[jboss-remoting-commits] JBoss Remoting SVN: r4625 - remoting2/branches/2.2/src/tests/org/jboss/test/remoting/callback/store/blocking.

[jboss-remoting-commits at lists.jboss.org]

Author: ron.sigal at 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");
+      }  
+   }
+}
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