[
https://issues.apache.org/jira/browse/ARTEMIS-2226?focusedWorklogId=193182&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-193182
]
ASF GitHub Bot logged work on ARTEMIS-2226:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 01/Feb/19 02:40
Start Date: 01/Feb/19 02:40
Worklog Time Spent: 10m
Work Description: michaelandrepearce commented on pull request #2528:
ARTEMIS-2226 last consumer connection should close the previous consu…
URL: https://github.com/apache/activemq-artemis/pull/2528#discussion_r252917296
##########
File path:
artemis-protocols/artemis-mqtt-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/mqtt/MQTTProtocolManager.java
##########
@@ -62,11 +73,44 @@
List<BaseInterceptor> outgoingInterceptors) {
this.server = server;
this.updateInterceptors(incomingInterceptors, outgoingInterceptors);
+ server.getManagementService().addNotificationListener(this);
}
@Override
public void onNotification(Notification notification) {
- // TODO handle notifications
+ if (!(notification.getType() instanceof CoreNotificationType))
+ return;
+
+ CoreNotificationType type = (CoreNotificationType)
notification.getType();
+ if (type != CONSUMER_CREATED)
+ return;
+
+ TypedProperties props = notification.getProperties();
+
+ SimpleString protocolName =
props.getSimpleStringProperty(ManagementHelper.HDR_PROTOCOL_NAME);
+
+ if (protocolName == null ||
!protocolName.toString().equals(MQTTProtocolManagerFactory.MQTT_PROTOCOL_NAME))
+ return;
+
+ int distance = props.getIntProperty(ManagementHelper.HDR_DISTANCE);
+
+ if (distance > 0) {
+ SimpleString queueName =
props.getSimpleStringProperty(ManagementHelper.HDR_ROUTING_NAME);
+
+ Binding binding = server.getPostOffice().getBinding(queueName);
+ if (binding != null) {
+ Queue queue = (Queue) binding.getBindable();
+ String clientId =
props.getSimpleStringProperty(ManagementHelper.HDR_CLIENT_ID).toString();
+ //If the client ID represents a client already connected to the
server then the server MUST disconnect the existing client.
+ //Avoid consumers with the same client ID in the cluster appearing
at different nodes at the same time
+ Collection<Consumer> consumersSet = queue.getConsumers();
+ for (Consumer consumer : consumersSet) {
+ ServerConsumerImpl serverConsumer = (ServerConsumerImpl)
consumer;
+ if (clientId.equals(serverConsumer.getConnectionClientID()))
+ serverConsumer.getRemotingConnection().destroy();
Review comment:
But your current logic in this PR is simply find all consumers with matching
clientId and kill beneath it, their connection. You may as well simply close
down the consumer
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Issue Time Tracking
-------------------
Worklog Id: (was: 193182)
Time Spent: 8h 40m (was: 8.5h)
> (MQTT)In the cluster,the last consumer connection should close the previous
> consumer connection
> -----------------------------------------------------------------------------------------------
>
> Key: ARTEMIS-2226
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2226
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Reporter: Shiping Liang
> Priority: Major
> Time Spent: 8h 40m
> Remaining Estimate: 0h
>
> Multiple consumers using the same clientId in the cluster, the last consumer
> connection should close the previous consumer connection!
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