https://blog.csdn.net/adkada1/article/details/54342275
简析
https://blog.csdn.net/amoscykl/article/details/83043790
分析
https://blog.csdn.net/qq_38345430/article/details/80372895
下一步的计划 libevent
https://blog.csdn.net/amoscykl/column/info/27945
原文：https://www.cnblogs.com/zhangkele/p/10992438.html