#!/bin/sh

# act on wlan devices and broken events for qca proprietary devices which all have no DEVTYPE!
[ "$DEVTYPE" = "wlan" ] ||
		[ "$DEVTYPE${DEVICENAME%%[0-9]*}" = "wifi" ] ||
		[ "$DEVTYPE${DEVICENAME%%[0-9]*}" = "ath" ] ||
		exit 0

. /lib/config/uci.sh
# uci_ lib works on temporary config files here which are not persistent
UCI_CONFIG_DIR=/var/run
CONFIG=plc-standby

# create initial config file
uci_set_default $CONFIG <<'EOF'
	config status 'status'
		option timeout '0'
EOF

[ "$DEVTYPE${DEVICENAME%%[0-9]*}" = "wifi" ] && exit 0

# check added/removed device
if [ "$DEVTYPE" = "wlan" ]; then
	# strange behavior on ath9/10k!
	# on boot wlanX interface is added for all radios, then removed for radios without enabled interfaces,
	# but not for disabled radios.
	# ubus call not yet possible at this early boot stage. ignore this add when ubus fails.
	# or we could ignore the first added of a phy
	ubus call network.wireless status >/dev/null 2>&1 || exit
fi

devices=$(uci_get $CONFIG status wlandevs)

case "$ACTION" in
add)
	logger -t dlanx-standby "device $DEVICENAME added"
	devices="${devices//"$DEVICENAME "/}$DEVICENAME "
	uci_set $CONFIG status wlandevs "$devices"
	uci_commit $CONFIG
	;;
remove)
	logger -t dlanx-standby "device $DEVICENAME removed"
	devices="${devices//"$DEVICENAME "/}"
	uci_set $CONFIG status wlandevs "$devices"
	uci_commit $CONFIG
	;;
*)
	exit
	;;
esac