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/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.
Copyright (c) Microsoft Corporation. All rights reserved
Module Name:
IoQueue.h
Abstract:
This file defines the queue callback interface.
Environment:
Windows User-Mode Driver Framework (WUDF)
--*/
#pragma once
//
// Queue Callback Object.
//
class CBiometricIoQueue :
public CComObjectRootEx<CComMultiThreadModel>,
public IQueueCallbackDeviceIoControl
{
public:
DECLARE_NOT_AGGREGATABLE(CBiometricIoQueue)
BEGIN_COM_MAP(CBiometricIoQueue)
COM_INTERFACE_ENTRY(IQueueCallbackDeviceIoControl)
END_COM_MAP()
CBiometricIoQueue() :
m_FxQueue(NULL),
m_BiometricDevice(NULL)
{
}
~CBiometricIoQueue()
{
// empty
}
HRESULT
Initialize(
_In_ IWDFDevice *FxDevice,
_In_ CBiometricDevice *BiometricDevice
);
static
HRESULT
CreateInstanceAndInitialize(
_In_ IWDFDevice *FxDevice,
_In_ CBiometricDevice *BiometricDevice,
_Out_ CBiometricIoQueue** Queue
);
HRESULT
Configure(
VOID
)
{
return S_OK;
}
VOID
Start(
)
{
m_FxQueue->Start();
}
VOID
StopSynchronously(
)
{
m_FxQueue->StopSynchronously();
}
//
// Wdf Callbacks
//
//
// IQueueCallbackDeviceIoControl
//
virtual
VOID
STDMETHODCALLTYPE
OnDeviceIoControl(
_In_ IWDFIoQueue *pWdfQueue,
_In_ IWDFIoRequest *pWdfRequest,
_In_ ULONG ControlCode,
_In_ SIZE_T InputBufferSizeInBytes,
_In_ SIZE_T OutputBufferSizeInBytes
);
//
// Private member variables.
//
private:
//
// Weak reference to framework queue object.
//
IWDFIoQueue * m_FxQueue;
//
// Pointer to device class.
//
CBiometricDevice * m_BiometricDevice;
};
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