inet::ieee80211::RecipientQoSAckPolicy Class Reference

#include <RecipientQoSAckPolicy.h>

Inheritance diagram for inet::ieee80211::RecipientQoSAckPolicy:

Public Member Functions
virtual bool	isAckNeeded (Ieee80211DataOrMgmtFrame *frame) const override
virtual bool	isBlockAckNeeded (Ieee80211BlockAckReq *blockAckReq, RecipientBlockAckAgreement *agreement) const override
virtual simtime_t	computeAckDurationField (Ieee80211DataOrMgmtFrame *frame) const override
virtual simtime_t	computeBasicBlockAckDurationField (Ieee80211BasicBlockAckReq *basicBlockAckReq) const override
Public Member Functions inherited from inet::ieee80211::IRecipientAckPolicy
virtual	~IRecipientAckPolicy ()
Public Member Functions inherited from inet::ieee80211::IRecipientQoSAckPolicy
virtual	~IRecipientQoSAckPolicy ()

Protected Member Functions
virtual int	numInitStages () const override
virtual void	initialize (int stage) override
simtime_t	computeBasicBlockAckDuration (Ieee80211BlockAckReq *blockAckReq) const
simtime_t	computeAckDuration (Ieee80211DataOrMgmtFrame *dataOrMgmtFrame) const
Protected Member Functions inherited from inet::ieee80211::ModeSetListener
virtual void	receiveSignal (cComponent *source, simsignal_t signalID, cObject *obj, cObject *details) override

Protected Attributes
IQoSRateSelection *	rateSelection = nullptr
Protected Attributes inherited from inet::ieee80211::ModeSetListener
Ieee80211ModeSet *	modeSet = nullptr

Member Function Documentation

simtime_t inet::ieee80211::RecipientQoSAckPolicy::computeAckDuration ( Ieee80211DataOrMgmtFrame *  dataOrMgmtFrame ) const

protected

Referenced by computeAckDurationField().

{
    return rateSelection->computeResponseAckFrameMode(dataOrMgmtFrame)->getDuration(LENGTH_ACK);
}

simtime_t inet::ieee80211::RecipientQoSAckPolicy::computeAckDurationField ( Ieee80211DataOrMgmtFrame *  frame ) const

overridevirtual

Implements inet::ieee80211::IRecipientAckPolicy.

{
    simtime_t duration = frame->getDuration() - modeSet->getSifsTime() - computeAckDuration(frame);
    return duration < 0 ? 0 : duration;
}

simtime_t inet::ieee80211::RecipientQoSAckPolicy::computeBasicBlockAckDuration ( Ieee80211BlockAckReq *  blockAckReq ) const

protected

Referenced by computeBasicBlockAckDurationField().

{
    return rateSelection->computeResponseBlockAckFrameMode(blockAckReq)->getDuration(LENGTH_BASIC_BLOCKACK);
}

simtime_t inet::ieee80211::RecipientQoSAckPolicy::computeBasicBlockAckDurationField ( Ieee80211BasicBlockAckReq *  basicBlockAckReq ) const

overridevirtual

Implements inet::ieee80211::IRecipientQoSAckPolicy.

{
    return basicBlockAckReq->getDuration() - modeSet->getSifsTime() - computeBasicBlockAckDuration(basicBlockAckReq);
}

void inet::ieee80211::RecipientQoSAckPolicy::initialize ( int  stage )

overrideprotectedvirtual

Reimplemented from inet::ieee80211::ModeSetListener.

{
    ModeSetListener::initialize(stage);
    if (stage == INITSTAGE_LOCAL) {
        rateSelection = check_and_cast<IQoSRateSelection*>(getModuleByPath(par("rateSelectionModule")));
    }
}

bool inet::ieee80211::RecipientQoSAckPolicy::isAckNeeded ( Ieee80211DataOrMgmtFrame *  frame ) const

overridevirtual

Implements inet::ieee80211::IRecipientAckPolicy.

{
    // TODO: add mgmt frame NoAck check
    if (auto dataFrame = dynamic_cast<Ieee80211DataFrame*>(frame))
        if (dataFrame->getAckPolicy() != NORMAL_ACK)
            return false;
    return !frame->getReceiverAddress().isMulticast();
}

bool inet::ieee80211::RecipientQoSAckPolicy::isBlockAckNeeded ( Ieee80211BlockAckReq *  blockAckReq, RecipientBlockAckAgreement *  agreement  ) const

overridevirtual

Implements inet::ieee80211::IRecipientQoSAckPolicy.

{
    if (dynamic_cast<Ieee80211BasicBlockAckReq*>(blockAckReq)) {
        return agreement != nullptr;
        // TODO: The Basic BlockAckReq frame shall be discarded if all MSDUs referenced by this
        // frame have been discarded from the transmit buffer due to expiry of their lifetime limit.
    }
    else
        throw cRuntimeError("Unsupported BlockAckReq");
}

virtual int inet::ieee80211::RecipientQoSAckPolicy::numInitStages ( ) const

inlineoverrideprotectedvirtual

Reimplemented from inet::ieee80211::ModeSetListener.

{ return NUM_INIT_STAGES; }

Member Data Documentation

IQoSRateSelection* inet::ieee80211::RecipientQoSAckPolicy::rateSelection = nullptr

protected

Referenced by computeAckDuration(), computeBasicBlockAckDuration(), and initialize().

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

• RecipientQoSAckPolicy.h
• RecipientQoSAckPolicy.cc