#!/bin/sh
# Init script for ELOG.
# Copyright © 2003, 2005  Recai Oktaş <roktas@omu.edu.tr>
#
# Additional changes by Thomas Ribbrock <emgaron@ribbrock.org>
# - 2008-11-27: Added better reload functionality, based on suggestion and
#   code from Yoshio Imai as posted in elog forum
#
# Licensed under the GNU General Public License, version 2.
# See the file `http://www.gnu.org/copyleft/gpl.txt'.

PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/elogd
NAME=elogd
DESC="ELOG daemon"

test -f $DAEMON || exit 0

set -e

# Admin should be able to lock some options.
if [ -f /etc/default/elog ]; then
	. /etc/default/elog
fi

# To be in the safe side, the followings should be always defined.
PIDFILE=${PIDFILE:-/var/run/$NAME.pid}
CONFFILE=${CONFFILE:-/etc/elog.conf}

# Add the options to argument list only if defined previously.  Since
# some options may also be present in the conffile, we couldn't preset
# those options which would otherwise overwrite the settings in the
# conffile.  Also note that, all have reasonable compiled-in defaults.
ARGS="${PIDFILE+"-f $PIDFILE"}         \
      ${CONFFILE+"-c $CONFFILE"}       \
      ${LOGBOOKDIR+"-d $LOGBOOKDIR"}   \
      ${RESOURCEDIR+"-s $RESOURCEDIR"} \
      ${PORT+"-p $PORT"}               \
      ${HOST+"-n $HOST"}               \
      ${VERBOSE+"-v"}"
      
# Always run as a daemon.
ARGS=`echo $ARGS -D`

case "$1" in
	start)
		echo -n "Starting $DESC: "
		start-stop-daemon --start --quiet --pidfile $PIDFILE \
			--exec $DAEMON -- $ARGS 2>&1
		sleep 1
		if [ -f "$PIDFILE" ] && ps h `cat "$PIDFILE"` >/dev/null; then
			echo "$NAME."
		else
			echo "$NAME failed to start; check syslog for diagnostics."
			exit 1
		fi
		;;
	stop)
		echo -n "Stopping $DESC: $NAME"
		start-stop-daemon --oknodo --stop --quiet --pidfile $PIDFILE \
			--exec $DAEMON -- $ARGS 2>&1
		echo "."
		;;
	reload)
		# Send HUP signal to reload config file
		# (Only needed if config is edited manually and not via
		# webinterface)
		if [ -f $PIDFILE ]; then
			echo -n "$DESC to reread config file ... "
			kill -HUP `cat "$PIDFILE"`
			echo "done"
		else
			echo "No $PIDFILE found!"
		fi
		;;
	restart|force-reload)
		$0 stop
		sleep 1
		$0 start
		if [ "$?" != "0" ]; then
			exit 1
		fi
		;;
	*)
		N=/etc/init.d/$NAME
		echo "Usage: $N {start|stop|restart|reload|force-reload}" >&2
		exit 1
		;;
esac

exit 0

# vim:ai:sts=8:sw=8: