111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
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#ifndef __DBGTIMER_H_INCLUDED
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#define __DBGTIMER_H_INCLUDED
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class CDebugTimer
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{
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private:
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FILETIME m_ftBeginTime;
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TCHAR m_szTitle[MAX_PATH];
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public:
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CDebugTimer( LPCTSTR pszTimerName=NULL )
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{
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Start( pszTimerName );
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}
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virtual ~CDebugTimer(void)
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{
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End();
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}
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void GetSystemTimeAsFileTime( FILETIME &ft )
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{
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SYSTEMTIME st;
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GetSystemTime( &st );
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SystemTimeToFileTime( &st, &ft );
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}
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void Start( LPCTSTR pszName )
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{
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lstrcpy( m_szTitle, TEXT("") );
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if (pszName && *pszName)
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{
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GetSystemTimeAsFileTime(m_ftBeginTime);
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lstrcpy( m_szTitle, pszName );
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}
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}
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void WriteToFile( LPCTSTR szMessage )
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{
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TCHAR szFilename[MAX_PATH];
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if (GetEnvironmentVariable(TEXT("WIADEBUGFILE"),szFilename,sizeof(szFilename)/sizeof(TCHAR)))
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{
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HANDLE m_hMutex = CreateMutex( NULL, FALSE, TEXT("CDebugTimerFileMutex") );
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if (m_hMutex)
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{
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DWORD dwResult = WaitForSingleObject( m_hMutex, 1000 );
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if (WAIT_OBJECT_0==dwResult)
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{
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HANDLE hFile = CreateFile( szFilename, GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL );
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if (INVALID_HANDLE_VALUE == hFile)
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{
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DWORD dwBytesWritten;
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SetFilePointer( hFile, 0, NULL, FILE_END );
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WriteFile( hFile, szMessage, lstrlen(szMessage) * sizeof(TCHAR), &dwBytesWritten, NULL );
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CloseHandle(hFile);
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}
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else
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{
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OutputDebugString(TEXT("CDebugTimer::WriteToFile: Unable to open log file\n"));
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}
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ReleaseMutex(m_hMutex);
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}
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else
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{
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OutputDebugString(TEXT("WaitForSingleObject failed\n"));
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}
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CloseHandle(m_hMutex);
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}
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else
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{
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OutputDebugString(TEXT("CDebugTimer::WriteToFile: Unable to create mutex\n"));
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}
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}
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}
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void Elapsed(void)
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{
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if (lstrlen(m_szTitle))
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{
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FILETIME ft;
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GetSystemTimeAsFileTime(ft);
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LARGE_INTEGER liStart, liEnd;
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liStart.LowPart = m_ftBeginTime.dwLowDateTime;
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liStart.HighPart = m_ftBeginTime.dwHighDateTime;
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liEnd.LowPart = ft.dwLowDateTime;
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liEnd.HighPart = ft.dwHighDateTime;
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LONGLONG nElapsedTime = liEnd.QuadPart - liStart.QuadPart;
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nElapsedTime /= 10000;
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int nMilliseconds = (int)(nElapsedTime % 1000);
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nElapsedTime /= 1000;
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int nSeconds = (int)(nElapsedTime);
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TCHAR szMessage[MAX_PATH];
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wsprintf(szMessage, TEXT("*TIMER* Elapsed time for [%s]: %d.%04d\n"), m_szTitle, nSeconds, nMilliseconds );
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OutputDebugString( szMessage );
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WriteToFile( szMessage );
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}
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}
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void End(void)
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{
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Elapsed();
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lstrcpy( m_szTitle, TEXT("") );
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}
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};
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#if defined(DBG) || defined(_DEBUG) || defined(DEBUG)
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#define WIA_TIMEFUNCTION(x) CDebugTimer _debugFunctionDebugTimer(TEXT(x))
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#define WIA_TIMERSTART(n,x) CDebugTimer _debugTimer##n(TEXT(x))
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#define WIA_TIMEREND(n) _debugTimer##n.End()
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#else
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#define WIA_TIMEFUNCTION(x)
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#define WIA_TIMERSTART(n,x)
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#define WIA_TIMEREND(n)
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#endif
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#endif
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