#!/bin/sh
# USB Hotplug Event Handler for Cellular Modems
# Dante <dante@seckv.com>

[ "$DEVTYPE" = "usb_device" ] || exit 0

case "$ACTION" in
	add|bind|remove)
		# Delay slightly to allow sysfs device tree and tty nodes to settle
		(
			sleep 1
			/usr/libexec/modem-detect --cache >/dev/null 2>&1
			which ubus >/dev/null 2>&1 && ubus send modem.device.change "{\"action\":\"$ACTION\",\"dev\":\"$DEVICENAME\"}" 2>/dev/null || true
		) &
		;;
esac

exit 0