本篇文章给大家带来的内容是关于基于laravel框架下使用守护进程supervisor实现定时任务（毫秒），有一定的参考价值，有需要的朋友可以参考一下，希望对你有所帮助。
公司需要实现X分钟内每隔Y秒轮训某个接口，Linux自带的crontab貌似只精确到分钟，虽然可以到精确到秒，但是并不满足需求。
选型
公司项目都是 基于 Laravel 框架，所以这个没得选。守护进程用的 supervisor，看看这个家伙能不能满足我们的需求
代码
namespace AppConsoleCommands;use IlluminateConsoleCommand;use Cache;use CarbonCarbon;class TaskCommand extends Command { /** * The name and signature of the console command. * * @var string */ protected $signature = 'ue:task {--id= : 当前编号} {--max= : 最大线程} {--sleep= : 休眠多少毫秒} {--debug= : 是否调试模式} '; /** * The console command description. * * @var string */ protected $description = 'Command description'; /** * Create a new command instance. * * @return void */ public function __construct() { parent::__construct(); } /** * Execute the console command. * * @return mixed */ public function handle() { $this->id = $this->option('id') ?? '00'; $this->max = $this->option('max') ?? 32; $this->sleep = $this->option('sleep') ?? 700; $this->debug = $this->option('debug') ?? false; if ($this->id > $this->max) { return true; } while (true) { $this->doRun(); } } /** * * @param int $taskId * @return boolean */ protected function doRun() { $lock = sprintf('task:%03d:%s', $this->id, time()); $data = [ 'id' => $this->id, 'max' => $this->max, 'time' => (new Carbon)->format('Y-m-d H:i:s.u'), 'key' => $lock, ]; try { $result = cache()->get($lock); if ($result) { $data['message'] = 'Task Has been executed.'; $this->wait($this->sleep); return true; } cache()->put($lock, true, 2); $data['message'] = 'Task Executed.'; $this->logger($data); $this->wait($this->sleep); } catch (Exception $ex) { $data['message'] = $ex->getMessage(); cache()->put($data, true, 2); $this->wait($this->sleep); } } /** * 毫秒 * @param string $time */ protected function wait($time) { $wait = $time * 1000; usleep($wait); } protected function logger($message) { if($this->debug){ $time = (new Carbon)->format('Y-m-d H:i:s.u'); $this->line(array_get($message, 'message') .' - '. $time); } logger()->stack(['task'])->debug(null, $message); }}
进程守护
[program:task-worker]process_name=%(program_name)s_%(process_num)02dcommand=/usr/bin/php /home/wwwroot/demo/artisan ue:task --id=%(process_num)02d --max=8autostart=trueautorestart=trueuser=wwwnumprocs=8redirect_stderr=truestdout_logfile=/home/wwwroot/demo/storage/logs/worker.log
上面是supervisor的配置
效果图
Task Executed. - 2018-08-14 22:17:18.985094Task Executed. - 2018-08-14 22:17:19.336115Task Executed. - 2018-08-14 22:17:20.038236Task Executed. - 2018-08-14 22:17:21.090470Task Executed. - 2018-08-14 22:17:22.142716Task Executed. - 2018-08-14 22:17:23.195126Task Executed. - 2018-08-14 22:17:24.247698Task Executed. - 2018-08-14 22:17:25.300066Task Executed. - 2018-08-14 22:17:26.352638Task Executed. - 2018-08-14 22:17:27.054124Task Executed. - 2018-08-14 22:17:28.106420Task Executed. - 2018-08-14 22:17:29.158906Task Executed. - 2018-08-14 22:17:30.211438Task Executed. - 2018-08-14 22:17:31.263542Task Executed. - 2018-08-14 22:17:32.315923Task Executed. - 2018-08-14 22:17:33.017096Task Executed. - 2018-08-14 22:17:34.068963Task Executed. - 2018-08-14 22:17:35.121267Task Executed. - 2018-08-14 22:17:36.173600Task Executed. - 2018-08-14 22:17:37.226165
输出日志
[2018-08-14 22:12:24] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:24.389224","key":"task:001:1534255944","message":"Task Executed."} [2018-08-14 22:12:25] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:25.390158","key":"task:001:1534255945","message":"Task Executed."} [2018-08-14 22:12:26] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:26.391594","key":"task:001:1534255946","message":"Task Executed."} [2018-08-14 22:12:27] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:27.393196","key":"task:001:1534255947","message":"Task Executed."} [2018-08-14 22:12:28] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:28.395124","key":"task:001:1534255948","message":"Task Executed."} [2018-08-14 22:12:29] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:29.396796","key":"task:001:1534255949","message":"Task Executed."} [2018-08-14 22:12:30] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:30.398666","key":"task:001:1534255950","message":"Task Executed."} [2018-08-14 22:12:31] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:31.400561","key":"task:001:1534255951","message":"Task Executed."} [2018-08-14 22:12:32] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:32.402462","key":"task:001:1534255952","message":"Task Executed."} [2018-08-14 22:12:33] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:33.404092","key":"task:001:1534255953","message":"Task Executed."} [2018-08-14 22:12:34] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:34.405550","key":"task:001:1534255954","message":"Task Executed."} [2018-08-14 22:12:35] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:35.407197","key":"task:001:1534255955","message":"Task Executed."} [2018-08-14 22:12:36] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:36.408920","key":"task:001:1534255956","message":"Task Executed."} [2018-08-14 22:12:37] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:37.410841","key":"task:001:1534255957","message":"Task Executed."} [2018-08-14 22:12:38] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:38.412764","key":"task:001:1534255958","message":"Task Executed."} [2018-08-14 22:12:39] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:39.414518","key":"task:001:1534255959","message":"Task Executed."} [2018-08-14 22:12:40] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:40.416229","key":"task:001:1534255960","message":"Task Executed."} [2018-08-14 22:12:41] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:41.418001","key":"task:001:1534255961","message":"Task Executed."} [2018-08-14 22:12:42] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:42.419476","key":"task:001:1534255962","message":"Task Executed."} [2018-08-14 22:12:43] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:43.421388","key":"task:001:1534255963","message":"Task Executed."} [2018-08-14 22:12:44] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:44.423164","key":"task:001:1534255964","message":"Task Executed."} [2018-08-14 22:12:45] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:45.424798","key":"task:001:1534255965","message":"Task Executed."} [2018-08-14 22:12:46] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:46.426667","key":"task:001:1534255966","message":"Task Executed."} [2018-08-14 22:12:47] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:47.428553","key":"task:001:1534255967","message":"Task Executed."} [2018-08-14 22:12:48] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:48.430427","key":"task:001:1534255968","message":"Task Executed."} [2018-08-14 22:12:49] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:49.432118","key":"task:001:1534255969","message":"Task Executed."} [2018-08-14 22:12:50] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:50.433893","key":"task:001:1534255970","message":"Task Executed."} [2018-08-14 22:12:51] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:51.435711","key":"task:001:1534255971","message":"Task Executed."} [2018-08-14 22:12:52] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:52.437015","key":"task:001:1534255972","message":"Task Executed."} [2018-08-14 22:12:53] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:53.438352","key":"task:001:1534255973","message":"Task Executed."} [2018-08-14 22:12:54] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:54.439989","key":"task:001:1534255974","message":"Task Executed."} [2018-08-14 22:12:55] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:55.441580","key":"task:001:1534255975","message":"Task Executed."} [2018-08-14 22:12:56] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:56.443116","key":"task:001:1534255976","message":"Task Executed."} [2018-08-14 22:12:57] local.DEBUG: {"id":"1","max":"32","time":"2018-08-14 22:12:57.445006","key":"task:001:1534255977","message":"Task Executed."}
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