CotpLayer.h

#ifndef PCAPPLUSPLUS_COTPLAYER_H
#define PCAPPLUSPLUS_COTPLAYER_H

#include "EthLayer.h"
#include "Layer.h"

namespace pcpp
{

#pragma pack(push, 1)
    typedef struct
    {
        uint8_t length;
        uint8_t pduType ;
        uint8_t tpduNumber;
    } cotphdr;
#pragma pack(pop)

    class CotpLayer : public Layer
    {
      public:
        CotpLayer(uint8_t *data, size_t dataLen, Layer *prevLayer, Packet *packet)
            : Layer(data, dataLen, prevLayer, packet)
        {
            m_Protocol = COTP;
        }

        explicit CotpLayer(uint8_t tpduNumber);

        virtual ~CotpLayer() {}

        uint8_t getLength() const;

        uint8_t getPduType() const;

        uint8_t getTpduNumber() const;

        size_t getHeaderLen() const override { return sizeof(cotphdr); }

        void setLength(uint8_t length) const;

        void setPduType(uint8_t pduType) const;

        void setTpduNumber(uint8_t tpduNumber) const;

        void computeCalculateFields() override {}

        void parseNextLayer() override;

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

        std::string toString() const override;

        OsiModelLayer getOsiModelLayer() const override { return OsiModelTransportLayer; }

      private:
        cotphdr *getCotpHeader() const { return (cotphdr *)m_Data; }
    };

} // namespace pcpp

#endif // PCAPPLUSPLUS_COTPLAYER_H