Interpret StatusBadServiceUnsupported to make clear debug logging

This is happens on Siemens PLCs when function on the server is not supported
gopcua · May 22, 2023 · c263e7c · c263e7c
1 parent 7cc1c9c
commit c263e7c
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/client.go b/client.go
@@ -461,6 +461,12 @@ func (c *Client) monitor(ctx context.Context) {
 						// recreate them all if that fails.
 						res, err := c.transferSubscriptions(ctx, subIDs)
 						switch {
+
+						case errors.Is(err, ua.StatusBadServiceUnsupported):
+							dlog.Printf("transfer subscriptions not supported. Recreating all subscriptions: %v", err)
+							subsToRepublish = nil
+							subsToRecreate = subIDs
+
 						case err != nil:
 							dlog.Printf("transfer subscriptions failed. Recreating all subscriptions: %v", err)
 							subsToRepublish = nil