swoole如何监听redis数据?

laravel使用swoole监听redis

开始之前,请先确保redis已经正确安装,并正常运行。

laravel代码

在app\events目录下新建redistest事件

 

<?php

namespace app\events;

use illuminate\broadcasting\channel;

use illuminate\queue\serializesmodels;

use illuminate\broadcasting\privatechannel;

use illuminate\broadcasting\presencechannel;

use illuminate\foundation\events\dispatchable;

use illuminate\broadcasting\interactswithsockets;

use illuminate\contracts\broadcasting\shouldbroadcast;

class redistest

{

    use dispatchable, interactswithsockets, serializesmodels;

    public $message;

    /**

    * create a new event instance.

    *

    * @return void

    */

    public function __construct($message)

    {

        $this->message = $message;

    }

    /**

    * get the channels the event should broadcast on.

    *

    * @return \illuminate\broadcasting\channel|array

    */

    public function broadcaston()

    {

        return new privatechannel('channel-name');

    }

}

  

app\listeners\redistestlistener 监听事件代码

<?php

namespace app\listeners;

use app\events\redistest;

use illuminate\queue\interactswithqueue;

use illuminate\contracts\queue\shouldqueue;

use illuminate\support\facades\log;

class redistestlistener

{

    /**

    * create the event listener.

    *

    * @return void

    */

    public function __construct()

    {

        //

    }

    /**

    * handle the event.

    *

    * @param  redistest  $event

    * @return void

    */

    public function handle(redistest $event)

    {

        $message = $event->message;

        log::info('the message received from subscribed redis channel msg_0: '.$message);

    }

}
app\providers\eventserviceprovider 登记事件/监听关系

protected $listen = [

        'app\events\redistest' => [

            'app\listeners\redistestlistener',

        ],

    ];

  

监听命令

app\console\commands\redissubscribe 代码如下

<?php

namespace app\console\commands;

use illuminate\console\command;

use swoole_redis;

use illuminate\support\facades\event;

use app\events\redistest;

class redissubscribe extends command

{

    /**

    * the name and signature of the console command.

    *

    * @var string

    */

    protected $signature = 'redis:subscribe';

    /**

    * the console command description.

    *

    * @var string

    */

    protected $description = 'deamon process to subscribe redis broadcast';

    /**

    * create a new command instance.

    *

    * @return void

    */

    public function __construct()

    {

        parent::__construct();

    }

    /**

    * execute the console command.

    *

    * @return mixed

    */

    public function handle()

    {

        $client = new swoole_redis;

        $client->on('message', function (swoole_redis $client, $result) {

            var_dump($result);

            static $more = false;

            if (!$more and $result[0] == 'message')

            {

                echo "trigger event redistest\n";

                event::fire(new redistest($result[2]));

            }

        });

        $client->connect('127.0.0.1', 6379, function (swoole_redis $client, $result) {

            echo "connect\n";

            $client->subscribe('msg_0');

        });

    }

}

  

laravel部分代码完成

==================================

supervisor 管理进程

在 /etc/supervisor/conf.d 文件夹下新建 echo.conf , 代码如下

[group:echos]

programs=echo-queue,echo-redis

[program:echo-queue]

command=php artisan queue:work

directory=/home/bella/downloads/lnmp/echo1.0/echo

user=bella

autorestart=true

redirect_stderr=true

stdout_logfile=/home/bella/downloads/lnmp/echo1.0/echo/storage/logs/queue.log

loglevel=info

[program:echo-redis]

command=php artisan redis:subscribe

directory=/home/bella/downloads/lnmp/echo1.0/echo

user=bella

autorestart=true

redirect_stderr=true

stdout_logfile=/home/bella/downloads/lnmp/echo1.0/echo/storage/logs/redis.log

loglevel=info

  

完成后,执行以下命令重载

supervisorctl reload

=================================

进入redis 客户端,发布一个广播通知到 msg_0 频道

publish msg_0 "hello bella"

  

如果 laravel目录下的 storage\logs\laravel.log 最后的日志中记录了广播发送的通知,则redis监听功能实现