3 # Copyright (C) 1999-2000,2003 Ian Jackson
5 # This file is part dyndns, part of userv-utils
7 # This is free software; you can redistribute it and/or modify it
8 # under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with userv-utils; if not, write to the Free Software
19 # Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
36 *) files=$subdomain ;;
39 if test -f $files,timings && read lastup charge <$files,timings
41 if [ $now -lt $[ $lastup + $interval_min ] ]; then
42 echo "wait $[ $lastup + $interval_min - $now ]"
43 echo >&2 "must wait at least $interval_min between updates"
46 charge=$[ $charge + $interval_avg - ($now - $lastup) ]
47 if [ $charge -gt $interval_mem ]; then
48 echo "wait $[ $charge - $interval_mem ]"
49 echo >&2 "must wait on average $interval_avg between updates"
52 if [ $charge -lt 0 ]; then charge=0; fi
57 if test -f $files,data
60 diff >/dev/null $files,data $files,new
64 if [ $diff = 0 ]; then echo 'unchanged'; exit 0; fi
65 if [ $diff != 1 ]; then exit 1; fi
68 echo $now $charge >$files,timings.new
69 mv -f $files,timings.new $files,timings
70 mv $files,new $files,data
72 exec /usr/share/userv/dyndns/install $zone