swoole task任务

https://wiki.swoole.com/wiki/page/41.html

<?php

class wsServer
{
    const Host = '0.0.0.0';
    const PORT = '9504';
    public $ws = null;

    function __construct()
    {
        $this->ws = new swoole_websocket_server(self::Host, self::PORT);
        $this->ws->set([
            'worker_num' => 2, //worker  进程数 电好CPU 1-4
            'task_worker_num' => 2
        ]);
        $this->ws->on('open', [$this, 'onOpen']);
        $this->ws->on('message', [$this, 'onMessage']);
        $this->ws->on('task', [$this, 'onTask']);
        $this->ws->on('finish', [$this, 'onFinish']);
        $this->ws->on('close', [$this, 'onClose']);
        $this->ws->start();
    }

    /**S
     * 监听websocke连接打开事件
     * @param $server
     * @param $request
     */
    function onOpen($server, $request)
    {
        print_r($request->fd);

    }

    /**
     * 监听消息事件
     * 向websocket客户端连接推送数据
     * $fd 客户端连接的ID，如果指定的$fd对应的TCP连接并非websocket客户端，将会发送失败
     * $data 要发送的数据内容
     * $opcode，指定发送数据内容的格式，默认为文本。发送二进制内容$opcode参数需要设置为WEBSOCKET_OPCODE_BINARY
     * 发送成功返回true，发送失败返回false
     * function swoole_websocket_server->push(int $fd, string $data, int $opcode = 1, bool $finish = true);
     * @param $ws
     * @param $frame
     */
    function onMessage($ws, $frame)
    {
//        echo "receive from {$frame->fd}:{$frame->data},opcode:{$frame->opcode},fin:{$frame->finish}\n";
        //task 代码只是提交，不影响下面的PUSH
        $data = [
            'task' => 1, //编号
            'fd' => $frame->fd //客户端ID
        ];
        $ws->task($data);
        $ws->push($frame->fd, "this is server");
    }

    /**
     * @param $serv
     * @param $taskId
     * @param $workerId
     * @param $data
     * @return string
     */
    public function onTask($serv, $taskId, $workerId, $data)
    {
        print_r($data);
        //处理的逻辑，耗时场景
        sleep(10);
        return 'on task finish'; // 告诉worker
    }


    public function onFinish($serv, $taskId,  $data)
    {
        echo 'taskId'. $taskId;
        //data内容是onTask return内容
        echo ' finish-data-succ'.$data;
    }
    /**
     * 关闭
     * @param $ws
     * @param $fd
     */
    function onClose($ws, $fd)
    {
        echo "client {$fd} closed\n";
    }
}

$ws = new wsServer();