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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 889:5731a7707466
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| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Thu, 06 Oct 2016 23:24:30 -0600 |
| parents | 150092cebf3e |
| children | b48361bd68e3 |
| 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.continuation.ContinuationThrowable; |
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33 import org.eclipse.jetty.http.EncodedHttpURI; |
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34 import org.eclipse.jetty.http.Generator; |
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35 import org.eclipse.jetty.http.HttpBuffers; |
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36 import org.eclipse.jetty.http.HttpException; |
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37 import org.eclipse.jetty.http.HttpFields; |
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38 import org.eclipse.jetty.http.HttpGenerator; |
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39 import org.eclipse.jetty.http.HttpHeaderValues; |
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40 import org.eclipse.jetty.http.HttpHeaders; |
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41 import org.eclipse.jetty.http.HttpMethods; |
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42 import org.eclipse.jetty.http.HttpParser; |
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43 import org.eclipse.jetty.http.HttpStatus; |
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44 import org.eclipse.jetty.http.HttpURI; |
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45 import org.eclipse.jetty.http.HttpVersions; |
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46 import org.eclipse.jetty.http.MimeTypes; |
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47 import org.eclipse.jetty.http.Parser; |
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48 import org.eclipse.jetty.io.AbstractConnection; |
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49 import org.eclipse.jetty.io.Buffer; |
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50 import org.eclipse.jetty.io.BufferCache.CachedBuffer; |
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51 import org.eclipse.jetty.io.Buffers; |
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52 import org.eclipse.jetty.io.Connection; |
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53 import org.eclipse.jetty.io.EndPoint; |
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54 import org.eclipse.jetty.io.EofException; |
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55 import org.eclipse.jetty.io.RuntimeIOException; |
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56 import org.eclipse.jetty.server.handler.ErrorHandler; |
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57 import org.eclipse.jetty.server.nio.NIOConnector; |
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58 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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59 import org.eclipse.jetty.util.StringUtil; |
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60 import org.eclipse.jetty.util.URIUtil; |
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61 import org.slf4j.Logger; |
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62 import org.slf4j.LoggerFactory; |
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63 import org.eclipse.jetty.util.resource.Resource; |
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64 |
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65 /** |
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66 * <p>A HttpConnection represents the connection of a HTTP client to the server |
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67 * and is created by an instance of a {@link Connector}. It's prime function is |
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68 * to associate {@link Request} and {@link Response} instances with a {@link EndPoint}. |
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69 * </p> |
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70 * <p> |
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71 * A connection is also the prime mechanism used by jetty to recycle objects without |
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72 * pooling. The {@link Request}, {@link Response}, {@link HttpParser}, {@link HttpGenerator} |
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73 * and {@link HttpFields} instances are all recycled for the duraction of |
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74 * a connection. Where appropriate, allocated buffers are also kept associated |
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75 * with the connection via the parser and/or generator. |
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76 * </p> |
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77 * <p> |
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78 * The connection state is held by 3 separate state machines: The request state, the |
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79 * response state and the continuation state. All three state machines must be driven |
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80 * to completion for every request, and all three can complete in any order. |
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81 * </p> |
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82 * <p> |
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83 * The HttpConnection support protocol upgrade. If on completion of a request, the |
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84 * response code is 101 (switch protocols), then the org.eclipse.jetty.io.Connection |
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85 * request attribute is checked to see if there is a new Connection instance. If so, |
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86 * the new connection is returned from {@link #handle()} and is used for future |
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87 * handling of the underlying connection. Note that for switching protocols that |
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88 * don't use 101 responses (eg CONNECT), the response should be sent and then the |
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89 * status code changed to 101 before returning from the handler. Implementors |
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90 * of new Connection types should be careful to extract any buffered data from |
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91 * (HttpParser)http.getParser()).getHeaderBuffer() and |
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92 * (HttpParser)http.getParser()).getBodyBuffer() to initialise their new connection. |
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93 * </p> |
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94 * |
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95 */ |
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96 public abstract class AbstractHttpConnection extends AbstractConnection |
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97 { |
| 826 | 98 private static final Logger LOG = LoggerFactory.getLogger(AbstractHttpConnection.class); |
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99 |
| 826 | 100 private static final int UNKNOWN = -2; |
| 101 private static final ThreadLocal<AbstractHttpConnection> __currentConnection = new ThreadLocal<AbstractHttpConnection>(); | |
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102 |
| 826 | 103 private int _requests; |
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104 |
| 826 | 105 protected final Connector _connector; |
| 106 protected final Server _server; | |
| 107 protected final HttpURI _uri; | |
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108 |
| 826 | 109 protected final Parser _parser; |
| 110 protected final HttpFields _requestFields; | |
| 111 protected final Request _request; | |
| 112 protected volatile ServletInputStream _in; | |
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113 |
| 826 | 114 protected final Generator _generator; |
| 115 protected final HttpFields _responseFields; | |
| 116 protected final Response _response; | |
| 117 protected volatile Output _out; | |
| 118 protected volatile OutputWriter _writer; | |
| 119 protected volatile PrintWriter _printWriter; | |
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120 |
| 826 | 121 int _include; |
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122 |
| 826 | 123 private Object _associatedObject; // associated object |
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124 |
| 826 | 125 private int _version = UNKNOWN; |
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126 |
| 826 | 127 private String _charset; |
| 128 private boolean _expect = false; | |
| 129 private boolean _expect100Continue = false; | |
| 130 private boolean _expect102Processing = false; | |
| 131 private boolean _head = false; | |
| 132 private boolean _host = false; | |
| 133 private boolean _delayedHandling=false; | |
| 134 private boolean _earlyEOF = false; | |
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135 |
| 826 | 136 /* ------------------------------------------------------------ */ |
| 137 public static AbstractHttpConnection getCurrentConnection() | |
| 138 { | |
| 139 return __currentConnection.get(); | |
| 140 } | |
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141 |
| 826 | 142 /* ------------------------------------------------------------ */ |
| 143 protected static void setCurrentConnection(AbstractHttpConnection connection) | |
| 144 { | |
| 145 __currentConnection.set(connection); | |
| 146 } | |
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147 |
| 826 | 148 /* ------------------------------------------------------------ */ |
| 149 public AbstractHttpConnection(Connector connector, EndPoint endpoint, Server server) | |
| 150 { | |
| 151 super(endpoint); | |
| 152 _uri = StringUtil.__UTF8.equals(URIUtil.__CHARSET)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); | |
| 153 _connector = connector; | |
| 154 HttpBuffers ab = (HttpBuffers)_connector; | |
| 155 _parser = newHttpParser(ab.getRequestBuffers(), endpoint, new RequestHandler()); | |
| 156 _requestFields = new HttpFields(); | |
| 157 _responseFields = new HttpFields(); | |
| 158 _request = new Request(this); | |
| 159 _response = new Response(this); | |
| 160 _generator = newHttpGenerator(ab.getResponseBuffers(), endpoint); | |
| 161 _server = server; | |
| 162 } | |
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163 |
| 826 | 164 /* ------------------------------------------------------------ */ |
| 165 protected AbstractHttpConnection(Connector connector, EndPoint endpoint, Server server, | |
| 166 Parser parser, Generator generator, Request request) | |
| 167 { | |
| 168 super(endpoint); | |
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169 |
| 826 | 170 _uri = URIUtil.__CHARSET.equals(StringUtil.__UTF8)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); |
| 171 _connector = connector; | |
| 172 _parser = parser; | |
| 173 _requestFields = new HttpFields(); | |
| 174 _responseFields = new HttpFields(); | |
| 175 _request = request; | |
| 176 _response = new Response(this); | |
| 177 _generator = generator; | |
| 178 _server = server; | |
| 179 } | |
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180 |
| 826 | 181 protected HttpParser newHttpParser(Buffers requestBuffers, EndPoint endpoint, HttpParser.EventHandler requestHandler) |
| 182 { | |
| 183 return new HttpParser(requestBuffers, endpoint, requestHandler); | |
| 184 } | |
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185 |
| 826 | 186 protected HttpGenerator newHttpGenerator(Buffers responseBuffers, EndPoint endPoint) |
| 187 { | |
| 188 return new HttpGenerator(responseBuffers, endPoint); | |
| 189 } | |
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190 |
| 826 | 191 /* ------------------------------------------------------------ */ |
| 192 /** | |
| 193 * @return the parser used by this connection | |
| 194 */ | |
| 195 public Parser getParser() | |
| 196 { | |
| 197 return _parser; | |
| 198 } | |
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199 |
| 826 | 200 /* ------------------------------------------------------------ */ |
| 201 /** | |
| 202 * @return the number of requests handled by this connection | |
| 203 */ | |
| 204 public int getRequests() | |
| 205 { | |
| 206 return _requests; | |
| 207 } | |
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208 |
| 826 | 209 /* ------------------------------------------------------------ */ |
| 210 public Server getServer() | |
| 211 { | |
| 212 return _server; | |
| 213 } | |
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214 |
| 826 | 215 /* ------------------------------------------------------------ */ |
| 216 /** | |
| 217 * @return Returns the associatedObject. | |
| 218 */ | |
| 219 public Object getAssociatedObject() | |
| 220 { | |
| 221 return _associatedObject; | |
| 222 } | |
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223 |
| 826 | 224 /* ------------------------------------------------------------ */ |
| 225 /** | |
| 226 * @param associatedObject The associatedObject to set. | |
| 227 */ | |
| 228 public void setAssociatedObject(Object associatedObject) | |
| 229 { | |
| 230 _associatedObject = associatedObject; | |
| 231 } | |
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232 |
| 826 | 233 /* ------------------------------------------------------------ */ |
| 234 /** | |
| 235 * @return Returns the connector. | |
| 236 */ | |
| 237 public Connector getConnector() | |
| 238 { | |
| 239 return _connector; | |
| 240 } | |
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241 |
| 826 | 242 /* ------------------------------------------------------------ */ |
| 243 /** | |
| 244 * @return Returns the requestFields. | |
| 245 */ | |
| 246 public HttpFields getRequestFields() | |
| 247 { | |
| 248 return _requestFields; | |
| 249 } | |
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250 |
| 826 | 251 /* ------------------------------------------------------------ */ |
| 252 /** | |
| 253 * @return Returns the responseFields. | |
| 254 */ | |
| 255 public HttpFields getResponseFields() | |
| 256 { | |
| 257 return _responseFields; | |
| 258 } | |
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259 |
| 826 | 260 /* ------------------------------------------------------------ */ |
| 261 /** | |
| 262 * Find out if the request supports CONFIDENTIAL security. | |
| 263 * @param request the incoming HTTP request | |
| 264 * @return the result of calling {@link Connector#isConfidential(Request)}, or false | |
| 265 * if there is no connector | |
| 266 */ | |
| 267 public boolean isConfidential(Request request) | |
| 268 { | |
| 269 return _connector != null && _connector.isConfidential(request); | |
| 270 } | |
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271 |
| 826 | 272 /* ------------------------------------------------------------ */ |
| 273 /** | |
| 274 * Find out if the request supports INTEGRAL security. | |
| 275 * @param request the incoming HTTP request | |
| 276 * @return the result of calling {@link Connector#isIntegral(Request)}, or false | |
| 277 * if there is no connector | |
| 278 */ | |
| 279 public boolean isIntegral(Request request) | |
| 280 { | |
| 281 return _connector != null && _connector.isIntegral(request); | |
| 282 } | |
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283 |
| 826 | 284 /* ------------------------------------------------------------ */ |
| 285 /** | |
| 286 * @return <code>false</code> (this method is not yet implemented) | |
| 287 */ | |
| 288 public boolean getResolveNames() | |
| 289 { | |
| 290 return _connector.getResolveNames(); | |
| 291 } | |
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292 |
| 826 | 293 /* ------------------------------------------------------------ */ |
| 294 /** | |
| 295 * @return Returns the request. | |
| 296 */ | |
| 297 public Request getRequest() | |
| 298 { | |
| 299 return _request; | |
| 300 } | |
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301 |
| 826 | 302 /* ------------------------------------------------------------ */ |
| 303 /** | |
| 304 * @return Returns the response. | |
| 305 */ | |
| 306 public Response getResponse() | |
| 307 { | |
| 308 return _response; | |
| 309 } | |
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310 |
| 826 | 311 /* ------------------------------------------------------------ */ |
| 312 /** | |
| 313 * Get the inputStream from the connection. | |
| 314 * <p> | |
| 315 * If the associated response has the Expect header set to 100 Continue, | |
| 316 * then accessing the input stream indicates that the handler/servlet | |
| 317 * is ready for the request body and thus a 100 Continue response is sent. | |
| 318 * | |
| 319 * @return The input stream for this connection. | |
| 320 * The stream will be created if it does not already exist. | |
| 321 * @throws IOException if the input stream cannot be retrieved | |
| 322 */ | |
| 323 public ServletInputStream getInputStream() throws IOException | |
| 324 { | |
| 325 // If the client is expecting 100 CONTINUE, then send it now. | |
| 326 if (_expect100Continue) | |
| 327 { | |
| 328 // is content missing? | |
| 329 if (((HttpParser)_parser).getHeaderBuffer()==null || ((HttpParser)_parser).getHeaderBuffer().length()<2) | |
| 330 { | |
| 331 if (_generator.isCommitted()) | |
| 332 throw new IllegalStateException("Committed before 100 Continues"); | |
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333 |
| 826 | 334 ((HttpGenerator)_generator).send1xx(HttpStatus.CONTINUE_100); |
| 335 } | |
| 336 _expect100Continue=false; | |
| 337 } | |
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338 |
| 826 | 339 if (_in == null) |
| 340 _in = new HttpInput(AbstractHttpConnection.this); | |
| 341 return _in; | |
| 342 } | |
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343 |
| 826 | 344 /* ------------------------------------------------------------ */ |
| 345 /** | |
| 346 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
| 347 */ | |
| 348 public ServletOutputStream getOutputStream() | |
| 349 { | |
| 350 if (_out == null) | |
| 351 _out = new Output(); | |
| 352 return _out; | |
| 353 } | |
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354 |
| 826 | 355 /* ------------------------------------------------------------ */ |
| 356 /** | |
| 357 * @param encoding the PrintWriter encoding | |
| 358 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
| 359 * does not already exist. | |
| 360 */ | |
| 361 public PrintWriter getPrintWriter(String encoding) | |
| 362 { | |
| 363 getOutputStream(); | |
| 364 if (_writer==null) | |
| 365 { | |
| 366 _writer=new OutputWriter(); | |
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367 _printWriter = new PrintWriter(_writer) |
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368 { |
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369 public void close() |
| 826 | 370 { |
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371 synchronized (lock) |
| 826 | 372 { |
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373 try |
| 826 | 374 { |
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375 out.close(); |
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376 } |
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377 catch (IOException e) |
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378 { |
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379 setError(); |
| 826 | 380 } |
| 381 } | |
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382 } |
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383 }; |
| 826 | 384 } |
| 385 _writer.setCharacterEncoding(encoding); | |
| 386 return _printWriter; | |
| 387 } | |
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388 |
| 826 | 389 /* ------------------------------------------------------------ */ |
| 390 public boolean isResponseCommitted() | |
| 391 { | |
| 392 return _generator.isCommitted(); | |
| 393 } | |
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394 |
| 826 | 395 /* ------------------------------------------------------------ */ |
| 396 public boolean isEarlyEOF() | |
| 397 { | |
| 398 return _earlyEOF; | |
| 399 } | |
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400 |
| 826 | 401 /* ------------------------------------------------------------ */ |
| 402 public void reset() | |
| 403 { | |
| 404 _parser.reset(); | |
| 405 _parser.returnBuffers(); // TODO maybe only on unhandle | |
| 406 _requestFields.clear(); | |
| 407 _request.recycle(); | |
| 408 _generator.reset(); | |
| 409 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 410 _responseFields.clear(); | |
| 411 _response.recycle(); | |
| 412 _uri.clear(); | |
| 413 _writer=null; | |
| 414 _earlyEOF = false; | |
| 415 } | |
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416 |
| 826 | 417 /* ------------------------------------------------------------ */ |
| 418 protected void handleRequest() throws IOException | |
| 419 { | |
| 420 boolean error = false; | |
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421 |
| 826 | 422 String threadName=null; |
| 423 Throwable async_exception=null; | |
| 424 try | |
| 425 { | |
| 426 if (LOG.isDebugEnabled()) | |
| 427 { | |
| 428 threadName=Thread.currentThread().getName(); | |
| 429 Thread.currentThread().setName(threadName+" - "+_uri); | |
| 430 } | |
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431 |
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432 |
| 826 | 433 // Loop here to handle async request redispatches. |
| 434 // The loop is controlled by the call to async.unhandle in the | |
| 435 // finally block below. If call is from a non-blocking connector, | |
| 436 // then the unhandle will return false only if an async dispatch has | |
| 437 // already happened when unhandle is called. For a blocking connector, | |
| 438 // the wait for the asynchronous dispatch or timeout actually happens | |
| 439 // within the call to unhandle(). | |
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440 |
| 826 | 441 final Server server=_server; |
| 442 boolean was_continuation=_request._async.isContinuation(); | |
| 443 boolean handling=_request._async.handling() && server!=null && server.isRunning(); | |
| 444 while (handling) | |
| 445 { | |
| 446 _request.setHandled(false); | |
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447 |
| 826 | 448 String info=null; |
| 449 try | |
| 450 { | |
| 451 _uri.getPort(); | |
| 452 String path = null; | |
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453 |
| 826 | 454 try |
| 455 { | |
| 456 path = _uri.getDecodedPath(); | |
| 457 } | |
| 458 catch (Exception e) | |
| 459 { | |
| 460 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); | |
| 461 LOG.trace("",e); | |
| 462 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); | |
| 463 } | |
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464 |
| 826 | 465 info=URIUtil.canonicalPath(path); |
| 466 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) | |
| 467 { | |
| 468 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) | |
| 469 { | |
| 470 info="/"; | |
| 471 _request.setRequestURI(""); | |
| 472 } | |
| 473 else | |
| 474 throw new HttpException(400); | |
| 475 } | |
| 476 _request.setPathInfo(info); | |
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477 |
| 826 | 478 if (_out!=null) |
| 479 _out.reopen(); | |
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480 |
| 826 | 481 if (_request._async.isInitial()) |
| 482 { | |
| 483 _request.setDispatcherType(DispatcherType.REQUEST); | |
| 484 _connector.customize(_endp, _request); | |
| 485 server.handle(this); | |
| 486 } | |
| 487 else | |
| 488 { | |
| 489 if (_request._async.isExpired()&&!was_continuation) | |
| 490 { | |
| 491 async_exception = (Throwable)_request.getAttribute(RequestDispatcher.ERROR_EXCEPTION); | |
| 492 _response.setStatus(500,async_exception==null?"Async Timeout":"Async Exception"); | |
| 493 _request.setAttribute(RequestDispatcher.ERROR_STATUS_CODE,new Integer(500)); | |
| 494 _request.setAttribute(RequestDispatcher.ERROR_MESSAGE, _response.getReason()); | |
| 495 _request.setDispatcherType(DispatcherType.ERROR); | |
| 496 } | |
| 497 else | |
| 498 _request.setDispatcherType(DispatcherType.ASYNC); | |
| 499 server.handleAsync(this); | |
| 500 } | |
| 501 } | |
| 502 catch (ContinuationThrowable e) | |
| 503 { | |
| 504 LOG.trace("",e); | |
| 505 } | |
| 506 catch (EofException e) | |
| 507 { | |
| 508 async_exception=e; | |
| 509 LOG.debug("",e); | |
| 510 error=true; | |
| 511 _request.setHandled(true); | |
| 512 if (!_response.isCommitted()) | |
| 513 _generator.sendError(500, null, null, true); | |
| 514 } | |
| 515 catch (RuntimeIOException e) | |
| 516 { | |
| 517 async_exception=e; | |
| 518 LOG.debug("",e); | |
| 519 error=true; | |
| 520 _request.setHandled(true); | |
| 521 } | |
| 522 catch (HttpException e) | |
| 523 { | |
| 524 LOG.debug("",e); | |
| 525 error=true; | |
| 526 _request.setHandled(true); | |
| 527 _response.sendError(e.getStatus(), e.getReason()); | |
| 528 } | |
| 529 catch (Throwable e) | |
| 530 { | |
| 531 async_exception=e; | |
| 532 LOG.warn(String.valueOf(_uri),e); | |
| 533 error=true; | |
| 534 _request.setHandled(true); | |
| 535 _generator.sendError(info==null?400:500, null, null, true); | |
| 536 | |
| 537 } | |
| 538 finally | |
| 539 { | |
| 540 // Complete async requests | |
| 541 if (error && _request.isAsyncStarted()) | |
| 542 _request.getAsyncContinuation().errorComplete(); | |
| 543 | |
| 544 was_continuation=_request._async.isContinuation(); | |
| 545 handling = !_request._async.unhandle() && server.isRunning() && _server!=null; | |
| 546 } | |
| 547 } | |
| 548 } | |
| 549 finally | |
| 550 { | |
| 551 if (threadName!=null) | |
| 552 Thread.currentThread().setName(threadName); | |
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553 |
| 826 | 554 if (_request._async.isUncompleted()) |
| 555 { | |
| 556 | |
| 557 _request._async.doComplete(async_exception); | |
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558 |
| 826 | 559 if (_expect100Continue) |
| 560 { | |
| 561 LOG.debug("100 continues not sent"); | |
| 562 // We didn't send 100 continues, but the latest interpretation | |
| 563 // of the spec (see httpbis) is that the client will either | |
| 564 // send the body anyway, or close. So we no longer need to | |
| 565 // do anything special here other than make the connection not persistent | |
| 566 _expect100Continue = false; | |
| 567 if (!_response.isCommitted()) | |
| 568 _generator.setPersistent(false); | |
| 569 } | |
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570 |
| 826 | 571 if(_endp.isOpen()) |
| 572 { | |
| 573 if (error) | |
| 574 { | |
| 575 _endp.shutdownOutput(); | |
| 576 _generator.setPersistent(false); | |
| 577 if (!_generator.isComplete()) | |
| 578 _response.complete(); | |
| 579 } | |
| 580 else | |
| 581 { | |
| 582 if (!_response.isCommitted() && !_request.isHandled()) | |
| 583 _response.sendError(HttpServletResponse.SC_NOT_FOUND); | |
| 584 _response.complete(); | |
| 585 if (_generator.isPersistent()) | |
| 586 _connector.persist(_endp); | |
| 587 } | |
| 588 } | |
| 589 else | |
| 590 { | |
| 591 _response.complete(); | |
| 592 } | |
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593 |
| 826 | 594 _request.setHandled(true); |
| 595 } | |
| 596 } | |
| 597 } | |
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598 |
| 826 | 599 /* ------------------------------------------------------------ */ |
| 600 public abstract Connection handle() throws IOException; | |
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601 |
| 826 | 602 /* ------------------------------------------------------------ */ |
| 603 public void commitResponse(boolean last) throws IOException | |
| 604 { | |
| 605 if (!_generator.isCommitted()) | |
| 606 { | |
| 607 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 608 try | |
| 609 { | |
| 610 // If the client was expecting 100 continues, but we sent something | |
| 611 // else, then we need to close the connection | |
| 612 if (_expect100Continue && _response.getStatus()!=100) | |
| 613 _generator.setPersistent(false); | |
| 614 _generator.completeHeader(_responseFields, last); | |
| 615 } | |
| 616 catch(RuntimeException e) | |
| 617 { | |
| 618 LOG.warn("header full: " + e); | |
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619 |
| 826 | 620 _response.reset(); |
| 621 _generator.reset(); | |
| 622 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 623 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 624 _generator.complete(); | |
| 625 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 626 } | |
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627 |
| 826 | 628 } |
| 629 if (last) | |
| 630 _generator.complete(); | |
| 631 } | |
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632 |
| 826 | 633 /* ------------------------------------------------------------ */ |
| 634 public void completeResponse() throws IOException | |
| 635 { | |
| 636 if (!_generator.isCommitted()) | |
| 637 { | |
| 638 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 639 try | |
| 640 { | |
| 641 _generator.completeHeader(_responseFields, Generator.LAST); | |
| 642 } | |
| 643 catch(RuntimeException e) | |
| 644 { | |
| 645 LOG.warn("header full: "+e); | |
| 646 LOG.debug("",e); | |
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647 |
| 826 | 648 _response.reset(); |
| 649 _generator.reset(); | |
| 650 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 651 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 652 _generator.complete(); | |
| 653 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 654 } | |
| 655 } | |
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656 |
| 826 | 657 _generator.complete(); |
| 658 } | |
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|
659 |
| 826 | 660 /* ------------------------------------------------------------ */ |
| 661 public void flushResponse() throws IOException | |
| 662 { | |
| 663 try | |
| 664 { | |
| 665 commitResponse(Generator.MORE); | |
| 666 _generator.flushBuffer(); | |
| 667 } | |
| 668 catch(IOException e) | |
| 669 { | |
| 670 throw (e instanceof EofException) ? e:new EofException(e); | |
| 671 } | |
| 672 } | |
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673 |
| 826 | 674 /* ------------------------------------------------------------ */ |
| 675 public Generator getGenerator() | |
| 676 { | |
| 677 return _generator; | |
| 678 } | |
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679 |
| 826 | 680 /* ------------------------------------------------------------ */ |
| 681 public boolean isIncluding() | |
| 682 { | |
| 683 return _include>0; | |
| 684 } | |
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|
685 |
| 826 | 686 /* ------------------------------------------------------------ */ |
| 687 public void include() | |
| 688 { | |
| 689 _include++; | |
| 690 } | |
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|
691 |
| 826 | 692 /* ------------------------------------------------------------ */ |
| 693 public void included() | |
| 694 { | |
| 695 _include--; | |
| 696 if (_out!=null) | |
| 697 _out.reopen(); | |
| 698 } | |
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699 |
| 826 | 700 /* ------------------------------------------------------------ */ |
| 701 public boolean isIdle() | |
| 702 { | |
| 703 return _generator.isIdle() && (_parser.isIdle() || _delayedHandling); | |
| 704 } | |
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705 |
| 826 | 706 /* ------------------------------------------------------------ */ |
| 707 /** | |
| 708 * @see org.eclipse.jetty.io.Connection#isSuspended() | |
| 709 */ | |
| 710 public boolean isSuspended() | |
| 711 { | |
| 712 return _request.getAsyncContinuation().isSuspended(); | |
| 713 } | |
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714 |
| 826 | 715 /* ------------------------------------------------------------ */ |
| 716 public void onClose() | |
| 717 { | |
| 718 LOG.debug("closed {}",this); | |
| 719 } | |
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720 |
| 826 | 721 /* ------------------------------------------------------------ */ |
| 722 public boolean isExpecting100Continues() | |
| 723 { | |
| 724 return _expect100Continue; | |
| 725 } | |
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726 |
| 826 | 727 /* ------------------------------------------------------------ */ |
| 728 public boolean isExpecting102Processing() | |
| 729 { | |
| 730 return _expect102Processing; | |
| 731 } | |
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|
732 |
| 826 | 733 /* ------------------------------------------------------------ */ |
| 734 public int getMaxIdleTime() | |
| 735 { | |
| 736 if (_connector.isLowResources() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) | |
| 737 return _connector.getLowResourceMaxIdleTime(); | |
| 738 if (_endp.getMaxIdleTime()>0) | |
| 739 return _endp.getMaxIdleTime(); | |
| 740 return _connector.getMaxIdleTime(); | |
| 741 } | |
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|
742 |
| 826 | 743 /* ------------------------------------------------------------ */ |
| 744 public String toString() | |
| 745 { | |
| 746 return String.format("%s,g=%s,p=%s,r=%d", | |
| 747 super.toString(), | |
| 748 _generator, | |
| 749 _parser, | |
| 750 _requests); | |
| 751 } | |
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|
752 |
| 826 | 753 /* ------------------------------------------------------------ */ |
| 754 protected void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 755 { | |
| 756 uri=uri.asImmutableBuffer(); | |
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757 |
| 826 | 758 _host = false; |
| 759 _expect = false; | |
| 760 _expect100Continue=false; | |
| 761 _expect102Processing=false; | |
| 762 _delayedHandling=false; | |
| 763 _charset=null; | |
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764 |
| 826 | 765 if(_request.getTimeStamp()==0) |
| 766 _request.setTimeStamp(System.currentTimeMillis()); | |
| 767 _request.setMethod(method.toString()); | |
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|
768 |
| 826 | 769 try |
| 770 { | |
| 771 _head=false; | |
| 772 switch (HttpMethods.CACHE.getOrdinal(method)) | |
| 773 { | |
| 774 case HttpMethods.CONNECT_ORDINAL: | |
| 775 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
| 776 break; | |
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|
777 |
| 826 | 778 case HttpMethods.HEAD_ORDINAL: |
| 779 _head=true; | |
| 780 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 781 break; | |
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|
782 |
| 826 | 783 default: |
| 784 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 785 } | |
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786 |
| 826 | 787 _request.setUri(_uri); |
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|
788 |
| 826 | 789 if (version==null) |
| 790 { | |
| 791 _request.setProtocol(HttpVersions.HTTP_0_9); | |
| 792 _version=HttpVersions.HTTP_0_9_ORDINAL; | |
| 793 } | |
| 794 else | |
| 795 { | |
| 796 version= HttpVersions.CACHE.get(version); | |
| 797 if (version==null) | |
| 798 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); | |
| 799 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 800 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 801 _request.setProtocol(version.toString()); | |
| 802 } | |
| 803 } | |
| 804 catch (Exception e) | |
| 805 { | |
| 806 LOG.debug("",e); | |
| 807 if (e instanceof HttpException) | |
| 808 throw (HttpException)e; | |
| 809 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 810 } | |
| 811 } | |
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|
812 |
| 826 | 813 /* ------------------------------------------------------------ */ |
| 814 protected void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 815 { | |
| 816 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 817 switch (ho) | |
| 818 { | |
| 819 case HttpHeaders.HOST_ORDINAL: | |
| 820 // TODO check if host matched a host in the URI. | |
| 821 _host = true; | |
| 822 break; | |
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|
823 |
| 826 | 824 case HttpHeaders.EXPECT_ORDINAL: |
| 825 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 826 { | |
| 827 value = HttpHeaderValues.CACHE.lookup(value); | |
| 828 switch(HttpHeaderValues.CACHE.getOrdinal(value)) | |
| 829 { | |
| 830 case HttpHeaderValues.CONTINUE_ORDINAL: | |
| 831 _expect100Continue=_generator instanceof HttpGenerator; | |
| 832 break; | |
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|
833 |
| 826 | 834 case HttpHeaderValues.PROCESSING_ORDINAL: |
| 835 _expect102Processing=_generator instanceof HttpGenerator; | |
| 836 break; | |
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|
837 |
| 826 | 838 default: |
| 839 String[] values = value.toString().split(","); | |
| 840 for (int i=0;values!=null && i<values.length;i++) | |
| 841 { | |
| 842 CachedBuffer cb=HttpHeaderValues.CACHE.get(values[i].trim()); | |
| 843 if (cb==null) | |
| 844 _expect=true; | |
| 845 else | |
| 846 { | |
| 847 switch(cb.getOrdinal()) | |
| 848 { | |
| 849 case HttpHeaderValues.CONTINUE_ORDINAL: | |
| 850 _expect100Continue=_generator instanceof HttpGenerator; | |
| 851 break; | |
| 852 case HttpHeaderValues.PROCESSING_ORDINAL: | |
| 853 _expect102Processing=_generator instanceof HttpGenerator; | |
| 854 break; | |
| 855 default: | |
| 856 _expect=true; | |
| 857 } | |
| 858 } | |
| 859 } | |
| 860 } | |
| 861 } | |
| 862 break; | |
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|
863 |
| 826 | 864 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 865 case HttpHeaders.USER_AGENT_ORDINAL: | |
| 866 value = HttpHeaderValues.CACHE.lookup(value); | |
| 867 break; | |
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868 |
| 826 | 869 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
| 870 value = MimeTypes.CACHE.lookup(value); | |
| 871 _charset=MimeTypes.getCharsetFromContentType(value); | |
| 872 break; | |
| 873 } | |
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|
874 |
| 826 | 875 _requestFields.add(name, value); |
| 876 } | |
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|
877 |
| 826 | 878 /* ------------------------------------------------------------ */ |
| 879 protected void headerComplete() throws IOException | |
| 880 { | |
| 881 // Handle idle race | |
| 882 if (_endp.isOutputShutdown()) | |
| 883 { | |
| 884 _endp.close(); | |
| 885 return; | |
| 886 } | |
| 887 | |
| 888 _requests++; | |
| 889 _generator.setVersion(_version); | |
| 890 switch (_version) | |
| 891 { | |
| 892 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 893 break; | |
| 894 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 895 _generator.setHead(_head); | |
| 896 if (_parser.isPersistent()) | |
| 897 { | |
| 898 _responseFields.add(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.KEEP_ALIVE_BUFFER); | |
| 899 _generator.setPersistent(true); | |
| 900 } | |
| 901 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 902 { | |
| 903 _generator.setPersistent(true); | |
| 904 _parser.setPersistent(true); | |
| 905 } | |
| 906 break; | |
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|
907 |
| 826 | 908 case HttpVersions.HTTP_1_1_ORDINAL: |
| 909 _generator.setHead(_head); | |
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|
910 |
| 826 | 911 if (!_parser.isPersistent()) |
| 912 { | |
| 913 _responseFields.add(HttpHeaders.CONNECTION_BUFFER,HttpHeaderValues.CLOSE_BUFFER); | |
| 914 _generator.setPersistent(false); | |
| 915 } | |
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|
916 |
| 826 | 917 if (!_host) |
| 918 { | |
| 919 LOG.debug("!host {}",this); | |
| 920 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
| 921 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 922 _generator.completeHeader(_responseFields, true); | |
| 923 _generator.complete(); | |
| 924 return; | |
| 925 } | |
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|
926 |
| 826 | 927 if (_expect) |
| 928 { | |
| 929 LOG.debug("!expectation {}",this); | |
| 930 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
| 931 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 932 _generator.completeHeader(_responseFields, true); | |
| 933 _generator.complete(); | |
| 934 return; | |
| 935 } | |
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|
936 |
| 826 | 937 break; |
| 938 default: | |
| 939 } | |
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|
940 |
| 826 | 941 if(_charset!=null) |
| 942 _request.setCharacterEncodingUnchecked(_charset); | |
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|
943 |
| 826 | 944 // Either handle now or wait for first content |
| 945 if ((((HttpParser)_parser).getContentLength()<=0 && !((HttpParser)_parser).isChunking())||_expect100Continue) | |
| 946 handleRequest(); | |
| 947 else | |
| 948 _delayedHandling=true; | |
| 949 } | |
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|
950 |
| 826 | 951 /* ------------------------------------------------------------ */ |
| 952 protected void content(Buffer buffer) throws IOException | |
| 953 { | |
| 954 if (_delayedHandling) | |
| 955 { | |
| 956 _delayedHandling=false; | |
| 957 handleRequest(); | |
| 958 } | |
| 959 } | |
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|
960 |
| 826 | 961 /* ------------------------------------------------------------ */ |
| 962 public void messageComplete(long contentLength) throws IOException | |
| 963 { | |
| 964 if (_delayedHandling) | |
| 965 { | |
| 966 _delayedHandling=false; | |
| 967 handleRequest(); | |
| 968 } | |
| 969 } | |
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|
970 |
| 826 | 971 /* ------------------------------------------------------------ */ |
| 972 public void earlyEOF() | |
| 973 { | |
| 974 _earlyEOF = true; | |
| 975 } | |
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|
976 |
| 826 | 977 /* ------------------------------------------------------------ */ |
| 978 /* ------------------------------------------------------------ */ | |
| 979 /* ------------------------------------------------------------ */ | |
| 980 private class RequestHandler extends HttpParser.EventHandler | |
| 981 { | |
| 982 /* | |
| 983 * | |
| 984 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startRequest(org.eclipse.io.Buffer, | |
| 985 * org.eclipse.io.Buffer, org.eclipse.io.Buffer) | |
| 986 */ | |
| 987 @Override | |
| 988 public void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 989 { | |
| 990 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 991 } | |
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|
992 |
| 826 | 993 /* |
| 994 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#parsedHeaderValue(org.eclipse.io.Buffer) | |
| 995 */ | |
| 996 @Override | |
| 997 public void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 998 { | |
| 999 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 1000 } | |
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|
1001 |
| 826 | 1002 /* |
| 1003 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#headerComplete() | |
| 1004 */ | |
| 1005 @Override | |
| 1006 public void headerComplete() throws IOException | |
| 1007 { | |
| 1008 AbstractHttpConnection.this.headerComplete(); | |
| 1009 } | |
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|
1010 |
| 826 | 1011 /* ------------------------------------------------------------ */ |
| 1012 /* | |
| 1013 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#content(int, org.eclipse.io.Buffer) | |
| 1014 */ | |
| 1015 @Override | |
| 1016 public void content(Buffer ref) throws IOException | |
| 1017 { | |
| 1018 AbstractHttpConnection.this.content(ref); | |
| 1019 } | |
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|
1020 |
| 826 | 1021 /* ------------------------------------------------------------ */ |
| 1022 /* | |
| 1023 * (non-Javadoc) | |
| 1024 * | |
| 1025 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#messageComplete(int) | |
| 1026 */ | |
| 1027 @Override | |
| 1028 public void messageComplete(long contentLength) throws IOException | |
| 1029 { | |
| 1030 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 1031 } | |
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|
1032 |
| 826 | 1033 /* ------------------------------------------------------------ */ |
| 1034 /* | |
| 1035 * (non-Javadoc) | |
| 1036 * | |
| 1037 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startResponse(org.eclipse.io.Buffer, int, | |
| 1038 * org.eclipse.io.Buffer) | |
| 1039 */ | |
| 1040 @Override | |
| 1041 public void startResponse(Buffer version, int status, Buffer reason) | |
| 1042 { | |
| 1043 if (LOG.isDebugEnabled()) | |
| 1044 LOG.debug("Bad request!: "+version+" "+status+" "+reason); | |
| 1045 } | |
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|
1046 |
| 826 | 1047 /* ------------------------------------------------------------ */ |
| 1048 /* | |
| 1049 * (non-Javadoc) | |
| 1050 * | |
| 1051 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#earlyEOF() | |
| 1052 */ | |
| 1053 @Override | |
| 1054 public void earlyEOF() | |
| 1055 { | |
| 1056 AbstractHttpConnection.this.earlyEOF(); | |
| 1057 } | |
| 1058 } | |
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|
1059 |
| 826 | 1060 /* ------------------------------------------------------------ */ |
| 1061 /* ------------------------------------------------------------ */ | |
| 1062 /* ------------------------------------------------------------ */ | |
| 1063 public class Output extends HttpOutput | |
| 1064 { | |
| 1065 Output() | |
| 1066 { | |
| 1067 super(AbstractHttpConnection.this); | |
| 1068 } | |
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|
1069 |
| 826 | 1070 /* ------------------------------------------------------------ */ |
| 1071 /* | |
| 1072 * @see java.io.OutputStream#close() | |
| 1073 */ | |
| 1074 @Override | |
| 1075 public void close() throws IOException | |
| 1076 { | |
| 1077 if (isClosed()) | |
| 1078 return; | |
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|
1079 |
| 826 | 1080 if (!isIncluding() && !super._generator.isCommitted()) |
| 1081 commitResponse(Generator.LAST); | |
| 1082 else | |
| 1083 flushResponse(); | |
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|
1084 |
| 826 | 1085 super.close(); |
| 1086 } | |
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|
1087 |
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|
1088 |
| 826 | 1089 /* ------------------------------------------------------------ */ |
| 1090 /* | |
| 1091 * @see java.io.OutputStream#flush() | |
| 1092 */ | |
| 1093 @Override | |
| 1094 public void flush() throws IOException | |
| 1095 { | |
| 1096 if (!super._generator.isCommitted()) | |
| 1097 commitResponse(Generator.MORE); | |
| 1098 super.flush(); | |
| 1099 } | |
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1100 |
| 826 | 1101 /* ------------------------------------------------------------ */ |
| 1102 /* | |
| 1103 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 1104 */ | |
| 1105 @Override | |
| 1106 public void print(String s) throws IOException | |
| 1107 { | |
| 1108 if (isClosed()) | |
| 1109 throw new IOException("Closed"); | |
| 1110 PrintWriter writer=getPrintWriter(null); | |
| 1111 writer.print(s); | |
| 1112 } | |
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1113 |
| 826 | 1114 /* ------------------------------------------------------------ */ |
| 1115 public void sendResponse(Buffer response) throws IOException | |
| 1116 { | |
| 1117 ((HttpGenerator)super._generator).sendResponse(response); | |
| 1118 } | |
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parents:
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1119 |
| 826 | 1120 /* ------------------------------------------------------------ */ |
| 1121 public void sendContent(Object content) throws IOException | |
| 1122 { | |
| 1123 Resource resource=null; | |
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1124 |
| 826 | 1125 if (isClosed()) |
| 1126 throw new IOException("Closed"); | |
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1127 |
| 826 | 1128 if (super._generator.isWritten()) |
| 1129 throw new IllegalStateException("!empty"); | |
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parents:
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1130 |
| 826 | 1131 if (content instanceof Resource) |
| 1132 { | |
| 1133 resource=(Resource)content; | |
| 1134 _responseFields.putDateField(HttpHeaders.LAST_MODIFIED_BUFFER, resource.lastModified()); | |
| 1135 content=resource.getInputStream(); | |
| 1136 } | |
| 1137 | |
| 1138 // Process content. | |
| 1139 if (content instanceof Buffer) | |
| 1140 { | |
| 1141 super._generator.addContent((Buffer) content, Generator.LAST); | |
| 1142 commitResponse(Generator.LAST); | |
| 1143 } | |
| 1144 else if (content instanceof InputStream) | |
| 1145 { | |
| 1146 InputStream in = (InputStream)content; | |
| 1147 | |
| 1148 try | |
| 1149 { | |
| 1150 int max = super._generator.prepareUncheckedAddContent(); | |
| 1151 Buffer buffer = super._generator.getUncheckedBuffer(); | |
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1152 |
| 826 | 1153 int len=buffer.readFrom(in,max); |
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1154 |
| 826 | 1155 while (len>=0) |
| 1156 { | |
| 1157 super._generator.completeUncheckedAddContent(); | |
| 1158 _out.flush(); | |
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1159 |
| 826 | 1160 max = super._generator.prepareUncheckedAddContent(); |
| 1161 buffer = super._generator.getUncheckedBuffer(); | |
| 1162 len=buffer.readFrom(in,max); | |
| 1163 } | |
| 1164 super._generator.completeUncheckedAddContent(); | |
| 1165 _out.flush(); | |
| 1166 } | |
| 1167 finally | |
| 1168 { | |
| 1169 if (resource!=null) | |
| 1170 resource.release(); | |
| 1171 else | |
| 1172 in.close(); | |
| 1173 } | |
| 1174 } | |
| 1175 else | |
| 1176 throw new IllegalArgumentException("unknown content type?"); | |
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parents:
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1177 |
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1178 |
| 826 | 1179 } |
| 1180 } | |
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parents:
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1181 |
| 826 | 1182 /* ------------------------------------------------------------ */ |
| 1183 /* ------------------------------------------------------------ */ | |
| 1184 /* ------------------------------------------------------------ */ | |
| 1185 public class OutputWriter extends HttpWriter | |
| 1186 { | |
| 1187 OutputWriter() | |
| 1188 { | |
| 1189 super(AbstractHttpConnection.this._out); | |
| 1190 } | |
| 1191 } | |
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parents:
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1192 |
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1193 |
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1194 } |