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HomeBackend DevelopmentPHP TutorialMeepoPS--轻量级 Socket 服务

MeepoPS是Meepo PHP Socket的缩写。旨在提供高效稳定的由纯PHP开发的多进程SocketService。

MeepoPS可以轻松构建在线实时聊天,即时游戏,视频流媒体播放,RPC,实时监控,以及原本使用HTTP的接口/定时任务的场景中等。

综述:

  • 开发语言:PHP5.3以上

  • PHP作为最好的语言,不仅仅能依靠Nginx来开发Web应用,同时,也可以构建高效稳定的即时通讯类Socket应用

  • MeepoPS的最低运行要求是安装了PHP的PCNTL库

  • MeepoPS的定位是一个插件。不但可以独立运行,也可以依附与ThinkPHP,CodeIgniter,YII等MVC框架中

  • MeepoPS是多进程,高性能,高可用,高并发,分布式的轻量级Socket服务,安全稳定。代码维护在GitHub,开放源码,永久免费。

  • MeepoPS由纯PHP构建,代码简洁优雅。最好的语言,做更多的事情!

  • 没有复杂的代码和新生语法,原生PHP语言直接调用即可。

传送门:

  • 手册地址: http://meepops.lanecn.com

  • Github: https://github.com/lixuancn/MeepoPS

  • Bug提交: https://github.com/lixuancn/MeepoPS/issues

  • 微博: http://weibo.com/lanephp

MeepoPS官网

即时通讯

声明:

  • 绝大多数的PHP应用都部署在Linux服务器, 因此MeepoPS不支持非Unix操作系统(例如Windows)。 你可以使用Apple Mac(OS X), CentOS, Ubuntu, Red Hat, Fedora, FreeBSD等类Unix操作系统来启动MeepoPS。

  • Windows用户可以安装VirtualBox, Vmware等虚拟机软件来运行MeepoPS。

  • 多进程及信号处理需要依赖PHP的PCNTL库。 MeepoPS深度依赖PCNTL, 因此PCNTL库是必须安装的, 即使只启动一个进程的MeepoPS, 仍然需要安装PCNTL。 如何安装:

    PHP手册-PCNTL安装

  • 在大规模访问下,我们建议安装PHP的PECL扩展Libevent,但这不是必须的。在高链接数的场景下, Libevent表现优异。如何安装: PHP手册-Libevent安装 。截止2016-05-06,PHP官方的Libevent扩展不支持PHP7,PHP7下的Libevent安装方法: PHP7的Libevent分支

  • 默认监听链接的方式为Select轮询机制。PHP的Select轮询机制最多只能监听1024个链接。想要突破这个限制,要么安装Libevent,要么使用--enable-fd-setsize=2048重新编译安装PHP。

快速入门:

服务端使用方法:

基础功能和用法都写在demo-telnet.php,基本您就可以直接用。

普通终端启动:

1. 启动: 命令行输入"php demo-telnet.php start".2. 状态: 命令行输入"php demo-telnet.php status".3. 平滑结束: 启动后按下"ctrl + c"即可.4. 强行结束: 命令行输入"kill -INT `cat /var/run/meepo_ps/meepo_ps_master.pid`".

守护进程模式启动:

1. 启动: 命令行输入"php demo-telnet.php start -d".2. 状态: 命令行输入"php demo-telnet.php status".3. 平滑结束: 命令行输入"php demo-telnet.php stop".4. 强行结束: 命令行输入"php demo-telnet.php kill".5. 强行结束: 命令行输入"kill -INT `cat /var/run/meepo_ps/meepo_ps_master.pid`".

DEMO:

1. 基于Telnet协议的服务端使用方法请参考demo-telnet.php.2. 如果服务端启动的是HOST是0.0.0.0, 那么客户端可以是外机,可以是本机.本机可以是127.0.0.1, 也可以是localhost.3. 如果服务端启动的是HOST是127.0.0.1/localhost, 那么客户端是不能外机,只能是本机.

客户端使用方法:

Telnet:

客户端可使用telnet客户端.如: telnet 127.0.0.1 19910

编写代码:

客户端可借助编程语言的Socket来实现. 可参考Test/test_client.php

惊鸿一瞥:

  1. MeepoPS/config。ini是MeepoPS的配置文件。 采用和php。ini同样的格式, ";"为注释。

  2. 必须引入MeepoPS/index。php文件。 使用MeepoPS都是从 require_once 'MeepoPS/index。php' 开始的。

  3. MeepoPS/Api/目录下的文件为暴露给用户的接口。 需要实例化接口类文件, MeepoPS的使用都是围绕实例化接口文件后的对象来操作的。 实例化的时候传入监听的HOST和端口即可。

  4. MeepoPS会以回调函数的方式来触发您设置的业务逻辑。 比如新链接加入时会回调您设置的"Hello world", 再比如某个链接发送了消息"PING"时, 会回调您设置的返回消息"PONG"。

  5. MeepoPS可以启动多个实例, 每一次的new接口类文件都是一次实例化。

  6. MeepoPS不但可以实例化多个接口类文件, 也可以实例化同一个接口类文件多次。 比如启动了三个实例, 分别监听了19910, 19911, 19912端口。

  7. 实例化接口类文件并进行了相关设置后, 调用\MeepoPS\runMeepoPS()即可启动MeepoPS。

  8. \MeepoPS\runMeepoPS()之后的所有代码都将不会执行。

示例:

Example目录下是示例案例,每一个目录是一个独立的项目,会不断添加。

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