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/shkill `lsof -t -i:9501`sleep 2php /data/web/mircoweb/wwwroot/Public/swoole.phpsleep 1netstat -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 $pidkill -USR1 $pidecho "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

<?phpclass 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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