Mercurial Hosting > luan
annotate src/org/eclipse/jetty/server/nio/BlockingChannelConnector.java @ 866:f8c7b718f513
remove NetworkTrafficListener
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Sun, 02 Oct 2016 20:47:02 -0600 |
parents | 6b210bb66c63 |
children | df84a1741687 |
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.nio; |
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20 |
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21 import java.io.IOException; |
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22 import java.net.InetSocketAddress; |
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23 import java.net.Socket; |
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24 import java.nio.channels.ByteChannel; |
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25 import java.nio.channels.SelectionKey; |
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26 import java.nio.channels.ServerSocketChannel; |
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27 import java.nio.channels.SocketChannel; |
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28 import java.util.Set; |
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29 import java.util.concurrent.ConcurrentHashMap; |
865 | 30 import java.util.concurrent.RejectedExecutionException; |
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31 |
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32 import org.eclipse.jetty.http.HttpException; |
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33 import org.eclipse.jetty.io.Buffer; |
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34 import org.eclipse.jetty.io.ConnectedEndPoint; |
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35 import org.eclipse.jetty.io.Connection; |
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36 import org.eclipse.jetty.io.EndPoint; |
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37 import org.eclipse.jetty.io.EofException; |
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38 import org.eclipse.jetty.io.nio.ChannelEndPoint; |
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39 import org.eclipse.jetty.server.BlockingHttpConnection; |
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40 import org.eclipse.jetty.server.Request; |
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41 import org.slf4j.Logger; |
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42 import org.slf4j.LoggerFactory; |
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43 |
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44 |
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45 /* ------------------------------------------------------------------------------- */ |
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46 /** Blocking NIO connector. |
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47 * This connector uses efficient NIO buffers with a traditional blocking thread model. |
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48 * Direct NIO buffers are used and a thread is allocated per connections. |
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49 * |
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50 * This connector is best used when there are a few very active connections. |
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51 * |
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52 * @org.apache.xbean.XBean element="blockingNioConnector" description="Creates a blocking NIO based socket connector" |
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53 * |
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54 * |
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55 * |
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56 */ |
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57 public class BlockingChannelConnector extends AbstractNIOConnector |
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58 { |
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59 private static final Logger LOG = LoggerFactory.getLogger(BlockingChannelConnector.class); |
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60 |
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61 private transient ServerSocketChannel _acceptChannel; |
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62 private final Set<BlockingChannelEndPoint> _endpoints = new ConcurrentHashMap<BlockingChannelEndPoint,Boolean>().newKeySet(); |
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63 |
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64 |
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65 /* ------------------------------------------------------------ */ |
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66 /** Constructor. |
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67 * |
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68 */ |
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69 public BlockingChannelConnector() |
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70 { |
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71 } |
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72 |
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73 /* ------------------------------------------------------------ */ |
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74 public Object getConnection() |
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75 { |
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76 return _acceptChannel; |
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77 } |
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78 |
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79 /* ------------------------------------------------------------ */ |
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80 /** |
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81 * @see org.eclipse.jetty.server.AbstractConnector#doStart() |
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82 */ |
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83 @Override |
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84 protected void doStart() throws Exception |
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85 { |
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86 super.doStart(); |
865 | 87 getThreadPool().execute(new Runnable() |
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88 { |
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89 |
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90 public void run() |
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91 { |
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92 while (isRunning()) |
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93 { |
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94 try |
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95 { |
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96 Thread.sleep(400); |
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97 long now=System.currentTimeMillis(); |
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98 for (BlockingChannelEndPoint endp : _endpoints) |
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99 { |
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100 endp.checkIdleTimestamp(now); |
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101 } |
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102 } |
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103 catch(InterruptedException e) |
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104 { |
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105 LOG.trace("",e); |
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106 } |
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107 catch(Exception e) |
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108 { |
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109 LOG.warn("",e); |
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110 } |
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111 } |
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112 } |
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113 |
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114 }); |
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115 |
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116 } |
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117 |
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118 |
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119 /* ------------------------------------------------------------ */ |
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120 public void open() throws IOException |
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121 { |
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122 // Create a new server socket and set to non blocking mode |
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123 _acceptChannel= ServerSocketChannel.open(); |
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124 _acceptChannel.configureBlocking(true); |
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125 |
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126 // Bind the server socket to the local host and port |
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127 InetSocketAddress addr = getHost()==null?new InetSocketAddress(getPort()):new InetSocketAddress(getHost(),getPort()); |
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128 _acceptChannel.socket().bind(addr,getAcceptQueueSize()); |
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129 } |
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130 |
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131 /* ------------------------------------------------------------ */ |
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132 public void close() throws IOException |
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133 { |
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134 if (_acceptChannel != null) |
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135 _acceptChannel.close(); |
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136 _acceptChannel=null; |
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137 } |
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138 |
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139 /* ------------------------------------------------------------ */ |
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140 @Override |
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141 public void accept(int acceptorID) |
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142 throws IOException, InterruptedException |
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143 { |
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144 SocketChannel channel = _acceptChannel.accept(); |
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145 channel.configureBlocking(true); |
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146 Socket socket=channel.socket(); |
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147 configure(socket); |
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148 |
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149 BlockingChannelEndPoint connection=new BlockingChannelEndPoint(channel); |
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150 connection.dispatch(); |
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151 } |
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152 |
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153 /* ------------------------------------------------------------------------------- */ |
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154 @Override |
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155 public void customize(EndPoint endpoint, Request request) |
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156 throws IOException |
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157 { |
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158 super.customize(endpoint, request); |
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159 endpoint.setMaxIdleTime(_maxIdleTime); |
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160 configure(((SocketChannel)endpoint.getTransport()).socket()); |
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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 public int getLocalPort() |
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166 { |
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167 if (_acceptChannel==null || !_acceptChannel.isOpen()) |
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168 return -1; |
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169 return _acceptChannel.socket().getLocalPort(); |
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170 } |
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171 |
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172 /* ------------------------------------------------------------------------------- */ |
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173 /* ------------------------------------------------------------------------------- */ |
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174 /* ------------------------------------------------------------------------------- */ |
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175 private class BlockingChannelEndPoint extends ChannelEndPoint implements Runnable, ConnectedEndPoint |
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176 { |
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177 private Connection _connection; |
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178 private int _timeout; |
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179 private volatile long _idleTimestamp; |
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180 |
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181 BlockingChannelEndPoint(ByteChannel channel) |
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182 throws IOException |
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183 { |
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184 super(channel,BlockingChannelConnector.this._maxIdleTime); |
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185 _connection = new BlockingHttpConnection(BlockingChannelConnector.this,this,getServer()); |
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186 } |
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187 |
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188 /* ------------------------------------------------------------ */ |
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189 /** Get the connection. |
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190 * @return the connection |
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191 */ |
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192 public Connection getConnection() |
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193 { |
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194 return _connection; |
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195 } |
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196 |
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197 /* ------------------------------------------------------------ */ |
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198 public void setConnection(Connection connection) |
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199 { |
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200 _connection=connection; |
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201 } |
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202 |
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203 /* ------------------------------------------------------------ */ |
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204 public void checkIdleTimestamp(long now) |
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205 { |
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206 if (_idleTimestamp!=0 && _timeout>0 && now>(_idleTimestamp+_timeout)) |
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207 { |
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208 idleExpired(); |
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209 } |
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210 } |
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211 |
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212 /* ------------------------------------------------------------ */ |
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213 protected void idleExpired() |
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214 { |
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215 try |
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216 { |
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217 super.close(); |
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218 } |
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219 catch (IOException e) |
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220 { |
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221 LOG.trace("",e); |
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222 } |
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223 } |
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224 |
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225 /* ------------------------------------------------------------ */ |
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226 void dispatch() throws IOException |
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227 { |
865 | 228 try { |
229 getThreadPool().execute(this); | |
230 } catch(RejectedExecutionException e) { | |
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231 LOG.warn("dispatch failed for {}",_connection); |
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232 super.close(); |
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233 } |
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234 } |
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235 |
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236 /* ------------------------------------------------------------ */ |
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237 /** |
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238 * @see org.eclipse.jetty.io.nio.ChannelEndPoint#fill(org.eclipse.jetty.io.Buffer) |
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239 */ |
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240 @Override |
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241 public int fill(Buffer buffer) throws IOException |
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242 { |
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243 _idleTimestamp=System.currentTimeMillis(); |
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244 return super.fill(buffer); |
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245 } |
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246 |
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247 /* ------------------------------------------------------------ */ |
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248 /** |
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249 * @see org.eclipse.jetty.io.nio.ChannelEndPoint#flush(org.eclipse.jetty.io.Buffer) |
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250 */ |
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251 @Override |
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252 public int flush(Buffer buffer) throws IOException |
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253 { |
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254 _idleTimestamp=System.currentTimeMillis(); |
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255 return super.flush(buffer); |
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256 } |
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257 |
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258 /* ------------------------------------------------------------ */ |
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259 /** |
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260 * @see org.eclipse.jetty.io.nio.ChannelEndPoint#flush(org.eclipse.jetty.io.Buffer, org.eclipse.jetty.io.Buffer, org.eclipse.jetty.io.Buffer) |
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261 */ |
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262 @Override |
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263 public int flush(Buffer header, Buffer buffer, Buffer trailer) throws IOException |
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264 { |
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265 _idleTimestamp=System.currentTimeMillis(); |
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266 return super.flush(header,buffer,trailer); |
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267 } |
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268 |
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269 /* ------------------------------------------------------------ */ |
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270 public void run() |
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271 { |
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272 try |
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273 { |
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274 _timeout=getMaxIdleTime(); |
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275 connectionOpened(_connection); |
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276 _endpoints.add(this); |
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277 |
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278 while (isOpen()) |
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279 { |
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280 _idleTimestamp=System.currentTimeMillis(); |
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281 if (_connection.isIdle()) |
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282 { |
865 | 283 if (getServer().isLowOnThreads()) |
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284 { |
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285 int lrmit = getLowResourcesMaxIdleTime(); |
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286 if (lrmit>=0 && _timeout!= lrmit) |
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287 { |
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288 _timeout=lrmit; |
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289 } |
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290 } |
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291 } |
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292 else |
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293 { |
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294 if (_timeout!=getMaxIdleTime()) |
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295 { |
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296 _timeout=getMaxIdleTime(); |
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297 } |
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298 } |
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299 |
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300 _connection = _connection.handle(); |
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301 |
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302 } |
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303 } |
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304 catch (EofException e) |
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305 { |
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306 LOG.debug("EOF", e); |
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307 try{BlockingChannelEndPoint.this.close();} |
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308 catch(IOException e2){LOG.trace("",e2);} |
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309 } |
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310 catch (HttpException e) |
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311 { |
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312 LOG.debug("BAD", e); |
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313 try{super.close();} |
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314 catch(IOException e2){LOG.trace("",e2);} |
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315 } |
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316 catch(Throwable e) |
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317 { |
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318 LOG.warn("handle failed",e); |
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319 try{super.close();} |
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320 catch(IOException e2){LOG.trace("",e2);} |
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321 } |
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322 finally |
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323 { |
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324 connectionClosed(_connection); |
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325 _endpoints.remove(this); |
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326 |
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327 // wait for client to close, but if not, close ourselves. |
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328 try |
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329 { |
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330 if (!_socket.isClosed()) |
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331 { |
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332 long timestamp=System.currentTimeMillis(); |
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333 int max_idle=getMaxIdleTime(); |
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334 |
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335 _socket.setSoTimeout(getMaxIdleTime()); |
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336 int c=0; |
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337 do |
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338 { |
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339 c = _socket.getInputStream().read(); |
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340 } |
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341 while (c>=0 && (System.currentTimeMillis()-timestamp)<max_idle); |
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342 if (!_socket.isClosed()) |
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343 _socket.close(); |
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344 } |
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345 } |
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346 catch(IOException e) |
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347 { |
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348 LOG.trace("",e); |
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349 } |
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350 } |
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351 } |
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352 |
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353 /* ------------------------------------------------------------ */ |
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354 @Override |
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355 public String toString() |
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356 { |
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357 return String.format("BCEP@%x{l(%s)<->r(%s),open=%b,ishut=%b,oshut=%b}-{%s}", |
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358 hashCode(), |
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359 _socket.getRemoteSocketAddress(), |
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360 _socket.getLocalSocketAddress(), |
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361 isOpen(), |
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362 isInputShutdown(), |
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363 isOutputShutdown(), |
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364 _connection); |
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365 } |
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366 |
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367 } |
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368 } |