[cgutman] 52783: [AFD] - Fix (hopefully) the final disconnect bugs

Author: cgutman
Date: Fri Jul 22 15:11:01 2011
New Revision: 52783
URL: http://svn.reactos.org/svn/reactos?rev=52783&view=rev
Log:
[AFD]
- Fix (hopefully) the final disconnect bugs
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
    trunk/reactos/drivers/network/afd/include/afd.h
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] Fri Jul 22 15:11:01 2011
@@ -603,12 +603,13 @@
         IoCompleteRequest(CurrentIrp, IO_NETWORK_INCREMENT );
     }
-    if (FCB->DisconnectFlags & TDI_DISCONNECT_RELEASE)
-        FCB->PollState |= AFD_EVENT_DISCONNECT;
-    else
+    if (!(FCB->DisconnectFlags & TDI_DISCONNECT_RELEASE))
+    {
+        /* Signal complete connection closure immediately */
         FCB->PollState |= AFD_EVENT_ABORT;
-    FCB->PollStatus[FD_CLOSE_BIT] = Irp->IoStatus.Status;
-    PollReeval(FCB->DeviceExt, FCB->FileObject);
+        FCB->PollStatus[FD_CLOSE_BIT] = Irp->IoStatus.Status;
+        PollReeval(FCB->DeviceExt, FCB->FileObject);
+    }
     SocketStateUnlock(FCB);
@@ -721,6 +722,7 @@
         FCB->DisconnectFlags = Flags;
         FCB->DisconnectTimeout = DisReq->Timeout;
         FCB->DisconnectPending = TRUE;
+        FCB->SendClosed = TRUE;
         Status = QueueUserModeIrp(FCB, Irp, FUNCTION_DISCONNECT);
         if (Status == STATUS_PENDING)
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] Fri Jul 22 15:11:01 2011
@@ -32,8 +32,8 @@
        {
         FCB->TdiReceiveClosed = TRUE;
-        /* Signal unexpected termination immediately */
-               FCB->PollState |= AFD_EVENT_ABORT;
+        /* Signal complete connection failure immediately */
+               FCB->PollState |= AFD_EVENT_CLOSE;
                FCB->PollStatus[FD_CLOSE_BIT] = Status;
                PollReeval( FCB->DeviceExt, FCB->FileObject );
@@ -232,13 +232,12 @@
         PollReeval( FCB->DeviceExt, FCB->FileObject );
     }
     else if (CantReadMore(FCB) &&
-             !(FCB->PollState & (AFD_EVENT_ABORT | AFD_EVENT_CLOSE)) &&
-             IsListEmpty(&FCB->PendingIrpList[FUNCTION_RECV]))
+             !(FCB->PollState & (AFD_EVENT_CLOSE | AFD_EVENT_ABORT)))
     {
         FCB->PollState &= ~AFD_EVENT_RECEIVE;
-        /* Signal delayed close event */
-        FCB->PollState |= AFD_EVENT_ABORT;
+        /* Signal graceful receive shutdown */
+        FCB->PollState |= AFD_EVENT_DISCONNECT;
                FCB->PollStatus[FD_CLOSE_BIT] = STATUS_SUCCESS;
                PollReeval( FCB->DeviceExt, FCB->FileObject );
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] Fri Jul 22 15:11:01 2011
@@ -351,26 +351,28 @@
         }
     }
-    if (FCB->DisconnectPending && (FCB->DisconnectFlags &
TDI_DISCONNECT_RELEASE))
+    if (FCB->PollState & AFD_EVENT_CLOSE)
+    {
+        AFD_DbgPrint(MIN_TRACE,("Connection reset by remote peer\n"));
+
+        /* This is an unexpected remote disconnect */
+        return UnlockAndMaybeComplete(FCB, FCB->PollStatus[FD_CLOSE_BIT], Irp, 0);
+    }
+
+    if (FCB->PollState & AFD_EVENT_ABORT)
+    {
+        AFD_DbgPrint(MIN_TRACE,("Connection aborted\n"));
+
+        /* This is an abortive socket closure on our side */
+        return UnlockAndMaybeComplete(FCB, FCB->PollStatus[FD_CLOSE_BIT], Irp, 0);
+    }
+
+    if (FCB->SendClosed)
     {
         AFD_DbgPrint(MIN_TRACE,("No more sends\n"));
-        /* We're pending a send shutdown so don't accept anymore sends */
+
+        /* This is a graceful send closure */
         return UnlockAndMaybeComplete(FCB, STATUS_FILE_CLOSED, Irp, 0);
-    }
-
-    if (FCB->PollState & (AFD_EVENT_CLOSE | AFD_EVENT_DISCONNECT))
-    {
-        AFD_DbgPrint(MIN_TRACE,("No more sends\n"));
-        if (FCB->PollStatus[FD_CLOSE_BIT] == STATUS_SUCCESS)
-        {
-            /* This is a local send shutdown or a graceful remote disconnect */
-            return UnlockAndMaybeComplete(FCB, STATUS_FILE_CLOSED, Irp, 0);
-        }
-        else
-        {
-            /* This is an unexpected remote disconnect */
-            return UnlockAndMaybeComplete(FCB, FCB->PollStatus[FD_CLOSE_BIT], Irp, 0);
-        }
     }
     if( !(SendReq = LockRequest( Irp, IrpSp )) )
Modified: trunk/reactos/drivers/network/afd/include/afd.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/network/afd/includ…
==============================================================================
--- trunk/reactos/drivers/network/afd/include/afd.h [iso-8859-1] (original)
+++ trunk/reactos/drivers/network/afd/include/afd.h [iso-8859-1] Fri Jul 22 15:11:01 2011
@@ -173,7 +173,7 @@
 } AFD_STORED_DATAGRAM, *PAFD_STORED_DATAGRAM;
 typedef struct _AFD_FCB {
-    BOOLEAN Locked, Critical, Overread, NonBlocking, OobInline, TdiReceiveClosed;
+    BOOLEAN Locked, Critical, Overread, NonBlocking, OobInline, TdiReceiveClosed,
SendClosed;
     UINT State, Flags, GroupID, GroupType;
     KIRQL OldIrql;
     UINT LockCount;