arp.h

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#ifndef MAXOS_NET_ARP_H
#define MAXOS_NET_ARP_H
 
#include <cstdint>
 
#include <net/ipv4.h>
 
 
namespace MaxOS::net {
 
    typedef struct PACKED ARPMessage {
 
        uint16_t hardware_type;          
        uint16_t protocol;              
        uint8_t hardware_address_size;    
        uint8_t protocol_address_size;    
 
        uint16_t command;               
 
        uint64_t src_mac : 48;            
        uint32_t src_ip;                 
        uint64_t dst_mac : 48;            
        uint32_t dst_ip;                 
 
 
    } arp_message_t;
 
    class AddressResolutionProtocol : public EthernetFramePayloadHandler, public IPV4AddressResolver {
 
        private:
            common::Map<InternetProtocolAddress, drivers::ethernet::MediaAccessControlAddress> address_cache;
            InternetProtocolHandler* internet_protocol_handler;
            common::OutputStream* error_messages;
 
        public:
            AddressResolutionProtocol(EthernetFrameHandler* ethernet_frame_handler, InternetProtocolHandler* internet_protocol_handler, common::OutputStream* error_messages);
            ~AddressResolutionProtocol();
 
            bool handle_ethernetframe_payload(uint8_t* etherframe_payload, uint32_t size) final;
 
            void request_mac_address(InternetProtocolAddress address);
            drivers::ethernet::MediaAccessControlAddress resolve(InternetProtocolAddress address) final;
            void store(InternetProtocolAddress internet_protocol_address, drivers::ethernet::MediaAccessControlAddress media_access_control_address) final;
    };
 
}
 
 
#endif //MAXOS_NET_ARP_H