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172 lines
4.9 KiB
172 lines
4.9 KiB
/****************************************************************************
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Copyright information : Copyright (c) 1998-1999 Microsoft Corporation
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File Name : WMICliLog.cpp
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Project Name : WMI Command Line
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Author Name : Ch. Sriramachandramurthy
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Date of Creation (dd/mm/yy) : 4th-October-2000
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Version Number : 1.0
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Brief Description : This class encapsulates the functionality needed
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for logging the input and output.
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Revision History :
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Last Modified By : Ch. Sriramachandramurthy
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Last Modified Date : 28th-December-2000
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*****************************************************************************/
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// WMICliLog.cpp : implementation file
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#include "Precomp.h"
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#include "WmiCliLog.h"
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/*------------------------------------------------------------------------
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Name :CWMICliLog
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Synopsis :Constructor
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Type :Constructor
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Input parameter :None
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Output parameters :None
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Return Type :None
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Global Variables :None
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Calling Syntax :None
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Notes :None
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------------------------------------------------------------------------*/
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CWMICliLog::CWMICliLog()
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{
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m_pszLogFile = NULL;
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m_bCreate = FALSE;
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}
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/*------------------------------------------------------------------------
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Name :~CWMICliLog
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Synopsis :Destructor
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Type :Destructor
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Input parameter :None
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Output parameters :None
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Return Type :None
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Global Variables :None
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Calling Syntax :None
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Notes :None
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------------------------------------------------------------------------*/
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CWMICliLog::~CWMICliLog()
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{
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//Close the File handle
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if (m_bCreate)
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CloseHandle(m_hFile);
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//Delete the file
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SAFEDELETE(m_pszLogFile);
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}
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/*------------------------------------------------------------------------
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Name :WriteToLog
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Synopsis :Log the input to the logfile created
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Type :Member Function
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Input parameter :
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pszMsg - string, contents to be written to the log file
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Output parameters :None
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Return Type :void
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Global Variables :None
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Calling Syntax :WriteToLog(pszInput)
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Notes :None
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------------------------------------------------------------------------*/
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void CWMICliLog::WriteToLog(LPSTR pszMsg) throw (WMICLIINT)
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{
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int j = 0;
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if(pszMsg && ((j = strlen(pszMsg)) > 0))
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{
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//if the file has not been created
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if (!m_bCreate)
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{
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try
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{
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//creates the log file
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CreateLogFile();
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}
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catch(WMICLIINT nErr)
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{
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if (nErr == WIN32_FUNC_ERROR)
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throw(WIN32_FUNC_ERROR);
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}
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m_bCreate = TRUE;
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}
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//No of bytes written into the file .
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DWORD dwNumberOfBytes = 0;
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//writes data to a file
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if (!WriteFile(m_hFile, pszMsg, j,
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&dwNumberOfBytes, NULL))
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{
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DisplayWin32Error();
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throw(WIN32_FUNC_ERROR);
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}
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}
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}
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/*------------------------------------------------------------------------
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Name :CreateLogFile
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Synopsis :Create the log file
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Type :Member Function
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Input parameter :None
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Output parameters :None
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Return Type :void
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Global Variables :None
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Calling Syntax :CreateLogFile()
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Notes :None
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------------------------------------------------------------------------*/
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void CWMICliLog::CreateLogFile() throw(WMICLIINT)
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{
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//Create a file and returns the handle
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m_hFile = CreateFile(m_pszLogFile, GENERIC_WRITE, 0,
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NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL,
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NULL);
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if (m_hFile == INVALID_HANDLE_VALUE)
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{
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DisplayWin32Error();
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throw(WIN32_FUNC_ERROR);
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}
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}
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/*------------------------------------------------------------------------
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Name :SetLogFilePath
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Synopsis :This function sets the m_pszLogFile name with the
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input
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Type :Member Function
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Input parameter :
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pszLogFile - String type,Contains the log file name
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Return Type :void
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Global Variables :None
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Calling Syntax :SetLogFilePath(pszLogFile)
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Notes :None
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------------------------------------------------------------------------*/
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void CWMICliLog::SetLogFilePath(_TCHAR* pszLogFile) throw (WMICLIINT)
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{
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SAFEDELETE(m_pszLogFile);
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m_pszLogFile = new _TCHAR [lstrlen(pszLogFile) + 1];
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if (m_pszLogFile)
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{
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//Copy the input argument into the log file name
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lstrcpy(m_pszLogFile, pszLogFile);
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}
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else
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throw(OUT_OF_MEMORY);
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}
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/*------------------------------------------------------------------------
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Name :CloseLogFile
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Synopsis :Closes the the log file
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Type :Member Function
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Input parameter :None
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Output parameters :None
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Return Type :void
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Global Variables :None
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Calling Syntax :CloseLogFile()
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Notes :None
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------------------------------------------------------------------------*/
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void CWMICliLog::CloseLogFile()
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{
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//Close the File handle
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if (m_bCreate)
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{
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CloseHandle(m_hFile);
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m_bCreate = FALSE;
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}
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}
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