108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1999.
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//
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// File: F I L T D E V S . H
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//
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// Contents: Implements the basic datatype for a collection of filter
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// devices.
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//
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// Notes:
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//
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// Author: shaunco 15 Jan 1999
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include "filtdev.h"
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#include "ncsetup.h"
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#include "netcfg.h"
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// Filter devices is a collection of pointers to CFilterDevice.
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//
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class CFilterDevices : public vector<CFilterDevice*>
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{
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friend class CRegistryBindingsContext;
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private:
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CNetConfigCore* m_pCore;
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CComponentList m_Filters;
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HDEVINFO m_hdi;
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// This multi-sz is read from the registry (Control\Network\FilterClasses)
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// and defines the order in which filters stack up. Each filter INF
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// specifies Ndi\FilterClass which matches a string in this list. In
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// the event that the string does not match any in the list, it is added
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// to the top of the list. (Top was chosen arbitrarily.)
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//
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PWSTR m_pmszFilterClasses;
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public:
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// When filters are installed or removed (or we see that a filter is
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// no longer active or newly active over an adapter as in the case of
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// disabling the binding between the filter and an adapter) we add the
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// upper bindings of the adapter to this binding set.
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// These bindings will be unbound before we start the filter devices.
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// This breaks the filter chain and allows NDIS to properly reconstruct
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// it when the new devices are started.
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// Then these bindings will be added to the set of added bindpaths in
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// CModifyContext::ApplyChanges and hence will be sent BIND
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// notifications. This has to happen so that the protocol(s)
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// bound to the adapter get dynamically rebound after they have been
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// implicitly unbound due to the filter device removal.
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//
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CBindingSet m_BindPathsToRebind;
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private:
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HRESULT
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HrInsertFilterDevice (
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IN CFilterDevice* pDevice);
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HRESULT
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HrLoadFilterDevice (
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IN SP_DEVINFO_DATA* pdeid,
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IN HKEY hkeyInstance,
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IN PCWSTR pszFilterInfId,
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OUT BOOL* pfRemove);
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DWORD
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MapFilterClassToOrdinal (
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IN PCWSTR pszFilterClass);
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CFilterDevice*
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PFindFilterDeviceByAdapterAndFilter (
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IN const CComponent* pAdapter,
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IN const CComponent* pFilter) const;
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CFilterDevice*
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PFindFilterDeviceByInstanceGuid (
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IN PCWSTR pszInstanceGuid) const;
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public:
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CFilterDevices (
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IN CNetConfigCore* pCore);
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~CFilterDevices ();
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HRESULT
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HrPrepare ();
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VOID
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Free ();
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VOID
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LoadAndRemoveFilterDevicesIfNeeded ();
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VOID
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InstallFilterDevicesIfNeeded ();
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VOID
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SortForWritingBindings ();
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VOID
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StartFilterDevices ();
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};
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