/*
* 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.callback.pull;
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 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.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.CallbackPoller;
import org.jboss.remoting.callback.HandleCallbackException;
import org.jboss.remoting.callback.InvokerCallbackHandler;
import org.jboss.remoting.transport.Connector;
import org.jboss.remoting.transport.PortUtil;
/**
* Unit test for JBREM-743.
*
* @author <a href="ron.sigal@jboss.com">Ron Sigal</a>
* @version $Revision: 2700 $
* <p>
* Copyright Aug 22, 2007
* </p>
*/
public class UniqueCallbackPollerTestCase extends TestCase
{
public static int port;
private static Logger log = Logger.getLogger(UniqueCallbackPollerTestCase.class);
private static boolean firstTime = true;
// remoting server connector
private Connector connector;
private InvokerLocator serverLocator;
private TestInvocationHandler invocationHandler;
/**
* Sets up target remoting server.
*/
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()
{
}
/**
* Verifies that only one CallbackPoller is created for a given combination of
* org.jboss.remoting.Client and InvokerCallbackHandler.
*/
public void testUniqueCallbackPoller() throws Throwable
{
log.info("entering " + getName());
// Start server.
String host = InetAddress.getLocalHost().getHostAddress();
port = PortUtil.findFreePort(host);
String 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("sample", invocationHandler);
connector.start();
// Create client.
HashMap clientConfig = new HashMap();
clientConfig.put(InvokerLocator.FORCE_REMOTE, "true");
addExtraClientConfig(clientConfig);
Client client = new Client(serverLocator, clientConfig);
client.connect();
assertEquals("abc", client.invoke("abc"));
log.info("client is connected");
Field field = Client.class.getDeclaredField("callbackPollers");
field.setAccessible(true);
Map callbackPollers = (Map) field.get(client);
assertEquals(0, callbackPollers.size());
// Add InvokerCallbackHandler first time.
TestInvokerCallbackHandler callbackHandler = new TestInvokerCallbackHandler();
client.addListener(callbackHandler, new HashMap());
assertEquals(1, callbackPollers.size());
CallbackPoller callbackPoller1 = (CallbackPoller) callbackPollers.values().iterator().next();
// Add InvokerCallbackHandler second time.
client.addListener(callbackHandler, new HashMap());
assertEquals(1, callbackPollers.size());
CallbackPoller callbackPoller2 = (CallbackPoller) callbackPollers.values().iterator().next();
assertEquals(callbackPoller2, callbackPoller1);
client.removeListener(callbackHandler);
client.disconnect();
connector.stop();
}
protected String getTransport()
{
return "socket";
}
protected void addExtraClientConfig(Map config) {}
protected void addExtraServerConfig(Map config) {}
static class TestInvocationHandler implements ServerInvocationHandler
{
public Set listeners = new HashSet();
public void addListener(InvokerCallbackHandler callbackHandler)
{
listeners.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 TestInvokerCallbackHandler implements InvokerCallbackHandler
{
public int counter;
public void handleCallback(Callback callback) throws HandleCallbackException
{
counter++;
}
}
}