#!/bin/sh
### BEGIN INIT INFO
# Provides:          gfcloud
# Required-Start:    $local_fs $network
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Glowforge web-service controller (full cloud mode)
### END INIT INFO

DAEMON=/usr/sbin/gfcloud.py
PIDFILE=/var/run/gfcloud.pid
CONF=/data/forgefirm.conf

# Boot-time controller-mode dispatch, mirror of grblhal.init: this daemon
# runs the machine under the Glowforge web service. It starts only when
# controller_mode = cloud (which keeps grblHAL down); anything else - grbl,
# unset, or no config file - leaves it stopped.
controller_mode() {
    [ -r $CONF ] || { echo grbl; return; }
    m=$(sed -n 's/^[ \t]*controller_mode[ \t]*=[ \t]*\([a-z]*\).*/\1/p' $CONF | tail -n 1)
    echo "${m:-grbl}"
}

case "$1" in
  start)
    if [ "$(controller_mode)" != "cloud" ]; then
      echo "gfcloud not started (controller_mode != cloud)"
      exit 0
    fi
    echo "Starting gfcloud"
    start-stop-daemon -S -q -p $PIDFILE -m -b -x $DAEMON
    ;;
  stop)
    echo "Stopping gfcloud"
    start-stop-daemon -K -q -p $PIDFILE
    rm -f $PIDFILE
    ;;
  restart)
    $0 stop
    sleep 2
    $0 start
    ;;
  *)
    echo "Usage: $0 {start|stop|restart}"
    exit 1
    ;;
esac
exit 0