Leaked source code of windows server 2003
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//***************************************************************************
//
// Copyright © Microsoft Corporation. All rights reserved.
//
// MethodCo.h
//
// Purpose: declaration of MethodContext class
//
//***************************************************************************
#if _MSC_VER > 1000
#pragma once
#endif
#ifndef _METHOD_CONTEXT_H__
#define _METHOD_CONTEXT_H__
//#include "ThrdBase.h"
//#include "refptrco.h"
#ifdef PROVIDER_INSTRUMENTATION
#include <stopwatch.h>
#endif
class CInstance;
class Provider;
class MethodContext;
class CWbemProviderGlue;
class InternalMethodContextAsynch;
typedef HRESULT (WINAPI *LPProviderInstanceCallback)(Provider *pProvider, CInstance *pInstance, MethodContext *pContext, void *pUserData);
//////////////////////////////////////////////////////
//
// STRUCT MethodContext
//
// a little something to make sure we can keep our threads from getting tangled
// idea is that there is one MethodContext for each request from CIMOM or another provider
// pointers are passed around.
//////////////////////////////////////////////////////
class POLARITY MethodContext : public CThreadBase
{
public:
friend InternalMethodContextAsynch;
friend CWbemProviderGlue;
MethodContext(IWbemContext __RPC_FAR *piContext, CWbemProviderGlue *pGlue);
~MethodContext();
virtual HRESULT Commit(CInstance *pInstance) = 0;
virtual IWbemContext __RPC_FAR *GetIWBEMContext();
LONG AddRef(void);
LONG Release(void);
virtual void QueryPostProcess(void);
bool SetStatusObject(IWbemClassObject *pObj);
IWbemClassObject __RPC_FAR *GetStatusObject();
#ifdef PROVIDER_INSTRUMENTATION
StopWatch *pStopWatch;
#endif
private:
CWbemProviderGlue* GetProviderGlue();
CWbemProviderGlue *m_pGlue;
IWbemContext __RPC_FAR *m_pContext;
IWbemClassObject __RPC_FAR *m_pStatusObject;
};
// for queries and suchlike that originate in CIMOM
class
__declspec(uuid("9113D3B4-D114-11d2-B35D-00104BC97924"))
ExternalMethodContext : public MethodContext
{
public:
ExternalMethodContext(IWbemObjectSink __RPC_FAR *pResponseHandler,
IWbemContext __RPC_FAR *pContext,
CWbemProviderGlue *pGlue,
void *pReserved = NULL
);
HRESULT Commit(CInstance *pInstance);
virtual void QueryPostProcess(void);
LONG AddRef(void);
LONG Release(void);
private:
IWbemObjectSink __RPC_FAR *m_pResponseHandler;
void *m_pReserved;
};
// for queries and suchlike that come from within.
// contains a list of objects returned.
class
__declspec(uuid("6AF4B074-D121-11d2-B35D-00104BC97924"))
InternalMethodContext : public MethodContext
{
public:
InternalMethodContext(TRefPointerCollection<CInstance> *pList ,
IWbemContext __RPC_FAR *pContext,
CWbemProviderGlue *pGlue);
~InternalMethodContext();
HRESULT Commit(CInstance *pInstance);
LONG AddRef(void);
LONG Release(void);
private:
TRefPointerCollection<CInstance> *m_pInstances;
};
// for queries and suchlike that come from within.
// "Asynch" is a bit of a misnomer - but it does help support
// asynchronous calls, in that each instance committed is routed
// to a callback function supplied by the requester
class
__declspec(uuid("D98A82E8-D121-11d2-B35D-00104BC97924"))
InternalMethodContextAsynch : public MethodContext
{
public:
InternalMethodContextAsynch(Provider *pThat,
LPProviderInstanceCallback pCallback,
IWbemContext __RPC_FAR *pContext,
MethodContext *pUsersContext,
void *pUserData);
~InternalMethodContextAsynch();
HRESULT Commit(CInstance *pInstance);
LONG AddRef(void);
LONG Release(void);
private:
Provider *m_pThat;
LPProviderInstanceCallback m_pCallback;
void *m_pUserData;
MethodContext *m_pUsersContext;
};
#endif