[ALUG] What's a fast way to check for something on LAN?

Chris Green cl at isbd.net
Wed Feb 22 16:43:24 GMT 2017


On Wed, Feb 22, 2017 at 03:50:16PM +0000, steve-ALUG at hst.me.uk wrote:
> On 22/02/17 15:25, Chris Green wrote:
> > On Wed, Feb 22, 2017 at 02:22:17PM +0000, Laurie Brown wrote:
> > You've illustrated my problem perfectly! That 3 seconds delay is the
> > same delay I see using my original ping method.
> > 
> > I need to find out, fast, if 192.168.0.104 isn't on the LAN I'm
> > connected to.  To do this I have to run your second case above which
> > takes, like my ping, 3 seconds to execute.
> > 
> > [SNIP]
> > Makes no difference at all.  The hostIsLocal command will take 3
> > seconds to fail when it's not local and I'm no better off.
> > 
> 
> Why is a 3 second delay a problem?
> 
Because I get fed up waiting!  :-)  It's not a disaster by any means,
just annoying.

-- 
Chris Green



More information about the main mailing list