/*
* 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.pipe;
import net.jxta.endpoint.EndpointAddress;
import net.jxta.endpoint.Message;
import net.jxta.id.ID;
import net.jxta.logging.Logging;
import net.jxta.peergroup.PeerGroup;
import net.jxta.protocol.PipeAdvertisement;
import java.io.IOException;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* This class implements the Secure non blocking Output Pipe
*/
class SecureOutputPipe extends NonBlockingOutputPipe {
private static final Logger LOG = Logger.getLogger(SecureOutputPipe.class.getName());
public SecureOutputPipe(PeerGroup group, PipeResolver resolver, PipeAdvertisement pipeAdv, ID destPeer, Set<? extends ID> peers) throws IOException {
super(group, resolver, pipeAdv, destPeer, peers);
}
/**
* {@inheritDoc}
*
* <p/>
* We can't fail to send a message. Secure pipes are expected to be
* reliable and ordered.
*/
@Override
public synchronized boolean send(Message msg) throws IOException {
boolean sent = false;
int attempts = 1;
while (!sent && !isClosed()) {
try {
sent = super.send(msg);
if (!sent) {
wait(10 + (1 << Math.min(attempts, 14)));
attempts++;
}
} catch (InterruptedException woken) {
Thread.interrupted();
}
}
if (!sent && isClosed()) {
IOException failed = new IOException("Could not enqueue " + msg + " for sending. Pipe is closed.");
if (Logging.SHOW_WARNING && LOG.isLoggable(Level.WARNING)) {
LOG.log(Level.WARNING, failed.getMessage(), failed);
}
throw failed;
}
return sent;
}
/**
* {@inheritDoc}
*/
@Override
protected EndpointAddress mkAddress(ID destPeer, ID pipeID) {
return new EndpointAddress("jxtatls", destPeer.getUniqueValue().toString(), "PipeService", pipeID.toString());
}
}