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192 lines
4.4 KiB
192 lines
4.4 KiB
/*===================================================================
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Microsoft Denali
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Microsoft Confidential.
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Copyright 1997 Microsoft Corporation. All Rights Reserved.
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Component: Viper Integration Objects
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File: viperint.h
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Owner: DmitryR
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This file contains the definiton of viper integration classes
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===================================================================*/
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#ifndef VIPERINT_H
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#define VIPERINT_H
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#include "mtx.h"
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#include "mtxpriv.h"
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#include "comsvcs.h"
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#include "package.h"
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#include "asptlb.h" // needed to define interface pointers
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#include "memcls.h"
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class CHitObj; // forward decl
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/*===================================================================
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Transaction Support Types
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===================================================================*/
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#define TransType DWORD
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#define ttUndefined 0x00000000
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#define ttNotSupported 0x00000001
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#define ttSupported 0x00000002
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#define ttRequired 0x00000004
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#define ttRequiresNew 0x00000008
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/*===================================================================
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CViperAsyncRequest class implements IMTSCall interface.
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Its OnCall() method does HitObj processing.
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This is a private class used in CViperActivity class
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===================================================================*/
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class CViperAsyncRequest : public IServiceCall, public IAsyncErrorNotify
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{
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private:
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DWORD m_cRefs; // reference count
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CHitObj *m_pHitObj; // request
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IServiceActivity *m_pActivity;
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HRESULT m_hrOnError;
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DWORD m_dwRepostAttempts;
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private:
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CViperAsyncRequest();
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~CViperAsyncRequest();
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HRESULT Init(CHitObj *pHitObj, IServiceActivity *pActivity);
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public:
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#ifdef DBG
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virtual void AssertValid() const;
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#else
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virtual void AssertValid() const {}
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#endif
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public:
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// IUnknown Methods
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STDMETHODIMP QueryInterface(REFIID iid, void **ppv);
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STDMETHODIMP_(ULONG) AddRef();
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STDMETHODIMP_(ULONG) Release();
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// IServiceCall Method
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STDMETHODIMP OnCall();
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// IAsyncErrorNotify
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STDMETHODIMP OnError(HRESULT hr);
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friend class CViperActivity;
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// Cache on per-class basis
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ACACHE_INCLASS_DEFINITIONS()
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};
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extern volatile LONG g_nViperRequests;
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/*===================================================================
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CViperActivity corresponds to a Session.
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It creates MTS activity, and launches async requests
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===================================================================*/
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class CViperActivity
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{
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private:
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IServiceActivity *m_pActivity;
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DWORD m_cBind; // inited-flag + bind-to-thread count
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inline BOOL FInited() const { return (m_cBind > 0); }
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public:
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CViperActivity();
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~CViperActivity();
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// Create Viper activity
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HRESULT Init(IUnknown *pConfig);
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// Clone Viper activity
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HRESULT InitClone(CViperActivity *pActivity);
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// Bind/Unbind
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HRESULT BindToThread();
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HRESULT UnBindFromThread();
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// Release Viper activity
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HRESULT UnInit();
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// Check if thread-bound
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inline BOOL FThreadBound() const { return (m_cBind > 1); }
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// Post async request within this activity
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HRESULT PostAsyncRequest(CHitObj *pHitObj);
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// post async request without an activity
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static HRESULT PostGlobalAsyncRequest(CHitObj *pHitObj);
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public:
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#ifdef DBG
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virtual void AssertValid() const;
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#else
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virtual void AssertValid() const {}
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#endif
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// Cache on per-class basis
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ACACHE_INCLASS_DEFINITIONS()
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};
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/*===================================================================
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Misc. Functions
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===================================================================*/
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HRESULT ViperAttachIntrinsicsToContext
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(
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IApplicationObject *pAppln,
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ISessionObject *pSession = NULL,
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IRequest *pRequest = NULL,
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IResponse *pResponse = NULL,
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IServer *pServer = NULL
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);
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HRESULT ViperGetObjectFromContext
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(
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BSTR bstrName,
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IDispatch **ppdisp
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);
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HRESULT ViperGetHitObjFromContext
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(
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CHitObj **ppHitObj
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);
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HRESULT ViperCreateInstance
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(
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REFCLSID rclsid,
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REFIID riid,
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void **ppv
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);
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HRESULT ViperConfigure(DWORD cThreads, BOOL fAllowOopComponents);
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#ifdef UNUSED
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HRESULT SetViperThreadEvents();
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#endif //UNUSED
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/*===================================================================
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COM Helper API
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===================================================================*/
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BOOL ViperCoObjectIsaProxy
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(
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IUnknown *pUnk
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);
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BOOL ViperCoObjectAggregatesFTM
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(
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IUnknown *pUnk
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);
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#endif // VIPERINT
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