[janderwald] 39546: - Implement KsCreateTopologyNode, KsCreatePin

Author: janderwald
Date: Wed Feb 11 03:34:32 2009
New Revision: 39546

URL: http://svn.reactos.org/svn/reactos?rev=39546&view=rev
Log:
- Implement KsCreateTopologyNode, KsCreatePin

Modified:
    trunk/reactos/drivers/ksfilter/ks/connectivity.c
    trunk/reactos/drivers/ksfilter/ks/ksfunc.h
    trunk/reactos/drivers/ksfilter/ks/topology.c

Modified: trunk/reactos/drivers/ksfilter/ks/connectivity.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/ksfilter/ks/connec…
==============================================================================
--- trunk/reactos/drivers/ksfilter/ks/connectivity.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/ksfilter/ks/connectivity.c [iso-8859-1] Wed Feb 11 03:34:32
2009
@@ -7,7 +7,21 @@
     IN  ACCESS_MASK DesiredAccess,
     OUT PHANDLE ConnectionHandle)
 {
-    return STATUS_SUCCESS;
+    UINT ConnectSize = sizeof(KSPIN_CONNECT);
+
+    PKSDATAFORMAT_WAVEFORMATEX Format = (PKSDATAFORMAT_WAVEFORMATEX)(Connect + 1);
+    if (Format->DataFormat.FormatSize == sizeof(KSDATAFORMAT) ||
+        Format->DataFormat.FormatSize == sizeof(KSDATAFORMAT) + sizeof(WAVEFORMATEX))
+    {
+        ConnectSize += Format->DataFormat.FormatSize;
+    }
+
+    return KspCreateObjectType(FilterHandle,
+                               L"{146F1A80-4791-11D0-A5D6-28DB04C10000}",
+                               (PVOID)Connect,
+                               ConnectSize,
+                               DesiredAccess,
+                               ConnectionHandle);
 }
 
 KSDDKAPI NTSTATUS NTAPI

Modified: trunk/reactos/drivers/ksfilter/ks/ksfunc.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/ksfilter/ks/ksfunc…
==============================================================================
--- trunk/reactos/drivers/ksfilter/ks/ksfunc.h [iso-8859-1] (original)
+++ trunk/reactos/drivers/ksfilter/ks/ksfunc.h [iso-8859-1] Wed Feb 11 03:34:32 2009
@@ -11,7 +11,15 @@
 #define TAG_KSDEVICE TAG('K', 'S', 'E', 'D')
 #define TAG_KSOBJECT_TAG TAG('K', 'S', 'O', 'H')
 
-
+NTSTATUS
+NTAPI
+KspCreateObjectType(
+    IN HANDLE ParentHandle,
+    IN LPWSTR ObjectType,
+    PVOID CreateParameters,
+    UINT CreateParametersSize,
+    IN  ACCESS_MASK DesiredAccess,
+    OUT PHANDLE NodeHandle);
 
 
 

Modified: trunk/reactos/drivers/ksfilter/ks/topology.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/ksfilter/ks/topolo…
==============================================================================
--- trunk/reactos/drivers/ksfilter/ks/topology.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/ksfilter/ks/topology.c [iso-8859-1] Wed Feb 11 03:34:32 2009
@@ -1,13 +1,65 @@
-#include <ntddk.h>
-#include <debug.h>
-#include <ks.h>
+#include "priv.h"
 
 /* ===============================================================
     Topology Functions
 */
 
+NTSTATUS
+NTAPI
+KspCreateObjectType(
+    IN HANDLE ParentHandle,
+    IN LPWSTR ObjectType,
+    PVOID CreateParameters,
+    UINT CreateParametersSize,
+    IN  ACCESS_MASK DesiredAccess,
+    OUT PHANDLE NodeHandle)
+{
+    NTSTATUS Status;
+    IO_STATUS_BLOCK IoStatusBlock;
+    OBJECT_ATTRIBUTES ObjectAttributes;
+    UNICODE_STRING Name;
+
+    Name.Length = (wcslen(ObjectType) + 1) * sizeof(WCHAR) + CreateParametersSize;
+    Name.MaximumLength += sizeof(WCHAR);
+    Name.Buffer = ExAllocatePool(NonPagedPool, Name.MaximumLength);
+
+    if (!Name.Buffer)
+    {
+        return STATUS_INSUFFICIENT_RESOURCES;
+    }
+
+    wcscpy(Name.Buffer, ObjectType);
+    Name.Buffer[wcslen(ObjectType)] = '\\';
+
+    RtlMoveMemory(Name.Buffer + wcslen(ObjectType) +1, CreateParameters,
CreateParametersSize);
+
+    Name.Buffer[Name.Length / 2] = L'\0';
+
+    InitializeObjectAttributes(&ObjectAttributes, &Name, OBJ_KERNEL_HANDLE |
OBJ_CASE_INSENSITIVE, ParentHandle, NULL);
+
+
+    Status = IoCreateFile(NodeHandle,
+                          DesiredAccess,
+                          &ObjectAttributes,
+                          &IoStatusBlock, 
+                          NULL,
+                          0,
+                          0,
+                          FILE_OPEN,
+                          FILE_SYNCHRONOUS_IO_NONALERT,
+                          NULL,
+                          0,
+                          CreateFileTypeNone,
+                          NULL,
+                          IO_NO_PARAMETER_CHECKING | IO_FORCE_ACCESS_CHECK);
+
+    ExFreePool(Name.Buffer);
+    return Status;
+}
+
+
 /*
-    @unimplemented
+    @implemented
 */
 KSDDKAPI NTSTATUS NTAPI
 KsCreateTopologyNode(
@@ -16,8 +68,12 @@
     IN  ACCESS_MASK DesiredAccess,
     OUT PHANDLE NodeHandle)
 {
-    UNIMPLEMENTED;
-    return STATUS_UNSUCCESSFUL;
+    return KspCreateObjectType(ParentHandle,
+                               L"{0621061A-EE75-11D0-B915-00A0C9223196}",
+                               (PVOID)NodeCreate,
+                               sizeof(KSNODE_CREATE),
+                               DesiredAccess,
+                               NodeHandle);
 }
 
 /*