套接字練習(xí)課程名稱網(wǎng)絡(luò)通信協(xié)議及編程技術(shù)

1：套接字編程練習(xí)時間：20153171—學(xué)號 ：班級：計本8理解TCP/IPWindowsSocketWindowsSocketAPIC/S（包1Socket2、客戶機向服務(wù)器發(fā)送信息（如字符串“o”）4WIN32Windows2000，WindowsSocketAPI，VisualStudio1Socket//Makeaconnectiontotheserverwithsocketif(connect(s,(SOCKADDR*)&ServerAddr,=={printf("connectfailedwitherror%d\n",WSAGetLastError());}//Createanewsockettolisteningfor=={printf("socketfailedwitherror%d\n",WSAGetLastError());}//SetupaSOCKADDR_INstructurethatwilllbindthat//wanttolistenforconnectionsonallinterfacesusing//5150.NoticehowweconvertthePortvariablefromhost//ordertonetworkbyteServerAddr.sin_family=AF_INET;//Associatetheaddressinformationwiththesocketusing=={printf("bindfailedwitherror%d\n",WSAGetLastError());}//Listenforconnections.Weusedabacklogof5which//normalformanyif(listen(ListeningSocket,5)=={printf("listenfailedwitherror%d\n",WSAGetLastError());}printf("提示一：等待與客戶端%d建立連接.\nPort);AddrLen=sizeof(SOCKADDR);//Acceptanewconnectionwhenoneif((NewConnection=accept(ListeningSocket,(SOCKADDR*)&&AddrLen))=={printf("acceptfailedwitherror%d\n",WSAGetLastError());}//Atthispointyoucandotwothingswiththesesockets.//formoreconnectionsbycallingacceptagainon//andstartsendingorreceivingdataonNewConnection.//simplicityWewillstoplisteningformoreconnectionsby//ListeningSocket.Wewillstartsendingandreceivingdata//2、客戶機向服務(wù)器發(fā)送信息（如字符串“o”）//Atthispointyoucanstartsendingorreceivingdata//thesockets.Wewilljustsendaomessagetotheserver.if((Ret=send(s,"o",6,0))=={printf("sendfailedwitherror%d\n",WSAGetLastError());}=={printf("recvfailedwitherror%d\n",WSAGetLastError())