inet::Ieee80211PhyProtocolDissector Class Reference

#include <Ieee80211PhyProtocolDissector.h>

Inheritance diagram for inet::Ieee80211PhyProtocolDissector:

Public Member Functions
virtual void	dissect (Packet *packet, const Protocol *protocol, ICallback &callback) const override
	Dissects the packet according to the protocol implemented by this ProtocolDissector. More...

Member Function Documentation

dissect()

void inet::Ieee80211PhyProtocolDissector::dissect ( Packet *  packet, const Protocol *  protocol, ICallback &  callback  ) const

overridevirtual

Dissects the packet according to the protocol implemented by this ProtocolDissector.

Implements inet::ProtocolDissector.

{
    auto protocolTag = packet->getTag<PacketProtocolTag>()->getProtocol();
    callback.startProtocolDataUnit(protocolTag);
    auto originalBackOffset = packet->getBackOffset();
    auto payloadEndOffset = packet->getFrontOffset();
    const auto& header = physicallayer::Ieee80211Radio::popIeee80211PhyHeaderAtFront(packet, b(-1), Chunk::PF_ALLOW_INCORRECT);
    callback.visitChunk(header, protocolTag);
    payloadEndOffset += header->getChunkLength() + header->getLengthField();
    bool incorrect = (payloadEndOffset > originalBackOffset || b(header->getLengthField()) < header->getChunkLength());
    if (incorrect) {
        callback.markIncorrect();
        payloadEndOffset = originalBackOffset;
    }
    packet->setBackOffset(payloadEndOffset);
    callback.dissectPacket(packet, &Protocol::ieee80211Mac);
    packet->setBackOffset(originalBackOffset);
    auto paddingLength = packet->getDataLength();
    if (paddingLength > b(0)) {
        const auto& padding = packet->popAtFront(paddingLength);
        callback.visitChunk(padding, protocolTag);
    }
    callback.endProtocolDataUnit(protocolTag);
}

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

• Ieee80211PhyProtocolDissector.h
• Ieee80211PhyProtocolDissector.cc