/*
*
* 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.qpid.ping;
import org.apache.log4j.Logger;
import org.apache.qpid.client.AMQConnection;
import org.apache.qpid.AMQException;
import org.apache.qpid.url.URLSyntaxException;
import org.apache.qpid.client.AMQTopic;
import org.apache.qpid.client.BasicMessageProducer;
import org.apache.qpid.jms.MessageProducer;
import org.apache.qpid.jms.Session;
import javax.jms.*;
import java.net.InetAddress;
import java.net.UnknownHostException;
/**
* A client that behaves as follows:
* <ul><li>Connects to a queue, whose name is specified as a cmd-line argument</li>
* <li>Creates a temporary queue</li>
* <li>Creates messages containing a property that is the name of the temporary queue</li>
* <li>Fires off a message on the original queue and waits for a response on the temporary queue</li>
* </ul>
*/
public class TestPingPublisher implements ExceptionListener
{
private static final Logger _log = Logger.getLogger(TestPingPublisher.class);
private AMQConnection _connection;
private Session _session;
private boolean _publish;
private long SLEEP_TIME = 0L;
private class CallbackHandler implements MessageListener
{
private int _actualMessageCount;
public void onMessage(Message m)
{
if (_log.isDebugEnabled())
{
_log.debug("Message received: " + m);
}
_actualMessageCount++;
if (_actualMessageCount % 1000 == 0)
{
_log.info("Received message count: " + _actualMessageCount);
}
}
}
public TestPingPublisher(String brokerDetails, String clientID, String virtualpath) throws AMQException, URLSyntaxException
{
try
{
createConnection(brokerDetails, clientID, virtualpath);
_session = (Session) _connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
//AMQQueue destination = new AMQQueue("ping");
AMQTopic destination = new AMQTopic("ping");
MessageProducer producer = (MessageProducer) _session.createProducer(destination);
_connection.setExceptionListener(this);
_connection.start();
int messageNumber = 0;
while (_publish)
{
/*
TextMessage msg = _session.createTextMessage(
"Presented to in conjunction with Mahnah Mahnah and the Snowths: " + ++messageNumber);
*/
ObjectMessage msg = _session.createObjectMessage();
Long time = System.nanoTime();
msg.setStringProperty("timestampString", Long.toString(time));
msg.setLongProperty("timestamp", time);
((BasicMessageProducer) producer).send(msg, DeliveryMode.PERSISTENT, true);
_log.info("Message Sent:\n" + msg);
if (SLEEP_TIME > 0)
{
try
{
Thread.sleep(SLEEP_TIME);
}
catch (InterruptedException ie)
{
//do nothing
}
}
}
}
catch (JMSException e)
{
e.printStackTrace();
}
}
private void createConnection(String brokerDetails, String clientID, String virtualpath) throws AMQException, URLSyntaxException
{
_publish = true;
_connection = new AMQConnection(brokerDetails, "guest", "guest",
clientID, virtualpath);
}
/**
* @param args argument 1 if present specifies the name of the temporary queue to create. Leaving it blank
* means the server will allocate a name.
*/
public static void main(String[] args) throws URLSyntaxException
{
if (args.length == 0)
{
System.err.println("Usage: TestPingPublisher <brokerDetails> <virtual path>");
System.exit(0);
}
try
{
InetAddress address = InetAddress.getLocalHost();
String clientID = address.getHostName() + System.currentTimeMillis();
new TestPingPublisher(args[0], clientID, args[1]);
}
catch (UnknownHostException e)
{
e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
}
catch (AMQException e)
{
System.err.println("Error in client: " + e);
e.printStackTrace();
}
//System.exit(0);
}
/**
* @see javax.jms.ExceptionListener#onException(javax.jms.JMSException)
*/
public void onException(JMSException e)
{
System.err.println(e.getMessage());
_publish = false;
e.printStackTrace(System.err);
}
}