package Ġcn . je ff . game . c 3 s 1 5 . net Ċ Ċ import Ġorg . fuse source . h awt buf . UTF 8 Buffer Ċ import Ġorg . fuse source . mqtt . client . Blocking Connection Ċ import Ġorg . fuse source . mqtt . client . MQTT Ċ import Ġorg . fuse source . mqtt . client . Qo S Ċ import Ġorg . fuse source . mqtt . client . Topic Ċ import Ġjava . util . concurrent . Linked BlockingQueue Ċ import Ġkotlin . concurrent . thread Ċ import Ġkotlin . random . Random Ċ Ċ object ĠM qtt Daemon Ġ{ ĊĊ ĉ // Ġ æľįåĬ¡åĻ¨ åľ°åĿĢ Ċ // ĉ private Ġconst Ġval ĠSERVER _ ADDR Ġ= Ġ" broker . mq t td ashboard . com " Ċ // ĉ private Ġconst Ġval ĠSERVER _ ADDR Ġ= Ġ" test . mos quit to . org " Ċ // ĉ private Ġconst Ġval ĠSERVER _ ADDR Ġ= Ġ" broker . h iv emq . com " Ċ ĉ private Ġconst Ġval ĠSERVER _ ADDR Ġ= Ġ" broker . em qx . io " ĊĊ ĉ // Ġ ä¸»é¢ĺ Ċ ĉ private Ġconst Ġval ĠTOP IC Ġ= Ġ" cn . je ff . game . C 3 S 1 5 " ĊĊ ĉ // ĠQ OS Ċ ĉ private Ġval Ġusing Qo S Ġ= ĠQ oS . AT _ MO ST _ ON CE Ċ ĉ // Ġprivate Ġval Ġusing Qo S Ġ= ĠQ oS . EX ACT LY _ ON CE ĊĊ ĉ // ĠMQTT å¯¹è±¡ Ċ ĉ private Ġval Ġmqtt Ġ= ĠMQTT (). apply Ġ{ Ċĉ ĉ clientId Ġ= ĠUTF 8 Buffer ( Ċĉĉ ĉ " GU ${ Random . nextInt ( 9 9 9 9 9 9 9 9 )} ". toByteArray () Ċĉ ĉ ) Ċ ĉ } ĊĊ ĉ /** Ġ ç»Ļ å¤ĸ éĿ¢ è¯»åıĸ çļĦ ĠclientId Ġ*/ Ċ ĉ val ĠclientId Ġget () Ġ= Ġmqtt . clientId . toString () ĊĊ ĉ // Ġ åıĳéĢģ åĴĮ æİ¥æĶ¶ çº¿ç¨ĭ Ċ ĉ private Ġvar Ġreceiver Thread : ĠThread ? Ġ= Ġnull Ċ ĉ private Ġvar Ġsender Thread : ĠThread ? Ġ= Ġnull ĊĊ ĉ // Ġ åıĳéĢģ ç¼ĵ åĨ² åĮº Ċ ĉ private Ġval Ġsending Queue Ġ= ĠLinked BlockingQueue < String >() ĊĊ ĉ fun Ġstart () Ġ{ Ċĉ ĉ thread ( name Ġ= Ġ" MQTT _ daemon ") Ġ{ Ċĉĉ ĉ println (" version =${ mqtt . version }") Ċĉĉ ĉ println (" clientId =${ mqtt . clientId }") Ċĉĉ ĉ println (" keep Alive =${ mqtt . keep Alive }") Ċĉĉ ĉ println (" reconnect Delay =${ mqtt . reconnect Delay }") Ċĉĉ ĉ println (" reconnect Delay Max =${ mqtt . reconnect Delay Max }") Ċĉĉ ĉ mqtt . set Host ( SERVER _ ADDR , Ġ 1 8 8 3 ) Ċĉĉ ĉ val Ġconn Ġ= Ġmqtt . blocking Connection () Ċĉĉ ĉ conn . connect () Ċĉĉ ĉ Thread . sleep ( 1 0 0 0 ) Ċĉĉ ĉ println (" clientId =${ mqtt . clientId }") Ċĉĉ ĉ println ( conn . isConnected ) ĊĊĉĉ ĉ receiver Thread Ġ= Ġthread ( name Ġ= Ġ" MQTT _ receiver ") Ġ{ Ċĉĉĉ ĉ try Ġ{ Ċĉĉĉĉ ĉ receiver ( conn ) Ċĉĉĉ ĉ } Ġcatch Ġ( e : ĠInterruptedException ) Ġ{ Ċĉĉĉĉ ĉ e . printStackTrace () Ċĉĉĉ ĉ } Ċĉĉ ĉ } Ċĉĉ ĉ sender Thread Ġ= Ġthread ( name Ġ= Ġ" MQTT _ sender ") Ġ{ Ċĉĉĉ ĉ try Ġ{ Ċĉĉĉĉ ĉ sender ( conn ) Ċĉĉĉ ĉ } Ġcatch Ġ( e : ĠInterruptedException ) Ġ{ Ċĉĉĉĉ ĉ e . printStackTrace () Ċĉĉĉ ĉ } Ċĉĉ ĉ } Ċĉ ĉ } Ċ ĉ } ĊĊ ĉ fun Ġstop () Ġ{ Ċĉ ĉ receiver Thread ?. interrupt () Ċĉ ĉ sender Thread ?. interrupt () Ċ ĉ } ĊĊ ĉ private Ġfun Ġreceiver ( conn : ĠBlock ing Connection ) Ġ{ Ċĉ ĉ conn . subscribe ( array Of ( Topic ( TOPIC , Ġusing Qo S ))) Ċĉ ĉ while Ġ(! Thread . inter rupted ()) Ġ{ Ċĉĉ ĉ val Ġmsg Ġ= Ġconn . receive () Ċĉĉ ĉ val Ġtxt Ġ= Ġmsg . payload . toString ( Charsets . UTF _ 8 ) Ċĉĉ ĉ Network Game Processor . on Mqtt Received ( txt ) Ċĉĉ ĉ msg . ack () Ċĉ ĉ } Ċ ĉ } ĊĊ ĉ private Ġfun Ġsender ( conn : ĠBlock ing Connection ) Ġ{ Ċĉ ĉ while Ġ(! Thread . inter rupted ()) Ġ{ Ċĉĉ ĉ // Ġval Ġtxt Ġ= Ġ"${ mqtt . clientId }: Ġ${ sending Queue . take () }" Ċĉĉ ĉ val Ġtxt Ġ= Ġsending Queue . take () Ċĉĉ ĉ conn . publish ( TOPIC , Ġtxt . toByteArray ( Charsets . UTF _ 8 ), Ġusing Qo S , Ġfalse ) Ċĉ ĉ } Ċ ĉ } ĊĊ ĉ fun Ġsend Msg ( txt : ĠString ) Ġ{ Ċĉ ĉ sending Queue . offer ( txt ) Ċ ĉ } Ċ Ċ } Ċ