Mercurial Hosting > luan
comparison src/org/eclipse/jetty/server/nio/InheritedChannelConnector.java @ 802:3428c60d7cfc
replace jetty jars with source
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Wed, 07 Sep 2016 21:15:48 -0600 |
parents | |
children | 8e9db0bbf4f9 |
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801:6a21393191c1 | 802:3428c60d7cfc |
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1 // | |
2 // ======================================================================== | |
3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. | |
4 // ------------------------------------------------------------------------ | |
5 // All rights reserved. This program and the accompanying materials | |
6 // are made available under the terms of the Eclipse Public License v1.0 | |
7 // and Apache License v2.0 which accompanies this distribution. | |
8 // | |
9 // The Eclipse Public License is available at | |
10 // http://www.eclipse.org/legal/epl-v10.html | |
11 // | |
12 // The Apache License v2.0 is available at | |
13 // http://www.opensource.org/licenses/apache2.0.php | |
14 // | |
15 // You may elect to redistribute this code under either of these licenses. | |
16 // ======================================================================== | |
17 // | |
18 | |
19 package org.eclipse.jetty.server.nio; | |
20 | |
21 import java.io.IOException; | |
22 import java.nio.channels.Channel; | |
23 import java.nio.channels.ServerSocketChannel; | |
24 | |
25 import org.eclipse.jetty.util.log.Log; | |
26 import org.eclipse.jetty.util.log.Logger; | |
27 | |
28 /** | |
29 * An implementation of the SelectChannelConnector which first tries to | |
30 * inherit from a channel provided by the system. If there is no inherited | |
31 * channel available, or if the inherited channel provided not usable, then | |
32 * it will fall back upon normal ServerSocketChannel creation. | |
33 * <p> | |
34 * Note that System.inheritedChannel() is only available from Java 1.5 onwards. | |
35 * Trying to use this class under Java 1.4 will be the same as using a normal | |
36 * SelectChannelConnector. | |
37 * <p> | |
38 * Use it with xinetd/inetd, to launch an instance of Jetty on demand. The port | |
39 * used to access pages on the Jetty instance is the same as the port used to | |
40 * launch Jetty. | |
41 * | |
42 * @author athena | |
43 */ | |
44 public class InheritedChannelConnector extends SelectChannelConnector | |
45 { | |
46 private static final Logger LOG = Log.getLogger(InheritedChannelConnector.class); | |
47 | |
48 /* ------------------------------------------------------------ */ | |
49 @Override | |
50 public void open() throws IOException | |
51 { | |
52 synchronized(this) | |
53 { | |
54 try | |
55 { | |
56 Channel channel = System.inheritedChannel(); | |
57 if ( channel instanceof ServerSocketChannel ) | |
58 _acceptChannel = (ServerSocketChannel)channel; | |
59 else | |
60 LOG.warn("Unable to use System.inheritedChannel() [" +channel+ "]. Trying a new ServerSocketChannel at " + getHost() + ":" + getPort()); | |
61 | |
62 if ( _acceptChannel != null ) | |
63 _acceptChannel.configureBlocking(true); | |
64 } | |
65 catch(NoSuchMethodError e) | |
66 { | |
67 LOG.warn("Need at least Java 5 to use socket inherited from xinetd/inetd."); | |
68 } | |
69 | |
70 if (_acceptChannel == null) | |
71 super.open(); | |
72 } | |
73 } | |
74 | |
75 } |