PcapDevice.h

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#ifndef PCAPPP_PCAP_DEVICE
#define PCAPPP_PCAP_DEVICE

#include "Device.h"

// forward declaration for the pcap descriptor defined in pcap.h
struct pcap;
typedef pcap pcap_t;
struct pcap_pkthdr;


namespace pcpp
{
    //Forward Declaration - required for IPcapDevice::matchPacketWithFilter
    class GeneralFilter;

    class IPcapDevice : public IDevice, public IFilterableDevice
    {
    protected:
        pcap_t* m_PcapDescriptor;

        // c'tor should not be public
        IPcapDevice() : IDevice() { m_PcapDescriptor = NULL; }

    public:

        struct PcapStats
        {
            uint64_t packetsRecv;
            uint64_t packetsDrop;
            uint64_t packetsDropByInterface;
        };


        virtual ~IPcapDevice();

        virtual void getStatistics(PcapStats& stats) const = 0;

        static std::string getPcapLibVersionInfo();

        static bool matchPacketWithFilter(GeneralFilter& filter, RawPacket* rawPacket);


        // implement abstract methods

        using IFilterableDevice::setFilter;

        virtual bool setFilter(std::string filterAsString);

        bool clearFilter();
    };

} // namespace pcpp

#endif // PCAPPP_PCAP_DEVICE