QPID-1447 : Add initial test for SlowConsumers

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@942106 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 237 insertions, 0 deletions

diff --git a/java/broker-plugins/experimental/SlowConsumerDisconnect/src/test/java/org/apache/qpid/systest/SlowConsumerTest.java b/java/broker-plugins/experimental/SlowConsumerDisconnect/src/test/java/org/apache/qpid/systest/SlowConsumerTest.java
new file mode 100644
index 0000000000..d5b2b1858b
--- /dev/null
+++ b/java/broker-plugins/experimental/SlowConsumerDisconnect/src/test/java/org/apache/qpid/systest/SlowConsumerTest.java
@@ -0,0 +1,237 @@
+/*
+ *
+ * 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.
+ *
+ */
+package org.apache.qpid.systest;
+
+import org.apache.commons.configuration.ConfigurationException;
+import org.apache.qpid.AMQChannelClosedException;
+import org.apache.qpid.AMQException;
+import org.apache.qpid.client.AMQSession_0_10;
+import org.apache.qpid.protocol.AMQConstant;
+import org.apache.qpid.test.utils.QpidTestCase;
+
+import javax.jms.Connection;
+import javax.jms.Destination;
+import javax.jms.ExceptionListener;
+import javax.jms.JMSException;
+import javax.jms.MessageConsumer;
+import javax.jms.MessageProducer;
+import javax.jms.Session;
+import javax.naming.NamingException;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * QPID-1447 : Add slow consumer detection and disconnection.
+ *
+ * Slow consumers should on a topic should expect to receive a
+ * 506 : Resource Error if the hit a predefined threshold.
+ */
+public class SlowConsumerTest extends QpidTestCase implements ExceptionListener
+{
+    Destination _destination;
+    private CountDownLatch _disconnectionLatch = new CountDownLatch(1);
+    private int MAX_QUEUE_MESSAGE_COUNT;
+    private int MESSAGE_SIZE = DEFAULT_MESSAGE_SIZE;
+
+    private Thread _publisher;
+    private static final long DISCONNECTION_WAIT = 5;
+    private Exception _publisherError = null;
+    private JMSException _connectionException = null;
+
+    @Override
+    public void setUp() throws Exception, ConfigurationException, NamingException
+    {
+        // Set the houseKeepingThread period to be every 500
+        setConfigurationProperty("virtualhosts.virtualhost."
+                                 + getConnectionURL().getVirtualHost().substring(1) +
+                                 ".slow-consumer-detection.delay", "1");
+
+        setConfigurationProperty("virtualhosts.virtualhost."
+                                 + getConnectionURL().getVirtualHost().substring(1) +
+                                 ".slow-consumer-detection.timeunit", "SECONDS");
+
+        setConfigurationProperty("virtualhosts.virtualhost." +
+                                 getConnectionURL().getVirtualHost().substring(1) +
+                                 "queues.slow-consumer-detection." +
+                                 "policy[@name]", "TopicDelete");
+
+        /**
+         *  Queue Configuration
+
+         <slow-consumer-detection>
+         <!-- The depth before which the policy will be applied-->
+         <depth>4235264</depth>
+
+         <!-- The message age before which the policy will be applied-->
+         <messageAge>600000</messageAge>
+
+         <!-- The number of message before which the policy will be applied-->
+         <messageCount>50</messageCount>
+
+         <!-- Policies configuration -->
+         <policy name="TopicDelete">
+         <options>
+         <option name="delete-persistent" value="true"/>
+         </options>
+         </policy>
+         </slow-consumer-detection>
+
+         */
+
+        /**
+         *  Plugin Configuration
+         *
+         <slow-consumer-detection>
+         <delay>1</delay>
+         <timeunit>MINUTES</timeunit>
+         </slow-consumer-detection>
+
+         */
+
+        super.setUp();
+    }
+
+    public void exclusiveTransientQueue(int ackMode) throws Exception
+    {
+
+    }
+
+    public void tempQueue(int ackMode) throws Exception
+    {
+
+    }
+
+    public void topicConsumer(int ackMode) throws Exception
+    {
+        Connection connection = getConnection();
+
+        connection.setExceptionListener(this);
+
+        Session session = connection.createSession(ackMode == Session.SESSION_TRANSACTED, ackMode);
+
+        _destination = session.createTopic(getName());
+
+        MessageConsumer consumer = session.createConsumer(_destination);
+
+        connection.start();
+
+        // Start the consumer pre-fetching
+        // Don't care about response as we will fill the broker up with messages
+        // after this point and ensure that the client is disconnected at the
+        // right point.
+        consumer.receiveNoWait();
+        startPublisher(_destination);
+
+        boolean disconnected = _disconnectionLatch.await(DISCONNECTION_WAIT, TimeUnit.SECONDS);
+
+        System.out.println("Validating");
+
+        if (!disconnected && isBroker010())
+        {
+            try
+            {
+                ((AMQSession_0_10) session).sync();
+            }
+            catch (AMQException amqe)
+            {
+                JMSException jmsException = new JMSException(amqe.getMessage());
+                jmsException.setLinkedException(amqe);
+                _connectionException = jmsException;
+            }
+        }
+
+        System.err.println("ConnectionException:" + _connectionException);
+
+        assertTrue("Client was not disconnected.", _connectionException != null);
+
+        Exception linked = _connectionException.getLinkedException();
+
+        System.err.println("Linked:" + linked);
+
+        _publisher.join();
+
+        //Validate publishing occurred ok
+        if (_publisherError != null)
+        {
+            throw _publisherError;
+        }
+
+        assertNotNull("No error received onException listener.", _connectionException);
+
+        assertNotNull("No linked exception set on:" + _connectionException.getMessage(), linked);
+
+        assertEquals("Incorrect linked exception received.", AMQChannelClosedException.class, linked.getClass());
+
+        AMQChannelClosedException ccException = (AMQChannelClosedException) linked;
+
+        assertEquals("Channel was not closed with correct code.", AMQConstant.RESOURCE_ERROR, ccException.getErrorCode());
+    }
+
+    private void startPublisher(final Destination destination)
+    {
+        _publisher = new Thread(new Runnable()
+        {
+
+            public void run()
+            {
+                try
+                {
+                    Connection connection = getConnection();
+                    Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
+
+                    MessageProducer publisher = session.createProducer(destination);
+
+                    setMessageSize(MESSAGE_SIZE);
+
+                    for (int count = 0; count < MAX_QUEUE_MESSAGE_COUNT; count++)
+                    {
+                        publisher.send(createNextMessage(session, count));
+                    }
+                }
+                catch (Exception e)
+                {
+                    _publisherError = e;
+                    _disconnectionLatch.countDown();
+                }
+            }
+        });
+    }
+
+    public void testAutoAckTopicConsumerMessageCount() throws Exception
+    {
+        MAX_QUEUE_MESSAGE_COUNT = 10;
+        setConfigurationProperty("virtualhosts.virtualhost." +
+                                 getConnectionURL().getVirtualHost().substring(1) +
+                                 "queues.slow-consumer-detection" +
+                                 "messageCount", "9");
+
+        setMessageSize(MESSAGE_SIZE);
+
+        topicConsumer(Session.AUTO_ACKNOWLEDGE);
+    }
+
+    public void onException(JMSException e)
+    {
+        _connectionException = e;
+
+        _disconnectionLatch.countDown();
+    }
+}