sniffer

Simple employee information system program()

仿照TCP协议的UDP封装,用ACK，和滑动窗口(Modeled on the TCP protocol UDP encapsulation, with ACK, and sliding window)

组播发送端，socket通信，Windows网络编程(Multicast sender, socket communications, Windows network programming)

TCP通信示例程序，很好用的网络通信例程(TCP communication sample program, the good network communication routines)

modbbus rtu通讯例子，内附有实现文档(Modbbus RTU communication example, with an implementation document)

基于TCP/IP协议的MFC网络编程实例，适合windows网络编程的初学者(MFC network programming example based on TCP/IP protocol, adaptive for whose who starts to learn Windows network programming.)

TCP和UDP socket编程，向固定服务器发送学号姓名信息，用udp从服务器获得一个随机字符串(TCP and UDP socket programming, Student ID Name information sent to the fixed server udp from server to obtain a random string)

MFC实现文件传输，望有志者增加多线程的功能(MFC to achieve file transfer, and hopes to increase multi-threading features people with lofty ideals)

Currently, most of people use MS DCOM/COM+, Java Bean/RMI, and Corba to do distributed computing over internet. All of these technologies are provided with some tools and intermediate objects to simplify internet development. However, these technologies have one common and fundamental problem that all of the calls between a client and a server are blocked for a returned result (please correct me if this is wrong). A client stays still, and has to wait for a while after sending a request to a server. If the request is a lengthy action, the client application seems to be dead to a user. In most cases, we could use a worker thread at the client side to do background computation for solving this problem. However, this comes with an expensive price, more coding, data synchronization and mess in coding logic. Additionally, I also doubt that these technologies are able to really move data across internet efficiently.

一个简单的点对点聊天程序，学习socket通讯编程时的练习程序。编译环境为VS2008(A simple peer-to-peer chat program, learning socket communication programming practice procedures. The compiled environment for VS2008)