zme_radiotools.initd.in

#!/bin/sh
### BEGIN INIT INFO
# Provides:          zme_radiotools
# Required-Start:    $local_fs networking
# Required-Stop:
# Should-Start:
# Should-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: zme_radiotools scripts
### END INIT INFO

. @ZME_RTHOME@/zme_radiotools.conf

runuser=${ZME_RUNUSER:-root}

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="zme_radiotools"
NAME="zme_radiotools"
DAEMON=@ZME_RTHOME@/sv.simple.sh
PIDFILE=/var/run/SOME.pid
export PIDFILE
export ZME_LOGPATH

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
#. /lib/lsb/init-functions

# Exit if the DAEMON is not installed
[ -x "$DAEMON" ] || exit 0

# Load the VERBOSE setting and other rcS variables
[ -f /etc/default/rcS ] && . /etc/default/rcS


is_true()
{
	case "$1" in
		[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
			return 0
			;;
		[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
			return 1
			;;
		*)
			echo "Wrong value for boolean value: $1" >&2
			exit 3
			;;
	esac
}

#
# Function that starts the daemon/service
#
do_start()
{
	local CMD
	export CMD

	. @ZME_RTHOME@/zme_radiotools.conf
	cp -f @ZME_RTHOME@/zme_radiotools.conf /var/cache/zme_radiotools/

	for sdesc in \
	  "zme_transmission python3 zme_transmission.py svc -c transmission.json" \
	  "zme_webserial python3 zme_webserial.py svc" \
	  "zme_dummy python3 zme_dummy.py some args"; do
		sname=${sdesc%% *}
		if is_true `eval echo \\$${sname}_ENABLE`; then
			PIDFILE=/var/run/${sname}.pid
			CMD=${sdesc#* }
			start-stop-daemon --start --pidfile "$PIDFILE" \
			  --exec $DAEMON --user $runuser -- start
			if [ $? -ne 0 ]; then
				return 2
			fi
		fi
	done
}

#
# Function that stops the daemon/service
#
do_stop()
{
	. /var/cache/zme_radiotools/zme_radiotools.conf

	for sname in \
	  zme_transmission \
	  zme_webserial \
	  zme_dummy; do
		if is_true `eval echo \\$${sname}_ENABLE`; then
			PIDFILE=/var/run/${sname}.pid
			start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 \
			  --pidfile "$PIDFILE" --user $runuser
			if [ $? -ne 0 ]; then
				echo -n "($sname FAIL) "
				continue
			fi
			rm -f "$PIDFILE"
		fi
	done
}

log_daemon_msg()
{
	echo -n "$1: $2 "
}

log_end_msg()
{
	if [ "$1" = 0 ]; then
		echo OK
	else
		echo FAIL
	fi
}

case "$1" in
start)
	if [ -f /var/run/zme_radiotools.started ]; then
		echo "Already started" >&2
		exit 1
	fi
	touch /var/run/zme_radiotools.started
	[ "$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
	rm -f /var/run/zme_radiotools.started
   ;;
status)
	status_of_proc -p $PIDFILE $DAEMON $NAME && exit 0 || exit $?
	;;
restart)
	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|status|restart}" >&2
	exit 3
	;;
esac