<?php
declare(strict_types=0);
/**
 * 队列
*
*
*
*
*/
defined('InShopNC') or exit('Access Invalid!');

//此行代码会导致bug
//ini_set('default_socket_timeout', -1);

class queueControl
{
    private $_stop = false;

    public function indexOp()
    {
        if (ob_get_level()) ob_end_clean();

        pcntl_signal(SIGINT,  [$this,'sig_handler']);
        pcntl_signal(SIGHUP,  [$this,'sig_handler']);
        pcntl_signal(SIGQUIT, [$this,'sig_handler']);
        pcntl_signal(SIGTERM, [$this,'sig_handler']);

        $logic_queue = Logic('queue');

        $worker = new QueueServer();
        $queues = $worker->scan();

        $empty_times = 0;
        while (true)
        {
            pcntl_signal_dispatch();
            try
            {
                if ($this->_stop) break;

                $content = $worker->pop($queues, 1);
                if(is_array($content))
                {
                    $method = key($content);
                    $arg = current($content);

                    $argstr = json_encode($arg,JSON_UNESCAPED_UNICODE);
                    Log::record("method={$method} args={$argstr}",Log::DEBUG);

                    $result = $logic_queue->$method($arg);
                    if (!$result['state']) {
                        Log::record("{$method} run error: {$result['msg']}",Log::ERR);
                    }
                    $empty_times = 0;
                }
                else
                {
                    $empty_times ++;
                    if($empty_times > 600) {
                        $model = Model();
                        $model->checkActive();
                        unset($model);
                        $empty_times = 0;
                    }
                }
            }
            catch (Exception $e)
            {
                $err = $e->getMessage();
                $code = $e->getCode();
                Log::record("QueueDB pop err: code={$code} err={$err}",Log::ERR);
                break;
            }
        }
    }

    private function sig_handler($signo)
    {
        Log::record("queue quit at sig_handler.",Log::DEBUG);
        switch($signo) {
            case SIGINT:
            case SIGHUP:
            case SIGQUIT:
            case SIGTERM:
                $this->_stop = true;
                break;
            default:
                break;
        }
    }
}