[sir_richard] 52555: Patch by Anton Yarotsky: [SACDRV]: Implement the SAC Channel Input/Output Interface and Getters/Setters.

Author: sir_richard
Date: Thu Jul  7 12:03:56 2011
New Revision: 52555

URL: http://svn.reactos.org/svn/reactos?rev=52555&view=rev
Log:
Patch by Anton Yarotsky:
[SACDRV]: Implement the SAC Channel Input/Output Interface and Getters/Setters.

Modified:
    trunk/reactos/drivers/sac/driver/channel.c

Modified: trunk/reactos/drivers/sac/driver/channel.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/sac/driver/channel....
==============================================================================
--- trunk/reactos/drivers/sac/driver/channel.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/sac/driver/channel.c [iso-8859-1] Thu Jul  7 12:03:56 2011
@@ -19,7 +19,7 @@
    IN SAC_CHANNEL_TYPE ChannelType
    )
 {
-	return FALSE;
+	return ((ChannelType >= VtUtf8) && (ChannelType <= Raw));
 }

BOOLEAN
@@ -28,7 +28,9 @@
    IN PSAC_CHANNEL_ID ChannelId
    )
 {
-	return FALSE;
+	return IsEqualGUIDAligned(
+		&Channel->ChannelId.ChannelGuid,
+		&ChannelId->ChannelGuid);
 }

NTSTATUS
@@ -52,7 +54,9 @@
    IN PSAC_CHANNEL Channel
    )
 {
-	return STATUS_NOT_IMPLEMENTED;
+	CHECK_PARAMETER(Channel);
+	
+	return ChannelDereferenceHandles(Channel);
 }

NTSTATUS
@@ -62,7 +66,17 @@
    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 @@
    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 @@
    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 @@
    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 @@
    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 @@
    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 @@
    IN PSAC_CHANNEL Channel
    )
 {
-	return STATUS_NOT_IMPLEMENTED;
+	NTSTATUS Status;
+	
+	ChannelSetEvent(Channel, LockEvent);
+	
+	return Status;
 }

NTSTATUS
@@ -188,7 +246,11 @@
    IN PSAC_CHANNEL Channel
    )
 {
-	return STATUS_NOT_IMPLEMENTED;
+	NTSTATUS Status;
+
+	ChannelSetEvent(Channel, RedrawEvent);
+
+	return Status;
 }

NTSTATUS
@@ -196,7 +258,11 @@
    IN PSAC_CHANNEL Channel
    )
 {
-	return STATUS_NOT_IMPLEMENTED;
+	NTSTATUS Status;
+	
+	ChannelClearEvent(Channel, RedrawEvent);
+	
+	return Status;
 }

NTSTATUS
@@ -205,7 +271,12 @@
    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 @@
    IN PSAC_CHANNEL Channel
    )
 {
-	return FALSE;
+	SAC_CHANNEL_STATUS ChannelStatus;
+
+	if (!NT_SUCCESS(ChannelGetStatus(Channel, &ChannelStatus))) return FALSE;
+
+	return (ChannelStatus == Active);
 }

BOOLEAN