createfiledlg.cpp

操作系统课程设计文件系统,我们操作系统课程的一个作业

// createfileDlg.cpp : implementation file
//

#include "stdafx.h"
#include "createfile.h"
#include "createfileDlg.h"
#include "windows.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()

/////////////////////////////////////////////////////////////////////////////
// CCreatefileDlg dialog

CCreatefileDlg::CCreatefileDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCreatefileDlg::IDD, pParent)
	, buffer(0)
	, buffer0(0)
{
	//{{AFX_DATA_INIT(CCreatefileDlg)
	m_edit = 0.0;
	m_cache = -1;
	m_state = _T("当前状态：未开启高速缓存");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCreatefileDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCreatefileDlg)
	DDX_Text(pDX, IDC_EDIT1, m_edit);
	DDX_Radio(pDX, IDC_RADIO1, m_cache);
	DDX_Text(pDX, IDC_LabelState, m_state);
	//}}AFX_DATA_MAP
	DDX_Control(pDX, IDCANCEL, buffer1);
}

BEGIN_MESSAGE_MAP(CCreatefileDlg, CDialog)
	//{{AFX_MSG_MAP(CCreatefileDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_RADIO1, OnRadio1)
	ON_BN_CLICKED(IDC_RADIO2, OnRadio2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCreatefileDlg message handlers

BOOL CCreatefileDlg::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 CCreatefileDlg::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 CCreatefileDlg::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 CCreatefileDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}





void CCreatefileDlg::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData(TRUE);

	LARGE_INTEGER litmp;
	LONGLONG qt1,qt2;
	double dft,dff,dfm;

	QueryPerformanceFrequency(&litmp);
	dff=(double)litmp.QuadPart;//获得时钟频率
	QueryPerformanceCounter(&litmp);
	qt1=litmp.QuadPart;//获得初始count值
    char buf[512];
	CString name[]={"f:\\f0.txt","f:\\f1.txt","f:\\f2.txt","f:\\f3.txt","f:\\f4.txt","f:\\f5.txt","f:\\f6.txt","f:\\f7.txt","f:\\f8.txt","f:\\f9.txt","f:\\f10.txt"};
//----------------------------------------------------------------	
	//if(m_state==0){
		for(int x=0;x<10;x++)
		{
			DWORD n;
			DWORD m;
			DWORD dwSize=512;
			hf = CreateFile (name[x], GENERIC_READ, FILE_SHARE_WRITE, NULL, OPEN_EXISTING,0, NULL);
			if( hf == INVALID_HANDLE_VALUE )
				{
					AfxMessageBox( "所选磁盘格式无法读取\n\n请重新选择磁盘" );
					return;
				}
			tf = CreateFile (name[x+1], GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS,0, NULL);
			do 
			{
				ReadFile(hf, buf, dwSize, &n, NULL);
				WriteFile(tf, buf, n, &m, NULL);
			}
			while(dwSize==n);
			CloseHandle( hf );
			CloseHandle( tf );
		}
//	}
//-------------------------------------------------------------------------
//	else{
//		for(int x=0;x<10;x++)
//		{
//			DWORD n;
//			DWORD m;
//			DWORD dwSize=512;
//			hf = CreateFile (name[x], GENERIC_READ, FILE_SHARE_WRITE, NULL, OPEN_EXISTING,FILE_FLAG_NO_BUFFERING, NULL);
//			if( hf == INVALID_HANDLE_VALUE )
//				{
//					AfxMessageBox( "所选磁盘格式无法读取\n\n请重新选择磁盘" );
//					return;
//				}
//				tf = CreateFile (name[x+1], GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS,FILE_FLAG_NO_BUFFERING, NULL);
//			do 
//			{
//				ReadFile(hf, buf, dwSize, &n, NULL);    	    
//				WriteFile(tf, buf, n, &m, NULL);
//			}
//		while(dwSize==n);
//			CloseHandle( hf );
//			CloseHandle( tf );
//		}
//	}
//-----------------------------------------------------------------------------
	QueryPerformanceCounter(&litmp);//获得终止值
	qt2=litmp.QuadPart;
	dfm=(double)(qt2-qt1);
	dft=dfm/dff;//获得对应的时间值
	m_edit=dft;
	UpdateData(FALSE);
}	



void CCreatefileDlg::OnRadio1() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_state="当前状态：开启高速缓存";
	UpdateData(FALSE);
}

void CCreatefileDlg::OnRadio2() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_state="当前状态：未开启高速缓存";
	UpdateData(FALSE);
}