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
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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
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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
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