#! /bin/bash
#
http://forum.eagle-usb.org/viewtopic.php?p=15002#15002
#
http://alainmuchembled.free.fr/adsld
# Author : alainmuchembled at free dot fr aka JM jm at jm10 dot no-ip dot com
# licence : GPL
# location : /etc/rcS.d/S99adsld -> /etc/init.d/adsld
usage() { echo "Usage: $0 {start|stop|restart}"; }
PATH=/bin:/usr/local/sbin:/usr/bin:/sbin
pid=/var/run/adsld.pid
if [ -r $pid ]
then case $1 in
- set `< $pid`; rm $pid; pkill -P $1 sleep;;
- pkill -P `< $pid` sleep;;
- echo "$0 already running";;*) usage
esac
else case $1 in
stop|restart) echo "$0 not running";;
(
diag() {
for cmd in 'sort /proc/net/ip_conntrack' \
'netstat -anp' \
'ps f -eo user,group,pmem,bsdstart,time,nice,pcpu,pid,command' \
eaglestat \
w \
'route -n' \
'tail /var/log/kern.log'
do echo "# $cmd"; $cmd; echo
done | mail root -s "Can't ping $i - $1..."
}
pause() { sleep $1m; set $?; [ -r $pid ] || exit; return $1; }
while :; do
while ! i=`eaglectrl -i`
do pause 1
done
if eaglestat | grep operational; then
startadsl
i=$(route -n | sed -n "s/^0\.0\.0\.0 \+\([^ ]\+\).\+$i\$/\1/p")
while pause 8; do
ping -c 1 $i && continue
diag 'ping failed'
pause 1 || break
ping -c 1 $i && continue
pause 1 || break
ping -c 1 $i && continue
diag 'rebooting modem'
break
done
stopadsl
fi
eaglectrl -w
done) &> /dev/null & echo -n $! > $pid;;
*) usage;;
esac
fi
