#!/bin/sh
CLIARGS="$*" # Grab any args passed to safe_asterisk
TTY=9 # TTY (if you want one) for Asterisk to run on
CONSOLE=yes # Whether or not you want a console
NOTIFY=administrator@mycompany.com # Who to notify about crashes
DUMPDROP=/tmp
#
# Don't fork when running "safely"
#
ASTARGS=""
if [ "$TTY" != "" ]; then
if [ -c /dev/tty${TTY} ]; then
TTY=tty${TTY}
elif [ -c /dev/vc/${TTY} ]; then
TTY=vc/${TTY}
else
echo "Cannot find your TTY (${TTY})" >&2
exit 1
fi
ASTARGS="${ASTARGS} -vvvg"
if [ "$CONSOLE" != "no" ]; then
ASTARGS="${ASTARGS} -c"
fi
if [ ! -w ${DUMPDROP} ]; then
echo "Cannot write to ${DUMPDROP}" >&2
exit 1
fi

#
# Let Asterisk dump core
#
ulimit -c unlimited

#launch_asterisk()
#{
#}

run_asterisk()
{
while :; do

if [ "$TTY" != "" ]; then
cd /tmp
stty sane < /dev/${TTY}
asterisk ${CLIARGS} ${ASTARGS} >& /dev/${TTY} < /dev/${TTY}
else
cd /tmp
asterisk ${CLIARGS} ${ASTARGS}
fi
EXITSTATUS=$?
echo "Asterisk ended with exit status $EXITSTATUS"
if [ "$EXITSTATUS" = "0" ]; then
# Properly shutdown....
echo "Asterisk shutdown normally."
exit 0
elif [ $EXITSTATUS -gt 128 ]; then
let EXITSIGNAL=EXITSTATUS-128
echo "Asterisk exited on signal $EXITSIGNAL."
if [ "$NOTIFY" != "" ]; then
echo "Asterisk exited on signal $EXITSIGNAL. Might want to take a peek." | \
mail -s "Asterisk Died" $NOTIFY
fi
if [ -f /tmp/core ]; then
mv /tmp/core ${DUMPDROP}/core.`hostname`-`date -Iseconds` &
fi
else
if [ "${EXITSTATUS}" = "0" ]; then
echo "Asterisk ended normally. Aborting."
exit 0
else
echo "Asterisk died with code $EXITSTATUS."
if [ -f /tmp/core ]; then
mv /tmp/core ${DUMPDROP}/core.`hostname`-`date -Iseconds` &
fi
fi
fi
echo "Automatically restarting Asterisk."
sleep 4
done
}

run_asterisk &