Re: RFA: auto-retry TCP connections for "target remote"

[Joel Brobecker <brobecker at adacore dot com>]

> That's where it was suggested to me that I put it.  I'm actually pretty 
> confused by the organization of the remote configuration commands; some of 
> them are "set remote foo", while others are "set remotebar", and there's 
> also "set serial" documented as being for "serial/parallel port 
> configuration".  If there's a plan to all this, I don't know what it is.  
> :-(

Unfortunately, neither do I, because I haven't used the remote target
much in the past.

> >I wonder if it wouldn't be both simpler and more general to do everything
> >at the remote.c level.Something like replacing the call to serial_open ()
> >by a loop that calls serial_open a few times until we either succeed or
> >exceed the number of retries. What do others think? 
> >
> >>+set remote auto-retry (on|off)
> >>+show remote auto-retry
> >
> >Rather than having an on-off setting, can we have a setting that
> >allows us to configure the maximum number of retries. If set to zero,
> >then it's equivalent to "auto-retry off".
> 
> I'm willing to try to re-work the patch if there's agreement this would be 
> a better approach.  My main concern is that there are some kinds of 
> connection failures that really ought to be treated as immediately and 
> permanently fatal; for instance, if the process launched by "target remote 
> |" fails to start (because the command line was given incorrectly, etc), or 
> the named serial device doesn't exist or has permission problems.  Maybe 
> serial_open ought to explicitly set a status code to indicate a retry-able 
> failure, with the default that failures are fatal?

Sounds like a good idea to me.

-- 
Joel