#include <Winsock2.h>
#include <stdio.h>
void main()
{
//加载套接字库
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested=MAKEWORD(1,1);
err=WSAStartup(wVersionRequested,&wsaData);
if(err!=0)
{
return;
}
if(LOBYTE(wsaData.wVersion)!=1 ||
HIBYTE(wsaData.wVersion)!=1)
{
WSACleanup();
return;
}
//创建用于监听的套接字
SOCKET sockSrv=socket(AF_INET,SOCK_STREAM,0);
SOCKADDR_IN addrSrv;
addrSrv.sin_addr.S_un.S_addr=htonl(INADDR_ANY);
addrSrv.sin_family=AF_INET;
addrSrv.sin_port=htons(6000);
//绑定套接字
bind(sockSrv,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR));
//将套接字设为监听模式,准备接受客户请求
listen(sockSrv,5);
SOCKADDR_IN addrClient;
int len=sizeof(SOCKADDR);
while(1)
{
//等待客户请求的到来
SOCKET sockConn=accept(sockSrv,(SOCKADDR*)&addrClient,&len);
char sendBuf[100];
sprintf(sendBuf,"Welcome %s to http://www.sunxin.org",
inet_ntoa(addrClient.sin_addr));
//发送数据
send(sockConn,sendBuf,strlen(sendBuf)+1,0);
char recvBuf[100];
//接受数据
recv(sockConn,recvBuf,100,0);
//打印接受的数据
printf("%s\n",recvBuf);
//关闭套接字
closesocket(sockConn);
}
}