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:
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13 * this list of conditions and the following disclaimer in the documentation
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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.
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44 * Please see the license information page at :
45 * <http://www.jxta.org/project/www/license.html> for instructions on use of
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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.*;
64 * The meter about a client peer's connection to a rendezvous
66 public class RendezvousConnectionMeter {
67 private PeerID peerID;
69 private RendezvousConnectionMetric cumulativeMetrics;
70 private RendezvousConnectionMetric deltaMetrics;
72 private long transitionTime = 0;
73 private long lastLeaseRenewalTime = 0;
75 public RendezvousConnectionMeter(PeerID peerID) {
77 cumulativeMetrics = new RendezvousConnectionMetric(peerID);
80 public RendezvousConnectionMetric getCumulativeMetrics() {
81 return cumulativeMetrics;
84 public PeerID getPeerID() {
88 public String getState() {
89 return cumulativeMetrics.getState();
92 public synchronized RendezvousConnectionMetric collectMetrics() {
93 RendezvousConnectionMetric prevDelta = deltaMetrics;
99 private void createDeltaMetric() {
100 deltaMetrics = new RendezvousConnectionMetric(cumulativeMetrics);
104 public String toString() {
105 return "RendezvousConnectionMeter(" + peerID + ")";
108 public void beginConnection() {
109 transitionTime = System.currentTimeMillis();
111 if (deltaMetrics == null) {
115 deltaMetrics.beginConnection(transitionTime);
116 cumulativeMetrics.beginConnection(transitionTime);
119 public void connectionEstablished(long lease) {
120 long now = System.currentTimeMillis();
121 long timeToConnect = now - transitionTime;
123 transitionTime = now;
125 if (deltaMetrics == null) {
129 deltaMetrics.connectionEstablished(transitionTime, timeToConnect, lease);
130 cumulativeMetrics.connectionEstablished(transitionTime, timeToConnect, lease);
133 public void leaseRenewed(long lease) {
134 lastLeaseRenewalTime = System.currentTimeMillis();
136 if (deltaMetrics == null) {
140 deltaMetrics.leaseRenewed(lastLeaseRenewalTime, lease);
141 cumulativeMetrics.leaseRenewed(lastLeaseRenewalTime, lease);
144 public void connectionRefused() {
145 transitionTime = System.currentTimeMillis();
147 if (deltaMetrics == null) {
151 deltaMetrics.connectionRefused(transitionTime);
152 cumulativeMetrics.connectionRefused(transitionTime);
155 public void connectionDisconnected() {
156 transitionTime = System.currentTimeMillis();
158 if (deltaMetrics == null) {
162 deltaMetrics.connectionDisconnected(transitionTime);
163 cumulativeMetrics.connectionDisconnected(transitionTime);