resolvermeter.java

jxta平台的开发包

/*
 * Copyright (c) 2001 Sun Micro//Systems, 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 Micro//Systems, 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 Micro//Systems, 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 MICRO//SystemS OR
 * ITS 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.
 * ====================================================================
 *
 * 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: ResolverMeter.java,v 1.5 2003/05/01 17:41:19 iam Exp $
 */

 package net.jxta.impl.resolver.resolverMeter;

import net.jxta.peer.*;
import net.jxta.peergroup.*;
import net.jxta.resolver.*;
import net.jxta.impl.resolver.*;
import net.jxta.protocol.*;
import net.jxta.endpoint.*;

import java.net.*;
import java.util.*;

public class ResolverMeter {
	private ResolverServiceMonitor resolverServiceMonitor;
	private ResolverMetric cumulativeMetrics;
	private ResolverMetric deltaMetrics;

	public ResolverMeter(ResolverServiceMonitor resolverServiceMonitor) {
		this.resolverServiceMonitor = resolverServiceMonitor;
		cumulativeMetrics = new ResolverMetric();
	}

	public ResolverMetric getCumulativeMetrics() { return cumulativeMetrics; }

	public synchronized ResolverMetric collectMetrics() {
		ResolverMetric prevDelta = deltaMetrics;
		deltaMetrics = null;
		return prevDelta;
	}
	
	private void createDeltaMetric() {
		deltaMetrics = new ResolverMetric();
	}

	public String toString() {
		return "ResolverMeter";
	}

	public void invalidSrdiMessageDiscarded(EndpointAddress src) {
		if (deltaMetrics == null)	
			createDeltaMetric();

		deltaMetrics.invalidSrdiMessageDiscarded();
		cumulativeMetrics.invalidSrdiMessageDiscarded();		
	}

	public void unknownHandlerForSrdiMessage(EndpointAddress src, String handlerName) {
		if (handlerName != null) {
			SrdiHandlerMeter srdiHandlerMeter = resolverServiceMonitor.getSrdiHandlerMeter(handlerName);
			srdiHandlerMeter.srdiToUnregisteredHandler(src);
		} else 
			invalidSrdiDiscarded();			
	}

	public void invalidSrdiDiscarded() {
		if (deltaMetrics == null)	
			createDeltaMetric();

		deltaMetrics.invalidResponseDiscarded();
		cumulativeMetrics.invalidResponseDiscarded();		
	}	
	
	public void invalidResponseDiscarded(EndpointAddress src) {
		if (deltaMetrics == null)	
			createDeltaMetric();

		deltaMetrics.invalidResponseDiscarded();
		cumulativeMetrics.invalidResponseDiscarded();		
	}

	public void unknownHandlerForResponse(EndpointAddress src,  ResolverResponseMsg resp) {
		String handlerName = resp.getHandlerName();
		
		if (handlerName != null) {
			QueryHandlerMeter queryHandlerMeter = resolverServiceMonitor.getQueryHandlerMeter(handlerName);
			queryHandlerMeter.responseToUnregisteredHandler(src);
		} else 
			invalidResponseDiscarded(src);			
	}

	public void invalidQueryDiscarded(EndpointAddress src) {
			invalidQueryDiscarded();		// We aren't tracking on source at this point (or ever?)
	}
	
	public void invalidQueryDiscarded() {
		if (deltaMetrics == null)	
			createDeltaMetric();

		deltaMetrics.invalidQueryDiscarded();
		cumulativeMetrics.invalidQueryDiscarded();		
	}

	public void unknownHandlerForQuery(ResolverQueryMsg query) {
		String handlerName = query.getHandlerName();
		
		if (handlerName != null) {
			QueryHandlerMeter queryHandlerMeter = resolverServiceMonitor.getQueryHandlerMeter(handlerName);
			queryHandlerMeter.queryToUnregisteredHandler(query);
		} else 
			invalidQueryDiscarded();		
	}
	

	public void queryPropagatedInGroup(ResolverQueryMsg query) {
		String handlerName = query.getHandlerName();
		
		if (handlerName != null) {
			QueryHandlerMeter queryHandlerMeter = resolverServiceMonitor.getQueryHandlerMeter(handlerName);
			queryHandlerMeter.queryPropagatedInGroup();
		} else 
			invalidQueryDiscarded();	
	}

	public void queryPropagatedViaWalker(ResolverQueryMsg query) {
		String handlerName = query.getHandlerName();
		
		if (handlerName != null) {
			QueryHandlerMeter queryHandlerMeter = resolverServiceMonitor.getQueryHandlerMeter(handlerName);
			queryHandlerMeter.queryPropagatedViaWalker();
		} else 
			invalidQueryDiscarded();		
	}

	public void propagationQueryDropped(ResolverQueryMsg query) {
		String handlerName = query.getHandlerName();
		
		if (handlerName != null) {
			QueryHandlerMeter queryHandlerMeter = resolverServiceMonitor.getQueryHandlerMeter(handlerName);
			queryHandlerMeter.propagationQueryDropped();
		} else 
			invalidQueryDiscarded();
	}

	public void queryPropagationError(ResolverQueryMsg query) {
		String handlerName = query.getHandlerName();
		
		if (handlerName != null) {
			QueryHandlerMeter queryHandlerMeter = resolverServiceMonitor.getQueryHandlerMeter(handlerName);
			queryHandlerMeter.unableToPropagate();
		} else 
			invalidQueryDiscarded();
	}		
}