Source code of Windows XP (NT5)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

739 lines
19 KiB

//---------------------------------------------------------------------------
//
// Module: tc.cpp
//
// Description:
//
// Topology Connection Class
//
//@@BEGIN_MSINTERNAL
// Development Team:
// Mike McLaughlin
//
// History: Date Author Comment
//
// To Do: Date Author Comment
//
//@@END_MSINTERNAL
//
// 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) 1996-1999 Microsoft Corporation. All Rights Reserved.
//
//---------------------------------------------------------------------------
#include "common.h"
//---------------------------------------------------------------------------
ULONG gcTopologyConnections = 0;
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
CTopologyConnection::CTopologyConnection(
PTOPOLOGY_PIN pTopologyPinFrom,
PTOPOLOGY_PIN pTopologyPinTo,
PPIN_INFO pPinInfoFrom,
PPIN_INFO pPinInfoTo
)
{
#ifdef DEBUG
DPF4(110,
"CTopologyConnection: PIF: %08x PIT: %08x TPF: %08x TPT: %08x",
pPinInfoFrom,
pPinInfoTo,
pTopologyPinFrom,
pTopologyPinTo);
#endif
this->pTopologyPinFrom = pTopologyPinFrom;
this->pTopologyPinTo = pTopologyPinTo;
this->pPinInfoFrom = pPinInfoFrom;
this->pPinInfoTo = pPinInfoTo;
ASSERT(TOPC_FLAGS_FILTER_CONNECTION_TYPE == 0);
++gcTopologyConnections;
DPF1(70, "CTopologyConnection: %08x", this);
}
CTopologyConnection::~CTopologyConnection(
)
{
Assert(this);
DPF1(70, "~CTopologyConnection: %08x", this);
--gcTopologyConnections;
}
NTSTATUS
CTopologyConnection::Create(
PTOPOLOGY_CONNECTION *ppTopologyConnection,
PFILTER_NODE pFilterNode,
PGRAPH_NODE pGraphNode,
PTOPOLOGY_PIN pTopologyPinFrom,
PTOPOLOGY_PIN pTopologyPinTo,
PPIN_INFO pPinInfoFrom,
PPIN_INFO pPinInfoTo
)
{
NTSTATUS Status = STATUS_SUCCESS;
PTOPOLOGY_CONNECTION pTopologyConnection;
PLIST_DESTROY_TOPOLOGY_CONNECTION plstTopologyConnection;
PFILTER_NODE pFilterNodeNext;
#ifdef DEBUG
DPF4(110,
"CTopologyConnection::Create: PIF: %08x PIT: %08x TPF: %08x TPT: %08x",
pPinInfoFrom,
pPinInfoTo,
pTopologyPinFrom,
pTopologyPinTo);
#endif
ASSERT(pFilterNode != NULL || pGraphNode != NULL);
pTopologyConnection = new TOPOLOGY_CONNECTION(
pTopologyPinFrom,
pTopologyPinTo,
pPinInfoFrom,
pPinInfoTo
);
if(pTopologyConnection == NULL) {
Status = STATUS_INSUFFICIENT_RESOURCES;
Trap();
goto exit;
}
*ppTopologyConnection = pTopologyConnection;
if(pFilterNode != NULL) {
Assert(pFilterNode);
ASSERT(pGraphNode == NULL);
// Adding connection to filter connection list
plstTopologyConnection = &pFilterNode->lstTopologyConnection;
// Check if duplicate connection on filter list
FOR_EACH_LIST_ITEM(
&pFilterNode->lstConnectedFilterNode,
pFilterNodeNext) {
if(pFilterNodeNext->lstTopologyConnection.EnumerateList(
CTopologyConnection::CheckDuplicate,
ppTopologyConnection) == STATUS_SUCCESS) {
ASSERT(NT_SUCCESS(Status));
DPF(70, "CTopologyConnection::Create: Duplicate 1");
delete pTopologyConnection;
goto exit;
}
} END_EACH_LIST_ITEM
}
if(pGraphNode != NULL) {
PLOGICAL_FILTER_NODE pLogicalFilterNode;
Assert(pGraphNode);
ASSERT(pFilterNode == NULL);
// Adding connection to GraphNode connection list
plstTopologyConnection = &pGraphNode->lstTopologyConnection;
// Check if duplicate on GraphNode's logical filter list
FOR_EACH_LIST_ITEM(
&pGraphNode->pDeviceNode->lstLogicalFilterNode,
pLogicalFilterNode) {
if(pLogicalFilterNode->lstTopologyConnection.EnumerateList(
CTopologyConnection::CheckDuplicate,
ppTopologyConnection) == STATUS_SUCCESS) {
ASSERT(NT_SUCCESS(Status));
DPF(70, "CTopologyConnection::Create: Duplicate 2");
delete pTopologyConnection;
goto exit;
}
} END_EACH_LIST_ITEM
// Check if duplicate on GraphNode's connected filter list
FOR_EACH_LIST_ITEM(
&pGraphNode->lstLogicalFilterNode,
pLogicalFilterNode) {
if(pLogicalFilterNode->lstTopologyConnection.EnumerateList(
CTopologyConnection::CheckDuplicate,
ppTopologyConnection) == STATUS_SUCCESS) {
ASSERT(NT_SUCCESS(Status));
DPF(70, "CTopologyConnection::Create: Duplicate 3");
delete pTopologyConnection;
goto exit;
}
} END_EACH_LIST_ITEM
pTopologyConnection->ulFlags = TOPC_FLAGS_GRAPH_CONNECTION_TYPE;
}
// Check for duplicate topology connections
if(plstTopologyConnection->EnumerateList(
CTopologyConnection::CheckDuplicate,
ppTopologyConnection) == STATUS_SUCCESS) {
DPF(70, "CTopologyConnection::Create: Duplicate 4");
ASSERT(NT_SUCCESS(Status));
delete pTopologyConnection;
goto exit;
}
if(pTopologyPinFrom != NULL) {
Assert(pTopologyConnection);
Status = pTopologyConnection->AddListEnd(
&pTopologyPinFrom->lstTopologyConnection);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
}
if(pTopologyPinTo != NULL) {
Assert(pTopologyConnection);
Status = pTopologyConnection->AddListEnd(
&pTopologyPinTo->lstTopologyConnection);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
}
if(pPinInfoFrom != NULL) {
Assert(pTopologyConnection);
Status = pTopologyConnection->AddListEnd(
&pPinInfoFrom->lstTopologyConnection);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
}
if(pPinInfoTo != NULL) {
Assert(pTopologyConnection);
Status = pTopologyConnection->AddListEnd(
&pPinInfoTo->lstTopologyConnection);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
}
Status = pTopologyConnection->AddListEnd(plstTopologyConnection);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
exit:
DPF3(70, "CTopologyConnection::Create: %08x, FN: %08x GN: %08x",
*ppTopologyConnection,
pFilterNode,
pGraphNode);
return(Status);
}
ENUMFUNC
CTopologyConnection::CheckDuplicate(
PVOID pReference
)
{
PTOPOLOGY_CONNECTION *ppTopologyConnection =
(PTOPOLOGY_CONNECTION*)pReference;
if((this->pTopologyPinFrom == (*ppTopologyConnection)->pTopologyPinFrom) &&
(this->pTopologyPinTo == (*ppTopologyConnection)->pTopologyPinTo) &&
(this->pPinInfoFrom == (*ppTopologyConnection)->pPinInfoFrom) &&
(this->pPinInfoTo == (*ppTopologyConnection)->pPinInfoTo)) {
*ppTopologyConnection = this;
return(STATUS_SUCCESS);
}
return(STATUS_CONTINUE);
}
BOOL
CTopologyConnection::IsTopologyConnectionOnGraphNode(
PGRAPH_NODE pGraphNode
)
{
PLOGICAL_FILTER_NODE pLogicalFilterNodeFrom;
PLOGICAL_FILTER_NODE pLogicalFilterNodeTo;
PLOGICAL_FILTER_NODE pLogicalFilterNode;
BOOL fStatusFrom = FALSE;
BOOL fStatusTo = FALSE;
Assert(pGraphNode);
if(pPinInfoFrom != NULL || pPinInfoTo != NULL) {
return(TRUE);
}
if(pTopologyPinFrom == NULL || pTopologyPinTo == NULL) {
return(FALSE);
}
Assert(pTopologyPinFrom);
Assert(pTopologyPinTo);
FOR_EACH_LIST_ITEM(
&pTopologyPinFrom->pTopologyNode->lstLogicalFilterNode,
pLogicalFilterNodeFrom) {
Assert(pLogicalFilterNodeFrom);
FOR_EACH_LIST_ITEM(
&pTopologyPinTo->pTopologyNode->lstLogicalFilterNode,
pLogicalFilterNodeTo) {
FOR_EACH_LIST_ITEM(
&pGraphNode->pDeviceNode->lstLogicalFilterNode,
pLogicalFilterNode) {
Assert(pLogicalFilterNode);
if(pLogicalFilterNode == pLogicalFilterNodeFrom) {
fStatusFrom = TRUE;
}
if(pLogicalFilterNode == pLogicalFilterNodeTo) {
fStatusTo = TRUE;
}
} END_EACH_LIST_ITEM
if(fStatusFrom && fStatusTo) {
goto exit;
}
FOR_EACH_LIST_ITEM(
&pGraphNode->lstLogicalFilterNode,
pLogicalFilterNode) {
Assert(pLogicalFilterNode);
if(pLogicalFilterNode == pLogicalFilterNodeFrom) {
fStatusFrom = TRUE;
}
if(pLogicalFilterNode == pLogicalFilterNodeTo) {
fStatusTo = TRUE;
}
} END_EACH_LIST_ITEM
if(fStatusFrom && fStatusTo) {
goto exit;
}
} END_EACH_LIST_ITEM
} END_EACH_LIST_ITEM
exit:
return(fStatusFrom && fStatusTo);
}
NTSTATUS
AddPinToFilterNode(
PTOPOLOGY_PIN pTopologyPin,
PFILTER_NODE pFilterNode
)
{
NTSTATUS Status = STATUS_SUCCESS;
PFILTER_NODE pFilterNodeNext;
Assert(pFilterNode);
Assert(pTopologyPin);
Assert(pTopologyPin->pTopologyNode->pFilterNode);
//
// Add to filter node to connected filter node list
//
if(pFilterNode != pTopologyPin->pTopologyNode->pFilterNode) {
Status = pFilterNode->lstConnectedFilterNode.AddList(
pTopologyPin->pTopologyNode->pFilterNode);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
// Hack for ds1wdm dmus synth topology (adds dmus to wave FN lst)
if((pFilterNode->GetType() & FILTER_TYPE_ENDPOINT) == 0) {
DPF2(50, "AddPinToFilterNode: (from) FN: %08x %s",
pFilterNode,
pFilterNode->DumpName());
FOR_EACH_LIST_ITEM(
&pTopologyPin->pTopologyNode->pFilterNode->lstConnectedFilterNode,
pFilterNodeNext) {
if(pFilterNodeNext == pFilterNode ||
pFilterNodeNext == pTopologyPin->pTopologyNode->pFilterNode) {
continue;
}
DPF2(50, "AddPinToFilterNode: (to) FN: %08x %s",
pFilterNodeNext,
pFilterNodeNext->DumpName());
Status = pFilterNodeNext->lstConnectedFilterNode.AddList(
pFilterNode);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
} END_EACH_LIST_ITEM
}
//
// This fixes the bug with capture only devices. The topology for
// capture only devices was not built properly, due to the missing
// link between wave filter and topology filter.
// Add the topology filter to wave filter ConnectedFilterNode list.
// The AddList function does not allow duplicate entries.
//
if ((pFilterNode->GetType() & FILTER_TYPE_TOPOLOGY) &&
(pTopologyPin->pTopologyNode->pFilterNode->GetType() & (FILTER_TYPE_CAPTURER))) {
Status = pTopologyPin->pTopologyNode->pFilterNode->lstConnectedFilterNode.AddList(
pFilterNode);
DPF3(20, "AddPinToFilterNode: (CAPTURE ONLY) FN: %08x FN: %08x %s",
pTopologyPin->pTopologyNode->pFilterNode,
pFilterNode,
pFilterNode->DumpName());
}
}
exit:
return(Status);
}
NTSTATUS
AddPinToGraphNode(
PTOPOLOGY_PIN pTopologyPin,
PGRAPH_NODE pGraphNode,
PTOPOLOGY_CONNECTION pTopologyConnection
)
{
PLOGICAL_FILTER_NODE pLogicalFilterNode2;
PLOGICAL_FILTER_NODE pLogicalFilterNode;
PTOPOLOGY_CONNECTION pTopologyConnection2;
NTSTATUS Status = STATUS_SUCCESS;
BOOL fAddLogicalFilterNode;
Assert(pTopologyPin);
Assert(pTopologyPin->pTopologyNode);
Assert(pGraphNode);
FOR_EACH_LIST_ITEM(
&pTopologyPin->pTopologyNode->lstLogicalFilterNode,
pLogicalFilterNode) {
fAddLogicalFilterNode = FALSE;
FOR_EACH_LIST_ITEM(
&pLogicalFilterNode->lstTopologyConnection,
pTopologyConnection2) {
Assert(pTopologyConnection2);
if(pTopologyPin == pTopologyConnection2->pTopologyPinFrom ||
pTopologyPin == pTopologyConnection2->pTopologyPinTo) {
fAddLogicalFilterNode = TRUE;
break;
}
} END_EACH_LIST_ITEM
if(fAddLogicalFilterNode) {
FOR_EACH_LIST_ITEM(
&pGraphNode->pDeviceNode->lstLogicalFilterNode,
pLogicalFilterNode2) {
Assert(pLogicalFilterNode2);
if(pLogicalFilterNode == pLogicalFilterNode2) {
fAddLogicalFilterNode = FALSE;
break;
}
} END_EACH_LIST_ITEM
}
if(fAddLogicalFilterNode) {
Status = pGraphNode->lstLogicalFilterNode.AddList(
pLogicalFilterNode,
pTopologyConnection);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
}
} END_EACH_LIST_ITEM
exit:
return(Status);
}
NTSTATUS
CreatePinInfoConnection(
PTOPOLOGY_CONNECTION *ppTopologyConnection,
PFILTER_NODE pFilterNode,
PGRAPH_NODE pGraphNode,
PPIN_INFO pPinInfoSource,
PPIN_INFO pPinInfoSink
)
{
PTOPOLOGY_CONNECTION pTopologyConnectionSource;
PTOPOLOGY_CONNECTION pTopologyConnectionSink;
PTOPOLOGY_PIN pTopologyPinFrom;
PTOPOLOGY_PIN pTopologyPinTo;
NTSTATUS Status = STATUS_SUCCESS;
Assert(pPinInfoSource);
Assert(pPinInfoSink);
ASSERT(pPinInfoSource != pPinInfoSink);
FOR_EACH_LIST_ITEM(
&pPinInfoSource->lstTopologyConnection,
pTopologyConnectionSource) {
Assert(pTopologyConnectionSource);
if(!IS_CONNECTION_TYPE(pTopologyConnectionSource, FILTER)) {
continue;
}
pTopologyPinFrom = NULL;
pTopologyPinTo = NULL;
if(pTopologyConnectionSource->pTopologyPinFrom != NULL) {
ASSERT(pTopologyConnectionSource->pPinInfoTo == pPinInfoSource);
ASSERT(pTopologyConnectionSource->pPinInfoFrom == NULL);
ASSERT(pTopologyConnectionSource->pTopologyPinTo == NULL);
pTopologyPinFrom = pTopologyConnectionSource->pTopologyPinFrom;
}
if(pTopologyConnectionSource->pTopologyPinTo != NULL) {
ASSERT(pTopologyConnectionSource->pPinInfoFrom == pPinInfoSource);
ASSERT(pTopologyConnectionSource->pPinInfoTo == NULL);
ASSERT(pTopologyConnectionSource->pTopologyPinFrom == NULL);
pTopologyPinTo = pTopologyConnectionSource->pTopologyPinTo;
}
FOR_EACH_LIST_ITEM(
&pPinInfoSink->lstTopologyConnection,
pTopologyConnectionSink) {
Assert(pTopologyConnectionSink);
if(!IS_CONNECTION_TYPE(pTopologyConnectionSink, FILTER)) {
continue;
}
if(pTopologyConnectionSink->pTopologyPinFrom != NULL) {
ASSERT(pTopologyConnectionSink->pPinInfoTo == pPinInfoSink);
ASSERT(pTopologyConnectionSink->pPinInfoFrom == NULL);
ASSERT(pTopologyConnectionSink->pTopologyPinTo == NULL);
pTopologyPinFrom = pTopologyConnectionSink->pTopologyPinFrom;
}
if(pTopologyConnectionSink->pTopologyPinTo != NULL) {
ASSERT(pTopologyConnectionSink->pPinInfoFrom == pPinInfoSink);
ASSERT(pTopologyConnectionSink->pPinInfoTo == NULL);
ASSERT(pTopologyConnectionSink->pTopologyPinFrom == NULL);
pTopologyPinTo = pTopologyConnectionSink->pTopologyPinTo;
}
ASSERT(pTopologyPinFrom != NULL);
ASSERT(pTopologyPinTo != NULL);
Status = CTopologyConnection::Create(
ppTopologyConnection,
pFilterNode,
pGraphNode,
pTopologyPinFrom, // DataFlow == OUT, Pin #0
pTopologyPinTo, // DataFlow == IN, Pin #1 - n
NULL,
NULL);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
// Add the connections to the PinInfos
Assert(*ppTopologyConnection);
Status = (*ppTopologyConnection)->AddListEnd(
&pPinInfoSource->lstTopologyConnection);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
Status = (*ppTopologyConnection)->AddListEnd(
&pPinInfoSink->lstTopologyConnection);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
if(pFilterNode != NULL) {
Assert(pFilterNode);
Status = AddPinToFilterNode(pTopologyPinFrom, pFilterNode);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
Status = AddPinToFilterNode(pTopologyPinTo, pFilterNode);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
// Change the connection type to physical
(*ppTopologyConnection)->ulFlags =
TOPC_FLAGS_PHYSICAL_CONNECTION_TYPE;
}
if(pGraphNode != NULL) {
Assert(pGraphNode);
Status = AddPinToGraphNode(
pTopologyPinFrom,
pGraphNode,
*ppTopologyConnection);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
Status = AddPinToGraphNode(
pTopologyPinTo,
pGraphNode,
*ppTopologyConnection);
if(!NT_SUCCESS(Status)) {
Trap();
goto exit;
}
ASSERT(IS_CONNECTION_TYPE(*ppTopologyConnection, GRAPH));
}
} END_EACH_LIST_ITEM
} END_EACH_LIST_ITEM
exit:
return(Status);
}
//---------------------------------------------------------------------------
#ifdef DEBUG
ENUMFUNC
CTopologyConnection::Dump(
)
{
PWSTR pwstrNameFrom = L"";
PWSTR pwstrNameTo = L"";
ULONG ulFromNode = MAXULONG;
ULONG ulToNode = MAXULONG;
ULONG ulFromPin = MAXULONG;
ULONG ulToPin = MAXULONG;
Assert(this);
if(pTopologyPinFrom != NULL && pTopologyPinTo != NULL &&
pTopologyPinFrom->pTopologyNode->pFilterNode !=
pTopologyPinTo->pTopologyNode->pFilterNode) {
pwstrNameFrom = pTopologyPinFrom->pTopologyNode->
pFilterNode->GetFriendlyName();
pwstrNameTo = pTopologyPinTo->pTopologyNode->
pFilterNode->GetFriendlyName();
}
if(ulDebugFlags & (DEBUG_FLAGS_VERBOSE | DEBUG_FLAGS_OBJECT)) {
dprintf("TC: %08x ulFlags %08x ", this, ulFlags);
if(IS_CONNECTION_TYPE(this, FILTER)) {
dprintf("FILTER");
}
if(IS_CONNECTION_TYPE(this, PHYSICAL)) {
dprintf("PHYSICAL");
}
if(IS_CONNECTION_TYPE(this, GRAPH)) {
dprintf("GRAPH");
}
dprintf("\n");
if(pTopologyPinFrom != NULL) {
dprintf(" TPFrom: %08x TN %08x #%02x Pin # %d %s\n",
pTopologyPinFrom,
pTopologyPinFrom->pTopologyNode,
pTopologyPinFrom->pTopologyNode->ulRealNodeNumber,
pTopologyPinFrom->ulPinNumber,
DbgUnicode2Sz(pwstrNameFrom));
}
if(pPinInfoFrom != NULL) {
dprintf(" PIFrom: %08x Pin # %d\n",
pPinInfoFrom,
pPinInfoFrom->PinId);
}
if(pTopologyPinTo != NULL) {
dprintf(" TPTo: %08x TN %08x #%02x Pin # %d %s\n",
pTopologyPinTo,
pTopologyPinTo->pTopologyNode,
pTopologyPinTo->pTopologyNode->ulRealNodeNumber,
pTopologyPinTo->ulPinNumber,
DbgUnicode2Sz(pwstrNameTo));
}
if(pPinInfoTo != NULL) {
dprintf(" PITo: %08x Pin # %d\n",
pPinInfoTo,
pPinInfoTo->PinId);
}
dprintf("\n");
}
else {
if(pTopologyPinFrom != NULL) {
ulFromNode = pTopologyPinFrom->pTopologyNode->ulRealNodeNumber;
ulFromPin = pTopologyPinFrom->ulPinNumber;
}
if(pTopologyPinTo != NULL) {
ulToNode = pTopologyPinTo->pTopologyNode->ulRealNodeNumber;
ulToPin = pTopologyPinTo->ulPinNumber;
}
if(pPinInfoFrom != NULL) {
ulFromPin = pPinInfoFrom->PinId;
}
if(pPinInfoTo != NULL) {
ulToPin = pPinInfoTo->PinId;
}
if(ulFromNode == KSFILTER_NODE) {
dprintf("TC: %08x From: Filter P#%-2d %s\n",
this,
ulFromPin,
DbgUnicode2Sz(pwstrNameFrom));
}
else {
dprintf("TC: %08x From: N#%-2d P#%-2d %s\n",
this,
ulFromNode,
ulFromPin,
DbgUnicode2Sz(pwstrNameFrom));
}
if(ulToNode == KSFILTER_NODE) {
dprintf(" To: Filter P#%-2d %s\n",
ulToPin,
DbgUnicode2Sz(pwstrNameTo));
}
else {
dprintf(" To: N#%-2d P#%-2d %s\n",
ulToNode,
ulToPin,
DbgUnicode2Sz(pwstrNameTo));
}
}
return(STATUS_CONTINUE);
}
#endif
//---------------------------------------------------------------------------