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lib/net/dns/rr/mx.rb
72 строки
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HD Moore
Mark all libraries as defaulting to 8-bit strings
29 июн 2012, 09:18
29 июн 2012, 09:18
d656e31
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# -*- coding: binary -*- ## # # Net::DNS::RR::MX # # $Id: MX.rb,v 1.8 2006/07/28 07:33:36 bluemonk Exp $ # ## module Net module DNS class RR #------------------------------------------------------------ # RR type MX #------------------------------------------------------------ class MX < RR attr_reader :preference, :exchange private def check_mx(str) if str.strip =~ /^(\d+)\s+(\S+)$/ return $1.to_i,$2 else raise RRArgumentError, "MX section not valid" end end def build_pack @mx_pack = [@preference].pack("n") + pack_name(@exchange) @rdlength = @mx_pack.size end def set_type @type = Net::DNS::RR::Types.new("MX") end def get_data @mx_pack end def get_inspect "#@preference #@exchange" end def subclass_new_from_hash(args) if args.has_key? :preference and args.has_key? :exchange @preference = args[0][:preference].to_i @exchange = args[0][:exchange] else raise RRArgumentError, ":preference and :exchange fields are mandatory but missing" end end def subclass_new_from_string(str) @preference,@exchange = check_mx(str) end def subclass_new_from_binary(data,offset) @preference = data.unpack("@#{offset} n")[0] offset += 2 @exchange,offset = dn_expand(data,offset) return offset end end # class MX end # class RR end # module DNS end # module Net