#!/bin/sh

DAEMON=lcd4linux
DAEMON_CHECK=lcd4linux
DAEMON_LONG_NAME=LCD4linux
. /etc/init.d/modlibrc

HTTPD_PID_LCD=/var/run/httpd_lcd.pid

config() {
	local SUBDAEMON=lcd
	modlib_config httpd-$SUBDAEMON /mod/etc/httpd-${SUBDAEMON}.conf
}

stop_status() {
	kill -9 "$(cat $HTTPD_PID_LCD 2>/dev/null)" 2>/dev/null
	[ -x /mod/etc/init.d/rc.inetd ] && /mod/etc/init.d/rc.inetd config lcd4linux >/dev/null
	modunreg status $DAEMON stats
}

start() {
	stop_status
	if [ "$LCD4LINUX_OUTPUT" == "yes" -a "$LCD4LINUX_WEBENABLED" = "yes" -a "$LCD4LINUX_WEB_INETD" != "yes" ]; then
		webcfg-lcd -P $HTTPD_PID_LCD
	fi
	if [ "$LCD4LINUX_OUTPUT" == "yes" ]; then
		rm -f /tmp/lcd4linux.png
		[ "$LCD4LINUX_OUTFILE" != "/tmp/lcd4linux.png" ] && ln -s "$LCD4LINUX_OUTFILE" "/tmp/lcd4linux.png"
		OUTPUT="-o $LCD4LINUX_OUTFILE"
	fi
	modlib_startdaemon $(which nice) "$(which $DAEMON_BIN)" $OUTPUT $LCD4LINUX_CMDLINE
	[ -x /mod/etc/init.d/rc.inetd ] && //mod/etc/init.d/rc.inetd config $DAEMON
	[ "$LCD4LINUX_OUTPUT" == "yes" -a "$LCD4LINUX_STATUSPAGE" = "yes" ] && modreg status $DAEMON $DAEMON_LONG_NAME stats
}

stop() {
	stop_status
	killall $DAEMON_BIN 2>/dev/null
	local c=0
	while [ -n "$(pidof $DAEMON_BIN)" -a $c -lt 9 ]; do
		let c++
		sleep 1
	done
	[ -z "$(pidof $DAEMON_BIN)" ] || killall -9 $DAEMON_BIN 2>/dev/null
}

case $1 in
	config)
		config
		;;
	""|load)
		modlib_add_httpd_symlink lcd
		modlib_defaults
		[ ! -e "/tmp/flash/$DAEMON/$DAEMON.conf" ] && sed "s/^Display *'.*/Display 'Image'/" /etc/default.$DAEMON/$DAEMON.conf > /etc/$DAEMON.conf
		chmod 600 /etc/$DAEMON.conf

		modreg file $DAEMON lcd4linux_conf 'lcd4linux.conf' 1 lcd4linux_conf
		modreg file $DAEMON lcd4linux_list 'Displays' 2 lcd4linux_list
		modreg cgi $DAEMON $DAEMON_LONG_NAME
		modreg daemon $DAEMON

		modlib_start $LCD4LINUX_ENABLED
		;;
	unload)
		modunreg daemon $DAEMON
		modunreg cgi $DAEMON
		modunreg file $DAEMON
		modlib_stop
		;;
	start)
		modlib_start
		;;
	stop)
		modlib_stop
		;;
	restart)
		modlib_restart
		;;
	status)
		modlib_status
		;;
	status_webcfg-lcd)
		if [ "$LCD4LINUX_OUTPUT" != "yes" -o "$LCD4LINUX_WEBENABLED" == "no" ]; then
			echo 'stopped'
		else
			[ "$LCD4LINUX_WEB_INETD" = "yes" -a "$(modlib_status)" == "running" ] && echo 'inetd' || modlib_status
		fi
		;;
	*)
		echo "Usage: $0 [load|unload|start|stop|restart|status|config]" 1>&2
		exit 1
		;;
esac

exit 0