/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.remoting.detection.jndi;
import junit.framework.TestCase;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.jboss.remoting.InvokerLocator;
import org.jboss.remoting.detection.jndi.JNDIDetector;
import org.jboss.remoting.network.NetworkNotification;
import org.jboss.remoting.network.NetworkRegistry;
import org.jboss.remoting.transport.Connector;
import org.jboss.remoting.transport.multiplex.Multiplex;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.Notification;
import javax.management.NotificationListener;
import javax.management.ObjectName;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.util.HashMap;
import java.util.Map;
/**
* @author <a href="mailto:tom.elrod@jboss.com">Tom Elrod</a>
* @author Michael Voss
*/
public class Client extends TestCase implements NotificationListener
{
private static Logger logger;
private String localHost = "";
private String localPort;
private static NetworkRegistry registry;
private MBeanServer server;
private ObjectName objConnector = null;
private JNDIDetector jdet = null;
private Connector initialConnector = null;
private Connector connector;
private org.jboss.remoting.Client client = null;
private String jndiAddress = null;
private int jndiPort = 2410;
private int detectionCount = 0;
private int detectionFailureCount = 0;
private void setLocalHost(String host)
{
jndiAddress = localHost = host;
}
public void setUp() throws Exception
{
String host = InetAddress.getLocalHost().getHostAddress();
setLocalHost(host);
registry = NetworkRegistry.getInstance();
try
{
server = MBeanServerFactory.createMBeanServer();
server.registerMBean(registry, new ObjectName("remoting:type=NetworkRegistry"));
}
catch (Exception e)
{
e.printStackTrace();
}
try
{
localPort = FindFreePort();
InvokerLocator locator = new InvokerLocator("multiplex://" + localHost + ":" + localPort);
//used until a server is found
initialConnector = new Connector(locator.getLocatorURI());
try
{
objConnector = new ObjectName("jboss.remoting:type=Connector,transport=" + locator.getProtocol());
server.registerMBean(initialConnector, objConnector);
}
catch (Exception e)
{
e.printStackTrace();
}
initialConnector.create();
initialConnector.start();
}
catch (Exception e)
{
e.printStackTrace();
System.exit(1);
}
jdet = new JNDIDetector();
jdet.setPort(jndiPort);
jdet.setHost(jndiAddress);
jdet.setContextFactory("org.jnp.interfaces.NamingContextFactory");
jdet.setURLPackage("org.jboss.naming:org.jnp.interfaces");
//jdet.setCleanDetectionNumber(2147483647);//avoids that the server is detected as gone
//but it's no use if there are two or more servers
try
{
server.registerMBean(jdet, new ObjectName("remoting:type=Detector,transport=jndi"));
}
catch (Exception e)
{
e.printStackTrace();
}
try
{
jdet.start();
registry.addNotificationListener(this, null, null);
}
catch (Exception ex)
{
ex.printStackTrace();
System.exit(1);
}
}
public void handleNotification(Notification notification, Object handback)
{
if (notification instanceof NetworkNotification)
{
NetworkNotification networkNotification = (NetworkNotification) notification;
if (NetworkNotification.SERVER_ADDED.equals(networkNotification.getType()))
{ // notification is for new servers being added
InvokerLocator[] locators = networkNotification.getLocator();
for (int x = 0; x < locators.length; x++)
{
try
{
//for this test make sure it's not a client
if (networkNotification.getLocator()[x].getPort() == 3001)
{
System.out.println("-+-Discovered server '" + locators[x].getLocatorURI() + "'-+-");
init(locators[x]);
detectionCount++;
}
}
catch (Exception ignored)
{
}
}
}
else if (NetworkNotification.SERVER_REMOVED.equals(networkNotification.getType()))
{ // notification
InvokerLocator[] locators = networkNotification.getLocator();
for (int x = 0; x < locators.length; x++)
{
try
{
//for this test make sure it's not a client
if (networkNotification.getLocator()[x].getPort() == 3001)
{
System.out.println("-!-Server '" + locators[x].getLocatorURI() + "' has gone-!-");
detectionFailureCount++;
}
}
catch (Throwable throwable)
{
throwable.printStackTrace();
}
}
}
}
}
public void testDetection() throws InterruptedException
{
Thread.sleep(60000);
assertEquals(1, detectionCount);
assertEquals(0, detectionFailureCount);
}
private static String FindFreePort()
{
ServerSocket socket = null;
try
{
socket = new ServerSocket(0);
return new Integer(socket.getLocalPort()).toString();
}
catch (IOException e)
{
e.printStackTrace();
}
finally
{
if (socket != null)
{
try
{
socket.close();
}
catch (IOException e)
{
}
}
}
return null;
}
private synchronized void init(InvokerLocator locator)
{
localPort = FindFreePort();
initServer(locator);
try
{
Map configuration = new HashMap();
configuration.put(Multiplex.MULTIPLEX_BIND_HOST, localHost);
configuration.put(Multiplex.MULTIPLEX_BIND_PORT, localPort);
client = new org.jboss.remoting.Client(locator, "sample", configuration);
client.connect();
}
catch (Exception e)
{
e.printStackTrace();
}
}
private void initServer(InvokerLocator remoteLocator)
{
//building connector for found server
Map configuration = new HashMap();
String addr = remoteLocator.getHost();
String port = new Integer(remoteLocator.getPort()).toString();
configuration.put(Multiplex.MULTIPLEX_CONNECT_HOST, addr);
configuration.put(Multiplex.MULTIPLEX_CONNECT_PORT, port);
try
{
connector = new Connector("multiplex://" + localHost + ":" + localPort, configuration);
connector.create();
connector.start();
if (initialConnector != null)
{
// don't need the initial connector any longer
initialConnector.stop();
try
{
server.unregisterMBean(objConnector);
}
catch (Exception e)
{
e.printStackTrace();
}
initialConnector = null;
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
public void tearDown()
{
try
{
jdet.stop();
server.unregisterMBean(new ObjectName("remoting:type=Detector,transport=jndi"));
registry.removeNotificationListener(this);
registry = null;
server.unregisterMBean(new ObjectName("remoting:type=NetworkRegistry"));
}
catch (Exception e)
{
}
try
{
if (initialConnector != null)
{
initialConnector.stop();
server.unregisterMBean(objConnector);
initialConnector = null;
}
if (connector != null)
{
connector.stop();
connector = null;
}
if (client != null)
{
client.disconnect();
client = null;
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
public static void main(String[] args)
{
try
{
Client test = new Client();
logger = Logger.getLogger(test.getClass());
logger.setLevel((Level) Level.DEBUG);
test.setUp();
while (true)
{
Thread.sleep(1000);
}
}
catch (Exception e)
{
e.printStackTrace();
System.exit(1);
}
}
}