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#--
#Copyright 2007 Nominet UK
#
#Licensed under the Apache License, Version 2.0 (the "License");
#you may not use this file except in compliance with the License.
#You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
#Unless required by applicable law or agreed to in writing, software
#distributed under the License is distributed on an "AS IS" BASIS,
#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#See the License for the specific language governing permissions and
#limitations under the License.
#++
module Dnsruby
class RR
#Class for DNS Mail Exchanger (MX) resource records.
#RFC 1035 Section 3.3.9
class MX < RR
ClassValue = nil #:nodoc: all
TypeValue= Types::MX #:nodoc: all
#The preference for this mail exchange.
attr_accessor :preference
#The name of this mail exchange.
attr_accessor :exchange
def from_hash(hash) #:nodoc: all
@preference = hash[:preference]
@exchange = Name.create(hash[:exchange])
end
def from_data(data) #:nodoc: all
@preference, @exchange = data
end
def from_string(input) #:nodoc: all
if (input.length > 0)
names = input.split(" ")
@preference = names[0].to_i
@exchange = Name.create(names[1])
end
end
def rdata_to_string #:nodoc: all
if (@preference!=nil)
return "#{@preference} #{@exchange.to_s(true)}"
else
return ""
end
end
def encode_rdata(msg, canonical=false) #:nodoc: all
msg.put_pack('n', @preference, canonical)
msg.put_name(@exchange, canonical)
end
def self.decode_rdata(msg) #:nodoc: all
preference, = msg.get_unpack('n')
exchange = msg.get_name
return self.new([preference, exchange])
end
end
end
end
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