609 lines
17 KiB
C++
609 lines
17 KiB
C++
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//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2000 Microsoft Corporation
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//
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// Module Name:
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// SWTracingSrc.cpp
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//
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// Description:
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// Software tracing functions.
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//
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// Documentation:
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// Spec\Admin\Debugging.ppt
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//
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// Maintained By:
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// Galen Barbee (GalenB) 05-DEC-2000
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <stdio.h>
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#include <tchar.h>
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//#define DebugDumpWMITraceFlags( _arg ) // NOP
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//
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// TODO: remove this when WMI is more dynamic
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//
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static const int cchDEBUG_OUTPUT_BUFFER_SIZE = 512;
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//****************************************************************************
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//
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// WMI Tracing Routines
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//
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// These routines are only in the DEBUG version.
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//
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//****************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// void
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// DebugDumpWMITraceFlags(
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// DEBUG_WMI_CONTROL_GUIDS * pdwcgIn
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// )
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//
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// Description:
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// Dumps the currently set flags.
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//
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// Arguments:
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// pdwcgIn - Pointer to the DEBUG_WMI_CONTROL_GUIDS to explore.
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//
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// Return Values:
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// None.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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void
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DebugDumpWMITraceFlags(
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DEBUG_WMI_CONTROL_GUIDS * pdwcgIn
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)
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{
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DWORD dwFlag;
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signed int nCount;
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if ( pdwcgIn->pMapFlagsToComments == NULL )
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{
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DebugMsg( TEXT("DEBUG: no flag mappings available.") );
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return; // NOP
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} // if: no mapping table
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dwFlag = 0x80000000;
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for ( nCount = 31; nCount >= 0; nCount-- )
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{
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if ( pdwcgIn->dwFlags & dwFlag )
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{
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DebugMsg( TEXT("DEBUG: 0x%08x = %s"),
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dwFlag,
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( pdwcgIn->pMapFlagsToComments[ nCount ].pszName != NULL ? pdwcgIn->pMapFlagsToComments[ nCount ].pszName : g_szUnknown )
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);
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} // if: flag set
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dwFlag = dwFlag >> 1;
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} // for: nCount
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} //*** DebugDumpWMITraceFlags( )
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//****************************************************************************
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//
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// WMI Tracing Routines
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//
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// These routines are in both DEBUG and RETAIL versions.
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//
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//****************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// ULONG
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// UlWMIControlCallback(
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// IN WMIDPREQUESTCODE RequestCode,
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// IN PVOID RequestContext,
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// IN OUT ULONG * BufferSize,
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// IN OUT PVOID Buffer
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// )
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//
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// Description:
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// WMI's tracing control callback entry point.
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//
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// Arguments:
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// See EVNTRACE.H
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//
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// Return Values:
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// ERROR_SUCCESS - success.
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// ERROR_INVALID_PARAMETER - invalid RequestCode passed in.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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ULONG
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WINAPI
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UlWMIControlCallback(
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IN WMIDPREQUESTCODE RequestCode,
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IN PVOID RequestContext,
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IN OUT ULONG * BufferSize,
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IN OUT PVOID Buffer
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)
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{
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ULONG ulResult = ERROR_SUCCESS;
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DEBUG_WMI_CONTROL_GUIDS * pdwcg = (DEBUG_WMI_CONTROL_GUIDS *) RequestContext;
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switch ( RequestCode )
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{
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case WMI_ENABLE_EVENTS:
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{
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TRACEHANDLE hTrace;
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if ( pdwcg->hTrace == NULL )
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{
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hTrace = GetTraceLoggerHandle( Buffer );
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} // if:
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else
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{
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hTrace = pdwcg->hTrace;
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} // else:
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pdwcg->dwFlags = GetTraceEnableFlags( hTrace );
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pdwcg->bLevel = GetTraceEnableLevel( hTrace );
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if ( pdwcg->dwFlags == 0 )
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{
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if ( pdwcg->pMapLevelToFlags != NULL
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&& pdwcg->bSizeOfLevelList != 0
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)
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{
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if ( pdwcg->bLevel >= pdwcg->bSizeOfLevelList )
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{
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pdwcg->bLevel = pdwcg->bSizeOfLevelList - 1;
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}
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pdwcg->dwFlags = pdwcg->pMapLevelToFlags[ pdwcg->bLevel ].dwFlags;
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DebugMsg( TEXT("DEBUG: WMI tracing level set to %u - %s, flags = 0x%08x"),
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pdwcg->pszName,
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pdwcg->bLevel,
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pdwcg->pMapLevelToFlags[ pdwcg->bLevel ].pszName,
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pdwcg->dwFlags
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);
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} // if: level->flag mapping available
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else
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{
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DebugMsg( TEXT("DEBUG: WMI tracing level set to %u, flags = 0x%08x"),
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pdwcg->pszName,
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pdwcg->bLevel,
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pdwcg->dwFlags
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);
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} // else: no mappings
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} // if: no flags set
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else
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{
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DebugMsg( TEXT("DEBUG: WMI tracing level set to %u, flags = 0x%08x"),
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pdwcg->pszName,
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pdwcg->bLevel,
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pdwcg->dwFlags
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);
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} // else: flags set
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DebugDumpWMITraceFlags( pdwcg );
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pdwcg->hTrace = hTrace;
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} // WMI_ENABLE_EVENTS
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break;
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case WMI_DISABLE_EVENTS:
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pdwcg->dwFlags = 0;
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pdwcg->bLevel = 0;
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pdwcg->hTrace = NULL;
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DebugMsg( TEXT("DEBUG: %s WMI tracing disabled."), pdwcg->pszName );
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break;
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default:
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ulResult = ERROR_INVALID_PARAMETER;
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break;
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} // switch: RequestCode
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return ulResult;
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} //*** UlWMIControlCallback( )
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// void
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// WMIInitializeTracing(
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// DEBUG_WMI_CONTROL_GUIDS dwcgControlListIn[],
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// int nCountOfCOntrolGuidsIn
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// )
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//
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// Description:
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// Initialize the WMI tracing.
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//
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// Arguments:
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// None.
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//
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// Return Values:
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// None.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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void
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WMIInitializeTracing(
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DEBUG_WMI_CONTROL_GUIDS dwcgControlListIn[],
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int nCountOfControlGuidsIn
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)
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{
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TCHAR szPath[ MAX_PATH ];
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ULONG ulStatus;
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int nCount;
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#if defined( DEBUG )
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static BOOL fRegistered = FALSE;
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AssertMsg( fRegistered == FALSE, "Re-entrance into InitializeWMITracing!!!" );
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#endif // DEBUG
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GetModuleFileName( g_hInstance, szPath, MAX_PATH );
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for( nCount = 0; nCount < nCountOfControlGuidsIn; nCount++ )
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{
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TRACE_GUID_REGISTRATION * pList;
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pList = (TRACE_GUID_REGISTRATION *)
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HeapAlloc( GetProcessHeap(), 0,
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sizeof( TRACE_GUID_REGISTRATION ) * dwcgControlListIn[ nCount ].dwSizeOfTraceList );
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if ( pList != NULL )
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{
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CopyMemory( pList,
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dwcgControlListIn[ nCount ].pTraceList,
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sizeof( TRACE_GUID_REGISTRATION ) * dwcgControlListIn[ nCount ].dwSizeOfTraceList );
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ulStatus = RegisterTraceGuids( UlWMIControlCallback, // IN RequestAddress
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dwcgControlListIn, // IN RequestContext
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dwcgControlListIn[ nCount ].guidControl, // IN ControlGuid
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dwcgControlListIn[ nCount ].dwSizeOfTraceList, // IN GuidCount
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pList, // IN GuidReg
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(LPCTSTR) szPath, // IN MofImagePath
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__MODULE__, // IN MofResourceName
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&dwcgControlListIn[ nCount ].hRegistration // OUT RegistrationHandle
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);
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AssertMsg( ulStatus == ERROR_SUCCESS, "Trace registration failed" );
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HeapFree( GetProcessHeap(), 0, pList );
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} // if: list allocated successfully
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} // for: each control GUID
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#if defined( DEBUG )
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fRegistered = TRUE;
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#endif // DEBUG
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} //*** WMIInitializeTracing( )
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// void
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// WMITerminateTracing(
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// DEBUG_WMI_CONTROL_GUIDS dwcgControlListIn[],
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// int nCountOfCOntrolGuidsIn
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// )
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//
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// Description:
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// Terminates WMI tracing and unregisters the interfaces.
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//
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// Arguments:
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// dwcgControlListIn -
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// nCountOfControlGuidsIn -
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//
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// Return Values:
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// None.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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void
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WMITerminateTracing(
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DEBUG_WMI_CONTROL_GUIDS dwcgControlListIn[],
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int nCountOfControlGuidsIn
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)
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{
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int nCount;
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for( nCount = 0; nCount < nCountOfControlGuidsIn; nCount++ )
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{
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dwcgControlListIn[ nCount ].dwFlags = 0;
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dwcgControlListIn[ nCount ].bLevel = 0;
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dwcgControlListIn[ nCount ].hTrace = NULL;
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UnregisterTraceGuids( dwcgControlListIn[ nCount ].hRegistration );
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} // for: each control GUID
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} //*** WMITerminateTracing( )
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typedef struct
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{
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EVENT_TRACE_HEADER EHeader; // storage for the WMI trace event header
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BYTE bSize; // Size of the string - MAX 255!
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WCHAR szMsg[ cchDEBUG_OUTPUT_BUFFER_SIZE ]; // Message
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} DEBUG_WMI_EVENT_W;
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typedef struct
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{
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EVENT_TRACE_HEADER EHeader; // storage for the WMI trace event header
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BYTE bSize; // Size of the string - MAX 255!
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CHAR szMsg[ cchDEBUG_OUTPUT_BUFFER_SIZE ]; // Message
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} DEBUG_WMI_EVENT_A;
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// void
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// WMIMessageByFlags(
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// DEBUG_WMI_CONTROL_GUIDS * pEntryIn,
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// const DWORD dwFlagsIn,
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// LPCWSTR pszFormatIn,
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// ...
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// )
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//
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// Description:
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//
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// Arguments:
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// pEntry -
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// dwFlagsIn -
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// pszFormatIn -
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// ... -
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//
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// Return Values:
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// None.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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void
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__cdecl
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WMIMessageByFlags(
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DEBUG_WMI_CONTROL_GUIDS * pEntry,
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const DWORD dwFlagsIn,
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LPCWSTR pszFormatIn,
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...
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)
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{
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va_list valist;
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if ( pEntry->hTrace == NULL )
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{
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return; // NOP
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} // if: no trace logger
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if ( dwFlagsIn == mtfALWAYS
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|| pEntry->dwFlags & dwFlagsIn
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)
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{
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ULONG ulStatus;
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DEBUG_WMI_EVENT_W DebugEvent;
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PEVENT_TRACE_HEADER peth = (PEVENT_TRACE_HEADER ) &DebugEvent;
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PWNODE_HEADER pwnh = (PWNODE_HEADER) &DebugEvent;
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ZeroMemory( &DebugEvent, sizeof( DebugEvent ) );
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#ifndef UNICODE
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TCHAR szFormat[ cchDEBUG_OUTPUT_BUFFER_SIZE ];
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wcstombs( szFormat, pszFormatIn, StrLenW( pszFormatIn ) + 1 );
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va_start( valist, pszFormatIn );
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_vsntprintf( DebugEvent.szMsg, 256, szFormat, valist );
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va_end( valist );
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#else
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va_start( valist, pszFormatIn );
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_vsntprintf( DebugEvent.szMsg, 256, pszFormatIn, valist );
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va_end( valist );
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#endif // UNICODE
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//
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// Fill in the blanks
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//
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|
Assert( wcslen( DebugEvent.szMsg ) <= 255 ); // make sure the cast doesn't fail.
|
||
|
|
DebugEvent.bSize = (BYTE) wcslen( DebugEvent.szMsg );
|
||
|
|
peth->Size = sizeof( DebugEvent );
|
||
|
|
peth->Class.Type = 10;
|
||
|
|
peth->Class.Level = pEntry->bLevel;
|
||
|
|
// peth->Class.Version = 0;
|
||
|
|
// peth->ThreadId = GetCurrentThreadId( ); - done by system
|
||
|
|
pwnh->Guid = *pEntry->guidControl;
|
||
|
|
// peth->ClientContext = NULL;
|
||
|
|
pwnh->Flags = WNODE_FLAG_TRACED_GUID;
|
||
|
|
|
||
|
|
// GetSystemTimeAsFileTime( (FILETIME *) &peth->TimeStamp ); - done by the system
|
||
|
|
|
||
|
|
ulStatus = TraceEvent( pEntry->hTrace, (PEVENT_TRACE_HEADER) &DebugEvent );
|
||
|
|
|
||
|
|
} // if: flags set
|
||
|
|
|
||
|
|
} //*** WMIMsg( )
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// void
|
||
|
|
// WMIMessageByFlagsAndLevel(
|
||
|
|
// DEBUG_WMI_CONTROL_GUIDS * pEntry,
|
||
|
|
// const DWORD dwFlagsIn,
|
||
|
|
// const BYTE bLogLevelIn,
|
||
|
|
// LPCWSTR pszFormatIn,
|
||
|
|
// ...
|
||
|
|
// )
|
||
|
|
//
|
||
|
|
// Description:
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pEntry -
|
||
|
|
// dwFlagsIn -
|
||
|
|
// bLogLevelIn -
|
||
|
|
// pszFormatIn -
|
||
|
|
// ... -
|
||
|
|
//
|
||
|
|
// Return Values:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
void
|
||
|
|
__cdecl
|
||
|
|
WMIMessageByFlagsAndLevel(
|
||
|
|
DEBUG_WMI_CONTROL_GUIDS * pEntry,
|
||
|
|
const DWORD dwFlagsIn,
|
||
|
|
const BYTE bLogLevelIn,
|
||
|
|
LPCWSTR pszFormatIn,
|
||
|
|
...
|
||
|
|
)
|
||
|
|
{
|
||
|
|
va_list valist;
|
||
|
|
|
||
|
|
if ( pEntry->hTrace == NULL )
|
||
|
|
{
|
||
|
|
return; // NOP
|
||
|
|
} // if: no trace logger
|
||
|
|
|
||
|
|
if ( bLogLevelIn > pEntry->bLevel )
|
||
|
|
{
|
||
|
|
return; // NOP
|
||
|
|
} // if: level not high enough
|
||
|
|
|
||
|
|
if ( dwFlagsIn == mtfALWAYS
|
||
|
|
|| pEntry->dwFlags & dwFlagsIn
|
||
|
|
)
|
||
|
|
{
|
||
|
|
ULONG ulStatus;
|
||
|
|
DEBUG_WMI_EVENT_W DebugEvent;
|
||
|
|
PEVENT_TRACE_HEADER peth = (PEVENT_TRACE_HEADER ) &DebugEvent;
|
||
|
|
PWNODE_HEADER pwnh = (PWNODE_HEADER) &DebugEvent;
|
||
|
|
|
||
|
|
ZeroMemory( &DebugEvent, sizeof( DebugEvent ) );
|
||
|
|
|
||
|
|
#ifndef UNICODE
|
||
|
|
TCHAR szFormat[ cchDEBUG_OUTPUT_BUFFER_SIZE ];
|
||
|
|
wcstombs( szFormat, pszFormatIn, StrLenW( pszFormatIn ) + 1 );
|
||
|
|
|
||
|
|
va_start( valist, pszFormatIn );
|
||
|
|
_vsntprintf( DebugEvent.szMsg, 256,szFormat, valist);
|
||
|
|
va_end( valist );
|
||
|
|
#else
|
||
|
|
va_start( valist, pszFormatIn );
|
||
|
|
_vsntprintf( DebugEvent.szMsg, 256,pszFormatIn, valist);
|
||
|
|
va_end( valist );
|
||
|
|
#endif // UNICODE
|
||
|
|
|
||
|
|
//
|
||
|
|
// Fill in the blanks
|
||
|
|
//
|
||
|
|
Assert( wcslen( DebugEvent.szMsg ) <= 255 ); // make sure the cast doesn't fail.
|
||
|
|
DebugEvent.bSize = (BYTE) wcslen( DebugEvent.szMsg );
|
||
|
|
peth->Size = sizeof( DebugEvent );
|
||
|
|
peth->Class.Type = 10;
|
||
|
|
peth->Class.Level = pEntry->bLevel;
|
||
|
|
// peth->Class.Version = 0;
|
||
|
|
// peth->ThreadId = GetCurrentThreadId( ); - done by system
|
||
|
|
pwnh->Guid = *pEntry->guidControl;
|
||
|
|
// peth->ClientContext = NULL;
|
||
|
|
pwnh->Flags = WNODE_FLAG_TRACED_GUID;
|
||
|
|
|
||
|
|
// GetSystemTimeAsFileTime( (FILETIME *) &peth->TimeStamp ); - done by the system
|
||
|
|
|
||
|
|
ulStatus = TraceEvent( pEntry->hTrace, (PEVENT_TRACE_HEADER) &DebugEvent );
|
||
|
|
|
||
|
|
} // if: flags set
|
||
|
|
|
||
|
|
} //*** WMIMessageByFlagsAndLevel( )
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// void
|
||
|
|
// WMIMessageByLevel(
|
||
|
|
// DEBUG_WMI_CONTROL_GUIDS * pEntry,
|
||
|
|
// const BYTE bLogLevelIn,
|
||
|
|
// LPCWSTR pszFormatIn,
|
||
|
|
// ...
|
||
|
|
// )
|
||
|
|
//
|
||
|
|
// Description:
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pEntry -
|
||
|
|
// bLogLevelIn -
|
||
|
|
// pszFormatIn -
|
||
|
|
// ... -
|
||
|
|
//
|
||
|
|
// Return Values:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
void
|
||
|
|
__cdecl
|
||
|
|
WMIMessageByLevel(
|
||
|
|
DEBUG_WMI_CONTROL_GUIDS * pEntry,
|
||
|
|
const BYTE bLogLevelIn,
|
||
|
|
LPCWSTR pszFormatIn,
|
||
|
|
...
|
||
|
|
)
|
||
|
|
{
|
||
|
|
ULONG ulStatus;
|
||
|
|
DEBUG_WMI_EVENT_W DebugEvent;
|
||
|
|
PEVENT_TRACE_HEADER peth = (PEVENT_TRACE_HEADER ) &DebugEvent;
|
||
|
|
PWNODE_HEADER pwnh = (PWNODE_HEADER) &DebugEvent;
|
||
|
|
va_list valist;
|
||
|
|
|
||
|
|
if ( pEntry->hTrace == NULL )
|
||
|
|
{
|
||
|
|
return; // NOP
|
||
|
|
} // if: no trace logger
|
||
|
|
|
||
|
|
if ( bLogLevelIn > pEntry->bLevel )
|
||
|
|
{
|
||
|
|
return; // NOP
|
||
|
|
} // if: level no high enough
|
||
|
|
|
||
|
|
ZeroMemory( &DebugEvent, sizeof( DebugEvent ) );
|
||
|
|
|
||
|
|
#ifndef UNICODE
|
||
|
|
TCHAR szFormat[ cchDEBUG_OUTPUT_BUFFER_SIZE ];
|
||
|
|
wcstombs( szFormat, pszFormatIn, StrLenW( pszFormatIn ) + 1 );
|
||
|
|
|
||
|
|
va_start( valist, pszFormatIn );
|
||
|
|
_vsntprintf( DebugEvent.szMsg, 256,szFormat, valist);
|
||
|
|
va_end( valist );
|
||
|
|
#else
|
||
|
|
va_start( valist, pszFormatIn );
|
||
|
|
_vsntprintf( DebugEvent.szMsg, 256,pszFormatIn, valist);
|
||
|
|
va_end( valist );
|
||
|
|
#endif // UNICODE
|
||
|
|
|
||
|
|
//
|
||
|
|
// Fill in the blanks
|
||
|
|
//
|
||
|
|
Assert( wcslen( DebugEvent.szMsg ) <= 255 ); // make sure the cast doesn't fail.
|
||
|
|
DebugEvent.bSize = (BYTE) wcslen( DebugEvent.szMsg );
|
||
|
|
peth->Size = sizeof( DebugEvent );
|
||
|
|
peth->Class.Type = 10;
|
||
|
|
peth->Class.Level = pEntry->bLevel;
|
||
|
|
// peth->Class.Version = 0;
|
||
|
|
// peth->ThreadId = GetCurrentThreadId( ); - done by system
|
||
|
|
pwnh->Guid = *pEntry->guidControl;
|
||
|
|
// peth->ClientContext = NULL;
|
||
|
|
pwnh->Flags = WNODE_FLAG_TRACED_GUID;
|
||
|
|
|
||
|
|
// GetSystemTimeAsFileTime( (FILETIME *) &peth->TimeStamp ); - done by the system
|
||
|
|
|
||
|
|
ulStatus = TraceEvent( pEntry->hTrace, (PEVENT_TRACE_HEADER) &DebugEvent );
|
||
|
|
|
||
|
|
} //*** WMIMessageByLevel( )
|