TCP-socket

// EetTcpServer.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"

#pragma comment(lib,"ws2_32.lib")

void main(int argc, char* argv[])
{
//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);        //创建socket

//地址信息
SOCKADDR_IN addrSrv;
addrSrv.sin_addr.S_un.S_addr=htonl(INADDR_ANY);      //IP地址
addrSrv.sin_family=AF_INET;						     //地址族
addrSrv.sin_port=htons(4000);					     //端口号

//绑定套接字
bind(sockSrv,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR));  //将套接字和IP及端口绑定

//将套接字设为监听模式，准备接收客户请求
listen(sockSrv,5);									 //监听listen

SOCKADDR_IN addrClient;
int len=sizeof(SOCKADDR);

while(1)
{
//等待客户请求到来
SOCKET sockConn=accept(sockSrv,(SOCKADDR*)&addrClient,&len);  //接受accept

char sendBuf[320*240*2];
sprintf(sendBuf,"Welcome %s to 图像数据服务器",inet_ntoa(addrClient.sin_addr));

//发送数据
send(sockConn,sendBuf,strlen(sendBuf)+1,0);

//接收数据
char recvBuf[100];
recv(sockConn,recvBuf,100,0);

//打印数据
printf("%s\n",recvBuf);

//关闭套接字
closesocket(sockConn);
}

}

// EetTcpClient.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"

#pragma comment(lib,"ws2_32.lib")

void main(int argc, char* argv[])
{
//加载套接字
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;
}

//创建套接字
SOCKET sockClient=socket(AF_INET,SOCK_STREAM,0);		  //创建socket

//地址信息
SOCKADDR_IN addrSrv;
addrSrv.sin_addr.S_un.S_addr=inet_addr("127.0.0.1");	  //服务器IP
addrSrv.sin_family=AF_INET;								  //地址族
addrSrv.sin_port=htons(4000);							  //服务器端口号

//向服务器发出连接请求
connect(sockClient,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR)); //连接connect

int i=1;
while(1)
{

//接收数据
char recvBuf[320*240*2];
recv(sockClient,recvBuf,strlen(recvBuf),0);               //接收recv
printf("%s\n",recvBuf);

send(sockClient,"我叫ahuang1900",strlen("我叫ahuang1900")+1,0);    //发送send

if(i++ >100000)
{
break;
}

}

//关闭套接字
closesocket(sockClient);                                  //关闭closesocket

WSACleanup();
}