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/*
* 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.
*/
/**
* Demonstrates Callback acknowledgements.
*
* @author <a href="mailto:ron.sigal@jboss.com">Ron Sigal</a>
* <p/>
* Copyright (c) 2006
* </p>
*/
package org.jboss.remoting.samples.callback.acknowledgement;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.HashMap;
import javax.management.MBeanServer;
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.CallbackListener;
import org.jboss.remoting.callback.InvokerCallbackHandler;
import org.jboss.remoting.callback.ServerInvokerCallbackHandler;
import org.jboss.remoting.transport.Connector;
import org.jboss.util.id.GUID;
public class CallbackAcknowledgeServer
{
public static final String APPLICATION_ACKNOWLDEGEMENTS = "applicationAcknowledgements";
public static final String REMOTING_ACKNOWLDEGEMENTS = "remotingAcknowledgements";
private static String transport = "socket";
private static String host;
private static int port = 5401;
private Connector connector;
/**
* Can pass transport and port to be used as parameters.
* Default to "socket" and 5401.
*
* @param args
*/
public static void main(String[] args)
{
if(args != null && args.length == 2)
{
transport = args[0];
port = Integer.parseInt(args[1]);
}
try
{
host = InetAddress.getLocalHost().getHostName();
}
catch (UnknownHostException e1)
{
System.err.println("cannot get local host name");
return;
}
String locatorURI = transport + "://" + host + ":" + port;
CallbackAcknowledgeServer server = new CallbackAcknowledgeServer();
try
{
server.setupServer(locatorURI);
// wait forever, let the user kill us at any point (at which point, the client will detect we went down)
while(true)
{
Thread.sleep(1000);
}
}
catch(Exception e)
{
e.printStackTrace();
}
}
public void setupServer(String locatorURI) throws Exception
{
connector = new Connector(new InvokerLocator(locatorURI));
connector.start();
connector.addInvocationHandler("test", new TestInvoocationHandler());
}
static class TestInvoocationHandler implements ServerInvocationHandler, CallbackListener
{
InvokerCallbackHandler callbackHandler;
int counter;
public void setMBeanServer(MBeanServer server) {}
public void setInvoker(ServerInvoker invoker) {}
public Object invoke(InvocationRequest invocation) throws Throwable
{
String command = (String) invocation.getParameter();
System.out.println("command: " + command);
Callback cb = new Callback("callback " + ++counter);
// Register as listener and pass callback id.
HashMap returnPayload = new HashMap();
returnPayload.put(ServerInvokerCallbackHandler.CALLBACK_LISTENER, this);
returnPayload.put(ServerInvokerCallbackHandler.CALLBACK_ID, new GUID());
cb.setReturnPayload(returnPayload);
if (REMOTING_ACKNOWLDEGEMENTS.equals(command))
{
returnPayload.put(ServerInvokerCallbackHandler.REMOTING_ACKNOWLEDGES_PUSH_CALLBACKS, "true");
}
callbackHandler.handleCallback(cb);
return null;
}
public void addListener(InvokerCallbackHandler callbackHandler)
{
this.callbackHandler = callbackHandler;
}
public void removeListener(InvokerCallbackHandler callbackHandler) {}
/**
* callbackSent() is called to acknowledgement the sending of a callback.
*/
public void acknowledgeCallback(InvokerCallbackHandler callbackHandler, Object callbackId, Object response)
{
System.out.println("received acknowledgment for callback: " + callbackId);
System.out.println("response: " + response);
System.out.println("");
}
}
}
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