package org.jboss.test.remoting.registry;
import java.net.InetAddress;
import java.net.MalformedURLException;
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.remoting.Client;
import org.jboss.remoting.InvocationRequest;
import org.jboss.remoting.InvokerLocator;
import org.jboss.remoting.InvokerRegistry;
import org.jboss.remoting.ServerInvocationHandler;
import org.jboss.remoting.ServerInvoker;
import org.jboss.remoting.callback.Callback;
import org.jboss.remoting.callback.HandleCallbackException;
import org.jboss.remoting.callback.InvokerCallbackHandler;
import org.jboss.remoting.transport.Connector;
import org.jboss.remoting.transport.PortUtil;
import org.jboss.remoting.transport.bisocket.Bisocket;
import EDU.oswego.cs.dl.util.concurrent.Rendezvous;
/**
* Unit test for JBREM-1056.
*
* @author <a href="ron.sigal@jboss.com">Ron Sigal</a>
* @version $Revision: 1.1 $
*
* <p>
* Copyright Nov 8, 2008
* </p>
*/
public class InvokerRegistryRaceTestCase extends TestCase
{
private static Logger log = Logger.getLogger(InvokerRegistryRaceTestCase.class);
private static boolean firstTime = true;
protected String host;
protected int port;
protected String locatorURI;
protected InvokerLocator serverLocator;
protected Connector connector;
protected TestInvocationHandler invocationHandler;
public void setUp() throws Exception
{
if (firstTime)
{
firstTime = false;
Logger.getLogger("org.jboss.remoting").setLevel(Level.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 testRaceCondition() throws Throwable
{
log.info("entering " + getName());
// Start server.
setupServer();
// Create client.
InvokerLocator clientLocator = new InvokerLocator(locatorURI);
HashMap clientConfig = new HashMap();
addExtraClientConfig(clientConfig);
Client client = new Client(clientLocator, clientConfig);
client.connect();
log.info("client is connected");
// Test connections.
assertEquals("abc", client.invoke("abc"));
log.info("connection is good");
int THREADS = 20;
int LOOPS = 1000;
Rendezvous barrier = new Rendezvous(THREADS * 2 + 1);
CreateCallbackThread[] createCallbackThreads = new CreateCallbackThread[THREADS];
InvokerLocatorUpdateThread[] invokerLocatorUpdateThreads = new InvokerLocatorUpdateThread[THREADS];
for (int i = 0; i < THREADS; i++)
{
createCallbackThreads[i] = new CreateCallbackThread(i, client, barrier, LOOPS);
invokerLocatorUpdateThreads[i] = new InvokerLocatorUpdateThread(i, barrier, LOOPS * 100);
createCallbackThreads[i].start();
invokerLocatorUpdateThreads[i].start();
}
log.info("main thread going to rendezvous");
barrier.rendezvous(null);
barrier.rendezvous(null);
log.info("main thread leaving second rendezvous");
client.disconnect();
shutdownServer();
for (int i = 0; i < THREADS; i++)
{
assertTrue(createCallbackThreads[i].ok);
assertTrue(invokerLocatorUpdateThreads[i].ok);
}
log.info(getName() + " PASSES");
}
protected String getTransport()
{
return "bisocket";
}
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();
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 TestCallbackHandler implements InvokerCallbackHandler
{
public void handleCallback(Callback callback) throws HandleCallbackException
{
log.info("received callback");
}
}
static class CreateCallbackThread extends Thread
{
int id;
Client client;
Rendezvous barrier;
int counter;
public boolean ok = true;
public CreateCallbackThread(int id, Client client, Rendezvous barrier, int counter)
{
this.id = id;
this.client = client;
this.barrier = barrier;
this.counter = counter;
setName("CreateCallbackThread:" + id);
}
public void run()
{
HashMap metadata = new HashMap();
metadata.put(Client.CALLBACK_SERVER_PORT, "8888888" + id);
metadata.put(Bisocket.IS_CALLBACK_SERVER, "true");
TestCallbackHandler callbackHandler = new TestCallbackHandler();
rendezvous();
log.info(this + " passed barrier");
for (int i = 0; i < counter; i++)
{
try
{
if ((i + 1) % (counter / 5) == 0)
{
log.info(this + " adding listener: " + (i + 1));
}
client.addListener(callbackHandler, metadata, null, true);
if ((i + 1) % (counter / 5) == 0)
{
log.info(this + " added listener: " + (i + 1));
}
client.removeListener(callbackHandler);
if ((i + 1) % (counter / 5) == 0)
{
log.info(this + " removed listener: " + (i + 1));
}
}
catch (Throwable t)
{
log.error("unable to register callback handler", t);
ok = false;
}
}
log.info(this + " entering final rendezvous");
rendezvous();
}
private void rendezvous()
{
try
{
barrier.rendezvous(null);
}
catch (Exception e)
{
log.error("error in rendezvous", e);
}
}
}
static class InvokerLocatorUpdateThread extends Thread
{
int id;
InvokerLocator locator;
Rendezvous barrier;
int counter;
boolean ok = true;
public InvokerLocatorUpdateThread(int id, Rendezvous barrier, int counter) throws MalformedURLException
{
this.id = id;
this.barrier = barrier;
this.counter = counter;
setName("InvokerLocatorUpdateThread:" + id);
locator = new InvokerLocator("socket://localhost:8888");
}
public void run()
{
rendezvous();
log.info(this + " passed barrier");
for (int i = 0; i < counter; i++)
{
try
{
InvokerRegistry.updateServerInvokerLocator(locator, locator);
if ((i + 1) % (counter / 5) == 0)
{
log.info(this + " updated locator: " + (i + 1));
}
}
catch (Exception e)
{
ok = false;
log.error("error updated locator", e);
}
}
log.info(this + " entering final rendezvous");
rendezvous();
}
private void rendezvous()
{
try
{
barrier.rendezvous(null);
}
catch (Exception e)
{
log.error("error in rendezvous", e);
}
}
}
}