inet::ieee80211::LegacyDuplicateRemoval Class Reference

#include <LegacyDuplicateRemoval.h>

Inheritance diagram for inet::ieee80211::LegacyDuplicateRemoval:

Public Member Functions
virtual bool	isDuplicate (Ieee80211DataOrMgmtFrame *frame) override
Public Member Functions inherited from inet::ieee80211::IDuplicateRemoval
virtual	~IDuplicateRemoval ()

Protected Attributes
std::map< MACAddress, SequenceControlField >	lastSeenSeqNumCache

Member Function Documentation

bool inet::ieee80211::LegacyDuplicateRemoval::isDuplicate ( Ieee80211DataOrMgmtFrame *  frame )

overridevirtual

Implements inet::ieee80211::IDuplicateRemoval.

{
    ASSERT(frame->getType() != ST_DATA_WITH_QOS);
    const MACAddress& address = frame->getTransmitterAddress();
    SequenceControlField seqVal(frame);
    auto it = lastSeenSeqNumCache.find(address);
    if (it == lastSeenSeqNumCache.end())
        lastSeenSeqNumCache.insert(std::pair<MACAddress, SequenceControlField>(address, seqVal));
    else if (it->second.getSequenceNumber() == seqVal.getSequenceNumber() && it->second.getFragmentNumber() == seqVal.getFragmentNumber() && frame->getRetry())
        return true;
    else
        it->second = seqVal;
    return false;
}

Member Data Documentation

std::map<MACAddress, SequenceControlField> inet::ieee80211::LegacyDuplicateRemoval::lastSeenSeqNumCache

protected

Referenced by isDuplicate().

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

• LegacyDuplicateRemoval.h
• LegacyDuplicateRemoval.cc