/*
* 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.broker;
import java.util.concurrent.atomic.AtomicReference;
import javax.jms.Connection;
import javax.jms.InvalidClientIDException;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.util.Wait;
import org.apache.activemq.util.Wait.Condition;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
public class LinkStealingTest {
private static final Logger LOG = LoggerFactory.getLogger(LinkStealingTest.class);
private BrokerService brokerService;
private final AtomicReference<Throwable> removeException = new AtomicReference<Throwable>();
private String stealableConnectionURI;
private String unstealableConnectionURI;
@Before
public void setUp() throws Exception {
brokerService = new BrokerService();
brokerService.setPersistent(false);
brokerService.setPlugins(new BrokerPlugin[] { new BrokerPluginSupport() {
@Override
public void removeConnection(ConnectionContext context, ConnectionInfo info, Throwable error) throws Exception {
LOG.info("Remove Connection called for connection [{}] with error: {}", info.getConnectionId(), error);
removeException.set(error);
super.removeConnection(context, info, error);
}
}});
stealableConnectionURI = brokerService.addConnector("tcp://0.0.0.0:0?allowLinkStealing=true").getPublishableConnectString();
unstealableConnectionURI = brokerService.addConnector("tcp://0.0.0.0:0?allowLinkStealing=false").getPublishableConnectString();
brokerService.start();
}
@After
public void tearDown() throws Exception {
if (brokerService != null) {
brokerService.stop();
brokerService = null;
}
}
@Test(timeout = 60000)
public void testStealLinkFails() throws Exception {
final String clientID = "ThisIsAClientId";
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(unstealableConnectionURI);
Connection connection1 = factory.createConnection();
connection1.setClientID(clientID);
connection1.start();
try {
Connection connection2 = factory.createConnection();
connection2.setClientID(clientID);
connection2.start();
fail("Should not have been able to steal the link.");
} catch (InvalidClientIDException e) {
LOG.info("Caught expected error on trying to steal link: {}", e.getMessage());
LOG.trace("Error: ", e);
}
}
@Test(timeout = 60000)
public void testStealLinkSuccess() throws Exception {
final String clientID = "ThisIsAClientId";
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(stealableConnectionURI);
Connection connection1 = factory.createConnection();
connection1.setClientID(clientID);
connection1.start();
try {
Connection connection2 = factory.createConnection();
connection2.setClientID(clientID);
connection2.start();
} catch (InvalidClientIDException e) {
LOG.info("Should not have failed while stealing the link: {}", e.getMessage());
LOG.info("Error details: ", e);
fail("Shouldn't have failed when stealing the link");
} catch (Throwable error) {
LOG.info("Unexpected exception ", error);
fail("Unexcpected exception causes test failure");
}
//Need to wait because removeConnection might not be called yet
assertTrue(Wait.waitFor(new Condition() {
@Override
public boolean isSatisified() throws Exception {
return removeException.get() != null;
}
}, 5000, 100));
LOG.info("removeException: {}", removeException.get().getMessage());
}
}