#!/bin/sh

### BEGIN INIT INFO
# Provides:          vnc-ecdemo
# Required-Start:    networking
# Required-Stop:     
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: VNC for EcdemoConnect project
# Description:	     Starts a VNC session at :5 to manage EuropeanaConnect server
#		     for shared interactive management
### END INIT INFO

set -e

DAEMON=/srv/ecdemo/bin/server
VNC_ENABLE=true
VNC_DISPLAY=5
VNC_DEFAULTS_FILE=/etc/default/vnc
VNC_CONFIG_FILE=/etc/vnc.conf
VNC_USER=ecdemo

test -x $DAEMON || exit 0

. /lib/lsb/init-functions
. /etc/default/rcS

if [ -s $VNC_DEFAULTS_FILE ]; then
    . $VNC_DEFAULTS_FILE
    case "x$VNC_ENABLE" in
        xtrue|xfalse)   ;;
        *)              log_failure_msg "Value of VNC_ENABLE in $VNC_DEFAULTS_FILE must be either 'true' or 'false';"
                        log_failure_msg "not starting $VNC_USER daemon."
                        exit 1
                        ;;
    esac
fi

check()
{ /usr/local/bin/lsvnc | grep -qw $VNC_USER
}

case "$1" in
    start)
        if "$VNC_ENABLE"; then
	    log_daemon_msg "Starting $VNC_USER server"
	    if check; then
		log_daemon_msg "$VNC_USER server is already running."
		log_end_msg 1
		exit
	    fi
	    rm -f /tmp/.X11-unix/X$VNC_DISPLAY
	    su $VNC_USER -c "cd /srv/$VNC_USER && bin/server :$VNC_DISPLAY"
	    log_end_msg $?
	fi
	;;
    stop)
	log_daemon_msg "Shutting down $VNC_USER server"
	su $VNC_USER -c "vncserver -kill :$VNC_DISPLAY"
	log_end_msg $?
	;;
    try-restart)
        $0 status >/dev/null && $0 restart
        log_end_msg 0
        ;;
    restart)
        $0 stop
        $0 start
        log_end_msg 0
        ;;
    reload|force-reload)
	$0 restart
	;;
    status)
        log_daemon_msg "Checking for $VNC_USER server: "
	if check; then
	   log_daemon_msg "running"
	else
	   log_daemon_msg "not running"
	fi
	log_end_msg 0
	;;
    *)
	echo "Usage: $0 {start|stop|try-restart|restart|reload|force-reload|status}"
	exit 1
	;;
esac