@Override
protected void setUp() throws Exception {
executor = Executors.newFixedThreadPool(20);
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost");
connection = (ActiveMQConnection) factory.createConnection();
connection.start();
}
public static void main(String[] args) throws JMSException {
String user = env("ACTIVEMQ_USER", "");
String password = env("ACTIVEMQ_PASSWORD", "");
String host = env("ACTIVEMQ_HOST", "localhost");
int port = Integer.parseInt(env("ACTIVEMQ_PORT", "61616"));
String destination = arg(args, 0, "foo.bar");
int messages = 10;
int size = 256;
String DATA = "abcdefghijklmnopqrstuvwxyz";
String body = "";
for (int i = 0; i < size; i++) {
body += DATA.charAt(i % DATA.length());
}
ActiveMQConnectionFactory factory =
new ActiveMQConnectionFactory(
"tcp://" + host + ":" + port + "?jms.useAsyncSend=false&jms.alwaysSyncSend=true");
Connection connection = factory.createConnection(user, password);
logger.info("Connection created");
connection.start();
logger.info("Connection started");
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Destination dest = new ActiveMQQueue(destination);
MessageProducer producer = session.createProducer(dest);
producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
for (int i = 1; i <= messages; i++) {
TextMessage msg = session.createTextMessage(body);
msg.setIntProperty("id", i);
producer.send(msg);
logger.info("Message send" + i);
}
producer.send(session.createTextMessage("THE.END"));
connection.close();
logger.info("Connection closed");
}
@Override
public int run() throws Exception {
// Default values of command line arguments
String host = DEFAULT_HOST;
int port = DEFAULT_PORT;
String user = DEFAULT_USER;
String pass = DEFAULT_PASS;
String destination = DEFAULT_DESTINATION;
String file = ""; // No default -- if not given, don't read/write file
int sleep = 0;
boolean showpercent = false;
int batchSize = 0;
int length = 500; // Length of message generated internally
String properties = "";
String format = "short";
String durable = null;
int n = 1; // n is the number of messages to process, or a specific
// message number, depending on content
String url = ""; // No default -- if not given, don't use it
String[] nonSwitchArgs = cl.getArgs();
if (nonSwitchArgs.length > 0) n = Integer.parseInt(nonSwitchArgs[0]);
String _destination = cl.getOptionValue("destination");
if (_destination != null) destination = _destination;
String _host = cl.getOptionValue("host");
if (_host != null) host = _host;
String _port = cl.getOptionValue("port");
if (_port != null) port = Integer.parseInt(_port);
String _file = cl.getOptionValue("file");
if (_file != null) file = _file;
String _user = cl.getOptionValue("user");
if (_user != null) user = _user;
String _pass = cl.getOptionValue("password");
if (_pass != null) pass = _pass;
String _url = cl.getOptionValue("url");
if (_url != null) url = _url;
String _sleep = cl.getOptionValue("sleep");
if (_sleep != null) sleep = Integer.parseInt(_sleep);
if (cl.hasOption("percent")) showpercent = true;
String _batchSize = cl.getOptionValue("batch");
if (_batchSize != null) batchSize = Integer.parseInt(_batchSize);
String _L = cl.getOptionValue("length");
if (_L != null) length = Integer.parseInt(_L);
String _properties = cl.getOptionValue("properties");
if (_properties != null) properties = _properties;
String _durable = cl.getOptionValue("durable");
if (_durable != null) durable = _durable;
boolean batch = false;
if (batchSize != 0) batch = true;
String _format = cl.getOptionValue("format");
if (_format != null) format = _format;
ActiveMQConnectionFactory factory = getFactory(host, port, url);
Connection connection = factory.createConnection(user, pass);
if (durable != null) connection.setClientID(durable);
connection.start();
Session session = connection.createSession(batch, Session.AUTO_ACKNOWLEDGE);
Topic topic = session.createTopic(destination);
MessageConsumer consumer = null;
if (durable != null) consumer = session.createDurableSubscriber(topic, "amqutil");
else consumer = session.createConsumer(topic);
int oldpercent = 0;
for (int i = 0; i < n; i++) {
javax.jms.Message message = consumer.receive();
if (batch) if ((i + 1) % batchSize == 0) session.commit();
if (sleep != 0) Thread.sleep(sleep);
JMSUtil.outputMessage(format, message, file);
if (showpercent) {
int percent = i * 100 / n;
if (percent != oldpercent) System.out.println("" + percent + "%");
oldpercent = percent;
}
}
if (batch) session.commit();
connection.close();
return 0;
}
public void doTestDLQAfterBlock(ActiveMQDestination destination) throws Exception {
ActiveMQConnectionFactory factory = (ActiveMQConnectionFactory) createConnectionFactory();
RedeliveryPolicy redeliveryPolicy = new RedeliveryPolicy();
// Immediately sent to the DLQ on rollback, no redelivery
redeliveryPolicy.setMaximumRedeliveries(0);
factory.setRedeliveryPolicy(redeliveryPolicy);
// Separate connection for consumer so it will not be blocked by filler thread
// sending when it blocks
connection = (ActiveMQConnection) factory.createConnection();
connections.add(connection);
connection.setClientID("someId");
connection.start();
final Session consumerSession = connection.createSession(true, Session.SESSION_TRANSACTED);
MessageConsumer consumer =
destination.isQueue()
? consumerSession.createConsumer(destination)
: consumerSession.createDurableSubscriber((Topic) destination, "Durable");
connection = (ActiveMQConnection) factory.createConnection();
connections.add(connection);
connection.start();
final Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
final MessageProducer producer = session.createProducer(destination);
final AtomicBoolean done = new AtomicBoolean(true);
final AtomicBoolean keepGoing = new AtomicBoolean(true);
final CountDownLatch fillerStarted = new CountDownLatch(1);
final AtomicLong sent = new AtomicLong(0);
Thread thread =
new Thread("Filler") {
int i;
@Override
public void run() {
while (keepGoing.get()) {
done.set(false);
fillerStarted.countDown();
try {
producer.send(session.createTextMessage(oneKb + ++i));
if (i % 10 == 0) {
session.commit();
sent.getAndAdd(10);
LOG.info("committed/sent: " + sent.get());
}
LOG.info("sent: " + i);
} catch (JMSException e) {
}
}
}
};
thread.start();
assertTrue("filler started..", fillerStarted.await(20, TimeUnit.SECONDS));
waitForBlocked(done);
// consume and rollback some so message gets to DLQ
connection = (ActiveMQConnection) factory.createConnection();
connections.add(connection);
connection.start();
TextMessage msg;
int received = 0;
for (; received < sent.get(); ++received) {
msg = (TextMessage) consumer.receive(4000);
if (msg == null) {
LOG.info("received null on count: " + received);
break;
}
LOG.info("received: " + received + ", msg: " + msg.getJMSMessageID());
if (received % 5 == 0) {
if (received % 3 == 0) {
// force the use of the DLQ which will use some more store
LOG.info("rollback on : " + received);
consumerSession.rollback();
} else {
LOG.info("commit on : " + received);
consumerSession.commit();
}
}
}
LOG.info("Done:: sent: " + sent.get() + ", received: " + received);
keepGoing.set(false);
assertTrue("some were sent:", sent.get() > 0);
assertEquals("received what was committed", sent.get(), received);
}