TCP-socket

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服务器端代码：

EetTcpServer.cpp

// 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listenSOCKADDR_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acceptchar 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);}}

客户端代码

EetTcpClient.cpp

// 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IPaddrSrv.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connectint i=1;while(1){//接收数据char recvBuf[320*240*2];recv(sockClient,recvBuf,strlen(recvBuf),0);               //接收recvprintf("%s\n",recvBuf);send(sockClient,"我叫ahuang1900",strlen("我叫ahuang1900")+1,0);    //发送sendif(i++ >100000){break;}}//关闭套接字closesocket(sockClient);                                  //关闭closesocketWSACleanup();}

运行结果

服务器端：

客户端：

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