#include <BlockAckRecord.h>

Public Member Functions
	BlockAckRecord (MACAddress originatorAddress, Tid tid)

virtual	~BlockAckRecord ()

void	blockAckPolicyFrameReceived (Ieee80211DataFrame *frame)

bool	getAckState (SequenceNumber sequenceNumber, FragmentNumber fragmentNumber)

MACAddress	getOriginatorAddress ()

Tid	getTid ()

Protected Attributes
MACAddress	originatorAddress = MACAddress::UNSPECIFIED_ADDRESS

Tid	tid = -1

std::map< std::pair< SequenceNumber, FragmentNumber >, bool >	acknowledgmentState

Constructor & Destructor Documentation

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

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

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

inlinevirtual

41 { }

Member Function Documentation

void inet::ieee80211::BlockAckRecord::blockAckPolicyFrameReceived ( Ieee80211DataFrame * frame )

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

 {
     SequenceNumber sequenceNumber = frame->getSequenceNumber();
     FragmentNumber fragmentNumber = frame->getFragmentNumber();
     acknowledgmentState[std::make_pair(sequenceNumber, fragmentNumber)] = true;
 }

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

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

 {
     // 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).
     auto it = acknowledgmentState.find(std::make_pair(sequenceNumber, fragmentNumber));
     if (it != acknowledgmentState.end()) {
         return true;
     }
     else if (acknowledgmentState.size() == 0) {
         return true; // TODO: old?
     }
     else {
         auto earliest = acknowledgmentState.begin();
         return earliest->second > sequenceNumber; // old = true
     }
 }