avahi-alias.init

#!/bin/sh
### BEGIN INIT INFO
# Provides:			avahi-alias
# Required-Start:	$remote_fs
# Required-Stop:	 $remote_fs
# Should-Start:		 $syslog avahi-daemon
# Should-Stop:		 $syslog
# Default-Start:	 2 3 4 5
# Default-Stop:		0 1 6
# Short-Description: Avahi mDNS/DNS-SD CNAME Daemon
# Description:		 Zeroconf daemon for configuring cnames through DNS-SD automatically
### END INIT INFO

#set -e

PATH=/sbin:/bin:/usr/sbin:/usr/bin
DESC="Avahi mDNS/DNS-SD CNAME Daemon"
NAME="avahi-alias"
DAEMON="/usr/sbin/$NAME"
SCRIPTNAME=/etc/init.d/$NAME
PIDFILE="/var/run/${NAME}.pid"

# Gracefully exit if the package has been removed.
test -x $DAEMON || exit 0

. /lib/lsb/init-functions

# Include avahi-daemon defaults if available.
test -f /etc/default/avahi-daemon && . /etc/default/avahi-daemon

DISABLE_TAG="/var/run/avahi-daemon/disabled-for-unicast-local"

#
#		 Function that starts the daemon/service.
#
d_start() {
	if [ -e $DISABLE_TAG -a "$AVAHI_DAEMON_DETECT_LOCAL" != "0" ]; then 
		# Disabled because of the existance of an unicast .local domain
		log_warning_msg "avahi-daemon disabled because there is a unicast .local domain"
		exit 0;
	fi;

	start-stop-daemon --start --pidfile $PIDFILE --exec $DAEMON \
		--chuid avahi --group avahi --chdir /etc/avahi/services \
		--background --make-pidfile
	return $?
}

#
#		 Function that stops the daemon/service.
#
d_stop() {
	start-stop-daemon --stop --pidfile $PIDFILE
	return $?
}

#
#		 Function that check the status of the daemon/service.
#
d_status() {
	if [ -f "$PIDFILE" ]; then
		PID=`cat $PIDFILE`
		if ps -fp "$PID" | grep -q "$PID"; then
			[ "$ACTION" = "status" ] && echo "$DESC is running with PID $PID."
			RETVAL=0
		else
			[ "$ACTION" = "status" ] && echo "Found PID file for $DESC, but process is NOT running."
			RETVAL=2
		fi
	else
		[ "$ACTION" = "status" ] && echo "$DESC is NOT running."
		RETVAL=1
	fi
	return $RETVAL
}

ACTION="$1"
case "$1" in
	start)
		log_daemon_msg "Starting $DESC" "$NAME"
		d_start
		log_end_msg $?
		;;
	stop)
		log_daemon_msg "Stopping $DESC" "$NAME"
		d_stop
		log_end_msg $?
		;;
	restart)
		log_daemon_msg "Restarting $DESC" "$NAME"
		$DAEMON -c && d_stop
		d_start
		log_end_msg $?
		;;
	status)
		d_status
	;;
	*)
		echo "Usage: $SCRIPTNAME {start|stop|restart|status}" >&2
		exit 1
		;;
esac

exit 0