A Dnsruby::Question object represents a record in the question section of a DNS packet.
RFC 1035 Section 4.1.2
| Class | Dnsruby::Question |
| In: |
lib/Dnsruby/message.rb
|
| Parent: | Object |
A Dnsruby::Question object represents a record in the question section of a DNS packet.
RFC 1035 Section 4.1.2
| qname | -> | zname |
| For Updates, the qname field is redefined to zname (RFC2136, section 2.3) | ||
| qtype | -> | ztype |
| For Updates, the qtype field is redefined to ztype (RFC2136, section 2.3) | ||
| qclass | -> | zclass |
| For Updates, the qclass field is redefined to zclass (RFC2136, section 2.3) | ||
| qtype | -> | type |
Creates a question object from the domain, type, and class passed as arguments.
If a String is passed in, a Name, IPv4 or IPv6 object is created.
If an IPv4 or IPv6 object is used then the type is set to PTR.
# File lib/Dnsruby/message.rb, line 1112
1112: def initialize(*args)
1113: @qtype = Types::A
1114: @qclass = Classes::IN
1115: if (args.length > 0)
1116: if (args.length > 1)
1117: @qtype = Types.new(args[1])
1118: if (args.length > 2)
1119: @qclass = Classes.new(args[2])
1120: end
1121: end
1122: else
1123: raise ArgumentError.new("Must pass at least a name!")
1124: end
1125: # If the name looks like an IP address then do an appropriate
1126: # PTR query.
1127: @qname=args[0]
1128: case @qname.to_s
1129: when IPv4::Regex
1130: @qname = IPv4.create(@qname).to_name
1131: @qtype = Types.PTR
1132: when IPv6::Regex
1133: @qname = IPv6.create(@qname).to_name
1134: @qtype = Types.PTR
1135: when Name
1136: when IPv6
1137: @qtype = Types.PTR
1138: when IPv4
1139: @qtype = Types.PTR
1140: else
1141: @qname = Name.create(@qname)
1142: end
1143: end
# File lib/Dnsruby/message.rb, line 1149
1149: def qclass=(qclass)
1150: @qclass = Classes.new(qclass)
1151: end
# File lib/Dnsruby/message.rb, line 1153
1153: def qname=(qname)
1154: case qname
1155: when IPv4::Regex
1156: @qname = IPv4.create(qname).to_name
1157: @qtype = Types.PTR
1158: when IPv6::Regex
1159: @qname = IPv6.create(qname).to_name
1160: @qtype = Types.PTR
1161: when Name
1162: when IPv6
1163: @qtype = Types.PTR
1164: when IPv4
1165: @qtype = Types.PTR
1166: else
1167: @qname = Name.create(qname)
1168: end
1169: end