實驗報告與視頻-實驗一

實驗?zāi)空莆誄lient/Server結(jié)構(gòu)的設(shè)計與開發(fā)方掌握Socket實驗環(huán)編譯器實驗內(nèi)容與結(jié)果TCP/IP網(wǎng)絡(luò)環(huán)境下，不同主機上的兩個應(yīng)用程序通信Winsock的啟動和終止——WSAStaruop(和WSACleanup(創(chuàng)建套接字——socket()綁定本地地址——bind(偵聽連接——listen()建立套接字連接——accept()和connect()面向連接的數(shù)據(jù)傳輸——send()和recv()無連接的數(shù)據(jù)傳輸snedto()和recvfrom(輸入輸出多路復(fù)用——select())時間函數(shù)——GetLocalTime(WSAStaruop的函數(shù)如下intWSAStartup(WORDwVersionRequested,LPWSADATA的副版本，低位字節(jié)指定Winsock的主版本，然后用MAKEWORD(X,Y)宏獲 //WinsockWORDwHighVersion;WinsockcharszDescription[WSADESCRIPTION_LEN+1];//套接字實現(xiàn)描述unsignedshortiMaxSockets;最大套接字?jǐn)?shù)unsignedshortiMaxUdpDg;//最大數(shù)據(jù)報長度charFAR*IpVendorInfo;}WSADATA,FAR intSOCKETsocket(intaf,inttype,intaf：指定網(wǎng)絡(luò)地址族，一般為AF_INET。 protocol：指定網(wǎng)絡(luò)協(xié)議，一般為0，表示默認(rèn)的TCP/IP協(xié)intbind(SOCKETs,conststructsockaddtFAR*name,int參數(shù)說 namesockaddrnamelensockaddrsockddrTCP/IPstruct sin_family;//指定地址族，一般為AF_INET structin_addrsin_addr；//IP sin_zero[8IPin_addrin_addr{{struct{u_shorts_w1,s_w2;}S_un_w;u_longintlisten(SOCKETs,int 指定正在等待連接的隊列的最大長度，可取1~5。SOCKETaccept(SOCKETs,structsockaddrFAR*addr,intFAR*s：指定處于狀態(tài)的套接字句柄。 指定一個有效的SOCKADDR_IN結(jié)構(gòu)地址。addrlen：指定SOCKADDR_IN結(jié)構(gòu)的長度。accept函數(shù)返回后，addr變量中會包含請求連接的客戶IP地址，并返回 d(SOCKETs,constcharFAR*buf,intlen,intflagss：指定發(fā)送端套接字描 一般置0。intrecv(SOCKETs,charFAR*buf,intlen,intflagss：指定接收端套接字描*bufrecvlenbufflags：一般置0 dto（SOCKETs，constcharFAR*buf，intlen,intflags，conststructsockaddrFAR*to，inttolen；intrecvfrom（SOCKETs,charFAR*buf，intlen,intflags，structsockaddrFAR**from，intFAR*fromlen；intselect(intnfds,fd_setFAR*readfds,fd_setFAR*writefds,fd_setFAR*exceptfds,conststructtimevalFAR*timeout);nfds：本參數(shù)忽略，僅起到兼容作用 readfds：writefds（exceptfds（timeout：select()最多等待時間，對阻塞操作則為NULL。intclosesocket（socket程序（手寫或者打印后作為附件程序的運行和（提供截圖Windows6.1.7600](c)2009Corporation。保留所利。 [simplex-talkclient]connectiontolocalhostis[simplex-talkclient]pleaseinputyourmessage(emptyinputtohalt):[simplex-talkclient]send6charstoserver201311313:51:09.4452013113Windows6.1.7600](c)2009Corporation。保留所利。 [simplex-talkclient]connectiontolocalhostis[simplex-talkclient]pleaseinputyourmessage(emptyinputtohalt):[simplex-talkclient]send6charstoserver201311313:51:09.4452013113Windows6.1.7600](c)2009Corporation。保留所利。 [simplex-talkclient]connectiontolocalhostis[simplex-talkclient]pleaseinputyourmessage(emptyinputtohalt):[simplex-talkclient]send6charstoserver201311313:51:09.4452013113Windows6.1.7600](c)2009Corporation。保留所利。 [simplex-talkclient]connectiontolocalhostis[simplex-talkclient]pleaseinputyourmessage(emptyinputtohalt):[simplex-talkclient]send6charstoserver201311313:51:09.4452013113Windows6.1.7600](c)2009Corporation。保留所利。 [simplex-talkclient]connectiontolocalhostis[simplex-talkclient]pleaseinputyourmessage(emptyinputtohalt):[simplex-talkclient]send6charstoserver201311314:03:56.148No2013113[simplex-talkclient]send6charstoserver20131132013113Windows6.1.7600](c)2009Corporation。保留所利。 [simplex-talkclient]connectiontolocalhostis[simplex-talkclient]pleaseinputyourmessage(emptyinputtohalt):[simplex-talkclient]send6charstoserver201311314:03:56.148No2013113[simplex-talkclient]send6charstoserver20131132013113Windows6.1.7600](c)2009Corporation。保留所利。 [simplex-talkclient]connectiontolocalhostis[simplex-talkclient]pleaseinputyourmessage(emptyinputtohalt):[simplex-talkclient]send6charstoserver201311314:03:56.148No2013113[simplex-talkclient]send6charstoserver20131132013113Windows6.1.7600](c)2009Corporation。保留所利。 [simplex-talkclient]connectiontolocalhostis[simplex-talkclient]pleaseinputyourmessage(emptyinputtohalt):[simplex-talkclient]send6charstoserver201311314:03:56.148No2013113[simplex-talkclient]send6charstoserver20131132013113實驗中的問題如遇到無法編譯的問題，經(jīng)過改正，發(fā)現(xiàn)codeblocks只有在主函數(shù)默認(rèn)為main.c情況下才會編譯成功，然后是sleep函數(shù)，第一個S大寫才能通過。最后是附程序源代碼（只附主要部分代碼while len=recv(new_s,buf,sizeof(buf),/*wliucomments:modifiedtostopsending*/if(strlen(buf)==0) /*wliucomments:receivedemptymessage*/printf("[simplex-talkserver]emptymessageis}

elseprintf("[simplex-talkserver]received%d\n",fputs(buf,stdout); ACKto

}}if(strlen(buf)==1 /*wliucomments:userinputemptymessagewith

buf[0]=send(s,buf,1,printf("[simplex-talkclient]emptymessageissend}elsebuf[MAX_BUFSIZE-1]=len=strlen(buf)+1;send(s,buf,len,0); server\n",strlen(buf)); printf("NoAck\n"); server\n",strlen(buf)); }}while len=recv(new_s,buf,sizeof(buf),/*wliucomments:modifiedtostopsending*/if(strlen(buf)==0) /*wliucomments:receivedemptymessage*/printf("[simplex-talkserver]emptymessageis}elseprintf("[simplex-talkserver]received%d\n",fputs(buf,stdout); printf("sendACKto server]received%dchars\n",fputs(buf,stdout); }}if(strlen(buf)==1 /*wliucomments:userinputemptymessagewith

buf[0]=send(s,buf,1,printf("[simplex-talkclient]emptymessageissend}elsebuf[MAX_BUFSIZE-1]=len=strlen(buf)+1;send(s,buf,len,0);printf("[simplex- printf("NoAck\n"); server\n",strlen(buf)); }}while len=recv(new_s,buf,sizeof(buf),/*wliucomments:modifiedtostopsending*/if(strlen(buf)==0) /*wliucomments:receivedemptymessage}

printf("[simplex-talkserver]emptymessageiselseprintf("[simplex-talkserver]received%d\n",fputs(buf,stdout); ACKto

printf("[simplex-talkserver]received%dchars\n",fputs(buf,stdout); ACKto

}}if(strlen(buf)==1 /*wliucomments:use