#! /bin/sh
### BEGIN INIT INFO
# Provides:          mediator
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Should-Start:      sshd mysql
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Ngcp Mediator
# Description:       Create accounting CDRs
### END INIT INFO


PATH=/sbin:/bin:/usr/sbin:/usr/bin
NAME=mediator
DESC="ACC mediator"
RUN_MEDIATOR=no

DAEMON=/usr/bin/mediator
DEFAULTS=/etc/default/mediator

test -f "$DAEMON" || exit 0

# Load startup options if available
if [ -f $DEFAULTS ]; then
   . $DEFAULTS || true
fi

if [ "$RUN_MEDIATOR" != "yes" ]; then
    echo "mediator not yet configured. Edit $DEFAULTS first."
    exit 0
fi
[ -z "$PIDFILE" ] && PIDFILE="/var/run/mediator.pid"

. /lib/lsb/init-functions


OPTIONS=""

[ -z "$PIDFILE" ] || OPTIONS="$OPTIONS -D $PIDFILE"
[ -z "$INTERVAL" ] || OPTIONS="$OPTIONS -i $INTERVAL"
[ -z "$SOURCE_HOST" ] || OPTIONS="$OPTIONS -h $SOURCE_HOST"
[ -z "$SOURCE_PORT" ] || OPTIONS="$OPTIONS -o $SOURCE_PORT"
[ -z "$SOURCE_USER" ] || OPTIONS="$OPTIONS -u $SOURCE_USER"
[ -z "$SOURCE_PASS" ] || OPTIONS="$OPTIONS -p $SOURCE_PASS"
[ -z "$SOURCE_DB" ] || OPTIONS="$OPTIONS -b $SOURCE_DB"
[ -z "$DEST_HOST" ] || OPTIONS="$OPTIONS -H $DEST_HOST"
[ -z "$DEST_PORT" ] || OPTIONS="$OPTIONS -O $DEST_PORT"
[ -z "$DEST_USER" ] || OPTIONS="$OPTIONS -U $DEST_USER"
[ -z "$DEST_PASS" ] || OPTIONS="$OPTIONS -P $DEST_PASS"
[ -z "$DEST_DB" ] || OPTIONS="$OPTIONS -B $DEST_DB"
[ -z "$PROV_HOST" ] || OPTIONS="$OPTIONS -S $PROV_HOST"
[ -z "$PROV_PORT" ] || OPTIONS="$OPTIONS -T $PROV_PORT"
[ -z "$PROV_USER" ] || OPTIONS="$OPTIONS -R $PROV_USER"
[ -z "$PROV_PASS" ] || OPTIONS="$OPTIONS -A $PROV_PASS"
[ -z "$PROV_DB" ] || OPTIONS="$OPTIONS -N $PROV_DB"
[ -z "$STATS_HOST" ] || OPTIONS="$OPTIONS -Z $STATS_HOST"
[ -z "$STATS_PORT" ] || OPTIONS="$OPTIONS -z $STATS_PORT"
[ -z "$STATS_USER" ] || OPTIONS="$OPTIONS -W $STATS_USER"
[ -z "$STATS_PASS" ] || OPTIONS="$OPTIONS -w $STATS_PASS"
[ -z "$STATS_DB" ] || OPTIONS="$OPTIONS -X $STATS_DB"
[ -z "$STATS_PERIOD" ] || OPTIONS="$OPTIONS -x $STATS_PERIOD"
[ "$MAINTENANCE" = yes ] && OPTIONS="$OPTIONS -m"
if test "$FORK" = "yes" ; then
        OPTIONS="$OPTIONS -d"
fi


case "$1" in
  start)
      if [ -x "/usr/sbin/ngcp-check_active" ]; then
        /usr/sbin/ngcp-check_active -q
        status=$?
        case "${status}" in
          0|3)
            echo "Active node or transition."
            ;;
          *)
            echo "Ignored start action in inactive node ($status)"
            exit 0
            ;;
        esac
      fi
      set -e

      log_daemon_msg "Starting $DESC: $NAME"
      # shellcheck disable=SC2086
      start-stop-daemon --start --quiet --oknodo --pidfile "$PIDFILE" \
              --exec "$DAEMON" -- $OPTIONS || log_progress_msg " already running"
      log_end_msg $?
      ;;
  stop)
      log_daemon_msg "Stopping $DESC: $NAME"
      start-stop-daemon --oknodo --stop --quiet --pidfile "$PIDFILE" \
              --exec "$DAEMON"
      if [ "$?" -ne 0 ]; then
          return $?
      fi
      rm -f $PIDFILE
      log_end_msg $?
      ;;
  restart|force-reload)
      log_daemon_msg "Restarting $DESC: $NAME"
      start-stop-daemon --oknodo --stop --quiet --pidfile \
             "$PIDFILE" --exec "$DAEMON"
      if [ "$?" -ne 0 ]; then
          return $?
      fi
      rm -f "$PIDFILE"
      sleep 1

      if [ -x "/usr/sbin/ngcp-check_active" ]; then
        /usr/sbin/ngcp-check_active -q
        status=$?
        case "${status}" in
          0|3)
            echo "Active node or transition."
            ;;
          *)
            echo "Ignored start action in inactive node ($status)"
            exit 0
            ;;
        esac
      fi
      set -e
      # shellcheck disable=SC2086
      start-stop-daemon --start --quiet --pidfile \
              "$PIDFILE" --exec "$DAEMON"  -- $OPTIONS
      log_end_msg $?
      ;;
  status)
      status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
      ;;
  *)
      echo "Usage: $0 {start|stop|restart|force-reload|status}" >&2
      exit 1
      ;;
esac

exit 0