111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/***************************************************************************
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*
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* Copyright (C) 2001 Microsoft Corporation. All Rights Reserved.
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*
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* File: controlobj.h
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*
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* Content: Header for DP8SIM control interface object class.
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*
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* History:
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* Date By Reason
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* ======== ======== =========
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* 04/24/01 VanceO Created.
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*
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***************************************************************************/
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//=============================================================================
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// Macros
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//=============================================================================
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#ifndef OFFSETOF
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#define OFFSETOF(s,m) ( ( INT_PTR ) ( ( PVOID ) &( ( (s*) 0 )->m ) ) )
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#endif
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#ifndef CONTAINING_OBJECT
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#define CONTAINING_OBJECT(b,t,m) (reinterpret_cast<t*>(&reinterpret_cast<BYTE*>(b)[-OFFSETOF(t,m)]))
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#endif
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#define DP8SIMCONTROL_FROM_BILINK(b) (CONTAINING_OBJECT(b, CDP8SimControl, m_blList))
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//=============================================================================
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// Object flags
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//=============================================================================
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#define DP8SIMCONTROLOBJ_INITIALIZED 0x01 // object has been initialized
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//=============================================================================
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// Control interface object class
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//=============================================================================
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class CDP8SimControl : public IDP8SimControl
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{
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public:
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CDP8SimControl(void); // constructor
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~CDP8SimControl(void); // destructor
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STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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STDMETHODIMP Initialize(const DWORD dwFlags);
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STDMETHODIMP Close(const DWORD dwFlags);
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STDMETHODIMP EnableControlForSP(const GUID * const pguidSP, const WCHAR * const wszNewFriendlyName, const DWORD dwFlags);
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STDMETHODIMP DisableControlForSP(const GUID * const pguidSP, const DWORD dwFlags);
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STDMETHODIMP GetControlEnabledForSP(const GUID * const pguidSP, BOOL * const pfEnabled, const DWORD dwFlags);
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STDMETHODIMP GetAllParameters(DP8SIM_PARAMETERS * const pdp8spSend, DP8SIM_PARAMETERS * const pdp8spReceive, const DWORD dwFlags);
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STDMETHODIMP SetAllParameters(const DP8SIM_PARAMETERS * const pdp8spSend, const DP8SIM_PARAMETERS * const pdp8spReceive, const DWORD dwFlags);
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STDMETHODIMP GetAllStatistics(DP8SIM_STATISTICS * const pdp8ssSend, DP8SIM_STATISTICS * const pdp8ssReceive, const DWORD dwFlags);
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STDMETHODIMP ClearAllStatistics(const DWORD dwFlags);
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HRESULT InitializeObject(void);
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void UninitializeObject(void);
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CBilink m_blList; // list of all the DP8SimControl instances in existence
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private:
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BYTE m_Sig[4]; // debugging signature ('DP8S')
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LONG m_lRefCount; // reference count for this object
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DWORD m_dwFlags; // flags for this object
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DNCRITICAL_SECTION m_csLock; // lock preventing simultaneous usage of globals
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CDP8SimIPC m_DP8SimIPC; // object that handles interprocess communication
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inline BOOL IsValidObject(void)
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{
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if ((this == NULL) || (IsBadWritePtr(this, sizeof(CDP8SimControl))))
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{
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return FALSE;
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}
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if (*((DWORD*) (&this->m_Sig)) != 0x53385044) // 0x53 0x38 0x50 0x44 = 'S8PD' = 'DP8S' in Intel order
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{
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return FALSE;
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}
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return TRUE;
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};
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};
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