Author: ron.sigal(a)jboss.com Date: 2008-03-25 15:23:59 -0400 (Tue, 25 Mar 2008) New Revision: 3749 Added: remoting2/branches/2.2/src/tests/org/jboss/test/remoting/transport/bisocket/threadpool/ remoting2/branches/2.2/src/tests/org/jboss/test/remoting/transport/bisocket/threadpool/ServerThreadReuseTestCase.java Log: JBREM-937: New unit test. Added: remoting2/branches/2.2/src/tests/org/jboss/test/remoting/transport/bisocket/threadpool/ServerThreadReuseTestCase.java =================================================================== --- remoting2/branches/2.2/src/tests/org/jboss/test/remoting/transport/bisocket/threadpool/ServerThreadReuseTestCase.java (rev 0) +++ remoting2/branches/2.2/src/tests/org/jboss/test/remoting/transport/bisocket/threadpool/ServerThreadReuseTestCase.java 2008-03-25 19:23:59 UTC (rev 3749) @@ -0,0 +1,260 @@ +/* +* 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.transport.bisocket.threadpool; + +import java.lang.reflect.Field; +import java.net.InetAddress; +import java.net.Socket; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Set; + +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.InvocationRequest; +import org.jboss.remoting.InvokerLocator; +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; +import org.jboss.remoting.transport.bisocket.Bisocket; +import org.jboss.remoting.transport.bisocket.BisocketServerInvoker; +import org.jboss.remoting.transport.socket.LRUPool; +import org.jboss.remoting.transport.socket.ServerThread; +import org.jboss.remoting.transport.socket.SocketServerInvoker; + + +/** + * Unit test for JBREM-938. + * + * @author <a href=&quot;ron.sigal(a)jboss.com&quot;&gt;Ron Sigal</a> + * @version $Revision: 1.1 $ + * <p> + * Copyright Mar 22, 2008 + * </p> + */ +public class ServerThreadReuseTestCase extends TestCase +{ + private static Logger log = Logger.getLogger(ServerThreadReuseTestCase.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(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 testServerThreadReuse() throws Throwable + { + log.info("entering " + getName()); + + // Start server. + setupServer(); + + // Create client. + InvokerLocator clientLocator = new InvokerLocator(locatorURI); + HashMap clientConfig = new HashMap(); + clientConfig.put(InvokerLocator.FORCE_REMOTE, "true"); + 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"); + + // Add callback handler. + TestCallbackHandler callbackHandler = new TestCallbackHandler(); + HashMap metadata = new HashMap(); + metadata.put(Bisocket.IS_CALLBACK_SERVER, "true"); + client.addListener(callbackHandler, metadata, null, true); + client.invoke("callback"); + assertEquals(1, callbackHandler.counter); + log.info("first callback successful"); + + // Get callback server thread pools. + Set callbackConnectors = client.getCallbackConnectors(callbackHandler); + assertEquals(1, callbackConnectors.size()); + Connector callbackConnector = (Connector) callbackConnectors.iterator().next(); + BisocketServerInvoker invoker = (BisocketServerInvoker) callbackConnector.getServerInvoker(); + Field field = SocketServerInvoker.class.getDeclaredField("threadpool"); + field.setAccessible(true); + List threadpool = (List) field.get(invoker); + field = SocketServerInvoker.class.getDeclaredField("clientpool"); + field.setAccessible(true); + LRUPool clientpool = (LRUPool) field.get(invoker); + assertEquals(0, threadpool.size()); + assertEquals(1, clientpool.size()); + + // Kill worker thread's socket. + Set clientpoolContents = clientpool.getContents(); + ServerThread serverThread1 = (ServerThread) clientpoolContents.iterator().next(); + field = ServerThread.class.getDeclaredField("socket"); + field.setAccessible(true); + Socket socket = (Socket) field.get(serverThread1); + socket.close(); + Thread.sleep(4000); + assertEquals(1, threadpool.size()); + assertEquals(0, clientpool.size()); + + // Make second callback and verify that worker thread gets reused. + client.invoke("callback"); + assertEquals(2, callbackHandler.counter); + log.info("second callback successful"); + assertEquals(0, threadpool.size()); + assertEquals(1, clientpool.size()); + clientpoolContents = clientpool.getContents(); + ServerThread serverThread2 = (ServerThread) clientpoolContents.iterator().next(); + assertEquals(serverThread2, serverThread1); + log.info("ServerThread was reused"); + + client.removeListener(callbackHandler); + client.disconnect(); + shutdownServer(); + 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; + 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 + { + HashSet callbackHandlers = new HashSet(); + + public void addListener(InvokerCallbackHandler callbackHandler) + { + callbackHandlers.add(callbackHandler); + } + + public Object invoke(final InvocationRequest invocation) throws Throwable + { + String command = (String) invocation.getParameter(); + + if ("callback".equals(command)) + { + Callback callback = new Callback("callback"); + Iterator it = callbackHandlers.iterator(); + while (it.hasNext()) + { + ServerInvokerCallbackHandler handler; + handler = (ServerInvokerCallbackHandler) it.next(); + handler.handleCallback(callback); + } + } + + return command; + } + + public void removeListener(InvokerCallbackHandler callbackHandler) + { + callbackHandlers.remove(callbackHandler); + } + + + public void setMBeanServer(MBeanServer server) {} + public void setInvoker(ServerInvoker invoker) {} + } + + + static class TestCallbackHandler implements InvokerCallbackHandler + { + public int counter; + + public void handleCallback(Callback callback) throws HandleCallbackException + { + counter++; + log.info("received callback"); + } + } +} \ No newline at end of file