P2P打洞的理论和相关实现程序代码，详细介绍了P2P打洞的理论知识，并且给出了相关的实现代码。无论是学习编写聊天程序还是*都很有帮助-P2P holes related to the realization of the theory and program code, detailing the theoretical knowledge P2P holes and gives the realization of the relevant code. Whether it is prepa