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            用C或者C++語言實現SOCKET通信

            時間:2020-11-21 17:40:06 筆試題目 我要投稿

            用C或者C++語言實現SOCKET通信

              #include

              #include

              void main()

              {

              WORDwVersionRequested;

              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;

              }

              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);

              bind(sockSrv,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR));

              listen(sockSrv,5);

              SOCKADDR_IN addrClient;

              int len=sizeof(SOCKADDR);

              while(1)

              {

              SOCKET sockConn=accept(sockSrv,(SOCKADDR*)&addrClient,&len);

              char sendBuf[100];

              sprint(sendBuf,”Welcome %s to http://www.sunxin.org“,

              inet_ntoa(addrClient.sin_addr));

              send(sockConn,sendBuf,strlen(sendBuf)+1,0);

              char recvBuf[100];

              recv(sockConn,recvBuf);

              printf(“%s\n”,recvBuf);

              closesocket(sockConn);

              WSACleanup();

              }

              }

              注:這是Server端;File->New->Win32 Console Application,工程名:TcpSrv;然后,File->New->C++ Source File,文件名:TcpSrv;在該工程的'Setting的Link的Object/library modules項要加入ws2_32.lib

              #include

              #include

              void main()

              {

              WORDwVersionRequested;

              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;

              }

              SOCKET sockClient=socket(AF_INET,SOCK_STREAM,0);

              SOCKADDR_IN addrSrv;

              addrSrv.sin_addr.S_un.S_addr=inet_addr(“127.0.0.1″);

              addrSrv.sin_family=AF_INET;

              addrSrv.sin_porthtons(6000);

              connect(sockClient,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR));

              char recvBuf[100];

              recv(sockClient,recvBuf,100,0);

              printf(“%s\n”,recvBuf);

              send(sockClient,”This is zhangsan”,strlen(“This is zhangsan”)+1,0);

              closesocket(sockClient);

              WSACleanup();

              }

              注:這是Client端;File->New->Win32 Console Application,工程名:TcpClient;然后,File->New->C++ Source File,文件名:TcpClient;同理,在該工程的Setting的Link的Object/library modules項要加入ws2_32.lib

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