ClientDlg.cpp
上传用户:xsxdsb
上传日期:2009-12-14
资源大小:672k
文件大小:7k
- // ClientDlg.cpp : implementation file
- //
- #include "stdafx.h"
- #include "Client.h"
- #include "ClientDlg.h"
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
- /////////////////////////////////////////////////////////////////////////////
- // CAboutDlg dialog used for App About
- class CAboutDlg : public CDialog
- {
- public:
- CAboutDlg();
- // Dialog Data
- //{{AFX_DATA(CAboutDlg)
- enum { IDD = IDD_ABOUTBOX };
- //}}AFX_DATA
- // ClassWizard generated virtual function overrides
- //{{AFX_VIRTUAL(CAboutDlg)
- protected:
- virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
- //}}AFX_VIRTUAL
- // Implementation
- protected:
- //{{AFX_MSG(CAboutDlg)
- //}}AFX_MSG
- DECLARE_MESSAGE_MAP()
- };
- CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
- {
- //{{AFX_DATA_INIT(CAboutDlg)
- //}}AFX_DATA_INIT
- }
- void CAboutDlg::DoDataExchange(CDataExchange* pDX)
- {
- CDialog::DoDataExchange(pDX);
- //{{AFX_DATA_MAP(CAboutDlg)
- //}}AFX_DATA_MAP
- }
- BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
- //{{AFX_MSG_MAP(CAboutDlg)
- // No message handlers
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // CClientDlg dialog
- CClientDlg::CClientDlg(CWnd* pParent /*=NULL*/)
- : CDialog(CClientDlg::IDD, pParent)
- {
- //{{AFX_DATA_INIT(CClientDlg)
- // NOTE: the ClassWizard will add member initialization here
- //}}AFX_DATA_INIT
- // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
- m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
- m_hSocket = NULL;
- }
- void CClientDlg::DoDataExchange(CDataExchange* pDX)
- {
- CDialog::DoDataExchange(pDX);
- //{{AFX_DATA_MAP(CClientDlg)
- DDX_Control(pDX, ID_SERVER, m_ctrlServer);
- //}}AFX_DATA_MAP
- }
- BEGIN_MESSAGE_MAP(CClientDlg, CDialog)
- //{{AFX_MSG_MAP(CClientDlg)
- ON_WM_SYSCOMMAND()
- ON_WM_PAINT()
- ON_WM_QUERYDRAGICON()
- ON_BN_CLICKED(IDC_SYNCH, OnSynch)
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // CClientDlg message handlers
- BOOL CClientDlg::OnInitDialog()
- {
- CDialog::OnInitDialog();
- // Add "About..." menu item to system menu.
- // IDM_ABOUTBOX must be in the system command range.
- ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
- ASSERT(IDM_ABOUTBOX < 0xF000);
- CMenu* pSysMenu = GetSystemMenu(FALSE);
- if (pSysMenu != NULL)
- {
- CString strAboutMenu;
- strAboutMenu.LoadString(IDS_ABOUTBOX);
- if (!strAboutMenu.IsEmpty())
- {
- pSysMenu->AppendMenu(MF_SEPARATOR);
- pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
- }
- }
- // Set the icon for this dialog. The framework does this automatically
- // when the application's main window is not a dialog
- SetIcon(m_hIcon, TRUE); // Set big icon
- SetIcon(m_hIcon, FALSE); // Set small icon
-
- // TODO: Add extra initialization here
-
- return TRUE; // return TRUE unless you set the focus to a control
- }
- void CClientDlg::OnSysCommand(UINT nID, LPARAM lParam)
- {
- if ((nID & 0xFFF0) == IDM_ABOUTBOX)
- {
- CAboutDlg dlgAbout;
- dlgAbout.DoModal();
- }
- else
- {
- CDialog::OnSysCommand(nID, lParam);
- }
- }
- // If you add a minimize button to your dialog, you will need the code below
- // to draw the icon. For MFC applications using the document/view model,
- // this is automatically done for you by the framework.
- void CClientDlg::OnPaint()
- {
- if (IsIconic())
- {
- CPaintDC dc(this); // device context for painting
- SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
- // Center icon in client rectangle
- int cxIcon = GetSystemMetrics(SM_CXICON);
- int cyIcon = GetSystemMetrics(SM_CYICON);
- CRect rect;
- GetClientRect(&rect);
- int x = (rect.Width() - cxIcon + 1) / 2;
- int y = (rect.Height() - cyIcon + 1) / 2;
- // Draw the icon
- dc.DrawIcon(x, y, m_hIcon);
- }
- else
- {
- CDialog::OnPaint();
- }
- }
- // The system calls this to obtain the cursor to display while the user drags
- // the minimized window.
- HCURSOR CClientDlg::OnQueryDragIcon()
- {
- return (HCURSOR) m_hIcon;
- }
- void CClientDlg::OnSynch()
- {
- //得到服务器IP地址
- BYTE b1,b2,b3,b4;
- m_ctrlServer.GetAddress(b1,b2,b3,b4);
- char strServer[256];
- memset(strServer,0,256);
- sprintf(strServer,"%d.%d.%d.%d",b1,b2,b3,b4);
- //设置客户端要同步的服务器的sockaddr_in结构
- m_ServerAddr.sin_family = AF_INET;
- m_ServerAddr.sin_port = htons(CONNECE_PORT);
- m_ServerAddr.sin_addr.s_addr = inet_addr(strServer);
-
- m_hSocket = NULL;
- //连接服务器
- ContactServer();
-
- }
- void CClientDlg::ContactServer()
- {
- ASSERT(m_hSocket == NULL);
- WORD wVersionRequested;
- WSADATA wsaData;
- int nErr;
- wVersionRequested = MAKEWORD( 2, 0 );
- //加载所需的Winsock dll版本
- nErr = WSAStartup( wVersionRequested, &wsaData );
- if(nErr)
- {
- AfxMessageBox("加载Winsock DLL 出错");
- return;
- }
- if((m_hSocket = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
- {
- AfxMessageBox("创建Socket失败");
- return;
- }
-
- //连接服务器
- ASSERT(m_hSocket != NULL);
- if(connect(m_hSocket, (sockaddr*)&m_ServerAddr, sizeof(SOCKADDR)) == SOCKET_ERROR)
- {
- AfxMessageBox("连接服务器失败");
- return;
- }
- //构造消息命令串,此处的消息命令串比较简单,
- //只有Get Time八个字符
- CString strMsg = "Get Time";
- int nLen = strMsg.GetLength();
- //向服务器端发送消息请求
- FD_SET fd = {1, m_hSocket};
- TIMEVAL tv = {TIME_OUT,0};
- if(select(0, NULL, &fd, NULL, &tv) == 0)
- {
- AfxMessageBox("发送超时");
- return;
- }
- int nBytesSent;
- if((nBytesSent = send(m_hSocket, strMsg, nLen, 0)) == SOCKET_ERROR)
- {
- AfxMessageBox("发送数据失败");
- return;
- }
- if (nBytesSent == nLen) // 发送成功
- {
- //收取数据
- char m_pReadBuf[256];
- //循环等待服务器的相应消息
- while(1)
- {
- //给接受数据缓冲区清零
- memset(m_pReadBuf,0,256);
- if(select(0, &fd, NULL, NULL, &tv) == 0)
- {
- AfxMessageBox("接受超时");
- return;
- }
- //接收数据
- int nBytesReceived;
- if((nBytesReceived = recv(m_hSocket, m_pReadBuf, 255, 0)) == SOCKET_ERROR)
- {
- AfxMessageBox("接受数据失败");
- return;
- }
-
- //如果接受到的数据长度大于0,则退出循环,否则循环等待
- if (nBytesReceived > 0)
- break;
- };
- char strCommand[9];
- memset(strCommand,0,9);
- strncpy(strCommand,m_pReadBuf,8);
- if (strcmp(strCommand,"Set Time") == 0)
- {
- char sYear[5],sMonth[3],sDay[3],sHour[3],sMinute[3],sSecond[3];
- memset(sYear,0,5);
- memset(sMonth,0,3);
- memset(sDay,0,3);
- memset(sHour,0,3);
- memset(sMinute,0,3);
- memset(sSecond,0,3);
-
- //分析读到的数据格式,从中解析出时间数据
- strncpy(sYear,m_pReadBuf+8,4);
- strncpy(sMonth,m_pReadBuf+12,2);
- strncpy(sDay,m_pReadBuf+14,2);
- strncpy(sHour,m_pReadBuf+16,2);
- strncpy(sMinute,m_pReadBuf+18,2);
- strncpy(sSecond,m_pReadBuf+20,2);
- //根据服务器发过来的时间数据设置本机时间
- SYSTEMTIME time;
- time.wYear = atoi(sYear);
- time.wMonth = atoi(sMonth);
- time.wDay = atoi(sDay);
- time.wHour = atoi(sHour);
- time.wMinute = atoi(sMinute);
- time.wSecond = atoi(sSecond);
- time.wMilliseconds = 0;
- time.wDayOfWeek = 0;
-
- SetLocalTime(&time);
- }
- }
- // 关闭Socket
- if(closesocket(m_hSocket) == SOCKET_ERROR)
- {
- AfxMessageBox("关闭连接失败");
- m_hSocket = NULL;
- return;
- }
-
- }