Mercurial Hosting > luan
annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 963:4b6216fa9cec
replace SelectChannelEndPoint._state with isDispatched
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Fri, 14 Oct 2016 00:15:28 -0600 |
| parents | 3cd4c706a61f |
| children | 866f2e801618 |
| rev | line source |
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1 // |
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2 // ======================================================================== |
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
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4 // ------------------------------------------------------------------------ |
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5 // All rights reserved. This program and the accompanying materials |
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6 // are made available under the terms of the Eclipse Public License v1.0 |
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7 // and Apache License v2.0 which accompanies this distribution. |
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8 // |
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9 // The Eclipse Public License is available at |
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10 // http://www.eclipse.org/legal/epl-v10.html |
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11 // |
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12 // The Apache License v2.0 is available at |
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13 // http://www.opensource.org/licenses/apache2.0.php |
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14 // |
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15 // You may elect to redistribute this code under either of these licenses. |
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16 // ======================================================================== |
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17 // |
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18 |
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19 package org.eclipse.jetty.server; |
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20 |
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21 import java.io.IOException; |
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22 import java.io.InputStream; |
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23 import java.io.PrintWriter; |
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24 |
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25 import javax.servlet.DispatcherType; |
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26 import javax.servlet.RequestDispatcher; |
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27 import javax.servlet.ServletInputStream; |
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28 import javax.servlet.ServletOutputStream; |
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29 import javax.servlet.http.HttpServletRequest; |
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30 import javax.servlet.http.HttpServletResponse; |
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31 |
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32 import org.eclipse.jetty.http.EncodedHttpURI; |
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33 import org.eclipse.jetty.http.Generator; |
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34 import org.eclipse.jetty.http.HttpBuffers; |
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35 import org.eclipse.jetty.http.HttpException; |
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36 import org.eclipse.jetty.http.HttpFields; |
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37 import org.eclipse.jetty.http.HttpGenerator; |
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38 import org.eclipse.jetty.http.HttpHeaderValues; |
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39 import org.eclipse.jetty.http.HttpHeaders; |
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40 import org.eclipse.jetty.http.HttpMethods; |
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41 import org.eclipse.jetty.http.HttpParser; |
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42 import org.eclipse.jetty.http.HttpStatus; |
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43 import org.eclipse.jetty.http.HttpURI; |
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44 import org.eclipse.jetty.http.HttpVersions; |
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45 import org.eclipse.jetty.http.MimeTypes; |
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46 import org.eclipse.jetty.http.Parser; |
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47 import org.eclipse.jetty.io.AbstractConnection; |
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48 import org.eclipse.jetty.io.Buffer; |
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49 import org.eclipse.jetty.io.BufferCache.CachedBuffer; |
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50 import org.eclipse.jetty.io.Buffers; |
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51 import org.eclipse.jetty.io.Connection; |
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52 import org.eclipse.jetty.io.EndPoint; |
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53 import org.eclipse.jetty.io.EofException; |
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54 import org.eclipse.jetty.io.RuntimeIOException; |
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55 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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56 import org.eclipse.jetty.util.StringUtil; |
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57 import org.eclipse.jetty.util.URIUtil; |
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58 import org.slf4j.Logger; |
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59 import org.slf4j.LoggerFactory; |
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60 import org.eclipse.jetty.util.resource.Resource; |
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61 |
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62 /** |
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63 * <p>A HttpConnection represents the connection of a HTTP client to the server |
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64 * and is created by an instance of a {@link Connector}. It's prime function is |
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65 * to associate {@link Request} and {@link Response} instances with a {@link EndPoint}. |
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66 * </p> |
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67 * <p> |
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68 * A connection is also the prime mechanism used by jetty to recycle objects without |
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69 * pooling. The {@link Request}, {@link Response}, {@link HttpParser}, {@link HttpGenerator} |
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70 * and {@link HttpFields} instances are all recycled for the duraction of |
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71 * a connection. Where appropriate, allocated buffers are also kept associated |
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72 * with the connection via the parser and/or generator. |
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73 * </p> |
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74 * <p> |
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75 * The connection state is held by 3 separate state machines: The request state, the |
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76 * response state and the continuation state. All three state machines must be driven |
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77 * to completion for every request, and all three can complete in any order. |
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78 * </p> |
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79 * <p> |
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80 * The HttpConnection support protocol upgrade. If on completion of a request, the |
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81 * response code is 101 (switch protocols), then the org.eclipse.jetty.io.Connection |
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82 * request attribute is checked to see if there is a new Connection instance. If so, |
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83 * the new connection is returned from {@link #handle()} and is used for future |
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84 * handling of the underlying connection. Note that for switching protocols that |
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85 * don't use 101 responses (eg CONNECT), the response should be sent and then the |
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86 * status code changed to 101 before returning from the handler. Implementors |
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87 * of new Connection types should be careful to extract any buffered data from |
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88 * (HttpParser)http.getParser()).getHeaderBuffer() and |
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89 * (HttpParser)http.getParser()).getBodyBuffer() to initialise their new connection. |
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90 * </p> |
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91 * |
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92 */ |
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93 public abstract class AbstractHttpConnection extends AbstractConnection |
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94 { |
| 826 | 95 private static final Logger LOG = LoggerFactory.getLogger(AbstractHttpConnection.class); |
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96 |
| 826 | 97 private static final int UNKNOWN = -2; |
| 98 private static final ThreadLocal<AbstractHttpConnection> __currentConnection = new ThreadLocal<AbstractHttpConnection>(); | |
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99 |
| 826 | 100 private int _requests; |
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101 |
| 826 | 102 protected final Connector _connector; |
| 103 protected final Server _server; | |
| 104 protected final HttpURI _uri; | |
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105 |
| 826 | 106 protected final Parser _parser; |
| 107 protected final HttpFields _requestFields; | |
| 108 protected final Request _request; | |
| 109 protected volatile ServletInputStream _in; | |
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110 |
| 826 | 111 protected final Generator _generator; |
| 112 protected final HttpFields _responseFields; | |
| 113 protected final Response _response; | |
| 114 protected volatile Output _out; | |
| 115 protected volatile OutputWriter _writer; | |
| 116 protected volatile PrintWriter _printWriter; | |
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117 |
| 826 | 118 int _include; |
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119 |
| 826 | 120 private Object _associatedObject; // associated object |
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121 |
| 826 | 122 private int _version = UNKNOWN; |
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123 |
| 826 | 124 private String _charset; |
| 125 private boolean _expect = false; | |
| 126 private boolean _expect100Continue = false; | |
| 127 private boolean _expect102Processing = false; | |
| 128 private boolean _head = false; | |
| 129 private boolean _host = false; | |
| 130 private boolean _delayedHandling=false; | |
| 131 private boolean _earlyEOF = false; | |
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132 |
| 826 | 133 /* ------------------------------------------------------------ */ |
| 134 public static AbstractHttpConnection getCurrentConnection() | |
| 135 { | |
| 136 return __currentConnection.get(); | |
| 137 } | |
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138 |
| 826 | 139 /* ------------------------------------------------------------ */ |
| 140 protected static void setCurrentConnection(AbstractHttpConnection connection) | |
| 141 { | |
| 142 __currentConnection.set(connection); | |
| 143 } | |
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144 |
| 826 | 145 /* ------------------------------------------------------------ */ |
| 146 public AbstractHttpConnection(Connector connector, EndPoint endpoint, Server server) | |
| 147 { | |
| 148 super(endpoint); | |
| 149 _uri = StringUtil.__UTF8.equals(URIUtil.__CHARSET)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); | |
| 150 _connector = connector; | |
| 151 HttpBuffers ab = (HttpBuffers)_connector; | |
| 152 _parser = newHttpParser(ab.getRequestBuffers(), endpoint, new RequestHandler()); | |
| 153 _requestFields = new HttpFields(); | |
| 154 _responseFields = new HttpFields(); | |
| 155 _request = new Request(this); | |
| 156 _response = new Response(this); | |
| 157 _generator = newHttpGenerator(ab.getResponseBuffers(), endpoint); | |
| 158 _server = server; | |
| 159 } | |
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160 |
| 826 | 161 /* ------------------------------------------------------------ */ |
| 162 protected AbstractHttpConnection(Connector connector, EndPoint endpoint, Server server, | |
| 163 Parser parser, Generator generator, Request request) | |
| 164 { | |
| 165 super(endpoint); | |
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166 |
| 826 | 167 _uri = URIUtil.__CHARSET.equals(StringUtil.__UTF8)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); |
| 168 _connector = connector; | |
| 169 _parser = parser; | |
| 170 _requestFields = new HttpFields(); | |
| 171 _responseFields = new HttpFields(); | |
| 172 _request = request; | |
| 173 _response = new Response(this); | |
| 174 _generator = generator; | |
| 175 _server = server; | |
| 176 } | |
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177 |
| 826 | 178 protected HttpParser newHttpParser(Buffers requestBuffers, EndPoint endpoint, HttpParser.EventHandler requestHandler) |
| 179 { | |
| 180 return new HttpParser(requestBuffers, endpoint, requestHandler); | |
| 181 } | |
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182 |
| 826 | 183 protected HttpGenerator newHttpGenerator(Buffers responseBuffers, EndPoint endPoint) |
| 184 { | |
| 185 return new HttpGenerator(responseBuffers, endPoint); | |
| 186 } | |
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187 |
| 826 | 188 /* ------------------------------------------------------------ */ |
| 189 /** | |
| 190 * @return the parser used by this connection | |
| 191 */ | |
| 192 public Parser getParser() | |
| 193 { | |
| 194 return _parser; | |
| 195 } | |
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196 |
| 826 | 197 /* ------------------------------------------------------------ */ |
| 198 /** | |
| 199 * @return the number of requests handled by this connection | |
| 200 */ | |
| 201 public int getRequests() | |
| 202 { | |
| 203 return _requests; | |
| 204 } | |
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205 |
| 826 | 206 /* ------------------------------------------------------------ */ |
| 207 public Server getServer() | |
| 208 { | |
| 209 return _server; | |
| 210 } | |
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211 |
| 826 | 212 /* ------------------------------------------------------------ */ |
| 213 /** | |
| 214 * @return Returns the associatedObject. | |
| 215 */ | |
| 216 public Object getAssociatedObject() | |
| 217 { | |
| 218 return _associatedObject; | |
| 219 } | |
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220 |
| 826 | 221 /* ------------------------------------------------------------ */ |
| 222 /** | |
| 223 * @param associatedObject The associatedObject to set. | |
| 224 */ | |
| 225 public void setAssociatedObject(Object associatedObject) | |
| 226 { | |
| 227 _associatedObject = associatedObject; | |
| 228 } | |
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229 |
| 826 | 230 /* ------------------------------------------------------------ */ |
| 231 /** | |
| 232 * @return Returns the connector. | |
| 233 */ | |
| 234 public Connector getConnector() | |
| 235 { | |
| 236 return _connector; | |
| 237 } | |
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238 |
| 826 | 239 /* ------------------------------------------------------------ */ |
| 240 /** | |
| 241 * @return Returns the requestFields. | |
| 242 */ | |
| 243 public HttpFields getRequestFields() | |
| 244 { | |
| 245 return _requestFields; | |
| 246 } | |
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247 |
| 826 | 248 /* ------------------------------------------------------------ */ |
| 249 /** | |
| 250 * @return Returns the responseFields. | |
| 251 */ | |
| 252 public HttpFields getResponseFields() | |
| 253 { | |
| 254 return _responseFields; | |
| 255 } | |
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256 |
| 826 | 257 /* ------------------------------------------------------------ */ |
| 258 /** | |
| 259 * Find out if the request supports CONFIDENTIAL security. | |
| 260 * @param request the incoming HTTP request | |
| 261 * @return the result of calling {@link Connector#isConfidential(Request)}, or false | |
| 262 * if there is no connector | |
| 263 */ | |
| 264 public boolean isConfidential(Request request) | |
| 265 { | |
| 266 return _connector != null && _connector.isConfidential(request); | |
| 267 } | |
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268 |
| 826 | 269 /* ------------------------------------------------------------ */ |
| 270 /** | |
| 271 * @return Returns the request. | |
| 272 */ | |
| 273 public Request getRequest() | |
| 274 { | |
| 275 return _request; | |
| 276 } | |
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277 |
| 826 | 278 /* ------------------------------------------------------------ */ |
| 279 /** | |
| 280 * @return Returns the response. | |
| 281 */ | |
| 282 public Response getResponse() | |
| 283 { | |
| 284 return _response; | |
| 285 } | |
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286 |
| 826 | 287 /* ------------------------------------------------------------ */ |
| 288 /** | |
| 289 * Get the inputStream from the connection. | |
| 290 * <p> | |
| 291 * If the associated response has the Expect header set to 100 Continue, | |
| 292 * then accessing the input stream indicates that the handler/servlet | |
| 293 * is ready for the request body and thus a 100 Continue response is sent. | |
| 294 * | |
| 295 * @return The input stream for this connection. | |
| 296 * The stream will be created if it does not already exist. | |
| 297 * @throws IOException if the input stream cannot be retrieved | |
| 298 */ | |
| 299 public ServletInputStream getInputStream() throws IOException | |
| 300 { | |
| 301 // If the client is expecting 100 CONTINUE, then send it now. | |
| 302 if (_expect100Continue) | |
| 303 { | |
| 304 // is content missing? | |
| 305 if (((HttpParser)_parser).getHeaderBuffer()==null || ((HttpParser)_parser).getHeaderBuffer().length()<2) | |
| 306 { | |
| 307 if (_generator.isCommitted()) | |
| 308 throw new IllegalStateException("Committed before 100 Continues"); | |
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309 |
| 826 | 310 ((HttpGenerator)_generator).send1xx(HttpStatus.CONTINUE_100); |
| 311 } | |
| 312 _expect100Continue=false; | |
| 313 } | |
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314 |
| 826 | 315 if (_in == null) |
| 316 _in = new HttpInput(AbstractHttpConnection.this); | |
| 317 return _in; | |
| 318 } | |
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319 |
| 826 | 320 /* ------------------------------------------------------------ */ |
| 321 /** | |
| 322 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
| 323 */ | |
| 324 public ServletOutputStream getOutputStream() | |
| 325 { | |
| 326 if (_out == null) | |
| 327 _out = new Output(); | |
| 328 return _out; | |
| 329 } | |
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330 |
| 826 | 331 /* ------------------------------------------------------------ */ |
| 332 /** | |
| 333 * @param encoding the PrintWriter encoding | |
| 334 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
| 335 * does not already exist. | |
| 336 */ | |
| 337 public PrintWriter getPrintWriter(String encoding) | |
| 338 { | |
| 339 getOutputStream(); | |
| 340 if (_writer==null) | |
| 341 { | |
| 342 _writer=new OutputWriter(); | |
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343 _printWriter = new PrintWriter(_writer) |
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344 { |
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345 public void close() |
| 826 | 346 { |
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347 synchronized (lock) |
| 826 | 348 { |
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349 try |
| 826 | 350 { |
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351 out.close(); |
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352 } |
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353 catch (IOException e) |
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354 { |
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355 setError(); |
| 826 | 356 } |
| 357 } | |
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358 } |
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359 }; |
| 826 | 360 } |
| 361 _writer.setCharacterEncoding(encoding); | |
| 362 return _printWriter; | |
| 363 } | |
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364 |
| 826 | 365 /* ------------------------------------------------------------ */ |
| 366 public boolean isResponseCommitted() | |
| 367 { | |
| 368 return _generator.isCommitted(); | |
| 369 } | |
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370 |
| 826 | 371 /* ------------------------------------------------------------ */ |
| 372 public boolean isEarlyEOF() | |
| 373 { | |
| 374 return _earlyEOF; | |
| 375 } | |
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376 |
| 826 | 377 /* ------------------------------------------------------------ */ |
| 378 public void reset() | |
| 379 { | |
| 380 _parser.reset(); | |
| 381 _parser.returnBuffers(); // TODO maybe only on unhandle | |
| 382 _requestFields.clear(); | |
| 383 _request.recycle(); | |
| 384 _generator.reset(); | |
| 385 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 386 _responseFields.clear(); | |
| 387 _response.recycle(); | |
| 388 _uri.clear(); | |
| 389 _writer=null; | |
| 390 _earlyEOF = false; | |
| 391 } | |
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392 |
| 826 | 393 protected void handleRequest() throws IOException |
| 394 { | |
| 395 boolean error = false; | |
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396 |
| 826 | 397 try |
| 398 { | |
| 399 // Loop here to handle async request redispatches. | |
| 400 // The loop is controlled by the call to async.unhandle in the | |
| 401 // finally block below. If call is from a non-blocking connector, | |
| 402 // then the unhandle will return false only if an async dispatch has | |
| 403 // already happened when unhandle is called. For a blocking connector, | |
| 404 // the wait for the asynchronous dispatch or timeout actually happens | |
| 405 // within the call to unhandle(). | |
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406 |
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407 _request.setHandled(false); |
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408 |
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409 String info=null; |
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410 try |
| 826 | 411 { |
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412 _uri.getPort(); |
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413 String path = null; |
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414 |
| 826 | 415 try |
| 416 { | |
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417 path = _uri.getDecodedPath(); |
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418 } |
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419 catch (Exception e) |
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420 { |
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421 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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422 LOG.trace("",e); |
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423 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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424 } |
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425 |
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426 info = URIUtil.canonicalPath(path); |
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427 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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428 { |
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429 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 430 { |
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431 info="/"; |
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432 _request.setRequestURI(""); |
| 826 | 433 } |
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434 else |
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435 throw new HttpException(400); |
| 826 | 436 } |
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437 _request.setPathInfo(info); |
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438 |
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439 if (_out!=null) |
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440 _out.reopen(); |
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441 |
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442 _request.setDispatcherType(DispatcherType.REQUEST); |
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443 _connector.customize(_endp, _request); |
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444 _server.handle(this); |
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445 } |
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446 catch (EofException e) |
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447 { |
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448 LOG.debug("",e); |
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449 error=true; |
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450 _request.setHandled(true); |
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451 if (!_response.isCommitted()) |
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452 _generator.sendError(500, null, null, true); |
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453 } |
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454 catch (RuntimeIOException e) |
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455 { |
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456 LOG.debug("",e); |
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457 error=true; |
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458 _request.setHandled(true); |
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459 } |
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460 catch (HttpException e) |
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461 { |
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462 LOG.debug("",e); |
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463 error=true; |
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464 _request.setHandled(true); |
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465 _response.sendError(e.getStatus(), e.getReason()); |
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466 } |
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467 catch (Throwable e) |
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468 { |
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469 LOG.warn(String.valueOf(_uri),e); |
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470 error=true; |
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471 _request.setHandled(true); |
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472 _generator.sendError(info==null?400:500, null, null, true); |
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473 |
| 826 | 474 } |
| 475 } | |
| 476 finally | |
| 477 { | |
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478 if (_expect100Continue) |
| 826 | 479 { |
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480 LOG.debug("100 continues not sent"); |
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481 // We didn't send 100 continues, but the latest interpretation |
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482 // of the spec (see httpbis) is that the client will either |
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483 // send the body anyway, or close. So we no longer need to |
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484 // do anything special here other than make the connection not persistent |
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485 _expect100Continue = false; |
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486 if (!_response.isCommitted()) |
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487 _generator.setPersistent(false); |
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488 } |
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489 |
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490 if(_endp.isOpen()) |
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491 { |
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492 if (error) |
| 826 | 493 { |
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494 _endp.shutdownOutput(); |
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495 _generator.setPersistent(false); |
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496 if (!_generator.isComplete()) |
| 826 | 497 _response.complete(); |
| 498 } | |
| 499 else | |
| 500 { | |
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501 if (!_response.isCommitted() && !_request.isHandled()) |
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502 _response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 826 | 503 _response.complete(); |
| 504 } | |
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505 } |
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506 else |
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507 { |
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508 _response.complete(); |
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509 } |
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510 |
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511 _request.setHandled(true); |
| 826 | 512 } |
| 513 } | |
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514 |
| 826 | 515 public abstract Connection handle() throws IOException; |
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516 |
| 826 | 517 /* ------------------------------------------------------------ */ |
| 518 public void commitResponse(boolean last) throws IOException | |
| 519 { | |
| 520 if (!_generator.isCommitted()) | |
| 521 { | |
| 522 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 523 try | |
| 524 { | |
| 525 // If the client was expecting 100 continues, but we sent something | |
| 526 // else, then we need to close the connection | |
| 527 if (_expect100Continue && _response.getStatus()!=100) | |
| 528 _generator.setPersistent(false); | |
| 529 _generator.completeHeader(_responseFields, last); | |
| 530 } | |
| 531 catch(RuntimeException e) | |
| 532 { | |
| 533 LOG.warn("header full: " + e); | |
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534 |
| 826 | 535 _response.reset(); |
| 536 _generator.reset(); | |
| 537 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 538 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 539 _generator.complete(); | |
| 540 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 541 } | |
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542 |
| 826 | 543 } |
| 544 if (last) | |
| 545 _generator.complete(); | |
| 546 } | |
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547 |
| 826 | 548 /* ------------------------------------------------------------ */ |
| 549 public void completeResponse() throws IOException | |
| 550 { | |
| 551 if (!_generator.isCommitted()) | |
| 552 { | |
| 553 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 554 try | |
| 555 { | |
| 556 _generator.completeHeader(_responseFields, Generator.LAST); | |
| 557 } | |
| 558 catch(RuntimeException e) | |
| 559 { | |
| 560 LOG.warn("header full: "+e); | |
| 561 LOG.debug("",e); | |
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562 |
| 826 | 563 _response.reset(); |
| 564 _generator.reset(); | |
| 565 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 566 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 567 _generator.complete(); | |
| 568 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 569 } | |
| 570 } | |
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571 |
| 826 | 572 _generator.complete(); |
| 573 } | |
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574 |
| 826 | 575 /* ------------------------------------------------------------ */ |
| 576 public void flushResponse() throws IOException | |
| 577 { | |
| 578 try | |
| 579 { | |
| 580 commitResponse(Generator.MORE); | |
| 581 _generator.flushBuffer(); | |
| 582 } | |
| 583 catch(IOException e) | |
| 584 { | |
| 585 throw (e instanceof EofException) ? e:new EofException(e); | |
| 586 } | |
| 587 } | |
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588 |
| 826 | 589 /* ------------------------------------------------------------ */ |
| 590 public Generator getGenerator() | |
| 591 { | |
| 592 return _generator; | |
| 593 } | |
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594 |
| 826 | 595 /* ------------------------------------------------------------ */ |
| 596 public boolean isIncluding() | |
| 597 { | |
| 598 return _include>0; | |
| 599 } | |
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600 |
| 826 | 601 /* ------------------------------------------------------------ */ |
| 602 public void include() | |
| 603 { | |
| 604 _include++; | |
| 605 } | |
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606 |
| 826 | 607 /* ------------------------------------------------------------ */ |
| 608 public void included() | |
| 609 { | |
| 610 _include--; | |
| 611 if (_out!=null) | |
| 612 _out.reopen(); | |
| 613 } | |
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614 |
| 826 | 615 public boolean isIdle() |
| 616 { | |
| 617 return _generator.isIdle() && (_parser.isIdle() || _delayedHandling); | |
| 618 } | |
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619 |
| 826 | 620 /* ------------------------------------------------------------ */ |
| 621 /** | |
| 622 * @see org.eclipse.jetty.io.Connection#isSuspended() | |
| 623 */ | |
| 624 public boolean isSuspended() | |
| 625 { | |
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626 return false; |
| 826 | 627 } |
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628 |
| 826 | 629 public boolean isExpecting100Continues() |
| 630 { | |
| 631 return _expect100Continue; | |
| 632 } | |
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633 |
| 826 | 634 public boolean isExpecting102Processing() |
| 635 { | |
| 636 return _expect102Processing; | |
| 637 } | |
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638 |
| 826 | 639 public int getMaxIdleTime() |
| 640 { | |
| 641 if (_connector.isLowResources() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) | |
| 913 | 642 return 0; |
| 826 | 643 if (_endp.getMaxIdleTime()>0) |
| 644 return _endp.getMaxIdleTime(); | |
| 645 return _connector.getMaxIdleTime(); | |
| 646 } | |
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|
647 |
| 826 | 648 public String toString() |
| 649 { | |
| 650 return String.format("%s,g=%s,p=%s,r=%d", | |
| 651 super.toString(), | |
| 652 _generator, | |
| 653 _parser, | |
| 654 _requests); | |
| 655 } | |
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|
656 |
| 826 | 657 /* ------------------------------------------------------------ */ |
| 658 protected void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 659 { | |
| 660 uri=uri.asImmutableBuffer(); | |
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|
661 |
| 826 | 662 _host = false; |
| 663 _expect = false; | |
| 664 _expect100Continue=false; | |
| 665 _expect102Processing=false; | |
| 666 _delayedHandling=false; | |
| 667 _charset=null; | |
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|
668 |
| 826 | 669 if(_request.getTimeStamp()==0) |
| 670 _request.setTimeStamp(System.currentTimeMillis()); | |
| 671 _request.setMethod(method.toString()); | |
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|
672 |
| 826 | 673 try |
| 674 { | |
| 675 _head=false; | |
| 676 switch (HttpMethods.CACHE.getOrdinal(method)) | |
| 677 { | |
| 678 case HttpMethods.CONNECT_ORDINAL: | |
| 679 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
| 680 break; | |
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|
681 |
| 826 | 682 case HttpMethods.HEAD_ORDINAL: |
| 683 _head=true; | |
| 684 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 685 break; | |
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|
686 |
| 826 | 687 default: |
| 688 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 689 } | |
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|
690 |
| 826 | 691 _request.setUri(_uri); |
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|
692 |
| 826 | 693 if (version==null) |
| 694 { | |
| 695 _request.setProtocol(HttpVersions.HTTP_0_9); | |
| 696 _version=HttpVersions.HTTP_0_9_ORDINAL; | |
| 697 } | |
| 698 else | |
| 699 { | |
| 700 version= HttpVersions.CACHE.get(version); | |
| 701 if (version==null) | |
| 702 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); | |
| 703 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 704 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 705 _request.setProtocol(version.toString()); | |
| 706 } | |
| 707 } | |
| 708 catch (Exception e) | |
| 709 { | |
| 710 LOG.debug("",e); | |
| 711 if (e instanceof HttpException) | |
| 712 throw (HttpException)e; | |
| 713 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 714 } | |
| 715 } | |
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|
716 |
| 826 | 717 /* ------------------------------------------------------------ */ |
| 718 protected void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 719 { | |
| 720 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 721 switch (ho) | |
| 722 { | |
| 723 case HttpHeaders.HOST_ORDINAL: | |
| 724 // TODO check if host matched a host in the URI. | |
| 725 _host = true; | |
| 726 break; | |
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|
727 |
| 826 | 728 case HttpHeaders.EXPECT_ORDINAL: |
| 729 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 730 { | |
| 731 value = HttpHeaderValues.CACHE.lookup(value); | |
| 732 switch(HttpHeaderValues.CACHE.getOrdinal(value)) | |
| 733 { | |
| 734 case HttpHeaderValues.CONTINUE_ORDINAL: | |
| 735 _expect100Continue=_generator instanceof HttpGenerator; | |
| 736 break; | |
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|
737 |
| 826 | 738 case HttpHeaderValues.PROCESSING_ORDINAL: |
| 739 _expect102Processing=_generator instanceof HttpGenerator; | |
| 740 break; | |
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|
741 |
| 826 | 742 default: |
| 743 String[] values = value.toString().split(","); | |
| 744 for (int i=0;values!=null && i<values.length;i++) | |
| 745 { | |
| 746 CachedBuffer cb=HttpHeaderValues.CACHE.get(values[i].trim()); | |
| 747 if (cb==null) | |
| 748 _expect=true; | |
| 749 else | |
| 750 { | |
| 751 switch(cb.getOrdinal()) | |
| 752 { | |
| 753 case HttpHeaderValues.CONTINUE_ORDINAL: | |
| 754 _expect100Continue=_generator instanceof HttpGenerator; | |
| 755 break; | |
| 756 case HttpHeaderValues.PROCESSING_ORDINAL: | |
| 757 _expect102Processing=_generator instanceof HttpGenerator; | |
| 758 break; | |
| 759 default: | |
| 760 _expect=true; | |
| 761 } | |
| 762 } | |
| 763 } | |
| 764 } | |
| 765 } | |
| 766 break; | |
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|
767 |
| 826 | 768 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 769 case HttpHeaders.USER_AGENT_ORDINAL: | |
| 770 value = HttpHeaderValues.CACHE.lookup(value); | |
| 771 break; | |
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|
772 |
| 826 | 773 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
| 774 value = MimeTypes.CACHE.lookup(value); | |
| 775 _charset=MimeTypes.getCharsetFromContentType(value); | |
| 776 break; | |
| 777 } | |
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|
778 |
| 826 | 779 _requestFields.add(name, value); |
| 780 } | |
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|
781 |
| 826 | 782 /* ------------------------------------------------------------ */ |
| 783 protected void headerComplete() throws IOException | |
| 784 { | |
| 785 // Handle idle race | |
| 786 if (_endp.isOutputShutdown()) | |
| 787 { | |
| 788 _endp.close(); | |
| 789 return; | |
| 790 } | |
| 791 | |
| 792 _requests++; | |
| 793 _generator.setVersion(_version); | |
| 794 switch (_version) | |
| 795 { | |
| 796 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 797 break; | |
| 798 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 799 _generator.setHead(_head); | |
| 800 if (_parser.isPersistent()) | |
| 801 { | |
| 802 _responseFields.add(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.KEEP_ALIVE_BUFFER); | |
| 803 _generator.setPersistent(true); | |
| 804 } | |
| 805 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 806 { | |
| 807 _generator.setPersistent(true); | |
| 808 _parser.setPersistent(true); | |
| 809 } | |
| 810 break; | |
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|
811 |
| 826 | 812 case HttpVersions.HTTP_1_1_ORDINAL: |
| 813 _generator.setHead(_head); | |
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|
814 |
| 826 | 815 if (!_parser.isPersistent()) |
| 816 { | |
| 817 _responseFields.add(HttpHeaders.CONNECTION_BUFFER,HttpHeaderValues.CLOSE_BUFFER); | |
| 818 _generator.setPersistent(false); | |
| 819 } | |
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|
820 |
| 826 | 821 if (!_host) |
| 822 { | |
| 823 LOG.debug("!host {}",this); | |
| 824 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
| 825 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 826 _generator.completeHeader(_responseFields, true); | |
| 827 _generator.complete(); | |
| 828 return; | |
| 829 } | |
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|
830 |
| 826 | 831 if (_expect) |
| 832 { | |
| 833 LOG.debug("!expectation {}",this); | |
| 834 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
| 835 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 836 _generator.completeHeader(_responseFields, true); | |
| 837 _generator.complete(); | |
| 838 return; | |
| 839 } | |
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|
840 |
| 826 | 841 break; |
| 842 default: | |
| 843 } | |
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|
844 |
| 826 | 845 if(_charset!=null) |
| 846 _request.setCharacterEncodingUnchecked(_charset); | |
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|
847 |
| 826 | 848 // Either handle now or wait for first content |
| 849 if ((((HttpParser)_parser).getContentLength()<=0 && !((HttpParser)_parser).isChunking())||_expect100Continue) | |
| 850 handleRequest(); | |
| 851 else | |
| 852 _delayedHandling=true; | |
| 853 } | |
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|
854 |
| 826 | 855 /* ------------------------------------------------------------ */ |
| 856 protected void content(Buffer buffer) throws IOException | |
| 857 { | |
| 858 if (_delayedHandling) | |
| 859 { | |
| 860 _delayedHandling=false; | |
| 861 handleRequest(); | |
| 862 } | |
| 863 } | |
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|
864 |
| 826 | 865 /* ------------------------------------------------------------ */ |
| 866 public void messageComplete(long contentLength) throws IOException | |
| 867 { | |
| 868 if (_delayedHandling) | |
| 869 { | |
| 870 _delayedHandling=false; | |
| 871 handleRequest(); | |
| 872 } | |
| 873 } | |
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874 |
| 826 | 875 /* ------------------------------------------------------------ */ |
| 876 public void earlyEOF() | |
| 877 { | |
| 878 _earlyEOF = true; | |
| 879 } | |
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880 |
| 826 | 881 /* ------------------------------------------------------------ */ |
| 882 /* ------------------------------------------------------------ */ | |
| 883 /* ------------------------------------------------------------ */ | |
| 884 private class RequestHandler extends HttpParser.EventHandler | |
| 885 { | |
| 886 /* | |
| 887 * | |
| 888 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startRequest(org.eclipse.io.Buffer, | |
| 889 * org.eclipse.io.Buffer, org.eclipse.io.Buffer) | |
| 890 */ | |
| 891 @Override | |
| 892 public void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 893 { | |
| 894 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 895 } | |
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896 |
| 826 | 897 /* |
| 898 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#parsedHeaderValue(org.eclipse.io.Buffer) | |
| 899 */ | |
| 900 @Override | |
| 901 public void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 902 { | |
| 903 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 904 } | |
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905 |
| 826 | 906 /* |
| 907 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#headerComplete() | |
| 908 */ | |
| 909 @Override | |
| 910 public void headerComplete() throws IOException | |
| 911 { | |
| 912 AbstractHttpConnection.this.headerComplete(); | |
| 913 } | |
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914 |
| 826 | 915 /* ------------------------------------------------------------ */ |
| 916 /* | |
| 917 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#content(int, org.eclipse.io.Buffer) | |
| 918 */ | |
| 919 @Override | |
| 920 public void content(Buffer ref) throws IOException | |
| 921 { | |
| 922 AbstractHttpConnection.this.content(ref); | |
| 923 } | |
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924 |
| 826 | 925 /* ------------------------------------------------------------ */ |
| 926 /* | |
| 927 * (non-Javadoc) | |
| 928 * | |
| 929 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#messageComplete(int) | |
| 930 */ | |
| 931 @Override | |
| 932 public void messageComplete(long contentLength) throws IOException | |
| 933 { | |
| 934 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 935 } | |
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936 |
| 826 | 937 /* ------------------------------------------------------------ */ |
| 938 /* | |
| 939 * (non-Javadoc) | |
| 940 * | |
| 941 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startResponse(org.eclipse.io.Buffer, int, | |
| 942 * org.eclipse.io.Buffer) | |
| 943 */ | |
| 944 @Override | |
| 945 public void startResponse(Buffer version, int status, Buffer reason) | |
| 946 { | |
| 947 if (LOG.isDebugEnabled()) | |
| 948 LOG.debug("Bad request!: "+version+" "+status+" "+reason); | |
| 949 } | |
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950 |
| 826 | 951 /* ------------------------------------------------------------ */ |
| 952 /* | |
| 953 * (non-Javadoc) | |
| 954 * | |
| 955 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#earlyEOF() | |
| 956 */ | |
| 957 @Override | |
| 958 public void earlyEOF() | |
| 959 { | |
| 960 AbstractHttpConnection.this.earlyEOF(); | |
| 961 } | |
| 962 } | |
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963 |
| 826 | 964 /* ------------------------------------------------------------ */ |
| 965 /* ------------------------------------------------------------ */ | |
| 966 /* ------------------------------------------------------------ */ | |
| 967 public class Output extends HttpOutput | |
| 968 { | |
| 969 Output() | |
| 970 { | |
| 971 super(AbstractHttpConnection.this); | |
| 972 } | |
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973 |
| 826 | 974 /* ------------------------------------------------------------ */ |
| 975 /* | |
| 976 * @see java.io.OutputStream#close() | |
| 977 */ | |
| 978 @Override | |
| 979 public void close() throws IOException | |
| 980 { | |
| 981 if (isClosed()) | |
| 982 return; | |
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983 |
| 826 | 984 if (!isIncluding() && !super._generator.isCommitted()) |
| 985 commitResponse(Generator.LAST); | |
| 986 else | |
| 987 flushResponse(); | |
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988 |
| 826 | 989 super.close(); |
| 990 } | |
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991 |
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992 |
| 826 | 993 /* ------------------------------------------------------------ */ |
| 994 /* | |
| 995 * @see java.io.OutputStream#flush() | |
| 996 */ | |
| 997 @Override | |
| 998 public void flush() throws IOException | |
| 999 { | |
| 1000 if (!super._generator.isCommitted()) | |
| 1001 commitResponse(Generator.MORE); | |
| 1002 super.flush(); | |
| 1003 } | |
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1004 |
| 826 | 1005 /* ------------------------------------------------------------ */ |
| 1006 /* | |
| 1007 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 1008 */ | |
| 1009 @Override | |
| 1010 public void print(String s) throws IOException | |
| 1011 { | |
| 1012 if (isClosed()) | |
| 1013 throw new IOException("Closed"); | |
| 1014 PrintWriter writer=getPrintWriter(null); | |
| 1015 writer.print(s); | |
| 1016 } | |
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1017 |
| 826 | 1018 /* ------------------------------------------------------------ */ |
| 1019 public void sendResponse(Buffer response) throws IOException | |
| 1020 { | |
| 1021 ((HttpGenerator)super._generator).sendResponse(response); | |
| 1022 } | |
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1023 |
| 826 | 1024 /* ------------------------------------------------------------ */ |
| 1025 public void sendContent(Object content) throws IOException | |
| 1026 { | |
| 1027 Resource resource=null; | |
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1028 |
| 826 | 1029 if (isClosed()) |
| 1030 throw new IOException("Closed"); | |
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1031 |
| 826 | 1032 if (super._generator.isWritten()) |
| 1033 throw new IllegalStateException("!empty"); | |
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1034 |
| 826 | 1035 if (content instanceof Resource) |
| 1036 { | |
| 1037 resource=(Resource)content; | |
| 1038 _responseFields.putDateField(HttpHeaders.LAST_MODIFIED_BUFFER, resource.lastModified()); | |
| 1039 content=resource.getInputStream(); | |
| 1040 } | |
| 1041 | |
| 1042 // Process content. | |
| 1043 if (content instanceof Buffer) | |
| 1044 { | |
| 1045 super._generator.addContent((Buffer) content, Generator.LAST); | |
| 1046 commitResponse(Generator.LAST); | |
| 1047 } | |
| 1048 else if (content instanceof InputStream) | |
| 1049 { | |
| 1050 InputStream in = (InputStream)content; | |
| 1051 | |
| 1052 try | |
| 1053 { | |
| 1054 int max = super._generator.prepareUncheckedAddContent(); | |
| 1055 Buffer buffer = super._generator.getUncheckedBuffer(); | |
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1056 |
| 826 | 1057 int len=buffer.readFrom(in,max); |
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1058 |
| 826 | 1059 while (len>=0) |
| 1060 { | |
| 1061 super._generator.completeUncheckedAddContent(); | |
| 1062 _out.flush(); | |
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1063 |
| 826 | 1064 max = super._generator.prepareUncheckedAddContent(); |
| 1065 buffer = super._generator.getUncheckedBuffer(); | |
| 1066 len=buffer.readFrom(in,max); | |
| 1067 } | |
| 1068 super._generator.completeUncheckedAddContent(); | |
| 1069 _out.flush(); | |
| 1070 } | |
| 1071 finally | |
| 1072 { | |
| 1073 if (resource!=null) | |
| 1074 resource.release(); | |
| 1075 else | |
| 1076 in.close(); | |
| 1077 } | |
| 1078 } | |
| 1079 else | |
| 1080 throw new IllegalArgumentException("unknown content type?"); | |
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1081 |
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1082 |
| 826 | 1083 } |
| 1084 } | |
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1085 |
| 826 | 1086 /* ------------------------------------------------------------ */ |
| 1087 /* ------------------------------------------------------------ */ | |
| 1088 /* ------------------------------------------------------------ */ | |
| 1089 public class OutputWriter extends HttpWriter | |
| 1090 { | |
| 1091 OutputWriter() | |
| 1092 { | |
| 1093 super(AbstractHttpConnection.this._out); | |
| 1094 } | |
| 1095 } | |
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1096 |
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1097 |
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1098 } |