcaBusy(), SwitchToChannelSwitching(), SwitchToOff(), SwitchToRx(), SwitchToSleep(), and SwitchToTx().

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◆ NotifyListeners()

template<typename FUNC , typename... Ts>

void ns3::WifiPhyStateHelper::NotifyListeners	(	FUNC	f,
		Ts &&...	args
	)

Notify all WifiPhyListener objects of the given PHY event.

Template Parameters

FUNC	[deduced] Member function type
Ts	[deduced] Function argument types

Parameters

f	the member function to invoke
args	arguments to pass to the member function

Definition at line 383 of file wifi-phy-state-helper.h.

References f(), m_listeners, and NS_LOG_FUNCTION.

Referenced by SwitchFromOff(), SwitchFromRxAbort(), SwitchFromRxEndError(), SwitchFromRxEndOk(), SwitchFromSleep(), SwitchMaybeToCcaBusy(), SwitchToChannelSwitching(), SwitchToOff(), SwitchToRx(), SwitchToSleep(), and SwitchToTx().

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◆ NotifyRxMpdu()

void ns3::WifiPhyStateHelper::NotifyRxMpdu	(	Ptr< const WifiPsdu >	psdu,
		RxSignalInfo	rxSignalInfo,
		const WifiTxVector &	txVector
	)

Notify the reception of an MPDU included in an A-MPDU.

Parameters

psdu	the successfully received PSDU
rxSignalInfo	the info on the received signal (

See also: RxSignalInfo)

Parameters

txVector TXVECTOR of the PSDU

Definition at line 364 of file wifi-phy-state-helper.cc.

References ns3::Callback< R, UArgs >::IsNull(), m_rxOkCallback, and NS_LOG_FUNCTION.

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◆ NotifyRxPsduFailed()

void ns3::WifiPhyStateHelper::NotifyRxPsduFailed	(	Ptr< const WifiPsdu >	psdu,
		double	snr
	)

Handle the unsuccessful reception of a PSDU.

Parameters

psdu	the PSDU that we failed to received
snr	the SNR of the received PSDU in linear scale

Definition at line 401 of file wifi-phy-state-helper.cc.

References ns3::Callback< R, UArgs >::IsNull(), m_rxErrorCallback, m_rxErrorTrace, and NS_LOG_FUNCTION.

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◆ NotifyRxPsduSucceeded()

void ns3::WifiPhyStateHelper::NotifyRxPsduSucceeded	(	Ptr< const WifiPsdu >	psdu,
		RxSignalInfo	rxSignalInfo,
		const WifiTxVector &	txVector,
		uint16_t	staId,
		const std::vector< bool > &	statusPerMpdu
	)

Handle the successful reception of a PSDU.

Parameters

psdu	the successfully received PSDU
rxSignalInfo	the info on the received signal (

See also: RxSignalInfo)

Parameters

txVector	TXVECTOR of the PSDU
staId	the station ID of the PSDU (only used for MU)
statusPerMpdu	reception status per MPDU

Definition at line 376 of file wifi-phy-state-helper.cc.

References ns3::WifiTxVector::GetMode(), ns3::WifiTxVector::GetPreambleType(), ns3::Callback< R, UArgs >::IsNull(), m_rxOkCallback, m_rxOkTrace, NS_ASSERT, NS_LOG_FUNCTION, and ns3::RxSignalInfo::snr.

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◆ RegisterListener()

void ns3::WifiPhyStateHelper::RegisterListener ( const std::shared_ptr< WifiPhyListener > & listener )

Register WifiPhyListener to this WifiPhyStateHelper.

Parameters

listener the WifiPhyListener to register

Definition at line 100 of file wifi-phy-state-helper.cc.

References m_listeners.

◆ SetReceiveErrorCallback()

void ns3::WifiPhyStateHelper::SetReceiveErrorCallback ( RxErrorCallback callback )

Set a callback for a failed reception.

Parameters

callback the RxErrorCallback to set

Definition at line 94 of file wifi-phy-state-helper.cc.

References m_rxErrorCallback.

◆ SetReceiveOkCallback()

void ns3::WifiPhyStateHelper::SetReceiveOkCallback ( RxOkCallback callback )

Set a callback for a successful reception.

Parameters

callback the RxOkCallback to set

Definition at line 88 of file wifi-phy-state-helper.cc.

References m_rxOkCallback.

◆ SwitchFromOff()

void ns3::WifiPhyStateHelper::SwitchFromOff ( )

Switch from off mode.

Definition at line 564 of file wifi-phy-state-helper.cc.

References IsStateOff(), m_isOff, m_previousStateChangeTime, NotifyListeners(), ns3::WifiPhyListener::NotifyOn(), ns3::Simulator::Now(), NS_ASSERT, and NS_LOG_FUNCTION.

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◆ SwitchFromRxAbort()

void ns3::WifiPhyStateHelper::SwitchFromRxAbort ( uint16_t operatingWidth )

Abort current reception following a CCA reset request.

Parameters

operatingWidth the channel width the PHY is operating on (in MHz)

Definition at line 507 of file wifi-phy-state-helper.cc.

References DoSwitchFromRx(), IsStateCcaBusy(), IsStateIdle(), m_endCcaBusy, ns3::WifiPhyListener::NotifyCcaBusyStart(), NotifyListeners(), ns3::WifiPhyListener::NotifyRxEndOk(), ns3::Simulator::Now(), NS_ASSERT, NS_LOG_FUNCTION, ns3::Seconds(), and ns3::WIFI_CHANLIST_PRIMARY.

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◆ SwitchFromRxEndError()

void ns3::WifiPhyStateHelper::SwitchFromRxEndError ( )

Switch from RX after the reception failed.

Definition at line 424 of file wifi-phy-state-helper.cc.

References DoSwitchFromRx(), m_endRx, NotifyListeners(), ns3::WifiPhyListener::NotifyRxEndError(), ns3::Simulator::Now(), NS_ASSERT, and NS_LOG_FUNCTION.

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◆ SwitchFromRxEndOk()

void ns3::WifiPhyStateHelper::SwitchFromRxEndOk ( )

Switch from RX after the reception was successful.

Definition at line 415 of file wifi-phy-state-helper.cc.

References DoSwitchFromRx(), m_endRx, NotifyListeners(), ns3::WifiPhyListener::NotifyRxEndOk(), ns3::Simulator::Now(), NS_ASSERT, and NS_LOG_FUNCTION.

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◆ SwitchFromSleep()

void ns3::WifiPhyStateHelper::SwitchFromSleep ( )

Switch from sleep mode.

Definition at line 495 of file wifi-phy-state-helper.cc.

References IsStateSleep(), m_previousStateChangeTime, m_sleeping, m_startSleep, m_stateLogger, NotifyListeners(), ns3::WifiPhyListener::NotifyWakeup(), ns3::Simulator::Now(), NS_ASSERT, and NS_LOG_FUNCTION.

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◆ SwitchMaybeToCcaBusy()

void ns3::WifiPhyStateHelper::SwitchMaybeToCcaBusy	(	Time	duration,
		WifiChannelListType	channelType,
		const std::vector< Time > &	per20MhzDurations
	)

Switch to CCA busy.

Parameters

duration	the duration of the CCA state
channelType	the channel type for which the CCA busy state is reported.
per20MhzDurations	vector that indicates for how long each 20 MHz subchannel (corresponding to the index of the element in the vector) is busy and where a zero duration indicates that the subchannel is idle. The vector is non-empty if the PHY supports 802.11ax or later and if the operational channel width is larger than 20 MHz.

Definition at line 444 of file wifi-phy-state-helper.cc.

References GetState(), LogPreviousIdleAndCcaBusyStates(), m_endCcaBusy, m_startCcaBusy, ns3::WifiPhyListener::NotifyCcaBusyStart(), NotifyListeners(), ns3::Simulator::Now(), NS_LOG_FUNCTION, and ns3::WIFI_CHANLIST_PRIMARY.

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◆ SwitchToChannelSwitching()

void ns3::WifiPhyStateHelper::SwitchToChannelSwitching ( Time switchingDuration )

Switch state to channel switching for the given duration.

Parameters

switchingDuration the duration of required to switch the channel

Definition at line 331 of file wifi-phy-state-helper.cc.

References GetState(), IsStateSwitching(), ns3::Time::IsZero(), LogPreviousIdleAndCcaBusyStates(), m_endCcaBusy, m_endRx, m_endSwitching, m_previousStateChangeTime, m_startRx, m_startSwitching, m_stateLogger, NotifyListeners(), ns3::WifiPhyListener::NotifySwitchingStart(), ns3::Simulator::Now(), NS_ASSERT, NS_FATAL_ERROR, and NS_LOG_FUNCTION.

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◆ SwitchToOff()

void ns3::WifiPhyStateHelper::SwitchToOff ( )

Switch to off mode.

Definition at line 528 of file wifi-phy-state-helper.cc.

References GetState(), IsStateOff(), LogPreviousIdleAndCcaBusyStates(), m_endRx, m_endTx, m_isOff, m_previousStateChangeTime, m_startRx, m_startTx, m_stateLogger, NotifyListeners(), ns3::WifiPhyListener::NotifyOff(), ns3::Simulator::Now(), NS_ASSERT, NS_FATAL_ERROR, and NS_LOG_FUNCTION.

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◆ SwitchToRx()

void ns3::WifiPhyStateHelper::SwitchToRx ( Time rxDuration )

Switch state to RX for the given duration.

Parameters

rxDuration the duration of the RX

Definition at line 307 of file wifi-phy-state-helper.cc.

References GetState(), IsStateCcaBusy(), IsStateIdle(), IsStateRx(), LogPreviousIdleAndCcaBusyStates(), m_endRx, m_previousStateChangeTime, m_startRx, NotifyListeners(), ns3::WifiPhyListener::NotifyRxStart(), ns3::Simulator::Now(), NS_ASSERT, NS_FATAL_ERROR, and NS_LOG_FUNCTION.

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◆ SwitchToSleep()

void ns3::WifiPhyStateHelper::SwitchToSleep ( )

Switch to sleep mode.

Definition at line 472 of file wifi-phy-state-helper.cc.

References GetState(), IsStateSleep(), LogPreviousIdleAndCcaBusyStates(), m_previousStateChangeTime, m_sleeping, m_startSleep, NotifyListeners(), ns3::WifiPhyListener::NotifySleep(), ns3::Simulator::Now(), NS_ASSERT, NS_FATAL_ERROR, and NS_LOG_FUNCTION.

Referenced by ns3::WifiPhy::SetSleepMode().

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◆ SwitchToTx()

void ns3::WifiPhyStateHelper::SwitchToTx	(	Time	txDuration,
		WifiConstPsduMap	psdus,
		double	txPowerDbm,
		const WifiTxVector &	txVector
	)

Switch state to TX for the given duration.

Parameters

txDuration	the duration of the PPDU to transmit
psdus	the PSDUs in the transmitted PPDU (only one unless it is a MU PPDU)
txPowerDbm	the nominal TX power in dBm
txVector	the TX vector for the transmission

Definition at line 264 of file wifi-phy-state-helper.cc.

References ns3::WifiTxVector::GetMode(), ns3::WifiTxVector::GetPreambleType(), GetState(), ns3::WifiTxVector::GetTxPowerLevel(), LogPreviousIdleAndCcaBusyStates(), m_endRx, m_endTx, m_previousStateChangeTime, m_startRx, m_startTx, m_stateLogger, m_txTrace, NotifyListeners(), ns3::WifiPhyListener::NotifyTxStart(), ns3::Simulator::Now(), NS_FATAL_ERROR, and NS_LOG_FUNCTION.

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◆ UnregisterListener()

void ns3::WifiPhyStateHelper::UnregisterListener ( const std::shared_ptr< WifiPhyListener > & listener )

Remove WifiPhyListener from this WifiPhyStateHelper.

Parameters

listener the WifiPhyListener to unregister

Definition at line 106 of file wifi-phy-state-helper.cc.

References m_listeners.

Member Data Documentation

◆ m_endCcaBusy

Time ns3::WifiPhyStateHelper::m_endCcaBusy

private

end CCA busy

Definition at line 353 of file wifi-phy-state-helper.h.

Referenced by GetDelayUntilIdle(), GetState(), LogPreviousIdleAndCcaBusyStates(), SwitchFromRxAbort(), SwitchMaybeToCcaBusy(), and SwitchToChannelSwitching().

◆ m_endRx

Time ns3::WifiPhyStateHelper::m_endRx

private

end receive

Definition at line 352 of file wifi-phy-state-helper.h.

Referenced by DoSwitchFromRx(), GetDelayUntilIdle(), GetLastRxEndTime(), GetState(), LogPreviousIdleAndCcaBusyStates(), SwitchFromRxEndError(), SwitchFromRxEndOk(), SwitchToChannelSwitching(), SwitchToOff(), SwitchToRx(), and SwitchToTx().

◆ m_endSwitching

Time ns3::WifiPhyStateHelper::m_endSwitching

private

end switching

Definition at line 354 of file wifi-phy-state-helper.h.

Referenced by GetDelayUntilIdle(), GetState(), LogPreviousIdleAndCcaBusyStates(), and SwitchToChannelSwitching().

◆ m_endTx

Time ns3::WifiPhyStateHelper::m_endTx

private

end transmit

Definition at line 351 of file wifi-phy-state-helper.h.

Referenced by GetDelayUntilIdle(), GetState(), LogPreviousIdleAndCcaBusyStates(), SwitchToOff(), and SwitchToTx().

◆ m_isOff

bool ns3::WifiPhyStateHelper::m_isOff

private

switched off

Definition at line 350 of file wifi-phy-state-helper.h.

Referenced by GetState(), SwitchFromOff(), and SwitchToOff().

◆ m_listeners

Listeners ns3::WifiPhyStateHelper::m_listeners

private

listeners

Definition at line 362 of file wifi-phy-state-helper.h.

Referenced by NotifyListeners(), RegisterListener(), and UnregisterListener().

◆ m_previousStateChangeTime

Time ns3::WifiPhyStateHelper::m_previousStateChangeTime

private

previous state change time

Definition at line 360 of file wifi-phy-state-helper.h.

Referenced by DoSwitchFromRx(), SwitchFromOff(), SwitchFromSleep(), SwitchToChannelSwitching(), SwitchToOff(), SwitchToRx(), SwitchToSleep(), and SwitchToTx().

◆ m_rxErrorCallback

RxErrorCallback ns3::WifiPhyStateHelper::m_rxErrorCallback

private

receive error callback

Definition at line 369 of file wifi-phy-state-helper.h.

Referenced by NotifyRxPsduFailed(), and SetReceiveErrorCallback().

◆ m_rxErrorTrace

TracedCallback<Ptr<const Packet>, double> ns3::WifiPhyStateHelper::m_rxErrorTrace

private

receive error trace callback

Definition at line 365 of file wifi-phy-state-helper.h.

Referenced by GetTypeId(), and NotifyRxPsduFailed().

◆ m_rxOkCallback

RxOkCallback ns3::WifiPhyStateHelper::m_rxOkCallback

private

receive OK callback

Definition at line 368 of file wifi-phy-state-helper.h.

Referenced by NotifyRxMpdu(), NotifyRxPsduSucceeded(), and SetReceiveOkCallback().

◆ m_rxOkTrace

TracedCallback<Ptr<const Packet>, double, WifiMode, WifiPreamble> ns3::WifiPhyStateHelper::m_rxOkTrace

private

receive OK trace callback

Definition at line 364 of file wifi-phy-state-helper.h.

Referenced by GetTypeId(), and NotifyRxPsduSucceeded().

◆ m_sleeping

bool ns3::WifiPhyStateHelper::m_sleeping

private

sleeping

Definition at line 349 of file wifi-phy-state-helper.h.

Referenced by GetState(), SwitchFromSleep(), and SwitchToSleep().

◆ m_startCcaBusy

Time ns3::WifiPhyStateHelper::m_startCcaBusy

private

start CCA busy

Definition at line 357 of file wifi-phy-state-helper.h.

Referenced by LogPreviousIdleAndCcaBusyStates(), and SwitchMaybeToCcaBusy().

◆ m_startRx

Time ns3::WifiPhyStateHelper::m_startRx

private

start receive

Definition at line 356 of file wifi-phy-state-helper.h.

Referenced by DoSwitchFromRx(), GetLastRxStartTime(), SwitchToChannelSwitching(), SwitchToOff(), SwitchToRx(), and SwitchToTx().

◆ m_startSleep

Time ns3::WifiPhyStateHelper::m_startSleep

private

start sleep

Definition at line 359 of file wifi-phy-state-helper.h.

Referenced by SwitchFromSleep(), and SwitchToSleep().

◆ m_startSwitching

Time ns3::WifiPhyStateHelper::m_startSwitching

private

start switching

Definition at line 358 of file wifi-phy-state-helper.h.

Referenced by SwitchToChannelSwitching().

◆ m_startTx

Time ns3::WifiPhyStateHelper::m_startTx

private

start transmit

Definition at line 355 of file wifi-phy-state-helper.h.

Referenced by SwitchToOff(), and SwitchToTx().

◆ m_stateLogger

TracedCallback<Time, Time, WifiPhyState> ns3::WifiPhyStateHelper::m_stateLogger

private

The trace source fired when state is changed.

Definition at line 346 of file wifi-phy-state-helper.h.

Referenced by DoSwitchFromRx(), GetTypeId(), LogPreviousIdleAndCcaBusyStates(), SwitchFromSleep(), SwitchToChannelSwitching(), SwitchToOff(), and SwitchToTx().

◆ m_txTrace

TracedCallback<Ptr<const Packet>, WifiMode, WifiPreamble, uint8_t> ns3::WifiPhyStateHelper::m_txTrace

private

transmit trace callback

Definition at line 367 of file wifi-phy-state-helper.h.

Referenced by GetTypeId(), and SwitchToTx().

◆ NS_LOG_TEMPLATE_DECLARE

ns3::WifiPhyStateHelper::NS_LOG_TEMPLATE_DECLARE

private

the log component

Definition at line 348 of file wifi-phy-state-helper.h.

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

src/wifi/model/wifi-phy-state-helper.h
src/wifi/model/wifi-phy-state-helper.cc

Public Types

Public Member Functions

Static Public Member Functions

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Config Paths

TraceSources

Member Typedef Documentation

◆ Listeners

◆ RxEndErrorTracedCallback

◆ RxOkTracedCallback

◆ StateTracedCallback

◆ TxTracedCallback

Constructor & Destructor Documentation

◆ WifiPhyStateHelper()

Member Function Documentation

◆ DoSwitchFromRx()

◆ GetDelayUntilIdle()

◆ GetLastRxEndTime()

◆ GetLastRxStartTime()

◆ GetState()

◆ GetTypeId()

◆ IsStateCcaBusy()

◆ IsStateIdle()

◆ IsStateOff()

◆ IsStateRx()

◆ IsStateSleep()

◆ IsStateSwitching()

◆ IsStateTx()

◆ LogPreviousIdleAndCcaBusyStates()

◆ NotifyListeners()

◆ NotifyRxMpdu()

◆ NotifyRxPsduFailed()

◆ NotifyRxPsduSucceeded()

◆ RegisterListener()

◆ SetReceiveErrorCallback()

◆ SetReceiveOkCallback()

◆ SwitchFromOff()

◆ SwitchFromRxAbort()

◆ SwitchFromRxEndError()

◆ SwitchFromRxEndOk()

◆ SwitchFromSleep()

◆ SwitchMaybeToCcaBusy()

◆ SwitchToChannelSwitching()

◆ SwitchToOff()

◆ SwitchToRx()

◆ SwitchToSleep()

◆ SwitchToTx()

◆ UnregisterListener()

Member Data Documentation

◆ m_endCcaBusy

◆ m_endRx

◆ m_endSwitching

◆ m_endTx

◆ m_isOff

◆ m_listeners

◆ m_previousStateChangeTime

◆ m_rxErrorCallback

◆ m_rxErrorTrace

◆ m_rxOkCallback

◆ m_rxOkTrace

◆ m_sleeping

◆ m_startCcaBusy

◆ m_startRx

◆ m_startSleep

◆ m_startSwitching

◆ m_startTx

◆ m_stateLogger

◆ m_txTrace

◆ NS_LOG_TEMPLATE_DECLARE