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