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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 949:e9088af3787f
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| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Tue, 11 Oct 2016 23:18:13 -0600 |
| parents | 8db5996c8c89 |
| children | 1094975d013b |
| 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; |
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24 |
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25 import javax.servlet.DispatcherType; |
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26 import javax.servlet.RequestDispatcher; |
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27 import javax.servlet.ServletInputStream; |
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28 import javax.servlet.ServletOutputStream; |
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29 import javax.servlet.http.HttpServletRequest; |
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30 import javax.servlet.http.HttpServletResponse; |
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31 |
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32 import org.eclipse.jetty.http.EncodedHttpURI; |
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33 import org.eclipse.jetty.http.Generator; |
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34 import org.eclipse.jetty.http.HttpBuffers; |
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35 import org.eclipse.jetty.http.HttpException; |
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36 import org.eclipse.jetty.http.HttpFields; |
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37 import org.eclipse.jetty.http.HttpGenerator; |
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38 import org.eclipse.jetty.http.HttpHeaderValues; |
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39 import org.eclipse.jetty.http.HttpHeaders; |
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40 import org.eclipse.jetty.http.HttpMethods; |
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41 import org.eclipse.jetty.http.HttpParser; |
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42 import org.eclipse.jetty.http.HttpStatus; |
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43 import org.eclipse.jetty.http.HttpURI; |
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44 import org.eclipse.jetty.http.HttpVersions; |
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45 import org.eclipse.jetty.http.MimeTypes; |
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46 import org.eclipse.jetty.http.Parser; |
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47 import org.eclipse.jetty.io.AbstractConnection; |
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48 import org.eclipse.jetty.io.Buffer; |
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49 import org.eclipse.jetty.io.BufferCache.CachedBuffer; |
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50 import org.eclipse.jetty.io.Buffers; |
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51 import org.eclipse.jetty.io.Connection; |
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52 import org.eclipse.jetty.io.EndPoint; |
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53 import org.eclipse.jetty.io.EofException; |
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54 import org.eclipse.jetty.io.RuntimeIOException; |
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55 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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56 import org.eclipse.jetty.util.StringUtil; |
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57 import org.eclipse.jetty.util.URIUtil; |
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58 import org.slf4j.Logger; |
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59 import org.slf4j.LoggerFactory; |
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60 import org.eclipse.jetty.util.resource.Resource; |
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61 |
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62 /** |
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63 * <p>A HttpConnection represents the connection of a HTTP client to the server |
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64 * and is created by an instance of a {@link Connector}. It's prime function is |
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65 * to associate {@link Request} and {@link Response} instances with a {@link EndPoint}. |
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66 * </p> |
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67 * <p> |
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68 * A connection is also the prime mechanism used by jetty to recycle objects without |
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69 * pooling. The {@link Request}, {@link Response}, {@link HttpParser}, {@link HttpGenerator} |
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70 * and {@link HttpFields} instances are all recycled for the duraction of |
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71 * a connection. Where appropriate, allocated buffers are also kept associated |
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72 * with the connection via the parser and/or generator. |
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73 * </p> |
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74 * <p> |
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75 * The connection state is held by 3 separate state machines: The request state, the |
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76 * response state and the continuation state. All three state machines must be driven |
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77 * to completion for every request, and all three can complete in any order. |
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78 * </p> |
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79 * <p> |
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80 * The HttpConnection support protocol upgrade. If on completion of a request, the |
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81 * response code is 101 (switch protocols), then the org.eclipse.jetty.io.Connection |
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82 * request attribute is checked to see if there is a new Connection instance. If so, |
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83 * the new connection is returned from {@link #handle()} and is used for future |
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84 * handling of the underlying connection. Note that for switching protocols that |
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85 * don't use 101 responses (eg CONNECT), the response should be sent and then the |
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86 * status code changed to 101 before returning from the handler. Implementors |
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87 * of new Connection types should be careful to extract any buffered data from |
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88 * (HttpParser)http.getParser()).getHeaderBuffer() and |
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89 * (HttpParser)http.getParser()).getBodyBuffer() to initialise their new connection. |
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90 * </p> |
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91 * |
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92 */ |
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93 public abstract class AbstractHttpConnection extends AbstractConnection |
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94 { |
| 826 | 95 private static final Logger LOG = LoggerFactory.getLogger(AbstractHttpConnection.class); |
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96 |
| 826 | 97 private static final int UNKNOWN = -2; |
| 98 private static final ThreadLocal<AbstractHttpConnection> __currentConnection = new ThreadLocal<AbstractHttpConnection>(); | |
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99 |
| 826 | 100 private int _requests; |
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101 |
| 826 | 102 protected final Connector _connector; |
| 103 protected final Server _server; | |
| 104 protected final HttpURI _uri; | |
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105 |
| 826 | 106 protected final Parser _parser; |
| 107 protected final HttpFields _requestFields; | |
| 108 protected final Request _request; | |
| 109 protected volatile ServletInputStream _in; | |
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110 |
| 826 | 111 protected final Generator _generator; |
| 112 protected final HttpFields _responseFields; | |
| 113 protected final Response _response; | |
| 114 protected volatile Output _out; | |
| 115 protected volatile OutputWriter _writer; | |
| 116 protected volatile PrintWriter _printWriter; | |
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117 |
| 826 | 118 int _include; |
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119 |
| 826 | 120 private Object _associatedObject; // associated object |
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121 |
| 826 | 122 private int _version = UNKNOWN; |
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123 |
| 826 | 124 private String _charset; |
| 125 private boolean _expect = false; | |
| 126 private boolean _expect100Continue = false; | |
| 127 private boolean _expect102Processing = false; | |
| 128 private boolean _head = false; | |
| 129 private boolean _host = false; | |
| 130 private boolean _delayedHandling=false; | |
| 131 private boolean _earlyEOF = false; | |
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132 |
| 826 | 133 /* ------------------------------------------------------------ */ |
| 134 public static AbstractHttpConnection getCurrentConnection() | |
| 135 { | |
| 136 return __currentConnection.get(); | |
| 137 } | |
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138 |
| 826 | 139 /* ------------------------------------------------------------ */ |
| 140 protected static void setCurrentConnection(AbstractHttpConnection connection) | |
| 141 { | |
| 142 __currentConnection.set(connection); | |
| 143 } | |
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144 |
| 826 | 145 /* ------------------------------------------------------------ */ |
| 146 public AbstractHttpConnection(Connector connector, EndPoint endpoint, Server server) | |
| 147 { | |
| 148 super(endpoint); | |
| 149 _uri = StringUtil.__UTF8.equals(URIUtil.__CHARSET)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); | |
| 150 _connector = connector; | |
| 151 HttpBuffers ab = (HttpBuffers)_connector; | |
| 152 _parser = newHttpParser(ab.getRequestBuffers(), endpoint, new RequestHandler()); | |
| 153 _requestFields = new HttpFields(); | |
| 154 _responseFields = new HttpFields(); | |
| 155 _request = new Request(this); | |
| 156 _response = new Response(this); | |
| 157 _generator = newHttpGenerator(ab.getResponseBuffers(), endpoint); | |
| 158 _server = server; | |
| 159 } | |
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160 |
| 826 | 161 /* ------------------------------------------------------------ */ |
| 162 protected AbstractHttpConnection(Connector connector, EndPoint endpoint, Server server, | |
| 163 Parser parser, Generator generator, Request request) | |
| 164 { | |
| 165 super(endpoint); | |
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166 |
| 826 | 167 _uri = URIUtil.__CHARSET.equals(StringUtil.__UTF8)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); |
| 168 _connector = connector; | |
| 169 _parser = parser; | |
| 170 _requestFields = new HttpFields(); | |
| 171 _responseFields = new HttpFields(); | |
| 172 _request = request; | |
| 173 _response = new Response(this); | |
| 174 _generator = generator; | |
| 175 _server = server; | |
| 176 } | |
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177 |
| 826 | 178 protected HttpParser newHttpParser(Buffers requestBuffers, EndPoint endpoint, HttpParser.EventHandler requestHandler) |
| 179 { | |
| 180 return new HttpParser(requestBuffers, endpoint, requestHandler); | |
| 181 } | |
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182 |
| 826 | 183 protected HttpGenerator newHttpGenerator(Buffers responseBuffers, EndPoint endPoint) |
| 184 { | |
| 185 return new HttpGenerator(responseBuffers, endPoint); | |
| 186 } | |
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187 |
| 826 | 188 /* ------------------------------------------------------------ */ |
| 189 /** | |
| 190 * @return the parser used by this connection | |
| 191 */ | |
| 192 public Parser getParser() | |
| 193 { | |
| 194 return _parser; | |
| 195 } | |
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196 |
| 826 | 197 /* ------------------------------------------------------------ */ |
| 198 /** | |
| 199 * @return the number of requests handled by this connection | |
| 200 */ | |
| 201 public int getRequests() | |
| 202 { | |
| 203 return _requests; | |
| 204 } | |
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205 |
| 826 | 206 /* ------------------------------------------------------------ */ |
| 207 public Server getServer() | |
| 208 { | |
| 209 return _server; | |
| 210 } | |
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211 |
| 826 | 212 /* ------------------------------------------------------------ */ |
| 213 /** | |
| 214 * @return Returns the associatedObject. | |
| 215 */ | |
| 216 public Object getAssociatedObject() | |
| 217 { | |
| 218 return _associatedObject; | |
| 219 } | |
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220 |
| 826 | 221 /* ------------------------------------------------------------ */ |
| 222 /** | |
| 223 * @param associatedObject The associatedObject to set. | |
| 224 */ | |
| 225 public void setAssociatedObject(Object associatedObject) | |
| 226 { | |
| 227 _associatedObject = associatedObject; | |
| 228 } | |
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229 |
| 826 | 230 /* ------------------------------------------------------------ */ |
| 231 /** | |
| 232 * @return Returns the connector. | |
| 233 */ | |
| 234 public Connector getConnector() | |
| 235 { | |
| 236 return _connector; | |
| 237 } | |
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238 |
| 826 | 239 /* ------------------------------------------------------------ */ |
| 240 /** | |
| 241 * @return Returns the requestFields. | |
| 242 */ | |
| 243 public HttpFields getRequestFields() | |
| 244 { | |
| 245 return _requestFields; | |
| 246 } | |
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247 |
| 826 | 248 /* ------------------------------------------------------------ */ |
| 249 /** | |
| 250 * @return Returns the responseFields. | |
| 251 */ | |
| 252 public HttpFields getResponseFields() | |
| 253 { | |
| 254 return _responseFields; | |
| 255 } | |
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256 |
| 826 | 257 /* ------------------------------------------------------------ */ |
| 258 /** | |
| 259 * Find out if the request supports CONFIDENTIAL security. | |
| 260 * @param request the incoming HTTP request | |
| 261 * @return the result of calling {@link Connector#isConfidential(Request)}, or false | |
| 262 * if there is no connector | |
| 263 */ | |
| 264 public boolean isConfidential(Request request) | |
| 265 { | |
| 266 return _connector != null && _connector.isConfidential(request); | |
| 267 } | |
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268 |
| 826 | 269 /* ------------------------------------------------------------ */ |
| 270 /** | |
| 271 * @return Returns the request. | |
| 272 */ | |
| 273 public Request getRequest() | |
| 274 { | |
| 275 return _request; | |
| 276 } | |
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277 |
| 826 | 278 /* ------------------------------------------------------------ */ |
| 279 /** | |
| 280 * @return Returns the response. | |
| 281 */ | |
| 282 public Response getResponse() | |
| 283 { | |
| 284 return _response; | |
| 285 } | |
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286 |
| 826 | 287 /* ------------------------------------------------------------ */ |
| 288 /** | |
| 289 * Get the inputStream from the connection. | |
| 290 * <p> | |
| 291 * If the associated response has the Expect header set to 100 Continue, | |
| 292 * then accessing the input stream indicates that the handler/servlet | |
| 293 * is ready for the request body and thus a 100 Continue response is sent. | |
| 294 * | |
| 295 * @return The input stream for this connection. | |
| 296 * The stream will be created if it does not already exist. | |
| 297 * @throws IOException if the input stream cannot be retrieved | |
| 298 */ | |
| 299 public ServletInputStream getInputStream() throws IOException | |
| 300 { | |
| 301 // If the client is expecting 100 CONTINUE, then send it now. | |
| 302 if (_expect100Continue) | |
| 303 { | |
| 304 // is content missing? | |
| 305 if (((HttpParser)_parser).getHeaderBuffer()==null || ((HttpParser)_parser).getHeaderBuffer().length()<2) | |
| 306 { | |
| 307 if (_generator.isCommitted()) | |
| 308 throw new IllegalStateException("Committed before 100 Continues"); | |
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309 |
| 826 | 310 ((HttpGenerator)_generator).send1xx(HttpStatus.CONTINUE_100); |
| 311 } | |
| 312 _expect100Continue=false; | |
| 313 } | |
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314 |
| 826 | 315 if (_in == null) |
| 316 _in = new HttpInput(AbstractHttpConnection.this); | |
| 317 return _in; | |
| 318 } | |
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319 |
| 826 | 320 /* ------------------------------------------------------------ */ |
| 321 /** | |
| 322 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
| 323 */ | |
| 324 public ServletOutputStream getOutputStream() | |
| 325 { | |
| 326 if (_out == null) | |
| 327 _out = new Output(); | |
| 328 return _out; | |
| 329 } | |
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330 |
| 826 | 331 /* ------------------------------------------------------------ */ |
| 332 /** | |
| 333 * @param encoding the PrintWriter encoding | |
| 334 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
| 335 * does not already exist. | |
| 336 */ | |
| 337 public PrintWriter getPrintWriter(String encoding) | |
| 338 { | |
| 339 getOutputStream(); | |
| 340 if (_writer==null) | |
| 341 { | |
| 342 _writer=new OutputWriter(); | |
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343 _printWriter = new PrintWriter(_writer) |
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344 { |
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345 public void close() |
| 826 | 346 { |
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347 synchronized (lock) |
| 826 | 348 { |
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349 try |
| 826 | 350 { |
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351 out.close(); |
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352 } |
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353 catch (IOException e) |
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354 { |
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355 setError(); |
| 826 | 356 } |
| 357 } | |
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358 } |
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359 }; |
| 826 | 360 } |
| 361 _writer.setCharacterEncoding(encoding); | |
| 362 return _printWriter; | |
| 363 } | |
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364 |
| 826 | 365 /* ------------------------------------------------------------ */ |
| 366 public boolean isResponseCommitted() | |
| 367 { | |
| 368 return _generator.isCommitted(); | |
| 369 } | |
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370 |
| 826 | 371 /* ------------------------------------------------------------ */ |
| 372 public boolean isEarlyEOF() | |
| 373 { | |
| 374 return _earlyEOF; | |
| 375 } | |
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376 |
| 826 | 377 /* ------------------------------------------------------------ */ |
| 378 public void reset() | |
| 379 { | |
| 380 _parser.reset(); | |
| 381 _parser.returnBuffers(); // TODO maybe only on unhandle | |
| 382 _requestFields.clear(); | |
| 383 _request.recycle(); | |
| 384 _generator.reset(); | |
| 385 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 386 _responseFields.clear(); | |
| 387 _response.recycle(); | |
| 388 _uri.clear(); | |
| 389 _writer=null; | |
| 390 _earlyEOF = false; | |
| 391 } | |
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392 |
| 826 | 393 protected void handleRequest() throws IOException |
| 394 { | |
| 395 boolean error = false; | |
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396 |
| 826 | 397 try |
| 398 { | |
| 399 // Loop here to handle async request redispatches. | |
| 400 // The loop is controlled by the call to async.unhandle in the | |
| 401 // finally block below. If call is from a non-blocking connector, | |
| 402 // then the unhandle will return false only if an async dispatch has | |
| 403 // already happened when unhandle is called. For a blocking connector, | |
| 404 // the wait for the asynchronous dispatch or timeout actually happens | |
| 405 // within the call to unhandle(). | |
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406 |
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407 _request.setHandled(false); |
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408 |
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409 String info=null; |
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410 try |
| 826 | 411 { |
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412 _uri.getPort(); |
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413 String path = null; |
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414 |
| 826 | 415 try |
| 416 { | |
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417 path = _uri.getDecodedPath(); |
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418 } |
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419 catch (Exception e) |
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420 { |
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421 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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422 LOG.trace("",e); |
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423 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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424 } |
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425 |
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426 info = URIUtil.canonicalPath(path); |
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427 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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428 { |
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429 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 430 { |
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431 info="/"; |
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432 _request.setRequestURI(""); |
| 826 | 433 } |
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434 else |
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435 throw new HttpException(400); |
| 826 | 436 } |
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437 _request.setPathInfo(info); |
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438 |
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439 if (_out!=null) |
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440 _out.reopen(); |
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441 |
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442 _request.setDispatcherType(DispatcherType.REQUEST); |
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443 _connector.customize(_endp, _request); |
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444 _server.handle(this); |
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445 } |
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446 catch (EofException e) |
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447 { |
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448 LOG.debug("",e); |
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449 error=true; |
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450 _request.setHandled(true); |
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451 if (!_response.isCommitted()) |
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452 _generator.sendError(500, null, null, true); |
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453 } |
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454 catch (RuntimeIOException e) |
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455 { |
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456 LOG.debug("",e); |
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457 error=true; |
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458 _request.setHandled(true); |
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459 } |
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460 catch (HttpException e) |
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461 { |
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462 LOG.debug("",e); |
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463 error=true; |
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464 _request.setHandled(true); |
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465 _response.sendError(e.getStatus(), e.getReason()); |
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466 } |
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467 catch (Throwable e) |
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468 { |
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469 LOG.warn(String.valueOf(_uri),e); |
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470 error=true; |
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471 _request.setHandled(true); |
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472 _generator.sendError(info==null?400:500, null, null, true); |
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473 |
| 826 | 474 } |
| 475 } | |
| 476 finally | |
| 477 { | |
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478 if (_expect100Continue) |
| 826 | 479 { |
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480 LOG.debug("100 continues not sent"); |
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481 // We didn't send 100 continues, but the latest interpretation |
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482 // of the spec (see httpbis) is that the client will either |
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483 // send the body anyway, or close. So we no longer need to |
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484 // do anything special here other than make the connection not persistent |
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485 _expect100Continue = false; |
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486 if (!_response.isCommitted()) |
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487 _generator.setPersistent(false); |
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488 } |
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489 |
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490 if(_endp.isOpen()) |
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491 { |
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492 if (error) |
| 826 | 493 { |
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494 _endp.shutdownOutput(); |
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495 _generator.setPersistent(false); |
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496 if (!_generator.isComplete()) |
| 826 | 497 _response.complete(); |
| 498 } | |
| 499 else | |
| 500 { | |
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501 if (!_response.isCommitted() && !_request.isHandled()) |
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502 _response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 826 | 503 _response.complete(); |
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504 if (_generator.isPersistent()) |
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505 _connector.persist(_endp); |
| 826 | 506 } |
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507 } |
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508 else |
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509 { |
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510 _response.complete(); |
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511 } |
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512 |
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513 _request.setHandled(true); |
| 826 | 514 } |
| 515 } | |
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516 |
| 826 | 517 /* ------------------------------------------------------------ */ |
| 518 public abstract Connection handle() throws IOException; | |
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519 |
| 826 | 520 /* ------------------------------------------------------------ */ |
| 521 public void commitResponse(boolean last) throws IOException | |
| 522 { | |
| 523 if (!_generator.isCommitted()) | |
| 524 { | |
| 525 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 526 try | |
| 527 { | |
| 528 // If the client was expecting 100 continues, but we sent something | |
| 529 // else, then we need to close the connection | |
| 530 if (_expect100Continue && _response.getStatus()!=100) | |
| 531 _generator.setPersistent(false); | |
| 532 _generator.completeHeader(_responseFields, last); | |
| 533 } | |
| 534 catch(RuntimeException e) | |
| 535 { | |
| 536 LOG.warn("header full: " + e); | |
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537 |
| 826 | 538 _response.reset(); |
| 539 _generator.reset(); | |
| 540 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 541 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 542 _generator.complete(); | |
| 543 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 544 } | |
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545 |
| 826 | 546 } |
| 547 if (last) | |
| 548 _generator.complete(); | |
| 549 } | |
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550 |
| 826 | 551 /* ------------------------------------------------------------ */ |
| 552 public void completeResponse() throws IOException | |
| 553 { | |
| 554 if (!_generator.isCommitted()) | |
| 555 { | |
| 556 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 557 try | |
| 558 { | |
| 559 _generator.completeHeader(_responseFields, Generator.LAST); | |
| 560 } | |
| 561 catch(RuntimeException e) | |
| 562 { | |
| 563 LOG.warn("header full: "+e); | |
| 564 LOG.debug("",e); | |
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565 |
| 826 | 566 _response.reset(); |
| 567 _generator.reset(); | |
| 568 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 569 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 570 _generator.complete(); | |
| 571 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 572 } | |
| 573 } | |
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574 |
| 826 | 575 _generator.complete(); |
| 576 } | |
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577 |
| 826 | 578 /* ------------------------------------------------------------ */ |
| 579 public void flushResponse() throws IOException | |
| 580 { | |
| 581 try | |
| 582 { | |
| 583 commitResponse(Generator.MORE); | |
| 584 _generator.flushBuffer(); | |
| 585 } | |
| 586 catch(IOException e) | |
| 587 { | |
| 588 throw (e instanceof EofException) ? e:new EofException(e); | |
| 589 } | |
| 590 } | |
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591 |
| 826 | 592 /* ------------------------------------------------------------ */ |
| 593 public Generator getGenerator() | |
| 594 { | |
| 595 return _generator; | |
| 596 } | |
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597 |
| 826 | 598 /* ------------------------------------------------------------ */ |
| 599 public boolean isIncluding() | |
| 600 { | |
| 601 return _include>0; | |
| 602 } | |
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603 |
| 826 | 604 /* ------------------------------------------------------------ */ |
| 605 public void include() | |
| 606 { | |
| 607 _include++; | |
| 608 } | |
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609 |
| 826 | 610 /* ------------------------------------------------------------ */ |
| 611 public void included() | |
| 612 { | |
| 613 _include--; | |
| 614 if (_out!=null) | |
| 615 _out.reopen(); | |
| 616 } | |
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617 |
| 826 | 618 /* ------------------------------------------------------------ */ |
| 619 public boolean isIdle() | |
| 620 { | |
| 621 return _generator.isIdle() && (_parser.isIdle() || _delayedHandling); | |
| 622 } | |
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623 |
| 826 | 624 /* ------------------------------------------------------------ */ |
| 625 /** | |
| 626 * @see org.eclipse.jetty.io.Connection#isSuspended() | |
| 627 */ | |
| 628 public boolean isSuspended() | |
| 629 { | |
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630 return false; |
| 826 | 631 } |
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632 |
| 826 | 633 /* ------------------------------------------------------------ */ |
| 634 public void onClose() | |
| 635 { | |
| 636 LOG.debug("closed {}",this); | |
| 637 } | |
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638 |
| 826 | 639 /* ------------------------------------------------------------ */ |
| 640 public boolean isExpecting100Continues() | |
| 641 { | |
| 642 return _expect100Continue; | |
| 643 } | |
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644 |
| 826 | 645 /* ------------------------------------------------------------ */ |
| 646 public boolean isExpecting102Processing() | |
| 647 { | |
| 648 return _expect102Processing; | |
| 649 } | |
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|
650 |
| 826 | 651 /* ------------------------------------------------------------ */ |
| 652 public int getMaxIdleTime() | |
| 653 { | |
| 654 if (_connector.isLowResources() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) | |
| 913 | 655 return 0; |
| 826 | 656 if (_endp.getMaxIdleTime()>0) |
| 657 return _endp.getMaxIdleTime(); | |
| 658 return _connector.getMaxIdleTime(); | |
| 659 } | |
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|
660 |
| 826 | 661 /* ------------------------------------------------------------ */ |
| 662 public String toString() | |
| 663 { | |
| 664 return String.format("%s,g=%s,p=%s,r=%d", | |
| 665 super.toString(), | |
| 666 _generator, | |
| 667 _parser, | |
| 668 _requests); | |
| 669 } | |
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|
670 |
| 826 | 671 /* ------------------------------------------------------------ */ |
| 672 protected void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 673 { | |
| 674 uri=uri.asImmutableBuffer(); | |
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675 |
| 826 | 676 _host = false; |
| 677 _expect = false; | |
| 678 _expect100Continue=false; | |
| 679 _expect102Processing=false; | |
| 680 _delayedHandling=false; | |
| 681 _charset=null; | |
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|
682 |
| 826 | 683 if(_request.getTimeStamp()==0) |
| 684 _request.setTimeStamp(System.currentTimeMillis()); | |
| 685 _request.setMethod(method.toString()); | |
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|
686 |
| 826 | 687 try |
| 688 { | |
| 689 _head=false; | |
| 690 switch (HttpMethods.CACHE.getOrdinal(method)) | |
| 691 { | |
| 692 case HttpMethods.CONNECT_ORDINAL: | |
| 693 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
| 694 break; | |
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|
695 |
| 826 | 696 case HttpMethods.HEAD_ORDINAL: |
| 697 _head=true; | |
| 698 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 699 break; | |
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|
700 |
| 826 | 701 default: |
| 702 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 703 } | |
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|
704 |
| 826 | 705 _request.setUri(_uri); |
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|
706 |
| 826 | 707 if (version==null) |
| 708 { | |
| 709 _request.setProtocol(HttpVersions.HTTP_0_9); | |
| 710 _version=HttpVersions.HTTP_0_9_ORDINAL; | |
| 711 } | |
| 712 else | |
| 713 { | |
| 714 version= HttpVersions.CACHE.get(version); | |
| 715 if (version==null) | |
| 716 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); | |
| 717 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 718 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 719 _request.setProtocol(version.toString()); | |
| 720 } | |
| 721 } | |
| 722 catch (Exception e) | |
| 723 { | |
| 724 LOG.debug("",e); | |
| 725 if (e instanceof HttpException) | |
| 726 throw (HttpException)e; | |
| 727 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 728 } | |
| 729 } | |
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|
730 |
| 826 | 731 /* ------------------------------------------------------------ */ |
| 732 protected void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 733 { | |
| 734 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 735 switch (ho) | |
| 736 { | |
| 737 case HttpHeaders.HOST_ORDINAL: | |
| 738 // TODO check if host matched a host in the URI. | |
| 739 _host = true; | |
| 740 break; | |
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|
741 |
| 826 | 742 case HttpHeaders.EXPECT_ORDINAL: |
| 743 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 744 { | |
| 745 value = HttpHeaderValues.CACHE.lookup(value); | |
| 746 switch(HttpHeaderValues.CACHE.getOrdinal(value)) | |
| 747 { | |
| 748 case HttpHeaderValues.CONTINUE_ORDINAL: | |
| 749 _expect100Continue=_generator instanceof HttpGenerator; | |
| 750 break; | |
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|
751 |
| 826 | 752 case HttpHeaderValues.PROCESSING_ORDINAL: |
| 753 _expect102Processing=_generator instanceof HttpGenerator; | |
| 754 break; | |
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|
755 |
| 826 | 756 default: |
| 757 String[] values = value.toString().split(","); | |
| 758 for (int i=0;values!=null && i<values.length;i++) | |
| 759 { | |
| 760 CachedBuffer cb=HttpHeaderValues.CACHE.get(values[i].trim()); | |
| 761 if (cb==null) | |
| 762 _expect=true; | |
| 763 else | |
| 764 { | |
| 765 switch(cb.getOrdinal()) | |
| 766 { | |
| 767 case HttpHeaderValues.CONTINUE_ORDINAL: | |
| 768 _expect100Continue=_generator instanceof HttpGenerator; | |
| 769 break; | |
| 770 case HttpHeaderValues.PROCESSING_ORDINAL: | |
| 771 _expect102Processing=_generator instanceof HttpGenerator; | |
| 772 break; | |
| 773 default: | |
| 774 _expect=true; | |
| 775 } | |
| 776 } | |
| 777 } | |
| 778 } | |
| 779 } | |
| 780 break; | |
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|
781 |
| 826 | 782 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 783 case HttpHeaders.USER_AGENT_ORDINAL: | |
| 784 value = HttpHeaderValues.CACHE.lookup(value); | |
| 785 break; | |
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|
786 |
| 826 | 787 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
| 788 value = MimeTypes.CACHE.lookup(value); | |
| 789 _charset=MimeTypes.getCharsetFromContentType(value); | |
| 790 break; | |
| 791 } | |
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|
792 |
| 826 | 793 _requestFields.add(name, value); |
| 794 } | |
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|
795 |
| 826 | 796 /* ------------------------------------------------------------ */ |
| 797 protected void headerComplete() throws IOException | |
| 798 { | |
| 799 // Handle idle race | |
| 800 if (_endp.isOutputShutdown()) | |
| 801 { | |
| 802 _endp.close(); | |
| 803 return; | |
| 804 } | |
| 805 | |
| 806 _requests++; | |
| 807 _generator.setVersion(_version); | |
| 808 switch (_version) | |
| 809 { | |
| 810 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 811 break; | |
| 812 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 813 _generator.setHead(_head); | |
| 814 if (_parser.isPersistent()) | |
| 815 { | |
| 816 _responseFields.add(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.KEEP_ALIVE_BUFFER); | |
| 817 _generator.setPersistent(true); | |
| 818 } | |
| 819 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 820 { | |
| 821 _generator.setPersistent(true); | |
| 822 _parser.setPersistent(true); | |
| 823 } | |
| 824 break; | |
|
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|
825 |
| 826 | 826 case HttpVersions.HTTP_1_1_ORDINAL: |
| 827 _generator.setHead(_head); | |
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|
828 |
| 826 | 829 if (!_parser.isPersistent()) |
| 830 { | |
| 831 _responseFields.add(HttpHeaders.CONNECTION_BUFFER,HttpHeaderValues.CLOSE_BUFFER); | |
| 832 _generator.setPersistent(false); | |
| 833 } | |
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|
834 |
| 826 | 835 if (!_host) |
| 836 { | |
| 837 LOG.debug("!host {}",this); | |
| 838 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
| 839 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 840 _generator.completeHeader(_responseFields, true); | |
| 841 _generator.complete(); | |
| 842 return; | |
| 843 } | |
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|
844 |
| 826 | 845 if (_expect) |
| 846 { | |
| 847 LOG.debug("!expectation {}",this); | |
| 848 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
| 849 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 850 _generator.completeHeader(_responseFields, true); | |
| 851 _generator.complete(); | |
| 852 return; | |
| 853 } | |
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|
854 |
| 826 | 855 break; |
| 856 default: | |
| 857 } | |
|
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|
858 |
| 826 | 859 if(_charset!=null) |
| 860 _request.setCharacterEncodingUnchecked(_charset); | |
|
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|
861 |
| 826 | 862 // Either handle now or wait for first content |
| 863 if ((((HttpParser)_parser).getContentLength()<=0 && !((HttpParser)_parser).isChunking())||_expect100Continue) | |
| 864 handleRequest(); | |
| 865 else | |
| 866 _delayedHandling=true; | |
| 867 } | |
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868 |
| 826 | 869 /* ------------------------------------------------------------ */ |
| 870 protected void content(Buffer buffer) throws IOException | |
| 871 { | |
| 872 if (_delayedHandling) | |
| 873 { | |
| 874 _delayedHandling=false; | |
| 875 handleRequest(); | |
| 876 } | |
| 877 } | |
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878 |
| 826 | 879 /* ------------------------------------------------------------ */ |
| 880 public void messageComplete(long contentLength) throws IOException | |
| 881 { | |
| 882 if (_delayedHandling) | |
| 883 { | |
| 884 _delayedHandling=false; | |
| 885 handleRequest(); | |
| 886 } | |
| 887 } | |
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888 |
| 826 | 889 /* ------------------------------------------------------------ */ |
| 890 public void earlyEOF() | |
| 891 { | |
| 892 _earlyEOF = true; | |
| 893 } | |
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894 |
| 826 | 895 /* ------------------------------------------------------------ */ |
| 896 /* ------------------------------------------------------------ */ | |
| 897 /* ------------------------------------------------------------ */ | |
| 898 private class RequestHandler extends HttpParser.EventHandler | |
| 899 { | |
| 900 /* | |
| 901 * | |
| 902 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startRequest(org.eclipse.io.Buffer, | |
| 903 * org.eclipse.io.Buffer, org.eclipse.io.Buffer) | |
| 904 */ | |
| 905 @Override | |
| 906 public void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 907 { | |
| 908 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 909 } | |
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910 |
| 826 | 911 /* |
| 912 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#parsedHeaderValue(org.eclipse.io.Buffer) | |
| 913 */ | |
| 914 @Override | |
| 915 public void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 916 { | |
| 917 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 918 } | |
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919 |
| 826 | 920 /* |
| 921 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#headerComplete() | |
| 922 */ | |
| 923 @Override | |
| 924 public void headerComplete() throws IOException | |
| 925 { | |
| 926 AbstractHttpConnection.this.headerComplete(); | |
| 927 } | |
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928 |
| 826 | 929 /* ------------------------------------------------------------ */ |
| 930 /* | |
| 931 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#content(int, org.eclipse.io.Buffer) | |
| 932 */ | |
| 933 @Override | |
| 934 public void content(Buffer ref) throws IOException | |
| 935 { | |
| 936 AbstractHttpConnection.this.content(ref); | |
| 937 } | |
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938 |
| 826 | 939 /* ------------------------------------------------------------ */ |
| 940 /* | |
| 941 * (non-Javadoc) | |
| 942 * | |
| 943 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#messageComplete(int) | |
| 944 */ | |
| 945 @Override | |
| 946 public void messageComplete(long contentLength) throws IOException | |
| 947 { | |
| 948 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 949 } | |
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950 |
| 826 | 951 /* ------------------------------------------------------------ */ |
| 952 /* | |
| 953 * (non-Javadoc) | |
| 954 * | |
| 955 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startResponse(org.eclipse.io.Buffer, int, | |
| 956 * org.eclipse.io.Buffer) | |
| 957 */ | |
| 958 @Override | |
| 959 public void startResponse(Buffer version, int status, Buffer reason) | |
| 960 { | |
| 961 if (LOG.isDebugEnabled()) | |
| 962 LOG.debug("Bad request!: "+version+" "+status+" "+reason); | |
| 963 } | |
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964 |
| 826 | 965 /* ------------------------------------------------------------ */ |
| 966 /* | |
| 967 * (non-Javadoc) | |
| 968 * | |
| 969 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#earlyEOF() | |
| 970 */ | |
| 971 @Override | |
| 972 public void earlyEOF() | |
| 973 { | |
| 974 AbstractHttpConnection.this.earlyEOF(); | |
| 975 } | |
| 976 } | |
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977 |
| 826 | 978 /* ------------------------------------------------------------ */ |
| 979 /* ------------------------------------------------------------ */ | |
| 980 /* ------------------------------------------------------------ */ | |
| 981 public class Output extends HttpOutput | |
| 982 { | |
| 983 Output() | |
| 984 { | |
| 985 super(AbstractHttpConnection.this); | |
| 986 } | |
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987 |
| 826 | 988 /* ------------------------------------------------------------ */ |
| 989 /* | |
| 990 * @see java.io.OutputStream#close() | |
| 991 */ | |
| 992 @Override | |
| 993 public void close() throws IOException | |
| 994 { | |
| 995 if (isClosed()) | |
| 996 return; | |
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997 |
| 826 | 998 if (!isIncluding() && !super._generator.isCommitted()) |
| 999 commitResponse(Generator.LAST); | |
| 1000 else | |
| 1001 flushResponse(); | |
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1002 |
| 826 | 1003 super.close(); |
| 1004 } | |
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1005 |
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1006 |
| 826 | 1007 /* ------------------------------------------------------------ */ |
| 1008 /* | |
| 1009 * @see java.io.OutputStream#flush() | |
| 1010 */ | |
| 1011 @Override | |
| 1012 public void flush() throws IOException | |
| 1013 { | |
| 1014 if (!super._generator.isCommitted()) | |
| 1015 commitResponse(Generator.MORE); | |
| 1016 super.flush(); | |
| 1017 } | |
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1018 |
| 826 | 1019 /* ------------------------------------------------------------ */ |
| 1020 /* | |
| 1021 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 1022 */ | |
| 1023 @Override | |
| 1024 public void print(String s) throws IOException | |
| 1025 { | |
| 1026 if (isClosed()) | |
| 1027 throw new IOException("Closed"); | |
| 1028 PrintWriter writer=getPrintWriter(null); | |
| 1029 writer.print(s); | |
| 1030 } | |
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1031 |
| 826 | 1032 /* ------------------------------------------------------------ */ |
| 1033 public void sendResponse(Buffer response) throws IOException | |
| 1034 { | |
| 1035 ((HttpGenerator)super._generator).sendResponse(response); | |
| 1036 } | |
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1037 |
| 826 | 1038 /* ------------------------------------------------------------ */ |
| 1039 public void sendContent(Object content) throws IOException | |
| 1040 { | |
| 1041 Resource resource=null; | |
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1042 |
| 826 | 1043 if (isClosed()) |
| 1044 throw new IOException("Closed"); | |
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1045 |
| 826 | 1046 if (super._generator.isWritten()) |
| 1047 throw new IllegalStateException("!empty"); | |
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1048 |
| 826 | 1049 if (content instanceof Resource) |
| 1050 { | |
| 1051 resource=(Resource)content; | |
| 1052 _responseFields.putDateField(HttpHeaders.LAST_MODIFIED_BUFFER, resource.lastModified()); | |
| 1053 content=resource.getInputStream(); | |
| 1054 } | |
| 1055 | |
| 1056 // Process content. | |
| 1057 if (content instanceof Buffer) | |
| 1058 { | |
| 1059 super._generator.addContent((Buffer) content, Generator.LAST); | |
| 1060 commitResponse(Generator.LAST); | |
| 1061 } | |
| 1062 else if (content instanceof InputStream) | |
| 1063 { | |
| 1064 InputStream in = (InputStream)content; | |
| 1065 | |
| 1066 try | |
| 1067 { | |
| 1068 int max = super._generator.prepareUncheckedAddContent(); | |
| 1069 Buffer buffer = super._generator.getUncheckedBuffer(); | |
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1070 |
| 826 | 1071 int len=buffer.readFrom(in,max); |
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1072 |
| 826 | 1073 while (len>=0) |
| 1074 { | |
| 1075 super._generator.completeUncheckedAddContent(); | |
| 1076 _out.flush(); | |
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1077 |
| 826 | 1078 max = super._generator.prepareUncheckedAddContent(); |
| 1079 buffer = super._generator.getUncheckedBuffer(); | |
| 1080 len=buffer.readFrom(in,max); | |
| 1081 } | |
| 1082 super._generator.completeUncheckedAddContent(); | |
| 1083 _out.flush(); | |
| 1084 } | |
| 1085 finally | |
| 1086 { | |
| 1087 if (resource!=null) | |
| 1088 resource.release(); | |
| 1089 else | |
| 1090 in.close(); | |
| 1091 } | |
| 1092 } | |
| 1093 else | |
| 1094 throw new IllegalArgumentException("unknown content type?"); | |
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1095 |
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1096 |
| 826 | 1097 } |
| 1098 } | |
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1099 |
| 826 | 1100 /* ------------------------------------------------------------ */ |
| 1101 /* ------------------------------------------------------------ */ | |
| 1102 /* ------------------------------------------------------------ */ | |
| 1103 public class OutputWriter extends HttpWriter | |
| 1104 { | |
| 1105 OutputWriter() | |
| 1106 { | |
| 1107 super(AbstractHttpConnection.this._out); | |
| 1108 } | |
| 1109 } | |
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1110 |
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1111 |
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1112 } |