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ProducerFlowControlBaseTest.java
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ProducerFlowControlBaseTest.java
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/**
* 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.artemis.tests.integration.openwire.amq;
import javax.jms.DeliveryMode;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.Session;
import java.io.IOException;
import java.util.Map;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.artemis.core.config.Configuration;
import org.apache.activemq.artemis.core.settings.impl.AddressFullMessagePolicy;
import org.apache.activemq.artemis.core.settings.impl.AddressSettings;
import org.apache.activemq.artemis.tests.integration.openwire.BasicOpenWireTest;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.transport.tcp.TcpTransport;
import org.junit.After;
import org.junit.Before;
public class ProducerFlowControlBaseTest extends BasicOpenWireTest {
ActiveMQQueue queueA = new ActiveMQQueue("QUEUE.A");
ActiveMQQueue queueB = new ActiveMQQueue("QUEUE.B");
protected ActiveMQConnection flowControlConnection;
// used to test sendFailIfNoSpace on SystemUsage
protected final AtomicBoolean gotResourceException = new AtomicBoolean(false);
private Thread asyncThread = null;
protected void fillQueue(final ActiveMQQueue queue) throws JMSException, InterruptedException {
final AtomicBoolean done = new AtomicBoolean(true);
final AtomicBoolean keepGoing = new AtomicBoolean(true);
try {
// Starts an async thread that every time it publishes it sets the done
// flag to false.
// Once the send starts to block it will not reset the done flag
// anymore.
asyncThread = new Thread("Fill thread.") {
@Override
public void run() {
Session session = null;
try {
session = flowControlConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(queue);
producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
while (keepGoing.get()) {
done.set(false);
producer.send(session.createTextMessage("Hello World"));
}
} catch (JMSException e) {
} finally {
safeClose(session);
}
}
};
asyncThread.start();
waitForBlockedOrResourceLimit(done);
} finally {
keepGoing.set(false);
}
}
protected void waitForBlockedOrResourceLimit(final AtomicBoolean done) throws InterruptedException {
while (true) {
Thread.sleep(100);
// the producer is blocked once the done flag stays true or there is a
// resource exception
if (done.get() || gotResourceException.get()) {
break;
}
done.set(true);
}
}
protected CountDownLatch asyncSendTo(final ActiveMQQueue queue, final String message) throws JMSException {
final CountDownLatch done = new CountDownLatch(1);
new Thread("Send thread.") {
@Override
public void run() {
Session session = null;
try {
session = flowControlConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(queue);
producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
producer.send(session.createTextMessage(message));
done.countDown();
} catch (JMSException e) {
e.printStackTrace();
} finally {
safeClose(session);
}
}
}.start();
return done;
}
@Override
protected void extraServerConfig(Configuration serverConfig) {
String match = "#";
Map<String, AddressSettings> asMap = serverConfig.getAddressSettings();
asMap.get(match).setMaxSizeBytes(1).setAddressFullMessagePolicy(AddressFullMessagePolicy.BLOCK);
}
@Override
@Before
public void setUp() throws Exception {
super.setUp();
this.makeSureCoreQueueExist("QUEUE.A");
this.makeSureCoreQueueExist("QUEUE.B");
}
@Override
@After
public void tearDown() throws Exception {
try {
if (flowControlConnection != null) {
TcpTransport t = flowControlConnection.getTransport().narrow(TcpTransport.class);
try {
flowControlConnection.getTransport().stop();
flowControlConnection.close();
} catch (Throwable ignored) {
// sometimes the disposed up can make the test to fail
// even worse I have seen this breaking every single test after this
// if not caught here
}
t.getTransportListener().onException(new IOException("Disposed."));
}
if (asyncThread != null) {
asyncThread.join();
asyncThread = null;
}
} finally {
super.tearDown();
}
}
}