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Contents
# encoding: utf-8
#
# This file is part of the devdnsd gem. Copyright (C) 2013 and above Shogun <shogun@cowtech.it>.
# Licensed under the MIT license, which can be found at http://www.opensource.org/licenses/mit-license.php.
#
# Resolvs an hostname to a nameserver.
#
# @param [String] The hostname to resolv.
# @param [String] The type of query to issue.
# @param [String] The nameserver to connect to.
# @param [Fixnum] The port to connect to.
# @param [Logger] A logger for the resolver.
# @return [Array|NilClass] Return an array of pair of addresses and types. `nil` is returned if nothing is found.
def devdnsd_resolv(address = "match.dev", type = "ANY", nameserver = "127.0.0.1", port = 7771, logger = nil)
resolver = Fiber.current
rv = []
port = port.to_i
logger = Bovem::Logger.new("/dev/null", Bovem::Logger::DEBUG) if !logger
logger.info(::Bovem::Console.replace_markers("Resolving address {mark=bright}#{address}{/mark} with type {mark=bright}#{type}{/mark} at nameserver {mark=bright}#{nameserver}{/mark}:{mark=bright}#{port.to_s}{/mark} ..."))
RubyDNS::Resolver.new([[:udp, nameserver, port], [:tcp, nameserver, port]]).query(address, "Resolv::DNS::Resource::IN::#{type}".constantize) do |response|
begin
if response.is_a?(RubyDNS::Message) then
response.answer.each do |answer|
type = answer[2].class.to_s.split("::")[-1].to_sym
name = case type
when :MX then answer[2].exchange.to_s.gsub(/\.$/, "")
when :CNAME then answer[2].name.to_s.gsub(/\.$/, "")
when :NS then answer[2].name.to_s.gsub(/\.$/, "")
when :PTR then answer[2].name.to_s.gsub(/\.$/, "")
else answer[2].address.to_s
end
rv << [name, type]
end
end
rescue => e
logger.error("[#{e.class}] #{e.to_s}")
end
resolver.resume
end
Fiber.yield
rv.uniq!
logger.info("Resolving ended with result: #{rv.inspect}")
rv.length == 1 ? rv[0] : rv
end
Version data entries
11 entries across 11 versions & 1 rubygems