摘要：
Sometimes，you need to manipulate the default values of certain properties of a socket library, for example, the socket timeout. 设定并获取默认的套接字超时时间。 1.代码 阅读全文
摘要：
If you ever need to write a low-level network application, it may be necessary to handle the low-level data transmission over the wire between two mac 阅读全文