swoole是如何实现任务定时自动化调度的？

<?php

namespace App\Console\Commands\Swoole;

use Illuminate\Console\Command;

class swoole extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'swoole {action}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = "Let's use swoole !";

    private $serv;

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $arg = $this->argument('action');
        switch ($arg) {
            case 'start':
                $this->info('swoole server started');
                $this->start();
                break;
            case 'stop':
                $this->info('stoped');
                $this->stop();
                break;
            case 'restart':
                $this->info('restarted');
                break;
        }
    }

    private function start()
    {
        $this->serv = new \swoole_server("127.0.0.1", 9501);
        $this->serv->set(array(
            'worker_num' => 8,
            'daemonize' => false,
            'max_request' => 10000,
            'dispatch_mode' => 2,
            'task_worker_num' => 8,
            'task_ipc_mode' => 3,
            'log_file' => storage_path('logs/taskqueue.log'),
        ));

        $this->serv->on('Receive', array($this, 'onReceive'));
        $this->serv->on('Task', array($this, 'onTask'));
        $this->serv->on('Finish', array($this, 'onFinish'));
        $this->serv->start();

    }

    public function onReceive(\swoole_server $serv, $fd, $from_id, $data)
    {
        $serv->task($data);
    }

    public function onTask($serv, $task_id, $from_id, $data)
    {
        $timeon = (3) * 1000;
        if ($timeon > 0) {
            $serv->after($timeon, function () {
                //业务逻辑处
                exec('php /path/to/root/artisan Test:Command');
            });
        }
        return date('Y-m-d H:i:s') . "第一次执行";
    }

    public function onFinish($serv, $task_id, $data)
    {

        echo "Task finish\n";
    }

    private function stop()
    {
        exec('/usr/bin/killall php');
    }

}

<?php
/**
 * Created by PhpStorm.
 * User: nosay
 * Date: 4/13/18
 * Time: 9:27 PM
 */

namespace App\Extension\php\Swoole;


class swoole{

    private $data;
    private $client;

    public function __construct($data){
        $this->data = $data;
        $this->client = new \swoole_client(SWOOLE_SOCK_TCP);
    }

    public function connect(){


        if( !$this->client->connect("127.0.0.1", 9501 , 1) ) {
            echo "Error";
        }


        $this->client->send($this->data);
    }



}

<?php

namespace App\Console\Commands\Test;

use App\Extension\php\Swoole\swoole;
use Illuminate\Console\Command;

class TestCommand extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'Test:Command';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Command Test';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        //这里是业务逻辑
        //如果银行那边返回的为false的话，那么我们把他交给swoole的定时脚本
        $status = false;

        if(!$status)
        {
            $swoole = new swoole("hehe");
            $swoole->connect();
        }



    }
}