说明：  提供流量监控小工具的一部分代码，主要是抓取网卡实时流量和查看哪些进程占用端口情况， 一共三个源文件， net_traffic.cpp 实时流量 ports_stat.cpp/ports_stat.h， 端口信息 代码支持 linux， solaris，windows平台的编译。
(Providing traffic monitoring gadget part of the code, mainly crawl card and see which processes real-time traffic situations occupied port, a total of three source files, net_traffic.cpp real-time traffic ports_stat.cpp/ports_stat.h, port information code supports linux, solaris , windows platform compiler.)