| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.activemq.bugs; |
| |
| |
| import org.apache.activemq.ActiveMQConnection; |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.broker.jmx.BrokerViewMBean; |
| import org.apache.activemq.broker.region.policy.PolicyEntry; |
| import org.apache.activemq.broker.region.policy.PolicyMap; |
| import org.apache.activemq.store.kahadb.plist.PListStoreImpl; |
| import org.apache.activemq.usage.SystemUsage; |
| import org.apache.activemq.util.Wait; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.jms.Connection; |
| import javax.jms.ConnectionFactory; |
| import javax.jms.Destination; |
| import javax.jms.Message; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Session; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Ensure the tempPercentUsage JMX attribute decreases after temp store usage is decreased |
| * |
| */ |
| public class AMQ6459Test { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(AMQ6459Test.class); |
| |
| private static final String DESTINATION = "testQ1"; |
| private static final int MESSAGES_TO_SEND = 4000; |
| |
| private String TRANSPORT_URL = "tcp://0.0.0.0:0"; |
| |
| BrokerService broker; |
| |
| @Before |
| public void createBroker() throws Exception { |
| |
| broker = new BrokerService(); |
| broker.setDeleteAllMessagesOnStartup(true); |
| broker.setUseJmx(true); |
| |
| PolicyMap policyMap = new PolicyMap(); |
| List<PolicyEntry> entries = new ArrayList<PolicyEntry>(); |
| PolicyEntry pe = new PolicyEntry(); |
| pe.setTopicPrefetch(50); |
| pe.setTopic(">"); |
| entries.add(pe); |
| policyMap.setPolicyEntries(entries); |
| broker.setDestinationPolicy(policyMap); |
| |
| SystemUsage systemUsage = broker.getSystemUsage(); |
| systemUsage.getTempUsage().setLimit(50 * 1024 * 1024); |
| |
| |
| systemUsage.getMemoryUsage().setLimit(800 * 1024); |
| |
| PListStoreImpl pListStore = (PListStoreImpl) broker.getTempDataStore(); |
| pListStore.setJournalMaxFileLength(24 * 1024); |
| pListStore.setCleanupInterval(2000); |
| |
| broker.addConnector(TRANSPORT_URL); |
| |
| broker.start(); |
| broker.waitUntilStarted(); |
| TRANSPORT_URL = broker.getTransportConnectorByScheme("tcp").getPublishableConnectString(); |
| |
| } |
| |
| @After |
| public void stopBroker() throws Exception { |
| broker.stop(); |
| } |
| |
| @Test |
| public void testTempPercentUsageDecreases() throws Exception { |
| |
| //create a topic subscriber, but do not consume messages |
| MessageConsumer messageConsumer = createConsumer(); |
| |
| |
| //send X messages with with a sequence number number in the message property. |
| sendMessages(MESSAGES_TO_SEND); |
| |
| |
| final BrokerViewMBean brokerView = getBrokerView(broker); |
| |
| LOG.info("tempPercentageUsage is " + brokerView.getTempPercentUsage()); |
| |
| |
| Wait.waitFor(new Wait.Condition() { |
| @Override |
| public boolean isSatisified() throws Exception { |
| LOG.info("tempPercentageUsage now " + brokerView.getTempPercentUsage()); |
| return brokerView.getTempPercentUsage() > 50; |
| } |
| }); |
| |
| final int tempPercentUsageWithConsumer = brokerView.getTempPercentUsage(); |
| |
| //ensure the tempPercentageUsage is at a high number |
| assertTrue(" tempPercentageUsage ", (50 < tempPercentUsageWithConsumer)); |
| |
| //close the consumer, releasing the temp storage |
| messageConsumer.close(); |
| |
| Wait.waitFor(new Wait.Condition() { |
| @Override |
| public boolean isSatisified() throws Exception { |
| LOG.info("tempPercentageUsage now (after consumer closed) " + brokerView.getTempPercentUsage()); |
| return tempPercentUsageWithConsumer > brokerView.getTempPercentUsage(); |
| } |
| }); |
| |
| assertTrue("tempPercentageUsage should be less after consumer has closed", |
| tempPercentUsageWithConsumer > brokerView.getTempPercentUsage()); |
| |
| |
| } |
| |
| private MessageConsumer createConsumer() throws Exception { |
| ConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "admin", TRANSPORT_URL); |
| Connection connection = connectionFactory.createConnection(); |
| |
| connection.start(); |
| Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| Destination destination = session.createTopic(DESTINATION); |
| |
| MessageConsumer messageConsumer = session.createConsumer(destination); |
| return messageConsumer; |
| } |
| |
| |
| /* |
| Send X message with a sequence number held in "appID" |
| */ |
| private Long sendMessages(int messageCount) throws Exception { |
| |
| long numberOfMessageSent = 0; |
| |
| ConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "admin", TRANSPORT_URL); |
| |
| |
| Connection connection = (ActiveMQConnection) connectionFactory.createConnection(); |
| connection.start(); |
| |
| |
| final String blob = new String(new byte[4 * 1024]); |
| try { |
| |
| Session producerSession = connection.createSession(true, Session.SESSION_TRANSACTED); |
| MessageProducer jmsProducer = producerSession.createProducer(producerSession.createTopic(DESTINATION)); |
| |
| Message sendMessage = producerSession.createTextMessage(blob); |
| |
| for (int i = 0; i < messageCount; i++) { |
| |
| jmsProducer.send(sendMessage); |
| producerSession.commit(); |
| numberOfMessageSent++; |
| |
| } |
| |
| LOG.info(" Finished after producing : " + numberOfMessageSent); |
| return numberOfMessageSent; |
| |
| } catch (Exception ex) { |
| LOG.info("Exception received producing ", ex); |
| LOG.info("finishing after exception :" + numberOfMessageSent); |
| return numberOfMessageSent; |
| } finally { |
| if (connection != null) { |
| connection.close(); |
| } |
| } |
| |
| } |
| |
| |
| private BrokerViewMBean getBrokerView(BrokerService broker) throws Exception { |
| BrokerViewMBean brokerViewMBean = broker.getAdminView(); |
| return brokerViewMBean; |
| |
| } |
| |
| } |
| |