thinkphp 6.0 swoole擴展websocket使用教程(think-swoole)

前言

ThinkPHP即將迎來最新版本6.0,針對目前愈來愈流行Swoole,thinkphp也推出了最新的擴展think-swoole 3.0。

介紹

即將推出的tp6.0,已經適配swoole.並推出think-swoole 3.0,而且默認適配了socketio。和2.0版本在使用方法上面有些許不一樣。php

Websocket 繼承與Http,進行websocket鏈接以前須要一次HTTP請求,若是當期地址支持websocket則返回101,而後進行鏈接。也就是說並非個人服務支持websocket後,請求每一個鏈接地址均可以進行websocket鏈接,而是須要預先適配才能夠鏈接。html

參數配置

若是要使用websocket須要在配置中啓用,將websocket下的enable設置爲truereact

'server'           => [
        'host'      => '0.0.0.0', // 監聽地址
        'port'      => 808, // 監聽端口
        'mode'      => SWOOLE_PROCESS, // 運行模式 默認爲SWOOLE_PROCESS
        'sock_type' => SWOOLE_SOCK_TCP, // sock type 默認爲SWOOLE_SOCK_TCP
        'options'   => [
            'pid_file'              => runtime_path() . 'swoole.pid',
            'log_file'              => runtime_path() . 'swoole.log',
            'daemonize'             => false,
            // Normally this value should be 1~4 times larger according to your cpu cores.
            'reactor_num'           => swoole_cpu_num(),
            'worker_num'            => swoole_cpu_num(),
            'task_worker_num'       => 4,//swoole_cpu_num(),
            'enable_static_handler' => true,
            'document_root'         => root_path('public'),
            'package_max_length'    => 20 * 1024 * 1024,
            'buffer_output_size'    => 10 * 1024 * 1024,
            'socket_buffer_size'    => 128 * 1024 * 1024,
            'max_request'           => 3000,
            'send_yield'            => true,
        ],
    ],
    'websocket'        => [
        'enabled'       => true,// 開啓websocket
        'handler'       => Handler::class,  //自定義wbesocket綁定類
        'parser'        => Parser::class, //自定義解析類
        'route_file'    => base_path() . 'websocket.php',
        'ping_interval' => 25000,
        'ping_timeout'  => 60000,
        'room'          => [
            'type'        => TableRoom::class,
            'room_rows'   => 4096,
            'room_size'   => 2048,
            'client_rows' => 8192,
            'client_size' => 2048,
        ],
    ],
    'auto_reload'      => true,
    'enable_coroutine' => true,
    'resetters'        => [],
    'tables'           => [],

handler和parser大大方便了自定義websocket服務,默認系統集成socketio。web

本文主要介紹如何使用socketio,這裏假設你們有socketio有必定了解和使用基礎。thinkphp

socketIo默認會在請求地址後加相應的參數apache

clipboard.png

同時,socketio默認狀況下,會認爲 http://url/socket.io/ 是支持websocket服務的地址。json

clipboard.png

而在tp-swoole3.0內部已經對該地址請求進行了處理websocket

<?php

namespace think\swoole\websocket\socketio;

use think\Config;
use think\Cookie;
use think\Request;

class Controller
{
    protected $transports = ['polling', 'websocket'];

    public function upgrade(Request $request, Config $config, Cookie $cookie)
    {
        if (!in_array($request->param('transport'), $this->transports)) {
            return json(
                [
                    'code'    => 0,
                    'message' => 'Transport unknown',
                ],
                400
            );
        }

        if ($request->has('sid')) {
            $response = response('1:6');
        } else {
            $sid     = base64_encode(uniqid());
            $payload = json_encode(
                [
                    'sid'          => $sid,
                    'upgrades'     => ['websocket'],
                    'pingInterval' => $config->get('swoole.websocket.ping_interval'),
                    'pingTimeout'  => $config->get('swoole.websocket.ping_timeout'),
                ]
            );
            $cookie->set('io', $sid);
            $response = response('97:0' . $payload . '2:40');
        }

        return $response->contentType('text/plain');
    }

    public function reject(Request $request)
    {
        return json(
            [
                'code'    => 3,
                'message' => 'Bad request',
            ],
            400
        );
    }
}

TP6.0,插件註冊採用了service方式進行了註冊,可在tp-swoole 服務註冊文件中查看路由註冊信息,若是想自定義連接規則,則能夠覆蓋該路由。swoole

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2018 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: yunwuxin <448901948@qq.com>
// +----------------------------------------------------------------------

namespace think\swoole;

use Swoole\Http\Server as HttpServer;
use Swoole\Websocket\Server as WebsocketServer;
use think\App;
use think\Route;
use think\swoole\command\Server as ServerCommand;
use think\swoole\facade\Server;
use think\swoole\websocket\socketio\Controller;
use think\swoole\websocket\socketio\Middleware;

class Service extends \think\Service
{
    protected $isWebsocket = false;

    /**
     * @var HttpServer | WebsocketServer
     */
    protected static $server;

    public function register()
    {
        $this->isWebsocket = $this->app->config->get('swoole.websocket.enabled', false);

        $this->app->bind(Server::class, function () {
            if (is_null(static::$server)) {
                $this->createSwooleServer();
            }

            return static::$server;
        });

        $this->app->bind('swoole.server', Server::class);

        $this->app->bind(Swoole::class, function (App $app) {
            return new Swoole($app);
        });

        $this->app->bind('swoole', Swoole::class);
    }

    public function boot(Route $route)
    {
        $this->commands(ServerCommand::class);
        if ($this->isWebsocket) {
            $route->group(function () use ($route) {
                $route->get('socket.io/', '@upgrade');
                $route->post('socket.io/', '@reject');
            })->prefix(Controller::class)->middleware(Middleware::class);
        }
    }

    /**
     * Create swoole server.
     */
    protected function createSwooleServer()
    {
        $server     = $this->isWebsocket ? WebsocketServer::class : HttpServer::class;
        $config     = $this->app->config;
        $host       = $config->get('swoole.server.host');
        $port       = $config->get('swoole.server.port');
        $socketType = $config->get('swoole.server.socket_type', SWOOLE_SOCK_TCP);
        $mode       = $config->get('swoole.server.mode', SWOOLE_PROCESS);

        static::$server = new $server($host, $port, $mode, $socketType);

        $options = $config->get('swoole.server.options');

        static::$server->set($options);
    }
}

Socketio默認使用democookie

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="./static/js/socket.io.js"></script>
</head>
<body>
<script>
    const socket = io('http://localhost:808');
    socket.emit("test", "your message");
    socket.on("test",function(res){console.log(res)});
</script>
</body>
</html>

Websocket路由配置方法

在app目錄下新建websocket.php文件,其中須要注意,因爲使用了反射,閉包參數名稱不能隨意定義,否則沒法注入。第一個參數是websocket,是當前websocket的Server對象,第二個參數data是客戶端發送的數據。其中socketio emit的第一個參數和Websocket::on的第一個參數一致,做爲事件名稱。

<?php
/**
 * Author:Xavier Yang
 * Date:2019/6/5
 * Email:499873958@qq.com
 */

use \think\swoole\facade\Websocket;

Websocket::on("test", function (\think\swoole\Websocket $websocket, $data) {
    //var_dump($class);
    $websocket->emit("test", "asd");
});

Websocket::on("test1", function ($websocket, $data) {
    $websocket->emit("test", "asd");
});

Websocket::on("join", function (\think\swoole\Websocket $websocket, $data) {
    $websocket->join("1");
});

圖片描述

參考如上方法便可使用全新的websocket服務。固然tp-swoole3.0一樣還有許多其餘的新功能,這些功能須要你們去摸索嘗試。我也會在接下來的文章中,一塊兒與你們分享個人使用過程。

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