mwan3: rename downtime to offline

Rename downtime ubus output from mwan3 to offline.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

net/mwan3/files/usr/libexec/rpcd/mwan3

@@ -75,7 +75,7 @@ get_mwan3_status() {
 	local running="0"
 	local age=0
 	local online=0
-	local downtime=0
+	local offline=0
 	local pid device time_p time_n time_u time_d
 
 	network_get_device device $1
@@ -98,16 +98,16 @@ get_mwan3_status() {
 			let online=time_n-time_u
 		}
 
-		time_d="$(cat "$MWAN3TRACK_STATUS_DIR/${iface}/DOWNTIME")"
+		time_d="$(cat "$MWAN3TRACK_STATUS_DIR/${iface}/OFFLINE")"
 		[ -z "${time_d}" ] || [ "${time_d}" = "0" ] || {
 			time_n="$(get_uptime)"
-			let downtime=time_n-time_d
+			let offline=time_n-time_d
 		}
 
 		json_add_object "${iface}"
 		json_add_int age "$age"
 		json_add_int online "${online}"
-		json_add_int downtime "${downtime}"
+		json_add_int offline "${offline}"
 		json_add_int "score" "$(cat "$MWAN3TRACK_STATUS_DIR/${iface}/SCORE")"
 		json_add_int "lost" "$(cat "$MWAN3TRACK_STATUS_DIR/${iface}/LOST")"
 		json_add_int "turn" "$(cat "$MWAN3TRACK_STATUS_DIR/${iface}/TURN")"

net/mwan3/files/usr/sbin/mwan3track

@@ -115,11 +115,11 @@ main() {
 	if [ "$STATUS" = "offline" ]; then
 		echo "offline" > /var/run/mwan3track/$1/STATUS
 		echo "0" > /var/run/mwan3track/$1/ONLINE
-		echo "$(get_uptime)" > /var/run/mwan3track/$1/DOWNTIME
+		echo "$(get_uptime)" > /var/run/mwan3track/$1/OFFLINE
 		score=0
 	else
 		echo "online" > /var/run/mwan3track/$1/STATUS
-		echo "0" > /var/run/mwan3track/$1/DOWNTIME
+		echo "0" > /var/run/mwan3track/$1/OFFLINE
 		echo "$(get_uptime)" > /var/run/mwan3track/$1/ONLINE
 		env -i ACTION="connected" INTERFACE="$1" DEVICE="$2" /sbin/hotplug-call iface
 	fi
@@ -260,7 +260,7 @@ main() {
 
 		if [ "${IFDOWN_EVENT}" -eq 1 ]; then
 			echo "offline" > /var/run/mwan3track/$1/STATUS
-			echo "$(get_uptime)" > /var/run/mwan3track/$1/DOWNTIME
+			echo "$(get_uptime)" > /var/run/mwan3track/$1/OFFLINE
 			echo "0" > /var/run/mwan3track/$1/ONLINE
 			$LOG notice "Interface $1 ($2) is offline"
 			env -i ACTION="disconnected" INTERFACE="$1" DEVICE="$2" /sbin/hotplug-call iface