PHP によるクライアントへのシステム メッセージのリアルタイム プッシュの原理と詳細な説明

<?php
new class
{
    private $_serv = null;
    public function __construct()
    {
        $this->_serv = new swoole_websocket_server(&#39;0.0.0.0&#39;, 6552);
        $this->_serv->set(array(
            &#39;worker_num&#39;      => 2,
            &#39;dispatch_mode&#39;   => 3,
        &#39;log_file&#39; => &#39;swoole.log&#39;,
        ));
　　//增加个监听端口
    $udpworker =  $this->_serv->listen("127.0.0.1", 6553, SWOOLE_SOCK_UDP);
    $udpworker->on(&#39;Packet&#39;, function ($serv, $data, $addr) {
            $data = json_decode($data, true);
            if(!empty($data)){
                //你的业务逻辑
            }
        });
        $this->_serv->on(&#39;open&#39;, array($this, &#39;onStart&#39;));
        $this->_serv->on(&#39;message&#39;, array($this, &#39;onMessage&#39;));
        $this->_serv->on(&#39;close&#39;, array($this, &#39;onClose&#39;));
        $this->_serv->start();
    }
   
    public function onStart($serv, $request)
    {
        echo "server: connect success with fd {$request->fd}\n";
    }
    //format:&#39;{"school_class_id":"1","school_id":"2"}&#39;
    public function onMessage($serv, $frame)
    {
　　　　/**start*你的业务逻辑***/
    }
    public function onClose($serv, $fd)
    {
        echo "client {$fd} closed\n";
    }
}
?>