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Patch by Anton Yarotsky:

Browse source 
[SACDRV]: Implement the SAC Channel Input/Output Interface and Getters/Setters.

svn path=/trunk/; revision=52555
This commit is contained in:
Sir Richard 2011-07-07 12:03:56 +00:00
parent 79f36207fc
commit 5b90950500
1 changed files with 89 additions and 14 deletions
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103
reactos/drivers/sac/driver/channel.c
View file

@ -19,7 +19,7 @@ ChannelIsValidType(
IN SAC_CHANNEL_TYPE ChannelType
)
{
return FALSE;
return ((ChannelType >= VtUtf8) && (ChannelType <= Raw));
}
BOOLEAN
@ -28,7 +28,9 @@ ChannelIsEqual(
IN PSAC_CHANNEL_ID ChannelId
)
{
return FALSE;
return IsEqualGUIDAligned(
&Channel->ChannelId.ChannelGuid,
&ChannelId->ChannelGuid);
}
NTSTATUS
@ -52,7 +54,9 @@ ChannelDestroy(
IN PSAC_CHANNEL Channel
)
{
return STATUS_NOT_IMPLEMENTED;
CHECK_PARAMETER(Channel);
return ChannelDereferenceHandles(Channel);
}
NTSTATUS
@ -62,7 +66,17 @@ ChannelOWrite(
IN ULONG BufferSize
)
{
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Status;
CHECK_PARAMETER3(BufferSize < SAC_OBUFFER_SIZE);
ChannelLockOBuffer(Channel);
Status = Channel->OBufferWrite(Channel, Buffer, BufferSize);
ChannelUnlockOBuffer(Channel);
return Status;
}
NTSTATUS
@ -70,7 +84,15 @@ ChannelOFlush(
IN PSAC_CHANNEL Channel
)
{
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Status;
ChannelLockOBuffer(Channel);
Status = Channel->OBufferFlush(Channel);
ChannelUnlockOBuffer(Channel);
return Status;
}
NTSTATUS
@ -80,7 +102,15 @@ ChannelIWrite(
IN ULONG BufferSize
)
{
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Status;
ChannelLockIBuffer(Channel);
Status = Channel->IBufferWrite(Channel, Buffer, BufferSize);
ChannelUnlockIBuffer(Channel);
return Status;
}
ULONG
@ -91,7 +121,15 @@ ChannelIRead(
OUT PULONG ResultBufferSize
)
{
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Status;
ChannelLockIBuffer(Channel);
Status = Channel->IBufferRead(Channel, Buffer, BufferSize, ResultBufferSize);
ChannelUnlockIBuffer(Channel);
return Status;
}
NTSTATUS
@ -99,7 +137,15 @@ ChannelIReadLast(
IN PSAC_CHANNEL Channel
)
{
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Status;
ChannelLockIBuffer(Channel);
Status = Channel->IBufferReadLast(Channel);
ChannelUnlockIBuffer(Channel);
return Status;
}
ULONG
@ -107,7 +153,15 @@ ChannelIBufferLength(
IN PSAC_CHANNEL Channel
)
{
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Length;
ChannelLockOBuffer(Channel);
Length = Channel->IBufferLength(Channel);
ChannelUnlockOBuffer(Channel);
return Length;
}
NTSTATUS
@ -179,7 +233,11 @@ ChannelSetLockEvent(
IN PSAC_CHANNEL Channel
)
{
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Status;
ChannelSetEvent(Channel, LockEvent);
return Status;
}
NTSTATUS
@ -188,7 +246,11 @@ ChannelSetRedrawEvent(
IN PSAC_CHANNEL Channel
)
{
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Status;
ChannelSetEvent(Channel, RedrawEvent);
return Status;
}
NTSTATUS
@ -196,7 +258,11 @@ ChannelClearRedrawEvent(
IN PSAC_CHANNEL Channel
)
{
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Status;
ChannelClearEvent(Channel, RedrawEvent);
return Status;
}
NTSTATUS
@ -205,7 +271,12 @@ ChannelHasRedrawEvent(
OUT PBOOLEAN Present
)
{
return STATUS_NOT_IMPLEMENTED;
CHECK_PARAMETER1(Channel);
CHECK_PARAMETER2(Present);
*Present = Channel->Flags & SAC_CHANNEL_FLAG_REDRAW_EVENT;
return STATUS_SUCCESS;
}
BOOLEAN
@ -213,7 +284,11 @@ ChannelIsActive(
IN PSAC_CHANNEL Channel
)
{
return FALSE;
SAC_CHANNEL_STATUS ChannelStatus;
if (!NT_SUCCESS(ChannelGetStatus(Channel, &ChannelStatus))) return FALSE;
return (ChannelStatus == Active);
}
BOOLEAN