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webserver-lib's Introduction

webserver-lib

一个受muduo库启发设计的web服务器，可实现http服务器和tcp服务器。

结构

服务器使用one loop per thread模式，包含两个线程池，其中一个线程池实现IO，另一个线程池实现信息的解码，逻辑运算及编码操作。客户连接会通过Acceptor分发给各个IO线程，IO线程会领用闲置Channel进行数据传输。

特点

  1. 仿servlet接口

    用户只需专注doGet和doPost的实现

  2. 支持session会话

    session会话基于cookie实现。cookie记录SESSION_ID，通过SESSION_ID可索引用户的状态信息

  3. 支持filter

    仿照servlet的filter设计，通过调用chain.doFilter(req, resp)将请求传递至下一级

  4. 更高的内存复用

    读写缓冲区均采用环形队列实现

注意事项

  1. filter根据注册的顺序进行调用
  2. 目前SESSION_ID根据时间进行编码，有较大安全隐患，后续会优化编码方式

已知bug

  1. 同一个用户短时间内发送多次请求可能会造成请求丢失

webserver-lib's People

Contributors

namewudi avatar

Forkers

zhuzilong2018-163-com

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