inet::ieee80211::BlockAckRecord Class Reference

#include <BlockAckRecord.h>

Public Member Functions
	BlockAckRecord (MacAddress originatorAddress, Tid tid)
virtual	~BlockAckRecord ()
void	blockAckPolicyFrameReceived (const Ptr< const Ieee80211DataHeader > &header)
bool	getAckState (SequenceNumberCyclic sequenceNumber, FragmentNumber fragmentNumber)
void	removeAckStates (SequenceNumberCyclic sequenceNumber)
MacAddress	getOriginatorAddress ()
Tid	getTid ()

Protected Attributes
MacAddress	originatorAddress = MacAddress::UNSPECIFIED_ADDRESS
Tid	tid = -1
std::map< SequenceControlField, bool >	acknowledgmentState

Constructor & Destructor Documentation

BlockAckRecord()

inet::ieee80211::BlockAckRecord::BlockAckRecord	(	MacAddress	originatorAddress,
		Tid	tid
	)

                                                                    :
    originatorAddress(originatorAddress),
    tid(tid)
{
}

~BlockAckRecord()

virtual inet::ieee80211::BlockAckRecord::~BlockAckRecord ( )

inlinevirtual

{}

Member Function Documentation

blockAckPolicyFrameReceived()

void inet::ieee80211::BlockAckRecord::blockAckPolicyFrameReceived

(

const Ptr< const Ieee80211DataHeader > &

header

)

{
    SequenceNumberCyclic sequenceNumber = header->getSequenceNumber();
    FragmentNumber fragmentNumber = header->getFragmentNumber();
    acknowledgmentState[SequenceControlField(sequenceNumber.get(), fragmentNumber)] = true;
}

Referenced by inet::ieee80211::RecipientBlockAckAgreement::blockAckPolicyFrameReceived().

getAckState()

bool inet::ieee80211::BlockAckRecord::getAckState	(	SequenceNumberCyclic	sequenceNumber,
		FragmentNumber	fragmentNumber
	)

{
    // The status of MPDUs that are considered “old” and prior to the sequence number
    // range for which the receiver maintains status shall be reported as successfully
    // received (i.e., the corresponding bit in the bitmap shall be set to 1).
    if (containsKey(acknowledgmentState, SequenceControlField(sequenceNumber.get(), fragmentNumber))) {
        return true;
    }
    else if (acknowledgmentState.size() == 0) {
        return true; // TODO old?
    }
    else {
        auto earliest = acknowledgmentState.begin();
        return SequenceNumberCyclic(earliest->first.getSequenceNumber()) > sequenceNumber; // old = true
    }
}

Referenced by inet::ieee80211::RecipientBlockAckProcedure::buildBlockAck().

getOriginatorAddress()

MacAddress inet::ieee80211::BlockAckRecord::getOriginatorAddress ( )

inline

{ return originatorAddress; }

Referenced by inet::ieee80211::BlockAckReordering::createReceiveBufferIfNecessary(), and inet::ieee80211::operator<<().

getTid()

Tid inet::ieee80211::BlockAckRecord::getTid ( )

inline

{ return tid; }

Referenced by inet::ieee80211::BlockAckReordering::createReceiveBufferIfNecessary(), and inet::ieee80211::operator<<().

removeAckStates()

void inet::ieee80211::BlockAckRecord::removeAckStates

(

SequenceNumberCyclic

sequenceNumber

)

{
    auto it = acknowledgmentState.begin();
    while (it != acknowledgmentState.end()) {
        if (SequenceNumberCyclic(it->first.getSequenceNumber()) < sequenceNumber)
            it = acknowledgmentState.erase(it);
        else
            it++;
    }
}

Referenced by inet::ieee80211::BlockAckReordering::passedUp().

Member Data Documentation

acknowledgmentState

std::map<SequenceControlField, bool> inet::ieee80211::BlockAckRecord::acknowledgmentState

protected

Referenced by blockAckPolicyFrameReceived(), getAckState(), and removeAckStates().

originatorAddress

MacAddress inet::ieee80211::BlockAckRecord::originatorAddress = MacAddress::UNSPECIFIED_ADDRESS

protected

tid

Tid inet::ieee80211::BlockAckRecord::tid = -1

protected

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

• BlockAckRecord.h
• BlockAckRecord.cc