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From tab...@apache.org
Subject svn commit: r1302641 - /activemq/trunk/activemq-core/src/test/java/org/apache/activemq/usecases/DurableSubProcessMultiRestartTest.java
Date Mon, 19 Mar 2012 20:23:51 GMT
Author: tabish
Date: Mon Mar 19 20:23:51 2012
New Revision: 1302641

URL: http://svn.apache.org/viewvc?rev=1302641&view=rev
Log:
additional test for: https://issues.apache.org/jira/browse/AMQ-3775

Added:
    activemq/trunk/activemq-core/src/test/java/org/apache/activemq/usecases/DurableSubProcessMultiRestartTest.java
  (with props)

Added: activemq/trunk/activemq-core/src/test/java/org/apache/activemq/usecases/DurableSubProcessMultiRestartTest.java
URL: http://svn.apache.org/viewvc/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/usecases/DurableSubProcessMultiRestartTest.java?rev=1302641&view=auto
==============================================================================
--- activemq/trunk/activemq-core/src/test/java/org/apache/activemq/usecases/DurableSubProcessMultiRestartTest.java
(added)
+++ activemq/trunk/activemq-core/src/test/java/org/apache/activemq/usecases/DurableSubProcessMultiRestartTest.java
Mon Mar 19 20:23:51 2012
@@ -0,0 +1,401 @@
+/**
+ * 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 ONDITIONS 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.usecases;
+
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.File;
+import java.util.Vector;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
+import javax.jms.Connection;
+import javax.jms.ConnectionFactory;
+import javax.jms.JMSException;
+import javax.jms.Message;
+import javax.jms.MessageConsumer;
+import javax.jms.MessageProducer;
+import javax.jms.Session;
+
+import org.apache.activemq.ActiveMQConnectionFactory;
+import org.apache.activemq.broker.BrokerFactory;
+import org.apache.activemq.broker.BrokerService;
+import org.apache.activemq.command.ActiveMQTopic;
+import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter;
+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;
+
+public class DurableSubProcessMultiRestartTest {
+    private static final Logger LOG = LoggerFactory.getLogger(DurableSubProcessMultiRestartTest.class);
+
+    public static final long RUNTIME = 1 * 60 * 1000;
+
+    private BrokerService broker;
+    private ActiveMQTopic topic;
+
+    private final ReentrantReadWriteLock processLock = new ReentrantReadWriteLock(true);
+
+    private int restartCount = 0;
+    private final int SUBSCRIPTION_ID = 1;
+
+    static final Vector<Throwable> exceptions = new Vector<Throwable>();
+
+    /**
+     * The test creates a durable subscriber and producer with a broker that is
+     * continually restarted.
+     *
+     * Producer creates a message every .5 seconds -creates a new connection for
+     * each message
+     *
+     * durable subscriber - comes online for 10 seconds, - then goes offline for
+     * a "moment" - repeats the cycle
+     *
+     * approx every 10 seconds the broker restarts. Subscriber and Producer
+     * connections will be closed BEFORE the restart.
+     *
+     * The Durable subscriber is "unsubscribed" before the the end of the test.
+     *
+     * checks for number of kahaDB files left on filesystem.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testProcess() throws Exception {
+
+        DurableSubscriber durableSubscriber = new DurableSubscriber(SUBSCRIPTION_ID);
+        MsgProducer msgProducer = new MsgProducer();
+
+        try {
+            // register the subscription & start messages
+            durableSubscriber.start();
+            msgProducer.start();
+
+            long endTime = System.currentTimeMillis() + RUNTIME;
+
+            while (endTime > System.currentTimeMillis()) {
+                Thread.sleep(10000);
+                restartBroker();
+            }
+        } catch (Throwable e) {
+            exit("ProcessTest.testProcess failed.", e);
+        }
+
+        // wait for threads to finish
+        try {
+            msgProducer.join();
+            durableSubscriber.join();
+        } catch (InterruptedException e) {
+            e.printStackTrace(System.out);
+        }
+
+        // restart broker one last time
+        restartBroker();
+
+        assertTrue("no exceptions: " + exceptions, exceptions.isEmpty());
+
+        final KahaDBPersistenceAdapter pa = (KahaDBPersistenceAdapter) broker.getPersistenceAdapter();
+        assertTrue("only one journal file should be left: " + pa.getStore().getJournal().getFileMap().size(),
+            Wait.waitFor(new Wait.Condition() {
+
+                @Override
+                public boolean isSatisified() throws Exception {
+                    return pa.getStore().getJournal().getFileMap().size() == 1;
+                }
+            }, TimeUnit.MINUTES.toMillis(3))
+        );
+
+        LOG.info("DONE.");
+    }
+
+    private void restartBroker() throws Exception {
+        LOG.info("Broker restart: waiting for components.");
+
+        processLock.writeLock().lock();
+        try {
+            destroyBroker();
+            startBroker(false);
+
+            restartCount++;
+            LOG.info("Broker restarted. count: " + restartCount);
+        } finally {
+            processLock.writeLock().unlock();
+        }
+    }
+
+    /**
+     * Producers messages
+     *
+     */
+    final class MsgProducer extends Thread {
+
+        String url = "vm://" + DurableSubProcessMultiRestartTest.getName();
+
+        final ConnectionFactory cf = new ActiveMQConnectionFactory(url);
+
+        private long msgCount;
+        int messageRover = 0;
+
+        public MsgProducer() {
+            super("MsgProducer");
+            setDaemon(true);
+        }
+
+        @Override
+        public void run() {
+
+            long endTime = RUNTIME + System.currentTimeMillis();
+
+            try {
+                while (endTime > System.currentTimeMillis()) {
+
+                    Thread.sleep(500);
+
+                    processLock.readLock().lock();
+                    try {
+                        send();
+                    } finally {
+                        processLock.readLock().unlock();
+                    }
+                    LOG.info("MsgProducer msgCount=" + msgCount);
+                }
+            } catch (Throwable e) {
+                exit("Server.run failed", e);
+            }
+        }
+
+        public void send() throws JMSException {
+
+            LOG.info("Sending ... ");
+
+            Connection con = cf.createConnection();
+
+            Session sess = con.createSession(false, Session.AUTO_ACKNOWLEDGE);
+
+            MessageProducer prod = sess.createProducer(null);
+            Message message = sess.createMessage();
+            message.setIntProperty("ID", ++messageRover);
+            message.setBooleanProperty("COMMIT", true);
+            prod.send(topic, message);
+
+            msgCount++;
+            LOG.info("Message Sent.");
+
+            sess.close();
+            con.close();
+        }
+    }
+
+    /**
+     * Consumes massages from a durable subscription. Goes online/offline
+     * periodically.
+     */
+    private final class DurableSubscriber extends Thread {
+
+        String url = "tcp://localhost:61656";
+
+        final ConnectionFactory cf = new ActiveMQConnectionFactory(url);
+
+        public static final String SUBSCRIPTION_NAME = "subscription";
+
+        private final int id;
+        private final String conClientId;
+        private long msgCount;
+
+        public DurableSubscriber(int id) throws JMSException {
+            super("DurableSubscriber" + id);
+            setDaemon(true);
+
+            this.id = id;
+            conClientId = "cli" + id;
+
+            subscribe();
+        }
+
+        @Override
+        public void run() {
+
+            long end = System.currentTimeMillis() + RUNTIME;
+
+            try {
+
+                // while (true) {
+                while (end > System.currentTimeMillis()) {
+
+                    processLock.readLock().lock();
+                    try {
+                        process(5000);
+                    } finally {
+                        processLock.readLock().unlock();
+                    }
+                }
+
+                unsubscribe();
+
+            } catch (Throwable e) {
+                exit(toString() + " failed.", e);
+            }
+
+            LOG.info(toString() + " DONE. MsgCout=" + msgCount);
+        }
+
+        private void process(long duration) throws JMSException {
+            LOG.info(toString() + " ONLINE.");
+
+            Connection con = openConnection();
+            Session sess = con.createSession(false, Session.AUTO_ACKNOWLEDGE);
+
+            MessageConsumer consumer = sess.createDurableSubscriber(topic, SUBSCRIPTION_NAME);
+
+            long end = System.currentTimeMillis() + duration;
+
+            try {
+                while (end > System.currentTimeMillis()) {
+                    Message message = consumer.receive(100);
+                    if (message != null) {
+                        LOG.info(toString() + "received message...");
+                        msgCount++;
+                    }
+                }
+            } finally {
+                sess.close();
+                con.close();
+                LOG.info(toString() + " OFFLINE.");
+            }
+        }
+
+        private Connection openConnection() throws JMSException {
+            Connection con = cf.createConnection();
+            con.setClientID(conClientId);
+            con.start();
+            return con;
+        }
+
+        private void subscribe() throws JMSException {
+            Connection con = openConnection();
+            Session session = con.createSession(false, Session.AUTO_ACKNOWLEDGE);
+
+            session.createDurableSubscriber(topic, SUBSCRIPTION_NAME);
+            LOG.info(toString() + " SUBSCRIBED");
+
+            session.close();
+            con.close();
+        }
+
+        private void unsubscribe() throws JMSException {
+            Connection con = openConnection();
+            Session session = con.createSession(false, Session.AUTO_ACKNOWLEDGE);
+            session.unsubscribe(SUBSCRIPTION_NAME);
+            LOG.info(toString() + " UNSUBSCRIBED");
+
+            session.close();
+            con.close();
+        }
+
+        @Override
+        public String toString() {
+            return "DurableSubscriber[id=" + id + "]";
+        }
+    }
+
+    // -------- helper methods -----------
+
+    public static void exit(String message) {
+        exit(message, null);
+    }
+
+    public static void exit(String message, Throwable e) {
+        Throwable cause = new RuntimeException(message, e);
+        LOG.error(message, cause);
+        exceptions.add(cause);
+        fail(cause.toString());
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        topic = new ActiveMQTopic("TopicT");
+        startBroker();
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        destroyBroker();
+    }
+
+    private void startBroker() throws Exception {
+        startBroker(true);
+    }
+
+    private void startBroker(boolean deleteAllMessages) throws Exception {
+        if (broker != null)
+            return;
+
+        broker = BrokerFactory.createBroker("broker:(vm://" + getName() + ")");
+        broker.setBrokerName(getName());
+        broker.setAdvisorySupport(false);
+        broker.setDeleteAllMessagesOnStartup(deleteAllMessages);
+
+        broker.setKeepDurableSubsActive(true);
+
+        File kahadbData = new File("activemq-data/" + getName() + "-kahadb");
+        if (deleteAllMessages)
+            delete(kahadbData);
+
+        broker.setPersistent(true);
+        KahaDBPersistenceAdapter kahadb = new KahaDBPersistenceAdapter();
+        kahadb.setDirectory(kahadbData);
+        kahadb.setJournalMaxFileLength(20 * 1024);
+        broker.setPersistenceAdapter(kahadb);
+
+        broker.addConnector("tcp://localhost:61656");
+
+        broker.getSystemUsage().getMemoryUsage().setLimit(256 * 1024 * 1024);
+        broker.getSystemUsage().getTempUsage().setLimit(256 * 1024 * 1024);
+        broker.getSystemUsage().getStoreUsage().setLimit(256 * 1024 * 1024);
+
+        broker.start();
+    }
+
+    protected static String getName() {
+        return "DurableSubProcessMultiRestartTest";
+    }
+
+    private static boolean delete(File path) {
+        if (path == null)
+            return true;
+
+        if (path.isDirectory()) {
+            for (File file : path.listFiles()) {
+                delete(file);
+            }
+        }
+        return path.delete();
+    }
+
+    private void destroyBroker() throws Exception {
+        if (broker == null)
+            return;
+
+        broker.stop();
+        broker = null;
+    }
+}

Propchange: activemq/trunk/activemq-core/src/test/java/org/apache/activemq/usecases/DurableSubProcessMultiRestartTest.java
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    svn:eol-style = native



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