| /** |
| * 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.activemq.transport.discovery; |
| |
| import java.net.URI; |
| import java.util.Map; |
| import java.util.Vector; |
| |
| import javax.jms.Connection; |
| import javax.jms.JMSException; |
| |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.CombinationTestSupport; |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.broker.TransportConnector; |
| import org.apache.activemq.command.DiscoveryEvent; |
| import org.apache.activemq.transport.StubCompositeTransport; |
| import org.apache.activemq.util.URISupport; |
| import org.apache.activemq.util.URISupport.CompositeData; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class DiscoveryTransportNoBrokerTest extends CombinationTestSupport { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(DiscoveryTransportNoBrokerTest.class); |
| |
| public void testNoExtraThreads() throws Exception { |
| BrokerService broker = new BrokerService(); |
| TransportConnector tcp = broker.addConnector("tcp://localhost:0?transport.closeAsync=false"); |
| String group = "GR-" + System.currentTimeMillis(); |
| URI discoveryUri = new URI("multicast://default?group=" + group); |
| tcp.setDiscoveryUri(discoveryUri); |
| broker.start(); |
| broker.waitUntilStarted(); |
| |
| Vector<String> existingNames = new Vector<String>(); |
| Thread[] threads = getThreads(); |
| for (Thread t : threads) { |
| existingNames.add(t.getName()); |
| } |
| final int idleThreadCount = threads.length; |
| LOG.info("Broker started - thread Count:" + idleThreadCount); |
| |
| final int noConnectionToCreate = 10; |
| for (int i=0; i<10;i++) { |
| ActiveMQConnectionFactory factory = |
| new ActiveMQConnectionFactory("discovery:(multicast://239.255.2.3:6155?group=" + group +")?closeAsync=false"); |
| LOG.info("Connecting."); |
| Connection connection = factory.createConnection(); |
| connection.setClientID("test"); |
| connection.close(); |
| } |
| Thread.sleep(2000); |
| threads = getThreads(); |
| for (Thread t : threads) { |
| if (!existingNames.contains(t.getName())) { |
| LOG.info("Remaining thread:" + t); |
| } |
| } |
| assertTrue("no extra threads per connection", Thread.activeCount() - idleThreadCount < noConnectionToCreate); |
| } |
| |
| |
| private Thread[] getThreads() { |
| Thread[] threads = new Thread[Thread.activeCount()]; |
| Thread.enumerate(threads); |
| return threads; |
| } |
| |
| |
| public void testMaxReconnectAttempts() throws JMSException { |
| try { |
| ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("discovery:(multicast://doesNOTexist)"); |
| LOG.info("Connecting."); |
| Connection connection = factory.createConnection(); |
| connection.setClientID("test"); |
| fail("Did not fail to connect as expected."); |
| } |
| catch ( JMSException expected ) { |
| assertTrue("reason is java.io.IOException, was: " + expected.getCause(), expected.getCause() instanceof java.io.IOException); |
| } |
| } |
| |
| public void testInitialConnectDelayWithNoBroker() throws Exception { |
| // the initialReconnectDelay only kicks in once a set of connect URL have |
| // been returned from the discovery agent. |
| // Up to that point the reconnectDelay is used which has a default value of 10 |
| // |
| long initialReconnectDelay = 4000; |
| long startT = System.currentTimeMillis(); |
| String groupId = "WillNotMatch" + startT; |
| try { |
| String urlStr = "discovery:(multicast://default?group=" + groupId + |
| ")?useExponentialBackOff=false&maxReconnectAttempts=2&reconnectDelay=" + initialReconnectDelay; |
| ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(urlStr); |
| LOG.info("Connecting."); |
| Connection connection = factory.createConnection(); |
| connection.setClientID("test"); |
| fail("Did not fail to connect as expected."); |
| } catch ( JMSException expected ) { |
| assertTrue("reason is java.io.IOException, was: " + expected.getCause(), expected.getCause() instanceof java.io.IOException); |
| long duration = System.currentTimeMillis() - startT; |
| assertTrue("took at least initialReconnectDelay time: " + duration + " e:" + expected, duration >= initialReconnectDelay); |
| } |
| } |
| |
| public void testSetDiscoveredBrokerProperties() throws Exception { |
| final String extraParameterName = "connectionTimeout"; |
| final String extraParameterValue = "3000"; |
| final URI uri = new URI("discovery:(multicast://default)?initialReconnectDelay=100&" |
| + DiscoveryListener.DISCOVERED_OPTION_PREFIX + extraParameterName + "=" + extraParameterValue); |
| CompositeData compositeData = URISupport.parseComposite(uri); |
| |
| StubCompositeTransport compositeTransport = new StubCompositeTransport(); |
| DiscoveryTransport discoveryTransport = DiscoveryTransportFactory.createTransport(compositeTransport, compositeData, compositeData.getParameters()); |
| |
| discoveryTransport.onServiceAdd(new DiscoveryEvent("tcp://localhost:61616")); |
| assertEquals("expected added URI after discovery event", compositeTransport.getTransportURIs().length, 1); |
| |
| URI discoveredServiceURI = compositeTransport.getTransportURIs()[0]; |
| Map<String, String> parameters = URISupport.parseParameters(discoveredServiceURI); |
| assertTrue("unable to add parameter to discovered service", parameters.containsKey(extraParameterName)); |
| assertEquals("incorrect value for parameter added to discovered service", parameters.get(extraParameterName), extraParameterValue); |
| } |
| |
| public void testAddRemoveDiscoveredBroker() throws Exception { |
| final URI uri = new URI("discovery:(multicast://default)?initialReconnectDelay=100&connectionTimeout=3000"); |
| CompositeData compositeData = URISupport.parseComposite(uri); |
| |
| StubCompositeTransport compositeTransport = new StubCompositeTransport(); |
| DiscoveryTransport discoveryTransport = DiscoveryTransportFactory.createTransport(compositeTransport, compositeData, compositeData.getParameters()); |
| |
| final String serviceName = "tcp://localhost:61616"; |
| discoveryTransport.onServiceAdd(new DiscoveryEvent(serviceName)); |
| assertEquals("expected added URI after discovery event", 1, compositeTransport.getTransportURIs().length); |
| |
| discoveryTransport.onServiceRemove(new DiscoveryEvent(serviceName)); |
| assertEquals("expected URI removed after discovery event", 0, compositeTransport.getTransportURIs().length); |
| } |
| } |