129 lines
2.8 KiB
C++
129 lines
2.8 KiB
C++
/*++
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Copyright (C) 1997-2001 Microsoft Corporation
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Module Name:
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RESPROX.CPP
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Abstract:
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Defines the CResProxy object
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History:
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a-davj 27-June-97 Created.
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--*/
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#include "precomp.h"
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CProvProxy* CResProxy_LPipe::GetProvProxy (IStubAddress& dwAddr)
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{
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return new CProvProxy_LPipe (m_pComLink, dwAddr);
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}
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//***************************************************************************
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//
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// CResProxy::CResProxy
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//
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// DESCRIPTION:
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//
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// Constructor
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//
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// PARAMETERS:
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//
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// pComLink Comlink used to set calls to stub
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// stubAddr remote stub
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//
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//***************************************************************************
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CResProxy::CResProxy(
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IN CComLink * pComLink,
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IN IStubAddress& stubAddr)
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: CProxy(pComLink, stubAddr)
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{
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m_cRef = 0;
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/*
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* Aggregate the free-threaded marshaler for cheap in-proc
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* threading as we are thread-safe.
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*/
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HRESULT hRes = CoCreateFreeThreadedMarshaler ((IUnknown *) this, &m_pUnkInner);
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ObjectCreated(OBJECT_TYPE_RESPROXY);
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return;
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}
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//***************************************************************************
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//
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// CResProxy::~CResProxy
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//
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// DESCRIPTION:
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//
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// Destructor.
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//
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//***************************************************************************
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CResProxy::~CResProxy(void)
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{
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ObjectDestroyed(OBJECT_TYPE_RESPROXY);
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return;
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}
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//***************************************************************************
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// HRESULT CResProxy::QueryInterface
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// long CResProxy::AddRef
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// long CResProxy::Release
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//
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// DESCRIPTION:
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//
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// Standard Com IUNKNOWN functions.
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//
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//***************************************************************************
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STDMETHODIMP CResProxy::QueryInterface(
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REFIID riid,
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PPVOID ppv)
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{
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*ppv=NULL;
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// Delegate queries for IMarshal to the aggregated
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// free-threaded marshaler
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if (IID_IMarshal==riid && m_pUnkInner)
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return m_pUnkInner->QueryInterface (riid, ppv);
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if ((IID_IUnknown==riid || IID_IWbemCallResult == riid) &&
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m_pComLink != NULL && GetStubAdd ().IsValid () && ppv)
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*ppv=this;
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if (NULL!=*ppv) {
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AddRef();
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return NOERROR;
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}
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else
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) CResProxy::AddRef(void)
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{
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InterlockedIncrement(&m_cRef);
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return m_cRef;
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}
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STDMETHODIMP_(ULONG) CResProxy::Release(void)
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{
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InterlockedDecrement(&m_cRef);
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if (0L!=m_cRef)
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return m_cRef;
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// refernce count is zero, delete this object and the remote object
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ReleaseProxy ();
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m_cRef++; // Artificial reference count to prevent re-entrancy
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delete this;
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return 0;
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}
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