Author: ron.sigal(a)jboss.com Date: 2009-04-13 06:33:46 -0400 (Mon, 13 Apr 2009) New Revision: 4986 Added: remoting2/branches/2.x/src/tests/org/jboss/test/remoting/callback/leak/ remoting2/branches/2.x/src/tests/org/jboss/test/remoting/callback/leak/ServerInvokerCallbackHandlerLeakTestCase.java Log: JBREM-1113: New unit tests. Added: remoting2/branches/2.x/src/tests/org/jboss/test/remoting/callback/leak/ServerInvokerCallbackHandlerLeakTestCase.java =================================================================== --- remoting2/branches/2.x/src/tests/org/jboss/test/remoting/callback/leak/ServerInvokerCallbackHandlerLeakTestCase.java (rev 0) +++ remoting2/branches/2.x/src/tests/org/jboss/test/remoting/callback/leak/ServerInvokerCallbackHandlerLeakTestCase.java 2009-04-13 10:33:46 UTC (rev 4986) @@ -0,0 +1,279 @@ +/* + * 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.callback.leak; + +import java.lang.reflect.Field; +import java.net.InetAddress; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.Map; +import java.util.Set; +import java.util.TimerTask; + +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.ConnectionListener; +import org.jboss.remoting.ConnectionNotifier; +import org.jboss.remoting.InvocationRequest; +import org.jboss.remoting.InvokerLocator; +import org.jboss.remoting.LeasePinger; +import org.jboss.remoting.MicroRemoteClientInvoker; +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.callback.ServerInvokerCallbackHandler; +import org.jboss.remoting.transport.Connector; +import org.jboss.remoting.transport.PortUtil; + + +/** + * Unit tests for JBREM-1113. + * + * @author <a href=&quot;ron.sigal(a)jboss.com&quot;&gt;Ron Sigal</a> + * @version $Rev$ + * <p> + * Copyright Apr 13, 2009 + * </p> + */ +public class ServerInvokerCallbackHandlerLeakTestCase extends TestCase +{ + private static Logger log = Logger.getLogger(ServerInvokerCallbackHandlerLeakTestCase.class); + + private static boolean firstTime = true; + private static int COUNT = 10; + private static Object lock = new Object(); + + 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); + } + TestConnectionListener.count = 0; + } + + + public void tearDown() + { + } + + + public void testLeakWithCallbackHandlersListening() throws Throwable + { + doLeakTest(true); + } + + + public void testLeakWithoutCallbackHandlersListening() throws Throwable + { + doLeakTest(false); + } + + + public void doLeakTest(boolean registerCallbackListener) throws Throwable + { + log.info("entering " + getName()); + setupServer(registerCallbackListener); + + // Get fields. + ServerInvoker serverInvoker = connector.getServerInvoker(); + Field field = ServerInvoker.class.getDeclaredField("connectionNotifier"); + field.setAccessible(true); + ConnectionNotifier connectionNotifier = (ConnectionNotifier) field.get(serverInvoker); + field = ServerInvoker.class.getDeclaredField("callbackHandlers"); + field.setAccessible(true); + Map callbackHandlers = (Map) field.get(serverInvoker); + + // Create client. + HashMap clientConfig = new HashMap(); + clientConfig.put(InvokerLocator.FORCE_REMOTE, "true"); + addExtraClientConfig(clientConfig); + Client client = null; + + for (int i = 0; i < COUNT; i++) + { + client = new Client(serverLocator, clientConfig); + client.connect(); + log.info("client is connected"); + + // Test connections. + assertEquals("abc", client.invoke("abc")); + log.info("connection is good"); + + TestCallbackHandler callbackHandler = new TestCallbackHandler(); + client.addListener(callbackHandler, null, null, true); + } + + field = MicroRemoteClientInvoker.class.getDeclaredField("leasePinger"); + field.setAccessible(true); + LeasePinger pinger = (LeasePinger) field.get(client.getInvoker()); + field = LeasePinger.class.getDeclaredField("timerTask"); + field.setAccessible(true); + TimerTask timerTask = (TimerTask) field.get(pinger); + timerTask.cancel(); + + synchronized(lock) + { + lock.wait(); + } + Thread.sleep(2000); + + assertEquals(COUNT, TestConnectionListener.count); + assertEquals(1, connectionNotifier.size()); + assertTrue(callbackHandlers.isEmpty()); + + log.info(getName() + " PASSES"); + } + + + protected String getTransport() + { + return "socket"; + } + + + protected void addExtraClientConfig(Map config) {} + protected void addExtraServerConfig(Map config) {} + + + protected void setupServer(boolean registerCallbackListener) throws Exception + { + host = InetAddress.getLocalHost().getHostAddress(); + port = PortUtil.findFreePort(host); + locatorURI = getTransport() + "://" + host + ":" + port; + locatorURI += "/?leasing=true"; + if (registerCallbackListener) + { + locatorURI += "&" + ServerInvoker.REGISTER_CALLBACK_LISTENER + "=true"; + } + else + { + locatorURI += "&" + ServerInvoker.REGISTER_CALLBACK_LISTENER + "=false"; + } + 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(); + connector.setLeasePeriod(2000); + TestConnectionListener listener = new TestConnectionListener(!registerCallbackListener); + connector.addConnectionListener(listener); + } + + + protected void shutdownServer() throws Exception + { + if (connector != null) + connector.stop(); + } + + + static class TestInvocationHandler implements ServerInvocationHandler + { + static public Set callbackHandlers = new HashSet(); + public void addListener(InvokerCallbackHandler callbackHandler) + { + callbackHandlers.add(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 TestConnectionListener implements ConnectionListener + { + static public int count; + boolean shutdownCallbackHandlers; + + public TestConnectionListener(boolean shutdownCallbackHandlers) + { + this.shutdownCallbackHandlers = shutdownCallbackHandlers; + } + + public synchronized void handleConnectionException(Throwable throwable, Client client) + { + log.info("got connection exception"); + if(++count == COUNT) + { + if (shutdownCallbackHandlers) + { + Iterator it = TestInvocationHandler.callbackHandlers.iterator(); + while (it.hasNext()) + { + ServerInvokerCallbackHandler callbackHandler = (ServerInvokerCallbackHandler) it.next(); + callbackHandler.shutdown(); + log.info("shut down: " + callbackHandler); + } + TestInvocationHandler.callbackHandlers.clear(); + } + synchronized(lock) + { + lock.notify(); + } + } + } + } +} \ No newline at end of file