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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 895:49ff91097d6c
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author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Thu, 06 Oct 2016 23:43:36 -0600 |
parents | b48361bd68e3 |
children | 39c12b2306a2 |
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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 * @return <code>false</code> (this method is not yet implemented) | |
275 */ | |
276 public boolean getResolveNames() | |
277 { | |
278 return _connector.getResolveNames(); | |
279 } | |
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280 |
826 | 281 /* ------------------------------------------------------------ */ |
282 /** | |
283 * @return Returns the request. | |
284 */ | |
285 public Request getRequest() | |
286 { | |
287 return _request; | |
288 } | |
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289 |
826 | 290 /* ------------------------------------------------------------ */ |
291 /** | |
292 * @return Returns the response. | |
293 */ | |
294 public Response getResponse() | |
295 { | |
296 return _response; | |
297 } | |
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298 |
826 | 299 /* ------------------------------------------------------------ */ |
300 /** | |
301 * Get the inputStream from the connection. | |
302 * <p> | |
303 * If the associated response has the Expect header set to 100 Continue, | |
304 * then accessing the input stream indicates that the handler/servlet | |
305 * is ready for the request body and thus a 100 Continue response is sent. | |
306 * | |
307 * @return The input stream for this connection. | |
308 * The stream will be created if it does not already exist. | |
309 * @throws IOException if the input stream cannot be retrieved | |
310 */ | |
311 public ServletInputStream getInputStream() throws IOException | |
312 { | |
313 // If the client is expecting 100 CONTINUE, then send it now. | |
314 if (_expect100Continue) | |
315 { | |
316 // is content missing? | |
317 if (((HttpParser)_parser).getHeaderBuffer()==null || ((HttpParser)_parser).getHeaderBuffer().length()<2) | |
318 { | |
319 if (_generator.isCommitted()) | |
320 throw new IllegalStateException("Committed before 100 Continues"); | |
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321 |
826 | 322 ((HttpGenerator)_generator).send1xx(HttpStatus.CONTINUE_100); |
323 } | |
324 _expect100Continue=false; | |
325 } | |
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326 |
826 | 327 if (_in == null) |
328 _in = new HttpInput(AbstractHttpConnection.this); | |
329 return _in; | |
330 } | |
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331 |
826 | 332 /* ------------------------------------------------------------ */ |
333 /** | |
334 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
335 */ | |
336 public ServletOutputStream getOutputStream() | |
337 { | |
338 if (_out == null) | |
339 _out = new Output(); | |
340 return _out; | |
341 } | |
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342 |
826 | 343 /* ------------------------------------------------------------ */ |
344 /** | |
345 * @param encoding the PrintWriter encoding | |
346 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
347 * does not already exist. | |
348 */ | |
349 public PrintWriter getPrintWriter(String encoding) | |
350 { | |
351 getOutputStream(); | |
352 if (_writer==null) | |
353 { | |
354 _writer=new OutputWriter(); | |
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355 _printWriter = new PrintWriter(_writer) |
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356 { |
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357 public void close() |
826 | 358 { |
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359 synchronized (lock) |
826 | 360 { |
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361 try |
826 | 362 { |
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363 out.close(); |
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364 } |
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365 catch (IOException e) |
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366 { |
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367 setError(); |
826 | 368 } |
369 } | |
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370 } |
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371 }; |
826 | 372 } |
373 _writer.setCharacterEncoding(encoding); | |
374 return _printWriter; | |
375 } | |
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376 |
826 | 377 /* ------------------------------------------------------------ */ |
378 public boolean isResponseCommitted() | |
379 { | |
380 return _generator.isCommitted(); | |
381 } | |
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382 |
826 | 383 /* ------------------------------------------------------------ */ |
384 public boolean isEarlyEOF() | |
385 { | |
386 return _earlyEOF; | |
387 } | |
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388 |
826 | 389 /* ------------------------------------------------------------ */ |
390 public void reset() | |
391 { | |
392 _parser.reset(); | |
393 _parser.returnBuffers(); // TODO maybe only on unhandle | |
394 _requestFields.clear(); | |
395 _request.recycle(); | |
396 _generator.reset(); | |
397 _generator.returnBuffers();// TODO maybe only on unhandle | |
398 _responseFields.clear(); | |
399 _response.recycle(); | |
400 _uri.clear(); | |
401 _writer=null; | |
402 _earlyEOF = false; | |
403 } | |
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404 |
826 | 405 /* ------------------------------------------------------------ */ |
406 protected void handleRequest() throws IOException | |
407 { | |
408 boolean error = false; | |
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409 |
826 | 410 String threadName=null; |
411 Throwable async_exception=null; | |
412 try | |
413 { | |
414 if (LOG.isDebugEnabled()) | |
415 { | |
416 threadName=Thread.currentThread().getName(); | |
417 Thread.currentThread().setName(threadName+" - "+_uri); | |
418 } | |
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419 |
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420 |
826 | 421 // Loop here to handle async request redispatches. |
422 // The loop is controlled by the call to async.unhandle in the | |
423 // finally block below. If call is from a non-blocking connector, | |
424 // then the unhandle will return false only if an async dispatch has | |
425 // already happened when unhandle is called. For a blocking connector, | |
426 // the wait for the asynchronous dispatch or timeout actually happens | |
427 // within the call to unhandle(). | |
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428 |
826 | 429 final Server server=_server; |
430 boolean was_continuation=_request._async.isContinuation(); | |
431 boolean handling=_request._async.handling() && server!=null && server.isRunning(); | |
432 while (handling) | |
433 { | |
434 _request.setHandled(false); | |
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435 |
826 | 436 String info=null; |
437 try | |
438 { | |
439 _uri.getPort(); | |
440 String path = null; | |
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441 |
826 | 442 try |
443 { | |
444 path = _uri.getDecodedPath(); | |
445 } | |
446 catch (Exception e) | |
447 { | |
448 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); | |
449 LOG.trace("",e); | |
450 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); | |
451 } | |
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452 |
826 | 453 info=URIUtil.canonicalPath(path); |
454 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) | |
455 { | |
456 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) | |
457 { | |
458 info="/"; | |
459 _request.setRequestURI(""); | |
460 } | |
461 else | |
462 throw new HttpException(400); | |
463 } | |
464 _request.setPathInfo(info); | |
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465 |
826 | 466 if (_out!=null) |
467 _out.reopen(); | |
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468 |
826 | 469 if (_request._async.isInitial()) |
470 { | |
471 _request.setDispatcherType(DispatcherType.REQUEST); | |
472 _connector.customize(_endp, _request); | |
473 server.handle(this); | |
474 } | |
475 else | |
476 { | |
477 if (_request._async.isExpired()&&!was_continuation) | |
478 { | |
479 async_exception = (Throwable)_request.getAttribute(RequestDispatcher.ERROR_EXCEPTION); | |
480 _response.setStatus(500,async_exception==null?"Async Timeout":"Async Exception"); | |
481 _request.setAttribute(RequestDispatcher.ERROR_STATUS_CODE,new Integer(500)); | |
482 _request.setAttribute(RequestDispatcher.ERROR_MESSAGE, _response.getReason()); | |
483 _request.setDispatcherType(DispatcherType.ERROR); | |
484 } | |
485 else | |
486 _request.setDispatcherType(DispatcherType.ASYNC); | |
487 server.handleAsync(this); | |
488 } | |
489 } | |
490 catch (ContinuationThrowable e) | |
491 { | |
492 LOG.trace("",e); | |
493 } | |
494 catch (EofException e) | |
495 { | |
496 async_exception=e; | |
497 LOG.debug("",e); | |
498 error=true; | |
499 _request.setHandled(true); | |
500 if (!_response.isCommitted()) | |
501 _generator.sendError(500, null, null, true); | |
502 } | |
503 catch (RuntimeIOException e) | |
504 { | |
505 async_exception=e; | |
506 LOG.debug("",e); | |
507 error=true; | |
508 _request.setHandled(true); | |
509 } | |
510 catch (HttpException e) | |
511 { | |
512 LOG.debug("",e); | |
513 error=true; | |
514 _request.setHandled(true); | |
515 _response.sendError(e.getStatus(), e.getReason()); | |
516 } | |
517 catch (Throwable e) | |
518 { | |
519 async_exception=e; | |
520 LOG.warn(String.valueOf(_uri),e); | |
521 error=true; | |
522 _request.setHandled(true); | |
523 _generator.sendError(info==null?400:500, null, null, true); | |
524 | |
525 } | |
526 finally | |
527 { | |
528 // Complete async requests | |
529 if (error && _request.isAsyncStarted()) | |
530 _request.getAsyncContinuation().errorComplete(); | |
531 | |
532 was_continuation=_request._async.isContinuation(); | |
533 handling = !_request._async.unhandle() && server.isRunning() && _server!=null; | |
534 } | |
535 } | |
536 } | |
537 finally | |
538 { | |
539 if (threadName!=null) | |
540 Thread.currentThread().setName(threadName); | |
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541 |
826 | 542 if (_request._async.isUncompleted()) |
543 { | |
544 | |
545 _request._async.doComplete(async_exception); | |
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546 |
826 | 547 if (_expect100Continue) |
548 { | |
549 LOG.debug("100 continues not sent"); | |
550 // We didn't send 100 continues, but the latest interpretation | |
551 // of the spec (see httpbis) is that the client will either | |
552 // send the body anyway, or close. So we no longer need to | |
553 // do anything special here other than make the connection not persistent | |
554 _expect100Continue = false; | |
555 if (!_response.isCommitted()) | |
556 _generator.setPersistent(false); | |
557 } | |
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558 |
826 | 559 if(_endp.isOpen()) |
560 { | |
561 if (error) | |
562 { | |
563 _endp.shutdownOutput(); | |
564 _generator.setPersistent(false); | |
565 if (!_generator.isComplete()) | |
566 _response.complete(); | |
567 } | |
568 else | |
569 { | |
570 if (!_response.isCommitted() && !_request.isHandled()) | |
571 _response.sendError(HttpServletResponse.SC_NOT_FOUND); | |
572 _response.complete(); | |
573 if (_generator.isPersistent()) | |
574 _connector.persist(_endp); | |
575 } | |
576 } | |
577 else | |
578 { | |
579 _response.complete(); | |
580 } | |
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581 |
826 | 582 _request.setHandled(true); |
583 } | |
584 } | |
585 } | |
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586 |
826 | 587 /* ------------------------------------------------------------ */ |
588 public abstract Connection handle() throws IOException; | |
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589 |
826 | 590 /* ------------------------------------------------------------ */ |
591 public void commitResponse(boolean last) throws IOException | |
592 { | |
593 if (!_generator.isCommitted()) | |
594 { | |
595 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
596 try | |
597 { | |
598 // If the client was expecting 100 continues, but we sent something | |
599 // else, then we need to close the connection | |
600 if (_expect100Continue && _response.getStatus()!=100) | |
601 _generator.setPersistent(false); | |
602 _generator.completeHeader(_responseFields, last); | |
603 } | |
604 catch(RuntimeException e) | |
605 { | |
606 LOG.warn("header full: " + e); | |
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607 |
826 | 608 _response.reset(); |
609 _generator.reset(); | |
610 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
611 _generator.completeHeader(_responseFields,Generator.LAST); | |
612 _generator.complete(); | |
613 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
614 } | |
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615 |
826 | 616 } |
617 if (last) | |
618 _generator.complete(); | |
619 } | |
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620 |
826 | 621 /* ------------------------------------------------------------ */ |
622 public void completeResponse() throws IOException | |
623 { | |
624 if (!_generator.isCommitted()) | |
625 { | |
626 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
627 try | |
628 { | |
629 _generator.completeHeader(_responseFields, Generator.LAST); | |
630 } | |
631 catch(RuntimeException e) | |
632 { | |
633 LOG.warn("header full: "+e); | |
634 LOG.debug("",e); | |
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635 |
826 | 636 _response.reset(); |
637 _generator.reset(); | |
638 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
639 _generator.completeHeader(_responseFields,Generator.LAST); | |
640 _generator.complete(); | |
641 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
642 } | |
643 } | |
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644 |
826 | 645 _generator.complete(); |
646 } | |
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647 |
826 | 648 /* ------------------------------------------------------------ */ |
649 public void flushResponse() throws IOException | |
650 { | |
651 try | |
652 { | |
653 commitResponse(Generator.MORE); | |
654 _generator.flushBuffer(); | |
655 } | |
656 catch(IOException e) | |
657 { | |
658 throw (e instanceof EofException) ? e:new EofException(e); | |
659 } | |
660 } | |
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661 |
826 | 662 /* ------------------------------------------------------------ */ |
663 public Generator getGenerator() | |
664 { | |
665 return _generator; | |
666 } | |
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667 |
826 | 668 /* ------------------------------------------------------------ */ |
669 public boolean isIncluding() | |
670 { | |
671 return _include>0; | |
672 } | |
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673 |
826 | 674 /* ------------------------------------------------------------ */ |
675 public void include() | |
676 { | |
677 _include++; | |
678 } | |
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679 |
826 | 680 /* ------------------------------------------------------------ */ |
681 public void included() | |
682 { | |
683 _include--; | |
684 if (_out!=null) | |
685 _out.reopen(); | |
686 } | |
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687 |
826 | 688 /* ------------------------------------------------------------ */ |
689 public boolean isIdle() | |
690 { | |
691 return _generator.isIdle() && (_parser.isIdle() || _delayedHandling); | |
692 } | |
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693 |
826 | 694 /* ------------------------------------------------------------ */ |
695 /** | |
696 * @see org.eclipse.jetty.io.Connection#isSuspended() | |
697 */ | |
698 public boolean isSuspended() | |
699 { | |
700 return _request.getAsyncContinuation().isSuspended(); | |
701 } | |
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702 |
826 | 703 /* ------------------------------------------------------------ */ |
704 public void onClose() | |
705 { | |
706 LOG.debug("closed {}",this); | |
707 } | |
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708 |
826 | 709 /* ------------------------------------------------------------ */ |
710 public boolean isExpecting100Continues() | |
711 { | |
712 return _expect100Continue; | |
713 } | |
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714 |
826 | 715 /* ------------------------------------------------------------ */ |
716 public boolean isExpecting102Processing() | |
717 { | |
718 return _expect102Processing; | |
719 } | |
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720 |
826 | 721 /* ------------------------------------------------------------ */ |
722 public int getMaxIdleTime() | |
723 { | |
724 if (_connector.isLowResources() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) | |
725 return _connector.getLowResourceMaxIdleTime(); | |
726 if (_endp.getMaxIdleTime()>0) | |
727 return _endp.getMaxIdleTime(); | |
728 return _connector.getMaxIdleTime(); | |
729 } | |
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730 |
826 | 731 /* ------------------------------------------------------------ */ |
732 public String toString() | |
733 { | |
734 return String.format("%s,g=%s,p=%s,r=%d", | |
735 super.toString(), | |
736 _generator, | |
737 _parser, | |
738 _requests); | |
739 } | |
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740 |
826 | 741 /* ------------------------------------------------------------ */ |
742 protected void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
743 { | |
744 uri=uri.asImmutableBuffer(); | |
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745 |
826 | 746 _host = false; |
747 _expect = false; | |
748 _expect100Continue=false; | |
749 _expect102Processing=false; | |
750 _delayedHandling=false; | |
751 _charset=null; | |
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752 |
826 | 753 if(_request.getTimeStamp()==0) |
754 _request.setTimeStamp(System.currentTimeMillis()); | |
755 _request.setMethod(method.toString()); | |
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756 |
826 | 757 try |
758 { | |
759 _head=false; | |
760 switch (HttpMethods.CACHE.getOrdinal(method)) | |
761 { | |
762 case HttpMethods.CONNECT_ORDINAL: | |
763 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
764 break; | |
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765 |
826 | 766 case HttpMethods.HEAD_ORDINAL: |
767 _head=true; | |
768 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
769 break; | |
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770 |
826 | 771 default: |
772 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
773 } | |
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774 |
826 | 775 _request.setUri(_uri); |
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776 |
826 | 777 if (version==null) |
778 { | |
779 _request.setProtocol(HttpVersions.HTTP_0_9); | |
780 _version=HttpVersions.HTTP_0_9_ORDINAL; | |
781 } | |
782 else | |
783 { | |
784 version= HttpVersions.CACHE.get(version); | |
785 if (version==null) | |
786 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); | |
787 _version = HttpVersions.CACHE.getOrdinal(version); | |
788 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
789 _request.setProtocol(version.toString()); | |
790 } | |
791 } | |
792 catch (Exception e) | |
793 { | |
794 LOG.debug("",e); | |
795 if (e instanceof HttpException) | |
796 throw (HttpException)e; | |
797 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
798 } | |
799 } | |
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800 |
826 | 801 /* ------------------------------------------------------------ */ |
802 protected void parsedHeader(Buffer name, Buffer value) throws IOException | |
803 { | |
804 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
805 switch (ho) | |
806 { | |
807 case HttpHeaders.HOST_ORDINAL: | |
808 // TODO check if host matched a host in the URI. | |
809 _host = true; | |
810 break; | |
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811 |
826 | 812 case HttpHeaders.EXPECT_ORDINAL: |
813 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
814 { | |
815 value = HttpHeaderValues.CACHE.lookup(value); | |
816 switch(HttpHeaderValues.CACHE.getOrdinal(value)) | |
817 { | |
818 case HttpHeaderValues.CONTINUE_ORDINAL: | |
819 _expect100Continue=_generator instanceof HttpGenerator; | |
820 break; | |
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821 |
826 | 822 case HttpHeaderValues.PROCESSING_ORDINAL: |
823 _expect102Processing=_generator instanceof HttpGenerator; | |
824 break; | |
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825 |
826 | 826 default: |
827 String[] values = value.toString().split(","); | |
828 for (int i=0;values!=null && i<values.length;i++) | |
829 { | |
830 CachedBuffer cb=HttpHeaderValues.CACHE.get(values[i].trim()); | |
831 if (cb==null) | |
832 _expect=true; | |
833 else | |
834 { | |
835 switch(cb.getOrdinal()) | |
836 { | |
837 case HttpHeaderValues.CONTINUE_ORDINAL: | |
838 _expect100Continue=_generator instanceof HttpGenerator; | |
839 break; | |
840 case HttpHeaderValues.PROCESSING_ORDINAL: | |
841 _expect102Processing=_generator instanceof HttpGenerator; | |
842 break; | |
843 default: | |
844 _expect=true; | |
845 } | |
846 } | |
847 } | |
848 } | |
849 } | |
850 break; | |
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851 |
826 | 852 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
853 case HttpHeaders.USER_AGENT_ORDINAL: | |
854 value = HttpHeaderValues.CACHE.lookup(value); | |
855 break; | |
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856 |
826 | 857 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
858 value = MimeTypes.CACHE.lookup(value); | |
859 _charset=MimeTypes.getCharsetFromContentType(value); | |
860 break; | |
861 } | |
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862 |
826 | 863 _requestFields.add(name, value); |
864 } | |
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865 |
826 | 866 /* ------------------------------------------------------------ */ |
867 protected void headerComplete() throws IOException | |
868 { | |
869 // Handle idle race | |
870 if (_endp.isOutputShutdown()) | |
871 { | |
872 _endp.close(); | |
873 return; | |
874 } | |
875 | |
876 _requests++; | |
877 _generator.setVersion(_version); | |
878 switch (_version) | |
879 { | |
880 case HttpVersions.HTTP_0_9_ORDINAL: | |
881 break; | |
882 case HttpVersions.HTTP_1_0_ORDINAL: | |
883 _generator.setHead(_head); | |
884 if (_parser.isPersistent()) | |
885 { | |
886 _responseFields.add(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.KEEP_ALIVE_BUFFER); | |
887 _generator.setPersistent(true); | |
888 } | |
889 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
890 { | |
891 _generator.setPersistent(true); | |
892 _parser.setPersistent(true); | |
893 } | |
894 break; | |
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895 |
826 | 896 case HttpVersions.HTTP_1_1_ORDINAL: |
897 _generator.setHead(_head); | |
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898 |
826 | 899 if (!_parser.isPersistent()) |
900 { | |
901 _responseFields.add(HttpHeaders.CONNECTION_BUFFER,HttpHeaderValues.CLOSE_BUFFER); | |
902 _generator.setPersistent(false); | |
903 } | |
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904 |
826 | 905 if (!_host) |
906 { | |
907 LOG.debug("!host {}",this); | |
908 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
909 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
910 _generator.completeHeader(_responseFields, true); | |
911 _generator.complete(); | |
912 return; | |
913 } | |
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914 |
826 | 915 if (_expect) |
916 { | |
917 LOG.debug("!expectation {}",this); | |
918 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
919 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
920 _generator.completeHeader(_responseFields, true); | |
921 _generator.complete(); | |
922 return; | |
923 } | |
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924 |
826 | 925 break; |
926 default: | |
927 } | |
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928 |
826 | 929 if(_charset!=null) |
930 _request.setCharacterEncodingUnchecked(_charset); | |
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931 |
826 | 932 // Either handle now or wait for first content |
933 if ((((HttpParser)_parser).getContentLength()<=0 && !((HttpParser)_parser).isChunking())||_expect100Continue) | |
934 handleRequest(); | |
935 else | |
936 _delayedHandling=true; | |
937 } | |
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938 |
826 | 939 /* ------------------------------------------------------------ */ |
940 protected void content(Buffer buffer) throws IOException | |
941 { | |
942 if (_delayedHandling) | |
943 { | |
944 _delayedHandling=false; | |
945 handleRequest(); | |
946 } | |
947 } | |
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948 |
826 | 949 /* ------------------------------------------------------------ */ |
950 public void messageComplete(long contentLength) throws IOException | |
951 { | |
952 if (_delayedHandling) | |
953 { | |
954 _delayedHandling=false; | |
955 handleRequest(); | |
956 } | |
957 } | |
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958 |
826 | 959 /* ------------------------------------------------------------ */ |
960 public void earlyEOF() | |
961 { | |
962 _earlyEOF = true; | |
963 } | |
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964 |
826 | 965 /* ------------------------------------------------------------ */ |
966 /* ------------------------------------------------------------ */ | |
967 /* ------------------------------------------------------------ */ | |
968 private class RequestHandler extends HttpParser.EventHandler | |
969 { | |
970 /* | |
971 * | |
972 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startRequest(org.eclipse.io.Buffer, | |
973 * org.eclipse.io.Buffer, org.eclipse.io.Buffer) | |
974 */ | |
975 @Override | |
976 public void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
977 { | |
978 AbstractHttpConnection.this.startRequest(method, uri, version); | |
979 } | |
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980 |
826 | 981 /* |
982 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#parsedHeaderValue(org.eclipse.io.Buffer) | |
983 */ | |
984 @Override | |
985 public void parsedHeader(Buffer name, Buffer value) throws IOException | |
986 { | |
987 AbstractHttpConnection.this.parsedHeader(name, value); | |
988 } | |
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989 |
826 | 990 /* |
991 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#headerComplete() | |
992 */ | |
993 @Override | |
994 public void headerComplete() throws IOException | |
995 { | |
996 AbstractHttpConnection.this.headerComplete(); | |
997 } | |
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998 |
826 | 999 /* ------------------------------------------------------------ */ |
1000 /* | |
1001 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#content(int, org.eclipse.io.Buffer) | |
1002 */ | |
1003 @Override | |
1004 public void content(Buffer ref) throws IOException | |
1005 { | |
1006 AbstractHttpConnection.this.content(ref); | |
1007 } | |
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1008 |
826 | 1009 /* ------------------------------------------------------------ */ |
1010 /* | |
1011 * (non-Javadoc) | |
1012 * | |
1013 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#messageComplete(int) | |
1014 */ | |
1015 @Override | |
1016 public void messageComplete(long contentLength) throws IOException | |
1017 { | |
1018 AbstractHttpConnection.this.messageComplete(contentLength); | |
1019 } | |
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1020 |
826 | 1021 /* ------------------------------------------------------------ */ |
1022 /* | |
1023 * (non-Javadoc) | |
1024 * | |
1025 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startResponse(org.eclipse.io.Buffer, int, | |
1026 * org.eclipse.io.Buffer) | |
1027 */ | |
1028 @Override | |
1029 public void startResponse(Buffer version, int status, Buffer reason) | |
1030 { | |
1031 if (LOG.isDebugEnabled()) | |
1032 LOG.debug("Bad request!: "+version+" "+status+" "+reason); | |
1033 } | |
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1034 |
826 | 1035 /* ------------------------------------------------------------ */ |
1036 /* | |
1037 * (non-Javadoc) | |
1038 * | |
1039 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#earlyEOF() | |
1040 */ | |
1041 @Override | |
1042 public void earlyEOF() | |
1043 { | |
1044 AbstractHttpConnection.this.earlyEOF(); | |
1045 } | |
1046 } | |
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1047 |
826 | 1048 /* ------------------------------------------------------------ */ |
1049 /* ------------------------------------------------------------ */ | |
1050 /* ------------------------------------------------------------ */ | |
1051 public class Output extends HttpOutput | |
1052 { | |
1053 Output() | |
1054 { | |
1055 super(AbstractHttpConnection.this); | |
1056 } | |
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|
1057 |
826 | 1058 /* ------------------------------------------------------------ */ |
1059 /* | |
1060 * @see java.io.OutputStream#close() | |
1061 */ | |
1062 @Override | |
1063 public void close() throws IOException | |
1064 { | |
1065 if (isClosed()) | |
1066 return; | |
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1067 |
826 | 1068 if (!isIncluding() && !super._generator.isCommitted()) |
1069 commitResponse(Generator.LAST); | |
1070 else | |
1071 flushResponse(); | |
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1072 |
826 | 1073 super.close(); |
1074 } | |
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1075 |
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1076 |
826 | 1077 /* ------------------------------------------------------------ */ |
1078 /* | |
1079 * @see java.io.OutputStream#flush() | |
1080 */ | |
1081 @Override | |
1082 public void flush() throws IOException | |
1083 { | |
1084 if (!super._generator.isCommitted()) | |
1085 commitResponse(Generator.MORE); | |
1086 super.flush(); | |
1087 } | |
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1088 |
826 | 1089 /* ------------------------------------------------------------ */ |
1090 /* | |
1091 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
1092 */ | |
1093 @Override | |
1094 public void print(String s) throws IOException | |
1095 { | |
1096 if (isClosed()) | |
1097 throw new IOException("Closed"); | |
1098 PrintWriter writer=getPrintWriter(null); | |
1099 writer.print(s); | |
1100 } | |
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1101 |
826 | 1102 /* ------------------------------------------------------------ */ |
1103 public void sendResponse(Buffer response) throws IOException | |
1104 { | |
1105 ((HttpGenerator)super._generator).sendResponse(response); | |
1106 } | |
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1107 |
826 | 1108 /* ------------------------------------------------------------ */ |
1109 public void sendContent(Object content) throws IOException | |
1110 { | |
1111 Resource resource=null; | |
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1112 |
826 | 1113 if (isClosed()) |
1114 throw new IOException("Closed"); | |
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1115 |
826 | 1116 if (super._generator.isWritten()) |
1117 throw new IllegalStateException("!empty"); | |
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1118 |
826 | 1119 if (content instanceof Resource) |
1120 { | |
1121 resource=(Resource)content; | |
1122 _responseFields.putDateField(HttpHeaders.LAST_MODIFIED_BUFFER, resource.lastModified()); | |
1123 content=resource.getInputStream(); | |
1124 } | |
1125 | |
1126 // Process content. | |
1127 if (content instanceof Buffer) | |
1128 { | |
1129 super._generator.addContent((Buffer) content, Generator.LAST); | |
1130 commitResponse(Generator.LAST); | |
1131 } | |
1132 else if (content instanceof InputStream) | |
1133 { | |
1134 InputStream in = (InputStream)content; | |
1135 | |
1136 try | |
1137 { | |
1138 int max = super._generator.prepareUncheckedAddContent(); | |
1139 Buffer buffer = super._generator.getUncheckedBuffer(); | |
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1140 |
826 | 1141 int len=buffer.readFrom(in,max); |
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1142 |
826 | 1143 while (len>=0) |
1144 { | |
1145 super._generator.completeUncheckedAddContent(); | |
1146 _out.flush(); | |
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1147 |
826 | 1148 max = super._generator.prepareUncheckedAddContent(); |
1149 buffer = super._generator.getUncheckedBuffer(); | |
1150 len=buffer.readFrom(in,max); | |
1151 } | |
1152 super._generator.completeUncheckedAddContent(); | |
1153 _out.flush(); | |
1154 } | |
1155 finally | |
1156 { | |
1157 if (resource!=null) | |
1158 resource.release(); | |
1159 else | |
1160 in.close(); | |
1161 } | |
1162 } | |
1163 else | |
1164 throw new IllegalArgumentException("unknown content type?"); | |
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1165 |
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1166 |
826 | 1167 } |
1168 } | |
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1169 |
826 | 1170 /* ------------------------------------------------------------ */ |
1171 /* ------------------------------------------------------------ */ | |
1172 /* ------------------------------------------------------------ */ | |
1173 public class OutputWriter extends HttpWriter | |
1174 { | |
1175 OutputWriter() | |
1176 { | |
1177 super(AbstractHttpConnection.this._out); | |
1178 } | |
1179 } | |
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1180 |
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1181 |
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1182 } |