MplsLayer.h

Go to the documentation of this file.

#ifndef PACKETPP_MPLS_LAYER
#define PACKETPP_MPLS_LAYER
 
#include "Layer.h"
 
 
namespace pcpp
{
 
    class MplsLayer : public Layer
    {
    private:
 
        #pragma pack(push, 1)
        struct mpls_header
        {
            uint16_t    hiLabel;
            uint8_t     misc;
            uint8_t     ttl;
        };
        #pragma pack(pop)
 
        mpls_header* getMplsHeader() const { return (mpls_header*)m_Data; }
 
    public:
        MplsLayer(uint8_t* data, size_t dataLen, Layer* prevLayer, Packet* packet) : Layer(data, dataLen, prevLayer, packet) { m_Protocol = MPLS; }
 
        MplsLayer(uint32_t mplsLabel, uint8_t ttl, uint8_t expermentalUseValue, bool bottomOfStack);
 
        virtual ~MplsLayer() {}
 
        uint8_t getTTL() const { return getMplsHeader()->ttl; }
 
        void setTTL(uint8_t ttl) { getMplsHeader()->ttl = ttl; }
 
        bool isBottomOfStack() const;
 
        void setBottomOfStack(bool val);
 
        uint8_t getExperimentalUseValue() const;
 
        bool setExperimentalUseValue(uint8_t val);
 
        uint32_t getMplsLabel() const;
 
        bool setMplsLabel(uint32_t label);
 
        // implement abstract methods
 
        void parseNextLayer();
 
        size_t getHeaderLen() const { return sizeof(mpls_header); }
 
        void computeCalculateFields();
 
        std::string toString() const;
 
        OsiModelLayer getOsiModelLayer() const { return OsiModelNetworkLayer; }
    };
 
} // namespace pcpp
 
#endif /* PACKETPP_MPLS_LAYER */