CPortTopology Class Reference

Inheritance diagram for CPortTopology:

Collaboration diagram for CPortTopology:

Public Member Functions
STDMETHODIMP	QueryInterface (REFIID InterfaceId, PVOID *Interface)
	STDMETHODIMP_ (ULONG) AddRef()
	STDMETHODIMP_ (ULONG) Release()
	CPortTopology (IUnknown *OuterUnknown)
virtual	~CPortTopology ()

Public Attributes
	IMP_IPortTopology
	IMP_ISubdevice
	IMP_IPortEvents

Protected Attributes
BOOL	m_bInitialized
PMINIPORTTOPOLOGY	m_pMiniport
PDEVICE_OBJECT	m_pDeviceObject
PPINCOUNT	m_pPinCount
PPOWERNOTIFY	m_pPowerNotify
PPCFILTER_DESCRIPTOR	m_pDescriptor
PSUBDEVICE_DESCRIPTOR	m_SubDeviceDescriptor
IPortFilterTopology *	m_Filter
LONG	m_Ref

Friends
PMINIPORTTOPOLOGY	GetTopologyMiniport (PPORTTOPOLOGY Port)

Detailed Description

Definition at line 17 of file port_topology.cpp.

Constructor & Destructor Documentation

CPortTopology()

CPortTopology::CPortTopology ( IUnknown *  OuterUnknown )

inline

Definition at line 43 of file port_topology.cpp.

{}

~CPortTopology()

virtual CPortTopology::~CPortTopology ( )

inlinevirtual

Definition at line 44 of file port_topology.cpp.

{}

Member Function Documentation

QueryInterface()

NTSTATUS NTAPI CPortTopology::QueryInterface	(	REFIID	InterfaceId,
		PVOID *	Interface
	)

Definition at line 130 of file port_topology.cpp.

{
    UNICODE_STRING GuidString;

    DPRINT("IPortTopology_fnQueryInterface\n");

    if (IsEqualGUIDAligned(refiid, IID_IPortTopology) ||
        IsEqualGUIDAligned(refiid, IID_IPort) ||
        IsEqualGUIDAligned(refiid, IID_IUnknown))
    {
        *Output = PVOID(PUNKNOWN((IPortTopology*)this));
        PUNKNOWN(*Output)->AddRef();
        return STATUS_SUCCESS;
    }
    else if (IsEqualGUIDAligned(refiid, IID_IPortEvents))
    {
        *Output = PVOID(PPORTEVENTS(this));
        PUNKNOWN(*Output)->AddRef();
        return STATUS_SUCCESS;
    }
    else if (IsEqualGUIDAligned(refiid, IID_ISubdevice))
    {
        *Output = PVOID(PSUBDEVICE(this));
        PUNKNOWN(*Output)->AddRef();
        return STATUS_SUCCESS;
    }
    else if (IsEqualGUIDAligned(refiid, IID_IPortClsVersion))
    {
        return NewPortClsVersion((PPORTCLSVERSION*)Output);
    }
    else if (IsEqualGUIDAligned(refiid, IID_IDrmPort) ||
             IsEqualGUIDAligned(refiid, IID_IDrmPort2))
    {
        return NewIDrmPort((PDRMPORT2*)Output);
    }
    else if (IsEqualGUIDAligned(refiid, IID_IUnregisterSubdevice))
    {
        return NewIUnregisterSubdevice((PUNREGISTERSUBDEVICE*)Output);
    }
    else if (IsEqualGUIDAligned(refiid, IID_IUnregisterPhysicalConnection))
    {
        return NewIUnregisterPhysicalConnection((PUNREGISTERPHYSICALCONNECTION*)Output);
    }

    if (RtlStringFromGUID(refiid, &GuidString) == STATUS_SUCCESS)
    {
        DPRINT1("IPortTopology_fnQueryInterface no interface!!! iface %S\n", GuidString.Buffer);
        RtlFreeUnicodeString(&GuidString);
    }
    return STATUS_UNSUCCESSFUL;
}

STDMETHODIMP_() [1/2]

CPortTopology::STDMETHODIMP_ ( ULONG  )

inline

Definition at line 24 of file port_topology.cpp.

    {
        InterlockedIncrement(&m_Ref);
        return m_Ref;
    }

STDMETHODIMP_() [2/2]

CPortTopology::STDMETHODIMP_ ( ULONG  )

inline

Definition at line 29 of file port_topology.cpp.

    {
        InterlockedDecrement(&m_Ref);

        if (!m_Ref)
        {
            delete this;
            return 0;
        }
        return m_Ref;
    }

Friends And Related Function Documentation

GetTopologyMiniport

PMINIPORTTOPOLOGY GetTopologyMiniport ( PPORTTOPOLOGY  Port )

friend

Definition at line 619 of file port_topology.cpp.

{
    CPortTopology * This = (CPortTopology*)Port;
    return This->m_pMiniport;
}

Member Data Documentation

IMP_IPortEvents

CPortTopology::IMP_IPortEvents

Definition at line 42 of file port_topology.cpp.

IMP_IPortTopology

CPortTopology::IMP_IPortTopology

Definition at line 40 of file port_topology.cpp.

IMP_ISubdevice

CPortTopology::IMP_ISubdevice

Definition at line 41 of file port_topology.cpp.

m_bInitialized

BOOL CPortTopology::m_bInitialized

protected

Definition at line 47 of file port_topology.cpp.

m_Filter

IPortFilterTopology* CPortTopology::m_Filter

protected

Definition at line 56 of file port_topology.cpp.

m_pDescriptor

PPCFILTER_DESCRIPTOR CPortTopology::m_pDescriptor

protected

Definition at line 54 of file port_topology.cpp.

m_pDeviceObject

PDEVICE_OBJECT CPortTopology::m_pDeviceObject

protected

Definition at line 50 of file port_topology.cpp.

m_pMiniport

PMINIPORTTOPOLOGY CPortTopology::m_pMiniport

protected

Definition at line 49 of file port_topology.cpp.

m_pPinCount

PPINCOUNT CPortTopology::m_pPinCount

protected

Definition at line 51 of file port_topology.cpp.

m_pPowerNotify

PPOWERNOTIFY CPortTopology::m_pPowerNotify

protected

Definition at line 52 of file port_topology.cpp.

m_Ref

LONG CPortTopology::m_Ref

protected

Definition at line 58 of file port_topology.cpp.

Referenced by STDMETHODIMP_().

m_SubDeviceDescriptor

PSUBDEVICE_DESCRIPTOR CPortTopology::m_SubDeviceDescriptor

protected

Definition at line 55 of file port_topology.cpp.

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The documentation for this class was generated from the following file:

• drivers/wdm/audio/backpln/portcls/port_topology.cpp