Mercurial Hosting > luan
annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 934:fe461f7cfc8e
simplify AsyncContinuation
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Sun, 09 Oct 2016 21:03:00 -0600 |
| parents | 6f7e2ff51879 |
| children | 8db5996c8c89 |
| 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 /* ------------------------------------------------------------ */ |
| 394 protected void handleRequest() throws IOException | |
| 395 { | |
| 396 boolean error = false; | |
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397 |
| 826 | 398 String threadName=null; |
| 399 Throwable async_exception=null; | |
| 400 try | |
| 401 { | |
| 402 if (LOG.isDebugEnabled()) | |
| 403 { | |
| 404 threadName=Thread.currentThread().getName(); | |
| 405 Thread.currentThread().setName(threadName+" - "+_uri); | |
| 406 } | |
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407 |
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408 |
| 826 | 409 // Loop here to handle async request redispatches. |
| 410 // The loop is controlled by the call to async.unhandle in the | |
| 411 // finally block below. If call is from a non-blocking connector, | |
| 412 // then the unhandle will return false only if an async dispatch has | |
| 413 // already happened when unhandle is called. For a blocking connector, | |
| 414 // the wait for the asynchronous dispatch or timeout actually happens | |
| 415 // within the call to unhandle(). | |
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416 |
| 826 | 417 final Server server=_server; |
| 929 | 418 _request._async.handling(); |
| 419 if(server!=null && server.isRunning()) | |
| 826 | 420 { |
| 421 _request.setHandled(false); | |
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422 |
| 826 | 423 String info=null; |
| 424 try | |
| 425 { | |
| 426 _uri.getPort(); | |
| 427 String path = null; | |
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428 |
| 826 | 429 try |
| 430 { | |
| 431 path = _uri.getDecodedPath(); | |
| 432 } | |
| 433 catch (Exception e) | |
| 434 { | |
| 435 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); | |
| 436 LOG.trace("",e); | |
| 437 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); | |
| 438 } | |
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439 |
| 826 | 440 info=URIUtil.canonicalPath(path); |
| 441 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) | |
| 442 { | |
| 443 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) | |
| 444 { | |
| 445 info="/"; | |
| 446 _request.setRequestURI(""); | |
| 447 } | |
| 448 else | |
| 449 throw new HttpException(400); | |
| 450 } | |
| 451 _request.setPathInfo(info); | |
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452 |
| 826 | 453 if (_out!=null) |
| 454 _out.reopen(); | |
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455 |
| 929 | 456 _request.setDispatcherType(DispatcherType.REQUEST); |
| 457 _connector.customize(_endp, _request); | |
| 458 server.handle(this); | |
| 826 | 459 } |
| 460 catch (EofException e) | |
| 461 { | |
| 462 async_exception=e; | |
| 463 LOG.debug("",e); | |
| 464 error=true; | |
| 465 _request.setHandled(true); | |
| 466 if (!_response.isCommitted()) | |
| 467 _generator.sendError(500, null, null, true); | |
| 468 } | |
| 469 catch (RuntimeIOException e) | |
| 470 { | |
| 471 async_exception=e; | |
| 472 LOG.debug("",e); | |
| 473 error=true; | |
| 474 _request.setHandled(true); | |
| 475 } | |
| 476 catch (HttpException e) | |
| 477 { | |
| 478 LOG.debug("",e); | |
| 479 error=true; | |
| 480 _request.setHandled(true); | |
| 481 _response.sendError(e.getStatus(), e.getReason()); | |
| 482 } | |
| 483 catch (Throwable e) | |
| 484 { | |
| 485 async_exception=e; | |
| 486 LOG.warn(String.valueOf(_uri),e); | |
| 487 error=true; | |
| 488 _request.setHandled(true); | |
| 489 _generator.sendError(info==null?400:500, null, null, true); | |
| 490 | |
| 491 } | |
| 492 finally | |
| 493 { | |
| 928 | 494 _request._async.unhandle(); |
| 826 | 495 } |
| 496 } | |
| 497 } | |
| 498 finally | |
| 499 { | |
| 500 if (threadName!=null) | |
| 501 Thread.currentThread().setName(threadName); | |
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502 |
| 826 | 503 if (_request._async.isUncompleted()) |
| 504 { | |
| 505 | |
| 506 _request._async.doComplete(async_exception); | |
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507 |
| 826 | 508 if (_expect100Continue) |
| 509 { | |
| 510 LOG.debug("100 continues not sent"); | |
| 511 // We didn't send 100 continues, but the latest interpretation | |
| 512 // of the spec (see httpbis) is that the client will either | |
| 513 // send the body anyway, or close. So we no longer need to | |
| 514 // do anything special here other than make the connection not persistent | |
| 515 _expect100Continue = false; | |
| 516 if (!_response.isCommitted()) | |
| 517 _generator.setPersistent(false); | |
| 518 } | |
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519 |
| 826 | 520 if(_endp.isOpen()) |
| 521 { | |
| 522 if (error) | |
| 523 { | |
| 524 _endp.shutdownOutput(); | |
| 525 _generator.setPersistent(false); | |
| 526 if (!_generator.isComplete()) | |
| 527 _response.complete(); | |
| 528 } | |
| 529 else | |
| 530 { | |
| 531 if (!_response.isCommitted() && !_request.isHandled()) | |
| 532 _response.sendError(HttpServletResponse.SC_NOT_FOUND); | |
| 533 _response.complete(); | |
| 534 if (_generator.isPersistent()) | |
| 535 _connector.persist(_endp); | |
| 536 } | |
| 537 } | |
| 538 else | |
| 539 { | |
| 540 _response.complete(); | |
| 541 } | |
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542 |
| 826 | 543 _request.setHandled(true); |
| 544 } | |
| 545 } | |
| 546 } | |
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547 |
| 826 | 548 /* ------------------------------------------------------------ */ |
| 549 public abstract Connection handle() throws IOException; | |
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550 |
| 826 | 551 /* ------------------------------------------------------------ */ |
| 552 public void commitResponse(boolean last) throws IOException | |
| 553 { | |
| 554 if (!_generator.isCommitted()) | |
| 555 { | |
| 556 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 557 try | |
| 558 { | |
| 559 // If the client was expecting 100 continues, but we sent something | |
| 560 // else, then we need to close the connection | |
| 561 if (_expect100Continue && _response.getStatus()!=100) | |
| 562 _generator.setPersistent(false); | |
| 563 _generator.completeHeader(_responseFields, last); | |
| 564 } | |
| 565 catch(RuntimeException e) | |
| 566 { | |
| 567 LOG.warn("header full: " + e); | |
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568 |
| 826 | 569 _response.reset(); |
| 570 _generator.reset(); | |
| 571 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 572 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 573 _generator.complete(); | |
| 574 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 575 } | |
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576 |
| 826 | 577 } |
| 578 if (last) | |
| 579 _generator.complete(); | |
| 580 } | |
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581 |
| 826 | 582 /* ------------------------------------------------------------ */ |
| 583 public void completeResponse() throws IOException | |
| 584 { | |
| 585 if (!_generator.isCommitted()) | |
| 586 { | |
| 587 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 588 try | |
| 589 { | |
| 590 _generator.completeHeader(_responseFields, Generator.LAST); | |
| 591 } | |
| 592 catch(RuntimeException e) | |
| 593 { | |
| 594 LOG.warn("header full: "+e); | |
| 595 LOG.debug("",e); | |
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596 |
| 826 | 597 _response.reset(); |
| 598 _generator.reset(); | |
| 599 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 600 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 601 _generator.complete(); | |
| 602 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 603 } | |
| 604 } | |
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605 |
| 826 | 606 _generator.complete(); |
| 607 } | |
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608 |
| 826 | 609 /* ------------------------------------------------------------ */ |
| 610 public void flushResponse() throws IOException | |
| 611 { | |
| 612 try | |
| 613 { | |
| 614 commitResponse(Generator.MORE); | |
| 615 _generator.flushBuffer(); | |
| 616 } | |
| 617 catch(IOException e) | |
| 618 { | |
| 619 throw (e instanceof EofException) ? e:new EofException(e); | |
| 620 } | |
| 621 } | |
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622 |
| 826 | 623 /* ------------------------------------------------------------ */ |
| 624 public Generator getGenerator() | |
| 625 { | |
| 626 return _generator; | |
| 627 } | |
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628 |
| 826 | 629 /* ------------------------------------------------------------ */ |
| 630 public boolean isIncluding() | |
| 631 { | |
| 632 return _include>0; | |
| 633 } | |
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634 |
| 826 | 635 /* ------------------------------------------------------------ */ |
| 636 public void include() | |
| 637 { | |
| 638 _include++; | |
| 639 } | |
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640 |
| 826 | 641 /* ------------------------------------------------------------ */ |
| 642 public void included() | |
| 643 { | |
| 644 _include--; | |
| 645 if (_out!=null) | |
| 646 _out.reopen(); | |
| 647 } | |
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648 |
| 826 | 649 /* ------------------------------------------------------------ */ |
| 650 public boolean isIdle() | |
| 651 { | |
| 652 return _generator.isIdle() && (_parser.isIdle() || _delayedHandling); | |
| 653 } | |
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|
654 |
| 826 | 655 /* ------------------------------------------------------------ */ |
| 656 /** | |
| 657 * @see org.eclipse.jetty.io.Connection#isSuspended() | |
| 658 */ | |
| 659 public boolean isSuspended() | |
| 660 { | |
|
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661 return false; |
| 826 | 662 } |
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|
663 |
| 826 | 664 /* ------------------------------------------------------------ */ |
| 665 public void onClose() | |
| 666 { | |
| 667 LOG.debug("closed {}",this); | |
| 668 } | |
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|
669 |
| 826 | 670 /* ------------------------------------------------------------ */ |
| 671 public boolean isExpecting100Continues() | |
| 672 { | |
| 673 return _expect100Continue; | |
| 674 } | |
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|
675 |
| 826 | 676 /* ------------------------------------------------------------ */ |
| 677 public boolean isExpecting102Processing() | |
| 678 { | |
| 679 return _expect102Processing; | |
| 680 } | |
|
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|
681 |
| 826 | 682 /* ------------------------------------------------------------ */ |
| 683 public int getMaxIdleTime() | |
| 684 { | |
| 685 if (_connector.isLowResources() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) | |
| 913 | 686 return 0; |
| 826 | 687 if (_endp.getMaxIdleTime()>0) |
| 688 return _endp.getMaxIdleTime(); | |
| 689 return _connector.getMaxIdleTime(); | |
| 690 } | |
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|
691 |
| 826 | 692 /* ------------------------------------------------------------ */ |
| 693 public String toString() | |
| 694 { | |
| 695 return String.format("%s,g=%s,p=%s,r=%d", | |
| 696 super.toString(), | |
| 697 _generator, | |
| 698 _parser, | |
| 699 _requests); | |
| 700 } | |
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|
701 |
| 826 | 702 /* ------------------------------------------------------------ */ |
| 703 protected void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 704 { | |
| 705 uri=uri.asImmutableBuffer(); | |
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|
706 |
| 826 | 707 _host = false; |
| 708 _expect = false; | |
| 709 _expect100Continue=false; | |
| 710 _expect102Processing=false; | |
| 711 _delayedHandling=false; | |
| 712 _charset=null; | |
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|
713 |
| 826 | 714 if(_request.getTimeStamp()==0) |
| 715 _request.setTimeStamp(System.currentTimeMillis()); | |
| 716 _request.setMethod(method.toString()); | |
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|
717 |
| 826 | 718 try |
| 719 { | |
| 720 _head=false; | |
| 721 switch (HttpMethods.CACHE.getOrdinal(method)) | |
| 722 { | |
| 723 case HttpMethods.CONNECT_ORDINAL: | |
| 724 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
| 725 break; | |
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|
726 |
| 826 | 727 case HttpMethods.HEAD_ORDINAL: |
| 728 _head=true; | |
| 729 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 730 break; | |
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|
731 |
| 826 | 732 default: |
| 733 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 734 } | |
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|
735 |
| 826 | 736 _request.setUri(_uri); |
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|
737 |
| 826 | 738 if (version==null) |
| 739 { | |
| 740 _request.setProtocol(HttpVersions.HTTP_0_9); | |
| 741 _version=HttpVersions.HTTP_0_9_ORDINAL; | |
| 742 } | |
| 743 else | |
| 744 { | |
| 745 version= HttpVersions.CACHE.get(version); | |
| 746 if (version==null) | |
| 747 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); | |
| 748 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 749 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 750 _request.setProtocol(version.toString()); | |
| 751 } | |
| 752 } | |
| 753 catch (Exception e) | |
| 754 { | |
| 755 LOG.debug("",e); | |
| 756 if (e instanceof HttpException) | |
| 757 throw (HttpException)e; | |
| 758 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 759 } | |
| 760 } | |
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|
761 |
| 826 | 762 /* ------------------------------------------------------------ */ |
| 763 protected void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 764 { | |
| 765 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 766 switch (ho) | |
| 767 { | |
| 768 case HttpHeaders.HOST_ORDINAL: | |
| 769 // TODO check if host matched a host in the URI. | |
| 770 _host = true; | |
| 771 break; | |
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|
772 |
| 826 | 773 case HttpHeaders.EXPECT_ORDINAL: |
| 774 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 775 { | |
| 776 value = HttpHeaderValues.CACHE.lookup(value); | |
| 777 switch(HttpHeaderValues.CACHE.getOrdinal(value)) | |
| 778 { | |
| 779 case HttpHeaderValues.CONTINUE_ORDINAL: | |
| 780 _expect100Continue=_generator instanceof HttpGenerator; | |
| 781 break; | |
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|
782 |
| 826 | 783 case HttpHeaderValues.PROCESSING_ORDINAL: |
| 784 _expect102Processing=_generator instanceof HttpGenerator; | |
| 785 break; | |
|
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|
786 |
| 826 | 787 default: |
| 788 String[] values = value.toString().split(","); | |
| 789 for (int i=0;values!=null && i<values.length;i++) | |
| 790 { | |
| 791 CachedBuffer cb=HttpHeaderValues.CACHE.get(values[i].trim()); | |
| 792 if (cb==null) | |
| 793 _expect=true; | |
| 794 else | |
| 795 { | |
| 796 switch(cb.getOrdinal()) | |
| 797 { | |
| 798 case HttpHeaderValues.CONTINUE_ORDINAL: | |
| 799 _expect100Continue=_generator instanceof HttpGenerator; | |
| 800 break; | |
| 801 case HttpHeaderValues.PROCESSING_ORDINAL: | |
| 802 _expect102Processing=_generator instanceof HttpGenerator; | |
| 803 break; | |
| 804 default: | |
| 805 _expect=true; | |
| 806 } | |
| 807 } | |
| 808 } | |
| 809 } | |
| 810 } | |
| 811 break; | |
|
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|
812 |
| 826 | 813 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 814 case HttpHeaders.USER_AGENT_ORDINAL: | |
| 815 value = HttpHeaderValues.CACHE.lookup(value); | |
| 816 break; | |
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|
817 |
| 826 | 818 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
| 819 value = MimeTypes.CACHE.lookup(value); | |
| 820 _charset=MimeTypes.getCharsetFromContentType(value); | |
| 821 break; | |
| 822 } | |
|
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|
823 |
| 826 | 824 _requestFields.add(name, value); |
| 825 } | |
|
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|
826 |
| 826 | 827 /* ------------------------------------------------------------ */ |
| 828 protected void headerComplete() throws IOException | |
| 829 { | |
| 830 // Handle idle race | |
| 831 if (_endp.isOutputShutdown()) | |
| 832 { | |
| 833 _endp.close(); | |
| 834 return; | |
| 835 } | |
| 836 | |
| 837 _requests++; | |
| 838 _generator.setVersion(_version); | |
| 839 switch (_version) | |
| 840 { | |
| 841 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 842 break; | |
| 843 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 844 _generator.setHead(_head); | |
| 845 if (_parser.isPersistent()) | |
| 846 { | |
| 847 _responseFields.add(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.KEEP_ALIVE_BUFFER); | |
| 848 _generator.setPersistent(true); | |
| 849 } | |
| 850 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 851 { | |
| 852 _generator.setPersistent(true); | |
| 853 _parser.setPersistent(true); | |
| 854 } | |
| 855 break; | |
|
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|
856 |
| 826 | 857 case HttpVersions.HTTP_1_1_ORDINAL: |
| 858 _generator.setHead(_head); | |
|
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|
859 |
| 826 | 860 if (!_parser.isPersistent()) |
| 861 { | |
| 862 _responseFields.add(HttpHeaders.CONNECTION_BUFFER,HttpHeaderValues.CLOSE_BUFFER); | |
| 863 _generator.setPersistent(false); | |
| 864 } | |
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changeset
|
865 |
| 826 | 866 if (!_host) |
| 867 { | |
| 868 LOG.debug("!host {}",this); | |
| 869 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
| 870 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 871 _generator.completeHeader(_responseFields, true); | |
| 872 _generator.complete(); | |
| 873 return; | |
| 874 } | |
|
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|
875 |
| 826 | 876 if (_expect) |
| 877 { | |
| 878 LOG.debug("!expectation {}",this); | |
| 879 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
| 880 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 881 _generator.completeHeader(_responseFields, true); | |
| 882 _generator.complete(); | |
| 883 return; | |
| 884 } | |
|
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|
885 |
| 826 | 886 break; |
| 887 default: | |
| 888 } | |
|
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diff
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|
889 |
| 826 | 890 if(_charset!=null) |
| 891 _request.setCharacterEncodingUnchecked(_charset); | |
|
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|
892 |
| 826 | 893 // Either handle now or wait for first content |
| 894 if ((((HttpParser)_parser).getContentLength()<=0 && !((HttpParser)_parser).isChunking())||_expect100Continue) | |
| 895 handleRequest(); | |
| 896 else | |
| 897 _delayedHandling=true; | |
| 898 } | |
|
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changeset
|
899 |
| 826 | 900 /* ------------------------------------------------------------ */ |
| 901 protected void content(Buffer buffer) throws IOException | |
| 902 { | |
| 903 if (_delayedHandling) | |
| 904 { | |
| 905 _delayedHandling=false; | |
| 906 handleRequest(); | |
| 907 } | |
| 908 } | |
|
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diff
changeset
|
909 |
| 826 | 910 /* ------------------------------------------------------------ */ |
| 911 public void messageComplete(long contentLength) throws IOException | |
| 912 { | |
| 913 if (_delayedHandling) | |
| 914 { | |
| 915 _delayedHandling=false; | |
| 916 handleRequest(); | |
| 917 } | |
| 918 } | |
|
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diff
changeset
|
919 |
| 826 | 920 /* ------------------------------------------------------------ */ |
| 921 public void earlyEOF() | |
| 922 { | |
| 923 _earlyEOF = true; | |
| 924 } | |
|
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diff
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|
925 |
| 826 | 926 /* ------------------------------------------------------------ */ |
| 927 /* ------------------------------------------------------------ */ | |
| 928 /* ------------------------------------------------------------ */ | |
| 929 private class RequestHandler extends HttpParser.EventHandler | |
| 930 { | |
| 931 /* | |
| 932 * | |
| 933 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startRequest(org.eclipse.io.Buffer, | |
| 934 * org.eclipse.io.Buffer, org.eclipse.io.Buffer) | |
| 935 */ | |
| 936 @Override | |
| 937 public void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 938 { | |
| 939 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 940 } | |
|
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diff
changeset
|
941 |
| 826 | 942 /* |
| 943 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#parsedHeaderValue(org.eclipse.io.Buffer) | |
| 944 */ | |
| 945 @Override | |
| 946 public void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 947 { | |
| 948 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 949 } | |
|
802
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diff
changeset
|
950 |
| 826 | 951 /* |
| 952 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#headerComplete() | |
| 953 */ | |
| 954 @Override | |
| 955 public void headerComplete() throws IOException | |
| 956 { | |
| 957 AbstractHttpConnection.this.headerComplete(); | |
| 958 } | |
|
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diff
changeset
|
959 |
| 826 | 960 /* ------------------------------------------------------------ */ |
| 961 /* | |
| 962 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#content(int, org.eclipse.io.Buffer) | |
| 963 */ | |
| 964 @Override | |
| 965 public void content(Buffer ref) throws IOException | |
| 966 { | |
| 967 AbstractHttpConnection.this.content(ref); | |
| 968 } | |
|
802
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changeset
|
969 |
| 826 | 970 /* ------------------------------------------------------------ */ |
| 971 /* | |
| 972 * (non-Javadoc) | |
| 973 * | |
| 974 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#messageComplete(int) | |
| 975 */ | |
| 976 @Override | |
| 977 public void messageComplete(long contentLength) throws IOException | |
| 978 { | |
| 979 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 980 } | |
|
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diff
changeset
|
981 |
| 826 | 982 /* ------------------------------------------------------------ */ |
| 983 /* | |
| 984 * (non-Javadoc) | |
| 985 * | |
| 986 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startResponse(org.eclipse.io.Buffer, int, | |
| 987 * org.eclipse.io.Buffer) | |
| 988 */ | |
| 989 @Override | |
| 990 public void startResponse(Buffer version, int status, Buffer reason) | |
| 991 { | |
| 992 if (LOG.isDebugEnabled()) | |
| 993 LOG.debug("Bad request!: "+version+" "+status+" "+reason); | |
| 994 } | |
|
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|
995 |
| 826 | 996 /* ------------------------------------------------------------ */ |
| 997 /* | |
| 998 * (non-Javadoc) | |
| 999 * | |
| 1000 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#earlyEOF() | |
| 1001 */ | |
| 1002 @Override | |
| 1003 public void earlyEOF() | |
| 1004 { | |
| 1005 AbstractHttpConnection.this.earlyEOF(); | |
| 1006 } | |
| 1007 } | |
|
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|
1008 |
| 826 | 1009 /* ------------------------------------------------------------ */ |
| 1010 /* ------------------------------------------------------------ */ | |
| 1011 /* ------------------------------------------------------------ */ | |
| 1012 public class Output extends HttpOutput | |
| 1013 { | |
| 1014 Output() | |
| 1015 { | |
| 1016 super(AbstractHttpConnection.this); | |
| 1017 } | |
|
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|
1018 |
| 826 | 1019 /* ------------------------------------------------------------ */ |
| 1020 /* | |
| 1021 * @see java.io.OutputStream#close() | |
| 1022 */ | |
| 1023 @Override | |
| 1024 public void close() throws IOException | |
| 1025 { | |
| 1026 if (isClosed()) | |
| 1027 return; | |
|
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|
1028 |
| 826 | 1029 if (!isIncluding() && !super._generator.isCommitted()) |
| 1030 commitResponse(Generator.LAST); | |
| 1031 else | |
| 1032 flushResponse(); | |
|
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|
1033 |
| 826 | 1034 super.close(); |
| 1035 } | |
|
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changeset
|
1036 |
|
3428c60d7cfc
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diff
changeset
|
1037 |
| 826 | 1038 /* ------------------------------------------------------------ */ |
| 1039 /* | |
| 1040 * @see java.io.OutputStream#flush() | |
| 1041 */ | |
| 1042 @Override | |
| 1043 public void flush() throws IOException | |
| 1044 { | |
| 1045 if (!super._generator.isCommitted()) | |
| 1046 commitResponse(Generator.MORE); | |
| 1047 super.flush(); | |
| 1048 } | |
|
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|
1049 |
| 826 | 1050 /* ------------------------------------------------------------ */ |
| 1051 /* | |
| 1052 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 1053 */ | |
| 1054 @Override | |
| 1055 public void print(String s) throws IOException | |
| 1056 { | |
| 1057 if (isClosed()) | |
| 1058 throw new IOException("Closed"); | |
| 1059 PrintWriter writer=getPrintWriter(null); | |
| 1060 writer.print(s); | |
| 1061 } | |
|
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|
1062 |
| 826 | 1063 /* ------------------------------------------------------------ */ |
| 1064 public void sendResponse(Buffer response) throws IOException | |
| 1065 { | |
| 1066 ((HttpGenerator)super._generator).sendResponse(response); | |
| 1067 } | |
|
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|
1068 |
| 826 | 1069 /* ------------------------------------------------------------ */ |
| 1070 public void sendContent(Object content) throws IOException | |
| 1071 { | |
| 1072 Resource resource=null; | |
|
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|
1073 |
| 826 | 1074 if (isClosed()) |
| 1075 throw new IOException("Closed"); | |
|
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|
1076 |
| 826 | 1077 if (super._generator.isWritten()) |
| 1078 throw new IllegalStateException("!empty"); | |
|
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|
1079 |
| 826 | 1080 if (content instanceof Resource) |
| 1081 { | |
| 1082 resource=(Resource)content; | |
| 1083 _responseFields.putDateField(HttpHeaders.LAST_MODIFIED_BUFFER, resource.lastModified()); | |
| 1084 content=resource.getInputStream(); | |
| 1085 } | |
| 1086 | |
| 1087 // Process content. | |
| 1088 if (content instanceof Buffer) | |
| 1089 { | |
| 1090 super._generator.addContent((Buffer) content, Generator.LAST); | |
| 1091 commitResponse(Generator.LAST); | |
| 1092 } | |
| 1093 else if (content instanceof InputStream) | |
| 1094 { | |
| 1095 InputStream in = (InputStream)content; | |
| 1096 | |
| 1097 try | |
| 1098 { | |
| 1099 int max = super._generator.prepareUncheckedAddContent(); | |
| 1100 Buffer buffer = super._generator.getUncheckedBuffer(); | |
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3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
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changeset
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1101 |
| 826 | 1102 int len=buffer.readFrom(in,max); |
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3428c60d7cfc
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Franklin Schmidt <fschmidt@gmail.com>
parents:
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changeset
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1103 |
| 826 | 1104 while (len>=0) |
| 1105 { | |
| 1106 super._generator.completeUncheckedAddContent(); | |
| 1107 _out.flush(); | |
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802
3428c60d7cfc
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Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1108 |
| 826 | 1109 max = super._generator.prepareUncheckedAddContent(); |
| 1110 buffer = super._generator.getUncheckedBuffer(); | |
| 1111 len=buffer.readFrom(in,max); | |
| 1112 } | |
| 1113 super._generator.completeUncheckedAddContent(); | |
| 1114 _out.flush(); | |
| 1115 } | |
| 1116 finally | |
| 1117 { | |
| 1118 if (resource!=null) | |
| 1119 resource.release(); | |
| 1120 else | |
| 1121 in.close(); | |
| 1122 } | |
| 1123 } | |
| 1124 else | |
| 1125 throw new IllegalArgumentException("unknown content type?"); | |
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802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1126 |
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3428c60d7cfc
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Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1127 |
| 826 | 1128 } |
| 1129 } | |
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802
3428c60d7cfc
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Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1130 |
| 826 | 1131 /* ------------------------------------------------------------ */ |
| 1132 /* ------------------------------------------------------------ */ | |
| 1133 /* ------------------------------------------------------------ */ | |
| 1134 public class OutputWriter extends HttpWriter | |
| 1135 { | |
| 1136 OutputWriter() | |
| 1137 { | |
| 1138 super(AbstractHttpConnection.this._out); | |
| 1139 } | |
| 1140 } | |
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802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1141 |
|
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1142 |
|
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1143 } |