/**
* 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.network;
import javax.management.ObjectName;
import java.net.MalformedURLException;
import java.util.Set;
import org.apache.activemq.broker.BrokerService;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.junit.Assert.assertEquals;
import static org.junit.Assume.assumeNotNull;
public class DuplexNetworkMBeanTest {
protected static final Logger LOG = LoggerFactory.getLogger(DuplexNetworkMBeanTest.class);
protected final int numRestarts = 3;
protected BrokerService createBroker() throws Exception {
BrokerService broker = new BrokerService();
broker.setBrokerName("broker");
broker.addConnector("tcp://localhost:61617?transport.reuseAddress=true");
return broker;
}
protected BrokerService createNetworkedBroker() throws Exception {
BrokerService broker = new BrokerService();
broker.setBrokerName("networkedBroker");
broker.addConnector("tcp://localhost:62617?transport.reuseAddress=true");
NetworkConnector networkConnector = broker.addNetworkConnector("static:(tcp://localhost:61617?wireFormat.maxInactivityDuration=500)?useExponentialBackOff=false");
networkConnector.setDuplex(true);
return broker;
}
@Test
public void testMbeanPresenceOnNetworkBrokerRestart() throws Exception {
BrokerService broker = createBroker();
try {
broker.start();
assertEquals(1, countMbeans(broker, "connector", 30000));
assertEquals(0, countMbeans(broker, "connectionName"));
BrokerService networkedBroker = null;
for (int i = 0; i < numRestarts; i++) {
networkedBroker = createNetworkedBroker();
try {
networkedBroker.start();
assertEquals(1, countMbeans(networkedBroker, "networkBridge", 2000));
assertEquals(1, countMbeans(broker, "networkBridge", 2000));
assertEquals(2, countMbeans(broker, "connectionName"));
} finally {
networkedBroker.stop();
networkedBroker.waitUntilStopped();
}
assertEquals(0, countMbeans(networkedBroker, "stopped"));
assertEquals(0, countMbeans(broker, "networkBridge"));
}
assertEquals(0, countMbeans(networkedBroker, "networkBridge"));
assertEquals(0, countMbeans(networkedBroker, "connector"));
assertEquals(0, countMbeans(networkedBroker, "connectionName"));
assertEquals(1, countMbeans(broker, "connector"));
} finally {
broker.stop();
broker.waitUntilStopped();
}
}
@Test
public void testMbeanPresenceOnBrokerRestart() throws Exception {
BrokerService networkedBroker = createNetworkedBroker();
try {
networkedBroker.start();
assertEquals(1, countMbeans(networkedBroker, "connector=networkConnectors", 30000));
assertEquals(0, countMbeans(networkedBroker, "connectionName"));
BrokerService broker = null;
for (int i = 0; i < numRestarts; i++) {
broker = createBroker();
try {
broker.start();
assertEquals(1, countMbeans(networkedBroker, "networkBridge", 5000));
assertEquals("restart number: " + i, 2, countMbeans(broker, "connectionName", 10000));
} finally {
broker.stop();
broker.waitUntilStopped();
}
assertEquals(0, countMbeans(broker, "stopped"));
}
assertEquals(1, countMbeans(networkedBroker, "connector=networkConnectors"));
assertEquals(0, countMbeans(networkedBroker, "connectionName"));
assertEquals(0, countMbeans(broker, "connectionName"));
} finally {
networkedBroker.stop();
networkedBroker.waitUntilStopped();
}
}
private int countMbeans(BrokerService broker, String type) throws Exception {
return countMbeans(broker, type, 0);
}
private int countMbeans(BrokerService broker, String type, int timeout) throws Exception {
final long expiryTime = System.currentTimeMillis() + timeout;
if (!type.contains("=")) {
type = type + "=*";
}
final ObjectName beanName = new ObjectName("org.apache.activemq:type=Broker,brokerName=" + broker.getBrokerName() + "," + type + ",*");
Set<ObjectName> mbeans = null;
int count = 0;
do {
if (timeout > 0) {
Thread.sleep(100);
}
LOG.info("Query name: " + beanName);
mbeans = broker.getManagementContext().queryNames(beanName, null);
if (mbeans != null) {
count = mbeans.size();
} else {
logAllMbeans(broker);
}
} while ((mbeans == null || mbeans.isEmpty()) && expiryTime > System.currentTimeMillis());
// If port 1099 is in use when the Broker starts, starting the jmx connector
// will fail. So, if we have no mbsc to query, skip the test.
if (timeout > 0) {
assumeNotNull(mbeans);
}
return count;
}
private void logAllMbeans(BrokerService broker) throws MalformedURLException {
try {
// trace all existing MBeans
Set<ObjectName> all = broker.getManagementContext().queryNames(null, null);
LOG.info("Total MBean count=" + all.size());
for (ObjectName on : all) {
LOG.info(on.toString());
}
} catch (Exception ignored) {
LOG.warn("getMBeanServer ex: " + ignored);
}
}
}