Author: ron.sigal(a)jboss.com Date: 2008-10-24 23:22:08 -0400 (Fri, 24 Oct 2008) New Revision: 4625 Added: remoting2/branches/2.2/src/tests/org/jboss/test/remoting/callback/store/blocking/BlockingStoreDeadlockTestCase.java Log: JBREM-1045: New unit test. Added: remoting2/branches/2.2/src/tests/org/jboss/test/remoting/callback/store/blocking/BlockingStoreDeadlockTestCase.java =================================================================== --- remoting2/branches/2.2/src/tests/org/jboss/test/remoting/callback/store/blocking/BlockingStoreDeadlockTestCase.java (rev 0) +++ remoting2/branches/2.2/src/tests/org/jboss/test/remoting/callback/store/blocking/BlockingStoreDeadlockTestCase.java 2008-10-25 03:22:08 UTC (rev 4625) @@ -0,0 +1,216 @@ +package org.jboss.test.remoting.callback.store.blocking; + +import java.net.InetAddress; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +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.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; + + +public class BlockingStoreDeadlockTestCase extends TestCase +{ + private static Logger log = Logger.getLogger(BlockingStoreDeadlockTestCase.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 testForDeadlock() 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(); + client.addListener(callbackHandler); + log.info("callback handler added"); + + // Get callback. + log.info("client getting callback"); + HashMap metadata = new HashMap(); + metadata.put(ServerInvoker.BLOCKING_MODE, ServerInvoker.BLOCKING); + List callbacks = client.getCallbacks(callbackHandler, metadata); + assertEquals(1, callbacks.size()); + log.info("got callback"); + + client.removeListener(callbackHandler); + 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"); + config.put(ServerInvokerCallbackHandler.CALLBACK_MEM_CEILING, "100"); + config.put(ServerInvokerCallbackHandler.CALLBACK_STORE_KEY, "org.jboss.remoting.callback.BlockingCallbackStore"); + 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 + { + InvokerCallbackHandler handler; + + public void addListener(InvokerCallbackHandler callbackHandler) + { + handler = callbackHandler; + Runtime runtime = Runtime.getRuntime(); + long max = 0; + long total = 0; +// long free = runtime.freeMemory(); +// float percentage = 100 * free / total; +// if(max == total && memPercentCeiling >= percentage) + + ArrayList list = new ArrayList(); + do + { + try + { + list.add(new Byte[1000000]); + max = runtime.maxMemory(); + total = runtime.totalMemory(); + log.info("max = " + max + ", total = " + total); + } + catch (OutOfMemoryError e) + { + log.info("heap space is full"); + break; + } + } + while (max != total); + log.info("heap is full"); + log.info("thread: " + Thread.currentThread().getName()); + new Thread() + { + public void run() + { + try + { + log.info("thread: " + Thread.currentThread().getName()); + log.info("adding callback"); + handler.handleCallback(new Callback("callback")); + log.info("added callback"); + } + catch (HandleCallbackException e) + { + log.error("Error", e); + } + } + }.start(); + log.info("server added callback handler"); + } + 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"); + } + } +} \ No newline at end of file