File list (Check if you may need any files):
UDPP2P打洞代码加有心跳包维持客户端存在\common\comm.cpp
......................................\......\comm.h
......................................\......\Debug.h
......................................\......\initsock.h
......................................\......\protoinfo.h
......................................\P2PClientDemo\P2PClient.cpp
......................................\.............\P2PClient.h
......................................\.............\P2PClientDemo.cpp
......................................\.............\P2PClientDemo.dsp
......................................\.............\P2PClientDemo.dsw
......................................\.............\P2PClientDemo.ncb
......................................\.............\P2PClientDemo.plg
......................................\.............\P2PClientDemo.opt
......................................\...Server\P2PServer.dsw
......................................\.........\P2PServer.ncb
......................................\.........\P2PServer.plg
......................................\.........\P2PServer.cpp
......................................\.........\P2PServer.opt
......................................\.........\P2PServer.dsp
......................................\comm.cpp
......................................\comm.h
......................................\common
......................................\P2PClientDemo
......................................\P2PServer
UDPP2P打洞代码加有心跳包维持客户端存在