boots asio

https://mmoaay.gitbooks.io/boost-asio-cpp-network-programming-chinese/content/Chapter1.html

https://www.zhihu.com/question/42159518

http://www.it165.net/pro/html/201312/8118.html

https://segmentfault.com/a/1190000007225464  这个是不错的。

https://www.google.com/#q=boost+asio%E6%95%99%E7%A8%8B