/*
 * Software License Agreement (BSD License)
 *
 * Copyright (c) 2008, Regents of the University of California
 * All rights reserved.
 *
 * Redistribution and use of this software in source and binary forms, with or
 * without modification, are permitted provided that the following conditions
 * are met:
 *
 * * Redistributions of source code must retain the above
 *   copyright notice, this list of conditions and the
 *   following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the
 *   following disclaimer in the documentation and/or other
 *   materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * Author: Neil Soman neil@eucalyptus.com
 */

package com.eucalyptus.cloud.ws;

import org.apache.log4j.Logger;

import com.eucalyptus.bootstrap.Component;
import com.eucalyptus.component.Dispatcher;
import com.eucalyptus.util.EucalyptusCloudException;
import com.eucalyptus.util.NetworkUtil;
import com.eucalyptus.ws.client.ServiceDispatcher;

import edu.ucsb.eucalyptus.msgs.BaseMessage;
import edu.ucsb.eucalyptus.msgs.ComponentMessageType;
import edu.ucsb.eucalyptus.msgs.ComponentMessageResponseType;

public class ComponentService {

	private static Logger LOG = Logger.getLogger( ComponentService.class );

	public BaseMessage handle(ComponentMessageType request) throws EucalyptusCloudException {
		String component = request.getComponent();
		String host = request.getHost();
		
		LOG.info("Component: " + component + "@" + host);
	    Dispatcher sc = ServiceDispatcher.lookup( Component.valueOf(component), host );
		if(sc.isLocal()) {
			return request;
 		} else {
 			BaseMessage reply;
			try {
				reply = sc.send(request);
			} catch (Exception e) {
				LOG.error(e);
				throw new EucalyptusCloudException("Unable to dispatch message to: " + sc.getName());
			}
 			return reply;
 		}
	}
}