[
https://issues.apache.org/jira/browse/AMQNET-589?focusedWorklogId=275537&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-275537
]
ASF GitHub Bot logged work on AMQNET-589:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Jul/19 22:34
Start Date: 11/Jul/19 22:34
Worklog Time Spent: 10m
Work Description: cjwmorgan-sol commented on pull request #4: AMQNET-589:
Failover implementation
URL: https://github.com/apache/activemq-nms-amqp/pull/4#discussion_r302767967
##########
File path: src/NMS.AMQP/SessionDispatcher.cs
##########
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System.Threading;
+using System.Threading.Tasks;
+using System.Threading.Tasks.Dataflow;
+
+namespace Apache.NMS.AMQP
+{
+ internal class SessionDispatcher
+ {
+ private readonly ActionBlock<NmsMessageConsumer.MessageDeliveryTask>
actionBlock;
+ private int dispatchThreadId;
+ private readonly CancellationTokenSource cts;
+
+ public SessionDispatcher()
+ {
+ cts = new CancellationTokenSource();
+ actionBlock = new
ActionBlock<NmsMessageConsumer.MessageDeliveryTask>(HandleTask, new
ExecutionDataflowBlockOptions
+ {
+ EnsureOrdered = true,
+ MaxDegreeOfParallelism = 1,
+ CancellationToken = cts.Token
+ });
+ }
+
+ public void Post(NmsMessageConsumer.MessageDeliveryTask task) =>
actionBlock.Post(task);
+
+ public bool IsOnDeliveryThread() => dispatchThreadId ==
Thread.CurrentThread.ManagedThreadId;
+
+ private void HandleTask(NmsMessageConsumer.MessageDeliveryTask
messageDeliveryTask)
+ {
+ try
+ {
+ dispatchThreadId = Thread.CurrentThread.ManagedThreadId;
+ messageDeliveryTask.DeliverNextPending();
+ }
+ finally
+ {
+ dispatchThreadId = -1;
+ }
+ }
+
+ public void Stop()
+ {
+ actionBlock.Complete();
+ cts.Cancel();
Review comment:
Where are the changes proposed in
https://gist.github.com/HavretGC/e99f39b72345fda65434e0685eade64e? I remember
seeing something for this before. But, in the current changes its not present.
@HavretGC did the get lost in last git commit?
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Issue Time Tracking
-------------------
Worklog Id: (was: 275537)
Time Spent: 20m (was: 10m)
> NMS AMQP Failover implementation
> --------------------------------
>
> Key: AMQNET-589
> URL: https://issues.apache.org/jira/browse/AMQNET-589
> Project: ActiveMQ .Net
> Issue Type: Improvement
> Components: ActiveMQ, AMQP, NMS
> Affects Versions: 1.8.0
> Reporter: Krzysztof Porebski
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Implement failover in NMS AMQP the same way as it is implemented in QpidJMS.
> This will involve some major rework, as current design is too rigid to
> introduce this feature.
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