[AFD]

merge r52502, r52510

[TCPIP]
merge r52501, r52511

svn path=/branches/GSoC_2011/TcpIpDriver/; revision=52520

drivers/network/afd/afd/info.c

@@ -73,6 +73,19 @@ AfdGetInfo(PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
 	                 InfoReq->Information.Ulong++;
 	                 CurrentEntry = CurrentEntry->Flink;
 	            }
+
+                /* This needs to count too because when this is dispatched
+                 * the user-mode IRP has already been completed and therefore
+                 * will NOT be in our pending IRP list. We count this as one send
+                 * outstanding although it could be multiple since we batch sends
+                 * when waiting for the in flight request to return, so this number
+                 * may not be accurate but it really doesn't matter that much since
+                 * it's more or less a zero/non-zero comparison to determine whether
+                 * we can shutdown the socket
+                 */
+                if (FCB->SendIrp.InFlightRequest)
+                    InfoReq->Information.Ulong++;
+
                 break;
 
 	        default:

drivers/network/afd/afd/main.c

@@ -616,7 +616,8 @@ DisconnectComplete(PDEVICE_OBJECT DeviceObject,
     FCB->DisconnectIrp.InFlightRequest = NULL;
     
     ASSERT(FCB->DisconnectPending);
-    //ASSERT(IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]) || (FCB->DisconnectFlags & TDI_DISCONNECT_ABORT));
+    ASSERT((IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]) && !FCB->SendIrp.InFlightRequest) ||
+           (FCB->DisconnectFlags & TDI_DISCONNECT_ABORT));
     
     if (NT_SUCCESS(Irp->IoStatus.Status) && (FCB->DisconnectFlags & TDI_DISCONNECT_RELEASE))
     {
@@ -666,11 +667,11 @@ static
 NTSTATUS
 DoDisconnect(PAFD_FCB FCB)
 {
-    PAFD_DISCONNECT_INFO DisReq;
-    IO_STATUS_BLOCK Iosb;
     NTSTATUS Status;
     
     ASSERT(FCB->DisconnectPending);
+    ASSERT((IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]) && !FCB->SendIrp.InFlightRequest) ||
+           (FCB->DisconnectFlags & TDI_DISCONNECT_ABORT));
     
     if (FCB->DisconnectIrp.InFlightRequest)
     {
@@ -684,13 +685,14 @@ DoDisconnect(PAFD_FCB FCB)
 
     Status = TdiDisconnect(&FCB->DisconnectIrp.InFlightRequest,
                            FCB->Connection.Object,
-                           &DisReq->Timeout,
+                           &FCB->DisconnectTimeout,
                            FCB->DisconnectFlags,
-                           &Iosb,
+                           &FCB->DisconnectIrp.Iosb,
                            DisconnectComplete,
                            FCB,
                            FCB->ConnectCallInfo,
                            FCB->ConnectReturnInfo);
+
     if (Status != STATUS_PENDING)
     {
         FCB->DisconnectPending = FALSE;
@@ -704,7 +706,7 @@ RetryDisconnectCompletion(PAFD_FCB FCB)
 {
     ASSERT(FCB->RemoteAddress);
 
-    if (IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]) && FCB->DisconnectPending)
+    if (IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]) && !FCB->SendIrp.InFlightRequest && FCB->DisconnectPending)
     {
         /* Sends are done; fire off a TDI_DISCONNECT request */
         DoDisconnect(FCB);
@@ -769,9 +771,10 @@ AfdDisconnect(PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
         Status = QueueUserModeIrp(FCB, Irp, FUNCTION_DISCONNECT);
         if (Status == STATUS_PENDING)
         {
-            if (IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]) || (FCB->DisconnectFlags & TDI_DISCONNECT_ABORT))
+            if ((IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]) && !FCB->SendIrp.InFlightRequest) ||
+                (FCB->DisconnectFlags & TDI_DISCONNECT_ABORT))
             {
-                /* Go ahead an execute the disconnect because we're ready for it */
+                /* Go ahead and execute the disconnect because we're ready for it */
                 Status = DoDisconnect(FCB);
             }
             

drivers/network/afd/afd/read.c

@@ -30,8 +30,8 @@ static VOID HandleEOFOnIrp(PAFD_FCB FCB, NTSTATUS Status, ULONG_PTR Information)
 {
 	if ((Status == STATUS_SUCCESS && !Information) || (!NT_SUCCESS(Status)))
 	{
-		/* The socket has been closed */
-		FCB->PollState |= AFD_EVENT_CLOSE;
+		/* The socket has been closed by the remote side */
+		FCB->PollState |= AFD_EVENT_ABORT;
 		FCB->PollStatus[FD_CLOSE_BIT] = Status;
 		
 		PollReeval( FCB->DeviceExt, FCB->FileObject );

drivers/network/afd/afd/write.c

@@ -190,7 +190,10 @@ SendComplete
 						  &FCB->SendIrp.Iosb,
 						  SendComplete,
 						  FCB );
-
+    }
+    else
+    {
+        /* Nothing is waiting so try to complete a pending disconnect */
         RetryDisconnectCompletion(FCB);
     }
 
@@ -326,9 +329,28 @@ AfdConnectedSocketWriteData
         return UnlockAndMaybeComplete( FCB, Status, Irp, Information );
     }
 
-    if( !(SendReq = LockRequest(Irp, IrpSp)))
-		return UnlockAndMaybeComplete
-			( FCB, STATUS_NO_MEMORY, Irp, TotalBytesCopied );
+    if (FCB->DisconnectPending && (FCB->DisconnectFlags & TDI_DISCONNECT_RELEASE))
+    {
+        /* We're pending a send shutdown so don't accept anymore sends */
+        return UnlockAndMaybeComplete(FCB, STATUS_FILE_CLOSED, Irp, 0);
+    }
+
+    if (FCB->PollState & (AFD_EVENT_CLOSE | AFD_EVENT_DISCONNECT))
+    {
+        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)))
+		return UnlockAndMaybeComplete(FCB, STATUS_NO_MEMORY, Irp, TotalBytesCopied);
 
     SendReq->BufferArray = LockBuffers( SendReq->BufferArray,
 										SendReq->BufferCount,

drivers/network/afd/include/afd.h

@@ -184,6 +184,7 @@ typedef struct _AFD_FCB {
     UINT ConnSeq;
     USHORT DisconnectFlags;
     BOOLEAN DisconnectPending;
+    LARGE_INTEGER DisconnectTimeout;
     PTRANSPORT_ADDRESS LocalAddress, RemoteAddress;
     PTDI_CONNECTION_INFORMATION AddressFrom, ConnectCallInfo, ConnectReturnInfo;
     AFD_TDI_OBJECT AddressFile, Connection;

drivers/network/tcpip/tcpip/fileobjs.c

@@ -307,9 +307,21 @@ NTSTATUS FileOpenAddress(
                 /* Sanity check */
                 ASSERT(Address->Address[0].Address[0].sin_port == AddrFile->Port);
             }
+            else if (!AddrIsUnspecified(&AddrFile->Address))
+            {
+                / The client is trying to bind to a local address so allocate a port now too 
+                AddrFile->Port = TCPAllocatePort(0);
+          
+                // Check for bind success
+                if (AddrFile->Port == 0xffff)
+                {
+                    ExFreePoolWithTag(AddrFile, ADDR_FILE_TAG);
+                    return STATUS_ADDRESS_ALREADY_EXISTS;
+                }
+            }
             else
             {
-                /* The client wants an unspecified port so we wait to see what the TCP library gives us */
+                /* The client wants an unspecified port with an unspecified address so we wait to see what the TCP library gives us */
                 AddrFile->Port = 0;
             }