inet::ieee80211::FrameSequenceContext Class Reference

#include <FrameSequenceContext.h>

Public Member Functions
	FrameSequenceContext (MACAddress address, Ieee80211ModeSet *modeSet, InProgressFrames *inProgressFrames, IRtsProcedure *rtsProcedure, IRtsPolicy *rtsPolicy, NonQoSContext *nonQosContext, QoSContext *qosContext)
virtual	~FrameSequenceContext ()
virtual void	addStep (IFrameSequenceStep *step)
virtual int	getNumSteps () const
virtual IFrameSequenceStep *	getStep (int i) const
virtual IFrameSequenceStep *	getLastStep () const
virtual IFrameSequenceStep *	getStepBeforeLast () const
virtual InProgressFrames *	getInProgressFrames () const
virtual IRtsProcedure *	getRtsProcedure () const
virtual IRtsPolicy *	getRtsPolicy () const
virtual NonQoSContext *	getNonQoSContext () const
virtual QoSContext *	getQoSContext () const
virtual simtime_t	getAckTimeout (Ieee80211DataOrMgmtFrame *dataOrMgmtframe) const
virtual simtime_t	getCtsTimeout (Ieee80211RTSFrame *rtsFrame) const
virtual simtime_t	getIfs () const
virtual bool	isForUs (Ieee80211Frame *frame) const
virtual bool	isSentByUs (Ieee80211Frame *frame) const

Protected Attributes
MACAddress	address = MACAddress::UNSPECIFIED_ADDRESS
Ieee80211ModeSet *	modeSet = nullptr
InProgressFrames *	inProgressFrames = nullptr
std::vector< IFrameSequenceStep * >	steps
IRtsProcedure *	rtsProcedure = nullptr
IRtsPolicy *	rtsPolicy = nullptr
NonQoSContext *	nonQoSContext = nullptr
QoSContext *	qosContext = nullptr

Constructor & Destructor Documentation

inet::ieee80211::FrameSequenceContext::FrameSequenceContext	(	MACAddress	address,
		Ieee80211ModeSet *	modeSet,
		InProgressFrames *	inProgressFrames,
		IRtsProcedure *	rtsProcedure,
		IRtsPolicy *	rtsPolicy,
		NonQoSContext *	nonQosContext,
		QoSContext *	qosContext
	)

                                                                                                                                                                                                                                      :
    address(address),
    modeSet(modeSet),
    inProgressFrames(inProgressFrames),
    rtsProcedure(rtsProcedure),
    rtsPolicy(rtsPolicy),
    nonQoSContext(nonQoSContext),
    qosContext(qosContext)
{
}

inet::ieee80211::FrameSequenceContext::~FrameSequenceContext ( )

virtual

{
    for (auto step : steps)
        delete step;
    delete nonQoSContext;
    delete qosContext;
    inProgressFrames->clearDroppedFrames();
}

Member Function Documentation

virtual void inet::ieee80211::FrameSequenceContext::addStep ( IFrameSequenceStep *  step )

inlinevirtual

Referenced by inet::ieee80211::FrameSequenceHandler::startFrameSequenceStep().

{ steps.push_back(step); }

simtime_t inet::ieee80211::FrameSequenceContext::getAckTimeout ( Ieee80211DataOrMgmtFrame *  dataOrMgmtframe ) const

virtual

Referenced by inet::ieee80211::ManagementAckFs::prepareStep(), inet::ieee80211::AckFs::prepareStep(), inet::ieee80211::FragFrameAckFs::prepareStep(), and inet::ieee80211::LastFrameAckFs::prepareStep().

{
    return qosContext ? qosContext->ackPolicy->getAckTimeout(dataOrMgmtframe) : nonQoSContext->ackPolicy->getAckTimeout(dataOrMgmtframe);
}

simtime_t inet::ieee80211::FrameSequenceContext::getCtsTimeout ( Ieee80211RTSFrame *  rtsFrame ) const

virtual

Referenced by inet::ieee80211::RtsCtsFs::prepareStep(), and inet::ieee80211::CtsFs::prepareStep().

{
    return rtsPolicy->getCtsTimeout(rtsFrame);
}

simtime_t inet::ieee80211::FrameSequenceContext::getIfs ( ) const

virtual

Referenced by inet::ieee80211::DataFs::prepareStep(), inet::ieee80211::ManagementAckFs::prepareStep(), inet::ieee80211::ManagementFs::prepareStep(), inet::ieee80211::RtsCtsFs::prepareStep(), inet::ieee80211::RtsFs::prepareStep(), inet::ieee80211::FragFrameAckFs::prepareStep(), inet::ieee80211::LastFrameAckFs::prepareStep(), and inet::ieee80211::BlockAckReqBlockAckFs::prepareStep().

{
    return getNumSteps() == 0 ? 0 : modeSet->getSifsTime(); // TODO: pifs
}

virtual InProgressFrames* inet::ieee80211::FrameSequenceContext::getInProgressFrames ( ) const

inlinevirtual

Referenced by inet::ieee80211::DcfFs::hasMoreFragments(), inet::ieee80211::HcfFs::hasMoreTxOps(), inet::ieee80211::HcfFs::hasMoreTxOpsAndMulticast(), inet::ieee80211::DcfFs::isBroadcastManagementOrGroupDataSequenceNeeded(), inet::ieee80211::DcfFs::isFragFrameSequenceNeeded(), inet::ieee80211::TxOpFs::isRtsCtsNeeded(), inet::ieee80211::DcfFs::isRtsCtsNeeded(), inet::ieee80211::DataFs::prepareStep(), inet::ieee80211::ManagementAckFs::prepareStep(), inet::ieee80211::ManagementFs::prepareStep(), inet::ieee80211::RtsCtsFs::prepareStep(), inet::ieee80211::RtsFs::prepareStep(), inet::ieee80211::FragFrameAckFs::prepareStep(), inet::ieee80211::LastFrameAckFs::prepareStep(), inet::ieee80211::BlockAckReqBlockAckFs::prepareStep(), inet::ieee80211::HcfFs::selectDataOrManagementSequence(), inet::ieee80211::HcfFs::selectHcfSequence(), inet::ieee80211::DcfFs::selectMulticastDataOrMgmt(), and inet::ieee80211::TxOpFs::selectTxOpSequence().

{ return inProgressFrames; }

virtual IFrameSequenceStep* inet::ieee80211::FrameSequenceContext::getLastStep ( ) const

inlinevirtual

Referenced by inet::ieee80211::FrameSequenceHandler::abortFrameSequence(), inet::ieee80211::FrameSequenceHandler::finishFrameSequenceStep(), inet::ieee80211::FrameSequenceHandler::handleStartRxTimeout(), inet::ieee80211::ManagementAckFs::prepareStep(), inet::ieee80211::AckFs::prepareStep(), inet::ieee80211::RtsCtsFs::prepareStep(), inet::ieee80211::CtsFs::prepareStep(), inet::ieee80211::FragFrameAckFs::prepareStep(), inet::ieee80211::LastFrameAckFs::prepareStep(), inet::ieee80211::BlockAckReqBlockAckFs::prepareStep(), and inet::ieee80211::FrameSequenceHandler::processResponse().

{ return steps.size() > 0 ? steps.back() : nullptr; }

virtual NonQoSContext* inet::ieee80211::FrameSequenceContext::getNonQoSContext ( ) const

inlinevirtual

{ return nonQoSContext; }

virtual int inet::ieee80211::FrameSequenceContext::getNumSteps ( ) const

inlinevirtual

Referenced by getIfs().

{ return steps.size(); }

virtual QoSContext* inet::ieee80211::FrameSequenceContext::getQoSContext ( ) const

inlinevirtual

Referenced by inet::ieee80211::HcfFs::hasMoreTxOps(), inet::ieee80211::BlockAckReqBlockAckFs::prepareStep(), and inet::ieee80211::TxOpFs::selectTxOpSequence().

{ return qosContext; }

virtual IRtsPolicy* inet::ieee80211::FrameSequenceContext::getRtsPolicy ( ) const

inlinevirtual

Referenced by inet::ieee80211::TxOpFs::isRtsCtsNeeded(), and inet::ieee80211::DcfFs::isRtsCtsNeeded().

{ return rtsPolicy; }

virtual IRtsProcedure* inet::ieee80211::FrameSequenceContext::getRtsProcedure ( ) const

inlinevirtual

Referenced by inet::ieee80211::RtsCtsFs::prepareStep(), and inet::ieee80211::RtsFs::prepareStep().

{ return rtsProcedure; }

virtual IFrameSequenceStep* inet::ieee80211::FrameSequenceContext::getStep ( int  i ) const

inlinevirtual

Referenced by inet::ieee80211::ManagementAckFs::completeStep(), inet::ieee80211::AckFs::completeStep(), inet::ieee80211::RtsCtsFs::completeStep(), inet::ieee80211::CtsFs::completeStep(), inet::ieee80211::FragFrameAckFs::completeStep(), inet::ieee80211::LastFrameAckFs::completeStep(), and inet::ieee80211::BlockAckReqBlockAckFs::completeStep().

{ return steps[i]; }

virtual IFrameSequenceStep* inet::ieee80211::FrameSequenceContext::getStepBeforeLast ( ) const

inlinevirtual

Referenced by inet::ieee80211::FrameSequenceHandler::abortFrameSequence(), and inet::ieee80211::FrameSequenceHandler::finishFrameSequenceStep().

{ return steps.size() > 1 ? steps[steps.size() - 2] : nullptr; }

bool inet::ieee80211::FrameSequenceContext::isForUs ( Ieee80211Frame *  frame ) const

virtual

Referenced by inet::ieee80211::ManagementAckFs::completeStep(), inet::ieee80211::AckFs::completeStep(), inet::ieee80211::RtsCtsFs::completeStep(), inet::ieee80211::CtsFs::completeStep(), inet::ieee80211::FragFrameAckFs::completeStep(), inet::ieee80211::LastFrameAckFs::completeStep(), and inet::ieee80211::BlockAckReqBlockAckFs::completeStep().

{
    return frame->getReceiverAddress() == address || (frame->getReceiverAddress().isMulticast() && !isSentByUs(frame));
}

bool inet::ieee80211::FrameSequenceContext::isSentByUs ( Ieee80211Frame *  frame ) const

virtual

Referenced by isForUs().

{
    // FIXME:
    // Check the roles of the Addr3 field when aggregation is applied
    // Table 8-19—Address field contents
    if (auto dataOrMgmtFrame = dynamic_cast<Ieee80211DataOrMgmtFrame *>(frame))
        return dataOrMgmtFrame->getAddress3() == address;
    else
        return false;
}

Member Data Documentation

MACAddress inet::ieee80211::FrameSequenceContext::address = MACAddress::UNSPECIFIED_ADDRESS

protected

Referenced by isForUs(), and isSentByUs().

InProgressFrames* inet::ieee80211::FrameSequenceContext::inProgressFrames = nullptr

protected

Referenced by ~FrameSequenceContext().

Ieee80211ModeSet* inet::ieee80211::FrameSequenceContext::modeSet = nullptr

protected

Referenced by getIfs().

NonQoSContext* inet::ieee80211::FrameSequenceContext::nonQoSContext = nullptr

protected

Referenced by getAckTimeout(), and ~FrameSequenceContext().

QoSContext* inet::ieee80211::FrameSequenceContext::qosContext = nullptr

protected

Referenced by getAckTimeout(), and ~FrameSequenceContext().

IRtsPolicy* inet::ieee80211::FrameSequenceContext::rtsPolicy = nullptr

protected

Referenced by getCtsTimeout().

IRtsProcedure* inet::ieee80211::FrameSequenceContext::rtsProcedure = nullptr

protected

std::vector<IFrameSequenceStep *> inet::ieee80211::FrameSequenceContext::steps

protected

Referenced by ~FrameSequenceContext().

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

• FrameSequenceContext.h
• FrameSequenceContext.cc