#!/sbin/openrc-run
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License, v2 or later

depend() {
	need net
}

checkconfig() {
	if [ -n "${DISPLAYS}" ]; then
		if [ $1 = "start" ]; then
			local user display xsession
			for user in $DISPLAYS; do
				display=${user##*:}
				display=${display%%,*}
				xsession=${user##*,}
				user=${user%%:*}
				if eval [ ! -f "~${user}/.vnc/passwd" ]; then
					eerror "There are no passwords defined for user ${user}."
					return 1
				elif [ -e "/tmp/.X11-unix/X${display}" ]; then
					eerror "Display :${display} appears to be already in use because of /tmp/.X11-unix/X${display}"
					eerror "Remove this file if there is no X server $HOSTNAME:${user##*:}"
					return 1
				elif [ -e "/tmp/.X${user}-lock" ]; then
					eerror "Display :${user} appears to be already in use because of /tmp/.X${user}-lock"
					eerror "Remove this file if there is no X server $HOSTNAME:${user}"
					return 1
				fi
				if [ -n "${xsession}" ] ; then
					if eval [ ! -x "${xsession}" ]; then
						eerror "Xsession file ${xsession} does not exist or is not executable"
						return 1
					fi
				fi
			done
		fi
		return 0
	else
		eerror 'Please define $DISPLAYS in /etc/conf.d/tigervnc'
		return 1
	fi
}

start() {
	checkconfig start || return 1
	ebegin "Starting TigerVNC server"
	local user display xsession
	for user in $DISPLAYS; do
		display=${user##*:}
		display=${display%%,*}
		xsession=${user##*,}
		user=${user%%:*}

		vncsession ${user} :${display} ${xsession}
	done
	eend $?
}

stop() {
	checkconfig stop || return 2
	ebegin "Stopping TigerVNC server"
	local user display
	for user in $DISPLAYS; do
		display=${user##*:}
		display=${display%%,*}
		start-stop-daemon --stop --pidfile /var/run/vncsession-:${display}.pid
	done
	eend $?
}

restart() {
        svc_stop
        svc_start
}