2 * Copyright (c) 2003-2007 Sun Microsystems, 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:
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
16 * 3. The end-user documentation included with the redistribution, if any, must
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.
22 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
23 * not be used to endorse or promote products derived from this software
24 * without prior written permission. For written permission, please contact
25 * Project JXTA at http://www.jxta.org.
27 * 5. Products derived from this software may not be called "JXTA", nor may
28 * "JXTA" appear in their name, without prior written permission of Sun.
30 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
32 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
33 * MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
34 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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37 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
38 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
39 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 * JXTA is a registered trademark of Sun Microsystems, Inc. in the United
42 * States and other countries.
44 * Please see the license information page at :
45 * <http://www.jxta.org/project/www/license.html> for instructions on use of
46 * the license in source files.
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.util.pipe.reliable;
60 import java.io.IOException;
61 import java.lang.IllegalStateException;
63 import net.jxta.pipe.OutputPipe;
64 import net.jxta.endpoint.Message;
65 import net.jxta.impl.util.TimeUtils;
69 * And ountgoing pipe adaptor which does not use a thread or queue.
70 * Additionally, the pipe does not need to be provided at construction time.
71 * The send() method blocks until the pipe is specified.
73 public class OutgoingPipeAdaptorSync implements Outgoing {
75 private OutputPipe pipe = null;
76 private long lastAccessed = 0;
77 private boolean closed = false;
79 public OutgoingPipeAdaptorSync(OutputPipe pipe) {
81 // Null permitted. Send will block until setPipe is called.
84 // initialize to some reasonable value
85 lastAccessed = TimeUtils.timeNow();
88 public boolean sendNb(Message msg) throws IOException {
95 if (closed || locPipe == null) {
104 public boolean send(Message msg) throws IOException {
108 synchronized (this) {
109 while (pipe == null && !closed) {
112 } catch (InterruptedException ignore) {}
120 return locPipe.send(msg);
123 public void setPipe(OutputPipe pipe) {
124 synchronized (this) {
125 if (closed || this.pipe != null) {
126 throw new IllegalStateException("Cannot change pipe nor re-open");
136 public void close() {
137 synchronized (this) {
156 public long getMinIdleReconnectTime() {
157 return 10 * TimeUtils.AMINUTE;
163 * <p/>Default should be "never", otherwise, connection closes while not
164 * in active use and ReliableOutputStream does NOT reconnect automatically.
166 public long getIdleTimeout() {
167 return Long.MAX_VALUE;
173 public void setTimeout(int timeout) {}
178 * <p/>This is the important tunable: how long to wait on a stale connection.
180 public long getMaxRetryAge() {
181 return 1 * TimeUtils.AMINUTE;
187 public long getLastAccessed() {
194 public void setLastAccessed(long time) {
202 public String toString() {
203 return ((pipe == null) ? "no pipe yet" : pipe.toString()) + " lastAccessed=" + Long.toString(lastAccessed);