#! /bin/sh
### BEGIN INIT INFO
# Provides:          orthanc
# Required-Start:    $local_fs $remote_fs $network $syslog
# Required-Stop:     $local_fs $remote_fs $network $syslog
# Should-Start:      postgresql mysql
# Should-Stop:       postgresql mysql
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Orthanc init script
# Description:       Orthanc - Lightweight, RESTful Vendor Neutral Archive
### END INIT INFO

# Author: Sebastien Jodogne <s.jodogne@gmail.com>

# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin

# You can modify the variables below
DESC="Orthanc"
NAME=Orthanc

# Constants
DAEMON=/usr/sbin/Orthanc
LOGDIR=/var/log/orthanc
DAEMON_ARGS="--logdir=${LOGDIR} /etc/orthanc/"
PIDFILE=/run/orthanc.pid
SCRIPTNAME=/etc/init.d/orthanc
ORTHANC_USER=orthanc:orthanc

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
    # Prepare a directory to store the Orthanc logs
    mkdir -p $LOGDIR
    chown $ORTHANC_USER $LOGDIR

    # Return
    #   0 if daemon has been started
    #   1 if daemon was already running
    #   2 if daemon could not be started

    start-stop-daemon --start --quiet --pidfile $PIDFILE --chuid $ORTHANC_USER --background --exec $DAEMON --test > /dev/null \
	|| return 1

    start-stop-daemon --start --quiet --make-pidfile --pidfile $PIDFILE --chuid $ORTHANC_USER --background --exec $DAEMON -- $DAEMON_ARGS \
	|| return 2

    # Add code here, if necessary, that waits for the process to be ready
    # to handle requests from services started subsequently which depend
    # on this one.  As a last resort, sleep for some time.
}

#
# Function that stops the daemon/service
#
do_stop()
{
    # Return
    #   0 if daemon has been stopped
    #   1 if daemon was already stopped
    #   2 if daemon could not be stopped
    #   other if a failure occurred
    start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --chuid $ORTHANC_USER --name $NAME
    RETVAL="$?"
    [ "$RETVAL" = 2 ] && return 2

    # Wait for children to finish too if this is a daemon that forks
    # and if the daemon is only ever run from this initscript.
    # If the above conditions are not satisfied then add some other code
    # that waits for the process to drop all resources that could be
    # needed by services started subsequently.  A last resort is to
    # sleep for some time.
    start-stop-daemon --stop --quiet --oknodo --retry=0/1/KILL/5 --chuid $ORTHANC_USER --exec $DAEMON
    [ "$?" = 2 ] && return 2
    # Many daemons don't delete their pidfiles when they exit.
    rm -f $PIDFILE
    return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
    #
    # If the daemon can reload its configuration without
    # restarting (for example, when it is sent a SIGHUP),
    # then implement that here.
    #
    start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --chuid $ORTHANC_USER --name $NAME
    return 0
}

case "$1" in
    start)
	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
	do_start
	case "$?" in
	    0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
	    2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
    stop)
	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
	do_stop
	case "$?" in
	    0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
	    2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
    status)
	status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
	;;
    #reload|force-reload)
    #
    # If do_reload() is not implemented then leave this commented out
    # and leave 'force-reload' as an alias for 'restart'.
    #
    #log_daemon_msg "Reloading $DESC" "$NAME"
    #do_reload
    #log_end_msg $?
    #;;
    restart|force-reload)
	#
	# If the "reload" option is implemented then remove the
	# 'force-reload' alias
	#
	log_daemon_msg "Restarting $DESC" "$NAME"
	do_stop
	case "$?" in
	    0|1)
		do_start
		case "$?" in
		    0) log_end_msg 0 ;;
		    1) log_end_msg 1 ;; # Old process is still running
		    *) log_end_msg 1 ;; # Failed to start
		esac
		;;
	    *)
	  	# Failed to stop
		log_end_msg 1
		;;
	esac
	;;
    *)
	#echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
	echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
	exit 3
	;;
esac

:
