/* * Copyright (c) 2001-2007 Sun Microsystems, 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.edge; import net.jxta.id.ID; import net.jxta.impl.rendezvous.PeerConnection; import net.jxta.impl.rendezvous.RendezVousServiceImpl; import net.jxta.impl.util.TimeUtils; import net.jxta.peergroup.PeerGroup; import net.jxta.protocol.PeerAdvertisement; import java.util.logging.Logger; /** * Manages a connection with a client or a rendezvous peer. */ public class RdvConnection extends PeerConnection { /** * Logger */ private final static transient Logger LOG = Logger.getLogger(RdvConnection.class.getName()); protected long leasedTil; protected long beginRenewalAt; protected PeerAdvertisement cachedPeerAdvertisement = null; protected int cachedModCount = -1; /** * Constructor for the PeerConnection object * * @param group group context * @param rdvService the rendezvous service to use for sending messages. * @param peer destination peerid */ public RdvConnection(PeerGroup group, RendezVousServiceImpl rdvService, ID peer) { super(group, rdvService.endpoint, peer); cachedPeerAdvertisement = group.getPeerAdvertisement(); cachedModCount = cachedPeerAdvertisement.getModCount(); } /** * {@inheritDoc} */ @Override public String toString() { return super.toString() + " / " + Long.toString(TimeUtils.toRelativeTimeMillis(beginRenewalAt)); } /** * {@inheritDoc} */ @Override protected void setLease(long leaseDuration) { setLease(leaseDuration, 0); } /** * Set the lease duration in relative milliseconds. * * @param leaseDuration the lease duration in relative milliseconds. * @param earlyRenewal amount of time in relative milliseconds before lease end to begin renewal */ public void setLease(long leaseDuration, long earlyRenewal) { if (leaseDuration < earlyRenewal) { throw new IllegalArgumentException("Renewal scheduled before begining of lease"); } super.setLease(leaseDuration); beginRenewalAt = TimeUtils.toAbsoluteTimeMillis(leaseDuration - earlyRenewal); } /** * Declare that we are connected. * * @param padv the node advertisement * @param leaseDuration lease duration in milliseconds * @param earlyRenewal early renwal in milliseconds */ public void connect(PeerAdvertisement padv, long leaseDuration, long earlyRenewal) { super.connect(leaseDuration); setLease(leaseDuration, earlyRenewal); // We will almost certainly need a messenger soon. Get it now. getCachedMessenger(padv); } /** * Time at which the lease needs renewal in absolute milliseconds. * * @return The lease value */ public long getRenewal() { return beginRenewalAt; } }