這篇文章帶給大家的內容是關於基於Laravel框架下使用守護程序supervisor實現定時任務（毫秒），有一定的參考價值，有需要的朋友可以參考一下，希望對你有所幫助。
公司需要實現X分鐘內每隔Y秒輪訓某個接口，Linux自帶的crontab貌似只精確到分鐘，雖然可以到精確到秒，但是並不滿足需求。
選型
公司專案都是 基於 Laravel 框架，所以這個沒得選。守護程式用的supervisor，看看這個傢伙能不能滿足我們的需求
程式碼
namespace App\Console\Commands;
use Illuminate\Console\Command;
use Cache;
use Carbon\Carbon;
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);
}
}
程式守護
[program:task-worker] process_name=%(program_name)s_%(process_num)02d command=/usr/bin/php /home/wwwroot/demo/artisan ue:task --id=%(process_num)02d --max=8 autostart=true autorestart=true user=www numprocs=8 redirect_stderr=true stdout_logfile=/home/wwwroot/demo/storage/logs/worker.log
上面是supervisor的配置
效果圖
Task Executed. - 2018-08-14 22:17:18.985094 Task Executed. - 2018-08-14 22:17:19.336115 Task Executed. - 2018-08-14 22:17:20.038236 Task Executed. - 2018-08-14 22:17:21.090470 Task Executed. - 2018-08-14 22:17:22.142716 Task Executed. - 2018-08-14 22:17:23.195126 Task Executed. - 2018-08-14 22:17:24.247698 Task Executed. - 2018-08-14 22:17:25.300066 Task Executed. - 2018-08-14 22:17:26.352638 Task Executed. - 2018-08-14 22:17:27.054124 Task Executed. - 2018-08-14 22:17:28.106420 Task Executed. - 2018-08-14 22:17:29.158906 Task Executed. - 2018-08-14 22:17:30.211438 Task Executed. - 2018-08-14 22:17:31.263542 Task Executed. - 2018-08-14 22:17:32.315923 Task Executed. - 2018-08-14 22:17:33.017096 Task Executed. - 2018-08-14 22:17:34.068963 Task Executed. - 2018-08-14 22:17:35.121267 Task Executed. - 2018-08-14 22:17:36.173600 Task Executed. - 2018-08-14 22:17:37.226165
輸出日誌
[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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