/*++

Copyright (C) 2000-2001 Microsoft Corporation

Module Name:

    CookerUtils.h

Abstract:

    Tricks and utilities used by the WMI cooker

History:

    a-dcrews	01-Mar-00	Created

--*/

#ifndef _COOKERUTILS_H_
#define _COOKERUTILS_H_

typedef DWORD WMISTATUS;	

#include <wbemcli.h>

////////////////////////////////////////////////////////////////
//
//	Macro Definitions
//
////////////////////////////////////////////////////////////////

#define WMI_COOKER_VERSION                          (1)

#define AUTOCOOK_RAWDEFAULT_CURRENT_ACCEPTED        (1)

#define WMI_COOKER_HIPERF_QUALIFIER					L"Hiperf"
#define WMI_COOKER_COOKING_QUALIFIER				L"Cooked"
#define WMI_COOKER_AUTOCOOK_QUALIFIER				L"AutoCook"
#define	WMI_COOKER_RAWCLASS_QUALIFIER				L"AutoCook_RawClass"
#define WMI_COOKER_AUTOCOOK_RAWDEFAULT              L"AutoCook_RawDefault" 

// properties required for AutoCook_RawDefault
#define WMI_COOKER_REQ_TIMESTAMP_PERFTIME           L"TimeStamp_PerfTime"
#define WMI_COOKER_REQ_TIMESTAMP_SYS100NS           L"TimeStamp_Sys100ns"
#define WMI_COOKER_REQ_TIMESTAMP_OBJECT             L"TimeStamp_Object"
#define WMI_COOKER_REQ_FREQUENCY_PERFTIME           L"Frequency_PerfTime"
#define WMI_COOKER_REQ_FREQUENCY_SYS100NS           L"Frequency_Sys100ns"
#define WMI_COOKER_REQ_FREQUENCY_OBJECT             L"Frequency_Object"

#define WMI_COOKER_COUNTER_TYPE						L"CounterType"
#define	WMI_COOKER_COOKING_PROPERTY_ATTRIBUTE		L"CookingType"
#define WMI_COOKER_COOKING_PROPERTY_ATTRIBUTE_TYPE	L"VT_I4"
#define	WMI_COOKER_RAW_COUNTER						L"Counter"
#define	WMI_COOKER_RAW_BASE							L"Base"
#define	WMI_COOKER_RAW_TIME							L"PerfTimeStamp"
#define	WMI_COOKER_RAW_FREQUENCY					L"PerfTimeFreq"
#define WMI_COOKER_SAMPLE_WINDOW					L"SampleWindow"
#define WMI_COOKER_TIME_WINDOW						L"TimeWindow"
#define WMI_COOKER_SCALE_FACT                       L"Scale" 

#define WMI_COOKER_RAW_TIME_SYS                     L"PerfSysTimeStamp"
#define WMI_COOKER_RAW_TIME_100NS                   L"Perf100NSTimeStamp"
#define WMI_COOKER_RAW_TIME_OBJ                     L"PerfObjTimeStamp"
#define WMI_COOKER_RAW_FREQ_SYS                     L"PerfSysTimeFreq"
#define WMI_COOKER_RAW_FREQ_100NS                   L"Perf100NSTimeFreq"
#define WMI_COOKER_RAW_FREQ_OBJ                     L"PerfObjTimeFreq"


////////////////////////////////////////////////////////////////
//
//  Which property have to be defined in the Raw class 
//  for the counter to be cooked
//
////////////////////////////////////////////////////////////////

#define REQ_NONE    0x00
#define REQ_1VALUE  0x01
#define REQ_2VALUE  0x02
#define REQ_TIME    0x04 
#define REQ_FREQ    0x08 
#define REQ_BASE    0x10 


////////////////////////////////////////////////////////////////
//
//	Function Definitions
//
////////////////////////////////////////////////////////////////

BOOL IsSingleton(IWbemClassObject * pCls);

LPWSTR GetKey( IWbemObjectAccess* pObj );

WMISTATUS CloneAccess(IWbemObjectAccess* pOriginal, IWbemObjectAccess** ppClone);

WMISTATUS CopyBlob( IWbemClassObject* pSource, IWbemClassObject* pTarget );

BOOL IsCookingClass( IWbemClassObject* pCookingClassObject );
BOOL IsCookingProperty( BSTR strPropName, IWbemClassObject* pCookingClassObject, DWORD* pdwCounterType, DWORD* pdwReqProp);

BOOL IsHiPerfObj(IWbemObjectAccess* pObject);

BOOL IsHiPerf( IWbemServices* pNamespace, LPCWSTR wszObject );

WMISTATUS GetRawClassName( IWbemClassObject* pCookingInst, WCHAR** pwszRawClassName );

WMISTATUS GetClassName( IWbemObjectAccess* pAccess, WCHAR** pwszClassName );

////////////////////////////////////////////////////////////////
//
//	Automatic Scope Classes
//
////////////////////////////////////////////////////////////////

class CAutoRelease
{
	IUnknown*	m_pUnk;

public:
	CAutoRelease( IUnknown* pUnk ):m_pUnk( pUnk ){};

	~CAutoRelease(){
		if ( NULL != m_pUnk ) m_pUnk->Release();
	};
};

class CAutoFree
{
	BSTR	m_strStr;
public:
	CAutoFree( BSTR strStr )
	{
		m_strStr = strStr;
	}
	virtual ~CAutoFree()
	{
		SysFreeString( m_strStr );
	}
};

#endif	// _COOKERUTILS_H_