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// Win32SocketTest.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include "winsock2.h"//#pragma comment(lib,"wsock32.lib")#pragma comment(lib,"Ws2_32.lib")#include 
   
    int _tmain(int argc, _TCHAR* argv[]){	int arg = 1000;	int theOp = ~arg + 1;	int theOp2 = ~theOp + 1;	//启动socket	WSADATA data;	WSAStartup(MAKEWORD(2,2),&data);	//设置服务器地址	SOCKADDR_IN addr;	addr.sin_family = AF_INET;	addr.sin_port = htons(5000);	addr.sin_addr.S_un.S_un_b.s_b1 = 113;	addr.sin_addr.S_un.S_un_b.s_b2 = 90;	addr.sin_addr.S_un.S_un_b.s_b3 = 50;	addr.sin_addr.S_un.S_un_b.s_b4 = 170;	int len = sizeof(addr);	//创建socket	SOCKET s = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);	//绑定socket	bind(s,(sockaddr*)&addr,sizeof(addr));	while(true)	{		//监听socket		listen(s,SOMAXCONN);		//创建与socket关联的事件		WSAEVENT event = WSACreateEvent();		WSAEventSelect(s,event,FD_ACCEPT | FD_CLOSE);		//等待事件发生		//		//阻塞！必须建立线程去处理。。以后改进。		DWORD nResult = WaitForSingleObject(event, INFINITE);		if (nResult == WAIT_OBJECT_0)		{			//查询是什么事件发生了。			WSANETWORKEVENTS ne;			WSAEnumNetworkEvents(s,event,&ne);			if (ne.lNetworkEvents&FD_ACCEPT)			{				//为这个客户端建立一个套接字用来收发数据。				SOCKADDR_IN clientAddr;				int addrlen = sizeof(clientAddr);				SOCKET sClient = accept(s, (sockaddr*)&clientAddr, &addrlen);				//				/阻塞！必须建立线程去处理。。以后改进。					WSAEVENT eventWriteRead = WSACreateEvent();				WSAEventSelect(sClient,eventWriteRead,FD_WRITE|FD_READ|FD_CLOSE);				while (true)				{					WaitForSingleObject(eventWriteRead,INFINITE);					{						//查询是什么事件发生了。						WSANETWORKEVENTS ne;						WSAEnumNetworkEvents(sClient,eventWriteRead,&ne);						if (ne.lNetworkEvents&FD_WRITE)						{							char a[1000];							memset(a,0,sizeof(a));							std::cin>>a;							send(sClient, a, sizeof(a),0);						}						else if (ne.lNetworkEvents&FD_READ)						{							char buf[1000];							buf[999] = 0;							recv( sClient,buf,len,0);							std::cout<
   

 要改进的地方

1。阻塞的地方waiforsingle改为waitformultiple，并且用线程去处理。

2。用短连接代替长连接来处理。收到一个完整的业务包之后，进行关闭。

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