[ros-diffs] [cgutman] 53144: [AFD] - Fix shutdown() for datagram sockets - Share some code between SD_BOTH and SD_RECEIVE

Author: cgutman
Date: Mon Aug  8 21:57:06 2011
New Revision: 53144

URL: http://svn.reactos.org/svn/reactos?rev=53144&view=rev
Log:
[AFD]
- Fix shutdown() for datagram sockets
- Share some code between SD_BOTH and SD_RECEIVE

Modified:
    trunk/reactos/drivers/network/afd/afd/main.c
    trunk/reactos/drivers/network/afd/afd/read.c
    trunk/reactos/drivers/network/afd/afd/write.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 21:57:06 2011
@@ -680,38 +680,52 @@
 	return UnlockAndMaybeComplete( FCB, STATUS_NO_MEMORY,
 				       Irp, 0 );
     
-    /* Shutdown(SD_SEND) */
+    /* Send direction only */
     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) &&
-             !(DisReq->DisconnectType & AFD_DISCONNECT_SEND))
+    /* Receive direction or both */
+    else
     {
         /* 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;
+        /* These are only for connection-oriented sockets */
+        if (!(FCB->Flags & AFD_ENDPOINT_CONNECTIONLESS))
+        {
+            /* Try to cancel a pending TDI receive IRP if there was one in progress */
+            if (FCB->ReceiveIrp.InFlightRequest)
+                IoCancelIrp(FCB->ReceiveIrp.InFlightRequest);
+
+            /* 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;
+
+            /* Set a successful close status to indicate a shutdown on overread */
+            FCB->PollStatus[FD_CLOSE_BIT] = STATUS_SUCCESS;
+        }
 
         /* 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;
+        /* Receive direction only */
+        if ((DisReq->DisconnectType & AFD_DISCONNECT_RECV) &&
+            !(DisReq->DisconnectType & AFD_DISCONNECT_SEND))
+        {
+            /* No need to tell the transport driver for receive direction only */
+            return UnlockAndMaybeComplete( FCB, STATUS_SUCCESS, Irp, 0 );
+        }
+        else
+        {
+            /* Perform an abortive disconnect */
+            Flags = TDI_DISCONNECT_ABORT;
+        }
     }
 
     if (!(FCB->Flags & AFD_ENDPOINT_CONNECTIONLESS))
@@ -785,9 +799,10 @@
             ExFreePool(FCB->RemoteAddress);
         
             FCB->RemoteAddress = NULL;
+        }
         
-            FCB->PollState &= ~AFD_EVENT_SEND;
-        }
+        FCB->PollState &= ~AFD_EVENT_SEND;
+        FCB->SendClosed = TRUE;
     }
 
     return UnlockAndMaybeComplete( FCB, Status, Irp, 0 );

Modified: trunk/reactos/drivers/network/afd/afd/read.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/network/afd/afd/re…
==============================================================================
--- trunk/reactos/drivers/network/afd/afd/read.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/network/afd/afd/read.c [iso-8859-1] Mon Aug  8 21:57:06 2011
@@ -27,8 +27,13 @@
 {
     FCB->Recv.BytesUsed = 0;
 
+    /* We got closed while the receive was in progress */
+    if (FCB->TdiReceiveClosed)
+    {
+        FCB->Recv.Content = 0;
+    }
     /* Receive successful with new data */
-    if (Status == STATUS_SUCCESS && Information)
+    else if (Status == STATUS_SUCCESS && Information)
     {
         FCB->Recv.Content = Information;
     }
@@ -693,6 +698,13 @@
 		return UnlockAndMaybeComplete
 			( FCB, STATUS_INVALID_PARAMETER, Irp, 0 );
     }
+
+    if (FCB->TdiReceiveClosed)
+    {
+        AFD_DbgPrint(MIN_TRACE,("Receive closed\n"));
+        return UnlockAndMaybeComplete(FCB, STATUS_FILE_CLOSED, Irp, 0);
+    }
+
     if( !(RecvReq = LockRequest( Irp, IrpSp )) )
 		return UnlockAndMaybeComplete
 			( FCB, STATUS_NO_MEMORY, Irp, 0 );

Modified: trunk/reactos/drivers/network/afd/afd/write.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/network/afd/afd/wr…
==============================================================================
--- trunk/reactos/drivers/network/afd/afd/write.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/network/afd/afd/write.c [iso-8859-1] Mon Aug  8 21:57:06 2011
@@ -516,6 +516,13 @@
 		return UnlockAndMaybeComplete
 			( FCB, STATUS_INVALID_PARAMETER, Irp, 0 );
     }
+
+    if (FCB->SendClosed)
+    {
+        AFD_DbgPrint(MIN_TRACE,("No more sends\n"));
+        return UnlockAndMaybeComplete(FCB, STATUS_FILE_CLOSED, Irp, 0);
+    }
+
     if( !(SendReq = LockRequest( Irp, IrpSp )) )
 		return UnlockAndMaybeComplete
 			( FCB, STATUS_NO_MEMORY, Irp, 0 );