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annotate src/org/eclipse/jetty/server/Connector.java @ 898:39c12b2306a2

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remove _useDNS
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 06 Oct 2016 23:57:43 -0600
parents 821e4634b787
children 3abf945c33e3
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rev   line source
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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
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68 protected int _maxIdleTime = 200000;
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69 protected int _lowResourceMaxIdleTime = -1;
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70 protected int _soLingerTime = -1;
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71
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72 private transient Thread[] _acceptorThreads;
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73
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74 protected final HttpBuffersImpl _buffers = new HttpBuffersImpl();
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75
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76 public Connector(Server server,int port) {
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77 this.server = server;
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78 this.port = port;
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79 server.connectors.add(this);
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80 addBean(_buffers);
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81 }
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82
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83 /* ------------------------------------------------------------ */
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84 /**
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85 */
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86 public void setHost(String host)
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87 {
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88 _host = host;
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89 }
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90
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91 /* ------------------------------------------------------------ */
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92 /*
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93 */
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94 public String getHost()
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95 {
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96 return _host;
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97 }
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98
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99 /* ------------------------------------------------------------ */
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100 /**
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101 * @return Returns the maxIdleTime.
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102 */
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103 public int getMaxIdleTime()
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104 {
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105 return _maxIdleTime;
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106 }
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107
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108 /* ------------------------------------------------------------ */
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109 /**
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110 * 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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111 * other mechanisms may be used to implement the timeout. The max idle time is applied:
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112 * <ul>
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113 * <li>When waiting for a new request to be received on a connection</li>
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114 * <li>When reading the headers and content of a request</li>
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115 * <li>When writing the headers and content of a response</li>
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116 * </ul>
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117 * 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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118 * 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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119 * 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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120 * take many 10s of seconds for large content written to a slow device.
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121 * <p>
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122 * 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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123 * 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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124 *
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125 * @param maxIdleTime
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126 * The maxIdleTime to set.
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127 */
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128 public void setMaxIdleTime(int maxIdleTime)
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129 {
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130 _maxIdleTime = maxIdleTime;
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131 }
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132
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133 /* ------------------------------------------------------------ */
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134 /**
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135 * @return Returns the maxIdleTime when resources are low.
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136 */
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137 public int getLowResourcesMaxIdleTime()
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138 {
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139 return _lowResourceMaxIdleTime;
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140 }
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141
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142 /* ------------------------------------------------------------ */
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143 /**
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144 * @param maxIdleTime
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145 * The maxIdleTime to set when resources are low.
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146 */
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147 public void setLowResourcesMaxIdleTime(int maxIdleTime)
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148 {
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149 _lowResourceMaxIdleTime = maxIdleTime;
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150 }
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151
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152 /* ------------------------------------------------------------ */
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153 /**
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154 * @return Returns the maxIdleTime when resources are low.
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155 * @deprecated
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156 */
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157 @Deprecated
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158 public final int getLowResourceMaxIdleTime()
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159 {
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160 return getLowResourcesMaxIdleTime();
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161 }
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162
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163 /* ------------------------------------------------------------ */
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164 /**
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165 * @param maxIdleTime
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166 * The maxIdleTime to set when resources are low.
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167 * @deprecated
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168 */
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169 @Deprecated
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170 public final void setLowResourceMaxIdleTime(int maxIdleTime)
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171 {
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172 setLowResourcesMaxIdleTime(maxIdleTime);
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173 }
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174
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175 /* ------------------------------------------------------------ */
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176 /**
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177 * @return Returns the soLingerTime.
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178 */
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179 public int getSoLingerTime()
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180 {
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181 return _soLingerTime;
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182 }
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183
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184 /* ------------------------------------------------------------ */
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185 /**
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186 * @return Returns the number of acceptor threads.
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187 */
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188 public int getAcceptors()
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189 {
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190 return _acceptors;
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191 }
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192
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193 /* ------------------------------------------------------------ */
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194 /**
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195 * @param acceptors
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196 * The number of acceptor threads to set.
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197 */
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198 public void setAcceptors(int acceptors)
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199 {
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200 if (acceptors > 2 * Runtime.getRuntime().availableProcessors())
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201 LOG.warn("Acceptors should be <=2*availableProcessors: " + this);
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202 _acceptors = acceptors;
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203 }
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204
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205 /* ------------------------------------------------------------ */
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206 /**
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207 * @param soLingerTime
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208 * The soLingerTime to set or -1 to disable.
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209 */
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210 public void setSoLingerTime(int soLingerTime)
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211 {
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212 _soLingerTime = soLingerTime;
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213 }
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214
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215 /* ------------------------------------------------------------ */
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216 @Override
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217 protected void doStart() throws Exception
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218 {
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219 // open listener port
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220 open();
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221
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222 super.doStart();
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223
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224 // Start selector thread
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225 synchronized (this)
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226 {
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227 _acceptorThreads = new Thread[getAcceptors()];
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228
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229 ThreadPoolExecutor _threadPool = server.threadPool;
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230 for (int i = 0; i < _acceptorThreads.length; i++)
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231 _threadPool.execute(new Acceptor(i));
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232 if (server.isLowOnThreads())
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233 LOG.warn("insufficient threads configured for {}",this);
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234 }
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235
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236 LOG.info("Started {}",this);
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237 }
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238
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239 /* ------------------------------------------------------------ */
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240 @Override
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241 protected void doStop() throws Exception
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242 {
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243 try
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244 {
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245 close();
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246 }
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247 catch (IOException e)
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248 {
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249 LOG.warn("",e);
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250 }
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251
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252 super.doStop();
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253
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254 Thread[] acceptors;
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255 synchronized (this)
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256 {
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257 acceptors = _acceptorThreads;
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258 _acceptorThreads = null;
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259 }
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260 if (acceptors != null)
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261 {
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262 for (Thread thread : acceptors)
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263 {
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264 if (thread != null)
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265 thread.interrupt();
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266 }
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267 }
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268 }
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269
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270 /* ------------------------------------------------------------ */
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271 public void join() throws InterruptedException
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272 {
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273 Thread[] threads;
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274 synchronized(this)
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275 {
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276 threads=_acceptorThreads;
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277 }
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278 if (threads != null)
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279 for (Thread thread : threads)
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280 if (thread != null)
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281 thread.join();
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282 }
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283
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284 /* ------------------------------------------------------------ */
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285 protected void configure(Socket socket) throws IOException
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286 {
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287 try
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288 {
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289 socket.setTcpNoDelay(true);
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290 if (_soLingerTime >= 0)
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291 socket.setSoLinger(true,_soLingerTime / 1000);
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292 else
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293 socket.setSoLinger(false,0);
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294 }
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295 catch (Exception e)
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296 {
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297 LOG.trace("",e);
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298 }
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299 }
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300
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301 public void customize(EndPoint endpoint, Request request) throws IOException
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302 {
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303 }
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304
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305 /* ------------------------------------------------------------ */
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306 protected String getLeftMostFieldValue(HttpFields fields, String header)
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307 {
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308 if (header == null)
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309 return null;
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310
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311 String headerValue = fields.getStringField(header);
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312
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313 if (headerValue == null)
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314 return null;
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315
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316 int commaIndex = headerValue.indexOf(',');
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317
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318 if (commaIndex == -1)
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319 {
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320 // Single value
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321 return headerValue;
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322 }
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323
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324 // The left-most value is the farthest downstream client
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325 return headerValue.substring(0,commaIndex);
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326 }
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327
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328 /* ------------------------------------------------------------ */
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329 public void persist(EndPoint endpoint) throws IOException
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330 {
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331 }
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332
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333 /* ------------------------------------------------------------ */
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334 /*
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335 * @see org.eclipse.jetty.server.Connector#isConfidential(org.eclipse.jetty.server.Request)
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336 */
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337 public boolean isConfidential(Request request)
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338 {
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339 return false;
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340 }
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341
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342 /* ------------------------------------------------------------ */
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343 protected abstract void accept(int acceptorID) throws IOException, InterruptedException;
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344
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345 /* ------------------------------------------------------------ */
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diff changeset
346 public void stopAccept(int acceptorID) throws Exception
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diff changeset
347 {
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diff changeset
348 }
802
3428c60d7cfc replace jetty jars with source
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diff changeset
349
885
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diff changeset
350 public int getRequestBufferSize()
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diff changeset
351 {
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diff changeset
352 return _buffers.getRequestBufferSize();
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diff changeset
353 }
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diff changeset
354
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diff changeset
355 public void setRequestBufferSize(int requestBufferSize)
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diff changeset
356 {
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diff changeset
357 _buffers.setRequestBufferSize(requestBufferSize);
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diff changeset
358 }
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diff changeset
359
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diff changeset
360 public int getRequestHeaderSize()
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diff changeset
361 {
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diff changeset
362 return _buffers.getRequestHeaderSize();
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
363 }
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
364
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diff changeset
365 public void setRequestHeaderSize(int requestHeaderSize)
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diff changeset
366 {
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diff changeset
367 _buffers.setRequestHeaderSize(requestHeaderSize);
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parents: 865
diff changeset
368 }
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Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
369
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diff changeset
370 public int getResponseBufferSize()
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Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
371 {
150092cebf3e remove AbstractConnector
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parents: 865
diff changeset
372 return _buffers.getResponseBufferSize();
150092cebf3e remove AbstractConnector
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parents: 865
diff changeset
373 }
150092cebf3e remove AbstractConnector
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parents: 865
diff changeset
374
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diff changeset
375 public void setResponseBufferSize(int responseBufferSize)
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
376 {
150092cebf3e remove AbstractConnector
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parents: 865
diff changeset
377 _buffers.setResponseBufferSize(responseBufferSize);
150092cebf3e remove AbstractConnector
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diff changeset
378 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
379
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parents: 865
diff changeset
380 public int getResponseHeaderSize()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
381 {
150092cebf3e remove AbstractConnector
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parents: 865
diff changeset
382 return _buffers.getResponseHeaderSize();
150092cebf3e remove AbstractConnector
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parents: 865
diff changeset
383 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
384
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
385 public void setResponseHeaderSize(int responseHeaderSize)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
386 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
387 _buffers.setResponseHeaderSize(responseHeaderSize);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
388 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
389
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parents: 865
diff changeset
390 public Type getRequestBufferType()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
391 {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
392 return _buffers.getRequestBufferType();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
393 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
394
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
395 public Type getRequestHeaderType()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
396 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
397 return _buffers.getRequestHeaderType();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
398 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
399
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
400 public Type getResponseBufferType()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
401 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
402 return _buffers.getResponseBufferType();
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
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
405 public Type getResponseHeaderType()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
406 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
407 return _buffers.getResponseHeaderType();
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 void setRequestBuffers(Buffers requestBuffers)
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 _buffers.setRequestBuffers(requestBuffers);
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 void setResponseBuffers(Buffers responseBuffers)
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 _buffers.setResponseBuffers(responseBuffers);
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 Buffers getRequestBuffers()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
421 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
422 return _buffers.getRequestBuffers();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
423 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
424
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
425 public Buffers getResponseBuffers()
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 return _buffers.getResponseBuffers();
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
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
430 public int getMaxBuffers()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
431 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
432 return _buffers.getMaxBuffers();
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
818
ad292e148964 remove util/statistic
Franklin Schmidt <fschmidt@gmail.com>
parents: 802
diff changeset
435 /* ------------------------------------------------------------ */
885
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
436 @Override
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
437 public String toString()
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 return String.format("%s@%s:%d",
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
440 getClass().getSimpleName(),
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
441 getHost()==null?"0.0.0.0":getHost(),
887
df84a1741687 make Connector reference to server explicit
Franklin Schmidt <fschmidt@gmail.com>
parents: 885
diff changeset
442 getLocalPort()<=0 ? port : getLocalPort());
885
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
443 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
444
818
ad292e148964 remove util/statistic
Franklin Schmidt <fschmidt@gmail.com>
parents: 802
diff changeset
445 /* ------------------------------------------------------------ */
885
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 /* ------------------------------------------------------------ */
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
448 private class Acceptor implements Runnable
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
449 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
450 int _acceptor = 0;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
451
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
452 Acceptor(int id)
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 _acceptor = id;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
455 }
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
456
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
457 /* ------------------------------------------------------------ */
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
458 public void run()
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
459 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
460 Thread current = Thread.currentThread();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
461 String name;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
462 synchronized (Connector.this)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
463 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
464 if (_acceptorThreads == null)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
465 return;
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 _acceptorThreads[_acceptor] = current;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
468 name = _acceptorThreads[_acceptor].getName();
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
469 current.setName(name + " Acceptor" + _acceptor + " " + Connector.this);
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 int old_priority = current.getPriority();
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 try
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 current.setPriority(old_priority - _acceptorPriorityOffset);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
476 while (isRunning() && getConnection() != null)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
477 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
478 try
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
479 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
480 accept(_acceptor);
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 catch (EofException e)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
483 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
484 LOG.trace("",e);
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 catch (IOException e)
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 LOG.trace("",e);
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 catch (InterruptedException x)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
491 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
492 // Connector has been stopped
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
493 LOG.trace("",x);
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 catch (Throwable e)
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 LOG.warn("",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 }
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 finally
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 current.setPriority(old_priority);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
504 current.setName(name);
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
505
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
506 synchronized (Connector.this)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
507 {
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
508 if (_acceptorThreads != null)
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
509 _acceptorThreads[_acceptor] = null;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
510 }
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 }
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 public String getName()
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 if (_name == null)
887
df84a1741687 make Connector reference to server explicit
Franklin Schmidt <fschmidt@gmail.com>
parents: 885
diff changeset
519 _name = (getHost() == null?"0.0.0.0":getHost()) + ":" + (getLocalPort() <= 0?port:getLocalPort());
885
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
520 return _name;
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
521 }
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 /* ------------------------------------------------------------ */
150092cebf3e remove AbstractConnector
Franklin Schmidt <fschmidt@gmail.com>
parents: 865
diff changeset
524 public void setName(String name)
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 _name = name;
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 /* ------------------------------------------------------------ */
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530 protected void connectionOpened(Connection connection)
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531 {
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532 }
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533
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534 /* ------------------------------------------------------------ */
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535 protected void connectionUpgraded(Connection oldConnection, Connection newConnection)
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536 {
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537 }
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538
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539 /* ------------------------------------------------------------ */
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540 protected void connectionClosed(Connection connection)
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541 {
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542 connection.onClose();
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543 }
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544
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545 /* ------------------------------------------------------------ */
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546 /**
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547 * @return the acceptorPriority
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548 */
885
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549 public int getAcceptorPriorityOffset()
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550 {
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551 return _acceptorPriorityOffset;
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552 }
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553
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554 /* ------------------------------------------------------------ */
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555 /**
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556 * 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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557 * newly active connections or to favour the handling of already dispatched connections.
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558 *
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559 * @param offset
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560 * the amount to alter the priority of the acceptor threads.
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561 */
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562 public void setAcceptorPriorityOffset(int offset)
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563 {
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564 _acceptorPriorityOffset = offset;
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565 }
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566
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567 /* ------------------------------------------------------------ */
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568 public final boolean isLowResources()
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569 {
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570 return server.isLowOnThreads();
885
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571 }
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572
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573 /* ------------------------------------------------------------ */
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574 private void updateNotEqual(AtomicLong valueHolder, long compare, long value)
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575 {
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576 long oldValue = valueHolder.get();
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577 while (compare != oldValue)
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578 {
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579 if (valueHolder.compareAndSet(oldValue,value))
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580 break;
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581 oldValue = valueHolder.get();
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582 }
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583 }
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584
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585 // from old interface
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586 public abstract void open() throws IOException;
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587 public abstract void close() throws IOException;
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588 public abstract int getLocalPort();
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589 public abstract Object getConnection();
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590 }