[Bug 727488] New: There is a race when disconnecting POST channel in tunneled mode

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=727488
  GStreamer | gst-rtsp-server | git

           Summary: There is a race when disconnecting POST channel in
                    tunneled mode
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-rtsp-server
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: ognyan.tonchev at axis.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Right now there is a race when disconnecting POST channel in tunneled mode and
sometimes it is not possible to create new POST connection afterwards.

After tunnel setup the first client owns the POST and the GET connections and
the second client will be freed. But before it is freed its RTSP Watch will get
dispatched and call the closed() callback. From closed() the server tries to
remove the tunnelid from the hash table with the pending tunnels. And that is a
problem if the POST was already disconnected and the tunnel marked as pending.

I think that the client which got the POST connection should never touch the
hash table with the pending tunnels. It is a responsibility of the client
owning the tunnel to do that.

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