void EthernetFrame::macdata2Arp(ARP &a)
{
WORD hardware_type = 0;
WORD protocol_type = 0;
BYTE hardware_address_length = 0;
BYTE protocol_address_length = 0;
WORD operation_code = 0;
BYTE source_hardware_address[6] = {0};
DWORD source_protocol_address = 0;
BYTE target_hardware_address[6] = {0};
DWORD target_protocol_address = 0;
memcpy(&hardware_type, MACDATA, 2);
memcpy(&protocol_type, MACDATA+2, 2);
memcpy(&hardware_address_length, MACDATA+4, 1);
memcpy(&protocol_address_length, MACDATA+5, 1);
memcpy(&operation_code, MACDATA+6, 2);
memcpy(source_hardware_address, MACDATA+8, 6);
memcpy(&source_protocol_address, MACDATA+14, 4);
memcpy(target_hardware_address, MACDATA+18, 6);
memcpy(&target_protocol_address, MACDATA+24, 4);
a.setHardwareType(hardware_type);
a.setProtocolType(protocol_type);
a.setHardwareAddressLength(hardware_address_length);
a.setProtocolAddressLength(protocol_address_length);
a.setOperationCode(operation_code);
a.setSourceHardwareAddress(source_hardware_address);
a.setSourceProtocolAddress(source_protocol_address);
a.setTargetHardwareAddress(target_hardware_address);
a.setTargetProtocolAddress(target_protocol_address);
}
