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annotate src/org/eclipse/jetty/server/Connector.java @ 896:d002da24b510

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remove Connector forwarded code
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 06 Oct 2016 23:46:51 -0600
parents 49ff91097d6c
children 821e4634b787
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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;
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20
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21 import java.io.IOException;
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22 import java.net.InetAddress;
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23 import java.net.Socket;
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24 import java.net.UnknownHostException;
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25 import java.util.concurrent.ThreadPoolExecutor;
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26 import java.util.concurrent.atomic.AtomicLong;
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27
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28 import javax.servlet.ServletRequest;
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29
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30 import org.eclipse.jetty.http.HttpBuffers;
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31 import org.eclipse.jetty.http.HttpBuffersImpl;
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32 import org.eclipse.jetty.http.HttpFields;
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33 import org.eclipse.jetty.http.HttpHeaders;
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34 import org.eclipse.jetty.http.HttpSchemes;
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35 import org.eclipse.jetty.io.Buffers;
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36 import org.eclipse.jetty.io.Buffers.Type;
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37 import org.eclipse.jetty.io.Connection;
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38 import org.eclipse.jetty.io.EndPoint;
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39 import org.eclipse.jetty.io.EofException;
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40 import org.eclipse.jetty.util.component.AggregateLifeCycle;
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41 import org.eclipse.jetty.util.component.Dumpable;
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42 import org.slf4j.Logger;
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43 import org.slf4j.LoggerFactory;
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44
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45 /**
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46 * Abstract Connector implementation. This abstract implementation of the Connector interface provides:
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47 * <ul>
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48 * <li>AbstractLifeCycle implementation</li>
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49 * <li>Implementations for connector getters and setters</li>
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50 * <li>Buffer management</li>
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51 * <li>Socket configuration</li>
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52 * <li>Base acceptor thread</li>
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53 * <li>Optional reverse proxy headers checking</li>
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54 * </ul>
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55 */
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56 public abstract class Connector extends AggregateLifeCycle implements HttpBuffers, Dumpable
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57 {
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58 private static final Logger LOG = LoggerFactory.getLogger(Connector.class);
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59
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60 private String _name;
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61
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62 public final Server server;
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63 private String _host;
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64 public final int port;
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65 private int _acceptors = 1;
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66 private int _acceptorPriorityOffset = 0;
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67 private boolean _useDNS;
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68
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69 private boolean _reuseAddress = true;
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70
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71 protected int _maxIdleTime = 200000;
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72 protected int _lowResourceMaxIdleTime = -1;
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73 protected int _soLingerTime = -1;
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74
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75 private transient Thread[] _acceptorThreads;
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76
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77 protected final HttpBuffersImpl _buffers = new HttpBuffersImpl();
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78
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79 public Connector(Server server,int port) {
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80 this.server = server;
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81 this.port = port;
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82 server.connectors.add(this);
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83 addBean(_buffers);
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84 }
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85
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86 /* ------------------------------------------------------------ */
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87 /**
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88 */
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89 public void setHost(String host)
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90 {
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91 _host = host;
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92 }
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93
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94 /* ------------------------------------------------------------ */
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95 /*
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96 */
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97 public String getHost()
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98 {
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99 return _host;
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100 }
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101
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102 /* ------------------------------------------------------------ */
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103 /**
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104 * @return Returns the maxIdleTime.
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105 */
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106 public int getMaxIdleTime()
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107 {
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108 return _maxIdleTime;
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109 }
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110
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111 /* ------------------------------------------------------------ */
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112 /**
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113 * Set the maximum Idle time for a connection, which roughly translates to the {@link Socket#setSoTimeout(int)} call, although with NIO implementations
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114 * other mechanisms may be used to implement the timeout. The max idle time is applied:
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115 * <ul>
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116 * <li>When waiting for a new request to be received on a connection</li>
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117 * <li>When reading the headers and content of a request</li>
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118 * <li>When writing the headers and content of a response</li>
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119 * </ul>
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120 * Jetty interprets this value as the maximum time between some progress being made on the connection. So if a single byte is read or written, then the
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121 * timeout (if implemented by jetty) is reset. However, in many instances, the reading/writing is delegated to the JVM, and the semantic is more strictly
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122 * enforced as the maximum time a single read/write operation can take. Note, that as Jetty supports writes of memory mapped file buffers, then a write may
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123 * take many 10s of seconds for large content written to a slow device.
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124 * <p>
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125 * Previously, Jetty supported separate idle timeouts and IO operation timeouts, however the expense of changing the value of soTimeout was significant, so
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126 * these timeouts were merged. With the advent of NIO, it may be possible to again differentiate these values (if there is demand).
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127 *
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128 * @param maxIdleTime
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129 * The maxIdleTime to set.
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130 */
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131 public void setMaxIdleTime(int maxIdleTime)
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132 {
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133 _maxIdleTime = maxIdleTime;
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134 }
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135
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136 /* ------------------------------------------------------------ */
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137 /**
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138 * @return Returns the maxIdleTime when resources are low.
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139 */
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140 public int getLowResourcesMaxIdleTime()
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141 {
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142 return _lowResourceMaxIdleTime;
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143 }
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144
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145 /* ------------------------------------------------------------ */
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146 /**
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147 * @param maxIdleTime
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148 * The maxIdleTime to set when resources are low.
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149 */
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150 public void setLowResourcesMaxIdleTime(int maxIdleTime)
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151 {
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152 _lowResourceMaxIdleTime = maxIdleTime;
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153 }
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154
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155 /* ------------------------------------------------------------ */
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156 /**
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157 * @return Returns the maxIdleTime when resources are low.
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158 * @deprecated
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159 */
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160 @Deprecated
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161 public final int getLowResourceMaxIdleTime()
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162 {
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163 return getLowResourcesMaxIdleTime();
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164 }
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165
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166 /* ------------------------------------------------------------ */
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167 /**
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168 * @param maxIdleTime
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169 * The maxIdleTime to set when resources are low.
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170 * @deprecated
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171 */
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172 @Deprecated
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173 public final void setLowResourceMaxIdleTime(int maxIdleTime)
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174 {
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175 setLowResourcesMaxIdleTime(maxIdleTime);
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176 }
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177
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178 /* ------------------------------------------------------------ */
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179 /**
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180 * @return Returns the soLingerTime.
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181 */
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182 public int getSoLingerTime()
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183 {
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184 return _soLingerTime;
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185 }
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186
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187 /* ------------------------------------------------------------ */
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188 /**
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189 * @return Returns the number of acceptor threads.
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190 */
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191 public int getAcceptors()
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192 {
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193 return _acceptors;
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194 }
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195
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196 /* ------------------------------------------------------------ */
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197 /**
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198 * @param acceptors
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199 * The number of acceptor threads to set.
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200 */
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201 public void setAcceptors(int acceptors)
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202 {
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203 if (acceptors > 2 * Runtime.getRuntime().availableProcessors())
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204 LOG.warn("Acceptors should be <=2*availableProcessors: " + this);
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205 _acceptors = acceptors;
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206 }
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207
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208 /* ------------------------------------------------------------ */
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209 /**
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210 * @param soLingerTime
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211 * The soLingerTime to set or -1 to disable.
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212 */
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213 public void setSoLingerTime(int soLingerTime)
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214 {
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215 _soLingerTime = soLingerTime;
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216 }
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217
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218 /* ------------------------------------------------------------ */
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219 @Override
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220 protected void doStart() throws Exception
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221 {
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222 // open listener port
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223 open();
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224
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225 super.doStart();
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226
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227 // Start selector thread
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228 synchronized (this)
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229 {
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230 _acceptorThreads = new Thread[getAcceptors()];
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231
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232 ThreadPoolExecutor _threadPool = server.threadPool;
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233 for (int i = 0; i < _acceptorThreads.length; i++)
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234 _threadPool.execute(new Acceptor(i));
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235 if (server.isLowOnThreads())
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236 LOG.warn("insufficient threads configured for {}",this);
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237 }
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238
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239 LOG.info("Started {}",this);
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240 }
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241
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242 /* ------------------------------------------------------------ */
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243 @Override
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244 protected void doStop() throws Exception
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245 {
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246 try
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247 {
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248 close();
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249 }
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250 catch (IOException e)
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251 {
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252 LOG.warn("",e);
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253 }
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254
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255 super.doStop();
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256
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257 Thread[] acceptors;
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258 synchronized (this)
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259 {
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260 acceptors = _acceptorThreads;
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261 _acceptorThreads = null;
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262 }
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263 if (acceptors != null)
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264 {
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265 for (Thread thread : acceptors)
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266 {
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267 if (thread != null)
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268 thread.interrupt();
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269 }
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270 }
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271 }
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272
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273 /* ------------------------------------------------------------ */
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274 public void join() throws InterruptedException
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275 {
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276 Thread[] threads;
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277 synchronized(this)
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278 {
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279 threads=_acceptorThreads;
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280 }
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281 if (threads != null)
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282 for (Thread thread : threads)
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283 if (thread != null)
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284 thread.join();
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285 }
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286
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287 /* ------------------------------------------------------------ */
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288 protected void configure(Socket socket) throws IOException
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289 {
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290 try
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291 {
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292 socket.setTcpNoDelay(true);
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293 if (_soLingerTime >= 0)
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294 socket.setSoLinger(true,_soLingerTime / 1000);
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295 else
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296 socket.setSoLinger(false,0);
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297 }
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298 catch (Exception e)
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299 {
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300 LOG.trace("",e);
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301 }
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302 }
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303
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304 public void customize(EndPoint endpoint, Request request) throws IOException
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305 {
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306 }
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307
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308 /* ------------------------------------------------------------ */
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309 protected String getLeftMostFieldValue(HttpFields fields, String header)
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310 {
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311 if (header == null)
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312 return null;
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313
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314 String headerValue = fields.getStringField(header);
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315
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316 if (headerValue == null)
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317 return null;
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318
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319 int commaIndex = headerValue.indexOf(',');
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320
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321 if (commaIndex == -1)
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322 {
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323 // Single value
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324 return headerValue;
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325 }
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326
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327 // The left-most value is the farthest downstream client
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328 return headerValue.substring(0,commaIndex);
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329 }
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330
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331 /* ------------------------------------------------------------ */
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332 public void persist(EndPoint endpoint) throws IOException
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333 {
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334 }
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335
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336 /* ------------------------------------------------------------ */
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337 /*
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338 * @see org.eclipse.jetty.server.Connector#isConfidential(org.eclipse.jetty.server.Request)
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339 */
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340 public boolean isConfidential(Request request)
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341 {
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342 return false;
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343 }
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344
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345 /* ------------------------------------------------------------ */
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346 protected abstract void accept(int acceptorID) throws IOException, InterruptedException;
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diff changeset
347
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diff changeset
348 /* ------------------------------------------------------------ */
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diff changeset
349 public void stopAccept(int acceptorID) throws Exception
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diff changeset
350 {
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diff changeset
351 }
802
3428c60d7cfc replace jetty jars with source
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diff changeset
352
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ad292e148964 remove util/statistic
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diff changeset
353 /* ------------------------------------------------------------ */
885
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diff changeset
354 public boolean getResolveNames()
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diff changeset
355 {
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diff changeset
356 return _useDNS;
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diff changeset
357 }
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diff changeset
358
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diff changeset
359 /* ------------------------------------------------------------ */
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diff changeset
360 public void setResolveNames(boolean resolve)
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diff changeset
361 {
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diff changeset
362 _useDNS = resolve;
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diff changeset
363 }
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diff changeset
364
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diff changeset
365 public int getRequestBufferSize()
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diff changeset
366 {
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diff changeset
367 return _buffers.getRequestBufferSize();
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diff changeset
368 }
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diff changeset
369
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diff changeset
370 public void setRequestBufferSize(int requestBufferSize)
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diff changeset
371 {
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diff changeset
372 _buffers.setRequestBufferSize(requestBufferSize);
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diff changeset
373 }
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diff changeset
374
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diff changeset
375 public int getRequestHeaderSize()
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diff changeset
376 {
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diff changeset
377 return _buffers.getRequestHeaderSize();
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diff changeset
378 }
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diff changeset
379
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diff changeset
380 public void setRequestHeaderSize(int requestHeaderSize)
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381 {
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diff changeset
382 _buffers.setRequestHeaderSize(requestHeaderSize);
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diff changeset
383 }
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diff changeset
384
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diff changeset
385 public int getResponseBufferSize()
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diff changeset
386 {
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diff changeset
387 return _buffers.getResponseBufferSize();
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diff changeset
388 }
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diff changeset
389
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diff changeset
390 public void setResponseBufferSize(int responseBufferSize)
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diff changeset
391 {
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diff changeset
392 _buffers.setResponseBufferSize(responseBufferSize);
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diff changeset
393 }
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diff changeset
394
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diff changeset
395 public int getResponseHeaderSize()
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diff changeset
396 {
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diff changeset
397 return _buffers.getResponseHeaderSize();
150092cebf3e remove AbstractConnector
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diff changeset
398 }
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
399
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diff changeset
400 public void setResponseHeaderSize(int responseHeaderSize)
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diff changeset
401 {
150092cebf3e remove AbstractConnector
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diff changeset
402 _buffers.setResponseHeaderSize(responseHeaderSize);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
403 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
404
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Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
405 public Type getRequestBufferType()
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
406 {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
407 return _buffers.getRequestBufferType();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
408 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
409
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
410 public Type getRequestHeaderType()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
411 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
412 return _buffers.getRequestHeaderType();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
413 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
414
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
415 public Type getResponseBufferType()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
416 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
417 return _buffers.getResponseBufferType();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
418 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
419
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
420 public Type getResponseHeaderType()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
421 {
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
422 return _buffers.getResponseHeaderType();
150092cebf3e remove AbstractConnector
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parents: 865
diff changeset
423 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
424
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
425 public void setRequestBuffers(Buffers requestBuffers)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
426 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
427 _buffers.setRequestBuffers(requestBuffers);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
428 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
429
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Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
430 public void setResponseBuffers(Buffers responseBuffers)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
431 {
150092cebf3e remove AbstractConnector
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parents: 865
diff changeset
432 _buffers.setResponseBuffers(responseBuffers);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
433 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
434
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
435 public Buffers getRequestBuffers()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
436 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
437 return _buffers.getRequestBuffers();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
438 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
439
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
440 public Buffers getResponseBuffers()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
441 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
442 return _buffers.getResponseBuffers();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
443 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
444
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
445 public int getMaxBuffers()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
446 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
447 return _buffers.getMaxBuffers();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
448 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
449
818
ad292e148964 remove util/statistic
Franklin Schmidt <fschmidt@gmail.com>
parents: 802
diff changeset
450 /* ------------------------------------------------------------ */
885
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
451 @Override
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Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
452 public String toString()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
453 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
454 return String.format("%s@%s:%d",
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
455 getClass().getSimpleName(),
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
456 getHost()==null?"0.0.0.0":getHost(),
887
df84a1741687 make Connector reference to server explicit
Franklin Schmidt <fschmidt@gmail.com>
parents: 885
diff changeset
457 getLocalPort()<=0 ? port : getLocalPort());
885
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
458 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
459
818
ad292e148964 remove util/statistic
Franklin Schmidt <fschmidt@gmail.com>
parents: 802
diff changeset
460 /* ------------------------------------------------------------ */
885
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
461 /* ------------------------------------------------------------ */
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
462 /* ------------------------------------------------------------ */
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
463 private class Acceptor implements Runnable
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
464 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
465 int _acceptor = 0;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
466
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
467 Acceptor(int id)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
468 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
469 _acceptor = id;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
470 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
471
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
472 /* ------------------------------------------------------------ */
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
473 public void run()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
474 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
475 Thread current = Thread.currentThread();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
476 String name;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
477 synchronized (Connector.this)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
478 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
479 if (_acceptorThreads == null)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
480 return;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
481
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
482 _acceptorThreads[_acceptor] = current;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
483 name = _acceptorThreads[_acceptor].getName();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
484 current.setName(name + " Acceptor" + _acceptor + " " + Connector.this);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
485 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
486 int old_priority = current.getPriority();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
487
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
488 try
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
489 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
490 current.setPriority(old_priority - _acceptorPriorityOffset);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
491 while (isRunning() && getConnection() != null)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
492 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
493 try
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
494 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
495 accept(_acceptor);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
496 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
497 catch (EofException e)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
498 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
499 LOG.trace("",e);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
500 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
501 catch (IOException e)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
502 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
503 LOG.trace("",e);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
504 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
505 catch (InterruptedException x)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
506 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
507 // Connector has been stopped
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
508 LOG.trace("",x);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
509 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
510 catch (Throwable e)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
511 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
512 LOG.warn("",e);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
513 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
514 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
515 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
516 finally
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
517 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
518 current.setPriority(old_priority);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
519 current.setName(name);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
520
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
521 synchronized (Connector.this)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
522 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
523 if (_acceptorThreads != null)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
524 _acceptorThreads[_acceptor] = null;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
525 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
526 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
527 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
528 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
529
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
530 /* ------------------------------------------------------------ */
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531 public String getName()
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532 {
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533 if (_name == null)
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534 _name = (getHost() == null?"0.0.0.0":getHost()) + ":" + (getLocalPort() <= 0?port:getLocalPort());
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535 return _name;
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536 }
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537
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538 /* ------------------------------------------------------------ */
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539 public void setName(String name)
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540 {
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541 _name = name;
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542 }
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543
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544 /* ------------------------------------------------------------ */
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545 protected void connectionOpened(Connection connection)
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546 {
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547 }
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548
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549 /* ------------------------------------------------------------ */
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550 protected void connectionUpgraded(Connection oldConnection, Connection newConnection)
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551 {
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552 }
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553
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554 /* ------------------------------------------------------------ */
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555 protected void connectionClosed(Connection connection)
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556 {
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557 connection.onClose();
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558 }
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559
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560 /* ------------------------------------------------------------ */
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561 /**
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562 * @return the acceptorPriority
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563 */
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564 public int getAcceptorPriorityOffset()
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565 {
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566 return _acceptorPriorityOffset;
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567 }
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568
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569 /* ------------------------------------------------------------ */
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570 /**
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571 * Set the priority offset of the acceptor threads. The priority is adjusted by this amount (default 0) to either favour the acceptance of new threads and
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572 * newly active connections or to favour the handling of already dispatched connections.
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573 *
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574 * @param offset
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575 * the amount to alter the priority of the acceptor threads.
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576 */
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577 public void setAcceptorPriorityOffset(int offset)
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578 {
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579 _acceptorPriorityOffset = offset;
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580 }
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581
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582 /* ------------------------------------------------------------ */
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583 /**
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584 * @return True if the the server socket will be opened in SO_REUSEADDR mode.
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585 */
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586 public boolean getReuseAddress()
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587 {
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588 return _reuseAddress;
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589 }
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590
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591 /* ------------------------------------------------------------ */
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592 /**
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593 * @param reuseAddress
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594 * True if the the server socket will be opened in SO_REUSEADDR mode.
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595 */
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596 public void setReuseAddress(boolean reuseAddress)
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597 {
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598 _reuseAddress = reuseAddress;
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599 }
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600
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601 /* ------------------------------------------------------------ */
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602 public final boolean isLowResources()
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603 {
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604 return server.isLowOnThreads();
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605 }
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606
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607 /* ------------------------------------------------------------ */
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608 private void updateNotEqual(AtomicLong valueHolder, long compare, long value)
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609 {
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610 long oldValue = valueHolder.get();
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611 while (compare != oldValue)
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612 {
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613 if (valueHolder.compareAndSet(oldValue,value))
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614 break;
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615 oldValue = valueHolder.get();
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616 }
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617 }
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618
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619 // from old interface
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620 public abstract void open() throws IOException;
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621 public abstract void close() throws IOException;
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622 public abstract int getLocalPort();
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623 public abstract Object getConnection();
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624 }