Mercurial Hosting > luan
annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 1068:9d357b9e4bcb
fix BufferUtil.newBuffer()
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Thu, 10 Nov 2016 00:23:05 -0700 |
| parents | 158d1e6ac17f |
| children | a44fc6b53757 |
| 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.io.InputStream; |
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23 import java.io.PrintWriter; |
| 985 | 24 import java.io.Writer; |
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25 import java.nio.ByteBuffer; |
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26 import java.nio.channels.Channels; |
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27 import java.nio.channels.ReadableByteChannel; |
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28 |
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29 import javax.servlet.ServletInputStream; |
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30 import javax.servlet.ServletOutputStream; |
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31 import javax.servlet.http.HttpServletRequest; |
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32 import javax.servlet.http.HttpServletResponse; |
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33 |
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34 import org.eclipse.jetty.http.HttpException; |
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35 import org.eclipse.jetty.http.HttpFields; |
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36 import org.eclipse.jetty.http.HttpGenerator; |
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37 import org.eclipse.jetty.http.HttpHeaderValues; |
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38 import org.eclipse.jetty.http.HttpHeaders; |
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39 import org.eclipse.jetty.http.HttpMethods; |
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40 import org.eclipse.jetty.http.HttpParser; |
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41 import org.eclipse.jetty.http.HttpStatus; |
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42 import org.eclipse.jetty.http.HttpURI; |
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43 import org.eclipse.jetty.http.HttpVersions; |
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44 import org.eclipse.jetty.http.MimeTypes; |
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45 import org.eclipse.jetty.io.AbstractConnection; |
| 1048 | 46 import org.eclipse.jetty.io.JBuffer; |
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47 import org.eclipse.jetty.io.Buffers; |
| 1046 | 48 import org.eclipse.jetty.io.BufferUtil; |
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49 import org.eclipse.jetty.io.EndPoint; |
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50 import org.eclipse.jetty.io.EofException; |
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51 import org.eclipse.jetty.io.RuntimeIOException; |
| 985 | 52 import org.eclipse.jetty.util.ByteArrayOutputStream2; |
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53 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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54 import org.eclipse.jetty.util.StringUtil; |
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55 import org.eclipse.jetty.util.URIUtil; |
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56 import org.slf4j.Logger; |
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57 import org.slf4j.LoggerFactory; |
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58 import org.eclipse.jetty.util.resource.Resource; |
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59 |
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60 /** |
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61 * <p>A HttpConnection represents the connection of a HTTP client to the server |
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62 * and is created by an instance of a {@link Connector}. It's prime function is |
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63 * to associate {@link Request} and {@link Response} instances with a {@link EndPoint}. |
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64 * </p> |
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65 * <p> |
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66 * A connection is also the prime mechanism used by jetty to recycle objects without |
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67 * pooling. The {@link Request}, {@link Response}, {@link HttpParser}, {@link HttpGenerator} |
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68 * and {@link HttpFields} instances are all recycled for the duraction of |
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69 * a connection. Where appropriate, allocated buffers are also kept associated |
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70 * with the connection via the parser and/or generator. |
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71 * </p> |
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72 * <p> |
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73 * The connection state is held by 3 separate state machines: The request state, the |
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74 * response state and the continuation state. All three state machines must be driven |
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75 * to completion for every request, and all three can complete in any order. |
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76 * </p> |
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77 * <p> |
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78 * The HttpConnection support protocol upgrade. If on completion of a request, the |
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79 * response code is 101 (switch protocols), then the org.eclipse.jetty.io.Connection |
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80 * request attribute is checked to see if there is a new Connection instance. If so, |
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81 * the new connection is returned from {@link #handle()} and is used for future |
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82 * handling of the underlying connection. Note that for switching protocols that |
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83 * don't use 101 responses (eg CONNECT), the response should be sent and then the |
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84 * status code changed to 101 before returning from the handler. Implementors |
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85 * of new Connection types should be careful to extract any buffered data from |
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86 * (HttpParser)http.getParser()).getHeaderBuffer() and |
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87 * (HttpParser)http.getParser()).getBodyBuffer() to initialise their new connection. |
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88 * </p> |
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89 * |
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90 */ |
| 982 | 91 public abstract class AbstractHttpConnection extends AbstractConnection |
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92 { |
| 826 | 93 private static final Logger LOG = LoggerFactory.getLogger(AbstractHttpConnection.class); |
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94 |
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95 private final Connector _connector; |
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96 private final Server _server; |
| 1013 | 97 protected final HttpURI _uri = new HttpURI(); |
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98 |
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99 protected volatile HttpParser _parser; |
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100 protected final HttpFields _requestFields = new HttpFields(); |
| 1015 | 101 public volatile Request _request; |
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102 private volatile ServletInputStream _in; |
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103 |
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104 protected volatile HttpGenerator _generator; |
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105 final HttpFields _responseFields = new HttpFields(); |
| 1015 | 106 protected volatile Response _response; |
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107 private volatile Output _out; |
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108 private volatile HttpWriter _writer; |
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109 private volatile PrintWriter _printWriter; |
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110 |
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111 private int _version = -2; // UNKNOWN |
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112 |
| 826 | 113 private String _charset; |
| 114 private boolean _expect = false; | |
| 115 private boolean _expect100Continue = false; | |
| 116 private boolean _head = false; | |
| 117 private boolean _host = false; | |
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118 private boolean _delayedHandling = false; |
| 826 | 119 private boolean _earlyEOF = false; |
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120 |
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121 protected AbstractHttpConnection(Connector connector, EndPoint endpoint) |
| 826 | 122 { |
| 123 super(endpoint); | |
| 124 _connector = connector; | |
| 1015 | 125 _server = connector.server; |
| 126 init(); | |
| 127 } | |
| 128 | |
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129 void initParser() { |
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130 Buffers buffers = _connector.getRequestBuffers(); |
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131 _parser = new HttpParser(buffers.getHeader(), buffers.getBuffer(), _endp, new RequestHandler()); |
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132 } |
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133 |
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134 void initGenerator() { |
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135 if( _generator != null ) |
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136 _generator.shutdown(); |
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137 _generator = new HttpGenerator(_connector.getResponseBuffers(), _endp); |
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138 } |
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139 |
| 1015 | 140 private void init() { |
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141 initParser(); |
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142 initGenerator(); |
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143 _request = new Request(this); |
| 826 | 144 _response = new Response(this); |
| 145 } | |
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146 |
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147 public final Connector getConnector() |
| 826 | 148 { |
| 149 return _connector; | |
| 150 } | |
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151 |
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152 public final Request getRequest() |
| 826 | 153 { |
| 154 return _request; | |
| 155 } | |
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156 |
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157 public final Response getResponse() |
| 826 | 158 { |
| 159 return _response; | |
| 160 } | |
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161 |
| 826 | 162 /* ------------------------------------------------------------ */ |
| 163 /** | |
| 164 * Get the inputStream from the connection. | |
| 165 * <p> | |
| 166 * If the associated response has the Expect header set to 100 Continue, | |
| 167 * then accessing the input stream indicates that the handler/servlet | |
| 168 * is ready for the request body and thus a 100 Continue response is sent. | |
| 169 * | |
| 170 * @return The input stream for this connection. | |
| 171 * The stream will be created if it does not already exist. | |
| 172 * @throws IOException if the input stream cannot be retrieved | |
| 173 */ | |
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174 public final ServletInputStream getInputStream() throws IOException |
| 826 | 175 { |
| 176 // If the client is expecting 100 CONTINUE, then send it now. | |
| 177 if (_expect100Continue) | |
| 178 { | |
| 179 // is content missing? | |
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180 if (_parser._header.remaining()<2) |
| 826 | 181 { |
| 182 if (_generator.isCommitted()) | |
| 183 throw new IllegalStateException("Committed before 100 Continues"); | |
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184 |
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185 _generator.send1xx(HttpStatus.CONTINUE_100); |
| 826 | 186 } |
| 187 _expect100Continue=false; | |
| 188 } | |
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189 |
| 826 | 190 if (_in == null) |
| 981 | 191 _in = new HttpInput(); |
| 826 | 192 return _in; |
| 193 } | |
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194 |
| 826 | 195 /* ------------------------------------------------------------ */ |
| 196 /** | |
| 197 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
| 198 */ | |
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199 public final ServletOutputStream getOutputStream() |
| 826 | 200 { |
| 201 if (_out == null) | |
| 202 _out = new Output(); | |
| 203 return _out; | |
| 204 } | |
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205 |
| 826 | 206 /* ------------------------------------------------------------ */ |
| 207 /** | |
| 208 * @param encoding the PrintWriter encoding | |
| 209 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
| 210 * does not already exist. | |
| 211 */ | |
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212 public final PrintWriter getPrintWriter(String encoding) |
| 826 | 213 { |
| 214 getOutputStream(); | |
| 215 if (_writer==null) | |
| 216 { | |
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217 _writer = new HttpWriter(_out); |
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218 _printWriter = new PrintWriter(_writer) |
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219 { |
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220 public void close() |
| 826 | 221 { |
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222 synchronized (lock) |
| 826 | 223 { |
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224 try |
| 826 | 225 { |
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226 out.close(); |
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227 } |
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228 catch (IOException e) |
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229 { |
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230 setError(); |
| 826 | 231 } |
| 232 } | |
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233 } |
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234 }; |
| 826 | 235 } |
| 236 _writer.setCharacterEncoding(encoding); | |
| 237 return _printWriter; | |
| 238 } | |
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239 |
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240 protected void reset() |
| 826 | 241 { |
| 242 _requestFields.clear(); | |
| 243 _responseFields.clear(); | |
| 244 _uri.clear(); | |
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245 _writer = null; |
| 826 | 246 _earlyEOF = false; |
| 1015 | 247 init(); |
| 826 | 248 } |
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249 |
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250 private void handleRequest() throws IOException |
| 826 | 251 { |
| 252 boolean error = false; | |
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253 |
| 826 | 254 try |
| 255 { | |
| 256 // Loop here to handle async request redispatches. | |
| 257 // The loop is controlled by the call to async.unhandle in the | |
| 258 // finally block below. If call is from a non-blocking connector, | |
| 259 // then the unhandle will return false only if an async dispatch has | |
| 260 // already happened when unhandle is called. For a blocking connector, | |
| 261 // the wait for the asynchronous dispatch or timeout actually happens | |
| 262 // within the call to unhandle(). | |
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263 |
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264 _request.setHandled(false); |
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265 |
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266 String info=null; |
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267 try |
| 826 | 268 { |
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269 _uri.getPort(); |
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270 String path = null; |
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271 |
| 826 | 272 try |
| 273 { | |
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274 path = _uri.getDecodedPath(); |
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275 } |
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276 catch (Exception e) |
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277 { |
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278 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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279 LOG.trace("",e); |
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280 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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281 } |
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282 |
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283 info = URIUtil.canonicalPath(path); |
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284 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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285 { |
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286 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 287 { |
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288 info="/"; |
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289 _request.setRequestURI(""); |
| 826 | 290 } |
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291 else |
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292 throw new HttpException(400); |
| 826 | 293 } |
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294 _request.setPathInfo(info); |
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295 |
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296 if (_out!=null) |
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297 _out.reopen(); |
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298 |
| 1001 | 299 _connector.customize(this); |
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300 _server.handle(this); |
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301 } |
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302 catch (EofException e) |
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303 { |
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304 LOG.debug("",e); |
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305 error=true; |
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306 _request.setHandled(true); |
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307 if (!_response.isCommitted()) |
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308 _generator.sendError(500, null, null, true); |
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309 } |
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310 catch (RuntimeIOException e) |
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311 { |
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312 LOG.debug("",e); |
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313 error=true; |
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314 _request.setHandled(true); |
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315 } |
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316 catch (HttpException e) |
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317 { |
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318 LOG.debug("",e); |
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319 error=true; |
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320 _request.setHandled(true); |
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321 _response.sendError(e.getStatus(), e.getReason()); |
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322 } |
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323 catch (Throwable e) |
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324 { |
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325 LOG.warn(String.valueOf(_uri),e); |
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326 error=true; |
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327 _request.setHandled(true); |
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328 _generator.sendError(info==null?400:500, null, null, true); |
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329 |
| 826 | 330 } |
| 331 } | |
| 332 finally | |
| 333 { | |
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334 if (_expect100Continue) |
| 826 | 335 { |
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336 LOG.debug("100 continues not sent"); |
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337 // We didn't send 100 continues, but the latest interpretation |
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338 // of the spec (see httpbis) is that the client will either |
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339 // send the body anyway, or close. So we no longer need to |
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340 // do anything special here other than make the connection not persistent |
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341 _expect100Continue = false; |
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342 if (!_response.isCommitted()) |
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343 _generator.setPersistent(false); |
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344 } |
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345 |
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346 if(_endp.isOpen()) |
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347 { |
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348 if (error) |
| 826 | 349 { |
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350 _endp.shutdownOutput(); |
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351 _generator.setPersistent(false); |
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352 if (!_generator.isComplete()) |
| 826 | 353 _response.complete(); |
| 354 } | |
| 355 else | |
| 356 { | |
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357 if (!_response.isCommitted() && !_request.isHandled()) |
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358 _response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 826 | 359 _response.complete(); |
| 360 } | |
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361 } |
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362 else |
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363 { |
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364 _response.complete(); |
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365 } |
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366 |
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367 _request.setHandled(true); |
| 826 | 368 } |
| 369 } | |
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370 |
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371 |
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372 public final void commitResponse(boolean last) throws IOException |
| 826 | 373 { |
| 374 if (!_generator.isCommitted()) | |
| 375 { | |
| 376 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 377 try | |
| 378 { | |
| 379 // If the client was expecting 100 continues, but we sent something | |
| 380 // else, then we need to close the connection | |
| 381 if (_expect100Continue && _response.getStatus()!=100) | |
| 382 _generator.setPersistent(false); | |
| 383 _generator.completeHeader(_responseFields, last); | |
| 384 } | |
| 385 catch(RuntimeException e) | |
| 386 { | |
| 387 LOG.warn("header full: " + e); | |
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388 |
| 826 | 389 _response.reset(); |
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390 initGenerator(); |
| 826 | 391 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); |
| 982 | 392 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 393 _generator.complete(); |
| 394 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 395 } | |
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396 |
| 826 | 397 } |
| 398 if (last) | |
| 399 _generator.complete(); | |
| 400 } | |
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401 |
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402 public final void completeResponse() throws IOException |
| 826 | 403 { |
| 404 if (!_generator.isCommitted()) | |
| 405 { | |
| 406 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 407 try | |
| 408 { | |
| 982 | 409 _generator.completeHeader(_responseFields, HttpGenerator.LAST); |
| 826 | 410 } |
| 411 catch(RuntimeException e) | |
| 412 { | |
| 413 LOG.warn("header full: "+e); | |
| 414 LOG.debug("",e); | |
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415 |
| 826 | 416 _response.reset(); |
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417 initGenerator(); |
| 826 | 418 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); |
| 982 | 419 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 420 _generator.complete(); |
| 421 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 422 } | |
| 423 } | |
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424 |
| 826 | 425 _generator.complete(); |
| 426 } | |
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427 |
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428 public final void flushResponse() throws IOException |
| 826 | 429 { |
| 430 try | |
| 431 { | |
| 982 | 432 commitResponse(HttpGenerator.MORE); |
| 826 | 433 _generator.flushBuffer(); |
| 434 } | |
| 435 catch(IOException e) | |
| 436 { | |
| 437 throw (e instanceof EofException) ? e:new EofException(e); | |
| 438 } | |
| 439 } | |
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440 |
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441 public final int getMaxIdleTime() |
| 826 | 442 { |
| 996 | 443 if (_connector.server.isLowOnThreads() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) |
| 913 | 444 return 0; |
| 826 | 445 if (_endp.getMaxIdleTime()>0) |
| 446 return _endp.getMaxIdleTime(); | |
| 447 return _connector.getMaxIdleTime(); | |
| 448 } | |
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449 |
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450 @Override |
| 826 | 451 public String toString() |
| 452 { | |
| 1001 | 453 return String.format("%s,g=%s,p=%s", |
| 826 | 454 super.toString(), |
| 455 _generator, | |
| 1001 | 456 _parser); |
| 826 | 457 } |
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458 |
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459 private void startRequest(String method, String uri, String version) throws IOException |
| 826 | 460 { |
| 461 _host = false; | |
| 462 _expect = false; | |
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463 _expect100Continue = false; |
| 826 | 464 _delayedHandling=false; |
| 465 _charset=null; | |
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466 |
| 826 | 467 if(_request.getTimeStamp()==0) |
| 468 _request.setTimeStamp(System.currentTimeMillis()); | |
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469 _request.setMethod(method); |
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470 |
| 826 | 471 try |
| 472 { | |
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473 _head = false; |
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474 byte[] bytes = StringUtil.getBytes(uri); |
| 826 | 475 switch (HttpMethods.CACHE.getOrdinal(method)) |
| 476 { | |
| 477 case HttpMethods.CONNECT_ORDINAL: | |
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478 _uri.parseConnect(bytes, 0, bytes.length); |
| 826 | 479 break; |
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480 |
| 826 | 481 case HttpMethods.HEAD_ORDINAL: |
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482 _head = true; |
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483 _uri.parse(bytes, 0, bytes.length); |
| 826 | 484 break; |
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485 |
| 826 | 486 default: |
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487 _uri.parse(bytes, 0, bytes.length); |
| 826 | 488 } |
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489 |
| 826 | 490 _request.setUri(_uri); |
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491 |
| 826 | 492 if (version==null) |
| 493 { | |
| 494 _request.setProtocol(HttpVersions.HTTP_0_9); | |
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495 _version = HttpVersions.HTTP_0_9_ORDINAL; |
| 826 | 496 } |
| 497 else | |
| 498 { | |
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499 if (!HttpVersions.CACHE.contains(version)) |
| 826 | 500 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); |
| 501 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 502 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 503 _request.setProtocol(version.toString()); | |
| 504 } | |
| 505 } | |
| 506 catch (Exception e) | |
| 507 { | |
| 508 LOG.debug("",e); | |
| 509 if (e instanceof HttpException) | |
| 510 throw (HttpException)e; | |
| 511 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 512 } | |
| 513 } | |
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514 |
| 1021 | 515 private void parsedHeader(String name, String value) throws IOException |
| 826 | 516 { |
| 517 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 518 switch (ho) | |
| 519 { | |
| 520 case HttpHeaders.HOST_ORDINAL: | |
| 521 // TODO check if host matched a host in the URI. | |
| 522 _host = true; | |
| 523 break; | |
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524 |
| 826 | 525 case HttpHeaders.EXPECT_ORDINAL: |
| 526 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 527 { | |
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528 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 529 switch(HttpHeaderValues.CACHE.getOrdinal(value)) |
| 530 { | |
| 531 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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532 _expect100Continue = true; |
| 826 | 533 break; |
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534 |
| 826 | 535 default: |
| 536 String[] values = value.toString().split(","); | |
| 537 for (int i=0;values!=null && i<values.length;i++) | |
| 538 { | |
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539 int cb = HttpHeaderValues.CACHE.getOrdinal(values[i].trim()); |
|
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540 if (cb == -1) |
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541 _expect = true; |
| 826 | 542 else |
| 543 { | |
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544 switch(cb) |
| 826 | 545 { |
| 546 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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547 _expect100Continue = true; |
| 826 | 548 break; |
| 549 default: | |
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550 _expect = true; |
| 826 | 551 } |
| 552 } | |
| 553 } | |
| 554 } | |
| 555 } | |
| 556 break; | |
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557 |
| 826 | 558 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 559 case HttpHeaders.USER_AGENT_ORDINAL: | |
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560 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 561 break; |
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562 |
| 826 | 563 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
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564 // value = MimeTypes.CACHE.lookup(value); |
|
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565 _charset = MimeTypes.getCharsetFromContentType(value); |
| 826 | 566 break; |
| 567 } | |
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568 |
| 826 | 569 _requestFields.add(name, value); |
| 570 } | |
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571 |
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|
572 private void headerComplete() throws IOException |
| 826 | 573 { |
| 574 // Handle idle race | |
| 575 if (_endp.isOutputShutdown()) | |
| 576 { | |
| 577 _endp.close(); | |
| 578 return; | |
| 579 } | |
| 580 | |
| 581 _generator.setVersion(_version); | |
| 582 switch (_version) | |
| 583 { | |
| 584 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 585 break; | |
| 586 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 587 _generator.setHead(_head); | |
| 588 if (_parser.isPersistent()) | |
| 589 { | |
|
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|
590 _responseFields.add(HttpHeaders.CONNECTION, HttpHeaderValues.KEEP_ALIVE); |
| 826 | 591 _generator.setPersistent(true); |
| 592 } | |
| 593 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 594 { | |
| 595 _generator.setPersistent(true); | |
| 596 _parser.setPersistent(true); | |
| 597 } | |
| 598 break; | |
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|
599 |
| 826 | 600 case HttpVersions.HTTP_1_1_ORDINAL: |
| 601 _generator.setHead(_head); | |
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|
602 |
| 826 | 603 if (!_parser.isPersistent()) |
| 604 { | |
|
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|
605 _responseFields.add(HttpHeaders.CONNECTION,HttpHeaderValues.CLOSE); |
| 826 | 606 _generator.setPersistent(false); |
| 607 } | |
|
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|
608 |
| 826 | 609 if (!_host) |
| 610 { | |
| 611 LOG.debug("!host {}",this); | |
| 612 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
|
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|
613 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 614 _generator.completeHeader(_responseFields, true); |
| 615 _generator.complete(); | |
| 616 return; | |
| 617 } | |
|
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|
618 |
| 826 | 619 if (_expect) |
| 620 { | |
| 621 LOG.debug("!expectation {}",this); | |
| 622 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
|
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623 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 624 _generator.completeHeader(_responseFields, true); |
| 625 _generator.complete(); | |
| 626 return; | |
| 627 } | |
|
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|
628 |
| 826 | 629 break; |
| 630 default: | |
| 631 } | |
|
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|
632 |
| 826 | 633 if(_charset!=null) |
| 634 _request.setCharacterEncodingUnchecked(_charset); | |
|
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|
635 |
| 826 | 636 // Either handle now or wait for first content |
|
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637 if ((_parser.getContentLength()<=0 && !_parser.isChunking())||_expect100Continue) |
| 826 | 638 handleRequest(); |
| 639 else | |
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640 _delayedHandling = true; |
| 826 | 641 } |
|
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|
642 |
| 1036 | 643 private void content() throws IOException |
| 826 | 644 { |
| 645 if (_delayedHandling) | |
| 646 { | |
|
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647 _delayedHandling = false; |
| 826 | 648 handleRequest(); |
| 649 } | |
| 650 } | |
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651 |
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652 private void messageComplete(long contentLength) throws IOException |
| 826 | 653 { |
| 654 if (_delayedHandling) | |
| 655 { | |
|
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656 _delayedHandling = false; |
| 826 | 657 handleRequest(); |
| 658 } | |
| 659 } | |
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|
660 |
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|
661 private void earlyEOF() |
| 826 | 662 { |
| 663 _earlyEOF = true; | |
| 664 } | |
|
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665 |
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666 |
| 980 | 667 private class RequestHandler implements HttpParser.EventHandler |
| 826 | 668 { |
| 669 @Override | |
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670 public void startRequest(String method, String uri, String version) throws IOException |
| 826 | 671 { |
| 672 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 673 } | |
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674 |
| 826 | 675 @Override |
| 1021 | 676 public void parsedHeader(String name, String value) throws IOException |
| 826 | 677 { |
| 678 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 679 } | |
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680 |
| 826 | 681 @Override |
| 682 public void headerComplete() throws IOException | |
| 683 { | |
| 684 AbstractHttpConnection.this.headerComplete(); | |
| 685 } | |
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686 |
| 826 | 687 @Override |
| 1036 | 688 public void content() throws IOException |
| 826 | 689 { |
| 1036 | 690 AbstractHttpConnection.this.content(); |
| 826 | 691 } |
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692 |
| 826 | 693 @Override |
| 694 public void messageComplete(long contentLength) throws IOException | |
| 695 { | |
| 696 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 697 } | |
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698 |
| 826 | 699 @Override |
| 700 public void earlyEOF() | |
| 701 { | |
| 702 AbstractHttpConnection.this.earlyEOF(); | |
| 703 } | |
| 704 } | |
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705 |
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706 |
| 985 | 707 public final class Output extends ServletOutputStream |
| 826 | 708 { |
| 985 | 709 private boolean _closed; |
| 1048 | 710 private JBuffer _onebyte; |
| 985 | 711 |
| 712 // These are held here for reuse by Writer | |
| 713 String _characterEncoding; | |
| 714 Writer _converter; | |
| 715 char[] _chars; | |
| 716 ByteArrayOutputStream2 _bytes; | |
| 717 | |
| 718 public final void reopen() | |
| 719 { | |
| 720 _closed = false; | |
| 721 } | |
| 722 | |
| 723 @Override | |
| 724 public final void write(byte[] b, int off, int len) throws IOException | |
| 725 { | |
| 1046 | 726 write(BufferUtil.wrap(b,off,len)); |
| 985 | 727 } |
| 728 | |
| 729 @Override | |
| 730 public final void write(byte[] b) throws IOException | |
| 731 { | |
| 1046 | 732 write(BufferUtil.wrap(b)); |
| 985 | 733 } |
| 734 | |
| 735 @Override | |
| 736 public final void write(int b) throws IOException | |
| 826 | 737 { |
| 985 | 738 if (_onebyte==null) |
| 1046 | 739 _onebyte = BufferUtil.newBuffer(1); |
| 985 | 740 else |
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741 _onebyte.clear(); |
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742 _onebyte.putQ((byte)b); |
| 985 | 743 write(_onebyte); |
| 826 | 744 } |
| 985 | 745 |
| 1048 | 746 private void write(JBuffer buffer) throws IOException |
| 985 | 747 { |
| 748 if (_closed) | |
| 749 throw new IOException("Closed"); | |
| 750 if (!_generator.isOpen()) | |
| 751 throw new EofException(); | |
| 752 | |
| 753 // Block until we can add _content. | |
| 754 while (_generator.isBufferFull()) | |
| 755 { | |
| 756 _generator.blockForOutput(getMaxIdleTime()); | |
| 757 if (_closed) | |
| 758 throw new IOException("Closed"); | |
| 759 if (!_generator.isOpen()) | |
| 760 throw new EofException(); | |
| 761 } | |
| 762 | |
| 763 // Add the _content | |
| 764 _generator.addContent(buffer, HttpGenerator.MORE); | |
| 765 | |
| 766 // Have to flush and complete headers? | |
| 767 | |
| 768 if (_generator.isAllContentWritten()) | |
| 769 { | |
| 770 flush(); | |
| 771 close(); | |
| 772 } | |
| 773 else if (_generator.isBufferFull()) | |
| 774 commitResponse(HttpGenerator.MORE); | |
| 775 | |
| 776 // Block until our buffer is free | |
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777 while (buffer.remaining() > 0 && _generator.isOpen()) |
| 985 | 778 { |
| 779 _generator.blockForOutput(getMaxIdleTime()); | |
| 780 } | |
| 781 } | |
| 782 | |
| 783 | |
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784 |
| 826 | 785 /* ------------------------------------------------------------ */ |
| 786 /* | |
| 787 * @see java.io.OutputStream#close() | |
| 788 */ | |
| 789 @Override | |
| 790 public void close() throws IOException | |
| 791 { | |
| 985 | 792 if (_closed) |
| 826 | 793 return; |
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794 |
| 985 | 795 if (!_generator.isCommitted()) |
| 982 | 796 commitResponse(HttpGenerator.LAST); |
| 826 | 797 else |
| 798 flushResponse(); | |
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799 |
| 985 | 800 _closed = true; |
| 826 | 801 } |
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802 |
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803 |
| 826 | 804 /* ------------------------------------------------------------ */ |
| 805 /* | |
| 806 * @see java.io.OutputStream#flush() | |
| 807 */ | |
| 808 @Override | |
| 809 public void flush() throws IOException | |
| 810 { | |
| 985 | 811 if (!_generator.isCommitted()) |
| 982 | 812 commitResponse(HttpGenerator.MORE); |
| 985 | 813 _generator.flush(getMaxIdleTime()); |
| 826 | 814 } |
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815 |
| 826 | 816 /* ------------------------------------------------------------ */ |
| 817 /* | |
| 818 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 819 */ | |
| 820 @Override | |
| 821 public void print(String s) throws IOException | |
| 822 { | |
| 985 | 823 if (_closed) |
| 826 | 824 throw new IOException("Closed"); |
| 985 | 825 PrintWriter writer = getPrintWriter(null); |
| 826 | 826 writer.print(s); |
| 827 } | |
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828 |
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829 public final void sendContent(InputStream in) throws IOException |
| 826 | 830 { |
| 985 | 831 if (_closed) |
| 826 | 832 throw new IOException("Closed"); |
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833 |
| 985 | 834 if (_generator.isWritten()) |
| 826 | 835 throw new IllegalStateException("!empty"); |
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836 |
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837 try |
| 826 | 838 { |
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839 ReadableByteChannel chan = Channels.newChannel(in); |
| 1048 | 840 JBuffer buffer = _generator.getUncheckedBuffer(); |
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841 ByteBuffer dup = buffer.getByteBuffer().duplicate(); |
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842 dup.limit(dup.capacity()); |
| 826 | 843 |
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844 while (true) |
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845 { |
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846 _generator.prepareUncheckedAddContent(); |
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847 |
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848 dup.position(buffer.limit()); |
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849 int n = chan.read(dup); |
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850 if( n == -1 ) |
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851 break; |
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852 buffer.limit(dup.position()); |
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853 |
| 985 | 854 _generator.completeUncheckedAddContent(); |
| 826 | 855 _out.flush(); |
| 856 } | |
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857 /* |
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858 _generator.completeUncheckedAddContent(); |
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859 _out.flush(); |
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860 */ |
| 826 | 861 } |
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862 finally |
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863 { |
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864 in.close(); |
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865 } |
| 981 | 866 } |
| 867 } | |
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868 |
| 981 | 869 private final class HttpInput extends ServletInputStream |
| 870 { | |
| 871 /* ------------------------------------------------------------ */ | |
| 872 /* | |
| 873 * @see java.io.InputStream#read() | |
| 874 */ | |
| 875 @Override | |
| 876 public int read() throws IOException | |
| 877 { | |
| 878 byte[] bytes = new byte[1]; | |
| 879 int read = read(bytes, 0, 1); | |
| 880 return read < 0 ? -1 : 0xff & bytes[0]; | |
| 881 } | |
| 882 | |
| 883 /* ------------------------------------------------------------ */ | |
| 884 /* | |
| 885 * @see java.io.InputStream#read(byte[], int, int) | |
| 886 */ | |
| 887 @Override | |
| 888 public int read(byte[] b, int off, int len) throws IOException | |
| 889 { | |
| 1048 | 890 JBuffer content = _parser.blockForContent(getMaxIdleTime()); |
| 1060 | 891 if (content!=null) { |
| 892 int remaining = content.remaining(); | |
| 893 if( remaining == 0 ) | |
| 894 return -1; | |
| 895 if( len > remaining ) | |
| 896 len = remaining; | |
| 897 content.get(b, off, len); | |
| 898 return len; | |
| 899 } else if (_earlyEOF) | |
| 981 | 900 throw new EofException("early EOF"); |
| 1060 | 901 else |
| 902 return -1; | |
| 981 | 903 } |
| 904 | |
| 905 @Override | |
| 906 public int available() throws IOException | |
| 907 { | |
| 908 return _parser.available(); | |
| 826 | 909 } |
| 910 } | |
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911 |
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912 } |