motd_stat

#!/bin/sh

### BEGIN INIT INFO
# Provides:          motd_stat
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Starts the MOTD statistics monitor
# Description:       Starts motd_stat using start-stop-daemon
### END INIT INFO

NAME=motd_stat
DESC=motd_stat
PID_FILE=/var/run/$NAME.pid
DAEMON_HOME=/usr/local/motd_gen
DAEMON=$DAEMON_HOME/motd_stat.py
DAEMON_OPTS=""

# Pre-check
test -x $DAEMON || exit 0
set -e
. /lib/lsb/init-functions

running() {
	[ ! -f "$PID_FILE" ] && return 1
	[ ! -d /proc/$(cat $PID_FILE) ] &&  return 1
	return 0
}

start_server() {
	echo "Starting $DESC:"
	start-stop-daemon --start --quiet --pidfile $PID_FILE --make-pidfile --background --startas $DAEMON -- $DAEMON_OPTS && RET_CODE=0 || RET_CODE=$?
	if [ $RET_CODE -eq 0 ]; then
		sleep 0.5
		if running; then
			log_success_msg "$NAME started"
		else
			log_failure_msg "$NAME not started"
			rm -f $PID_FILE
			return 1
		fi
	elif [ $RET_CODE -eq 1 ]; then
		log_warning_msg "$NAME already started"
	else
		log_failure_msg "$NAME not started"
	fi
	return $RET_CODE
}

stop_server() {
	echo "Stopping $DESC:"
	start-stop-daemon --stop --quiet --pidfile $PID_FILE && RET_CODE=0 || RET_CODE=$?
	if [ $RET_CODE -eq 0 ]; then
		log_success_msg "$NAME stopped"
	elif [ $RET_CODE -eq 1 ]; then
		log_warning_msg "$NAME already stopped"
	else
		log_failure_msg "$NAME not stopped"
	fi
	running || rm -f $PID_FILE
	return $RET_CODE
}

status_server() {
	echo "Checking $DESC status:"
	if running; then
		log_success_msg "$NAME is running"
	else
		log_warning_msg "$NAME is not running"
	fi
	return 0
}

case "$1" in
	start)
		start_server
		;;
	stop)
		stop_server
		;;
	restart)
		stop_server || true
		sleep 0.5
		start_server
		;;
	status)
		status_server
		;;
	*)
		echo "Usage: $NAME {start|stop|restart|status}" >&2
		exit 1
		;;
esac

exit 0