<?php
/**
 * This file is part of workerman.
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the MIT-LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @author walkor<walkor@workerman.net>
 * @copyright walkor<walkor@workerman.net>
 * @link http://www.workerman.net/
 * @license http://www.opensource.org/licenses/mit-license.php MIT License
 */

/**
 * 用于检测业务代码死循环或者长时间阻塞等问题
 * 如果发现业务卡死，可以将下面declare打开（去掉//注释），并执行php start.php reload
 * 然后观察一段时间workerman.log看是否有process_timeout异常
 */

//declare(ticks=1);
require_once __DIR__ . '/../../config.php';

use \GatewayWorker\Lib\Gateway;

/**
 * 主逻辑
 * 主要是处理 onConnect onMessage onClose 三个方法
 * onConnect 和 onClose 如果不需要可以不用实现并删除
 */
class Events
{
    /**
     * 当客户端连接时触发
     * 如果业务不需此回调可以删除onConnect
     *
     * @param int $client_id 连接id
     */
    public static function onConnect($client_id)
    {
        Gateway::sendToClient($client_id, json_encode([
            'action' => 'init',
            'client_id' => $client_id
        ], JSON_UNESCAPED_UNICODE));
    }

    /**
     * 当客户端发来消息时触发
     * @param int $client_id 连接id
     * @param mixed $message 具体消息
     */
    public static function onMessage($client_id, $message)
    {
        global $config;
        if ($message == $config['ping']) Gateway::sendToClient($client_id, $config['pang']);
    }

    /**
     * 当用户断开连接时触发
     * @param int $client_id 连接id
     */
    public static function onClose($client_id)
    {
        global $config;
        if (!!$config['close']) self::post($config['close'], ['client' => $client_id]);
    }

    public static function post($url, $data, $type = 'json')
    {
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($curl, CURLOPT_POST, true);
        if ($type === 'data') {
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
            curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
        }
        if ($type === 'json') {
            $data_string = json_encode($data, JSON_UNESCAPED_UNICODE);
            curl_setopt($curl, CURLOPT_HTTPHEADER, [
                'Content-Type: application/json; charset=utf-8',
                'Content-Length: ' . strlen($data_string)
            ]);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data_string);
        }
        $r = curl_exec($curl);
        curl_close($curl);
        return $r;
    }
}