php中Swoole的热更新实现代码实例-巨人网络通讯

php中Swoole的热更新实现代码实例

使用swoole_http_server替代php-fpm后，由于php长驻内存,修改了代码不能实时调试，需要去手动去重启服务,很是不方便，决定使用inotify来监控文件状态的改变，来给swoole发送reload信号,来实现swoole的热更新。

如何安装inotify就不写了，安装之后可以建立一个脚本文件，如php_reload.sh:

#!/bin/sh
# src 需要监控的地址
src=/home/server/Project/test/app/
/usr/bin/inotifywait -rmq -e create,modify,delete $src | while read event
 do
    /home/server/Project/test/bin/httpserver reload
 done

linux shell 写swoole重启脚本

代码如下

#!/bin/sh
kill `lsof -t -i:9501`
sleep 2
php /data/web/mircoweb/wwwroot/Public/swoole.php
sleep 1
netstat -ntlp

如果不支持lsof命令那就yum install lsof安装下吧

swoole服务平滑重启

1. reload.sh脚本

echo "loading..."
pid="pidof live_name"
echo $pid
kill -USR1 $pid
echo "loading success"

2. linux中执行

sh reload.sh
代码用的原来只是自己加了一些操作流程

swoole_reload_server.php

?php
class Server
{
        private $serv;
        public function __construct() {
        $this->serv = new swoole_server("0.0.0.0", 9501);
        $this->serv->set(array(
            'worker_num' => 8,
            'daemonize' => false,
            'max_request' => 10000,
            'dispatch_mode' => 2,
            'debug_mode'=> 1,
        ));
        $this->serv->on('Start', array($this, 'onStart'));
        $this->serv->on('WorkerStart', array($this, 'onWorkerStart'));
        $this->serv->on('Connect', array($this, 'onConnect'));
        $this->serv->on('Receive', array($this, 'onReceive'));
        $this->serv->on('Close', array($this, 'onClose'));
        $this->serv->start();
    }
    public function onStart( $serv ) {
        echo "Start\n";
        cli_set_process_title("reload_master");
    }
    public function onWorkerStart( $serv , $worker_id) {
        require_once "reload_page.php";
        Test();
    }
    public function onConnect( $serv, $fd, $from_id ) {
        echo "Client {$fd} connect\n";
 
    }
    public function onReceive( swoole_server $serv, $fd, $from_id, $data ) {
        echo "Get Message From Client {$fd}:{$data}\n";
    }
    public function onClose( $serv, $fd, $from_id ) {
        echo "Client {$fd} close connection\n";
    }
}
new Server();

reload.sh

echo "Reloading..."
cmd=$(pidof reload_master)
 
kill -USR1 "$cmd"
echo "Reloaded"

reload_page.php

?php
/**
 * If you change this function and want
 * swoole_server to use the new function,
 * just run 'reload.sh' to send a restart
 * signal to swoole_server.
 */
function Test() {
  echo "This is not a php file\n";
}

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