#!/bin/sh

. /etc/functions.sh

log() {
	logger -t 3g-hotplug "$@"
}

find_3g_iface() {
	local cfg="$1"
	local tty="$2"

	local proto
	config_get proto "$cfg" proto

	[ "$proto" = 3g ] && {
		local auto
		config_get_bool auto "$cfg" auto 1
		[ "$auto" = 1 ] || return 0

		local dev
		config_get dev "$cfg" device

		if [ "${dev##*/}" = "${tty##*/}" ] && [ -z "$(ls /var/lock | grep ${dev##*/})" ]; then
			log "Starting interface $cfg for device ${dev##*/}"
			( sleep 1; /sbin/ifup "$cfg" ) &
		fi
	}
}


if [ "$ACTION" = add ]; then
	case "$DEVICENAME" in
		tty*) config_load network;;
		*) exit 0;;
	esac

	local tty
	for tty in /dev/ttyUSB* /dev/ttyACM* /dev/ttyHS*; do
		[ -e "$tty" ] || continue
		config_foreach find_3g_iface interface "$tty"
	done
fi