ÿØÿàJFIFÿþ ÿÛC       ÿÛC ÿÀÿÄÿÄ"#QrÿÄÿÄ&1!A"2qQaáÿÚ ?Øy,æ/3JæݹÈ߲؋5êXw²±ÉyˆR”¾I0ó2—PI¾IÌÚiMö¯–þrìN&"KgX:Šíµ•nTJnLK„…@!‰-ý ùúmë;ºgµŒ&ó±hw’¯Õ@”Ü— 9ñ-ë.²1<yà‚¹ïQÐU„ہ?.’¦èûbß±©Ö«Âw*VŒ) `$‰bØԟ’ëXÖ-ËTÜíGÚ3ð«g Ÿ§¯—Jx„–’U/ÂÅv_s(Hÿ@TñJÑãõçn­‚!ÈgfbÓc­:él[ðQe 9ÀPLbÃãCµm[5¿ç'ªjglå‡Ûí_§Úõl-;"PkÞÞÁQâ¼_Ñ^¢SŸx?"¸¦ùY騐ÒOÈ q’`~~ÚtËU¹CڒêV  I1Áß_ÿÙ# frozen_string_literal: false =begin external service manager Copyright (c) 2000 Masatoshi SEKI =end require_relative 'drb' require 'monitor' module DRb class ExtServManager include DRbUndumped include MonitorMixin @@command = {} def self.command @@command end def self.command=(cmd) @@command = cmd end def initialize super() @cond = new_cond @servers = {} @waiting = [] @queue = Thread::Queue.new @thread = invoke_thread @uri = nil end attr_accessor :uri def service(name) synchronize do while true server = @servers[name] return server if server && server.alive? # server may be `false' invoke_service(name) @cond.wait end end end def regist(name, ro) synchronize do @servers[name] = ro @cond.signal end self end def unregist(name) synchronize do @servers.delete(name) end end private def invoke_thread Thread.new do while name = @queue.pop invoke_service_command(name, @@command[name]) end end end def invoke_service(name) @queue.push(name) end def invoke_service_command(name, command) raise "invalid command. name: #{name}" unless command synchronize do return if @servers.include?(name) @servers[name] = false end uri = @uri || DRb.uri if command.respond_to? :to_ary command = command.to_ary + [uri, name] pid = spawn(*command) else pid = spawn("#{command} #{uri} #{name}") end th = Process.detach(pid) th[:drb_service] = name th end end end