using daemon to make a respawning mosquitto server

_etc_init.d_mosquitto

#! /bin/bash
# Based on /etc/init.d/sshd as it came on CentOS 5.6:
#
# Copyright (c) 1995-2000 SuSE GmbH Nuernberg, Germany.
#
# Author: Jiri Smid <feedback@suse.de>

# /etc/init.d/mosquitto
#

### BEGIN INIT INFO
# Provides: mosquitto
# Required-Start: $network $remote_fs
# Required-Stop: $network $remote_fs
# Default-Start: 3 5
# Default-Stop: 0 1 2 6
# Short-Description: Mosquitto MQTT broker
# Description: Mosquitto MQTT broker
### END INIT INFO

MOSQUITTO_BIN=/usr/sbin/mosquitto
test -x $MOSQUITTO_BIN || exit 5
prog=mosquitto

LOGFILE=/var/log/$prog/$prog.log
PID_FILE=/var/run/$prog/$prog.pid
RUNAS=$prog

. /etc/rc.d/init.d/functions

start()
{
        echo -n "Starting Mosquitto MQTT broker"
        ## Start daemon with startproc(8). If this fails
        ## the echo return value is set appropriate.

        /usr/local/bin/daemon -n $prog --verbose -r -o $LOGFILE -u $RUNAS -F $PID_FILE -- $MOSQUITTO_BIN -c /etc/mosquitto/mosquitto.conf && success || failure
        RETVAL=$?
        echo
}

stop()
{
        echo -n "Shutting down Mosquitto MQTT broker"
        ## Stop daemon with killproc(8) and if this fails
        ## set echo the echo return value.
        /usr/local/bin/daemon -F $PID_FILE -n $prog --verbose --stop && success || failure
        
        RETVAL=$?
        echo
}

reload()
{
        echo -n $"Reloading $prog: "
        # FIXME!!!
        echo "Actually, this won't work, it just kills the service"
        killproc -p $PID_FILE -HUP

        RETVAL=$?
        echo
}

case "$1" in
        start)
                start
                ;;
        stop)
                stop
                ;;
        restart)
                ## Stop the service and regardless of whether it was
                ## running or not, start it again.
                $0 stop
                $0 start
                ;;
        force-reload|reload)
                reload
                ;;
        status)
                /usr/local/bin/daemon -F $PID_FILE -n $prog --verbose --running
                RETVAL=$?
                ;;
        *)

        echo "Usage: $0 {start|stop|status|restart|force-reload|reload}"
        exit 1
        ;;
esac
exit $RETVAL