Author: ron.sigal(a)jboss.com Date: 2012-07-16 22:38:51 -0400 (Mon, 16 Jul 2012) New Revision: 6442 Added: remoting2/branches/2.x/src/tests/org/jboss/test/remoting/transport/socket/timeout/SemaphoreGrowthTestCase.java Log: JBREM-1305: New unit test. Added: remoting2/branches/2.x/src/tests/org/jboss/test/remoting/transport/socket/timeout/SemaphoreGrowthTestCase.java =================================================================== --- remoting2/branches/2.x/src/tests/org/jboss/test/remoting/transport/socket/timeout/SemaphoreGrowthTestCase.java (rev 0) +++ remoting2/branches/2.x/src/tests/org/jboss/test/remoting/transport/socket/timeout/SemaphoreGrowthTestCase.java 2012-07-17 02:38:51 UTC (rev 6442) @@ -0,0 +1,248 @@ +/* +* JBoss, Home of Professional Open Source +* Copyright 2009, 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.socket.timeout; + +import java.net.InetAddress; +import java.net.SocketTimeoutException; +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.InvocationFailureException; +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 org.jgroups.persistence.CannotConnectException; + +import EDU.oswego.cs.dl.util.concurrent.CountDown; +import EDU.oswego.cs.dl.util.concurrent.Latch; + + +/** + * JBREM-1305 + * + * @author <a href="mailto:ron.sigal@jboss.com">Ron Sigal</a> + * @version $Rev$ + * <p> + * Copyright Jul 16, 2012 + * </p> + */ +public class SemaphoreGrowthTestCase extends TestCase +{ + private static Logger log = Logger.getLogger(SemaphoreGrowthTestCase.class); + + private static boolean firstTime = true; + + protected String host; + protected int port; + protected String locatorURI; + protected InvokerLocator serverLocator; + protected Connector connector; + protected TestInvocationHandler invocationHandler; + protected CountDown latch = new CountDown(2); + + + 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 testSemaphoreGrowth() 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 connection. + assertEquals("abc", client.invoke("abc")); + log.info("connection is good"); + + // Make first call, attempt to increase semaphore count. + try + { + client.invoke("longwait"); + fail("First call unexpectedly succeeded"); + } + catch (InvocationFailureException e) + { + if (e.getCause() instanceof SocketTimeoutException) + { + log.info("First call gets expected timeout"); + } + else + { + fail("First call got unexpected exception wrapped in CannotConnectException: " + e); + } + } + catch (Throwable t) + { + fail("First call got unexpected exception: " + t); + } + + // Verify that semaphore count has not been increased. + CallThread ct0 = new CallThread(client, "shortwait", 0); + CallThread ct1 = new CallThread(client, "nowait", 1); + ct0.start(); + Thread.sleep(500); + ct1.start(); + latch.acquire(); + log.info("Delay for third call: " + ct1.delay); + assertTrue("Second call was not delayed", ct1.delay > 2000); + + 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; + locatorURI += "/?timeout=6000&clientMaxPoolSize=1&numberOfCallRetries=1"; + 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 + { + Object parameter = invocation.getParameter(); + if ("shortwait".equals(parameter)) + { + log.info("doing shortwait"); + Thread.sleep(4000); + } + else if ("longwait".equals(parameter)) + { + log.info("doing longwait"); + Thread.sleep(10000); + } + return parameter; + } + public void removeListener(InvokerCallbackHandler callbackHandler) {} + public void setMBeanServer(MBeanServer server) {} + public void setInvoker(ServerInvoker invoker) {} + } + + class CallThread extends Thread + { + Client client; + String command; + int id; + long delay; + + public CallThread(Client client, String command, int id) + { + this.client = client; + this.command = command; + this.id = id; + } + public void run() + { + try + { + long start = System.currentTimeMillis(); + log.info("CallThread " + id + " making invocation: " + command); + client.invoke(command); + delay = System.currentTimeMillis() - start; + log.info("CallThread " + id + " back from invocation"); + latch.release(); + } + catch (Throwable t) + { + log.info("Thread " + id + " got exception: " + t.getMessage()); + } + } + } +} \ No newline at end of file