PacketUtils.h

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#ifndef PACKETPP_PACKET_UTILS
#define PACKETPP_PACKET_UTILS

#include "Packet.h"
#include "IpAddress.h"


namespace pcpp
{
    template<typename T>
    struct ScalarBuffer
    {
        T* buffer;

        size_t len;
    };

    uint16_t computeChecksum(ScalarBuffer<uint16_t> vec[], size_t vecSize);

    uint16_t computePseudoHdrChecksum(uint8_t *dataPtr, size_t dataLen,
                                      IPAddress::AddressType ipAddrType, uint8_t protocolType,
                                      IPAddress srcIPAddress, IPAddress dstIPAddress);

    uint32_t fnvHash(ScalarBuffer<uint8_t> vec[], size_t vecSize);

    uint32_t fnvHash(uint8_t* buffer, size_t bufSize);

    uint32_t hash5Tuple(Packet* packet, bool const& directionUnique = false);

    uint32_t hash2Tuple(Packet* packet);

} // namespace pcpp

#endif /* PACKETPP_PACKET_UTILS */