146 lines
3 KiB
C
146 lines
3 KiB
C
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/*++
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Copyright (C) 1996-2001 Microsoft Corporation
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Module Name:
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RawCooker.h
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Abstract:
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The classes required to perform cooking based on a countertype
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History:
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a-dcrews 01-Mar-00 Created
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--*/
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#ifndef _RAWCOOKER_H_
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#define _RAWCOOKER_H_
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#include <wbemint.h>
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#include "CookerUtils.h"
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//////////////////////////////////////////////////////////////////
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//
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// CEquationRecord
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//
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// Contains all of the required information to describe either
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// a predefined or used defined equation
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//
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//////////////////////////////////////////////////////////////////
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typedef __int64* PINT64;
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typedef DWORD (APIENTRY PERFCALC)(DWORD, PINT64, PINT64, PINT64, INT64, PINT64);
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class CCalcRecord
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{
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DWORD m_dwID;
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PERFCALC *m_pCalc;
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public:
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void Init( DWORD dwID, PERFCALC *pCalc )
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{
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m_dwID = dwID;
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m_pCalc = pCalc;
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}
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DWORD GetID(){ return m_dwID; }
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PERFCALC* GetCalc(){ return m_pCalc; }
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};
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class CCalcTable
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{
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long m_lSize; // Size of table
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CCalcRecord m_aTable[7]; // Lookup table
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public:
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CCalcTable();
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virtual ~CCalcTable();
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CCalcRecord* GetCalcRecord( DWORD dwCookingType );
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};
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//////////////////////////////////////////////////////////////////
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//
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// CRawCooker
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//
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// Represents the cooking mechanism.
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//
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//////////////////////////////////////////////////////////////////
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class CRawCooker : public IWMISimpleCooker
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{
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long m_lRef; // Reference counter
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CCalcTable m_CalcTable; // Equation lookup table
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CCalcRecord* m_pCalcRecord; // A cache of the last record
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public:
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CRawCooker();
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virtual ~CRawCooker();
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// Standard COM methods
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// ====================
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STDMETHODIMP QueryInterface(REFIID riid, void** ppv);
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STDMETHODIMP_(ULONG) AddRef();
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STDMETHODIMP_(ULONG) Release();
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// IWMISimpleCooker COM Interface
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// ==============================
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STDMETHODIMP CookRawValues(
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/*[in] */ DWORD dwCookingType,
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/*[in] */ DWORD dwNumSamples,
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/*[in] */ __int64* anTimeStamp,
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/*[in] */ __int64* anRawValue,
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/*[in] */ __int64* anBase,
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/*[in] */ __int64 nTimeFrequency,
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/*[in] */ long Scale,
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/*[out] */ __int64* pnResult );
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PERFCALC* GetCalc( DWORD dwCookingType );
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static WMISTATUS APIENTRY _Average( DWORD dwNumSamples,
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__int64* anTimeStamp,
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__int64* anRawValue,
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__int64* anBase,
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__int64 nTimeFrequency,
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__int64* pnResult);
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static WMISTATUS APIENTRY _Min( DWORD dwNumSamples,
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__int64* anTimeStamp,
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__int64* anRawValue,
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__int64* anBase,
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__int64 nTimeFrequency,
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__int64* pnResult);
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static WMISTATUS APIENTRY _Max( DWORD dwNumSamples,
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__int64* anTimeStamp,
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__int64* anRawValue,
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__int64* anBase,
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__int64 nTimeFrequency,
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__int64* pnResult);
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static WMISTATUS APIENTRY _Range( DWORD dwNumSamples,
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__int64* anTimeStamp,
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__int64* anRawValue,
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__int64* anBase,
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__int64 nTimeFrequency,
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__int64* pnResult);
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static WMISTATUS APIENTRY _Variance( DWORD dwNumSamples,
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__int64* anTimeStamp,
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__int64* anRawValue,
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__int64* anBase,
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__int64 nTimeFrequency,
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__int64* pnResult);
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};
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#endif //_RAWCOOKER_H_
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