/**
* 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 java.util.Vector;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.AutoFailTestSupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQMessage;
import org.apache.activemq.util.ByteSequence;
import org.fusesource.mqtt.client.BlockingConnection;
import org.fusesource.mqtt.client.MQTT;
import org.fusesource.mqtt.client.Message;
import org.fusesource.mqtt.client.QoS;
import org.fusesource.mqtt.client.Topic;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.fusesource.hawtbuf.UTF8Buffer.utf8;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
public class MQTTTest {
protected static final Logger LOG = LoggerFactory.getLogger(MQTTTest.class);
protected BrokerService brokerService;
protected Vector<Throwable> exceptions = new Vector<Throwable>();
protected int numberOfMessages;
AutoFailTestSupport autoFailTestSupport = new AutoFailTestSupport() {};
@Before
public void startBroker() throws Exception {
autoFailTestSupport.startAutoFailThread();
exceptions.clear();
brokerService = new BrokerService();
brokerService.setPersistent(false);
brokerService.setAdvisorySupport(false);
this.numberOfMessages = 2000;
}
@After
public void stopBroker() throws Exception {
if (brokerService != null) {
brokerService.stop();
}
autoFailTestSupport.stopAutoFailThread();
}
@Test
public void testSendAndReceiveMQTT() throws Exception {
addMQTTConnector(brokerService);
brokerService.start();
MQTT mqtt = new MQTT();
final BlockingConnection subscribeConnection = mqtt.blockingConnection();
subscribeConnection.connect();
Topic topic = new Topic("foo/bah",QoS.AT_MOST_ONCE);
Topic[] topics = {topic};
subscribeConnection.subscribe(topics);
final CountDownLatch latch = new CountDownLatch(numberOfMessages);
Thread thread = new Thread(new Runnable() {
public void run() {
for (int i = 0; i < numberOfMessages; i++){
try {
Message message = subscribeConnection.receive();
message.ack();
latch.countDown();
} catch (Exception e) {
e.printStackTrace();
break;
}
}
}
});
thread.start();
BlockingConnection publisherConnection = mqtt.blockingConnection();
publisherConnection.connect();
for (int i = 0; i < numberOfMessages; i++){
String payload = "Message " + i;
publisherConnection.publish(topic.name().toString(),payload.getBytes(),QoS.AT_LEAST_ONCE,false);
}
latch.await(10, TimeUnit.SECONDS);
assertEquals(0, latch.getCount());
}
@Test
public void testSendAndReceiveAtMostOnce() throws Exception {
addMQTTConnector(brokerService);
brokerService.start();
MQTT mqtt = createMQTTConnection();
mqtt.setKeepAlive(Short.MAX_VALUE);
BlockingConnection connection = mqtt.blockingConnection();
connection.connect();
Topic[] topics = {new Topic(utf8("foo"), QoS.AT_MOST_ONCE)};
connection.subscribe(topics);
for (int i = 0; i < numberOfMessages; i++) {
String payload = "Test Message: " + i;
connection.publish("foo", payload.getBytes(), QoS.AT_MOST_ONCE, false);
Message message = connection.receive();
assertEquals(payload, new String(message.getPayload()));
}
connection.disconnect();
}
@Test
public void testSendAndReceiveAtLeastOnce() throws Exception {
addMQTTConnector(brokerService);
brokerService.start();
MQTT mqtt = createMQTTConnection();
mqtt.setKeepAlive(Short.MAX_VALUE);
BlockingConnection connection = mqtt.blockingConnection();
connection.connect();
Topic[] topics = {new Topic(utf8("foo"), QoS.AT_LEAST_ONCE)};
connection.subscribe(topics);
for (int i = 0; i < numberOfMessages; i++) {
String payload = "Test Message: " + i;
connection.publish("foo", payload.getBytes(), QoS.AT_LEAST_ONCE, false);
Message message = connection.receive();
message.ack();
assertEquals(payload, new String(message.getPayload()));
}
connection.disconnect();
}
@Test
public void testSendAndReceiveExactlyOnce() throws Exception {
addMQTTConnector(brokerService);
brokerService.start();
MQTT publisher = createMQTTConnection();
BlockingConnection pubConnection = publisher.blockingConnection();
pubConnection.connect();
MQTT subscriber = createMQTTConnection();
BlockingConnection subConnection = subscriber.blockingConnection();
subConnection.connect();
Topic[] topics = {new Topic(utf8("foo"), QoS.EXACTLY_ONCE)};
subConnection.subscribe(topics);
for (int i = 0; i < numberOfMessages; i++) {
String payload = "Test Message: " + i;
pubConnection.publish("foo", payload.getBytes(), QoS.EXACTLY_ONCE, false);
Message message = subConnection.receive();
message.ack();
assertEquals(payload, new String(message.getPayload()));
}
subConnection.disconnect();
pubConnection.disconnect();
}
@Test
public void testSendAndReceiveLargeMessages() throws Exception {
byte[] payload = new byte[1024 * 32];
for (int i = 0; i < payload.length; i++){
payload[i] = '2';
}
addMQTTConnector(brokerService);
brokerService.start();
MQTT publisher = createMQTTConnection();
BlockingConnection pubConnection = publisher.blockingConnection();
pubConnection.connect();
MQTT subscriber = createMQTTConnection();
BlockingConnection subConnection = subscriber.blockingConnection();
subConnection.connect();
Topic[] topics = {new Topic(utf8("foo"), QoS.AT_LEAST_ONCE)};
subConnection.subscribe(topics);
for (int i = 0; i < 10; i++) {
pubConnection.publish("foo", payload, QoS.AT_LEAST_ONCE, false);
Message message = subConnection.receive();
message.ack();
assertArrayEquals(payload, message.getPayload());
}
subConnection.disconnect();
pubConnection.disconnect();
}
@Test
public void testSendMQTTReceiveJMS() throws Exception {
addMQTTConnector(brokerService);
brokerService.addConnector(ActiveMQConnectionFactory.DEFAULT_BROKER_BIND_URL);
brokerService.start();
MQTT mqtt = createMQTTConnection();
BlockingConnection connection = mqtt.blockingConnection();
final String DESTINATION_NAME = "foo.*";
connection.connect();
ActiveMQConnection activeMQConnection = (ActiveMQConnection) new ActiveMQConnectionFactory().createConnection();
activeMQConnection.start();
Session s = activeMQConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
javax.jms.Topic jmsTopic = s.createTopic(DESTINATION_NAME);
MessageConsumer consumer = s.createConsumer(jmsTopic);
for (int i = 0; i < numberOfMessages; i++) {
String payload = "Test Message: " + i;
connection.publish("foo/bah", payload.getBytes(), QoS.AT_LEAST_ONCE, false);
ActiveMQMessage message = (ActiveMQMessage) consumer.receive();
ByteSequence bs = message.getContent();
assertEquals(payload, new String(bs.data, bs.offset, bs.length));
}
activeMQConnection.close();
connection.disconnect();
}
@Test
public void testSendJMSReceiveMQTT() throws Exception {
addMQTTConnector(brokerService);
brokerService.addConnector(ActiveMQConnectionFactory.DEFAULT_BROKER_BIND_URL);
brokerService.start();
MQTT mqtt = createMQTTConnection();
mqtt.setKeepAlive(Short.MAX_VALUE);
BlockingConnection connection = mqtt.blockingConnection();
connection.connect();
ActiveMQConnection activeMQConnection = (ActiveMQConnection) new ActiveMQConnectionFactory().createConnection();
activeMQConnection.start();
Session s = activeMQConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
javax.jms.Topic jmsTopic = s.createTopic("foo.far");
MessageProducer producer = s.createProducer(jmsTopic);
Topic[] topics = {new Topic(utf8("foo/+"), QoS.AT_MOST_ONCE)};
connection.subscribe(topics);
for (int i = 0; i < numberOfMessages; i++) {
String payload = "This is Test Message: " + i;
TextMessage sendMessage = s.createTextMessage(payload);
producer.send(sendMessage);
Message message = connection.receive();
message.ack();
assertEquals(payload, new String(message.getPayload()));
}
connection.disconnect();
}
protected void addMQTTConnector(BrokerService brokerService) throws Exception {
brokerService.addConnector("mqtt://localhost:1883");
}
protected MQTT createMQTTConnection() throws Exception {
MQTT mqtt = new MQTT();
mqtt.setHost("localhost", 1883);
return mqtt;
}
}