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Date: Thu, 13 Sep 2012 09:44:52 +0200
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Subject: Re: [PATCH 6/7] dhcp: add retries limit support
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org

On 09:43 Thu 13 Sep     , Sascha Hauer wrote:
> On Thu, Sep 13, 2012 at 09:38:38AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 09:12 Thu 13 Sep     , Sascha Hauer wrote:
> > > On Wed, Sep 12, 2012 at 04:48:27PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > > via -r opt, global.dhcp.retries or dhcp_retries
> > > > 
> > > > set the priority order;
> > > > 
> > > > This will allow to do not stay infinite loop if no dhcp availlable
> > > 
> > > s/availlable/available/
> > > 
> > > > @@ -746,11 +767,17 @@ static int do_dhcp(int argc, char *argv[])
> > > >  	while (dhcp_state != BOUND) {
> > > >  		if (ctrlc())
> > > >  			break;
> > > > +		if (!retries) {
> > > > +			ret = ETIMEDOUT;
> > > 
> > > -ETIMEDOUT
> > > 
> > > BTW currently we have in most commands:
> > > 
> > > 	return ret ? 1 : 0;
> > > 
> > > This is because the shell interpreted negative values as 'exit'. hush
> > > does not do this anymore, so now we can think about a path to just
> > > return negative error codes from the commands.
> > > 
> > > 
> > > > @@ -785,7 +812,8 @@ BAREBOX_CMD_HELP_OPT  ("-u <client_uuid>",
> > > >  BAREBOX_CMD_HELP_OPT  ("-U <user_class>",
> > > >  "DHCP User class (code 77) submitted in DHCP requests. It can\n"
> > > >  "be used in the DHCP server's configuration to select options\n"
> > > > -"(e.g. bootfile or server) which are valid for barebox clients only.\n");
> > > > +"(e.g. bootfile or server) which are valid for barebox clients only.\n")
> > > > +BAREBOX_CMD_HELP_OPT  ("-r <retry>", "retry limi\n");
> > > 
> > > s/limi/limit/
> > what do you think to put something else than infinite loop by default
> > 
> > I thinnk 20 is enough
> 
> Yes, ok, maybe even less. How long does one retry take?
3s each

so 20 it's 60s

Best Regards,
J.

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