[cmihail] 52170: [AFD, TCPIP] Bind issue seems solved now. Server app can be restarted without failing at binding. More information is at r52166. Patch by cgutman.

Author: cmihail
Date: Fri Jun 10 09:24:29 2011
New Revision: 52170

URL: http://svn.reactos.org/svn/reactos?rev=52170&view=rev
Log:
[AFD, TCPIP]
Bind issue seems solved now. Server app can be restarted without failing at binding. More
information is at r52166. Patch by cgutman.

Modified:
    branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/bind.c
    branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/listen.c
    branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/lock.c
    branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/main.c
    branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/write.c
    branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/dispatch.c
    branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/fileobjs.c
    branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/main.c

Modified: branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/bind.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/TcpIpDriver/drivers/n…
==============================================================================
--- branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/bind.c [iso-8859-1] (original)
+++ branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/bind.c [iso-8859-1] Fri Jun 10
09:24:29 2011
@@ -65,6 +65,7 @@
     PAFD_BIND_DATA BindReq;
 
     AFD_DbgPrint(MID_TRACE,("Called\n"));
+    DbgPrint("[AFD, AfdBindSocket] Called\n");
 
     if ( !SocketAcquireStateLock( FCB ) )
         return LostSocket( Irp );
@@ -109,6 +110,8 @@
     if (NT_SUCCESS(Status))
         FCB->State = SOCKET_STATE_BOUND;
 
+    DbgPrint("[AFD, AfdBindSocket] Leaving\n");
+
     /* MSAFD relies on us returning the address file handle in the IOSB */
     return UnlockAndMaybeComplete( FCB, Status, Irp,
(ULONG_PTR)FCB->AddressFile.Handle );
 }

Modified: branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/listen.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/TcpIpDriver/drivers/n…
==============================================================================
--- branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/listen.c [iso-8859-1]
(original)
+++ branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/listen.c [iso-8859-1] Fri Jun
10 09:24:29 2011
@@ -114,22 +114,22 @@
     NTSTATUS Status = STATUS_SUCCESS;
     PAFD_FCB FCB = (PAFD_FCB)Context;
     PAFD_TDI_OBJECT_QELT Qelt;
-    PLIST_ENTRY NextIrpEntry, QeltEntry;
+    PLIST_ENTRY NextIrpEntry;
     PIRP NextIrp;
 
     DbgPrint("[AFD, ListenComplete] Called\n");
 
-    if( !SocketAcquireStateLock( FCB ) )
+    if ( !SocketAcquireStateLock( FCB ) )
         return STATUS_FILE_CLOSED;
 
     FCB->ListenIrp.InFlightRequest = NULL;
 
     DbgPrint("[AFD, ListenComplete] FCB->State = 0x%x (should be 0x%x)\n",
FCB->State, SOCKET_STATE_CLOSED);
 
-    if( FCB->State == SOCKET_STATE_CLOSED )
+    if ( FCB->State == SOCKET_STATE_CLOSED )
     {
         /* Cleanup our IRP queue because the FCB is being destroyed */
-        while( !IsListEmpty( &FCB->PendingIrpList[FUNCTION_PREACCEPT] ) )
+        while ( !IsListEmpty( &FCB->PendingIrpList[FUNCTION_PREACCEPT] ) )
         {
 	       NextIrpEntry = RemoveHeadList(&FCB->PendingIrpList[FUNCTION_PREACCEPT]);
 	       NextIrp = CONTAINING_RECORD(NextIrpEntry, IRP, Tail.Overlay.ListEntry);
@@ -140,13 +140,6 @@
 	       IoCompleteRequest( NextIrp, IO_NETWORK_INCREMENT );
         }
 
-        /* Free all pending connections */
-        while( !IsListEmpty( &FCB->PendingConnections ) ) {
-               QeltEntry = RemoveHeadList(&FCB->PendingConnections);
-               Qelt = CONTAINING_RECORD(QeltEntry, AFD_TDI_OBJECT_QELT, ListEntry);
-               ExFreePool(Qelt);
-        }
-
         /* Free ConnectionReturnInfo and ConnectionCallInfo */
         if (FCB->ListenIrp.ConnectionReturnInfo)
         {
@@ -165,7 +158,13 @@
     }
 
     AFD_DbgPrint(MID_TRACE,("Completing listen request.\n"));
-    AFD_DbgPrint(MID_TRACE,("IoStatus was %x\n",
FCB->ListenIrp.Iosb.Status));
+    AFD_DbgPrint(MID_TRACE,("IoStatus was %x\n", Irp->IoStatus.Status));
+    
+    if (Irp->IoStatus.Status != STATUS_SUCCESS)
+    {
+        SocketStateUnlock(FCB);
+        return Irp->IoStatus.Status;
+    }
 
     DbgPrint("[AFD, ListenComplete] Completing listen request.\n");
     DbgPrint("[AFD, ListenComplete] IoStatus was %x\n",
FCB->ListenIrp.Iosb.Status);
@@ -202,7 +201,7 @@
     }
 
     /* Satisfy a pre-accept request if one is available */
-    if( !IsListEmpty( &FCB->PendingIrpList[FUNCTION_PREACCEPT] ) &&
+    if ( !IsListEmpty( &FCB->PendingIrpList[FUNCTION_PREACCEPT] ) &&
 	    !IsListEmpty( &FCB->PendingConnections ) )
     {
 	    PLIST_ENTRY PendingIrp  =
@@ -240,7 +239,7 @@
     }
 
     /* Trigger a select return if appropriate */
-    if( !IsListEmpty( &FCB->PendingConnections ) )
+    if ( !IsListEmpty( &FCB->PendingConnections ) )
     {
 	    FCB->PollState |= AFD_EVENT_ACCEPT;
         FCB->PollStatus[FD_ACCEPT_BIT] = STATUS_SUCCESS;

Modified: branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/lock.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/TcpIpDriver/drivers/n…
==============================================================================
--- branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/lock.c [iso-8859-1] (original)
+++ branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/lock.c [iso-8859-1] Fri Jun 10
09:24:29 2011
@@ -252,10 +252,38 @@
 }
 
 NTSTATUS LeaveIrpUntilLater( PAFD_FCB FCB, PIRP Irp, UINT Function ) {
+    NTSTATUS Status;
+    
+    /* Add the IRP to the queue in all cases (so AfdCancelHandler will work properly) */
     InsertTailList( &FCB->PendingIrpList[Function],
-		    &Irp->Tail.Overlay.ListEntry );
-    IoMarkIrpPending(Irp);
-    (void)IoSetCancelRoutine(Irp, AfdCancelHandler);
+                    &Irp->Tail.Overlay.ListEntry );
+    
+    /* Acquire the cancel spin lock and check the cancel bit */
+    IoAcquireCancelSpinLock(&Irp->CancelIrql);
+    if (!Irp->Cancel)
+    {
+        /* We are not cancelled; we're good to go so
+         * set the cancel routine, release the cancel spin lock,
+         * mark the IRP as pending, and
+         * return STATUS_PENDING to the caller
+         */
+        (void)IoSetCancelRoutine(Irp, AfdCancelHandler);
+        IoReleaseCancelSpinLock(Irp->CancelIrql);
+        IoMarkIrpPending(Irp);
+        Status = STATUS_PENDING;
+    }
+    else
+    {
+        /* We were already cancelled before we were able to register our cancel routine
+         * so we are to call the cancel routine ourselves right here to cancel the IRP
+         * (which handles all the stuff we do above) and return STATUS_CANCELLED to the
caller
+         */
+        AfdCancelHandler(IoGetCurrentIrpStackLocation(Irp)->DeviceObject,
+                         Irp);
+        Status = STATUS_CANCELLED;
+    }
+    
     SocketStateUnlock( FCB );
-    return STATUS_PENDING;
-}
+
+    return Status;
+}

Modified: branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/main.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/TcpIpDriver/drivers/n…
==============================================================================
--- branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/main.c [iso-8859-1] (original)
+++ branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/main.c [iso-8859-1] Fri Jun 10
09:24:29 2011
@@ -258,7 +258,7 @@
     AFD_DbgPrint(MID_TRACE,
 		 ("AfdCreate(DeviceObject %p Irp %p)\n", DeviceObject, Irp));
 
-    DbgPrint("[AfdCreate] Created socket\n");
+    DbgPrint("[AFD, AfdCreate] Called\n");
 
     DeviceExt = DeviceObject->DeviceExtension;
     FileObject = IrpSp->FileObject;
@@ -368,6 +368,8 @@
     Irp->IoStatus.Status = Status;
     IoCompleteRequest( Irp, IO_NETWORK_INCREMENT );
 
+    DbgPrint("[AFD, AfdCreate] Leaving. Status = 0x%x\n");
+
     return Status;
 }
 
@@ -383,10 +385,12 @@
 
     DbgPrint("[AFD, AfdCleanupSocket] Called\n");
 
-    if( !SocketAcquireStateLock( FCB ) ) return LostSocket(Irp);
+    if ( !SocketAcquireStateLock( FCB ) )
+        return LostSocket(Irp);
 
     for (Function = 0; Function < MAX_FUNCTIONS; Function++)
     {
+        /* Cancel IRPs from MSAFD to AFD (pending IRPs) */
         CurrentEntry = FCB->PendingIrpList[Function].Flink;
         while (CurrentEntry != &FCB->PendingIrpList[Function])
         {
@@ -415,15 +419,18 @@
     PAFD_FCB FCB = FileObject->FsContext;
     UINT i;
     PAFD_IN_FLIGHT_REQUEST InFlightRequest[IN_FLIGHT_REQUESTS];
+    PAFD_TDI_OBJECT_QELT Qelt;
+    PLIST_ENTRY QeltEntry;
+    
 
     AFD_DbgPrint(MID_TRACE,
 		 ("AfdClose(DeviceObject %p Irp %p)\n", DeviceObject, Irp));
-    DbgPrint("[AfdCloseSocket] Called\n");
+    DbgPrint("[AFD, AfdCloseSocket] Called\n");
 
     if( !SocketAcquireStateLock( FCB ) )
         return STATUS_FILE_CLOSED;
 
-    DbgPrint("[AfdCloseSocket] Setting closed state\n");
+    DbgPrint("[AFD, AfdCloseSocket] Setting closed state\n");
 
     FCB->State = SOCKET_STATE_CLOSED;
     FCB->PollState = AFD_EVENT_CLOSE;
@@ -435,7 +442,8 @@
     InFlightRequest[2] = &FCB->SendIrp;
     InFlightRequest[3] = &FCB->ConnectIrp;
 
-    /* Cancel our pending requests */
+    /* Cancel our pending _In Flight_ IRPs
+       That is IRPs from AFD -> tcpip*/
     for( i = 0; i < IN_FLIGHT_REQUESTS; i++ )
     {
 	    if( InFlightRequest[i]->InFlightRequest )
@@ -448,6 +456,24 @@
 
     KillSelectsForFCB( FCB->DeviceExt, FileObject, FALSE );
 
+    ASSERT(IsListEmpty(&FCB->PendingIrpList[FUNCTION_CONNECT]));
+    ASSERT(IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]));
+    ASSERT(IsListEmpty(&FCB->PendingIrpList[FUNCTION_RECV]));
+    ASSERT(IsListEmpty(&FCB->PendingIrpList[FUNCTION_PREACCEPT]));
+
+    while (!IsListEmpty(&FCB->PendingConnections))
+    {
+        QeltEntry = RemoveHeadList(&FCB->PendingConnections);
+        Qelt = CONTAINING_RECORD(QeltEntry, AFD_TDI_OBJECT_QELT, ListEntry);
+
+        /* We have to close all pending connections or the listen won't get closed
*/
+        TdiDisassociateAddressFile(Qelt->Object.Object);
+        ObDereferenceObject(Qelt->Object.Object);
+        ZwClose(Qelt->Object.Handle);
+
+        ExFreePool(Qelt);
+    }
+
     SocketStateUnlock( FCB );
 
     if( FCB->EventSelect )
@@ -489,7 +515,7 @@
     if( FCB->Connection.Object )
     {
         TdiDisassociateAddressFile(FCB->Connection.Object);
-	ObDereferenceObject(FCB->Connection.Object);
+	    ObDereferenceObject(FCB->Connection.Object);
     }
 
     if( FCB->AddressFile.Object )
@@ -499,7 +525,7 @@
     {
         if (ZwClose(FCB->AddressFile.Handle) == STATUS_INVALID_HANDLE)
         {
-            DbgPrint("[AfdCloseSocket] INVALID ADDRESS FILE HANDLE VALUE: %x
%x\n", FCB->AddressFile.Handle, FCB->AddressFile.Object);
+            DbgPrint("[AFD, AfdCloseSocket] INVALID ADDRESS FILE HANDLE VALUE: %x
%x\n", FCB->AddressFile.Handle, FCB->AddressFile.Object);
         }
     }
 
@@ -507,7 +533,7 @@
     {
         if (ZwClose(FCB->Connection.Handle) == STATUS_INVALID_HANDLE)
         {
-            DbgPrint("[AfdCloseSocket] INVALID CONNECTION HANDLE VALUE: %x
%x\n", FCB->Connection.Handle, FCB->Connection.Object);
+            DbgPrint("[AFD, AfdCloseSocket] INVALID CONNECTION HANDLE VALUE: %x
%x\n", FCB->Connection.Handle, FCB->Connection.Object);
         }
     }
 
@@ -521,7 +547,7 @@
     IoCompleteRequest(Irp, IO_NETWORK_INCREMENT);
 
     AFD_DbgPrint(MID_TRACE, ("Returning success.\n"));
-    DbgPrint("[AfdCloseSocket] Leaving\n");
+    DbgPrint("[AFD, AfdCloseSocket] Leaving\n");
 
     return STATUS_SUCCESS;
 }
@@ -793,6 +819,33 @@
     return (Status);
 }
 
+VOID
+CleanupPendingIrp(PIRP Irp, PIO_STACK_LOCATION IrpSp, PAFD_ACTIVE_POLL Poll)
+{
+    PAFD_RECV_INFO RecvReq;
+    PAFD_SEND_INFO SendReq;
+    PAFD_POLL_INFO PollReq;
+    
+    if (IrpSp->Parameters.DeviceIoControl.IoControlCode == IOCTL_AFD_RECV ||
+        IrpSp->MajorFunction == IRP_MJ_READ)
+    {
+        RecvReq = IrpSp->Parameters.DeviceIoControl.Type3InputBuffer;
+        UnlockBuffers(RecvReq->BufferArray, RecvReq->BufferCount, FALSE);
+    }
+    else if (IrpSp->Parameters.DeviceIoControl.IoControlCode == IOCTL_AFD_SEND ||
+             IrpSp->MajorFunction == IRP_MJ_WRITE)
+    {
+        SendReq = IrpSp->Parameters.DeviceIoControl.Type3InputBuffer;
+        UnlockBuffers(SendReq->BufferArray, SendReq->BufferCount, FALSE);
+    }
+    else if (IrpSp->Parameters.DeviceIoControl.IoControlCode == IOCTL_AFD_SELECT)
+    {
+        PollReq = Irp->AssociatedIrp.SystemBuffer;
+        ZeroEvents(PollReq->Handles, PollReq->HandleCount);
+        SignalSocket(Poll, NULL, PollReq, STATUS_CANCELLED);
+    }       
+}
+
 VOID NTAPI
 AfdCancelHandler(PDEVICE_OBJECT DeviceObject,
                  PIRP Irp)
@@ -800,39 +853,46 @@
     PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
     PFILE_OBJECT FileObject = IrpSp->FileObject;
     PAFD_FCB FCB = FileObject->FsContext;
-    UINT Function;
-    PAFD_RECV_INFO RecvReq;
-    PAFD_SEND_INFO SendReq;
+    ULONG Function, IoctlCode;
+    PIRP CurrentIrp;
     PLIST_ENTRY CurrentEntry;
-    PIRP CurrentIrp;
     PAFD_DEVICE_EXTENSION DeviceExt = DeviceObject->DeviceExtension;
     KIRQL OldIrql;
     PAFD_ACTIVE_POLL Poll;
-    PAFD_POLL_INFO PollReq;
 
     IoReleaseCancelSpinLock(Irp->CancelIrql);
-
+    
     if (!SocketAcquireStateLock(FCB))
         return;
-
-    ASSERT(IrpSp->MajorFunction == IRP_MJ_DEVICE_CONTROL);
-
-    switch (IrpSp->Parameters.DeviceIoControl.IoControlCode)
+    
+    switch (IrpSp->MajorFunction)
+    {
+        case IRP_MJ_DEVICE_CONTROL:
+            IoctlCode = IrpSp->Parameters.DeviceIoControl.IoControlCode;
+            break;
+            
+        case IRP_MJ_READ:
+            IoctlCode = IOCTL_AFD_RECV;
+            break;
+            
+        case IRP_MJ_WRITE:
+            IoctlCode = IOCTL_AFD_SEND;
+            break;
+            
+        default:
+            ASSERT(FALSE);
+            SocketStateUnlock(FCB);
+            return;
+    }
+
+    switch (IoctlCode)
     {
         case IOCTL_AFD_RECV:
-        RecvReq = IrpSp->Parameters.DeviceIoControl.Type3InputBuffer;
-	UnlockBuffers(RecvReq->BufferArray, RecvReq->BufferCount, FALSE);
-        /* Fall through */
-
         case IOCTL_AFD_RECV_DATAGRAM:
         Function = FUNCTION_RECV;
         break;
 
         case IOCTL_AFD_SEND:
-        SendReq = IrpSp->Parameters.DeviceIoControl.Type3InputBuffer;
-        UnlockBuffers(SendReq->BufferArray, SendReq->BufferCount, FALSE);
-        /* Fall through */
-
         case IOCTL_AFD_SEND_DATAGRAM:
         Function = FUNCTION_SEND;
         break;
@@ -852,14 +912,13 @@
         while (CurrentEntry != &DeviceExt->Polls)
         {
             Poll = CONTAINING_RECORD(CurrentEntry, AFD_ACTIVE_POLL, ListEntry);
-            CurrentIrp = Poll->Irp;
-            PollReq = CurrentIrp->AssociatedIrp.SystemBuffer;
-
-            if (CurrentIrp == Irp)
+
+            if (Irp == Poll->Irp)
             {
-                ZeroEvents(PollReq->Handles, PollReq->HandleCount);
-                SignalSocket(Poll, NULL, PollReq, STATUS_CANCELLED);
-                break;
+                CleanupPendingIrp(Irp, IrpSp, Poll);
+                KeReleaseSpinLock(&DeviceExt->Lock, OldIrql);
+                SocketStateUnlock(FCB);
+                return;
             }
             else
             {
@@ -869,8 +928,9 @@
 
         KeReleaseSpinLock(&DeviceExt->Lock, OldIrql);
 
-        /* IRP already completed by SignalSocket */
         SocketStateUnlock(FCB);
+            
+        DbgPrint("WARNING!!! IRP cancellation race could lead to a process hang!
(IOCTL_AFD_SELECT)\n");
         return;
             
         default:
@@ -887,7 +947,9 @@
         if (CurrentIrp == Irp)
         {
             RemoveEntryList(CurrentEntry);
-            break;
+            CleanupPendingIrp(Irp, IrpSp, NULL);
+            UnlockAndMaybeComplete(FCB, STATUS_CANCELLED, Irp, 0);
+            return;
         }
         else
         {
@@ -895,7 +957,9 @@
         }
     }
     
-    UnlockAndMaybeComplete(FCB, STATUS_CANCELLED, Irp, 0);
+    SocketStateUnlock(FCB);
+    
+    DbgPrint("WARNING!!! IRP cancellation race could lead to a process hang!
(Function: %d)\n", Function);
 }
 
 static VOID NTAPI

Modified: branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/write.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/TcpIpDriver/drivers/n…
==============================================================================
--- branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/write.c [iso-8859-1]
(original)
+++ branches/GSoC_2011/TcpIpDriver/drivers/network/afd/afd/write.c [iso-8859-1] Fri Jun 10
09:24:29 2011
@@ -185,9 +185,12 @@
     FCB->SendIrp.InFlightRequest = NULL;
     /* Request is not in flight any longer */
 
-    FCB->PollState |= AFD_EVENT_SEND;
-    FCB->PollStatus[FD_WRITE_BIT] = STATUS_SUCCESS;
-    PollReeval( FCB->DeviceExt, FCB->FileObject );
+    if (Irp->IoStatus.Status == STATUS_SUCCESS)
+    {
+        FCB->PollState |= AFD_EVENT_SEND;
+        FCB->PollStatus[FD_WRITE_BIT] = STATUS_SUCCESS;
+        PollReeval( FCB->DeviceExt, FCB->FileObject );
+    }
 
     if( FCB->State == SOCKET_STATE_CLOSED ) {
         /* Cleanup our IRP queue because the FCB is being destroyed */

Modified: branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/dispatch.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/TcpIpDriver/drivers/n…
==============================================================================
--- branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/dispatch.c [iso-8859-1]
(original)
+++ branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/dispatch.c [iso-8859-1] Fri
Jun 10 09:24:29 2011
@@ -647,21 +647,22 @@
     * when a new connection arrives. */
     /* The important thing to note here is that the irp we'll complete belongs
     * to the socket to be accepted onto, not the listener */
-    if( NT_SUCCESS(Status) && !Connection->AddressFile->Listener )
+    if ( NT_SUCCESS(Status) && !Connection->AddressFile->Listener )
     {
         Connection->AddressFile->Listener = TCPAllocateConnectionEndpoint( NULL );
 
-        if( !Connection->AddressFile->Listener )
+        if ( !Connection->AddressFile->Listener )
 	        Status = STATUS_NO_MEMORY;
 
-        if( NT_SUCCESS(Status) ) {
+        if ( NT_SUCCESS(Status) )
+        {
 	        Connection->AddressFile->Listener->AddressFile =
 	        Connection->AddressFile;
 
-	            Status = TCPSocket( Connection->AddressFile->Listener,
-			            Connection->AddressFile->Family,
-			            SOCK_STREAM,
-			            Connection->AddressFile->Protocol );
+	        Status = TCPSocket( Connection->AddressFile->Listener,
+			        Connection->AddressFile->Family,
+			        SOCK_STREAM,
+			        Connection->AddressFile->Protocol );
         }
 
         if ( NT_SUCCESS(Status) )

Modified: branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/fileobjs.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/TcpIpDriver/drivers/n…
==============================================================================
--- branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/fileobjs.c [iso-8859-1]
(original)
+++ branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/fileobjs.c [iso-8859-1] Fri
Jun 10 09:24:29 2011
@@ -239,6 +239,7 @@
   PADDRESS_FILE AddrFile;
 
   TI_DbgPrint(MID_TRACE, ("Called (Proto %d).\n", Protocol));
+  DbgPrint("[TCPIP, FileOpenAddress] Called. Proto %d\n", Protocol);
 
   AddrFile = ExAllocatePoolWithTag(NonPagedPool, sizeof(ADDRESS_FILE),
                                    ADDR_FILE_TAG);
@@ -359,6 +360,7 @@
     &AddressFileListLock);
 
   TI_DbgPrint(MAX_TRACE, ("Leaving.\n"));
+  DbgPrint("[TCPIP, FileOpenAddress] Leaving\n");
 
   return STATUS_SUCCESS;
 }
@@ -376,6 +378,8 @@
 {
   PADDRESS_FILE AddrFile = Request->Handle.AddressHandle;
   KIRQL OldIrql;
+
+  DbgPrint("[TCPIP, FileCloseAddress] Called\n");
 
   if (!Request->Handle.AddressHandle) return STATUS_INVALID_PARAMETER;
 
@@ -393,6 +397,7 @@
   DereferenceObject(AddrFile);
 
   TI_DbgPrint(MAX_TRACE, ("Leaving.\n"));
+  DbgPrint("[TCPIP, FileCloseAddress] Leaving\n");
 
   return STATUS_SUCCESS;
 }

Modified: branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/main.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/TcpIpDriver/drivers/n…
==============================================================================
--- branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/main.c [iso-8859-1]
(original)
+++ branches/GSoC_2011/TcpIpDriver/drivers/network/tcpip/tcpip/main.c [iso-8859-1] Fri Jun
10 09:24:29 2011
@@ -260,43 +260,50 @@
   PDEVICE_OBJECT DeviceObject,
   PIRP Irp)
 {
-  PIO_STACK_LOCATION IrpSp;
-  PTRANSPORT_CONTEXT Context;
-  TDI_REQUEST Request;
-  NTSTATUS Status;
-
-  IrpSp   = IoGetCurrentIrpStackLocation(Irp);
-  Context = IrpSp->FileObject->FsContext;
-  if (!Context) {
-    TI_DbgPrint(MIN_TRACE, ("Parameters are invalid.\n"));
-    return STATUS_INVALID_PARAMETER;
-  }
-
-  switch ((ULONG_PTR)IrpSp->FileObject->FsContext2) {
-  case TDI_TRANSPORT_ADDRESS_FILE:
-    Request.Handle.AddressHandle = Context->Handle.AddressHandle;
-    Status = FileCloseAddress(&Request);
-    break;
-
-  case TDI_CONNECTION_FILE:
-    Request.Handle.ConnectionContext = Context->Handle.ConnectionContext;
-    Status = FileCloseConnection(&Request);
-    break;
-
-  case TDI_CONTROL_CHANNEL_FILE:
-    Request.Handle.ControlChannel = Context->Handle.ControlChannel;
-    Status = FileCloseControlChannel(&Request);
-    break;
-
-  default:
-    DbgPrint("Unknown type %d\n",
(ULONG_PTR)IrpSp->FileObject->FsContext2);
-    Status = STATUS_INVALID_PARAMETER;
-    break;
-  }
-
-  Irp->IoStatus.Status = Status;
-
-  return Irp->IoStatus.Status;
+    PIO_STACK_LOCATION IrpSp;
+    PTRANSPORT_CONTEXT Context;
+    TDI_REQUEST Request;
+    NTSTATUS Status;
+
+    DbgPrint("[TCPIP, TiCloseFileObject] Called\n");
+
+    IrpSp   = IoGetCurrentIrpStackLocation(Irp);
+    Context = IrpSp->FileObject->FsContext;
+    if (!Context)
+    {
+        TI_DbgPrint(MIN_TRACE, ("Parameters are invalid.\n"));
+        return STATUS_INVALID_PARAMETER;
+    }
+
+    switch ((ULONG_PTR)IrpSp->FileObject->FsContext2)
+    {
+        case TDI_TRANSPORT_ADDRESS_FILE:
+            DbgPrint("[TCPIP, TiCloseFileObject] Closing address file\n");
+            Request.Handle.AddressHandle = Context->Handle.AddressHandle;
+            Status = FileCloseAddress(&Request);
+            break;
+
+        case TDI_CONNECTION_FILE:
+            Request.Handle.ConnectionContext = Context->Handle.ConnectionContext;
+            Status = FileCloseConnection(&Request);
+            break;
+
+        case TDI_CONTROL_CHANNEL_FILE:
+            Request.Handle.ControlChannel = Context->Handle.ControlChannel;
+            Status = FileCloseControlChannel(&Request);
+            break;
+
+        default:
+            DbgPrint("Unknown type %d\n",
(ULONG_PTR)IrpSp->FileObject->FsContext2);
+            Status = STATUS_INVALID_PARAMETER;
+            break;
+    }
+
+    Irp->IoStatus.Status = Status;
+
+    DbgPrint("[TCPIP, TiCloseFileObject] Leaving. Status = 0x%x\n", Status);
+
+    return Irp->IoStatus.Status;
 }