socket编程，监控本地网络，捕获一段时间内以本机为源地址或目的地址的IP数据包（不需要包括广播数据包），统计IP数据包的信息，列出本机与其他主机之间不同协议类型（根据端口号不同）的IP数据包的数量。-socket programming, monitoring the local network, capturing a period of time to this machine as the source address or destination address of IP packets (including broadcast packets do not need to), statistical information in IP packets, listing between the local and the other hosts of different protocol type (based on a different port number) of the number of IP packets.