Extend configuration.

2026-10-19 02:53:06 +08:00 · 2019-03-11 18:43:39 +01:00
parent cd76f434e3
commit e1799ea6a3
8 changed files with 228 additions and 120 deletions
@@ -33,13 +33,16 @@ namespace MQTTnet.Server
            try
            {
                var retainedMessages = await _options.Storage.LoadRetainedMessagesAsync().ConfigureAwait(false);
-
-                using (await _messagesLock.WaitAsync().ConfigureAwait(false))
+                if (retainedMessages?.Any() == true)
                {
-                    _messages.Clear();
-                    foreach (var retainedMessage in retainedMessages)
+                    using (await _messagesLock.WaitAsync().ConfigureAwait(false))
                    {
-                        _messages[retainedMessage.Topic] = retainedMessage;
+                        _messages.Clear();
+
+                        foreach (var retainedMessage in retainedMessages)
+                        {
+                            _messages[retainedMessage.Topic] = retainedMessage;
+                        }
                    }
                }
            }