[X2Go-Dev] Mac Client status

John A. Sullivan III jsullivan at opensourcedevel.com
Tue Mar 6 23:00:35 CET 2012


On Tue, 2012-03-06 at 22:55 +0100, Mike Gabriel wrote:
> Hi guys,
> 
> On Di 06 Mär 2012 18:48:12 CET "John A. Sullivan III" wrote:
> 
> > On Tue, 2012-03-06 at 18:21 +0100, Mihai Moldovan wrote:
> >> - sometimes, I have to resume a session, restart the client,  
> >> suspend the session
> >> and resume it again for it to be usable (first time resuming will  
> >> just close the
> >> connection to the server), BUT IIRC this happens on Linux, too, so I can't
> >> actually blame the OS X part... (plus, it only happens sometimes. :()
> 
> > <snip>
> > I have noticed that problem in Linux.  I think it is an SSH timing
> > issue.  The connecting, suspending, reconnecting is not actually doing
> > anything, I believe, except functioning as a rudimentary clock.  If one
> > just waits five minutes after being abruptly disconnected, all
> > reconnects fine :( - John
> 
> When writing the connection/tunneling code of python-x2go I observed  
> something similar. The problem with port forwarding requests (both  
> reverse or non-reverse) is a situation when (after suspend) the ports  
> do no get closed properly. We always have to make sure to properly  
> cancel port forwarding requests before we disconnect from a SSH session.
<snip>
So how should we respond if the network connection is broken uncleanly,
e.g., the WAN or Internet connection drops or the client computer
crashes?




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