inet::ieee80211::NonQoSSequenceNumberAssignment Class Reference

#include <NonQoSSequenceNumberAssignment.h>

Inheritance diagram for inet::ieee80211::NonQoSSequenceNumberAssignment:

Public Member Functions
virtual void	assignSequenceNumber (Ieee80211DataOrMgmtFrame *frame) override
Public Member Functions inherited from inet::ieee80211::ISequenceNumberAssignment
virtual	~ISequenceNumberAssignment ()

Protected Attributes
std::map< MACAddress, SequenceNumber >	lastSentSeqNums
Protected Attributes inherited from inet::ieee80211::LegacySequenceNumberAssigment
SequenceNumber	lastSeqNum = 0

Member Function Documentation

void inet::ieee80211::NonQoSSequenceNumberAssignment::assignSequenceNumber ( Ieee80211DataOrMgmtFrame *  frame )

overridevirtual

Reimplemented from inet::ieee80211::LegacySequenceNumberAssigment.

{
    ASSERT(frame->getType() != ST_DATA_WITH_QOS);
    lastSeqNum = (lastSeqNum + 1) % 4096;
    const MACAddress& address = frame->getReceiverAddress();
    auto it = lastSentSeqNums.find(address);
    if (it == lastSentSeqNums.end())
        lastSentSeqNums[address] = lastSeqNum;
    else {
        if (it->second == lastSeqNum)
            lastSeqNum = (lastSeqNum + 1) % 4096; // make it different from the last sequence number sent to that RA (spec: "add 2")
        it->second = lastSeqNum;
    }
    frame->setSequenceNumber(lastSeqNum);
}

Member Data Documentation

std::map<MACAddress, SequenceNumber> inet::ieee80211::NonQoSSequenceNumberAssignment::lastSentSeqNums

protected

Referenced by assignSequenceNumber().

---

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

• NonQoSSequenceNumberAssignment.h
• NonQoSSequenceNumberAssignment.cc