Nick Ross wrote:
I'd try 'utsession -p -x', you'll find all the information there in an
easy-to-parse format. The only drawback is that it requires root privileges to
run.
No, it has a much bigger drawback. It also does a utauthd callback, so
is expensive and impacts a critical system service, plus it does a lot
more work than is required for a single token lookup since it's
reporting status for all sessions. This is particularly significant in
Kiosk startup scripts, since when a FOG comes online (e.g. after a
network outage) a lot of DTUs may connect at once and attempt to run
Kiosk startup scripts simultaneously. utauthd can become a significant
bottleneck in this case if you rely on commands that do utauthd
callbacks in your scripts - utauthd's primary responsibility is
connecting DTUs to sessions. Generally speaking, any command that
reports "connected" status for DTUs is doing utauthd callbacks. This
includes utsession -p, utwho -c, utuser -c, and utdesktop -c.
utuser -p is the way to go here.
-Bob
Best Regards,
Nick Ross
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Bob Doolittle
Sent: Wednesday, March 11, 2009 10:47 AM
To: SunRay-Users mailing list
Subject: Re: [SunRay-Users] Finding out which DTU or token I'm using
utuser -p is much better than utdesktop -lc or utwho -c, both of which
involve callbacks to utauthd.
utuser -p is cheaper since it's a simple SRDS lookup.
-Bob
Ceri Davies wrote:
We're running SRSS4.1 with kiosk sessions and cards, the type of kiosk
session being selected from the card token.
When a kiosk session runs, SUN_SUNRAY_TOKEN is set to something like
user.1231424265-2914. I'd like to tie that back to the DTU that the
session is on, plus the card that is inserted.
Currently, the best I can do is to get the card token into $CARD_TOKEN
from:
utuser -p $SUN_SUNRAY_TOKEN | tail -2 | awk '/./ {print $1}'
or:
utwho -c | awk "/$SUN_SUNRAY_TOKEN/ {print \$5}" | sed s/P*./pseudo/
which I'm going to assume isn't all that safe, then go back through:
utdesktop -lc | awk "/$CARD_TOKEN/ {print \$1}"
for the desktop id.
None of the other ways that I've seen (abuse of UTDEVROOT, "utuser -p
$SUN_SUNRAY_TOKEN", etc.) seem to work.
Did I miss something, or is this just the only way now?
Cheers,
Ceri
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