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annotate src/org/eclipse/jetty/server/nio/SelectChannelConnector.java @ 970:d82eb99e8df6

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remove ConnectorSelectorManager
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 14 Oct 2016 05:24:18 -0600
parents 0d20943cfea2
children f997df37cec1
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19 package org.eclipse.jetty.server.nio;
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20
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21 import java.io.IOException;
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22 import java.net.InetSocketAddress;
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23 import java.net.Socket;
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24 import java.nio.channels.SelectionKey;
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25 import java.nio.channels.ServerSocketChannel;
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26 import java.nio.channels.SocketChannel;
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27
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28 import org.eclipse.jetty.io.AsyncEndPoint;
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29 import org.eclipse.jetty.io.Connection;
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30 import org.eclipse.jetty.io.EndPoint;
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31 import org.eclipse.jetty.io.nio.AsyncConnection;
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32 import org.eclipse.jetty.io.nio.SelectChannelEndPoint;
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33 import org.eclipse.jetty.io.nio.SelectorManager;
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34 import org.eclipse.jetty.server.AsyncHttpConnection;
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35 import org.eclipse.jetty.server.Connector;
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36 import org.eclipse.jetty.server.Request;
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37 import org.eclipse.jetty.server.Server;
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38
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39 /* ------------------------------------------------------------------------------- */
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40 /**
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41 * Selecting NIO connector.
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42 * <p>
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43 * This connector uses efficient NIO buffers with a non blocking threading model. Direct NIO buffers
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44 * are used and threads are only allocated to connections with requests. Synchronization is used to
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45 * simulate blocking for the servlet API, and any unflushed content at the end of request handling
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46 * is written asynchronously.
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47 * </p>
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48 * <p>
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49 * This connector is best used when there are a many connections that have idle periods.
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50 * </p>
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51 *
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52 * @org.apache.xbean.XBean element="nioConnector" description="Creates an NIO based socket connector"
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53 */
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54 public class SelectChannelConnector extends Connector
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55 {
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56 private final SelectorManager _manager = new SelectorManager(this);
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57
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58 public SelectChannelConnector(Server server,int port)
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59 {
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60 super(server,port);
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61 addBean(_manager,true);
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62 }
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63
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64 @Override
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65 public final void accept() throws IOException
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66 {
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67 ServerSocketChannel server = _acceptChannel;
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68
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69 if (server!=null && server.isOpen() && _manager.isStarted())
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70 {
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71 final SocketChannel channel = server.accept();
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72 channel.configureBlocking(false);
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73 Socket socket = channel.socket();
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74 configure(socket);
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75 this.server.threadPool.execute(new Runnable(){public void run(){
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76 _manager.register(channel);
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77 }});
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78 }
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79 }
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80
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81 @Override
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82 public void customize(EndPoint endpoint, Request request) throws IOException
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83 {
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84 request.setTimeStamp(System.currentTimeMillis());
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85 endpoint.setMaxIdleTime(_maxIdleTime);
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86 super.customize(endpoint, request);
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87 }
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89 @Override
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90 protected synchronized void doStart() throws Exception
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91 {
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92 if (_acceptChannel == null)
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93 {
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94 // Create a new server socket
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95 _acceptChannel = ServerSocketChannel.open();
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96 // Set to blocking mode
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97 _acceptChannel.configureBlocking(true);
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98
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99 // Bind the server socket to the local host and port
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100 _acceptChannel.socket().setReuseAddress(true);
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101 InetSocketAddress addr = getHost()==null?new InetSocketAddress(port):new InetSocketAddress(getHost(),port);
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102 _acceptChannel.bind(addr);
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103 if( _acceptChannel.socket().getLocalPort() != port)
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104 throw new IOException("Server channel not bound");
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105 }
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106
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107 super.doStart();
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108 }
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109
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110 public AsyncConnection newConnection(SocketChannel channel,AsyncEndPoint endpoint)
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111 {
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112 return new AsyncHttpConnection(SelectChannelConnector.this,endpoint,server);
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113 }
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114 }