inet::ieee80211::MpduDeaggregation Class Reference

#include <MpduDeaggregation.h>

Inheritance diagram for inet::ieee80211::MpduDeaggregation:

Public Member Functions
virtual std::vector< Packet * > *	deaggregateFrame (Packet *frame) override
Public Member Functions inherited from inet::ieee80211::IMpduDeaggregation
virtual	~IMpduDeaggregation ()

Member Function Documentation

deaggregateFrame()

std::vector< Packet * > * inet::ieee80211::MpduDeaggregation::deaggregateFrame ( Packet *  frame )

overridevirtual

Implements inet::ieee80211::IMpduDeaggregation.

{
    EV_DEBUG << "Deaggregating A-MPDU " << *aggregatedFrame << " into multiple packets.\n";
    std::vector<Packet *> *frames = new std::vector<Packet *>();
    int paddingLength = 0;
    cStringTokenizer tokenizer(aggregatedFrame->getName(), "+");
    while (aggregatedFrame->getDataLength() > b(0)) {
        aggregatedFrame->setFrontOffset(aggregatedFrame->getFrontOffset() + B(paddingLength == 4 ? 0 : paddingLength));
        const auto& mpduSubframeHeader = aggregatedFrame->popAtFront<Ieee80211MpduSubframeHeader>();
        const auto& mpdu = aggregatedFrame->peekDataAt(b(0), B(mpduSubframeHeader->getLength()));
        paddingLength = 4 - B(mpduSubframeHeader->getChunkLength() + mpdu->getChunkLength()).get() % 4;
        aggregatedFrame->setFrontOffset(aggregatedFrame->getFrontOffset() + mpdu->getChunkLength());
        auto frame = new Packet();
        frame->setName(tokenizer.nextToken());
        frame->insertAtBack(mpdu);
        EV_TRACE << "Created " << *frame << " from A-MPDU.\n";
        // TODO check CRC?
        frames->push_back(frame);
    }
    delete aggregatedFrame;
    EV_TRACE << "Created " << frames->size() << " packets from A-MPDU.\n";
    return frames;
}

---

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

• MpduDeaggregation.h
• MpduDeaggregation.cc