dhcgn/hm2mqtt

#!/bin/sh

PIDFILE=/var/run/mqtt

DAEMON=/usr/local/etc/config/addons/www/mqtt/GoHomeMaticMqtt_linux_arm 
DAEMON_ARGS="-config /usr/local/etc/config/mqtt.json"

log() {
  local now=$(date)
  echo "[$now] $@"
  echo "[$now] $@" >> /var/log/mqtt.log
}

do_start()
{
  log "starting mqtt ..."
  start-stop-daemon --start --quiet --make-pidfile --background --nicelevel -10 --pidfile $PIDFILE --exec $DAEMON -- $DAEMON_ARGS
  sleep 1
  if [ -f "$PIDFILE" ]; then
    PID=$(cat $PIDFILE)
    log "mqtt started (pid=$PID)"
  else
    log "mqtt started failed"
  fi    
}

do_stop()
{
  log "stopping mqtt ..."
    start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
    if [ -f "$PIDFILE" ]; then
        rm $PIDFILE
    fi        
  log "mqtt stopped"
}

check_status()
{
  if [ ! -f "$PIDFILE" ]; then
    log "no pid file $PIDFILE"
    return -1
  fi
  local ps=$(cat $PIDFILE)
  if [ -z "$ps" ]; then
    log "pid file $PIDFILE empty"
    return -2
  fi
  if [ ! -d "/proc/$ps" ]; then
    log "no running process with pid $ps"
    return -3
  fi
  log "mqtt is running (pid=$ps)"
  return 0
}

case "$1" in
""|start)
    log "Start"
    do_start
  ;;
info)
  echo "Info: <b>GoHomeMaticMqtt</b><br>"
  echo "Info: <a href='https://github.com/dhcgn/hm2mqtt'>https://github.com/dhcgn/hm2mqtt</a>"
  ;;
stop)
  do_stop
  ;;
restart)
  do_stop
  sleep 1
  do_start
  ;;    
uninstall)
  ;;
status)
  check_status
  exit $?
  ;;  
  *)
    echo "usage: mqtt [info|start|stop|restart|uninstall|status]"
      exit 1
    ;;
esac

exit 0