212 lines
6.2 KiB
C++
212 lines
6.2 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1994.
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//
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// File: eventlog.cxx
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//
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// Contents: CEventLog class
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//
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// History: 07-Jun-94 DwightKr Created
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//
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//--------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <ciregkey.hxx>
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#include <cievtmsg.h>
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#include <pstore.hxx>
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#include <eventlog.hxx>
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#include <alocdbg.hxx>
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//+-------------------------------------------------------------------------
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//
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// Member: CEventItem::CEventItem
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//
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// Synopsis: consturcts a CEventItem object.
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//
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// Arguments: [fType ] - Type of event
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// [fCategory] - Event Category
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// [eventId] - Message file event identifier
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// [cArgs] - Number of substitution arguments to be added
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// [cbData ] - number of bytes in supplemental raw data.
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// [data ] - pointer to block of supplemental data.
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//
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// History: 12-30-96 mohamedn raw data
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//--------------------------------------------------------------------------
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CEventItem::CEventItem( WORD fType,
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WORD fCategory,
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DWORD eventId,
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WORD cArgs,
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DWORD dataSize,
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const void * data ) :
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_fType(fType),
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_fCategory(fCategory),
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_eventId(eventId),
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_cArgsTotal(cArgs),
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_pwcsData(0),
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_cArgsUsed(0),
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_dataSize(dataSize),
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_data(data)
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{
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_pwcsData = new WCHAR *[_cArgsTotal];
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memset( _pwcsData, 0, sizeof(WCHAR *) * _cArgsTotal );
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END_CONSTRUCTION(CEventItem);
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}
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//+-------------------------------------------------------------------------
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//
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//--------------------------------------------------------------------------
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CEventItem::~CEventItem()
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{
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for (WORD i=0; i<_cArgsTotal; i++)
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delete [] _pwcsData[i];
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delete [] _pwcsData;
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}
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//+-------------------------------------------------------------------------
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//
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//--------------------------------------------------------------------------
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void CEventItem::AddArg( const WCHAR * wcsString )
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{
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Win4Assert( _cArgsUsed < _cArgsTotal );
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Win4Assert( 0 != wcsString );
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_pwcsData[_cArgsUsed] = new WCHAR[wcslen(wcsString) + 1];
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wcscpy( _pwcsData[_cArgsUsed], wcsString );
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_cArgsUsed++;
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}
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//+-------------------------------------------------------------------------
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//
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//--------------------------------------------------------------------------
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void CEventItem::AddArg( const CHAR * pszString )
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{
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Win4Assert( _cArgsUsed < _cArgsTotal );
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Win4Assert( 0 != pszString );
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_pwcsData[_cArgsUsed] = new WCHAR[ strlen(pszString) + 1];
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mbstowcs(_pwcsData[_cArgsUsed], pszString, strlen(pszString) + 1);
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_cArgsUsed++;
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}
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//+-------------------------------------------------------------------------
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//
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//--------------------------------------------------------------------------
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void CEventItem::AddArg( const ULONG ulValue )
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{
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WCHAR wcsBuffer[20];
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_ultow( ulValue, wcsBuffer, 10 );
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AddArg(wcsBuffer);
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CEventItem::AddError
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//
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// Synopsis: Adds the given error either as a HEX value or a decimal
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// value depending upon whether it is an NT error or WIN32 error.
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//
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// Arguments: [ulValue] - The error code to add.
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//
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// History: 5-27-96 srikants Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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void CEventItem::AddError( ULONG ulValue )
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{
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if ( !NT_SUCCESS(ulValue) )
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{
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WCHAR wszTemp[20];
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swprintf( wszTemp, L"0x%X", ulValue );
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AddArg( wszTemp );
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}
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else
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{
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AddArg( ulValue );
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}
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CEventLog::CEventLog, public
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//
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// Purpose: Constructor
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//
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// History: 07-Jun-94 DwightKr Created
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//
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//--------------------------------------------------------------------------
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CEventLog::CEventLog( const WCHAR * wcsUNCServer, const WCHAR * wcsSource) : _hEventLog(0)
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{
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_hEventLog = RegisterEventSource( wcsUNCServer, wcsSource );
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if ( _hEventLog == NULL )
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{
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ciDebugOut( (DEB_ITRACE, "CEventLog: Could not register event source, rc=0x%x\n", GetLastError() ));
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THROW( CException() );
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}
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END_CONSTRUCTION( CEventLog );
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CEventLog::~CEventLog, public
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//
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// Purpose: Destructor
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//
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// History: 07-Jun-94 DwightKr Created
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//
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//--------------------------------------------------------------------------
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CEventLog::~CEventLog()
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{
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DeregisterEventSource( _hEventLog );
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CEventLog::ReportEvent
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//
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// Purpose: Allows writing records to event log
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//
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// History: 07-Jun-94 DwightKr Created
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// 31-Dec-96 mohamedn Added support for raw data in ReportEvent
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//
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//--------------------------------------------------------------------------
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void CEventLog::ReportEvent( CEventItem & event )
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{
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Win4Assert( event._cArgsTotal == event._cArgsUsed );
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//
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// No need to throw if ReportEvent returns an error because logging
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// is a low priority operation
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//
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if ( !::ReportEvent( _hEventLog,
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event._fType,
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event._fCategory,
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event._eventId,
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NULL, // Sid
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event._cArgsUsed,
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event._dataSize, // Sizeof RAW data
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(const WCHAR **) event._pwcsData,
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(void *)event._data )) // RAW data
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{
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ciDebugOut(( DEB_ERROR, "Error 0x%X while writing to eventlog\n",
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GetLastError() ));
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}
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}
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