woof-CE-libre/woof-code/rootfs-skeleton/lib/dhcpcd/dhcpcd-hooks/99-notify

#Notify user of interface state changes

display_notice()
{
	export DISPLAY=:0
	export TEXTDOMAIN=dhcpcd_notify
	export OUTPUT_CHARSET=UTF-8
	. gettext.sh
	case "$reason" in
	BOUND|REBOOT|STATIC) #up
		gtkdialog-splash -placement bottom -timeout 4 -bg green -text "`eval_gettext \"\\\$new_ip_address acquired on \\\$interface\"`" ;;
	CARRIER) #ifup
		ssid="$(wpa_cli -i $interface status 2>/dev/null | grep ^ssid | cut -f 2 -d =)"
		gtkdialog-splash -placement bottom-left -timeout 4 -bg orange -text "`eval_gettext \"Requesting IP address for \\\$interface \\\$ssid\"`" &
		 ;;
	RELEASE) #release
		gtkdialog-splash -placement bottom -timeout 4 -bg orange -text "`eval_gettext \"Releasing \\\$interface\"`" ;;
	NOCARRIER) #down
		gtkdialog-splash -placement bottom -timeout 4 -bg hotpink -text "`eval_gettext \"\\\$interface is down\"`" ;;
	IPV4LL|TIMEOUT|FAIL) #timeout
		gtkdialog-splash -placement bottom -timeout 4 -bg red -text "`eval_gettext \"IP address request failed on \\\$interface\"`" ;;
	esac
}


if echo "$reason" | grep -q -E 'BOUND|REBOOT|STATIC|CARRIER|RELEASE|NOCARRIER|IPV4LL|TIMEOUT|FAIL';then
	[ -f /etc/dhcpcd_state_notify ] && display_notice
fi