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128 lines
3.6 KiB
128 lines
3.6 KiB
//---------------------------------------------------------------------------
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//
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// Module: tc.h
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//
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// Description: Topology Connection Class
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//
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//
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//@@BEGIN_MSINTERNAL
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// Development Team:
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// Mike McLaughlin
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//
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// History: Date Author Comment
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//
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//@@END_MSINTERNAL
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//---------------------------------------------------------------------------
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (c) 1996-1999 Microsoft Corporation. All Rights Reserved.
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//
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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// Constants and Macros
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//---------------------------------------------------------------------------
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#define TOPC_FLAGS_FILTER_CONNECTION_TYPE 0x00000000
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#define TOPC_FLAGS_PHYSICAL_CONNECTION_TYPE 0x00000001
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#define TOPC_FLAGS_GRAPH_CONNECTION_TYPE 0x00000002
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#define TOPC_FLAGS_CONNECTION_TYPE 0x00000003
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#define IS_CONNECTION_TYPE(pTopologyConnection, Type) \
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(((pTopologyConnection)->ulFlags & TOPC_FLAGS_CONNECTION_TYPE) ==\
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TOPC_FLAGS_##Type##_CONNECTION_TYPE)
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//---------------------------------------------------------------------------
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// Classes
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//---------------------------------------------------------------------------
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typedef class CTopologyConnection : public CListMultiItem
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{
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private:
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CTopologyConnection(
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PTOPOLOGY_PIN pTopologyPinFrom,
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PTOPOLOGY_PIN pTopologyPinTo,
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PPIN_INFO pPinInfoFrom,
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PPIN_INFO pPinInfoTo
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);
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~CTopologyConnection(
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);
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public:
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static NTSTATUS
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Create(
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PTOPOLOGY_CONNECTION *ppTopologyConnection,
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PFILTER_NODE pFilterNode,
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PGRAPH_NODE pGraphNode,
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PTOPOLOGY_PIN pTopologyPinFrom,
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PTOPOLOGY_PIN pTopologyPinTo,
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PPIN_INFO pPinInfoFrom,
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PPIN_INFO pPinInfoTo
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);
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ENUMFUNC
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Destroy()
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{
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Assert(this);
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delete this;
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return(STATUS_CONTINUE);
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};
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ENUMFUNC
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CheckDuplicate(
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PVOID ppTopologyConnection
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);
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ENUMFUNC
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ProcessTopologyConnection(
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PVOID pGraphNodeInstance
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);
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BOOL
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IsTopologyConnectionOnGraphNode(
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PGRAPH_NODE pGraphNode
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);
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ULONG ulFlags;
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PTOPOLOGY_PIN pTopologyPinFrom;
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PTOPOLOGY_PIN pTopologyPinTo;
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PPIN_INFO pPinInfoFrom;
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PPIN_INFO pPinInfoTo;
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DefineSignature(0x20204354); // TC
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} TOPOLOGY_CONNECTION, *PTOPOLOGY_CONNECTION;
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//---------------------------------------------------------------------------
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typedef ListMultiDestroy<TOPOLOGY_CONNECTION> LIST_DESTROY_TOPOLOGY_CONNECTION;
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typedef LIST_DESTROY_TOPOLOGY_CONNECTION *PLIST_DESTROY_TOPOLOGY_CONNECTION;
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//---------------------------------------------------------------------------
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typedef ListMulti<TOPOLOGY_CONNECTION> LIST_MULTI_TOPOLOGY_CONNECTION;
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//---------------------------------------------------------------------------
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// Globals
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//---------------------------------------------------------------------------
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extern ULONG gcTopologyConnections;
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//---------------------------------------------------------------------------
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// Local prototypes
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//---------------------------------------------------------------------------
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NTSTATUS
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CreatePinInfoConnection(
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IN PTOPOLOGY_CONNECTION *ppTopologyConnection,
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IN PFILTER_NODE pFilterNode,
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IN PGRAPH_NODE pGraphNode,
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IN PPIN_INFO pPinInfoSource,
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IN PPIN_INFO pPinInfoSink
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);
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//---------------------------------------------------------------------------
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