計(jì)算機(jī)網(wǎng)絡(luò)程序設(shè)計(jì)實(shí)驗(yàn)6

1、北京聯(lián)合大學(xué)信息學(xué)院網(wǎng)絡(luò)程序設(shè)計(jì)實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)序號(hào):姓名:學(xué)號(hào):班級:專業(yè):實(shí)驗(yàn)六、基于mfc的udp協(xié)議的網(wǎng)絡(luò)程序調(diào)試服務(wù)器代碼void cudpsdlg:0nsockct(wparam wparam, lparam 1param)char cs 100=; /定義數(shù)據(jù)緩沖區(qū)if(l par am二二fd_read) /如果是套接字讀取時(shí)間cstring num二”；/定義字符串變量int n=sizeof(addrl);:recvfrom(s, cs, 100, 0, (sockaddr*)&addrl, &n) ; /接收客戶端信息 getdlgltem(idc_edit1

2、)->getwindowtext (num) ; /獲取消息框中的內(nèi)容 num+=z，rn客月端說：；添加冋車換行符 num+= (lptstr) cs; /將接收到的數(shù)據(jù)轉(zhuǎn)換為字符串getdlgltem(1dc_ed1t1)->setwindowtext(num) ; /設(shè)置消息框內(nèi)容 "bool cudpsdlg:ontnitdialog()cdialog:0nlnitdialog ();/ set the ico n for this dialog. the framework does this automatically/ when the applicatio

3、n's nieiin window is not a dialog seticon(m_hlcon, true);/ set big iconseticon(mhlcon, false);/ set small icon/ todo: add extra initialization hereword version = makeword(2, 0);wsadata wsadata;i f(wsastartup(version, &wsadata)messageboxc加載 winsock dll 失敗”);return true;addr.sinfamily=af_tnet;

4、addr sin_port二htons(8088);addr.sin addr.s un. s addr=lnaddr any;s=:socket (af_inet, sock_dgram, 0);:bind(s, (sockaddr*)&addr, sizeof(addr);:wsaasyncselect(s, thi s->m_hwnd, w_s0cket, fd_read) ;/將套接字設(shè)置為異步模式return true; / return true unless you set the focus to a control void cudpsdlg:0npaint()

5、if (isleonic()cpaintdc de (this); / device context for paintingsendmessage(wm_iconerasebkgnd, (wparam) de.getsafehde (), 0);/ center icon in client rectangleint cxlcon = getsystemmetrics(sm_cxic0n);int cylcon = getsystemmetrics(sm_cy1con);crect rect;getclientrect( srect);int x 二(rect. width() - cxtc

6、on + 1) / 2;int y = (rect iieight () - cylcon + 1) / 2;/ draw the iconde. drawlcon(x, y, m hlcon); "elsecdialog:0npaint();void cudpsdlg:0nbuttonl()/ todo: add your control notification handler code here cstring str二"“；int n=sizcof(addrl);getdlgltem(ldc_edlt2)->getwindowtext(str);if(:se

7、ndto(s, str. get buffer (1), str. getl en gth (), 0, (sockaddr* )& addrl, n)/ /發(fā)數(shù)據(jù)到客戶端getdlgitem(idc_edit2)->setwindowtext (); void cudpsdlg:0ndestroy() cdialog:0ndestroy ();/ todo: add your message hemdlcr code here closesocket (s);if (wsacleanupo) messageboxc卸載 winsock dll 失敗);rcturn;客戶端代碼v

8、oid cudpcdlg:0nsocket(wparam wparam, lparam 1param)char cs100二;/定義數(shù)據(jù)緩沖區(qū)if(lparam=fd_read) 如果是套接字讀取吋間cstring num二"；/定義字符串變量int n=sizeof(addrl);:recvfrom(s, cs, 100, 0, (sockaddr*)&addrl, &n) ; /接收客戶端信息 getdlgitem(idc_editl)->getwindowtext(num) ; /獲取消息框中的內(nèi)容 num+=，rn服務(wù)器說：;添加回車換行符num+= (

9、lptstr) cs; /將接收到的數(shù)據(jù)轉(zhuǎn)換為字符串getdlgltem(idc editl) ->setwindowtext (num) ; /設(shè)置消息框內(nèi)容 "00l cudpcdlg:0ninitdialog()cdialog:0ninitdialog ();this/ set the ico n for this dialog. the framework does automatically/ when the application's main window is not a dialog seticon(m hlcon, true) ;/ set big

10、 iconsetlcon(m hlcon, false); / set small icon/ todo: add extra initializeition hereword version = makeword(2,0);wsadata wsadata;i f(wsastartup(version, &wsadata)messagebox c加載 winsock dll 失敗);return true;s=:socket (af_1net, sock_dgram, 0);:wsaasyncselect(s, this->m_hwnd, wm_s0cket, fd_read)

11、;/將套接字設(shè)置為 異步模式return true; / return true unless you set the focus to a control void cudpcdlg:0npaint()if (tstconico)cpaintdc de (this); / device context for paintingsendmessage(wm_iconerasebkgnd, (wparam) de.getsafehdc (), 0);/ center icon in client rectangleint cxlcon = getsystemmetrics(sm_cxic0n);

12、int cylcon = getsystemmetrics(sm_cy1con);crect rect;getclientrect( srect);int x 二(rect. width() - cxtcon + 1) / 2;int y = (rect iieight () - cylcon + 1) / 2;/ draw the iconde. drawlcon(x, y, m hlcon); "elsecdialog:0npaint();void cudpcdlg:0nbuttonl()/ todo: add your control notification handler

13、code herecstring str二“；cstring strl; /定義字符串 int port; /定義端口變量getdlgltem(ldc_edlt3) ->getwindowtext (str) ; /獲取服務(wù)器地址 getdlgltem(idc_edit4) ->getwindowtext (strl) ; /獲取端口號(hào) port=atoi (strl. getbuffer (1) ; /將端口字符串轉(zhuǎn)換為數(shù)字 addr.sinfamily=af_tnet;addr. sin addr. s un. s_addr=inet_addr(str.getbuffer(1);轉(zhuǎn)換服另器ip地址addr. sin_port=htons(port);int n=sizcof(addr);getdlgltem(ldc_edlt2)->getwindowtext(str);if(:se ndto(s, str. get buffer (1), str. getl en gth (), 0, (sockaddr* )& addr,