/*
* Copyright (c) 2001-2007 Sun Micro//Systems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* 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 Sun Microsystems, Inc. for JXTA(TM) technology."
* 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, 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.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* <http://www.jxta.org/project/www/license.html> for instructions on use of
* the license in source files.
*
* ====================================================================
*
* 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.
*/
package net.jxta.impl.rendezvous.rendezvousMeter;
import net.jxta.peer.PeerID;
/**
* The meter about a client peer's connection to a rendezvous
**/
public class RendezvousConnectionMeter {
private PeerID peerID;
private RendezvousConnectionMetric cumulativeMetrics;
private RendezvousConnectionMetric deltaMetrics;
private long transitionTime = 0;
private long lastLeaseRenewalTime = 0;
public RendezvousConnectionMeter(PeerID peerID) {
this.peerID = peerID;
cumulativeMetrics = new RendezvousConnectionMetric(peerID);
}
public RendezvousConnectionMetric getCumulativeMetrics() {
return cumulativeMetrics;
}
public PeerID getPeerID() {
return peerID;
}
public String getState() {
return cumulativeMetrics.getState();
}
public synchronized RendezvousConnectionMetric collectMetrics() {
RendezvousConnectionMetric prevDelta = deltaMetrics;
deltaMetrics = null;
return prevDelta;
}
private void createDeltaMetric() {
deltaMetrics = new RendezvousConnectionMetric(cumulativeMetrics);
}
@Override
public String toString() {
return "RendezvousConnectionMeter(" + peerID + ")";
}
public void beginConnection() {
transitionTime = System.currentTimeMillis();
if (deltaMetrics == null) {
createDeltaMetric();
}
deltaMetrics.beginConnection(transitionTime);
cumulativeMetrics.beginConnection(transitionTime);
}
public void connectionEstablished(long lease) {
long now = System.currentTimeMillis();
long timeToConnect = now - transitionTime;
transitionTime = now;
if (deltaMetrics == null) {
createDeltaMetric();
}
deltaMetrics.connectionEstablished(transitionTime, timeToConnect, lease);
cumulativeMetrics.connectionEstablished(transitionTime, timeToConnect, lease);
}
public void leaseRenewed(long lease) {
lastLeaseRenewalTime = System.currentTimeMillis();
if (deltaMetrics == null) {
createDeltaMetric();
}
deltaMetrics.leaseRenewed(lastLeaseRenewalTime, lease);
cumulativeMetrics.leaseRenewed(lastLeaseRenewalTime, lease);
}
public void connectionRefused() {
transitionTime = System.currentTimeMillis();
if (deltaMetrics == null) {
createDeltaMetric();
}
deltaMetrics.connectionRefused(transitionTime);
cumulativeMetrics.connectionRefused(transitionTime);
}
public void connectionDisconnected() {
transitionTime = System.currentTimeMillis();
if (deltaMetrics == null) {
createDeltaMetric();
}
deltaMetrics.connectionDisconnected(transitionTime);
cumulativeMetrics.connectionDisconnected(transitionTime);
}
}