684 lines
16 KiB
C
684 lines
16 KiB
C
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/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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MSPaddr.h
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Abstract:
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Declaration of the CMSPAddress
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--*/
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#ifndef __MSPADDR_H_
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#define __MSPADDR_H_
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typedef struct
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{
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LIST_ENTRY Link; // The link node. See ntrtl.h for detail.
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MSP_EVENT_INFO MSPEventInfo; // The event code.
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} MSPEVENTITEM, *PMSPEVENTITEM;
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//
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// these functions should be used to allocate and deallocate MSPEVENTITEM
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// structures. In case of failure, the caller can call GetLastError()
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// to get exact cause of the failure.
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//
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//
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// nExtraBytes specifies how many extra (in addition to sizeof(MSPEVENTITEM))
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// bytes to allocate.
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//
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MSPEVENTITEM *AllocateEventItem(SIZE_T nExtraBytes = 0);
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BOOL FreeEventItem(MSPEVENTITEM *pEventItemToFree);
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typedef HRESULT (*PFNCREATETERM) (
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IN CComPtr<IMoniker> pMoniker,
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IN MSP_HANDLE htAddress,
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OUT ITTerminal **pTerm
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);
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typedef struct
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{
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DWORD dwMediaType;
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const CLSID * clsidClassManager;
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PFNCREATETERM pfnCreateTerm;
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} STATIC_TERMINAL_TYPE;
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class ATL_NO_VTABLE CPlugTerminalClassInfo :
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public IDispatchImpl<ITPluggableTerminalClassInfo, &IID_ITPluggableTerminalClassInfo, &LIBID_TAPI3Lib>,
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public CComObjectRootEx<CComMultiThreadModel>,
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public CMSPObjectSafetyImpl
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{
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public:
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DECLARE_GET_CONTROLLING_UNKNOWN()
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virtual HRESULT FinalConstruct(void);
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BEGIN_COM_MAP(CPlugTerminalClassInfo)
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COM_INTERFACE_ENTRY(ITPluggableTerminalClassInfo)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(IObjectSafety)
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COM_INTERFACE_ENTRY_AGGREGATE(IID_IMarshal, m_pFTM)
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END_COM_MAP()
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public:
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CPlugTerminalClassInfo() :
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m_bstrName(NULL),
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m_bstrCompany(NULL),
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m_bstrVersion(NULL),
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m_bstrCLSID(NULL),
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m_bstrTerminalClass(NULL),
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m_lMediaType(1),
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m_Direction(TD_CAPTURE),
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m_pFTM(NULL)
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{
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}
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~CPlugTerminalClassInfo()
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{
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if( m_bstrName )
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{
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SysFreeString( m_bstrName );
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}
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if( m_bstrCompany )
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{
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SysFreeString( m_bstrCompany );
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}
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if( m_bstrVersion )
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{
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SysFreeString( m_bstrVersion );
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}
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if( m_bstrCLSID )
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{
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SysFreeString( m_bstrCLSID );
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}
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if( m_bstrTerminalClass )
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{
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SysFreeString( m_bstrTerminalClass );
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}
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if( m_pFTM )
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{
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m_pFTM->Release();
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}
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}
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public:
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STDMETHOD(get_Name)(
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/*[out, retval]*/ BSTR* pName
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);
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STDMETHOD(get_Company)(
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/*[out, retval]*/ BSTR* pCompany
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);
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STDMETHOD(get_Version)(
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/*[out, retval]*/ BSTR* pVersion
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);
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STDMETHOD(get_TerminalClass)(
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/*[out, retval]*/ BSTR* pTerminalClass
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);
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STDMETHOD(get_CLSID)(
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/*[out, retval]*/ BSTR* pCLSID
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);
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STDMETHOD(get_Direction)(
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/*[out, retval]*/ TERMINAL_DIRECTION* pDirection
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);
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STDMETHOD(get_MediaTypes)(
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/*[out, retval]*/ long* pMediaTypes
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);
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private:
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CMSPCritSection m_CritSect; // Critical Section
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BSTR m_bstrName;
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BSTR m_bstrCompany;
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BSTR m_bstrVersion;
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BSTR m_bstrTerminalClass;
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BSTR m_bstrCLSID;
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long m_lMediaType;
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TERMINAL_DIRECTION m_Direction;
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IUnknown* m_pFTM; // pointer to the free threaded marshaler
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private:
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STDMETHOD(put_Name)(
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/*[in]*/ BSTR bstrName
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);
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STDMETHOD(put_Company)(
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/*[in]*/ BSTR bstrCompany
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);
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STDMETHOD(put_Version)(
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/*[in]*/ BSTR bstrVersion
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);
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STDMETHOD(put_TerminalClass)(
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/*[in]*/ BSTR bstrTerminalClass
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);
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STDMETHOD(put_CLSID)(
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/*[in]*/ BSTR bstrCLSID
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);
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STDMETHOD(put_Direction)(
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/*[in]*/ TERMINAL_DIRECTION nDirection
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);
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STDMETHOD(put_MediaTypes)(
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/*[in]*/ long nMediaTypes
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);
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friend class CMSPAddress;
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};
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class ATL_NO_VTABLE CPlugTerminalSuperclassInfo :
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public IDispatchImpl<ITPluggableTerminalSuperclassInfo, &IID_ITPluggableTerminalSuperclassInfo, &LIBID_TAPI3Lib>,
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public CComObjectRootEx<CComMultiThreadModel>,
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public CMSPObjectSafetyImpl
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{
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public:
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DECLARE_GET_CONTROLLING_UNKNOWN()
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virtual HRESULT FinalConstruct(void);
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BEGIN_COM_MAP(CPlugTerminalSuperclassInfo)
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COM_INTERFACE_ENTRY(ITPluggableTerminalSuperclassInfo)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(IObjectSafety)
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COM_INTERFACE_ENTRY_AGGREGATE(IID_IMarshal, m_pFTM)
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END_COM_MAP()
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public:
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CPlugTerminalSuperclassInfo() :
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m_bstrCLSID(NULL),
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m_bstrName(NULL),
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m_pFTM(NULL)
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{
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}
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~CPlugTerminalSuperclassInfo()
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{
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if( m_bstrName )
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{
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SysFreeString( m_bstrName );
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}
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if( m_bstrCLSID )
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{
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SysFreeString( m_bstrCLSID );
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}
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if( m_pFTM )
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{
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m_pFTM->Release();
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}
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}
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public:
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STDMETHOD(get_Name)(
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/*[out, retval]*/ BSTR* pName
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);
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STDMETHOD(get_CLSID)(
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/*[out, retval]*/ BSTR* pCLSID
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);
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private:
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CMSPCritSection m_CritSect; // Critical Section
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BSTR m_bstrCLSID;
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BSTR m_bstrName;
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IUnknown* m_pFTM; // pointer to the free threaded marshaler
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private:
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STDMETHOD(put_Name)(
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/*[in]*/ BSTR bstrName
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);
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STDMETHOD(put_CLSID)(
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/*[in]*/ BSTR bstrCLSID
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);
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friend class CMSPAddress;
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};
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/*++
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Class Description:
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Represents an MSP address.
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--*/
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class ATL_NO_VTABLE CMSPAddress :
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public ITMSPAddress,
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public IDispatchImpl<ITTerminalSupport2, &IID_ITTerminalSupport2, &LIBID_TAPI3Lib>
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{
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public:
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// No need for free thread marshaling, because the MSP address object is
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// always aggregated by the TAPI3 address object.
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BEGIN_COM_MAP( CMSPAddress )
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COM_INTERFACE_ENTRY( ITMSPAddress )
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COM_INTERFACE_ENTRY( IDispatch )
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COM_INTERFACE_ENTRY( ITTerminalSupport )
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COM_INTERFACE_ENTRY( ITTerminalSupport2 )
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END_COM_MAP()
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// The DERIVED class should DECLARE_AGGREGATABLE(className)
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DECLARE_GET_CONTROLLING_UNKNOWN()
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DECLARE_VQI()
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CMSPAddress();
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virtual ~CMSPAddress();
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virtual ULONG MSPAddressAddRef(void) = 0;
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virtual ULONG MSPAddressRelease(void) = 0;
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// ITMSPAddress methods, called by TAPI.
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STDMETHOD (Initialize) (
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IN MSP_HANDLE htEvent
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);
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STDMETHOD (Shutdown) ();
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STDMETHOD (CreateMSPCall) (
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IN MSP_HANDLE htCall,
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IN DWORD dwReserved,
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IN DWORD dwMediaType,
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IN IUnknown * pOuterUnknown,
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OUT IUnknown ** ppMSPCall
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) = 0;
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STDMETHOD (ShutdownMSPCall) (
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IN IUnknown * pMSPCall
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) = 0;
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STDMETHOD (ReceiveTSPData) (
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IN IUnknown * pMSPCall,
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IN LPBYTE pBuffer,
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IN DWORD dwBufferSize
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);
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STDMETHOD (GetEvent) (
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IN OUT DWORD * pdwSize,
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OUT BYTE * pBuffer
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);
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// ITTerminalSupport methods, called by TAPI and/or the app.
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STDMETHOD (get_StaticTerminals) (
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OUT VARIANT * pVariant
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);
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STDMETHOD (EnumerateStaticTerminals) (
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OUT IEnumTerminal ** ppTerminalEnumerator
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);
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STDMETHOD (get_DynamicTerminalClasses) (
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OUT VARIANT * pVariant
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);
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STDMETHOD (EnumerateDynamicTerminalClasses) (
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OUT IEnumTerminalClass ** ppTerminalClassEnumerator
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);
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STDMETHOD (CreateTerminal) (
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IN BSTR pTerminalClass,
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IN long lMediaType,
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IN TERMINAL_DIRECTION Direction,
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OUT ITTerminal ** ppTerminal
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);
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STDMETHOD (GetDefaultStaticTerminal) (
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IN long lMediaType,
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IN TERMINAL_DIRECTION Direction,
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OUT ITTerminal ** ppTerminal
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);
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STDMETHOD (get_PluggableSuperclasses)(
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OUT VARIANT * pVariant
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);
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STDMETHOD (EnumeratePluggableSuperclasses)(
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OUT IEnumPluggableSuperclassInfo** ppSuperclassEnumerator
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);
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STDMETHOD (get_PluggableTerminalClasses)(
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IN BSTR bstrTerminalSuperclass,
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IN long lMediaType,
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OUT VARIANT * pVariant
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);
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STDMETHOD (EnumeratePluggableTerminalClasses)(
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IN CLSID iidTerminalSuperclass,
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IN long lMediaType,
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OUT IEnumPluggableTerminalClassInfo ** ppClassEnumerator
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);
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protected:
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// ITTerminalSupport helper methods
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virtual HRESULT GetStaticTerminals (
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IN OUT DWORD * pdwNumTerminals,
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OUT ITTerminal ** ppTerminals
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);
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virtual HRESULT GetDynamicTerminalClasses (
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IN OUT DWORD * pdwNumClasses,
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OUT IID * pTerminalClasses
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);
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public:
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// methods used by the MSPCall object.
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//
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// Check to see if the mediatype is non-zero and is in the mask.
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// Your MSP can override this if it needs to do special checks on
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// specific combinations of media types (e.g., can never have more
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// than one media type on a call, can never have video without
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// audio, etc.) The default implementation accepts any nonempty
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// set of media types that is a subset of the set of all supported
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// media types (specified via the GetCallMediaTypes method).
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//
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virtual BOOL IsValidSetOfMediaTypes(DWORD dwMediaType, DWORD dwMask);
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// Note: the eventItem must be allocated by malloc or new
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// (when the event is processed, it is deleted).
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virtual HRESULT PostEvent(
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IN MSPEVENTITEM * EventItem
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);
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|
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// method used by template function
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||
|
|
|
||
|
|
virtual DWORD GetCallMediaTypes(void) = 0;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
|
||
|
|
// Private helper function (protected so derived class can call it)
|
||
|
|
|
||
|
|
virtual HRESULT IsMonikerInTerminalList(IMoniker* pMoniker);
|
||
|
|
|
||
|
|
virtual HRESULT UpdateTerminalListForPnp(
|
||
|
|
IN BOOL bDeviceArrival
|
||
|
|
);
|
||
|
|
|
||
|
|
virtual HRESULT UpdateTerminalList(void);
|
||
|
|
|
||
|
|
virtual HRESULT ReceiveTSPAddressData(
|
||
|
|
IN PBYTE pBuffer,
|
||
|
|
IN DWORD dwSize
|
||
|
|
);
|
||
|
|
|
||
|
|
public:
|
||
|
|
// methods used by the MSPThread object.
|
||
|
|
|
||
|
|
virtual HRESULT PnpNotifHandler(
|
||
|
|
IN BOOL bDeviceArrival
|
||
|
|
);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
|
||
|
|
// The handle to TAPI's event, which is used to notify TAPI that the MSP
|
||
|
|
// wants to send data to it.
|
||
|
|
HANDLE m_htEvent;
|
||
|
|
|
||
|
|
// List of events.
|
||
|
|
LIST_ENTRY m_EventList;
|
||
|
|
|
||
|
|
// The lock that protects the data related to event handling with TAPI.
|
||
|
|
CMSPCritSection m_EventDataLock;
|
||
|
|
|
||
|
|
|
||
|
|
// The pointer to the terminal manager object.
|
||
|
|
ITTerminalManager * m_pITTerminalManager;
|
||
|
|
|
||
|
|
// The list of static terminals that can be used on the address.
|
||
|
|
CMSPArray <ITTerminal *> m_Terminals;
|
||
|
|
BOOL m_fTerminalsUpToDate;
|
||
|
|
|
||
|
|
// The lock that protects the data members for terminal operations.
|
||
|
|
CMSPCritSection m_TerminalDataLock;
|
||
|
|
|
||
|
|
private:
|
||
|
|
static const STATIC_TERMINAL_TYPE m_saTerminalTypes[];
|
||
|
|
static const DWORD m_sdwTerminalTypesCount;
|
||
|
|
};
|
||
|
|
|
||
|
|
template <class T>
|
||
|
|
HRESULT CreateMSPCallHelper(
|
||
|
|
IN CMSPAddress * pCMSPAddress,
|
||
|
|
IN MSP_HANDLE htCall,
|
||
|
|
IN DWORD dwReserved,
|
||
|
|
IN DWORD dwMediaType,
|
||
|
|
IN IUnknown * pOuterUnknown,
|
||
|
|
OUT IUnknown ** ppMSPCall,
|
||
|
|
OUT T ** ppCMSPCall
|
||
|
|
)
|
||
|
|
{
|
||
|
|
LOG((MSP_TRACE, "CreateMSPCallHelper - enter"));
|
||
|
|
|
||
|
|
HRESULT hr;
|
||
|
|
T * pMSPCall;
|
||
|
|
IUnknown *pUnknown = NULL;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Check parameters.
|
||
|
|
//
|
||
|
|
|
||
|
|
if ( IsBadReadPtr(pCMSPAddress, sizeof(CMSPAddress) ) )
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "CreateMSPCallHelper - "
|
||
|
|
"bad address pointer - exit E_POINTER"));
|
||
|
|
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( IsBadReadPtr(pOuterUnknown, sizeof(IUnknown) ) )
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "CreateMSPCallHelper - "
|
||
|
|
"bad outer unknown - we require aggregation - exit E_POINTER"));
|
||
|
|
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( IsBadReadPtr(ppMSPCall, sizeof(IUnknown *) ) )
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "CreateMSPCallHelper - "
|
||
|
|
"bad iunknown return ptr - exit E_POINTER"));
|
||
|
|
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( IsBadReadPtr(ppCMSPCall, sizeof(T *) ) )
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "CreateMSPCallHelper - "
|
||
|
|
"bad class return ptr - exit E_POINTER"));
|
||
|
|
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! pCMSPAddress->IsValidSetOfMediaTypes(
|
||
|
|
dwMediaType,
|
||
|
|
pCMSPAddress->GetCallMediaTypes() ) )
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "CreateMSPCallHelper - "
|
||
|
|
"unsupported media types - exit TAPI_E_INVALIDMEDIATYPE"));
|
||
|
|
|
||
|
|
return TAPI_E_INVALIDMEDIATYPE;
|
||
|
|
}
|
||
|
|
|
||
|
|
// dwReserved is meaningless.
|
||
|
|
// We have no way of checking htCall.
|
||
|
|
|
||
|
|
// the pOuterUnknown is not NULL. This object is going to be aggregated.
|
||
|
|
CComAggObject<T> * pCall;
|
||
|
|
|
||
|
|
pCall = new CComAggObject<T>(pOuterUnknown);
|
||
|
|
|
||
|
|
if (pCall == NULL)
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "CreateMSPCallHelper - "
|
||
|
|
"could not create agg call instance - exit E_OUTOFMEMORY"));
|
||
|
|
|
||
|
|
return E_OUTOFMEMORY;
|
||
|
|
}
|
||
|
|
|
||
|
|
// query the interface on the containing object.
|
||
|
|
hr = pCall->QueryInterface(IID_IUnknown, (void **)&pUnknown);
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "CreateMSPCallHelper - "
|
||
|
|
"QueryInterface failed: %x", hr));
|
||
|
|
|
||
|
|
delete pCall;
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = pCall->FinalConstruct();
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "CreateMSPCallHelper - "
|
||
|
|
"FinalConstruct failed: %x.", hr));
|
||
|
|
|
||
|
|
pUnknown->Release();
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get a pointer to the real MSPCall object.
|
||
|
|
pMSPCall = dynamic_cast<T *>(&(pCall->m_contained));
|
||
|
|
if (pMSPCall == NULL)
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "CreateMSPCallHelper - "
|
||
|
|
"can not cast to agg object to class pointer - "
|
||
|
|
"exit E_UNEXPECTED"));
|
||
|
|
|
||
|
|
pUnknown->Release();
|
||
|
|
return E_UNEXPECTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// initialize the call.
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = pMSPCall->Init(pCMSPAddress, htCall, dwReserved, dwMediaType);
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "CreateMSPCallHelper - "
|
||
|
|
"call init failed: %x", hr));
|
||
|
|
|
||
|
|
pUnknown->Release();
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
*ppMSPCall = pUnknown;
|
||
|
|
*ppCMSPCall = pMSPCall;
|
||
|
|
|
||
|
|
LOG((MSP_TRACE, "CreateMSPCallHelper - exit S_OK"));
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class T>
|
||
|
|
HRESULT ShutdownMSPCallHelper(
|
||
|
|
IN IUnknown * pUnknown,
|
||
|
|
OUT T ** ppCMSPCall
|
||
|
|
)
|
||
|
|
{
|
||
|
|
LOG((MSP_TRACE, "ShutdownMSPCallHelper - enter"));
|
||
|
|
|
||
|
|
if ( IsBadReadPtr(pUnknown, sizeof(IUnknown) ) )
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "ShutdownMSPCallHelper - "
|
||
|
|
"bad IUnknown pointer - exit E_POINTER"));
|
||
|
|
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( IsBadWritePtr(ppCMSPCall, sizeof(T *) ) )
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "ShutdownMSPCallHelper - "
|
||
|
|
"bad return pointer - exit E_POINTER"));
|
||
|
|
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
T * pMSPCall;
|
||
|
|
|
||
|
|
CComAggObject<T> * pCall = dynamic_cast<CComAggObject<T> *> (pUnknown);
|
||
|
|
|
||
|
|
if (pCall == NULL)
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "ShutdownMSPCallHelper - "
|
||
|
|
"can't cast unknown to agg object pointer - exit E_UNEXPECTED"));
|
||
|
|
|
||
|
|
return E_UNEXPECTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// It was aggregated. Get a pointer to the real MSPCall object.
|
||
|
|
//
|
||
|
|
|
||
|
|
pMSPCall = dynamic_cast<T *> (&(pCall->m_contained));
|
||
|
|
|
||
|
|
if (pMSPCall == NULL)
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "ShutdownMSPCallHelper - "
|
||
|
|
"can't cast contained unknown to class pointer - "
|
||
|
|
"exit E_UNEXPECTED"));
|
||
|
|
|
||
|
|
return E_UNEXPECTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Now we have a call to shut down. Shut it down.
|
||
|
|
//
|
||
|
|
|
||
|
|
HRESULT hr = pMSPCall->ShutDown();
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
LOG((MSP_ERROR, "ShutdownMSPCallHelper - "
|
||
|
|
"ShutDownMSPCall failed: %x", hr));
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
*ppCMSPCall = pMSPCall;
|
||
|
|
|
||
|
|
LOG((MSP_TRACE, "ShutdownMSPCallHelper - exit S_OK"));
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif //__MSPADDRESS_H_
|