/**
* 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.net.URI;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import javax.jms.ConnectionFactory;
import javax.jms.ExceptionListener;
import javax.jms.JMSException;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class NioQueueSubscriptionTest extends QueueSubscriptionTest {
protected static final Logger LOG = LoggerFactory.getLogger(NioQueueSubscriptionTest.class);
private final Map<Thread, Throwable> exceptions = Collections.synchronizedMap(new HashMap<Thread, Throwable>());
@Override
protected ConnectionFactory createConnectionFactory() throws Exception {
return new ActiveMQConnectionFactory("tcp://localhost:62621?trace=false");
}
@Override
protected void setUp() throws Exception {
// setMaxTestTime(20*60*1000);
super.setUp();
}
@Override
protected BrokerService createBroker() throws Exception {
BrokerService answer = BrokerFactory.createBroker(new URI(
"broker://nio://localhost:62621?useQueueForAccept=false&persistent=false&wiewformat.maxInactivityDuration=0"));
answer.getManagementContext().setCreateConnector(false);
answer.setUseJmx(false);
answer.setDeleteAllMessagesOnStartup(true);
final List<PolicyEntry> policyEntries = new ArrayList<PolicyEntry>();
final PolicyEntry entry = new PolicyEntry();
entry.setQueue(">");
entry.setOptimizedDispatch(true);
policyEntries.add(entry);
final PolicyMap policyMap = new PolicyMap();
policyMap.setPolicyEntries(policyEntries);
answer.setDestinationPolicy(policyMap);
return answer;
}
public void testLotsOfConcurrentConnections() throws Exception {
ExecutorService executor = Executors.newCachedThreadPool();
final ConnectionFactory factory = createConnectionFactory();
int connectionCount = 400;
final AtomicInteger threadId = new AtomicInteger(0);
for (int i = 0; i < connectionCount; i++) {
executor.execute(new Runnable() {
@Override
public void run() {
final int innerId = threadId.incrementAndGet();
try {
ExceptionListener listener = new NioQueueSubscriptionTestListener(innerId, exceptions, LOG);
ActiveMQConnection connection = (ActiveMQConnection) factory.createConnection();
connection.setExceptionListener(listener);
connection.start();
assertNotNull(connection.getBrokerName());
connections.add(connection);
} catch (Exception e) {
LOG.error(">>>> Exception in run() on thread " + innerId, e);
exceptions.put(Thread.currentThread(), e);
}
}
});
}
executor.shutdown();
executor.awaitTermination(30, TimeUnit.SECONDS);
if (!exceptions.isEmpty()) {
LOG.error(">>>> " + exceptions.size() + " exceptions like", exceptions.values().iterator().next());
fail("unexpected exceptions in worker threads: " + exceptions.values().iterator().next());
}
LOG.info("created " + connectionCount + " connections");
}
}
class NioQueueSubscriptionTestListener implements ExceptionListener {
private int id = 0;
protected Logger LOG;
private final Map<Thread, Throwable> exceptions;
public NioQueueSubscriptionTestListener(int id, Map<Thread, Throwable> exceptions, Logger log) {
this.id = id;
this.exceptions = exceptions;
this.LOG = log;
}
@Override
public void onException(JMSException exception) {
LOG.error(">>>> Exception in onException() on thread " + id, exception);
exceptions.put(Thread.currentThread(), exception);
}
}