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/*++
Copyright (c) Microsoft Corporation, All Rights Reserved
Module Name:
queue.cpp
Abstract:
This file implements the I/O queue interface and performs
the read/write/ioctl operations.
Environment:
Windows User-Mode Driver Framework (WUDF)
--*/
#include "internal.h"
#include "queue.tmh"
CMyQueue::CMyQueue(
_In_ PCMyDevice Device
) :
m_FxQueue(NULL),
m_Device(Device)
{
}
//
// Queue destructor.
// Free up the buffer, wait for thread to terminate and
//
CMyQueue::~CMyQueue(
VOID
)
/*++
Routine Description:
IUnknown implementation of Release
Aruments:
Return Value:
ULONG (reference count after Release)
--*/
{
TraceEvents(TRACE_LEVEL_INFORMATION,
TEST_TRACE_QUEUE,
"%!FUNC! Entry"
);
}
HRESULT
STDMETHODCALLTYPE
CMyQueue::QueryInterface(
_In_ REFIID InterfaceId,
_Outptr_ PVOID *Object
)
/*++
Routine Description:
Query Interface
Aruments:
Follows COM specifications
Return Value:
HRESULT indicatin success or failure
--*/
{
HRESULT hr;
hr = CUnknown::QueryInterface(InterfaceId, Object);
return hr;
}
//
// Initialize
//
HRESULT
CMyQueue::Initialize(
_In_ WDF_IO_QUEUE_DISPATCH_TYPE DispatchType,
_In_ bool Default,
_In_ bool PowerManaged
)
{
IWDFIoQueue *fxQueue;
HRESULT hr;
//
// Create the I/O Queue object.
//
{
IUnknown *callback = QueryIUnknown();
hr = m_Device->GetFxDevice()->CreateIoQueue(
callback,
Default,
DispatchType,
PowerManaged,
FALSE,
&fxQueue
);
callback->Release();
}
if (SUCCEEDED(hr))
{
m_FxQueue = fxQueue;
//
// Release the creation reference on the queue. This object will be
// destroyed before the queue so we don't need to have a reference out
// on it.
//
fxQueue->Release();
}
return hr;
}
HRESULT
CMyQueue::Configure(
VOID
)
{
return S_OK;
}
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