[cgutman] 53141: [AFD] - Fix shutdown(SD_RECEIVE) so it no longer brings down the entire connection

Author: cgutman
Date: Mon Aug  8 21:23:24 2011
New Revision: 53141

URL: http://svn.reactos.org/svn/reactos?rev=53141&view=rev
Log:
[AFD]
- Fix shutdown(SD_RECEIVE) so it no longer brings down the entire connection

Modified:
    trunk/reactos/drivers/network/afd/afd/main.c

Modified: trunk/reactos/drivers/network/afd/afd/main.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/network/afd/afd/ma…
==============================================================================
--- trunk/reactos/drivers/network/afd/afd/main.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/network/afd/afd/main.c [iso-8859-1] Mon Aug  8 21:23:24 2011
@@ -670,7 +670,7 @@
     PAFD_FCB FCB = FileObject->FsContext;
     PAFD_DISCONNECT_INFO DisReq;
     NTSTATUS Status = STATUS_SUCCESS;
-    USHORT Flags = 0;
+    USHORT Flags;
     PLIST_ENTRY CurrentEntry;
     PIRP CurrentIrp;
 
@@ -680,11 +680,38 @@
 	return UnlockAndMaybeComplete( FCB, STATUS_NO_MEMORY,
 				       Irp, 0 );
     
-    if( DisReq->DisconnectType & AFD_DISCONNECT_SEND )
-	    Flags |= TDI_DISCONNECT_RELEASE;
-    if( DisReq->DisconnectType & AFD_DISCONNECT_RECV ||
-       DisReq->DisconnectType & AFD_DISCONNECT_ABORT )
-	    Flags |= TDI_DISCONNECT_ABORT;
+    /* Shutdown(SD_SEND) */
+    if ((DisReq->DisconnectType & AFD_DISCONNECT_SEND) &&
+        !(DisReq->DisconnectType & AFD_DISCONNECT_RECV))
+    {
+        /* Perform a controlled disconnect */
+        Flags = TDI_DISCONNECT_RELEASE;
+    }
+    /* Shutdown(SD_RECEIVE) */
+    else if (DisReq->DisconnectType & AFD_DISCONNECT_RECV)
+    {
+        /* Mark that we can't issue another receive request */
+        FCB->TdiReceiveClosed = TRUE;
+
+        /* Discard any pending data */
+        FCB->Recv.Content = 0;
+        FCB->Recv.BytesUsed = 0;
+
+        /* Mark us as overread to complete future reads with an error */
+        FCB->Overread = TRUE;
+
+        /* Clear the receive event */
+        FCB->PollState &= ~AFD_EVENT_RECEIVE;
+
+        /* We're done (no need to tell the TDI transport driver) */
+        return UnlockAndMaybeComplete( FCB, STATUS_SUCCESS, Irp, 0 );
+    }
+    /* Shutdown(SD_BOTH) */
+    else
+    {
+        /* Perform an abortive disconnect */
+        Flags = TDI_DISCONNECT_ABORT;
+    }
 
     if (!(FCB->Flags & AFD_ENDPOINT_CONNECTIONLESS))
     {