/**
* 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.mqtt;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.TransportConnector;
import org.eclipse.paho.client.mqttv3.MqttClient;
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.Session;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
public class PahoMQTNioTTest extends PahoMQTTTest {
private static final Logger LOG = LoggerFactory.getLogger(PahoMQTNioTTest.class);
@Override
protected String getProtocolScheme() {
return "mqtt+nio";
}
@Test(timeout=300000)
public void testLotsOfClients() throws Exception {
final int CLIENTS = Integer.getInteger("PahoMQTNioTTest.CLIENTS", 100);
LOG.info("Using: "+CLIENTS+" clients");
addMQTTConnector();
TransportConnector openwireTransport = brokerService.addConnector("tcp://localhost:0");
brokerService.start();
ActiveMQConnection activeMQConnection = (ActiveMQConnection) new ActiveMQConnectionFactory(openwireTransport.getConnectUri()).createConnection();
activeMQConnection.start();
Session s = activeMQConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer = s.createConsumer(s.createTopic("test"));
final AtomicInteger receiveCounter = new AtomicInteger();
consumer.setMessageListener(new MessageListener() {
@Override
public void onMessage(Message message) {
receiveCounter.incrementAndGet();
}
});
final AtomicReference<Throwable> asyncError = new AtomicReference<Throwable>();
final CountDownLatch connectedDoneLatch = new CountDownLatch(CLIENTS);
final CountDownLatch disconnectDoneLatch = new CountDownLatch(CLIENTS);
final CountDownLatch sendBarrier = new CountDownLatch(1);
for( int i=0; i < CLIENTS; i++ ) {
Thread.sleep(10);
new Thread(null, null, "client:"+i) {
@Override
public void run() {
try {
MqttClient client = new MqttClient("tcp://localhost:" + mqttConnector.getConnectUri().getPort(), Thread.currentThread().getName(), new MemoryPersistence());
client.connect();
connectedDoneLatch.countDown();
sendBarrier.await();
for( int i=0; i < 10; i++) {
Thread.sleep(1000);
client.publish("test", "hello".getBytes(), 1, false);
}
client.disconnect();
client.close();
} catch (Throwable e) {
e.printStackTrace();
asyncError.set(e);
} finally {
disconnectDoneLatch.countDown();
}
}
}.start();
}
connectedDoneLatch.await();
assertNull("Async error: "+asyncError.get(),asyncError.get());
sendBarrier.countDown();
LOG.info("All clients connected... waiting to receive sent messages...");
// We should eventually get all the messages.
within(30, TimeUnit.SECONDS, new Task() {
@Override
public void run() throws Exception {
assertTrue(receiveCounter.get() == CLIENTS*10);
}
});
LOG.info("All messages received.");
disconnectDoneLatch.await();
assertNull("Async error: "+asyncError.get(),asyncError.get());
}
}