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annotate src/org/eclipse/jetty/io/nio/SelectChannelEndPoint.java @ 960:3cd4c706a61f

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simplify ChannelEndPoint
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 13 Oct 2016 21:29:19 -0600
parents 7b94f5b33c64
children 790c01734386
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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.io.nio;
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20
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21 import java.io.IOException;
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22 import java.io.InterruptedIOException;
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23 import java.nio.channels.ClosedChannelException;
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24 import java.nio.channels.SelectableChannel;
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25 import java.nio.channels.SelectionKey;
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26 import java.nio.channels.SocketChannel;
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27 import java.util.Locale;
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28 import java.util.concurrent.RejectedExecutionException;
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29
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30 import org.eclipse.jetty.io.AsyncEndPoint;
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31 import org.eclipse.jetty.io.Buffer;
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32 import org.eclipse.jetty.io.ConnectedEndPoint;
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33 import org.eclipse.jetty.io.Connection;
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34 import org.eclipse.jetty.io.EofException;
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35 import org.eclipse.jetty.io.nio.SelectorManager.SelectSet;
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36 import org.slf4j.Logger;
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37 import org.slf4j.LoggerFactory;
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38
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39
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40 /* ------------------------------------------------------------ */
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41 /**
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42 * An Endpoint that can be scheduled by {@link SelectorManager}.
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43 */
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44 public final class SelectChannelEndPoint extends ChannelEndPoint implements AsyncEndPoint, ConnectedEndPoint
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45 {
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46 public static final Logger LOG=LoggerFactory.getLogger("org.eclipse.jetty.io.nio");
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47
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48 private final SelectorManager.SelectSet _selectSet;
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49 private final SelectorManager _manager;
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50 private SelectionKey _key;
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51 private final Runnable _handler = new Runnable()
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52 {
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53 public void run() { handle(); }
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54 };
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55
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56 /** The desired value for {@link SelectionKey#interestOps()} */
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57 private int _interestOps;
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58
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59 /**
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60 * The connection instance is the handler for any IO activity on the endpoint.
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61 * There is a different type of connection for HTTP, AJP, WebSocket and
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62 * ProxyConnect. The connection may change for an SCEP as it is upgraded
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63 * from HTTP to proxy connect or websocket.
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64 */
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65 private volatile AsyncConnection _connection;
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66
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67 private static final int STATE_NEEDS_DISPATCH = -1;
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68 private static final int STATE_UNDISPATCHED = 0;
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69 private static final int STATE_DISPATCHED = 1;
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70 private int _state;
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71
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72 /** true if the last write operation succeed and wrote all offered bytes */
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73 private volatile boolean _writable = true;
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74
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75 /** True if a thread has is blocked in {@link #blockReadable(long)} */
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76 private boolean _readBlocked;
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77
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78 /** True if a thread has is blocked in {@link #blockWritable(long)} */
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79 private boolean _writeBlocked;
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80
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81 private boolean _ishut;
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82
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83 public SelectChannelEndPoint(SocketChannel channel, SelectSet selectSet, SelectionKey key, int maxIdleTime)
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84 throws IOException
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85 {
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86 super(channel, maxIdleTime);
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87
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88 _manager = selectSet.getManager();
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89 _selectSet = selectSet;
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90 _state = STATE_UNDISPATCHED;
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91 _key = key;
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92 }
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93
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94 @Override
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95 public Connection getConnection()
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96 {
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97 return _connection;
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98 }
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99
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100 @Override
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101 public void setConnection(Connection connection)
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102 {
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103 _connection = (AsyncConnection)connection;
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104 }
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105
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106 /* ------------------------------------------------------------ */
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107 /** Called by selectSet to schedule handling
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108 *
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109 */
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110 public synchronized void schedule()
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111 {
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112 // If there is no key, then do nothing
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113 if (_key == null || !_key.isValid())
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114 {
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115 _readBlocked = false;
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116 _writeBlocked = false;
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117 this.notifyAll();
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118 return;
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119 }
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120
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121 // If there are threads dispatched reading and writing
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122 if (_readBlocked || _writeBlocked)
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123 {
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124 // assert _dispatched;
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125 if (_readBlocked && _key.isReadable())
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126 _readBlocked=false;
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127 if (_writeBlocked && _key.isWritable())
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128 _writeBlocked = false;
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129
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130 // wake them up is as good as a dispatched.
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131 this.notifyAll();
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132
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133 // we are not interested in further selecting
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134 _key.interestOps(0);
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135 if (_state<STATE_DISPATCHED)
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136 updateKey();
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137 return;
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138 }
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139
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140 // Remove writeable op
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141 if ((_key.readyOps() & SelectionKey.OP_WRITE) == SelectionKey.OP_WRITE && (_key.interestOps() & SelectionKey.OP_WRITE) == SelectionKey.OP_WRITE)
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142 {
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143 // Remove writeable op
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144 _interestOps = _key.interestOps() & ~SelectionKey.OP_WRITE;
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145 _key.interestOps(_interestOps);
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146 _writable = true; // Once writable is in ops, only removed with dispatch.
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147 }
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148
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149 // If dispatched, then deregister interest
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150 if (_state>=STATE_DISPATCHED)
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151 _key.interestOps(0);
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152 else
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153 {
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154 // other wise do the dispatch
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155 dispatch();
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156 }
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157 }
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158
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159 @Override
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160 public synchronized void dispatch()
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161 {
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162 if (_state<=STATE_UNDISPATCHED)
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163 {
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164 _state = STATE_DISPATCHED;
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165 try {
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166 _manager.execute(_handler);
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167 } catch(RejectedExecutionException e) {
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168 _state = STATE_NEEDS_DISPATCH;
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169 LOG.warn("Dispatched Failed! "+this+" to "+_manager);
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170 updateKey();
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171 }
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172 }
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173 }
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174
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175 @Override
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176 public int fill(Buffer buffer) throws IOException
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177 {
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178 int fill=super.fill(buffer);
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179 return fill;
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180 }
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181
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182 @Override
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183 public int flush(Buffer header, Buffer buffer, Buffer trailer) throws IOException
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184 {
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185 int l = super.flush(header, buffer, trailer);
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186
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187 // If there was something to write and it wasn't written, then we are not writable.
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188 if (l==0 && ( header!=null && header.hasContent() || buffer!=null && buffer.hasContent() || trailer!=null && trailer.hasContent()))
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189 {
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190 synchronized (this)
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191 {
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192 _writable = false;
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193 if (_state<STATE_DISPATCHED)
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194 updateKey();
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195 }
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196 }
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197 else if (l>0)
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198 {
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199 _writable = true;
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200 }
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201 return l;
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202 }
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203
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204 @Override
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205 public int flush(Buffer buffer) throws IOException
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206 {
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207 int l = super.flush(buffer);
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208
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209 // If there was something to write and it wasn't written, then we are not writable.
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210 if (l==0 && buffer!=null && buffer.hasContent())
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211 {
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212 synchronized (this)
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213 {
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214 _writable = false;
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215 if (_state<STATE_DISPATCHED)
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216 updateKey();
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217 }
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218 }
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219 else if (l>0)
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220 {
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221 _writable = true;
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222 }
802
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223
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224 return l;
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225 }
802
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226
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227 /* ------------------------------------------------------------ */
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228 /*
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229 * Allows thread to block waiting for further events.
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230 */
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231 @Override
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232 public boolean blockReadable(long timeoutMs) throws IOException
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233 {
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234 synchronized (this)
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235 {
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236 if (isInputShutdown())
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237 throw new EofException();
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238
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239 long now = _selectSet.getNow();
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240 long end = now+timeoutMs;
865
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241 try
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242 {
955
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diff changeset
243 _readBlocked = true;
865
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244 while (!isInputShutdown() && _readBlocked)
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245 {
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246 try
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diff changeset
247 {
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248 updateKey();
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diff changeset
249 this.wait(timeoutMs>0?(end-now):10000);
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250 }
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diff changeset
251 catch (final InterruptedException e)
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diff changeset
252 {
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253 LOG.warn("",e);
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diff changeset
254 }
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diff changeset
255 finally
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diff changeset
256 {
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diff changeset
257 now=_selectSet.getNow();
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diff changeset
258 }
802
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259
865
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diff changeset
260 if (_readBlocked && timeoutMs>0 && now>=end)
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261 return false;
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262 }
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263 }
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diff changeset
264 finally
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265 {
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266 _readBlocked = false;
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267 }
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268 }
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269 return true;
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270 }
802
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271
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272 /* ------------------------------------------------------------ */
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273 /*
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274 * Allows thread to block waiting for further events.
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diff changeset
275 */
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276 @Override
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277 public boolean blockWritable(long timeoutMs) throws IOException
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diff changeset
278 {
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diff changeset
279 synchronized (this)
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280 {
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diff changeset
281 if (isOutputShutdown())
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diff changeset
282 throw new EofException();
802
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283
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284 long now=_selectSet.getNow();
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285 long end=now+timeoutMs;
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diff changeset
286 try
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287 {
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288 _writeBlocked = true;
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diff changeset
289 while (_writeBlocked && !isOutputShutdown())
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290 {
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diff changeset
291 try
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292 {
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diff changeset
293 updateKey();
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diff changeset
294 this.wait(timeoutMs>0?(end-now):10000);
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295 }
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diff changeset
296 catch (final InterruptedException e)
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diff changeset
297 {
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diff changeset
298 LOG.warn("",e);
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diff changeset
299 }
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diff changeset
300 finally
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diff changeset
301 {
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diff changeset
302 now=_selectSet.getNow();
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diff changeset
303 }
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diff changeset
304 if (_writeBlocked && timeoutMs>0 && now>=end)
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diff changeset
305 return false;
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diff changeset
306 }
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diff changeset
307 }
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diff changeset
308 finally
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diff changeset
309 {
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310 _writeBlocked = false;
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311 }
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312 }
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313 return true;
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diff changeset
314 }
802
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315
955
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diff changeset
316 @Override
865
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diff changeset
317 public boolean hasProgressed()
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diff changeset
318 {
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diff changeset
319 return false;
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diff changeset
320 }
802
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321
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diff changeset
322 /* ------------------------------------------------------------ */
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diff changeset
323 /**
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diff changeset
324 * Updates selection key. Adds operations types to the selection key as needed. No operations
6b210bb66c63 remove ThreadPool
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diff changeset
325 * are removed as this is only done during dispatch. This method records the new key and
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diff changeset
326 * schedules a call to doUpdateKey to do the keyChange
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diff changeset
327 */
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diff changeset
328 private void updateKey()
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diff changeset
329 {
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diff changeset
330 final boolean changed;
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diff changeset
331 synchronized (this)
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diff changeset
332 {
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diff changeset
333 int current_ops=-1;
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diff changeset
334 if (getChannel().isOpen())
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diff changeset
335 {
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diff changeset
336 boolean read_interest = _readBlocked || (_state<STATE_DISPATCHED && !_connection.isSuspended());
6b210bb66c63 remove ThreadPool
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parents: 820
diff changeset
337 boolean write_interest= _writeBlocked || (_state<STATE_DISPATCHED && !_writable);
802
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parents:
diff changeset
338
865
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diff changeset
339 _interestOps =
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diff changeset
340 ((!_socket.isInputShutdown() && read_interest ) ? SelectionKey.OP_READ : 0)
6b210bb66c63 remove ThreadPool
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diff changeset
341 | ((!_socket.isOutputShutdown()&& write_interest) ? SelectionKey.OP_WRITE : 0);
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
342 try
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
343 {
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
344 current_ops = ((_key!=null && _key.isValid())?_key.interestOps():-1);
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
345 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
346 catch(Exception e)
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
347 {
953
7db4a488fc82 simplify SelectorManager
Franklin Schmidt <fschmidt@gmail.com>
parents: 952
diff changeset
348 _key = null;
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
349 LOG.trace("",e);
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
350 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
351 }
955
6f49b8dfffe6 simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 953
diff changeset
352 changed = _interestOps!=current_ops;
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
353 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
354
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
355 if(changed)
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
356 {
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
357 doUpdateKey();
950
a778413aefc0 add SaneSelector
Franklin Schmidt <fschmidt@gmail.com>
parents: 949
diff changeset
358 _selectSet.getSelector().update();
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
359 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
360 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
361
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
362
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
363 /* ------------------------------------------------------------ */
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
364 /**
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
365 * Synchronize the interestOps with the actual key. Call is scheduled by a call to updateKey
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
366 */
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
367 synchronized void doUpdateKey()
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
368 {
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
369 if (getChannel().isOpen())
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
370 {
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
371 if (_interestOps>0)
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
372 {
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
373 if (_key==null || !_key.isValid())
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
374 {
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
375 SelectableChannel sc = (SelectableChannel)getChannel();
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
376 if (sc.isRegistered())
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
377 {
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
378 updateKey();
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
379 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
380 else
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
381 {
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
382 try
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
383 {
953
7db4a488fc82 simplify SelectorManager
Franklin Schmidt <fschmidt@gmail.com>
parents: 952
diff changeset
384 _key = _selectSet.getSelector().register(sc,_interestOps,this);
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
385 }
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
386 catch (Exception e)
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
387 {
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
388 LOG.trace("",e);
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
389 if (_key!=null && _key.isValid())
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
390 {
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
391 _key.cancel();
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
392 }
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
393
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
394 _key = null;
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
395 }
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
396 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
397 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
398 else
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
399 {
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
400 _key.interestOps(_interestOps);
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
401 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
402 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
403 else
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
404 {
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
405 if (_key!=null && _key.isValid())
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
406 _key.interestOps(0);
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
407 else
953
7db4a488fc82 simplify SelectorManager
Franklin Schmidt <fschmidt@gmail.com>
parents: 952
diff changeset
408 _key = null;
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
409 }
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
410 }
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
411 else
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
412 {
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
413 if (_key!=null && _key.isValid())
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
414 _key.cancel();
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
415
949
e9088af3787f remove SelectSet._changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 948
diff changeset
416 _key = null;
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
417 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
418 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
419
955
6f49b8dfffe6 simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 953
diff changeset
420 private void handle()
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
421 {
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
422 try
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
423 {
947
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
424 try
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
425 {
947
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
426 while(true)
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
427 {
947
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
428 final AsyncConnection next = (AsyncConnection)_connection.handle();
960
3cd4c706a61f simplify ChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 959
diff changeset
429 if (next==_connection)
3cd4c706a61f simplify ChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 959
diff changeset
430 break;
3cd4c706a61f simplify ChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 959
diff changeset
431 LOG.debug("{} replaced {}",next,_connection);
3cd4c706a61f simplify ChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 959
diff changeset
432 _connection=next;
947
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
433 }
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
434 }
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
435 catch (ClosedChannelException e)
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
436 {
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
437 LOG.trace("",e);
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
438 }
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
439 catch (EofException e)
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
440 {
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
441 LOG.debug("EOF", e);
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
442 try{close();}
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
443 catch(IOException e2){LOG.trace("",e2);}
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
444 }
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
445 catch (IOException e)
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
446 {
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
447 LOG.warn(e.toString());
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
448 try{close();}
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
449 catch(IOException e2){LOG.trace("",e2);}
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
450 }
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
451 catch (Throwable e)
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
452 {
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
453 LOG.warn("handle failed", e);
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
454 try{close();}
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
455 catch(IOException e2){LOG.trace("",e2);}
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
456 }
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
457 finally
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
458 {
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
459 if (!_ishut && isInputShutdown() && isOpen())
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
460 {
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
461 _ishut = true;
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
462 try
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
463 {
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
464 _connection.onInputShutdown();
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
465 }
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
466 catch(Throwable x)
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
467 {
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
468 LOG.warn("onInputShutdown failed", x);
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
469 try{close();}
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
470 catch(IOException e2){LOG.trace("",e2);}
64f3d8dae31d simplify SelectChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 946
diff changeset
471 }
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
472 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
473 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
474 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
475 finally
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
476 {
960
3cd4c706a61f simplify ChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 959
diff changeset
477 _state = STATE_UNDISPATCHED;
3cd4c706a61f simplify ChannelEndPoint
Franklin Schmidt <fschmidt@gmail.com>
parents: 959
diff changeset
478 updateKey();
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
479 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
480 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
481
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
482 /* ------------------------------------------------------------ */
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
483 /*
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
484 * @see org.eclipse.io.nio.ChannelEndPoint#close()
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
485 */
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
486 @Override
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
487 public void close() throws IOException
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
488 {
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
489 try
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
490 {
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
491 super.close();
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
492 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
493 catch (IOException e)
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
494 {
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
495 LOG.trace("",e);
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
496 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
497 finally
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
498 {
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
499 updateKey();
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
500 }
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
501 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
502
865
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
503 @Override
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
504 public String toString()
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
505 {
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
506 // Do NOT use synchronized (this)
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
507 // because it's very easy to deadlock when debugging is enabled.
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
508 // We do a best effort to print the right toString() and that's it.
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
509 SelectionKey key = _key;
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
510 String keyString = "";
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
511 if (key != null)
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
512 {
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
513 if (key.isValid())
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
514 {
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
515 if (key.isReadable())
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
516 keyString += "r";
6b210bb66c63 remove ThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
517 if (key.isWritable())
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518 keyString += "w";
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519 }
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520 else
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521 {
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522 keyString += "!";
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523 }
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524 }
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525 else
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526 {
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527 keyString += "-";
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528 }
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529 return String.format("SCEP@%x{l(%s)<->r(%s),s=%d,open=%b,ishut=%b,oshut=%b,rb=%b,wb=%b,w=%b,i=%d%s}-{%s}",
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530 hashCode(),
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531 _socket.getRemoteSocketAddress(),
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532 _socket.getLocalSocketAddress(),
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533 _state,
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534 isOpen(),
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535 isInputShutdown(),
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536 isOutputShutdown(),
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537 _readBlocked,
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538 _writeBlocked,
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539 _writable,
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540 _interestOps,
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541 keyString,
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542 _connection);
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543 }
802
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544
865
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545 /* ------------------------------------------------------------ */
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546 /**
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547 * Don't set the SoTimeout
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548 * @see org.eclipse.jetty.io.nio.ChannelEndPoint#setMaxIdleTime(int)
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549 */
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550 @Override
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551 public void setMaxIdleTime(int timeMs) throws IOException
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552 {
955
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553 _maxIdleTime = timeMs;
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554 }
802
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555
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556 }