/**
* 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.auto;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Arrays;
import java.util.Collection;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.transport.tcp.TcpTransportServer;
import org.apache.activemq.util.Wait;
import org.apache.activemq.util.Wait.Condition;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.Timeout;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
@RunWith(Parameterized.class)
public class AutoTransportConnectionsTest {
@Rule
public Timeout globalTimeout = new Timeout(60, TimeUnit.SECONDS);
public static final String KEYSTORE_TYPE = "jks";
public static final String PASSWORD = "password";
public static final String SERVER_KEYSTORE = "src/test/resources/server.keystore";
public static final String TRUST_KEYSTORE = "src/test/resources/client.keystore";
private static final int maxConnections = 20;
private final ExecutorService executor = Executors.newCachedThreadPool();
private String connectionUri;
private BrokerService service;
private TransportConnector connector;
private final String transportType;
@Parameters(name="transport={0}")
public static Collection<Object[]> data() {
return Arrays.asList(new Object[][] {
{"auto"},
{"auto+nio"},
{"auto+ssl"},
{"auto+nio+ssl"},
});
}
public AutoTransportConnectionsTest(String transportType) {
super();
this.transportType = transportType;
}
@Before
public void setUp() throws Exception {
System.setProperty("javax.net.ssl.trustStore", TRUST_KEYSTORE);
System.setProperty("javax.net.ssl.trustStorePassword", PASSWORD);
System.setProperty("javax.net.ssl.trustStoreType", KEYSTORE_TYPE);
System.setProperty("javax.net.ssl.keyStore", SERVER_KEYSTORE);
System.setProperty("javax.net.ssl.keyStorePassword", PASSWORD);
System.setProperty("javax.net.ssl.keyStoreType", KEYSTORE_TYPE);
service = new BrokerService();
service.setPersistent(false);
service.setUseJmx(false);
}
@After
public void tearDown() throws Exception {
executor.shutdown();
service.stop();
service.waitUntilStopped();
}
public void configureConnectorAndStart(String bindAddress) throws Exception {
connector = service.addConnector(bindAddress);
connectionUri = connector.getPublishableConnectString();
service.start();
service.waitUntilStarted();
}
protected ConnectionFactory createConnectionFactory() throws Exception {
return new ActiveMQConnectionFactory(connectionUri);
}
@Test
public void testMaxConnectionControl() throws Exception {
configureConnectorAndStart(transportType + "://0.0.0.0:0?maxConnectionThreadPoolSize=10&maximumConnections="+maxConnections);
final ConnectionFactory cf = createConnectionFactory();
final CountDownLatch startupLatch = new CountDownLatch(1);
//create an extra 10 connections above max
for(int i = 0; i < maxConnections + 10; i++) {
final int count = i;
executor.submit(new Runnable() {
@Override
public void run() {
Connection conn = null;
try {
startupLatch.await();
//sleep for a short period of time
Thread.sleep(count * 3);
conn = cf.createConnection();
conn.start();
} catch (Exception e) {
}
}
});
}
TcpTransportServer transportServer = (TcpTransportServer)connector.getServer();
// ensure the max connections is in effect
assertEquals(maxConnections, transportServer.getMaximumConnections());
// No connections at first
assertEquals(0, connector.getConnections().size());
// Release the latch to set up connections in parallel
startupLatch.countDown();
final TransportConnector connector = this.connector;
// Expect the max connections is created
assertTrue("Expected: " + maxConnections + " found: " + connector.getConnections().size(),
Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return connector.getConnections().size() == maxConnections;
}
})
);
}
@Test
public void testConcurrentConnections() throws Exception {
configureConnectorAndStart(transportType + "://0.0.0.0:0");
int connectionAttempts = 50;
ConnectionFactory factory = createConnectionFactory();
final AtomicInteger connectedCount = new AtomicInteger(0);
final CountDownLatch latch = new CountDownLatch(1);
try {
for (int i = 0; i < connectionAttempts; i++) {
executor.execute(new Runnable() {
@Override
public void run() {
try {
latch.await();
Connection con = factory.createConnection();
con.start();
connectedCount.incrementAndGet();
} catch (Exception e) {
//print for debugging but don't fail it might just be the transport stopping
e.printStackTrace();
}
}
});
}
latch.countDown();
//Make sure all attempts connected without error
assertTrue(Wait.waitFor(new Condition() {
@Override
public boolean isSatisified() throws Exception {
return connectedCount.get() == connectionAttempts;
}
}));
} catch (Exception e) {
//print for debugging but don't fail it might just be the transport stopping
e.printStackTrace();
}
}
}