#!/bin/sh
# serialize x10 requests
set -e

if [ "$1" = on ]; then
	switch=-n
else
	switch=-f
fi

LOCK=$STATE_DIR/x10

if [ -z "$X10_HOUSE" ] || [ -z "$X10_DEVICE" ]; then
	echo "X10_HOUSE and X10_DEVICE required for x10 control" >&2
	exit 1
fi

sigout () {
	lockfile-remove $LOCK
}

trap sigout INT QUIT

lockfile-create $LOCK
lockfile-touch --oneshot $LOCK

if [ -n "$X10_PORT" ]; then
	PORT="-x$X10_PORT"
fi

if ! br "$PORT" -r 4 -c "$X10_HOUSE" "$switch" "$X10_DEVICE"; then
	lockfile-remove $LOCK
	echo "br failed!" >&2
	exit 1
fi

lockfile-remove $LOCK

sleep $X10_DELAY