| /* |
| * |
| * 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.test.unit.transacted; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.client.AMQConnection; |
| import org.apache.qpid.client.AMQConnectionURL; |
| import org.apache.qpid.client.AMQQueue; |
| import org.apache.qpid.client.AMQSession; |
| import org.apache.qpid.framing.AMQShortString; |
| import org.apache.qpid.jms.ConnectionURL; |
| import org.apache.qpid.jms.Session; |
| import org.apache.qpid.protocol.AMQConstant; |
| import org.apache.qpid.test.utils.QpidBrokerTestCase; |
| import org.apache.qpid.util.LogMonitor; |
| |
| import javax.jms.DeliveryMode; |
| import javax.jms.ExceptionListener; |
| import javax.jms.JMSException; |
| import javax.jms.Message; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Queue; |
| import javax.jms.TextMessage; |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /** |
| * The {@link TestCase} for transaction timeout testing. |
| */ |
| public abstract class TransactionTimeoutTestCase extends QpidBrokerTestCase implements ExceptionListener |
| { |
| private static final int ALERT_MESSAGE_TOLERANCE = 6; |
| public static final String VIRTUALHOST = "test"; |
| public static final String TEXT = "0123456789abcdefghiforgettherest"; |
| public static final String CHN_OPEN_TXN = "CHN-1007"; |
| public static final String CHN_IDLE_TXN = "CHN-1008"; |
| public static final String IDLE = "Idle"; |
| public static final String OPEN = "Open"; |
| |
| protected LogMonitor _monitor; |
| protected AMQConnection _con; |
| protected Session _psession, _csession; |
| protected Queue _queue; |
| protected MessageConsumer _consumer; |
| protected MessageProducer _producer; |
| private CountDownLatch _exceptionLatch = new CountDownLatch(1); |
| protected AtomicInteger _exceptionCount = new AtomicInteger(0); |
| protected String _message; |
| protected Exception _exception; |
| protected AMQConstant _code; |
| |
| /** |
| * Subclasses must implement this to configure transaction timeout parameters. |
| */ |
| protected abstract void configure() throws Exception; |
| |
| protected void setUp() throws Exception |
| { |
| // Configure timeouts |
| configure(); |
| |
| // Monitor log file |
| _monitor = new LogMonitor(_outputFile); |
| |
| // Start broker |
| super.setUp(); |
| |
| // Connect to broker |
| String broker = ("tcp://localhost:" + DEFAULT_PORT); |
| ConnectionURL url = new AMQConnectionURL("amqp://guest:guest@clientid/test?brokerlist='" + broker + "'&maxprefetch='1'"); |
| _con = (AMQConnection) getConnection(url); |
| _con.setExceptionListener(this); |
| _con.start(); |
| |
| // Create queue |
| Session qsession = _con.createSession(true, Session.SESSION_TRANSACTED); |
| AMQShortString queueName = new AMQShortString("test"); |
| _queue = new AMQQueue(qsession.getDefaultQueueExchangeName(), queueName, queueName, false, true); |
| qsession.close(); |
| |
| // Create producer and consumer |
| producer(); |
| consumer(); |
| } |
| |
| protected void tearDown() throws Exception |
| { |
| try |
| { |
| _con.close(); |
| } |
| finally |
| { |
| super.tearDown(); |
| } |
| } |
| |
| /** |
| * Create a transacted persistent message producer session. |
| */ |
| protected void producer() throws Exception |
| { |
| _psession = _con.createSession(true, Session.SESSION_TRANSACTED); |
| _producer = _psession.createProducer(_queue); |
| _producer.setDeliveryMode(DeliveryMode.PERSISTENT); |
| } |
| |
| /** |
| * Create a transacted message consumer session. |
| */ |
| protected void consumer() throws Exception |
| { |
| _csession = _con.createSession(true, Session.SESSION_TRANSACTED); |
| _consumer = _csession.createConsumer(_queue); |
| } |
| |
| /** |
| * Send a number of messages to the queue, optionally pausing after each. |
| * |
| * Need to sync to ensure that the Broker has received the message(s) in order |
| * the test and broker start timing the idle transaction from the same point in time. |
| */ |
| protected void send(int count, float delay) throws Exception |
| { |
| for (int i = 0; i < count; i++) |
| { |
| sleep(delay); |
| Message msg = _psession.createTextMessage(TEXT); |
| msg.setIntProperty("i", i); |
| _producer.send(msg); |
| } |
| |
| ((AMQSession<?, ?>)_psession).sync(); |
| } |
| |
| /** |
| * Sleep for a number of seconds. |
| */ |
| protected void sleep(float seconds) throws Exception |
| { |
| try |
| { |
| Thread.sleep((long) (seconds * 1000.0f)); |
| } |
| catch (InterruptedException ie) |
| { |
| throw new RuntimeException("Interrupted"); |
| } |
| } |
| |
| /** |
| * Check for idle and open messages. |
| * |
| * Either exactly zero messages, or +-2 error accepted around the specified number. |
| */ |
| protected void monitor(int idle, int open) throws Exception |
| { |
| List<String> idleMsgs = _monitor.findMatches(CHN_IDLE_TXN); |
| List<String> openMsgs = _monitor.findMatches(CHN_OPEN_TXN); |
| |
| String idleErr = "Expected " + idle + " but found " + idleMsgs.size() + " txn idle messages"; |
| String openErr = "Expected " + open + " but found " + openMsgs.size() + " txn open messages"; |
| |
| if (idle == 0) |
| { |
| assertTrue(idleErr, idleMsgs.isEmpty()); |
| } |
| else |
| { |
| assertTrue(idleErr, idleMsgs.size() >= idle - ALERT_MESSAGE_TOLERANCE && idleMsgs.size() <= idle + ALERT_MESSAGE_TOLERANCE); |
| } |
| |
| if (open == 0) |
| { |
| assertTrue(openErr, openMsgs.isEmpty()); |
| } |
| else |
| { |
| assertTrue(openErr, openMsgs.size() >= open - ALERT_MESSAGE_TOLERANCE && openMsgs.size() <= open + ALERT_MESSAGE_TOLERANCE); |
| } |
| } |
| |
| /** |
| * Receive a number of messages, optionally pausing after each. |
| */ |
| protected void expect(int count, float delay) throws Exception |
| { |
| for (int i = 0; i < count; i++) |
| { |
| sleep(delay); |
| Message msg = _consumer.receive(1000); |
| assertNotNull("Message should not be null", msg); |
| assertTrue("Message should be a text message", msg instanceof TextMessage); |
| assertEquals("Message content does not match expected", TEXT, ((TextMessage) msg).getText()); |
| assertEquals("Message order is incorrect", i, msg.getIntProperty("i")); |
| } |
| } |
| |
| /** |
| * Checks that the correct exception was thrown and was received |
| * by the listener with a 506 error code. |
| */ |
| protected void check(String reason)throws InterruptedException |
| { |
| assertTrue("Should have caught exception in listener", _exceptionLatch.await(1, TimeUnit.SECONDS)); |
| assertNotNull("Should have thrown exception to client", _exception); |
| assertTrue("Exception message should contain '" + reason + "': " + _message, _message.contains(reason + " transaction timed out")); |
| assertNotNull("Exception should have an error code", _code); |
| assertEquals("Error code should be 506", AMQConstant.RESOURCE_ERROR, _code); |
| } |
| |
| /** @see javax.jms.ExceptionListener#onException(javax.jms.JMSException) */ |
| public void onException(JMSException jmse) |
| { |
| _exceptionLatch.countDown(); |
| _exceptionCount.incrementAndGet(); |
| |
| _message = jmse.getLinkedException().getMessage(); |
| if (jmse.getLinkedException() instanceof AMQException) |
| { |
| _code = ((AMQException) jmse.getLinkedException()).getErrorCode(); |
| } |
| } |
| |
| protected int getNumberOfDeliveredExceptions() |
| { |
| return _exceptionCount.get(); |
| } |
| } |