Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-02-23 08:55:19 +00:00
Code Issues Projects Releases Packages Wiki Activity

- Implement KsPinPropertyHandler

Browse source 
svn path=/trunk/; revision=39633
This commit is contained in:
Johannes Anderwald 2009-02-17 03:07:30 +00:00
parent cf316da120
commit 7f8d4df605
1 changed files with 198 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

200
reactos/drivers/ksfilter/ks/connectivity.c
View file

@ -34,7 +34,9 @@ KsValidateConnectRequest(
return STATUS_SUCCESS;
}
KSDDKAPI NTSTATUS NTAPI
KSDDKAPI
NTSTATUS
NTAPI
KsPinPropertyHandler(
IN PIRP Irp,
IN PKSPROPERTY Property,
@ -42,7 +44,201 @@ KsPinPropertyHandler(
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