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Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U


From: Eric S. Raymond
Subject: Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U
Date: Thu, 12 Mar 2015 14:05:36 -0400
User-agent: Mutt/1.5.23 (2014-03-12)

Gary E. Miller <address@hidden>:
> > Another question is whether this means cgps's timeout should be
> > removed.
> 
> I too find the current bahavior annoying, especially on startup while
> doing the long wait for autobaud.  But I think timeouts should be
> reserved for loss of connection to the server.  Two minutes is about
> right, like any other TCP timeout.

Reasonable.  Feel free to do it.
 
> I've been wondering if gpsd should send a keepalive if no other data to send.
> Maybe every 10 seconds?  Maybe the keepalive could also mention what
> devices are in use by gpsd?

That'd be a DEVICES notification.  Pretty easy to do.

Five years ago I would have said "Good idea!". Nowadays, though, most of our
deployment is on limited-power devices.  I think the systems integrators
would be unhappy if we increased power usage like that.
-- 
                <a href="http://www.catb.org/~esr/";>Eric S. Raymond</a>

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