FileCopy1.rar_多文件复制_多线程复制

// FileCopyDlg.cpp : implementation file // #include "stdafx.h" #include "FileCopy.h" #include "FileCopyDlg.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() ///////////////////////////////////////////////////////////// // // 以下为多线程应用 // ///////////////////////////////////////////////////////////// char Buf1[BUFSIZ];//第一个内存区 char Buf2[BUFSIZ];//第二个内存区 int Buf1Size, Buf2Size; HANDLE pRead1, pRead2;//读文件线程事件（信号灯） HANDLE pWrite1, pWrite2;//写文件线程事件（信号灯） HANDLE ReadThreadID, WriteThreadID, EndThreadID;//保存各县城句柄 DWORD WINAPI ReadFileData( LPVOID lpParam ) { FILE* fp; CString FileName = (BSTR)lpParam; ::SysFreeString((BSTR)lpParam); //初始化用户数据 Buf1Size = Buf2Size = BUFSIZ; if( FileName.IsEmpty() || !(fp = fopen(FileName, "rb")) ){ Buf2Size = Buf1Size = 0; return 0; } for(; Buf2Size == BUFSIZ; ){ WaitForSingleObject(pWrite1, INFINITE); ResetEvent(pWrite1); Buf1Size = fread(Buf1, 1, BUFSIZ, fp); SetEvent(pRead1); if(Buf1Size < BUFSIZ) break; WaitForSingleObject(pWrite2, INFINITE); ResetEvent(pWrite2); Buf2Size = fread(Buf2, 1, BUFSIZ, fp); SetEvent(pRead2); } fclose(fp); return 1; } DWORD WINAPI WriteFileData( LPVOID lpParam ) { FILE* fp; CString FileName = (BSTR)lpParam; ::SysFreeString((BSTR)lpParam); SetEvent(pWrite1); SetEvent(pWrite2); if( FileName.IsEmpty() || !(fp = fopen(FileName, "wb")) ) return 0; for(; Buf1Size + Buf2Size > 0; ){ WaitForSingleObject(pRead1, INFINITE);//等待获得对数据块1的操作 ResetEvent(pRead1); fwrite(Buf1, Buf1Size, 1, fp); SetEvent(pWrite1); if(Buf1Size < BUFSIZ) break; WaitForSingleObject(pRead2, INFINITE);//等待获得对数据块2的操作 ResetEvent(pRead2); fwrite(Buf2, Buf2Size, 1, fp); SetEvent(pWrite2); if(Buf2Size < BUFSIZ) break; } fclose(fp); return 1; } DWORD WINAPI EndFileCopy( LPVOID lpParam ) { DWORD ReadThreadExitCord; DWORD WriteThreadExitCord; //WaitForSingleObject(ReadThreadID, INFINITE);//等待读进程结束 WaitForSingleObject(WriteThreadID, INFINITE);//等待写进程结束 TerminateThread(ReadThreadID, -1); GetExitCodeThread(ReadThreadID, &ReadThreadExitCord); GetExitCodeThread(WriteThreadID, &WriteThreadExitCord); if(ReadThreadExitCord >0 && WriteThreadExitCord >0) AfxMessageBox("文件复制完成"); else if( !ReadThreadExitCord ) AfxMessageBox("错误：源文件无法打开"); else AfxMessageBox("错误：无法创建(更新)目标文件"); return 0; } ///////////////////////////////////////////////////////////////////////////// // CFileCopyDlg dialog CFileCopyDlg::CFileCopyDlg(CWnd* pParent /*=NULL*/) : CDialog(CFileCopyDlg::IDD, pParent) { //{{AFX_DATA_INIT(CFileCopyDlg) // 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 CFileCopyDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CFileCopyDlg) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CFileCopyDlg, CDialog) //{{AFX_MSG_MAP(CFileCopyDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON_SRC, OnButtonSrc) ON_BN_CLICKED(IDC_BUTTON_DST, OnButtonDst) ON_BN_CLICKED(ID_COPY, OnCopy) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CFileCopyDlg message handlers BOOL CFileCopyDlg::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 //创建线程同步事件 pRead1 = CreateEvent(NULL, true, false, "FileReadReady1"); pRead2 = CreateEvent(NULL, true, false, "FileReadReady2"); pWrite1 = CreateEvent(NULL, true, false, "FileWriteReady1"); pWrite2 = CreateEvent(NULL, true, false, "FileWriteReady2"); return TRUE; // return TRUE unless you set the focus to a control } BOOL CFileCopyDlg::DestroyWindow() { // TODO: Add your specialized code here and/or call the base class return CDialog::DestroyWindow(); } void CFileCopyDlg::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 CFileCopyDlg::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 CFileCopyDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CFileCopyDlg::OnButtonSrc() { // TODO: Add your control notification handler code here CFileDialog OpenFile(true); OpenFile.DoModal(); CWnd* pEdit = GetDlgItem(IDC_EDIT_SRC); pEdit->SetWindowText(OpenFile.GetPathName()); } void CFileCopyDlg::OnButtonDst() { // TODO: Add your control notification handler code here CFileDialog OpenFile(true); OpenFile.DoModal(); CWnd* pEdit = GetDlgItem(IDC_EDIT_DST); pEdit->SetWindowText(OpenFile.GetPathName()); } void CFileCopyDlg::OnCopy() { // TODO: Add your control notification handler code here CString ReadFile; CString WriteFile; GetDlgItem(IDC_EDIT_SRC)->GetWindowText(ReadFile); GetDlgItem(IDC_EDIT_DST)->GetWindowText(WriteFile); DWORD dwThreadId; if( WaitForSingleObject(EndThreadID, 0) == WAIT_TIMEOUT ){ //多线程正在运行 AfxMessageBox("文件复制线程正在运行，请稍等"); return; } //创建文件复