《網(wǎng)絡(luò)程序設(shè)計》實驗1_控制臺方式Winsock流套接字客戶服務(wù)器通信.doc

蘇州大學實驗報告院、系文正學院年級專業(yè) 12物聯(lián)網(wǎng)姓名高成波學號1217443036課程名稱網(wǎng)絡(luò)程序設(shè)計成績指導教師陸建德同組實驗者無實驗日期第5頁，共5頁教務(wù)處制實 驗 名 稱實驗一 控制臺方式Winsock流套接字客戶服務(wù)器通信一. 實驗內(nèi)容（要求先完成題目，然后上機驗證）本實驗利用Winsock API進行網(wǎng)絡(luò)程序設(shè)計。參照課本示例，完成控制臺方式下流式套接字C/S通信的客戶與服務(wù)器端程序，并上機調(diào)試。要求可以實現(xiàn)本機兩進程間以及在同一網(wǎng)絡(luò)內(nèi)不同主機之間的通信，要求做到：每次客戶端向服務(wù)器發(fā)出請求、報出自己的姓名name，服務(wù)器回答一條消息給客戶：“name，你好！你是訪問我服務(wù)的第num個用戶?！?，客戶端收到該消息后在自己的屏幕上顯示。實驗報告內(nèi)容包括主要的實驗代碼、必要的注釋或另外的說明文檔以及實驗結(jié)果與分析。服務(wù)器程序#include #define BUF_SZIE 64#include winsock2.h#pragma comment(lib, ws2_32.lib)int main(int argc, char* argv)WSADATAwsd;/WSADATA變量SOCKETsServer;/服務(wù)器套接字SOCKETsClient;/客戶端套接字SOCKADDR_INaddrServ;/服務(wù)器地址charbufBUF_SZIE;/接收數(shù)據(jù)緩沖區(qū)char bufSendBUF_SZIE;/發(fā)送數(shù)據(jù)緩沖區(qū)intretVal;/返回值int n=1; /計數(shù)/初始化套結(jié)字動態(tài)庫if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)printf(WSAStartup failed!n);return 1;/創(chuàng)建套接字sServer = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);if(INVALID_SOCKET = sServer)printf(socket failed!n);WSACleanup();/釋放套接字資源;return -1;/服務(wù)器套接字地址 addrServ.sin_family = AF_INET;addrServ.sin_port = htons(6000);addrServ.sin_addr.s_addr = INADDR_ANY;/綁定套接字retVal = bind(sServer, (LPSOCKADDR)&addrServ, sizeof(SOCKADDR_IN);if(SOCKET_ERROR = retVal)printf(bind failed!n);closesocket(sServer);/關(guān)閉套接字WSACleanup();/釋放套接字資源;return -1;/開始監(jiān)聽 retVal = listen(sServer,1);if(SOCKET_ERROR = retVal)printf(listen failed!n);closesocket(sServer);/關(guān)閉套接字WSACleanup();/釋放套接字資源;return -1;/接受客戶端請求sockaddr_in addrClient;int addrClientlen = sizeof(addrClient); sClient = accept(sServer,(sockaddr FAR*)&addrClient, &addrClientlen);if(INVALID_SOCKET = sClient)printf(accept failed!n);closesocket(sServer);/關(guān)閉套接字WSACleanup();/釋放套接字資源;return -1;/接收客戶端數(shù)據(jù)for( ; ; ) ZeroMemory(buf, BUF_SZIE);retVal = recv(sClient, buf, BUF_SZIE, 0);if (SOCKET_ERROR = retVal)printf(recv failed!n);closesocket(sServer);/關(guān)閉套接字closesocket(sClient);/關(guān)閉套接字WSACleanup();/釋放套接字資源;return -1;printf(%s，你好！你是連接我的第%d個客戶。n, buf,n);/輸出name/向客戶端發(fā)送數(shù)據(jù)char str1100,str2100; itoa(n, str1, 10); strcpy(bufSend , You are the );strcpy(str2 , th one connected to me.);strcat(bufSend , str1);strcat(bufSend , str2);n = atoi(str1);retVal = send(sClient, bufSend, strlen(bufSend) +1, 0);if (SOCKET_ERROR = retVal)printf(send failed!n);closesocket(sClient);/關(guān)閉套接字closesocket(sServer);WSACleanup();/釋放套接字資源return -1;n+;/退出closesocket(sServer);/關(guān)閉套接字closesocket(sClient);/關(guān)閉套接字WSACleanup();/釋放套接字資源;return 0;客戶端程序#include #defineBUF_SZIE 64#include winsock2.h#pragma comment(lib, ws2_32.lib)int main(int argc, char* argv)WSADATAwsd; /WSADATA變量SOCKETsHost; /服務(wù)器套接字SOCKADDR_INservAddr; /服務(wù)器地址charbufBUF_SZIE; /接收數(shù)據(jù)緩沖區(qū)char recvBufBUF_SZIE;/發(fā)送數(shù)據(jù)緩沖區(qū)intretVal; /返回值/初始化套結(jié)字動態(tài)庫if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)printf(WSAStartup failed!n);return -1;/創(chuàng)建套接字sHost = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);if(INVALID_SOCKET = sHost)printf(socket failed!n);WSACleanup();/釋放套接字資源return -1;/設(shè)置服務(wù)器地址servAddr.sin_family =AF_INET;servAddr.sin_addr.s_addr = inet_addr(127.0.0.1); /該inet_addr函數(shù)將字符串包含一個互聯(lián)網(wǎng)協(xié)議地址（IPv4）點到一個適當?shù)牡刂窞閕n_addr結(jié)構(gòu)。servAddr.sin_port = htons(6000);intnServAddlen = sizeof(servAddr);/連接服務(wù)器retVal=connect(sHost,(LPSOCKADDR)&servAddr, sizeof(servAddr);if(SOCKET_ERROR = retVal)printf(connect failed!n);closesocket(sHost);/關(guān)閉套接字WSACleanup();/釋放套接字資源return -1;/向服務(wù)器發(fā)送數(shù)據(jù)while (1) ZeroMemory(buf, BUF_SZIE);gets(buf);retVal = send(sHost, buf, strlen(buf), 0);if (SOCKET_ERROR = retVal)printf(send failed!n);closesocket(sHost);/關(guān)閉套接字WSACleanup();/釋放套接字資源return -1;/接收數(shù)據(jù)retVal = recv(sHost, recvBuf, BUF_SZIE, 0);if (SOCKET_ERROR = retVal)printf(recv failed!n);closesocket(sHost);/關(guān)閉套接字WSACleanup();/釋放套接字資源return -1;printf(%sn, recvBuf);/退出closesocket(sHost);/關(guān)閉套接字WSACleanup();/釋放套接字資源return 0;實驗結(jié)果：在客戶端窗口輸入姓名后，服務(wù)器端窗口會返回一個語句告訴客戶端是第幾個連接到上面的用戶。同時，在客戶端也會有相應(yīng)的反饋語句，并且可以連續(xù)輸入。實驗分析：本次實驗的前半部分，即由客戶端輸入名字，在