#!/bin/sh

MOD_NAME=modbus_logger
MOD_DAEMON=modloggerd
MOD_BIN=/opt/$MOD_NAME/bin/$MOD_DAEMON
MOD_DEFAULTS=/opt/$MOD_NAME/etc/defaults
MOD_SETTINGS=/opt/$MOD_NAME/etc/settings
[ -L "$MOD_SETTINGS" ] && MOD_SETTINGS=`readlink $MOD_SETTINGS`

VARDIR=/var/$MOD_NAME
VOL_DIR=$VARDIR/voldata
MNT_DIR=$VARDIR/mnt

[ -f "$MOD_SETTINGS" ] || cp $MOD_DEFAULTS $MOD_SETTINGS
[ -x "/sbin/hash_verify" ] && [ ! -f "$MOD_SETTINGS.hash" ] && cp $MOD_DEFAULTS.hash $MOD_SETTINGS.hash

. $MOD_SETTINGS

case "$1" in
  start|restart)
    [ -x "/sbin/hash_verify" ] && ! hash_verify $MOD_SETTINGS && exit 1
    [ -d $VARDIR ] || mkdir $VARDIR
    [ -d $VOL_DIR ] || mkdir $VOL_DIR
    [ -z "$MOD_MODLOGGER_CACHE" ] || [ -d $MNT_DIR ] || mkdir $MNT_DIR
    if [ "$1" = "restart" ]; then
      echo -n "Restarting module modbus logger: "
      killall modloggerd 2> /dev/null
    else
      echo -n "Starting module modbus logger: "
    fi
    if [ "$MOD_MODLOGGER_ENABLED" != "1" ]; then
      /opt/$MOD_NAME/etc/memCard umount 2> /dev/null
      echo "skipped"
      exit 0
    fi
    $MOD_BIN &
    RETVAL=$?
    if [ $RETVAL = 0 ]; then echo "done"; else echo "failed"; fi
    exit $RETVAL
    ;;
  stop)
    echo -n "Stopping module modbus logger: "
    killall $MOD_DAEMON 2> /dev/null
    RETVAL=$?
    if [ $RETVAL = 0 ]; then echo "done"; else echo "failed"; fi
    /opt/$MOD_NAME/etc/memCard umount 2> /dev/null
    exit $RETVAL
    ;;
  status)
    echo -n "Module modbus logger is "
    killall -0 $MOD_DAEMON 2> /dev/null
    RETVAL=$?
    if [ $RETVAL = 0 ]; then echo "running"; else echo "stopped"; fi
    exit $RETVAL
    ;;
  defaults)
    cp $MOD_DEFAULTS $MOD_SETTINGS 2> /dev/null
    [ -f "$MOD_DEFAULTS.hash" ] && cp $MOD_DEFAULTS.hash $MOD_SETTINGS.hash
    ;;
  *)
    echo "Usage: $0 {start|stop|restart|status|defaults}"
    exit 1
esac
