8个方向的Astart寻路算法，在原来代码基础改动,8 direction Astart pathfinding algorithm, changes in the original code base

it is base on moodle platform

自适应定位程序，当节点为beacon状态时，监听定位网络；当节点为listener状态时，负责进行定位计算，然后转化为beacon状态-Adaptive positioning procedure, when the node is beacon state, the monitor location network when the node state for the listener, responsible for position calculation, and then into

本书共14章，详细分析了snort2.2在windows系统下的源代码，对数据包截获、系统初始化、数据包处理、系统配置和规则库建立于匹配等等，详细的进行了分析。对源代码中重要的函数一句句的注释分析。-The book has 14 chapters, detailed analysis snort2.2 of source code in windows system, packet capture, system initialization, packet processing, syste