79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
#ifndef PACKETPP_PAYLOAD_LAYER
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#define PACKETPP_PAYLOAD_LAYER
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#include "Layer.h"
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/// @file
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/**
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* \namespace pcpp
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* \brief The main namespace for the PcapPlusPlus lib
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*/
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namespace pcpp
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{
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/**
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* @class PayloadLayer
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* Represents a generic or unknown layer or a packet payload
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*/
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class PayloadLayer : public Layer
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{
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public:
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/** A constructor that creates the layer from an existing packet raw data
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* @param[in] data A pointer to the raw data
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* @param[in] dataLen Size of the data in bytes
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* @param[in] prevLayer A pointer to the previous layer
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* @param[in] packet A pointer to the Packet instance where layer will be stored in
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*/
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PayloadLayer(uint8_t* data, size_t dataLen, Layer* prevLayer, Packet* packet) : Layer(data, dataLen, prevLayer, packet) { m_Protocol = GenericPayload; }
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/**
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* A constructor that allocates a new payload
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* @param[in] data A raw buffer that will be used as a payload. This data will be copied to the layer
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* @param[in] dataLen The raw buffer length
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* @param[in] dummy A dummy parameter to separate the constructor signature from the other constructor. Its value isn't used anywhere
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* @todo dummy is probably not necessary anymore. Remove it
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*/
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PayloadLayer(const uint8_t* data, size_t dataLen, bool dummy);
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~PayloadLayer() {}
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/**
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* Get a pointer to the payload data
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* @return A pointer to the payload data
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*/
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uint8_t* getPayload() const { return m_Data; }
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/**
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* Get the payload data length
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* @return The payload data length in bytes
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*/
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size_t getPayloadLen() const { return m_DataLen; }
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// implement abstract methods
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/**
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* Does nothing for this layer (PayloadLayer is always last)
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*/
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void parseNextLayer() {}
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/**
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* @return Payload data length in bytes
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*/
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size_t getHeaderLen() const { return m_DataLen; }
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/**
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* Does nothing for this layer
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*/
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void computeCalculateFields() {}
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std::string toString() const;
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OsiModelLayer getOsiModelLayer() const { return OsiModelApplicationLayer; }
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};
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} // namespace pcpp
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#endif /* PACKETPP_PAYLOAD_LAYER */
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