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// ServerDlg.cpp : implementation file // download by http://www.NewXing.com #include "stdafx.h" #include "Server.h" #include "ServerDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif SOCKET g_hSocket = NULL; UINT ServerThreadProc(LPVOID pParam) { sockaddr_in saClient; SOCKET sockTemp = NULL; ASSERT(g_hSocket != NULL); int nLengthAddr = sizeof(SOCKADDR); //成功连接后返回实际连接的SOCKET句柄 sockTemp = accept(g_hSocket, (sockaddr*)&saClient, &nLengthAddr); if(sockTemp == INVALID_SOCKET ) { if(WSAGetLastError() != WSAEINTR) { AfxMessageBox("调用Accept函数失败"); } return 1; } // 接受了客户端的连接请求后,立即启动一线程重新开始监听 AfxBeginThread(ServerThreadProc,pParam); char sCommand[256]; memset(sCommand,0,256); int nBytesReceived; if((nBytesReceived = recv(sockTemp, sCommand, 255, 0)) == SOCKET_ERROR) { AfxMessageBox("接受数据失败"); return 1 ; } if (nBytesReceived == 0) return 1; //查找是否含有目标命令串 if (strcmp(sCommand,"Get Time") == 0) { char sBuff[256]; memset(sBuff,0,256); //读取服务器当前时间 SYSTEMTIME time; GetLocalTime(&time); sprintf(sBuff,"Set Time%4d%2d%2d%2d%2d%2d", time.wYear,time.wMonth,time.wDay, time.wHour,time.wMinute,time.wSecond); //发送数据 int nBytesSent; if((nBytesSent = send(sockTemp, sBuff, strlen(sBuff), 0)) == SOCKET_ERROR) { AfxMessageBox("发送数据失败"); return 1; } } // 关闭Socket if(closesocket(sockTemp) == SOCKET_ERROR) { AfxMessageBox("关闭连接失败"); sockTemp = NULL; return 1; } return 0; } ///////////////////////////////////////////////////////////////////////////// // 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() ///////////////////////////////////////////////////////////////////////////// // CServerDlg dialog CServerDlg::CServerDlg(CWnd* pParent /*=NULL*/) : CDialog(CServerDlg::IDD, pParent) { //{{AFX_DATA_INIT(CServerDlg) // 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); } void CServerDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CServerDlg) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CServerDlg, CDialog) //{{AFX_MSG_MAP(CServerDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_START, OnStart) ON_BN_CLICKED(IDC_END, OnEnd) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CServerDlg message handlers BOOL CServerDlg::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 CServerDlg::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 CServerDlg::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 CServerDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CServerDlg::OnStart() { sockaddr_in saServer; saServer.sin_family = AF_INET; saServer.sin_port = htons(CONNECE_PORT); saServer.sin_addr.s_addr = htonl(INADDR_ANY); ASSERT(g_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((g_hSocket = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) { AfxMessageBox("创建Socket失败"); return; } //绑定地址 if(bind(g_hSocket, (sockaddr*)&saServer, sizeof(SOCKADDR)) == SOCKET_ERROR) { AfxMessageBox("绑定地址失败"); return; } //监听客户端请求 if(listen(g_hSocket, 5) == SOCKET_ERROR) { AfxMessageBox("监听客户端请求失败"); return; } //启动一线程来处理客户端请求 AfxBeginThread(ServerThreadProc,0); //使开始按钮变灰 GetDlgItem(IDC_START)->EnableWindow(FALSE); } void CServerDlg::OnEnd() { //关闭Socket if(g_hSocket == NULL) return; VERIFY(closesocket(g_hSocket) != SOCKET_ERROR); g_hSocket = NULL; //使开始按钮有效 GetDlgItem(IDC_START)->EnableWindow(TRUE); }