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#pragma once
// This class is used to store the connected client information.
// This is for demonstration purposes only - this driver does not
// make use of the information.
class ClientContext : public IUnknown
{
public:
ClientContext() :
MajorVersion(0),
MinorVersion(0),
Revision(0),
m_cRef(1)
{
}
~ClientContext()
{
}
public: // IUnknown
ULONG __stdcall AddRef()
{
InterlockedIncrement((long*) &m_cRef);
return m_cRef;
}
_At_(this, __drv_freesMem(Mem))
ULONG __stdcall Release()
{
ULONG ulRefCount = m_cRef - 1;
if (InterlockedDecrement((long*) &m_cRef) == 0)
{
delete this;
return 0;
}
return ulRefCount;
}
HRESULT __stdcall QueryInterface(
REFIID riid,
void** ppv)
{
HRESULT hr = S_OK;
if(riid == IID_IUnknown)
{
*ppv = static_cast<IUnknown*>(this);
AddRef();
}
else
{
*ppv = NULL;
hr = E_NOINTERFACE;
}
return hr;
}
private:
DWORD m_cRef;
public:
CAtlStringW ClientName;
CAtlStringW EventCookie;
DWORD MajorVersion;
DWORD MinorVersion;
DWORD Revision;
};
class WpdBaseDriver :
public IUnknown
{
public:
WpdBaseDriver();
virtual ~WpdBaseDriver();
HRESULT Initialize(_In_ LPCWSTR pszPortName, _In_ IPortableDeviceClassExtension* pPortableDeviceClassExtension);
VOID Uninitialize();
HRESULT DispatchWpdMessage(_In_ IPortableDeviceValues* pParams,
_In_ IPortableDeviceValues* pResults);
private:
HRESULT OnSaveClientInfo(_In_ IPortableDeviceValues* pParams,
_In_ IPortableDeviceValues* pResults);
HRESULT OnGetObjectIDsFromPersistentUniqueIDs(_In_ IPortableDeviceValues* pParams,
_In_ IPortableDeviceValues* pResults);
public: // IUnknown
ULONG __stdcall AddRef();
_At_(this, __drv_freesMem(Mem))
ULONG __stdcall Release();
HRESULT __stdcall QueryInterface(REFIID riid, void** ppv);
private:
WpdObjectEnumerator m_ObjectEnum;
WpdObjectProperties m_ObjectProperties;
WpdObjectPropertiesBulk m_ObjectPropertiesBulk;
WpdObjectResources m_ObjectResources;
WpdObjectManagement m_ObjectManagement;
WpdCapabilities m_Capabilities;
WpdStorage m_Storage;
WpdNetworkConfig m_NetworkConfig;
FakeDevice m_FakeDevice;
CComPtr<IPortableDeviceClassExtension> m_pPortableDeviceClassExtension;
ULONG m_cRef;
};
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