backup.cpp

本系统为单机版视频管理系统

// Backup.cpp : implementation file
//

#include "stdafx.h"
#include "Capture.h"
#include "Backup.h"
#include "DataManage.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

#define WM_NOMAL WM_USER+101
#define WM_BACKUP WM_USER+102

#define WM_QUITAPP WM_USER+103

CEvent CBackup::s_normal;
HWND CBackup::s_hWnd;

	CWinThread * pthread;
	BOOL terminated = false;
/////////////////////////////////////////////////////////////////////////////
// CBackup dialog

extern CDataManage dataManage;

CBackup::CBackup(CWnd* pParent /*=NULL*/)
	: CDialog(CBackup::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBackup)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CBackup::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBackup)
	DDX_Control(pDX, IDC_EDIT1, m_dir);
	DDX_Control(pDX, IDC_PROGRESS1, m_progress);
	DDX_Control(pDX, IDC_BUTTONBROUWN, m_brown);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CBackup, CDialog)
	//{{AFX_MSG_MAP(CBackup)
	ON_MESSAGE(WM_NOMAL,OnNomal)
	ON_MESSAGE(WM_QUITAPP,OnQuit)    
	ON_BN_CLICKED(IDC_BUTTONBACKUP, OnButtonbackup)
	ON_BN_CLICKED(IDC_BUTTONCANCEL, OnButtoncancel)
	ON_MESSAGE(WM_BACKUP,OnBackup)
	ON_BN_CLICKED(IDC_BUTTONBROUWN, OnButtonbrouwn)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBackup message handlers

void CBackup::OnOK() 
{
	// TODO: Add extra validation here
	
}


void CBackup::OnButtonbackup() 
{
	CString m_filename;
	m_dir.GetWindowText(m_filename);
	if (! m_filename.IsEmpty())
	{
		CString sql;
		sql.Format("backup database DB_Capture to disk = '%s'",m_filename);
		try
		{

			dataManage.p_Con->Execute((_bstr_t)sql,NULL,adCmdText);

		//	s_hWnd = this->GetSafeHwnd();
		//	pthread = 	AfxBeginThread(DoBackup,s_hWnd);
			MessageBox("备份成功.","提示");
			
		}
		catch(_com_error &e)
		{
			MessageBox(e.Description());
		}
	}
	else
		MessageBox("请输入备份文件.");
}

void CBackup::OnButtoncancel() 
{
	EndDialog(0);	
}
void CBackup::OnNomal()
{
	m_progress.StepIt();
	m_progress.SetPos(m_progress.GetPos()+1);
	if (m_progress.GetPos()>=100) 
	{
		s_hWnd = 0;
		s_normal.SetEvent();
		//AfxEndThread(0,true);
	}
}
UINT CBackup::DoBackup(LPVOID pParam)
{

	while( WaitForSingleObject(s_hWnd,0)!=WAIT_OBJECT_0)
	{
		::SendMessage(CBackup::s_hWnd,WM_NOMAL,NULL,NULL);
		//::SendMessage(CBackup::s_hWnd,WM_BACKUP,0,0);
	}

::PostMessage(CBackup::s_hWnd,WM_QUITAPP,0,0);

//	delete pthread;

	
	//AfxEndThread(0);
	return 0;
}

BOOL CBackup::OnInitDialog() 
{
	CDialog::OnInitDialog();
	m_progress.SetRange(0,100);
	m_progress.SetStep(1);
	
	return TRUE;  
}

void CBackup::OnBackup()
{


}

void CBackup::OnButtonbrouwn() 
{
	CFileDialog m_file(false,"bak","Capture");
	if (m_file.DoModal()==IDOK)
	{
		CString temp = m_file.GetPathName();
		m_dir.SetWindowText(temp);
	}
}

void CBackup::OnQuit()
{
	//pthread->ResumeThread();
	TerminateThread(*pthread,0);
}