Method Protocols.DNS.server_base()->reply_query()
- Method reply_query
protected mapping reply_query(mapping query, mapping udp_data, function(mapping:void) cb)
- Description
Reply to a query (stub).
- Parameter query
Parsed query.
- Parameter udp_data
Raw UDP data. If the server operates in TCP mode (tcp_server), it will contain an additional tcp_con entry. In that case,
udp_data->tcp_con->con
will contain the TCP connection the request was received on as Stdio.File object.- Parameter cb
Callback you can call with the result instead of returning it. In that case, return
0
(zero).Overload this function to implement the proper lookup.
- Note
To indicate the default failure cb must be called with an argument of
0
(zero), and0
(zero) be returned.- Returns
Returns
0
(zero) when the cb callback will be used, or a result mapping if not:"rcode" : int 0 (or omit) for success, otherwise one of the Protocols.DNS.* constants
"an" : array(mapping(string:string|int))|void Answer section:
Array mapping(string:string|int) entry "name" : string|array(string) "type" : int "cl" : int
"qd" : array|void Question section, same format as an; omit to return the original question
"ns" : array|void Authority section (usually NS records), same format as an
"ar" : array|void Additional section, same format as an
"aa" : int Set to 1 to include the Authoritative Answer bit in the response
"tc" : int Set to 1 to include the TrunCated bit in the response
"rd" : int Set to 1 to include the Recursion Desired bit in the response
"ra" : int Set to 1 to include the Recursion Available bit in the response
"cd" : int Set to 1 to include the Checking Disabled bit in the response
"ad" : int Set to 1 to include the Authenticated Data bit in the response