/*
* 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 java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.Properties;
import javax.naming.Binding;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NameAlreadyBoundException;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import junit.framework.TestCase;
import org.jboss.logging.Logger;
import org.jboss.remoting.InvokerLocator;
import org.jboss.remoting.detection.Detection;
import org.jboss.remoting.detection.jndi.JNDIDetector;
import org.jboss.remoting.util.SecurityUtility;
/**
* @author <a href="mailto:telrod@e2technologies.net">Tom Elrod</a>
* @author <a href="mailto:mazz@jboss.com">John Mazzitelli</a>
* @author <a href="mailto:ron.sigal@jboss.com">Ron Sigal</a>
*/
public class CleanDetectionTestClient extends TestCase //implements NotificationListener
{
private static Logger log = Logger.getLogger(CleanDetectionTestClient.class);
private String detectorHost;
private int detectorPort = 1099;
private String contextFactory = "org.jnp.interfaces.NamingContextFactory";
private String urlPackage = "org.jboss.naming:org.jnp.interfaces";
protected JNDIDetector detector;
protected int serversDetected;
protected boolean invocationSucceeded;
protected Object lock = new Object();
protected boolean notified;
private Context context;
public void testCleanDetect()
{
try
{
String host = InetAddress.getLocalHost().getHostName();
Socket s = null;
for (int i = 0; i < 5; i++)
{
try
{
s = new Socket(host, CleanDetectionTestServer.syncPort);
break;
}
catch (Exception e)
{
log.info("Unable to connect to " + host + ":" + CleanDetectionTestServer.syncPort);
log.info("Will try again");
try
{
Thread.sleep(2000);
}
catch (InterruptedException ignored) {}
}
}
InputStream is = s.getInputStream();
OutputStream os = s.getOutputStream();
// Wait until server has been started.
is.read();
// Get detection message from JNDI server.
createContext();
NamingEnumeration enumeration = listBindings(context, "");
assertTrue(enumeration.hasMore());
Binding binding = (Binding) enumeration.next();
assertFalse(enumeration.hasMore());
log.info(binding);
assertTrue(binding.getObject() instanceof Detection);
Detection detection = (Detection) binding.getObject();
assertEquals(1, detection.getLocators().length);
InvokerLocator locator = detection.getLocators()[0];
log.info("locator: " + locator);
// Tell server to shut down.
os.write(5);
// Tell server to restart.
os.write(7);
Thread.sleep(4000);
// Get new detection message from JNDI server.
enumeration = listBindings(context, "");
assertTrue(enumeration.hasMore());
binding = (Binding) enumeration.next();
log.info(binding);
assertFalse(enumeration.hasMore());
assertTrue(binding.getObject() instanceof Detection);
detection = (Detection) binding.getObject();
assertEquals(1, detection.getLocators().length);
InvokerLocator newLocator = detection.getLocators()[0];
log.info("new locator: " + newLocator);
// Verify that JNDIDetector has already discovered that old server is dead and
// has registered new server.
assertFalse(locator.equals(newLocator));
// Tell server test is over.
os.write(9);
}
catch (Exception e)
{
log.error(e);
e.printStackTrace();
fail();
}
}
private void createContext() throws Exception
{
detectorHost = InetAddress.getLocalHost().getHostName();
Properties env = new Properties();
env.put(Context.INITIAL_CONTEXT_FACTORY, contextFactory);
env.put(Context.PROVIDER_URL, detectorHost + ":" + detectorPort);
env.put(Context.URL_PKG_PREFIXES, urlPackage);
InitialContext initialContext = createContext(env);
String subContextName = JNDIDetector.DETECTION_SUBCONTEXT_NAME;
try
{
context = initialContextLookup(initialContext, subContextName);
}
catch(NamingException e)
{
try
{
context = createSubcontext(initialContext, subContextName);
}
catch(NameAlreadyBoundException e1)
{
log.debug("The sub context " + subContextName + " was created before we could.");
context = initialContextLookup(initialContext, subContextName);
}
}
}
static private Context createSubcontext(final InitialContext initialContext, final String subContextName)
throws NamingException
{
if (SecurityUtility.skipAccessControl())
{
return initialContext.createSubcontext(subContextName);
}
try
{
return (Context) AccessController.doPrivileged( new PrivilegedExceptionAction()
{
public Object run() throws NamingException
{
return initialContext.createSubcontext(subContextName);
}
});
}
catch (PrivilegedActionException e)
{
throw (NamingException) e.getCause();
}
}
static private Context initialContextLookup(final InitialContext initialContext, final String subContextName)
throws NamingException
{
if (SecurityUtility.skipAccessControl())
{
return (Context) initialContext.lookup(subContextName);
}
try
{
return (Context) AccessController.doPrivileged( new PrivilegedExceptionAction()
{
public Object run() throws NamingException
{
return initialContext.lookup(subContextName);
}
});
}
catch (PrivilegedActionException e)
{
throw (NamingException) e.getCause();
}
}
static private NamingEnumeration listBindings(final Context context, final String bindName)
throws NamingException
{
if (SecurityUtility.skipAccessControl())
{
return context.listBindings(bindName);
}
try
{
return (NamingEnumeration) AccessController.doPrivileged( new PrivilegedExceptionAction()
{
public Object run() throws NamingException
{
return context.listBindings(bindName);
}
});
}
catch (PrivilegedActionException e)
{
throw (NamingException) e.getCause();
}
}
static private InitialContext createContext(final Properties env) throws NamingException
{
if (SecurityUtility.skipAccessControl())
{
return new InitialContext(env);
}
try
{
return (InitialContext) AccessController.doPrivileged( new PrivilegedExceptionAction()
{
public Object run() throws Exception
{
return new InitialContext(env);
}
});
}
catch (PrivilegedActionException e)
{
throw (RuntimeException) e.getCause();
}
}
}