[cgutman] 59706: [LWIP] - Ensure that the connection failure gets delivered if the socket is not yet ready to receive or has shutdown receive

Author: cgutman
Date: Mon Aug 12 04:08:20 2013
New Revision: 59706

URL: http://svn.reactos.org/svn/reactos?rev=59706&view=rev
Log:
[LWIP]
- Ensure that the connection failure gets delivered if the socket is not yet ready to receive or has shutdown receive

Modified:
    trunk/reactos/lib/drivers/ip/transport/tcp/event.c
    trunk/reactos/lib/drivers/lwip/src/rostcp.c

Modified: trunk/reactos/lib/drivers/ip/transport/tcp/event.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/ip/transport/tc...
==============================================================================
--- trunk/reactos/lib/drivers/ip/transport/tcp/event.c	[iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/ip/transport/tcp/event.c	[iso-8859-1] Mon Aug 12 04:08:20 2013
@@ -264,11 +264,9 @@
    const NTSTATUS Status = TCPTranslateError(err);
    KIRQL OldIrql;

+   ASSERT(Connection->SocketContext == NULL);
    ASSERT(Connection->AddressFile);
    ASSERT(err != ERR_OK);
-
-   /* First off all, remove the PCB pointer */
-   Connection->SocketContext = NULL;

/* Complete all outstanding requests now */
    FlushAllQueues(Connection, Status);

Modified: trunk/reactos/lib/drivers/lwip/src/rostcp.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/lwip/src/rostcp...
==============================================================================
--- trunk/reactos/lib/drivers/lwip/src/rostcp.c	[iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/lwip/src/rostcp.c	[iso-8859-1] Mon Aug 12 04:08:20 2013
@@ -251,10 +251,13 @@
         {
             Connection->SocketContext = NULL;
             tcp_arg(pcb, NULL);
+            TCPFinEventHandler(Connection, ERR_OK);
         }
-
-        /* Remotely initiated close */
-        TCPRecvEventHandler(arg);
+        else
+        {
+            /* Remotely initiated close */
+            TCPRecvEventHandler(arg);
+        }
     }

return ERR_OK;
@@ -299,16 +302,18 @@
     PCONNECTION_ENDPOINT Connection = arg;

/* Make sure the socket didn't get closed */
-    if (!arg) return;
+    if (!arg || Connection->SocketContext == NULL) return;

/* The PCB is dead now */
     Connection->SocketContext = NULL;

-    /* Defer the error delivery until all data is gone */
+    /* Give them one shot to receive the remaining data */
     Connection->ReceiveShutdown = TRUE;
     Connection->ReceiveShutdownStatus = TCPTranslateError(err);
-
-    TCPRecvEventHandler(arg);
+    TCPRecvEventHandler(Connection);
+
+    /* Terminate the connection */
+    TCPFinEventHandler(Connection, err);
 }

static
@@ -663,6 +668,7 @@
             /* The PCB is not ours anymore */
             msg->Input.Shutdown.Connection->SocketContext = NULL;
             tcp_arg(pcb, NULL);
+            TCPFinEventHandler(msg->Input.Shutdown.Connection, ERR_CLSD);
         }
     }

@@ -724,8 +730,6 @@
     /* Check if the PCB was already "closed" but the client doesn't know it yet */
     if (!msg->Input.Close.Connection->SocketContext)
     {
-        if (msg->Input.Close.Callback)
-            TCPFinEventHandler(msg->Input.Close.Connection, ERR_CLSD);
         msg->Output.Close.Error = ERR_OK;
         goto done;
     }