本程序需要达到的目的是监控本地网络，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，包括源地址、目的地址、协议类型和不同源、目的主机之间不同类型的IP数据包的数量。-This procedure is needed to fulfill the purpose of 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), IP packet statistical information, including source address, destination address , the agreement type and different sources, the purpose of the host between the different types of IP packet number.