Class: DDNS

Inherits:
RExec::Daemon::Base
  • Object
show all
Defined in:
lib/ddns-server.rb

Defined Under Namespace

Classes: Attributes

Class Method Summary collapse

Class Method Details

.run ⇒ Object

Attributes



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# File 'lib/ddns-server.rb', line 71

def self.run
  $DDNS_ATTR.gossip.start

  RubyDNS.run_server(:listen => [[:udp, $DDNS_ATTR.address, $DDNS_ATTR.port]]) do
    on(:start) do
      $stdout.sync = true
      $stderr.sync = true

      logger.level = $DDNS_ATTR.loglevel

      if $DDNS_ATTR.daemon and $DDNS_ATTR.sock
        $RDDNS_ATTR = DRb.start_service("drbunix:#{$DDNS_ATTR.sock}", $DDNS_ATTR)
      end
    end

    match($DDNS_ATTR.method(:lookup_a_record).to_proc, :A) do |transaction|
      address, timestamp, data = $DDNS_ATTR.gossip.select {|a, t, d| d == transaction.name }.sort_by{ rand }.first
      transaction.respond!(address, :ttl => $DDNS_ATTR.ttl)
    end

    match($DDNS_ATTR.method(:lookup_ptr_record).to_proc, :PTR) do |transaction|
      name = transaction.name.sub(/\.in-addr\.arpa\Z/, '').split('.').reverse.join('.')
      address, timestamp, data = $DDNS_ATTR.gossip.find {|a, t, d| a == name }
      transaction.respond!(Resolv::DNS::Name.create("#{data}."), :ttl => $DDNS_ATTR.ttl)
    end

    if $DDNS_ATTR.resolver
      otherwise do |transaction|
        transaction.passthrough!($DDNS_ATTR.resolver)
      end
    end
  end
end

.shutdown ⇒ Object 



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# File 'lib/ddns-server.rb', line 105

def self.shutdown
  $DDNS_ATTR.gossip.stop

  if $DDNS_ATTR.daemon and $DDNS_ATTR.sock
    FileUtils.rm_f($DDNS_ATTR.sock)
  end
end