[ros-diffs] [janderwald] 39633: - Implement KsPinPropertyHandler

Author: janderwald
Date: Mon Feb 16 21:07:30 2009
New Revision: 39633
URL: http://svn.reactos.org/svn/reactos?rev=39633&view=rev
Log:
- Implement KsPinPropertyHandler
Modified:
    trunk/reactos/drivers/ksfilter/ks/connectivity.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] Mon Feb 16 21:07:30 2009
@@ -34,7 +34,9 @@
     return STATUS_SUCCESS;
 }
-KSDDKAPI NTSTATUS NTAPI
+KSDDKAPI
+NTSTATUS
+NTAPI
 KsPinPropertyHandler(
     IN  PIRP Irp,
     IN  PKSPROPERTY Property,
@@ -42,7 +44,201 @@
     IN  ULONG DescriptorsCount,
     IN  const KSPIN_DESCRIPTOR* Descriptor)
 {
-    return STATUS_SUCCESS;
+    KSP_PIN * Pin;
+    KSMULTIPLE_ITEM * Item;
+    PIO_STACK_LOCATION IoStack;
+    ULONG Size;
+    PVOID Buffer;
+
+    IoStack = IoGetCurrentIrpStackLocation(Irp);
+    Buffer = Irp->UserBuffer;
+
+    if (Property->Flags != KSPROPERTY_TYPE_GET)
+    {
+        Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
+        Irp->IoStatus.Information = 0;
+        return STATUS_NOT_IMPLEMENTED;
+    }
+
+    switch(Property->Id)
+    {
+        case KSPROPERTY_PIN_CTYPES:
+            (*(PULONG)Buffer) = DescriptorsCount;
+            Irp->IoStatus.Information = sizeof(ULONG);
+            Irp->IoStatus.Status = STATUS_SUCCESS;
+            break;
+        case KSPROPERTY_PIN_DATAFLOW:
+            Pin = (KSP_PIN*)Property;
+            if (Pin->PinId >= DescriptorsCount)
+            {
+                Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+                Irp->IoStatus.Information = 0;
+                break;
+            }
+            Size = sizeof(KSPIN_DATAFLOW);
+            if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
+            {
+                Irp->IoStatus.Information = Size;
+                Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
+                break;
+            }
+
+            *((KSPIN_DATAFLOW*)Buffer) = Descriptor[Pin->PinId].DataFlow;
+            Irp->IoStatus.Information = sizeof(KSPIN_DATAFLOW);
+            Irp->IoStatus.Status = STATUS_SUCCESS;
+            break;
+
+        case KSPROPERTY_PIN_DATARANGES:
+            Pin = (KSP_PIN*)Property;
+            if (Pin->PinId >= DescriptorsCount)
+            {
+                Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+                Irp->IoStatus.Information = 0;
+                break;
+            }
+
+            Size = sizeof(KSMULTIPLE_ITEM) + sizeof(KSDATARANGE) *
Descriptor[Pin->PinId].DataRangesCount;
+
+            if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
+            {
+                Irp->IoStatus.Information = Size;
+                Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
+                break;
+            }
+
+            Item = (KSMULTIPLE_ITEM*)Buffer;
+            Item->Size = Size;
+            Item->Count = Descriptor[Pin->PinId].DataRangesCount;
+            RtlMoveMemory((PVOID)(Item + 1), Descriptor[Pin->PinId].DataRanges,
Descriptor[Pin->PinId].DataRangesCount * sizeof(KSDATARANGE));
+
+            Irp->IoStatus.Status = STATUS_SUCCESS;
+            Irp->IoStatus.Information = Size;
+            break;
+        case KSPROPERTY_PIN_INTERFACES:
+            Pin = (KSP_PIN*)Property;
+            if (Pin->PinId >= DescriptorsCount)
+            {
+                Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+                Irp->IoStatus.Information = 0;
+                break;
+            }
+
+            Size = sizeof(KSMULTIPLE_ITEM) + sizeof(KSPIN_INTERFACE) *
Descriptor[Pin->PinId].InterfacesCount;
+
+            if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
+            {
+                Irp->IoStatus.Information = Size;
+                Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
+                break;
+            }
+
+            Item = (KSMULTIPLE_ITEM*)Buffer;
+            Item->Size = Size;
+            Item->Count = Descriptor[Pin->PinId].InterfacesCount;
+            RtlMoveMemory((PVOID)(Item + 1), Descriptor[Pin->PinId].Interfaces,
Descriptor[Pin->PinId].InterfacesCount * sizeof(KSDATARANGE));
+
+            Irp->IoStatus.Status = STATUS_SUCCESS;
+            Irp->IoStatus.Information = Size;
+            break;
+        case KSPROPERTY_PIN_MEDIUMS:
+            Pin = (KSP_PIN*)Property;
+            if (Pin->PinId >= DescriptorsCount)
+            {
+                Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+                Irp->IoStatus.Information = 0;
+                break;
+            }
+
+            Size = sizeof(KSMULTIPLE_ITEM) + sizeof(KSPIN_MEDIUM) *
Descriptor[Pin->PinId].MediumsCount;
+            if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
+            {
+                Irp->IoStatus.Information = Size;
+                Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
+                break;
+            }
+
+            Item = (KSMULTIPLE_ITEM*)Buffer;
+            Item->Size = Size;
+            Item->Count = Descriptor[Pin->PinId].MediumsCount;
+            RtlMoveMemory((PVOID)(Item + 1), Descriptor[Pin->PinId].Mediums,
Descriptor[Pin->PinId].MediumsCount * sizeof(KSDATARANGE));
+
+            Irp->IoStatus.Status = STATUS_SUCCESS;
+            Irp->IoStatus.Information = Size;
+            break;
+
+        case KSPROPERTY_PIN_COMMUNICATION:
+            Pin = (KSP_PIN*)Property;
+            if (Pin->PinId >= DescriptorsCount)
+            {
+                Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+                Irp->IoStatus.Information = 0;
+                break;
+            }
+
+            Size = sizeof(KSPIN_COMMUNICATION);
+            if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
+            {
+                Irp->IoStatus.Information = Size;
+                Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
+                break;
+            }
+
+            *((KSPIN_COMMUNICATION*)Buffer) = Descriptor[Pin->PinId].Communication;
+            Irp->IoStatus.Status = STATUS_SUCCESS;
+            Irp->IoStatus.Information = Size;
+            break;
+
+        case KSPROPERTY_PIN_CATEGORY:
+            Pin = (KSP_PIN*)Property;
+            if (Pin->PinId >= DescriptorsCount)
+            {
+                Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+                Irp->IoStatus.Information = 0;
+                break;
+            }
+
+            Size = sizeof(GUID);
+            if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
+            {
+                Irp->IoStatus.Information = Size;
+                Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
+                break;
+            }
+
+            RtlMoveMemory(Buffer, &Descriptor[Pin->PinId].Category, sizeof(GUID));
+            Irp->IoStatus.Status = STATUS_SUCCESS;
+            Irp->IoStatus.Information = Size;
+            break;
+
+        case KSPROPERTY_PIN_NAME:
+            Pin = (KSP_PIN*)Property;
+            if (Pin->PinId >= DescriptorsCount)
+            {
+                Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+                Irp->IoStatus.Information = 0;
+                break;
+            }
+
+            Size = sizeof(GUID);
+            if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
+            {
+                Irp->IoStatus.Information = Size;
+                Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
+                break;
+            }
+
+
+            RtlMoveMemory(Buffer, &Descriptor[Pin->PinId].Name, sizeof(GUID));
+            Irp->IoStatus.Status = STATUS_SUCCESS;
+            Irp->IoStatus.Information = Size;
+            break;
+        default:
+            DPRINT1("Unhandled property request %x\n", Property->Id);
+            Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
+            Irp->IoStatus.Information = 0;
+    }
+
+    return Irp->IoStatus.Status;
 }
 KSDDKAPI NTSTATUS NTAPI