swoole_udp_push_mind's Introduction

一个关于UDP推送的想法

为了省电，为了支持更多客户端，为了节省连接资源……

废话省略一万字。

仍然是基于C/S模型 swoole框架

客户端首先向服务端发送一个消息，表示自己想“连接”（当然是连接不鸟的，因为是UDP）。
服务端接收到客户端的信息报文，我们可以拿到客户端的 IP PORT ，然后存到一张注册表中。
如果服务端接收报文成功会给客户端回复一个消息，表示“我愿意为您服务，sir”，此时客户端收到之后就阻塞在这里等待读取服务端的消息。
如果客户端网络环境变化，掉线等等情况出现，那么客户端要再次连接服务端注册自己的身份。

代码实现php + swoole

代码关键词

socket读写 stream_socket_client fwrite fread swoole_table swoole_server

客户端的socket要死循环读，客户端心跳周期要考虑，目前还没做心跳机制

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