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CBuilder5
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DATA1.CAB
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mspaddr.h
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/*++
Copyright (c) 1998-1999 Microsoft Corporation
Module Name:
MSPaddr.h
Abstract:
Declaration of the CMSPAddress
--*/
#ifndef __MSPADDR_H_
#pragma option push -b -a8 -pc -A- /*P_O_Push*/
#define __MSPADDR_H_
typedef struct
{
LIST_ENTRY Link; // The link node. See ntrtl.h for detail.
MSP_EVENT_INFO MSPEventInfo; // The event code.
} MSPEVENTITEM, *PMSPEVENTITEM;
typedef HRESULT (*PFNCREATETERM) (
IN CComPtr<IMoniker> pMoniker,
IN MSP_HANDLE htAddress,
OUT ITTerminal **pTerm
);
typedef struct
{
DWORD dwMediaType;
const CLSID * clsidClassManager;
PFNCREATETERM pfnCreateTerm;
} STATIC_TERMINAL_TYPE;
/*++
Class Description:
Represents an MSP address.
--*/
class ATL_NO_VTABLE CMSPAddress :
public CComObjectRootEx<CComMultiThreadModelNoCS>,
public ITMSPAddress,
public IDispatchImpl<ITTerminalSupport, &IID_ITTerminalSupport, &LIBID_TAPI3Lib>
{
public:
// No need for free thread marshaling, because the MSP address object is
// always aggregated by the TAPI3 address object.
BEGIN_COM_MAP( CMSPAddress )
COM_INTERFACE_ENTRY( ITMSPAddress )
COM_INTERFACE_ENTRY( IDispatch )
COM_INTERFACE_ENTRY( ITTerminalSupport )
END_COM_MAP()
// The DERIVED class should DECLARE_AGGREGATABLE(className)
DECLARE_GET_CONTROLLING_UNKNOWN()
DECLARE_VQI()
CMSPAddress();
virtual ~CMSPAddress();
virtual ULONG MSPAddressAddRef(void) = 0;
virtual ULONG MSPAddressRelease(void) = 0;
// ITMSPAddress methods, called by TAPI.
STDMETHOD (Initialize) (
IN MSP_HANDLE htEvent
);
STDMETHOD (Shutdown) ();
STDMETHOD (CreateMSPCall) (
IN MSP_HANDLE htCall,
IN DWORD dwReserved,
IN DWORD dwMediaType,
IN IUnknown * pOuterUnknown,
OUT IUnknown ** ppMSPCall
) = 0;
STDMETHOD (ShutdownMSPCall) (
IN IUnknown * pMSPCall
) = 0;
STDMETHOD (ReceiveTSPData) (
IN IUnknown * pMSPCall,
IN LPBYTE pBuffer,
IN DWORD dwBufferSize
);
STDMETHOD (GetEvent) (
IN OUT DWORD * pdwSize,
OUT BYTE * pBuffer
);
// ITTerminalSupport methods, called by TAPI and/or the app.
STDMETHOD (get_StaticTerminals) (
OUT VARIANT * pVariant
);
STDMETHOD (EnumerateStaticTerminals) (
OUT IEnumTerminal ** ppTerminalEnumerator
);
STDMETHOD (get_DynamicTerminalClasses) (
OUT VARIANT * pVariant
);
STDMETHOD (EnumerateDynamicTerminalClasses) (
OUT IEnumTerminalClass ** ppTerminalClassEnumerator
);
STDMETHOD (CreateTerminal) (
IN BSTR pTerminalClass,
IN long lMediaType,
IN TERMINAL_DIRECTION Direction,
OUT ITTerminal ** ppTerminal
);
STDMETHOD (GetDefaultStaticTerminal) (
IN long lMediaType,
IN TERMINAL_DIRECTION Direction,
OUT ITTerminal ** ppTerminal
);
protected:
// ITTerminalSupport helper methods
virtual HRESULT GetStaticTerminals (
IN OUT DWORD * pdwNumTerminals,
OUT ITTerminal ** ppTerminals
);
virtual HRESULT GetDynamicTerminalClasses (
IN OUT DWORD * pdwNumClasses,
OUT IID * pTerminalClasses
);
public:
// methods used by the MSPCall object.
//
// Check to see if the mediatype is non-zero and is in the mask.
// Your MSP can override this if it needs to do special checks on
// specific combinations of media types (e.g., can never have more
// than one media type on a call, can never have video without
// audio, etc.) The default implementation accepts any nonempty
// set of media types that is a subset of the set of all supported
// media types (specified via the GetCallMediaTypes method).
//
virtual BOOL IsValidSetOfMediaTypes(DWORD dwMediaType, DWORD dwMask);
// Note: the eventItem must be allocated by malloc or new
// (when the event is processed, it is deleted).
virtual HRESULT PostEvent(
IN MSPEVENTITEM * EventItem
);
// method used by template function
virtual DWORD GetCallMediaTypes(void) = 0;
protected:
// Private helper function (protected so derived class can call it)
virtual HRESULT UpdateTerminalList(void);
virtual HRESULT ReceiveTSPAddressData(
IN PBYTE pBuffer,
IN DWORD dwSize
);
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;
}
#pragma option pop /*P_O_Pop*/
#endif //__MSPADDRESS_H_