Re: [Qemu-devel] [PATCH 2/7] qemu-char: Allow a chardev to reconnect if disconnected

["Michael S. Tsirkin" <mst@redhat.com>]

On Thu, Mar 06, 2014 at 11:18:00AM -0600, Corey Minyard wrote:
> On 03/06/2014 12:47 AM, Weidong Huang wrote:
> >  escape sequences.
> >  
> > +@option{reconnect} specifies that if the client socket does not connect at
> > +startup, or if the client socket is closed for some reason (like the other
> > +end exited), wait the given number of seconds and attempt to reconnect.
> > +
> >  TCP and unix socket options are given below:
> >  
> >  @table @option
> > The client will reconnect for ever when the server is dead. Is it better that try to reconnect several times?
> > Or add a option which specifies times of reconnect?
> >
> I'm not really sure about this.  For a remote IPMI BMC, you would want
> it to reconnect for forever, there's no point it having it stop trying
> after a while, since you want it to come back even if the BMC is down
> for a day.  I would think the same if you wanted a remote console or
> something of that nature.
> 
> What's the use case where you would want it to stop trying?  I can't
> think of any.
> 
> Thanks,
> 
> -corey

Depends on what happens after it fails.
Imagine whoever was using the socket is gone.
It might be useful to stop VM or exit
after a while rather than just hang about.

-- 
MST