LogFile.h
上传用户:jstlsd
上传日期:2007-01-13
资源大小:186k
文件大小:2k
- //---------------------------------------------------------------------------
- //
- // LogFile.h
- //
- // SUBSYSTEM: Hook system
- //
- // MODULE:
- //
- // DESCRIPTION: Common utilities.
- // Provides an interface for logging facilities
- //
- //
- // AUTHOR: Ivo Ivanov (ivopi@hotmail.com)
- // DATE: 2001 December v1.00
- //
- //---------------------------------------------------------------------------
- #if !defined(_LOGFILE_H_)
- #define _LOGFILE_H_
- #if _MSC_VER > 1000
- #pragma once
- #endif // _MSC_VER > 1000
- #include <share.h>
- #include <stdio.h>
- //---------------------------------------------------------------------------
- //
- // class CLogFile
- //
- //---------------------------------------------------------------------------
- class CLogFile
- {
- public:
- CLogFile(BOOL bTraceEnabled):
- m_bTraceEnabled(bTraceEnabled)
- {
- m_hMutex = ::CreateMutex(
- NULL,
- FALSE,
- "{45428D53-A5DB-4168-BD3C-658419B60279}"
- );
- }
- virtual ~CLogFile()
- {
- ::CloseHandle(m_hMutex);
- }
- void InitializeFileName(char* pszFileName)
- {
- strcpy(m_szFileName, pszFileName);
- }
- void DoLogMessage(char* pszMessage)
- {
- ::WaitForSingleObject(m_hMutex, INFINITE);
- __try
- {
- if (m_bTraceEnabled)
- {
- FILE* pOutFile;
- char szFlags[2];
- strcpy(szFlags, "a");
- pOutFile = _fsopen(m_szFileName, szFlags, _SH_DENYNO);
- if (pOutFile != NULL)
- {
- char szPrintMessage[MAX_PATH];
- fseek(pOutFile, 0L, SEEK_END);
- sprintf(szPrintMessage, "%sn", pszMessage);
- fputs(szPrintMessage, pOutFile);
- fflush(pOutFile);
- fclose(pOutFile);
- } // if
- } // if
- }
- __finally
- {
- ::ReleaseMutex(m_hMutex);
- }
- }
-
- private:
- //
- // Determines whether to use a log file management
- //
- BOOL m_bTraceEnabled;
- //
- // Name of the log file
- //
- char m_szFileName[MAX_PATH];
- //
- // Handle to the mutex used as guard
- //
- HANDLE m_hMutex;
- };
- #endif // !defined(_LOGFILE_H_)
- //--------------------- End of the file -------------------------------------