Leaked source code of windows server 2003
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3.3 KiB

/*++
Copyright (C) 1996-2001 Microsoft Corporation
Module Name:
Provider.h
Abstract:
Implementation of the high performance provider interface
History:
a-dcrews 01-Mar-00 Created
--*/
#ifndef _HIPERFPROV_H_
#define _HIPERFPROV_H_
#include <wbemprov.h>
#include "Cache.h"
#include "Refresher.h"
//////////////////////////////////////////////////////////////
//
//
// Constants and globals
//
//
//////////////////////////////////////////////////////////////
#define WMI_HPCOOKER_ENUM_FLAG 0x10000000L
//////////////////////////////////////////////////////////////
//
// CHiPerfProvider
//
// The provider maintains a single IWbemClassObject to be used
// as a template to spawn instances for the Refresher as well
// as QueryInstances. It also maintains the static sample
// data source which provides all data to the instances.
//
//////////////////////////////////////////////////////////////
class CHiPerfProvider : public IWbemProviderInit, public IWbemHiPerfProvider
{
long m_lRef;
public:
CHiPerfProvider();
~CHiPerfProvider();
// Standard COM methods
// ====================
STDMETHODIMP QueryInterface(REFIID riid, void** ppv);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
// IWbemProviderInit COM interface
// ===============================
STDMETHODIMP Initialize(
/* [unique][in] */ LPWSTR wszUser,
/* [in] */ long lFlags,
/* [in] */ LPWSTR wszNamespace,
/* [unique][in] */ LPWSTR wszLocale,
/* [in] */ IWbemServices __RPC_FAR *pNamespace,
/* [in] */ IWbemContext __RPC_FAR *pCtx,
/* [in] */ IWbemProviderInitSink __RPC_FAR *pInitSink );
// IWbemHiPerfProvider COM interfaces
// ==================================
STDMETHODIMP CreateRefresher(
/* [in] */ IWbemServices __RPC_FAR *pNamespace,
/* [in] */ long lFlags,
/* [out] */ IWbemRefresher __RPC_FAR *__RPC_FAR *ppRefresher );
STDMETHODIMP CreateRefreshableObject(
/* [in] */ IWbemServices __RPC_FAR *pNamespace,
/* [in] */ IWbemObjectAccess __RPC_FAR *pTemplate,
/* [in] */ IWbemRefresher __RPC_FAR *pRefresher,
/* [in] */ long lFlags,
/* [in] */ IWbemContext __RPC_FAR *pContext,
/* [out] */ IWbemObjectAccess __RPC_FAR *__RPC_FAR *ppRefreshable,
/* [out] */ long __RPC_FAR *plId );
STDMETHODIMP StopRefreshing(
/* [in] */ IWbemRefresher __RPC_FAR *pRefresher,
/* [in] */ long lId,
/* [in] */ long lFlags );
STDMETHODIMP CreateRefreshableEnum(
/* [in] */ IWbemServices* pNamespace,
/* [in, string] */ LPCWSTR wszClass,
/* [in] */ IWbemRefresher* pRefresher,
/* [in] */ long lFlags,
/* [in] */ IWbemContext* pContext,
/* [in] */ IWbemHiPerfEnum* pHiPerfEnum,
/* [out] */ long* plId);
STDMETHODIMP QueryInstances(
/* [in] */ IWbemServices __RPC_FAR *pNamespace,
/* [string][in] */ WCHAR __RPC_FAR *wszClass,
/* [in] */ long lFlags,
/* [in] */ IWbemContext __RPC_FAR *pCtx,
/* [in] */ IWbemObjectSink __RPC_FAR *pSink );
STDMETHODIMP GetObjects(
/* [in] */ IWbemServices* pNamespace,
/* [in] */ long lNumObjects,
/* [in,size_is(lNumObjects)] */ IWbemObjectAccess** apObj,
/* [in] */ long lFlags,
/* [in] */ IWbemContext* pContext);
};
#endif // _HIPERFPROV_H_