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wolf-service
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wolf-service
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#!/bin/bash
### BEGIN INIT INFO
# Provides: WoLf As A Service
# Required-Start: $local_fs $network $syslog
# Required-Stop: $local_fs $network $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: WoLf App Service
# Description: WoLf App Service Daemon
### END INIT INFO
NAME="WoLf"
PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin"
APPDIR="/"
APPBIN="/var/wolf/wolf"
APPARGS=""
USER="root"
GROUP="root"
# Include functions
set -e
. /lib/lsb/init-functions
start() {
printf "Starting '$NAME'... "
start-stop-daemon --start --chuid "$USER:$GROUP" --background --make-pidfile --pidfile /var/run/$NAME.pid --chdir "$APPDIR" --exec "$APPBIN" -- $APPARGS || true
printf "done\n"
}
#We need this function to ensure the whole process tree will be killed
killtree() {
local _pid=$1
local _sig=${2-TERM}
for _child in $(ps -o pid --no-headers --ppid ${_pid}); do
killtree ${_child} ${_sig}
done
kill -${_sig} ${_pid}
}
stop() {
printf "Stopping '$NAME'... "
[ -z `cat /var/run/$NAME.pid 2>/dev/null` ] || \
while test -d /proc/$(cat /var/run/$NAME.pid); do
killtree $(cat /var/run/$NAME.pid) 15
sleep 0.5
done
[ -z `cat /var/run/$NAME.pid 2>/dev/null` ] || rm /var/run/$NAME.pid
printf "done\n"
}
status() {
status_of_proc -p /var/run/$NAME.pid "" $NAME && exit 0 || exit $?
}
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
stop
start
;;
status)
status
;;
*)
echo "Usage: $NAME {start|stop|restart|status}" >&2
exit 1
;;
esac
exit 0