#!/bin/bash

source /etc/conf.d/usbipdevd

CLIENTIP=$(/sbin/ifconfig eth0 | sed -n '/addr:/s/ [^r]*..//gp')
install -d ${USBIP_TEMP}

while true
do
	BUSID=$(bind_driver --list | grep -i ${USBIP_DEVICE_ID} | cut -d ' ' -f4)

	if [[ -n ${BUSID} ]]
	then
		echo "BUSID: ${BUSID}"

		# abort is nothing has changed
		if [[ -f ${USBIP_TEMP}/${CLIENTIP} ]]  &&
			[[ ${BUSID} = $(< ${USBIP_TEMP}/${CLIENTIP}) ]] 
		then
			echo "USBID is the same; nothing changed"
			#exit 0
		else
			echo "exporting Logitech Pen with ID ${BUSID}"
			bind_driver --usbip ${BUSID}

			echo "${BUSID}" > ${USBIP_TEMP}/${CLIENTIP}
			scp ${USBIP_TEMP}/${CLIENTIP} root@${USBIP_SERVER}:${USBIP_SERVER_PATH}
			[[ -d ${USBIP_TEMP} ]] && rm -rf ${USBIP_TEMP}
		fi
	else
		echo "No Logitech Pen (${USBIP_DEVICE_ID}) found ..."
	fi

	sleep ${USBIP_WAIT_TIMEOUT}
done