mwan3: add locking debug possibility

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

net/mwan3/files/etc/hotplug.d/iface/15-mwan3

@@ -16,11 +16,11 @@ config_load mwan3
 config_get_bool enabled globals 'enabled' '0'
 [ ${enabled} -gt 0 ] || exit 0
 
-mwan3_lock
+mwan3_lock "$ACTION" "$INTERFACE"
 mwan3_init
 mwan3_set_connected_iptables
 mwan3_set_custom_ipset
-mwan3_unlock
+mwan3_unlock "$ACTION" "$INTERFACE"
 
 config_get enabled $INTERFACE enabled 0
 config_get initial_state $INTERFACE initial_state "online"
@@ -58,7 +58,7 @@ else
 	running=1
 fi
 
-mwan3_lock
+mwan3_lock "$ACTION" "$INTERFACE"
 $LOG notice "Execute "$ACTION" event on interface $INTERFACE (${DEVICE:-unknown})"
 
 case "$ACTION" in
@@ -91,6 +91,6 @@ case "$ACTION" in
 	;;
 esac
 
-mwan3_unlock
+mwan3_unlock "$ACTION" "$INTERFACE"
 
 exit 0

net/mwan3/files/etc/hotplug.d/iface/16-mwan3

@@ -9,9 +9,9 @@ config_get_bool enabled globals 'enabled' '0'
 [ ${enabled} -gt 0 ] || exit 0
 
 if [ "$ACTION" == "ifup" ]; then
-	mwan3_lock
+	mwan3_lock "$ACTION" "mwan3rtmon"
 	mwan3_rtmon
-	mwan3_unlock
+	mwan3_unlock "$ACTION" "mwan3rtmon"
 fi
 
 exit 0

net/mwan3/files/lib/mwan3/mwan3.sh

@@ -163,9 +163,11 @@ mwan3_init()
 
 mwan3_lock() {
 	lock /var/run/mwan3.lock
+#	$LOG debug "$1 $2 (lock)"
 }
 
 mwan3_unlock() {
+#	$LOG debug "$1 $2 (unlock)"
 	lock -u /var/run/mwan3.lock
 }
 

net/mwan3/files/usr/sbin/mwan3

@@ -136,7 +136,7 @@ stop()
 {
 	local ipset route rule table IP IPT pid
 
-	mwan3_lock
+	mwan3_lock "command" "mwan3"
 
 	for pid in $(pgrep -f "mwan3rtmon"); do
 		kill -TERM "$pid" > /dev/null 2>&1
@@ -186,7 +186,7 @@ stop()
 		$IPS -q destroy $ipset
 	done
 
-	mwan3_unlock
+	mwan3_unlock "command" "mwan3"
 
 	mwan3_lock_clean
 	rm -rf $MWAN3_STATUS_DIR $MWAN3TRACK_STATUS_DIR

net/mwan3/files/usr/sbin/mwan3rtmon

@@ -24,15 +24,15 @@ main() {
 
 	sleep 3
 	while true; do
-		mwan3_lock
+		mwan3_lock "service" "mwan3rtmon"
 		[ mwan3_remon_ipv4 = "1" ] || \
 		[ mwan3_rtmon_ipv6 = "1" ] && break
-		mwan3_unlock
+		mwan3_unlock "service" "mwan3rtmon"
 		[ "$rtmon_interval" = "0" ] && break
 		sleep "$rtmon_interval" &
 		wait
 	done
-	mwan3_unlock
+	mwan3_unlock "service" "mwan3rtmon"
 }
 
 main "$@"