endpointservicemonitor.java

jxta_src_2.41b jxta 2.41b 最新版源码 from www.jxta.org

/*
 * Copyright (c) 2001 Sun Microsystems, Inc.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. 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.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 SUN MICROSYSTEMS OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 *
 * $Id: EndpointServiceMonitor.java,v 1.7 2003/05/14 01:08:11 iam Exp $
 */

 package net.jxta.impl.endpoint.endpointMeter;

import net.jxta.meter.*;
import net.jxta.peergroup.*;
import net.jxta.impl.meter.*;
import net.jxta.endpoint.*;
import java.util.*;

/**
  *  Standard EndpointService Monitor
  **/
public class EndpointServiceMonitor extends GenericServiceMonitor {
	private EndpointServiceMetric cumulativeEndpointServiceMetric;
	private Hashtable inboundMeters = new Hashtable();
	private Hashtable outboundMeters = new Hashtable();
	private Hashtable propagationMeters = new Hashtable();
	private EndpointMeter endpointMeter = new EndpointMeter();

	public EndpointServiceMonitor() { }

	protected void init() {
		cumulativeEndpointServiceMetric = (EndpointServiceMetric) getCumulativeServiceMetric();
		cumulativeEndpointServiceMetric.setEndpointMetric(endpointMeter.getCumulativeMetrics());
	}

	public EndpointMeter getEndpointMeter() {return endpointMeter;}

	public synchronized InboundMeter getInboundMeter(String serviceName, String serviceParam) {
		String address = serviceName;

		if( null != serviceParam )
			address += "/" + serviceParam;

		InboundMeter inboundMeter = (InboundMeter) inboundMeters.get(address);

		if (inboundMeter == null) {
			inboundMeter = new InboundMeter(serviceName, serviceParam);
			inboundMeters.put(address, inboundMeter);
			cumulativeEndpointServiceMetric.addInboundMetric(inboundMeter.getCumulativeMetrics());
		}

		return inboundMeter;
	}

	public synchronized PropagationMeter getPropagationMeter(String serviceName, String serviceParam) {
		String address = serviceName;

		if( null != serviceParam )
			address += "/" + serviceParam;

		PropagationMeter propagationMeter = (PropagationMeter) propagationMeters.get(address);

		if (propagationMeter == null) {
			propagationMeter = new PropagationMeter(serviceName, serviceParam);
			propagationMeters.put(address, propagationMeter);
			cumulativeEndpointServiceMetric.addPropagationMetric(propagationMeter.getCumulativeMetrics());
		}

		return propagationMeter;
	}

	public synchronized OutboundMeter getOutboundMeter(EndpointAddress endpointAddress) {
 		OutboundMeter outboundMeter = (OutboundMeter) outboundMeters.get(endpointAddress);

		if (outboundMeter == null) {
			outboundMeter = new OutboundMeter(endpointAddress);
			cumulativeEndpointServiceMetric.addOutboundMetric(outboundMeter.getCumulativeMetrics());
			outboundMeters.put(endpointAddress, outboundMeter);
		}

		return outboundMeter;
	}

	public ServiceMetric getServiceMetric(ServiceMonitorFilter serviceMonitorFilter, long fromTime, long toTime, int pulseIndex, long reportRate){
		int deltaReportRateIndex = monitorManager.getReportRateIndex(reportRate);
		EndpointServiceMetric origEndpointServiceMetric = (EndpointServiceMetric)deltaServiceMetrics[deltaReportRateIndex];

		if(origEndpointServiceMetric == null) {
			return null;
		}

		EndpointServiceMonitorFilter endpointServiceMonitorFilter = (EndpointServiceMonitorFilter)serviceMonitorFilter;
		return origEndpointServiceMetric.shallowCopy(endpointServiceMonitorFilter);
	}

	public ServiceMetric getCumulativeServiceMetric(ServiceMonitorFilter serviceMonitorFilter, long fromTime, long toTime){
		EndpointServiceMetric origEndpointServiceMetric = (EndpointServiceMetric)cumulativeServiceMetric;
		EndpointServiceMonitorFilter endpointServiceMonitorFilter = (EndpointServiceMonitorFilter)serviceMonitorFilter;
		return origEndpointServiceMetric.deepCopy(endpointServiceMonitorFilter);
	}

	protected ServiceMetric collectServiceMetrics() {
		EndpointServiceMetric endpointServiceMetric = (EndpointServiceMetric) createServiceMetric();

		boolean anyData = false;

		for (Enumeration e = inboundMeters.elements(); e.hasMoreElements(); ) {
			InboundMeter inboundMeter = (InboundMeter) e.nextElement();
			InboundMetric inboundMetric = inboundMeter.collectMetrics();	// clears delta from meter

			if (inboundMetric != null) {
				endpointServiceMetric.addInboundMetric(inboundMetric);
				anyData= true;
			}
		}

		for (Enumeration e = outboundMeters.elements(); e.hasMoreElements(); ) {
			OutboundMeter outboundMeter = (OutboundMeter) e.nextElement();
			OutboundMetric outboundMetric = outboundMeter.collectMetrics();	// clears delta from meter

			if (outboundMetric != null) {
				endpointServiceMetric.addOutboundMetric(outboundMetric);
				anyData= true;
			}
		}

		for (Enumeration e = propagationMeters.elements(); e.hasMoreElements(); ) {
			PropagationMeter propagationMeter = (PropagationMeter) e.nextElement();
			PropagationMetric propagationMetric = propagationMeter.collectMetrics();	// clears delta from meter

			if (propagationMetric != null) {
				endpointServiceMetric.addPropagationMetric(propagationMetric);
				anyData= true;
			}
		}

		EndpointMetric endpointMetric = endpointMeter.collectMetrics();

		if (endpointMetric != null) {
			endpointServiceMetric.setEndpointMetric(endpointMetric);
			anyData= true;
		}

		if (anyData)
			return endpointServiceMetric;
		else
			return null;
	}
}