2 * Copyright (c) 2001-2007 Sun Micro//Systems, Inc. All rights reserved.
4 * The Sun Project JXTA(TM) Software License
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
16 * 3. The end-user documentation included with the redistribution, if any, must
17 * include the following acknowledgment: "This product includes software
18 * developed by Sun Microsystems, Inc. for JXTA(TM) technology."
19 * Alternately, this acknowledgment may appear in the software itself, if
20 * and wherever such third-party acknowledgments normally appear.
22 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
23 * not be used to endorse or promote products derived from this software
24 * without prior written permission. For written permission, please contact
25 * Project JXTA at http://www.jxta.org.
27 * 5. Products derived from this software may not be called "JXTA", nor may
28 * "JXTA" appear in their name, without prior written permission of Sun.
30 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
32 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
33 * MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
34 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
36 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
37 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
38 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
39 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 * JXTA is a registered trademark of Sun Microsystems, Inc. in the United
42 * States and other countries.
44 * Please see the license information page at :
45 * <http://www.jxta.org/project/www/license.html> for instructions on use of
46 * the license in source files.
48 * ====================================================================
50 * This software consists of voluntary contributions made by many individuals
51 * on behalf of Project JXTA. For more information on Project JXTA, please see
52 * http://www.jxta.org.
54 * This license is based on the BSD license adopted by the Apache Foundation.
57 package net.jxta.impl.rendezvous.rendezvousMeter;
60 import net.jxta.peer.*;
61 import net.jxta.peergroup.*;
62 import net.jxta.rendezvous.*;
63 import net.jxta.impl.rendezvous.*;
69 The Meter corresponding to the state and aggregate information of a Rendezvous Service
71 public class RendezvousMeter {
72 private RendezvousMetric cumulativeMetrics;
73 private RendezvousMetric deltaMetrics;
75 private long transitionTime = System.currentTimeMillis();
77 public RendezvousMeter() {
78 cumulativeMetrics = new RendezvousMetric(null);
81 public RendezvousMetric getCumulativeMetrics() {
82 return cumulativeMetrics;
85 public synchronized RendezvousMetric collectMetrics() {
86 RendezvousMetric prevDelta = deltaMetrics;
93 private void createDeltaMetric() {
94 deltaMetrics = new RendezvousMetric(cumulativeMetrics);
98 public String toString() {
99 return "RendezvousMeter";
102 public void startEdge() {
103 if (deltaMetrics == null) {
107 transitionTime = System.currentTimeMillis();
108 deltaMetrics.startEdge(transitionTime);
109 cumulativeMetrics.startEdge(transitionTime);
112 public void stopEdge() {
113 if (deltaMetrics == null) {
117 long now = System.currentTimeMillis();
118 long timeAsEdge = now - transitionTime;
120 transitionTime = now;
122 if (!cumulativeMetrics.isEdge()) {
126 deltaMetrics.stopEdge(now, timeAsEdge);
127 cumulativeMetrics.stopEdge(now, timeAsEdge);
130 public void startRendezvous() {
131 if (deltaMetrics == null) {
135 transitionTime = System.currentTimeMillis();
136 deltaMetrics.startRendezvous(transitionTime);
137 cumulativeMetrics.startRendezvous(transitionTime);
140 public void stopRendezvous() {
141 if (deltaMetrics == null) {
145 long now = System.currentTimeMillis();
146 long timeAsRendezvous = cumulativeMetrics.isRendezvous() ? (now - transitionTime) : 0;
148 transitionTime = now;
150 deltaMetrics.stopRendezvous(now, timeAsRendezvous);
151 cumulativeMetrics.stopRendezvous(now, timeAsRendezvous);
154 public void invalidMessageReceived() {
155 if (deltaMetrics == null) {
159 deltaMetrics.invalidMessageReceived();
160 cumulativeMetrics.invalidMessageReceived();
163 public void receivedMessageProcessedLocally() {
164 if (deltaMetrics == null) {
168 deltaMetrics.receivedMessageProcessedLocally();
169 cumulativeMetrics.receivedMessageProcessedLocally();
172 public void receivedMessageRepropagatedInGroup() {
173 if (deltaMetrics == null) {
177 deltaMetrics.receivedMessageRepropagatedInGroup();
178 cumulativeMetrics.receivedMessageRepropagatedInGroup();
181 public void receivedDeadMessage() {
182 if (deltaMetrics == null) {
186 deltaMetrics.receivedDeadMessage();
187 cumulativeMetrics.receivedDeadMessage();
190 public void receivedLoopbackMessage() {
191 if (deltaMetrics == null) {
195 deltaMetrics.receivedLoopbackMessage();
196 cumulativeMetrics.receivedLoopbackMessage();
199 public void receivedDuplicateMessage() {
200 if (deltaMetrics == null) {
204 deltaMetrics.receivedDuplicateMessage();
205 cumulativeMetrics.receivedDuplicateMessage();
208 public void propagateToPeers(int numPeers) {
209 if (deltaMetrics == null) {
213 deltaMetrics.propagateToPeers(numPeers);
214 cumulativeMetrics.propagateToPeers(numPeers);
217 public void propagateToNeighbors() {
218 if (deltaMetrics == null) {
222 deltaMetrics.propagateToNeighbors();
223 cumulativeMetrics.propagateToNeighbors();
226 public void propagateToNeighborsFailed() {
227 if (deltaMetrics == null) {
231 deltaMetrics.propagateToNeighborsFailed();
232 cumulativeMetrics.propagateToNeighborsFailed();
235 public void propagateToGroup() {
236 if (deltaMetrics == null) {
240 deltaMetrics.propagateToGroup();
241 cumulativeMetrics.propagateToGroup();
245 if (deltaMetrics == null) {
250 cumulativeMetrics.walk();
253 public void walkFailed() {
254 if (deltaMetrics == null) {
258 deltaMetrics.walkFailed();
259 cumulativeMetrics.walkFailed();
262 public void walkToPeers(int numPeers) {
263 if (deltaMetrics == null) {
267 deltaMetrics.walkToPeers(numPeers);
268 cumulativeMetrics.walkToPeers(numPeers);
271 public void walkToPeersFailed() {
272 if (deltaMetrics == null) {
276 deltaMetrics.walkToPeersFailed();
277 cumulativeMetrics.walkToPeersFailed();