/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.connection;
import java.lang.reflect.Field;
import java.net.InetAddress;
import java.util.HashMap;
import java.util.Map;
import javax.management.MBeanServer;
import junit.framework.TestCase;
import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.PatternLayout;
import org.jboss.logging.XLevel;
import org.jboss.remoting.Client;
import org.jboss.remoting.ConnectionListener;
import org.jboss.remoting.ConnectionValidator;
import org.jboss.remoting.InvocationRequest;
import org.jboss.remoting.InvokerLocator;
import org.jboss.remoting.ServerInvocationHandler;
import org.jboss.remoting.ServerInvoker;
import org.jboss.remoting.callback.InvokerCallbackHandler;
import org.jboss.remoting.transport.Connector;
import org.jboss.remoting.transport.PortUtil;
import EDU.oswego.cs.dl.util.concurrent.Rendezvous;
import EDU.oswego.cs.dl.util.concurrent.SynchronizedInt;
/**
* Unit test for JBREM-1166.
*
* @author <a href="ron.sigal@jboss.com">Ron Sigal</a>
* @version $Revision: 1.1 $
* <p>
* Copyright Dec 13, 2009
*/
public class ConnectionValidatorNPETestCase extends TestCase
{
private static Logger log = Logger.getLogger(ConnectionValidatorNPETestCase.class);
private static boolean firstTime = true;
private static int COUNT = 2000;
protected String host;
protected int port;
protected String locatorURI;
protected InvokerLocator serverLocator;
protected Connector connector;
protected TestInvocationHandler invocationHandler;
protected SynchronizedInt errors = new SynchronizedInt(0);
public void setUp() throws Exception
{
if (firstTime)
{
firstTime = false;
Logger.getLogger("org.jboss.remoting").setLevel(XLevel.INFO);
Logger.getLogger("org.jboss.test.remoting").setLevel(Level.INFO);
String pattern = "[%d{ABSOLUTE}] [%t] %5p (%F:%L) - %m%n";
PatternLayout layout = new PatternLayout(pattern);
ConsoleAppender consoleAppender = new ConsoleAppender(layout);
Logger.getRootLogger().addAppender(consoleAppender);
}
}
public void tearDown()
{
}
public void testNPE() throws Throwable
{
log.info("entering " + getName());
// Start server.
setupServer();
// Create client.
HashMap config = new HashMap();
config.put(InvokerLocator.FORCE_REMOTE, "true");
addExtraClientConfig(config);
Client client = new Client(serverLocator, config);
client.connect();
// Start busy thread.
new Thread()
{
public void run()
{
int i = 0;
while (true)
{
i++;
}
}
}.start();
// Create ConnectionValidator multiiple times.
HashMap metadata = new HashMap();
metadata.put(ConnectionValidator.VALIDATOR_PING_PERIOD, "1");
TestConnectionValidator[] validators = new TestConnectionValidator[COUNT];
for (int i = 0; i < COUNT; i++)
{
validators[i] = new TestConnectionValidator(i, errors, client, metadata);
validators[i].addConnectionListener(client, new TestConnectionListener());
}
Thread.sleep(5000);
assertEquals(0, errors.get());
client.disconnect();
shutdownServer();
log.info(getName() + " PASSES");
}
protected String getTransport()
{
return "socket";
}
protected void addExtraClientConfig(Map config) {}
protected void addExtraServerConfig(Map config) {}
protected void setupServer() throws Exception
{
host = InetAddress.getLocalHost().getHostAddress();
port = PortUtil.findFreePort(host);
locatorURI = getTransport() + "://" + host + ":" + port;
String metadata = System.getProperty("remoting.metadata");
if (metadata != null)
{
locatorURI += "/?" + metadata;
}
serverLocator = new InvokerLocator(locatorURI);
log.info("Starting remoting server with locator uri of: " + locatorURI);
HashMap config = new HashMap();
config.put(InvokerLocator.FORCE_REMOTE, "true");
addExtraServerConfig(config);
connector = new Connector(serverLocator, config);
connector.create();
invocationHandler = new TestInvocationHandler();
connector.addInvocationHandler("test", invocationHandler);
connector.start();
}
protected void shutdownServer() throws Exception
{
if (connector != null)
connector.stop();
}
static class TestInvocationHandler implements ServerInvocationHandler
{
public void addListener(InvokerCallbackHandler callbackHandler) {}
public Object invoke(final InvocationRequest invocation) throws Throwable
{
return invocation.getParameter();
}
public void removeListener(InvokerCallbackHandler callbackHandler) {}
public void setMBeanServer(MBeanServer server) {}
public void setInvoker(ServerInvoker invoker) {}
}
static class TestConnectionListener implements ConnectionListener
{
public void handleConnectionException(Throwable throwable, Client client)
{
}
}
static class TestConnectionValidator extends ConnectionValidator
{
public volatile boolean timerWasNull;
int id;
Rendezvous rendezvous;
boolean[] flags;
SynchronizedInt errors;
Field field;
public TestConnectionValidator(int id, SynchronizedInt errors, Client client, Map metadata) throws SecurityException, NoSuchFieldException
{
super(client, metadata);
this.id = id;
this.errors = errors;
field = ConnectionValidator.class.getDeclaredField("timer");
field.setAccessible(true);
}
public void run()
{
try
{
// log.info(id + ": starting");
timerWasNull = (field.get(this) == null);
if (timerWasNull)
{
log.info("timer was null: " + id);
errors.increment();
}
}
catch (Exception e)
{
log.info("exception", e);
}
}
}
}