LLCLayer.h

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#ifndef PACKETPP_LLC_LAYER
#define PACKETPP_LLC_LAYER

#include "Layer.h"


namespace pcpp
{
    #pragma pack(push, 1)
    struct llc_header
    {
        uint8_t dsap,
        ssap,
        control;
    };
    #pragma pack(pop)

    class LLCLayer : public Layer
    {
    public:

        LLCLayer(uint8_t* data, size_t dataLen, Layer* prevLayer, Packet* packet) : Layer(data, dataLen, prevLayer, packet) { m_Protocol = LLC; }

        LLCLayer(uint8_t dsap, uint8_t ssap, uint8_t control);

        inline llc_header *getLlcHeader() const { return (llc_header*)m_Data; };

        // overridden methods

        void parseNextLayer();

        void computeCalculateFields() {}

        size_t getHeaderLen() const { return sizeof(llc_header); }

        std::string toString() const;

        OsiModelLayer getOsiModelLayer() const { return OsiModelDataLinkLayer; }

        static bool isDataValid(const uint8_t *data, size_t dataLen);
    };

} // namespace pcpp

#endif /* PACKETPP_LLC_LAYER */