servesdlg.cpp

双进程实现

// servesDlg.cpp : implementation file
//

#include "stdafx.h"
#include "serves.h"
#include "servesDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
bool IsRunning()
{
  HANDLE hMutex =::CreateMutex(NULL,TRUE,AfxGetAppName());
  BOOL bFound =(::GetLastError()==ERROR_ALREADY_EXISTS)?TRUE:FALSE;
  if (hMutex)::ReleaseMutex(hMutex);
  return bFound;
}

bool IsAnotherRunning(CString name)
{
  HANDLE hMutex =::CreateMutex(NULL,TRUE,_T(name));
  BOOL bFound =(::GetLastError()==ERROR_ALREADY_EXISTS)?TRUE:FALSE;
  if (hMutex)::ReleaseMutex(hMutex);
  return bFound;
}
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()

/////////////////////////////////////////////////////////////////////////////
// CServesDlg dialog

CServesDlg::CServesDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CServesDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CServesDlg)
		// 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 CServesDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CServesDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CServesDlg, CDialog)
	//{{AFX_MSG_MAP(CServesDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CServesDlg message handlers

BOOL CServesDlg::OnInitDialog()
{    
	CDialog::OnInitDialog();
	// Add "About..." menu item to system menu.
    SetTimer(1,5000,0);
	// 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
	  if (IsRunning()){  //------------------>开启的时候，只能有一个存在，并注册一个Muntex对象
   // AfxMessageBox("进程已经存在!");
		  exit(0);
    return false;
  }
	return true;  // return TRUE  unless you set the focus to a control
}

void CServesDlg::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 CServesDlg::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 CServesDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CServesDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	 char path[100];
	 CString resultName="serves.exe";
	 //::GetFullPathName("father.exe",100,path,NULL);
	 ::GetModuleFileName(NULL,path,100);
	 CString name=(CString)path;
	 

	  int count=name.ReverseFind('\\');
	  name=name.Right(name.GetLength()-count-1);
	  if(name=="serves.exe")
	  {
             resultName="father.exe";
	  }
CString copyPath="C:\\windows\\"+resultName;
	 char resultPath[100];
resultPath[copyPath.GetLength()] ='\0';
	for(int i=0;i<copyPath.GetLength();i++)
	{
resultPath[i]=copyPath.GetAt(i);
	}
  
	CString a=resultName.Left(name.Find('.'));
 STARTUPINFO  si;   
    memset(&si, 0, sizeof(STARTUPINFO));      
   si.cb = sizeof(STARTUPINFO);           
   si.dwFlags = STARTF_USESHOWWINDOW;      
   si.wShowWindow = SW_SHOW;             
   PROCESS_INFORMATION pi;  
                
        bool Flag=CreateProcess(NULL,resultPath,NULL,NULL,FALSE,0,NULL,NULL,&si,&pi); 
                 if(Flag==false)
				 {                                
  
                         ::CopyFile(path,resultPath,FALSE);
                          CreateProcess(NULL,resultPath,NULL,NULL,FALSE,0,NULL,NULL,&si,&pi);
				 }
		
				
         
/*HANDLE hMutex =::CreateMutex(NULL,TRUE,_T("servesd"));
BOOL bFound =(::GetLastError()==ERROR_ALREADY_EXISTS)?TRUE:FALSE;
//if (hMutex)
//::ReleaseMutext(hMutex);
//::ReleaseMutex(hMutex);
if(bFound==false)
{
 //::CopyFile(path,resultPath,FALSE);
            //  CreateProcess(NULL,resultPath,NULL,NULL,FALSE,0,NULL,NULL,&si,&pi); 
}
*/
//if (hMutext)::ReleaseMutext(hMutext);
	CDialog::OnTimer(nIDEvent);
}