#!/bin/sh -

# [ SysVinit with chkconfig ]
#       Place this file into /etc/rc.d/init.d/distant-web0
#       and run chkconfig --add distant-web0
# chkconfig: 2345 99 01
# description: Distant Service for web0

# [ FreeBSD ]
#       Place this file into /usr/local/etc/rc.d/distant-web0
#       and add 'distantt-web0_enable="YES"' in /etc/rc.conf.
name=distant-web0

CONTROL='http://distant.pkgs.at/demo/control'
SERVER='web0'
GROUP='distant'
USER='distant'
DIRECTORY="/home/${USER}/${SERVER}"

JAVA_PATH="/home/${USER}/bin:/usr/local/bin:/usr/bin:/bin"
JAVA_OPTS=''
JARFILE='/usr/local/share/java/at.pkgs.distant.jar'
PIDFILE="/var/run/distant-${SERVER}"

start() {
	(
		trap 'rm ${PIDFILE}; [ ${WORKER} -gt 0 ] && kill ${WORKER}' 0
		ARGS="${JAVA_OPTS} -jar ${JARFILE}"
		ARGS="${ARGS} --group=${GROUP}"
		ARGS="${ARGS} --user=${USER}"
		ARGS="${ARGS} --directory=${DIRECTORY}"
		ARGS="${ARGS} ${CONTROL} ${SERVER}"
		while :; do
			PATH="${JAVA_PATH}" java ${ARGS} &
			WORKER=$!
			if wait "${WORKER}"; then
				continue
			else
				WORKER=0
				break
			fi
		done
	) &
	echo $! > ${PIDFILE}
}

stop() {
	if [ -e "${PIDFILE}" ] && kill $(cat "${PIDFILE}"); then
		return 0
	else
		return 1
	fi
}

status() {
	if [ -e "${PIDFILE}" ] && kill -0 $(cat "${PIDFILE}"); then
		echo "distant-${SERVER} running."
		return 0
	else
		echo "distant-${SERVER} stopped."
		return 1
	fi
}

case "$1" in
start)
	start
	;;
stop)
	stop
	;;
status)
	status
	;;
restart)
	stop
	start
	;;
*)
	echo "Usage: $(basename $0) {start|stop|status|restart}"
	exit 1
	;;
esac

exit $?