/// <summary> /// Constructs an SOA record by reading bytes from a return message /// </summary> /// <param name="pointer">A logical pointer to the bytes holding the record</param> internal SOARecord(Pointer pointer) { // read all fields RFC1035 3.3.13 _PrimaryNameServer = pointer.ReadDomain(); _ResponsibleMailAddress = pointer.ReadDomain(); _Serial = pointer.ReadInt(); _Refresh = pointer.ReadInt(); _Retry = pointer.ReadInt(); _Expire = pointer.ReadInt(); _DefaultTTL = pointer.ReadInt(); }
/// <summary> /// Construct a resource record from a pointer to a byte array /// </summary> /// <param name="pointer">the position in the byte array of the record</param> internal ResourceRecord(Pointer pointer) { // extract the domain, question type, question class and Ttl _Domain = pointer.ReadDomain(); _DnsType = (DnsType)pointer.ReadShort(); _DnsClass = (DnsClass)pointer.ReadShort(); _TTL = pointer.ReadInt(); // the next short is the record length, we only use it for unrecognised record types int recordLength = pointer.ReadShort(); // and create the appropriate RDATA record based on the dnsType switch (_DnsType) { case DnsType.NS: _Record = new NSRecord(pointer); break; case DnsType.MX: _Record = new MXRecord(pointer); break; case DnsType.ANAME: _Record = new ANameRecord(pointer); break; case DnsType.SOA: _Record = new SOARecord(pointer); break; default: // move the pointer over this unrecognised record pointer += recordLength; break; } }