#!/bin/bash
CTRL_SOCK="/var/run/gpsd.socket"
DEV_NAME="/var/run/gpsd.device"


if [ "${ACTION}" = "remove" ]; then
  GPSD_PID=$(pidof gpsd)

  if [ -z "$GPSD_PID" ]; then
    echo "Can't find gpsd!"
  else
    echo "Remove gpsd from pid: ${GPSD_PID}"
    TTYDEV="/dev/$(basename $DEVPATH)"
    TTYDEV_SAVE=$(cat ${DEV_NAME})

     if [ ${TTYDEV} = ${TTYDEV_SAVE} ]; then
         # send TERM signal
         kill -15 ${GPSD_PID}
         rm -f ${DEV_NAME}
     fi

  fi
else


case "$DEVPATH" in
  *tty*)
    TTYDEV="/dev/$(basename $DEVPATH)"
    options="-F $CTRL_SOCK"

    . /etc/sysconfig/gpsd

    if [ "$STARTBYUDEV" != "yes" ]; then
	exit 1
    fi

    if [ -n "$PORT" ]; then
      options="$options -S $PORT"
    else
      PORT=2947
    fi

    echo "Action '${ACTION}' Launch gpsd to $TTYDEV with $options"

    /usr/sbin/gpsd $options ${TTYDEV}
    echo "${TTYDEV}" > ${DEV_NAME}
    sleep 1
    echo "F=$TTYDEV" >/dev/tcp/localhost/$PORT
  ;;
esac
fi 2>&1 | /bin/logger -t gpsd