class Gem::Resolv::DNS::Message::MessageDecoder

def get_rr
  name = self.get_name
  type, klass, ttl = self.get_unpack('nnN')
  typeclass = Resource.get_class(type, klass)
  res = self.get_length16 do
    begin
      typeclass.decode_rdata self
    rescue => e
      raise DecodeError, e.message, e.backtrace
    end
  end
  res.instance_variable_set :@ttl, ttl
  return name, ttl, res
end