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Fix MQTT v5 topic alias forwarding (#2250)

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This commit is contained in:
Suhas Holla Karkada Chandrashekar
2026-06-13 18:04:42 +02:00
committed by GitHub
parent 8321806acf
commit bca2ded8eb
3 changed files with 9 additions and 4 deletions
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Source/MQTTnet.Server/Internal/MqttConnectedClient.cs
+3 -1
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@@ -218,6 +218,8 @@ public sealed class MqttConnectedClient : IDisposable
HandleTopicAlias(publishPacket);
var applicationMessage = MqttApplicationMessageFactory.Create(publishPacket);
// Topic aliases are scoped to this network connection and must not be forwarded to other clients.
applicationMessage.TopicAlias = 0;
var dispatchApplicationMessageResult =
await _sessionsManager.DispatchApplicationMessage(Id, UserName, Session.Items, applicationMessage, cancellationToken).ConfigureAwait(false);
@@ -579,4 +581,4 @@ public sealed class MqttConnectedClient : IDisposable
_logger.Warning(exception, "Client '{0}': Error while sending DISCONNECT packet (ReasonCode = {1})", Id, options.ReasonCode);
}
}
}
}