/*
 * Copyright (c) 2003-2007 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.util.pipe.reliable;


import net.jxta.endpoint.Message;
import net.jxta.impl.util.TimeUtils;
import net.jxta.logging.Logging;
import net.jxta.pipe.OutputPipe;

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;


public class OutgoingPipeAdaptor implements Outgoing {
    
    private static final Logger LOG = Logger.getLogger(OutgoingPipeAdaptor.class.getName());
    
    private final OutputPipe pipe;
    
    private long lastAccessed = 0;
    
    public OutgoingPipeAdaptor(OutputPipe pipe, int wsize) {
        if (pipe == null) {
            throw new IllegalArgumentException("pipe cannot be null.");
        }
        
        this.pipe = pipe;

        // initialize to some reasonable value
        lastAccessed = TimeUtils.timeNow();
    }
    
    /**
     *  {@inheritDoc}
     */
    @Override
    public String toString() {
        return pipe.toString() + " lastAccessed=" + Long.toString(lastAccessed);
    }
    
    /**
     *  {@inheritDoc}
     */
    public boolean send(Message msg) throws IOException {
        try {
            return pipe.send(msg);
        } catch (IOException ex) {
            if (Logging.SHOW_WARNING && LOG.isLoggable(Level.WARNING)) {
                LOG.log(Level.WARNING, "Failed to send message " + msg, ex);
            }
            
            return false;
        }
    }
    
    /**
     *  {@inheritDoc}
     */
    public void close() {
        pipe.close();
    }
    
    /**
     *  {@inheritDoc}
     */
    public long getMinIdleReconnectTime() {
        return 10 * TimeUtils.AMINUTE;
    }
    
    /**
     *  {@inheritDoc}
     */
    public void setTimeout(int timeout) {}
    
    /**
     *  {@inheritDoc}
     *
     * <p/>Default should be "never", otherwise, connection closes while not
     * in active use and ReliableOutputStream does NOT reconnect automatically.
     */
    public long getIdleTimeout() {
        return Long.MAX_VALUE;
    }
    
    /**
     *  {@inheritDoc}
     *
     *  <p/>This is the important tunable: how long to wait on a stale connection.
     */
    public long getMaxRetryAge() {
        return 2 * TimeUtils.AMINUTE;
    }
    
    /**
     *  {@inheritDoc}
     */
    public long getLastAccessed() {
        return lastAccessed;
    }
    
    /**
     *  {@inheritDoc}
     */
    public void setLastAccessed(long time) {
        lastAccessed = time;
    }
}