RawSocketDevice.h

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#pragma once
 
 
#include "IpAddress.h"
#include "Device.h"
 
namespace pcpp
{
    class RawSocketDevice : public IDevice
    {
    public:
        enum RecvPacketResult
        {
            RecvSuccess = 0,
            RecvTimeout = 1,
            RecvWouldBlock = 2,
            RecvError = 3
        };
 
        /*
         * A c'tor for this class. This c'tor doesn't create the raw socket, but rather initializes internal structures.
         * The actual raw socket creation is done in the open() method. Each raw socket is bound to a network interface
         * which means packets will be received and sent from only from this network interface only
         * @param[in] interfaceIP The network interface IP to bind the raw socket to. It can be either an IPv4 or IPv6
         * address (both are supported in raw sockets)
         */
        explicit RawSocketDevice(const IPAddress& interfaceIP);
 
        ~RawSocketDevice();
 
        RecvPacketResult receivePacket(RawPacket& rawPacket, bool blocking = true, double timeout = -1);
 
        int receivePackets(RawPacketVector& packetVec, double timeout, int& failedRecv);
 
        bool sendPacket(const RawPacket* rawPacket);
 
        int sendPackets(const RawPacketVector& packetVec);
 
        // overridden methods
 
        bool open() override;
 
        void close() override;
 
    private:
        enum SocketFamily
        {
            Ethernet = 0,
            IPv4 = 1,
            IPv6 = 2
        };
 
        SocketFamily m_SockFamily;
        void* m_Socket;
        IPAddress m_InterfaceIP;
 
        RecvPacketResult getError(int& errorCode) const;
    };
}  // namespace pcpp