/*
* 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.push.disconnect;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.management.MBeanServer;
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.transport.Connector;
import junit.framework.TestCase;
/**
* @author <a href="mailto:telrod@e2technologies.net">Tom Elrod</a>
*/
public class CallbackTestClient extends TestCase
{
// Default locator values
private static String transport = "socket";
private static String host = "localhost";
private static int port = 5500;
private static String callbackHost = "localhost";
private static int callbackPort = 5501;
private String locatorURI = transport + "://" + host + ":" + port;
// public static final String RESPONSE_VALUE = "This is the return to SampleInvocationHandler invocation";
public void testPullCallbackDisconnect() throws Throwable
{
String callbackServerURI = "socket://" + callbackHost + ":" + callbackPort;
Connector callbackServer = new Connector();
callbackServer.setInvokerLocator(callbackServerURI);
callbackServer.start();
// SampleInvocationHandler invocationHandler = new SampleInvocationHandler();
// callbackServer.getServerInvoker().addInvocationHandler("callbackTest", invocationHandler);
Client client = new Client(new InvokerLocator(locatorURI), "test");
client.connect();
CallbackHandler callbackHandler = new CallbackHandler();
client.addListener(callbackHandler, new InvokerLocator(callbackServerURI));
// send invocation that will trigger sending of callbacks.
client.invoke("foo");
// wait to get some callbacks.
System.out.println("Waiting three seconds for callbacks.");
Thread.currentThread().sleep(3000);
System.out.println("Done waiting for callbacks, will shutdown callback server and client.");
// shutdown client and callback server
// callbackServer.getServerInvoker().removeInvocationHandler(
// callbackServer.getServerInvoker().getInvocationHandlers()[0].toString()
// );
client.removeListener(callbackHandler);
client.disconnect();
callbackServer.stop();
callbackServer.destroy();
System.out.println("Callback total number after shutdown is " + callbackHandler.getCallbackNumber());
int callbackNumber = callbackHandler.getCallbackNumber();
// sleep to allow server to send more callbacks if is going to
System.out.println("Waiting ten seconds to make sure no more callbacks are delivered by server.");
Thread.currentThread().sleep(10000);
// check to make sure no more callbacks have been delivered.
System.out.println("Callback total number after waiting ten seconds is " + callbackHandler.getCallbackNumber());
assertEquals(callbackNumber, callbackHandler.getCallbackNumber());
}
/**
* Simple invocation handler implementation.
*/
// public static class SampleInvocationHandler implements ServerInvocationHandler
// {
//
// private List listeners = new ArrayList();
// private boolean sendCallbacks = false;
// private int callbackCounter = 1;
//
// public SampleInvocationHandler()
// {
// sendCallbacks();
// }
//
// /**
// * called to handle a specific invocation
// *
// * @param invocation
// * @return
// * @throws Throwable
// */
// public Object invoke(InvocationRequest invocation) throws Throwable
// {
// // Just going to return static string as this is just simple example code.
//
// sendCallbacks = true;
// return RESPONSE_VALUE;
//
// }
//
// private void sendCallbacks()
// {
// new Thread(new Runnable()
// {
// public void run()
// {
// while(true)
// {
//
// try
// {
// Thread.currentThread().sleep(1000);
// }
// catch(InterruptedException e)
// {
// e.printStackTrace();
// }
//
// while(sendCallbacks)
// {
//
// // Will also fire callback to listeners if they were to exist using
// // simple invocation request.
// Callback callback = new Callback(new Integer(callbackCounter));
// Iterator itr = listeners.iterator();
// while(itr.hasNext())
// {
// InvokerCallbackHandler callbackHandler = (InvokerCallbackHandler) itr.next();
// try
// {
// callbackHandler.handleCallback(callback);
// }
// catch(HandleCallbackException e)
// {
// e.printStackTrace();
// }
// }
// }
// }
//
// }
// }).start();
// }
//
// /**
// * Adds a callback handler that will listen for callbacks from
// * the server invoker handler.
// *
// * @param callbackHandler
// */
// public void addListener(InvokerCallbackHandler callbackHandler)
// {
// listeners.add(callbackHandler);
// }
//
// /**
// * Removes the callback handler that was listening for callbacks
// * from the server invoker handler.
// *
// * @param callbackHandler
// */
// public void removeListener(InvokerCallbackHandler callbackHandler)
// {
// listeners.remove(callbackHandler);
// }
//
// /**
// * set the mbean server that the handler can reference
// *
// * @param server
// */
// public void setMBeanServer(MBeanServer server)
// {
// // NO OP as do not need reference to MBeanServer for this handler
// }
//
// /**
// * set the invoker that owns this handler
// *
// * @param invoker
// */
// public void setInvoker(ServerInvoker invoker)
// {
// // NO OP as do not need reference back to the server invoker
// }
//
// }
public class CallbackHandler implements InvokerCallbackHandler
{
private Callback callback;
private Integer callbackNumber;
/**
* Will take the callback message and send back to client.
* If client locator is null, will store them till client polls to get them.
*
* @param callback
* @throws org.jboss.remoting.callback.HandleCallbackException
*
*/
public void handleCallback(Callback callback) throws HandleCallbackException
{
this.callback = callback;
System.out.println("Received callback value of: " + callback.getCallbackObject());
System.out.println("Received callback handle object of: " + callback.getCallbackHandleObject());
System.out.println("Received callback server invoker of: " + callback.getServerLocator());
callbackNumber = (Integer) callback.getCallbackObject();
}
public int getCallbackNumber()
{
if(callbackNumber != null)
{
return callbackNumber.intValue();
}
else
{
return 0;
}
}
public Callback getCallback()
{
return callback;
}
}
}