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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 921:a5af9ee7cf91
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| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Sun, 09 Oct 2016 18:09:50 -0600 |
| parents | 3268ddf919d4 |
| children | 5c9cb5d00512 |
| rev | line source |
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1 // |
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2 // ======================================================================== |
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
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4 // ------------------------------------------------------------------------ |
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5 // All rights reserved. This program and the accompanying materials |
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6 // are made available under the terms of the Eclipse Public License v1.0 |
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7 // and Apache License v2.0 which accompanies this distribution. |
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8 // |
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9 // The Eclipse Public License is available at |
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10 // http://www.eclipse.org/legal/epl-v10.html |
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11 // |
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12 // The Apache License v2.0 is available at |
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13 // http://www.opensource.org/licenses/apache2.0.php |
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14 // |
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15 // You may elect to redistribute this code under either of these licenses. |
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16 // ======================================================================== |
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17 // |
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18 |
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19 package org.eclipse.jetty.server; |
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20 |
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21 import java.io.IOException; |
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22 import java.io.InputStream; |
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23 import java.io.PrintWriter; |
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24 |
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25 import javax.servlet.DispatcherType; |
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26 import javax.servlet.RequestDispatcher; |
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27 import javax.servlet.ServletInputStream; |
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28 import javax.servlet.ServletOutputStream; |
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29 import javax.servlet.http.HttpServletRequest; |
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30 import javax.servlet.http.HttpServletResponse; |
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31 |
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32 import org.eclipse.jetty.continuation.ContinuationThrowable; |
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33 import org.eclipse.jetty.http.EncodedHttpURI; |
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34 import org.eclipse.jetty.http.Generator; |
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35 import org.eclipse.jetty.http.HttpBuffers; |
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36 import org.eclipse.jetty.http.HttpException; |
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37 import org.eclipse.jetty.http.HttpFields; |
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38 import org.eclipse.jetty.http.HttpGenerator; |
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39 import org.eclipse.jetty.http.HttpHeaderValues; |
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40 import org.eclipse.jetty.http.HttpHeaders; |
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41 import org.eclipse.jetty.http.HttpMethods; |
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42 import org.eclipse.jetty.http.HttpParser; |
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43 import org.eclipse.jetty.http.HttpStatus; |
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44 import org.eclipse.jetty.http.HttpURI; |
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45 import org.eclipse.jetty.http.HttpVersions; |
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46 import org.eclipse.jetty.http.MimeTypes; |
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47 import org.eclipse.jetty.http.Parser; |
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48 import org.eclipse.jetty.io.AbstractConnection; |
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49 import org.eclipse.jetty.io.Buffer; |
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50 import org.eclipse.jetty.io.BufferCache.CachedBuffer; |
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51 import org.eclipse.jetty.io.Buffers; |
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52 import org.eclipse.jetty.io.Connection; |
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53 import org.eclipse.jetty.io.EndPoint; |
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54 import org.eclipse.jetty.io.EofException; |
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55 import org.eclipse.jetty.io.RuntimeIOException; |
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56 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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57 import org.eclipse.jetty.util.StringUtil; |
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58 import org.eclipse.jetty.util.URIUtil; |
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59 import org.slf4j.Logger; |
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60 import org.slf4j.LoggerFactory; |
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61 import org.eclipse.jetty.util.resource.Resource; |
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62 |
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63 /** |
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64 * <p>A HttpConnection represents the connection of a HTTP client to the server |
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65 * and is created by an instance of a {@link Connector}. It's prime function is |
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66 * to associate {@link Request} and {@link Response} instances with a {@link EndPoint}. |
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67 * </p> |
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68 * <p> |
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69 * A connection is also the prime mechanism used by jetty to recycle objects without |
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70 * pooling. The {@link Request}, {@link Response}, {@link HttpParser}, {@link HttpGenerator} |
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71 * and {@link HttpFields} instances are all recycled for the duraction of |
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72 * a connection. Where appropriate, allocated buffers are also kept associated |
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73 * with the connection via the parser and/or generator. |
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74 * </p> |
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75 * <p> |
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76 * The connection state is held by 3 separate state machines: The request state, the |
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77 * response state and the continuation state. All three state machines must be driven |
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78 * to completion for every request, and all three can complete in any order. |
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79 * </p> |
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80 * <p> |
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81 * The HttpConnection support protocol upgrade. If on completion of a request, the |
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82 * response code is 101 (switch protocols), then the org.eclipse.jetty.io.Connection |
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83 * request attribute is checked to see if there is a new Connection instance. If so, |
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84 * the new connection is returned from {@link #handle()} and is used for future |
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85 * handling of the underlying connection. Note that for switching protocols that |
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86 * don't use 101 responses (eg CONNECT), the response should be sent and then the |
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87 * status code changed to 101 before returning from the handler. Implementors |
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88 * of new Connection types should be careful to extract any buffered data from |
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89 * (HttpParser)http.getParser()).getHeaderBuffer() and |
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90 * (HttpParser)http.getParser()).getBodyBuffer() to initialise their new connection. |
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91 * </p> |
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92 * |
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93 */ |
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94 public abstract class AbstractHttpConnection extends AbstractConnection |
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95 { |
| 826 | 96 private static final Logger LOG = LoggerFactory.getLogger(AbstractHttpConnection.class); |
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97 |
| 826 | 98 private static final int UNKNOWN = -2; |
| 99 private static final ThreadLocal<AbstractHttpConnection> __currentConnection = new ThreadLocal<AbstractHttpConnection>(); | |
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100 |
| 826 | 101 private int _requests; |
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102 |
| 826 | 103 protected final Connector _connector; |
| 104 protected final Server _server; | |
| 105 protected final HttpURI _uri; | |
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106 |
| 826 | 107 protected final Parser _parser; |
| 108 protected final HttpFields _requestFields; | |
| 109 protected final Request _request; | |
| 110 protected volatile ServletInputStream _in; | |
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111 |
| 826 | 112 protected final Generator _generator; |
| 113 protected final HttpFields _responseFields; | |
| 114 protected final Response _response; | |
| 115 protected volatile Output _out; | |
| 116 protected volatile OutputWriter _writer; | |
| 117 protected volatile PrintWriter _printWriter; | |
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118 |
| 826 | 119 int _include; |
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120 |
| 826 | 121 private Object _associatedObject; // associated object |
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122 |
| 826 | 123 private int _version = UNKNOWN; |
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124 |
| 826 | 125 private String _charset; |
| 126 private boolean _expect = false; | |
| 127 private boolean _expect100Continue = false; | |
| 128 private boolean _expect102Processing = false; | |
| 129 private boolean _head = false; | |
| 130 private boolean _host = false; | |
| 131 private boolean _delayedHandling=false; | |
| 132 private boolean _earlyEOF = false; | |
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133 |
| 826 | 134 /* ------------------------------------------------------------ */ |
| 135 public static AbstractHttpConnection getCurrentConnection() | |
| 136 { | |
| 137 return __currentConnection.get(); | |
| 138 } | |
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139 |
| 826 | 140 /* ------------------------------------------------------------ */ |
| 141 protected static void setCurrentConnection(AbstractHttpConnection connection) | |
| 142 { | |
| 143 __currentConnection.set(connection); | |
| 144 } | |
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145 |
| 826 | 146 /* ------------------------------------------------------------ */ |
| 147 public AbstractHttpConnection(Connector connector, EndPoint endpoint, Server server) | |
| 148 { | |
| 149 super(endpoint); | |
| 150 _uri = StringUtil.__UTF8.equals(URIUtil.__CHARSET)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); | |
| 151 _connector = connector; | |
| 152 HttpBuffers ab = (HttpBuffers)_connector; | |
| 153 _parser = newHttpParser(ab.getRequestBuffers(), endpoint, new RequestHandler()); | |
| 154 _requestFields = new HttpFields(); | |
| 155 _responseFields = new HttpFields(); | |
| 156 _request = new Request(this); | |
| 157 _response = new Response(this); | |
| 158 _generator = newHttpGenerator(ab.getResponseBuffers(), endpoint); | |
| 159 _server = server; | |
| 160 } | |
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161 |
| 826 | 162 /* ------------------------------------------------------------ */ |
| 163 protected AbstractHttpConnection(Connector connector, EndPoint endpoint, Server server, | |
| 164 Parser parser, Generator generator, Request request) | |
| 165 { | |
| 166 super(endpoint); | |
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167 |
| 826 | 168 _uri = URIUtil.__CHARSET.equals(StringUtil.__UTF8)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); |
| 169 _connector = connector; | |
| 170 _parser = parser; | |
| 171 _requestFields = new HttpFields(); | |
| 172 _responseFields = new HttpFields(); | |
| 173 _request = request; | |
| 174 _response = new Response(this); | |
| 175 _generator = generator; | |
| 176 _server = server; | |
| 177 } | |
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178 |
| 826 | 179 protected HttpParser newHttpParser(Buffers requestBuffers, EndPoint endpoint, HttpParser.EventHandler requestHandler) |
| 180 { | |
| 181 return new HttpParser(requestBuffers, endpoint, requestHandler); | |
| 182 } | |
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183 |
| 826 | 184 protected HttpGenerator newHttpGenerator(Buffers responseBuffers, EndPoint endPoint) |
| 185 { | |
| 186 return new HttpGenerator(responseBuffers, endPoint); | |
| 187 } | |
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188 |
| 826 | 189 /* ------------------------------------------------------------ */ |
| 190 /** | |
| 191 * @return the parser used by this connection | |
| 192 */ | |
| 193 public Parser getParser() | |
| 194 { | |
| 195 return _parser; | |
| 196 } | |
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197 |
| 826 | 198 /* ------------------------------------------------------------ */ |
| 199 /** | |
| 200 * @return the number of requests handled by this connection | |
| 201 */ | |
| 202 public int getRequests() | |
| 203 { | |
| 204 return _requests; | |
| 205 } | |
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206 |
| 826 | 207 /* ------------------------------------------------------------ */ |
| 208 public Server getServer() | |
| 209 { | |
| 210 return _server; | |
| 211 } | |
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212 |
| 826 | 213 /* ------------------------------------------------------------ */ |
| 214 /** | |
| 215 * @return Returns the associatedObject. | |
| 216 */ | |
| 217 public Object getAssociatedObject() | |
| 218 { | |
| 219 return _associatedObject; | |
| 220 } | |
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221 |
| 826 | 222 /* ------------------------------------------------------------ */ |
| 223 /** | |
| 224 * @param associatedObject The associatedObject to set. | |
| 225 */ | |
| 226 public void setAssociatedObject(Object associatedObject) | |
| 227 { | |
| 228 _associatedObject = associatedObject; | |
| 229 } | |
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230 |
| 826 | 231 /* ------------------------------------------------------------ */ |
| 232 /** | |
| 233 * @return Returns the connector. | |
| 234 */ | |
| 235 public Connector getConnector() | |
| 236 { | |
| 237 return _connector; | |
| 238 } | |
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239 |
| 826 | 240 /* ------------------------------------------------------------ */ |
| 241 /** | |
| 242 * @return Returns the requestFields. | |
| 243 */ | |
| 244 public HttpFields getRequestFields() | |
| 245 { | |
| 246 return _requestFields; | |
| 247 } | |
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248 |
| 826 | 249 /* ------------------------------------------------------------ */ |
| 250 /** | |
| 251 * @return Returns the responseFields. | |
| 252 */ | |
| 253 public HttpFields getResponseFields() | |
| 254 { | |
| 255 return _responseFields; | |
| 256 } | |
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257 |
| 826 | 258 /* ------------------------------------------------------------ */ |
| 259 /** | |
| 260 * Find out if the request supports CONFIDENTIAL security. | |
| 261 * @param request the incoming HTTP request | |
| 262 * @return the result of calling {@link Connector#isConfidential(Request)}, or false | |
| 263 * if there is no connector | |
| 264 */ | |
| 265 public boolean isConfidential(Request request) | |
| 266 { | |
| 267 return _connector != null && _connector.isConfidential(request); | |
| 268 } | |
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269 |
| 826 | 270 /* ------------------------------------------------------------ */ |
| 271 /** | |
| 272 * @return Returns the request. | |
| 273 */ | |
| 274 public Request getRequest() | |
| 275 { | |
| 276 return _request; | |
| 277 } | |
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278 |
| 826 | 279 /* ------------------------------------------------------------ */ |
| 280 /** | |
| 281 * @return Returns the response. | |
| 282 */ | |
| 283 public Response getResponse() | |
| 284 { | |
| 285 return _response; | |
| 286 } | |
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287 |
| 826 | 288 /* ------------------------------------------------------------ */ |
| 289 /** | |
| 290 * Get the inputStream from the connection. | |
| 291 * <p> | |
| 292 * If the associated response has the Expect header set to 100 Continue, | |
| 293 * then accessing the input stream indicates that the handler/servlet | |
| 294 * is ready for the request body and thus a 100 Continue response is sent. | |
| 295 * | |
| 296 * @return The input stream for this connection. | |
| 297 * The stream will be created if it does not already exist. | |
| 298 * @throws IOException if the input stream cannot be retrieved | |
| 299 */ | |
| 300 public ServletInputStream getInputStream() throws IOException | |
| 301 { | |
| 302 // If the client is expecting 100 CONTINUE, then send it now. | |
| 303 if (_expect100Continue) | |
| 304 { | |
| 305 // is content missing? | |
| 306 if (((HttpParser)_parser).getHeaderBuffer()==null || ((HttpParser)_parser).getHeaderBuffer().length()<2) | |
| 307 { | |
| 308 if (_generator.isCommitted()) | |
| 309 throw new IllegalStateException("Committed before 100 Continues"); | |
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310 |
| 826 | 311 ((HttpGenerator)_generator).send1xx(HttpStatus.CONTINUE_100); |
| 312 } | |
| 313 _expect100Continue=false; | |
| 314 } | |
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315 |
| 826 | 316 if (_in == null) |
| 317 _in = new HttpInput(AbstractHttpConnection.this); | |
| 318 return _in; | |
| 319 } | |
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320 |
| 826 | 321 /* ------------------------------------------------------------ */ |
| 322 /** | |
| 323 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
| 324 */ | |
| 325 public ServletOutputStream getOutputStream() | |
| 326 { | |
| 327 if (_out == null) | |
| 328 _out = new Output(); | |
| 329 return _out; | |
| 330 } | |
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331 |
| 826 | 332 /* ------------------------------------------------------------ */ |
| 333 /** | |
| 334 * @param encoding the PrintWriter encoding | |
| 335 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
| 336 * does not already exist. | |
| 337 */ | |
| 338 public PrintWriter getPrintWriter(String encoding) | |
| 339 { | |
| 340 getOutputStream(); | |
| 341 if (_writer==null) | |
| 342 { | |
| 343 _writer=new OutputWriter(); | |
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344 _printWriter = new PrintWriter(_writer) |
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345 { |
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346 public void close() |
| 826 | 347 { |
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348 synchronized (lock) |
| 826 | 349 { |
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350 try |
| 826 | 351 { |
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352 out.close(); |
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353 } |
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354 catch (IOException e) |
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355 { |
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356 setError(); |
| 826 | 357 } |
| 358 } | |
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359 } |
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360 }; |
| 826 | 361 } |
| 362 _writer.setCharacterEncoding(encoding); | |
| 363 return _printWriter; | |
| 364 } | |
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365 |
| 826 | 366 /* ------------------------------------------------------------ */ |
| 367 public boolean isResponseCommitted() | |
| 368 { | |
| 369 return _generator.isCommitted(); | |
| 370 } | |
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371 |
| 826 | 372 /* ------------------------------------------------------------ */ |
| 373 public boolean isEarlyEOF() | |
| 374 { | |
| 375 return _earlyEOF; | |
| 376 } | |
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377 |
| 826 | 378 /* ------------------------------------------------------------ */ |
| 379 public void reset() | |
| 380 { | |
| 381 _parser.reset(); | |
| 382 _parser.returnBuffers(); // TODO maybe only on unhandle | |
| 383 _requestFields.clear(); | |
| 384 _request.recycle(); | |
| 385 _generator.reset(); | |
| 386 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 387 _responseFields.clear(); | |
| 388 _response.recycle(); | |
| 389 _uri.clear(); | |
| 390 _writer=null; | |
| 391 _earlyEOF = false; | |
| 392 } | |
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393 |
| 826 | 394 /* ------------------------------------------------------------ */ |
| 395 protected void handleRequest() throws IOException | |
| 396 { | |
| 397 boolean error = false; | |
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398 |
| 826 | 399 String threadName=null; |
| 400 Throwable async_exception=null; | |
| 401 try | |
| 402 { | |
| 403 if (LOG.isDebugEnabled()) | |
| 404 { | |
| 405 threadName=Thread.currentThread().getName(); | |
| 406 Thread.currentThread().setName(threadName+" - "+_uri); | |
| 407 } | |
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408 |
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409 |
| 826 | 410 // Loop here to handle async request redispatches. |
| 411 // The loop is controlled by the call to async.unhandle in the | |
| 412 // finally block below. If call is from a non-blocking connector, | |
| 413 // then the unhandle will return false only if an async dispatch has | |
| 414 // already happened when unhandle is called. For a blocking connector, | |
| 415 // the wait for the asynchronous dispatch or timeout actually happens | |
| 416 // within the call to unhandle(). | |
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417 |
| 826 | 418 final Server server=_server; |
| 419 boolean was_continuation=_request._async.isContinuation(); | |
| 420 boolean handling=_request._async.handling() && server!=null && server.isRunning(); | |
| 421 while (handling) | |
| 422 { | |
| 423 _request.setHandled(false); | |
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424 |
| 826 | 425 String info=null; |
| 426 try | |
| 427 { | |
| 428 _uri.getPort(); | |
| 429 String path = null; | |
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430 |
| 826 | 431 try |
| 432 { | |
| 433 path = _uri.getDecodedPath(); | |
| 434 } | |
| 435 catch (Exception e) | |
| 436 { | |
| 437 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); | |
| 438 LOG.trace("",e); | |
| 439 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); | |
| 440 } | |
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441 |
| 826 | 442 info=URIUtil.canonicalPath(path); |
| 443 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) | |
| 444 { | |
| 445 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) | |
| 446 { | |
| 447 info="/"; | |
| 448 _request.setRequestURI(""); | |
| 449 } | |
| 450 else | |
| 451 throw new HttpException(400); | |
| 452 } | |
| 453 _request.setPathInfo(info); | |
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454 |
| 826 | 455 if (_out!=null) |
| 456 _out.reopen(); | |
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457 |
| 826 | 458 if (_request._async.isInitial()) |
| 459 { | |
| 460 _request.setDispatcherType(DispatcherType.REQUEST); | |
| 461 _connector.customize(_endp, _request); | |
| 462 server.handle(this); | |
| 463 } | |
| 464 else | |
| 465 { | |
| 921 | 466 _request.setDispatcherType(DispatcherType.ASYNC); |
| 826 | 467 server.handleAsync(this); |
| 468 } | |
| 469 } | |
| 470 catch (ContinuationThrowable e) | |
| 471 { | |
| 472 LOG.trace("",e); | |
| 473 } | |
| 474 catch (EofException e) | |
| 475 { | |
| 476 async_exception=e; | |
| 477 LOG.debug("",e); | |
| 478 error=true; | |
| 479 _request.setHandled(true); | |
| 480 if (!_response.isCommitted()) | |
| 481 _generator.sendError(500, null, null, true); | |
| 482 } | |
| 483 catch (RuntimeIOException e) | |
| 484 { | |
| 485 async_exception=e; | |
| 486 LOG.debug("",e); | |
| 487 error=true; | |
| 488 _request.setHandled(true); | |
| 489 } | |
| 490 catch (HttpException e) | |
| 491 { | |
| 492 LOG.debug("",e); | |
| 493 error=true; | |
| 494 _request.setHandled(true); | |
| 495 _response.sendError(e.getStatus(), e.getReason()); | |
| 496 } | |
| 497 catch (Throwable e) | |
| 498 { | |
| 499 async_exception=e; | |
| 500 LOG.warn(String.valueOf(_uri),e); | |
| 501 error=true; | |
| 502 _request.setHandled(true); | |
| 503 _generator.sendError(info==null?400:500, null, null, true); | |
| 504 | |
| 505 } | |
| 506 finally | |
| 507 { | |
| 508 was_continuation=_request._async.isContinuation(); | |
| 509 handling = !_request._async.unhandle() && server.isRunning() && _server!=null; | |
| 510 } | |
| 511 } | |
| 512 } | |
| 513 finally | |
| 514 { | |
| 515 if (threadName!=null) | |
| 516 Thread.currentThread().setName(threadName); | |
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517 |
| 826 | 518 if (_request._async.isUncompleted()) |
| 519 { | |
| 520 | |
| 521 _request._async.doComplete(async_exception); | |
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522 |
| 826 | 523 if (_expect100Continue) |
| 524 { | |
| 525 LOG.debug("100 continues not sent"); | |
| 526 // We didn't send 100 continues, but the latest interpretation | |
| 527 // of the spec (see httpbis) is that the client will either | |
| 528 // send the body anyway, or close. So we no longer need to | |
| 529 // do anything special here other than make the connection not persistent | |
| 530 _expect100Continue = false; | |
| 531 if (!_response.isCommitted()) | |
| 532 _generator.setPersistent(false); | |
| 533 } | |
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534 |
| 826 | 535 if(_endp.isOpen()) |
| 536 { | |
| 537 if (error) | |
| 538 { | |
| 539 _endp.shutdownOutput(); | |
| 540 _generator.setPersistent(false); | |
| 541 if (!_generator.isComplete()) | |
| 542 _response.complete(); | |
| 543 } | |
| 544 else | |
| 545 { | |
| 546 if (!_response.isCommitted() && !_request.isHandled()) | |
| 547 _response.sendError(HttpServletResponse.SC_NOT_FOUND); | |
| 548 _response.complete(); | |
| 549 if (_generator.isPersistent()) | |
| 550 _connector.persist(_endp); | |
| 551 } | |
| 552 } | |
| 553 else | |
| 554 { | |
| 555 _response.complete(); | |
| 556 } | |
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557 |
| 826 | 558 _request.setHandled(true); |
| 559 } | |
| 560 } | |
| 561 } | |
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562 |
| 826 | 563 /* ------------------------------------------------------------ */ |
| 564 public abstract Connection handle() throws IOException; | |
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565 |
| 826 | 566 /* ------------------------------------------------------------ */ |
| 567 public void commitResponse(boolean last) throws IOException | |
| 568 { | |
| 569 if (!_generator.isCommitted()) | |
| 570 { | |
| 571 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 572 try | |
| 573 { | |
| 574 // If the client was expecting 100 continues, but we sent something | |
| 575 // else, then we need to close the connection | |
| 576 if (_expect100Continue && _response.getStatus()!=100) | |
| 577 _generator.setPersistent(false); | |
| 578 _generator.completeHeader(_responseFields, last); | |
| 579 } | |
| 580 catch(RuntimeException e) | |
| 581 { | |
| 582 LOG.warn("header full: " + e); | |
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583 |
| 826 | 584 _response.reset(); |
| 585 _generator.reset(); | |
| 586 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 587 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 588 _generator.complete(); | |
| 589 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 590 } | |
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591 |
| 826 | 592 } |
| 593 if (last) | |
| 594 _generator.complete(); | |
| 595 } | |
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596 |
| 826 | 597 /* ------------------------------------------------------------ */ |
| 598 public void completeResponse() throws IOException | |
| 599 { | |
| 600 if (!_generator.isCommitted()) | |
| 601 { | |
| 602 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 603 try | |
| 604 { | |
| 605 _generator.completeHeader(_responseFields, Generator.LAST); | |
| 606 } | |
| 607 catch(RuntimeException e) | |
| 608 { | |
| 609 LOG.warn("header full: "+e); | |
| 610 LOG.debug("",e); | |
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611 |
| 826 | 612 _response.reset(); |
| 613 _generator.reset(); | |
| 614 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 615 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 616 _generator.complete(); | |
| 617 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 618 } | |
| 619 } | |
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620 |
| 826 | 621 _generator.complete(); |
| 622 } | |
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623 |
| 826 | 624 /* ------------------------------------------------------------ */ |
| 625 public void flushResponse() throws IOException | |
| 626 { | |
| 627 try | |
| 628 { | |
| 629 commitResponse(Generator.MORE); | |
| 630 _generator.flushBuffer(); | |
| 631 } | |
| 632 catch(IOException e) | |
| 633 { | |
| 634 throw (e instanceof EofException) ? e:new EofException(e); | |
| 635 } | |
| 636 } | |
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637 |
| 826 | 638 /* ------------------------------------------------------------ */ |
| 639 public Generator getGenerator() | |
| 640 { | |
| 641 return _generator; | |
| 642 } | |
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643 |
| 826 | 644 /* ------------------------------------------------------------ */ |
| 645 public boolean isIncluding() | |
| 646 { | |
| 647 return _include>0; | |
| 648 } | |
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649 |
| 826 | 650 /* ------------------------------------------------------------ */ |
| 651 public void include() | |
| 652 { | |
| 653 _include++; | |
| 654 } | |
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655 |
| 826 | 656 /* ------------------------------------------------------------ */ |
| 657 public void included() | |
| 658 { | |
| 659 _include--; | |
| 660 if (_out!=null) | |
| 661 _out.reopen(); | |
| 662 } | |
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663 |
| 826 | 664 /* ------------------------------------------------------------ */ |
| 665 public boolean isIdle() | |
| 666 { | |
| 667 return _generator.isIdle() && (_parser.isIdle() || _delayedHandling); | |
| 668 } | |
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669 |
| 826 | 670 /* ------------------------------------------------------------ */ |
| 671 /** | |
| 672 * @see org.eclipse.jetty.io.Connection#isSuspended() | |
| 673 */ | |
| 674 public boolean isSuspended() | |
| 675 { | |
| 676 return _request.getAsyncContinuation().isSuspended(); | |
| 677 } | |
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678 |
| 826 | 679 /* ------------------------------------------------------------ */ |
| 680 public void onClose() | |
| 681 { | |
| 682 LOG.debug("closed {}",this); | |
| 683 } | |
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684 |
| 826 | 685 /* ------------------------------------------------------------ */ |
| 686 public boolean isExpecting100Continues() | |
| 687 { | |
| 688 return _expect100Continue; | |
| 689 } | |
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690 |
| 826 | 691 /* ------------------------------------------------------------ */ |
| 692 public boolean isExpecting102Processing() | |
| 693 { | |
| 694 return _expect102Processing; | |
| 695 } | |
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|
696 |
| 826 | 697 /* ------------------------------------------------------------ */ |
| 698 public int getMaxIdleTime() | |
| 699 { | |
| 700 if (_connector.isLowResources() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) | |
| 913 | 701 return 0; |
| 826 | 702 if (_endp.getMaxIdleTime()>0) |
| 703 return _endp.getMaxIdleTime(); | |
| 704 return _connector.getMaxIdleTime(); | |
| 705 } | |
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706 |
| 826 | 707 /* ------------------------------------------------------------ */ |
| 708 public String toString() | |
| 709 { | |
| 710 return String.format("%s,g=%s,p=%s,r=%d", | |
| 711 super.toString(), | |
| 712 _generator, | |
| 713 _parser, | |
| 714 _requests); | |
| 715 } | |
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716 |
| 826 | 717 /* ------------------------------------------------------------ */ |
| 718 protected void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 719 { | |
| 720 uri=uri.asImmutableBuffer(); | |
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721 |
| 826 | 722 _host = false; |
| 723 _expect = false; | |
| 724 _expect100Continue=false; | |
| 725 _expect102Processing=false; | |
| 726 _delayedHandling=false; | |
| 727 _charset=null; | |
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728 |
| 826 | 729 if(_request.getTimeStamp()==0) |
| 730 _request.setTimeStamp(System.currentTimeMillis()); | |
| 731 _request.setMethod(method.toString()); | |
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732 |
| 826 | 733 try |
| 734 { | |
| 735 _head=false; | |
| 736 switch (HttpMethods.CACHE.getOrdinal(method)) | |
| 737 { | |
| 738 case HttpMethods.CONNECT_ORDINAL: | |
| 739 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
| 740 break; | |
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741 |
| 826 | 742 case HttpMethods.HEAD_ORDINAL: |
| 743 _head=true; | |
| 744 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 745 break; | |
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746 |
| 826 | 747 default: |
| 748 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 749 } | |
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750 |
| 826 | 751 _request.setUri(_uri); |
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752 |
| 826 | 753 if (version==null) |
| 754 { | |
| 755 _request.setProtocol(HttpVersions.HTTP_0_9); | |
| 756 _version=HttpVersions.HTTP_0_9_ORDINAL; | |
| 757 } | |
| 758 else | |
| 759 { | |
| 760 version= HttpVersions.CACHE.get(version); | |
| 761 if (version==null) | |
| 762 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); | |
| 763 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 764 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 765 _request.setProtocol(version.toString()); | |
| 766 } | |
| 767 } | |
| 768 catch (Exception e) | |
| 769 { | |
| 770 LOG.debug("",e); | |
| 771 if (e instanceof HttpException) | |
| 772 throw (HttpException)e; | |
| 773 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 774 } | |
| 775 } | |
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776 |
| 826 | 777 /* ------------------------------------------------------------ */ |
| 778 protected void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 779 { | |
| 780 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 781 switch (ho) | |
| 782 { | |
| 783 case HttpHeaders.HOST_ORDINAL: | |
| 784 // TODO check if host matched a host in the URI. | |
| 785 _host = true; | |
| 786 break; | |
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787 |
| 826 | 788 case HttpHeaders.EXPECT_ORDINAL: |
| 789 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 790 { | |
| 791 value = HttpHeaderValues.CACHE.lookup(value); | |
| 792 switch(HttpHeaderValues.CACHE.getOrdinal(value)) | |
| 793 { | |
| 794 case HttpHeaderValues.CONTINUE_ORDINAL: | |
| 795 _expect100Continue=_generator instanceof HttpGenerator; | |
| 796 break; | |
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797 |
| 826 | 798 case HttpHeaderValues.PROCESSING_ORDINAL: |
| 799 _expect102Processing=_generator instanceof HttpGenerator; | |
| 800 break; | |
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801 |
| 826 | 802 default: |
| 803 String[] values = value.toString().split(","); | |
| 804 for (int i=0;values!=null && i<values.length;i++) | |
| 805 { | |
| 806 CachedBuffer cb=HttpHeaderValues.CACHE.get(values[i].trim()); | |
| 807 if (cb==null) | |
| 808 _expect=true; | |
| 809 else | |
| 810 { | |
| 811 switch(cb.getOrdinal()) | |
| 812 { | |
| 813 case HttpHeaderValues.CONTINUE_ORDINAL: | |
| 814 _expect100Continue=_generator instanceof HttpGenerator; | |
| 815 break; | |
| 816 case HttpHeaderValues.PROCESSING_ORDINAL: | |
| 817 _expect102Processing=_generator instanceof HttpGenerator; | |
| 818 break; | |
| 819 default: | |
| 820 _expect=true; | |
| 821 } | |
| 822 } | |
| 823 } | |
| 824 } | |
| 825 } | |
| 826 break; | |
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827 |
| 826 | 828 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 829 case HttpHeaders.USER_AGENT_ORDINAL: | |
| 830 value = HttpHeaderValues.CACHE.lookup(value); | |
| 831 break; | |
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832 |
| 826 | 833 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
| 834 value = MimeTypes.CACHE.lookup(value); | |
| 835 _charset=MimeTypes.getCharsetFromContentType(value); | |
| 836 break; | |
| 837 } | |
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838 |
| 826 | 839 _requestFields.add(name, value); |
| 840 } | |
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841 |
| 826 | 842 /* ------------------------------------------------------------ */ |
| 843 protected void headerComplete() throws IOException | |
| 844 { | |
| 845 // Handle idle race | |
| 846 if (_endp.isOutputShutdown()) | |
| 847 { | |
| 848 _endp.close(); | |
| 849 return; | |
| 850 } | |
| 851 | |
| 852 _requests++; | |
| 853 _generator.setVersion(_version); | |
| 854 switch (_version) | |
| 855 { | |
| 856 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 857 break; | |
| 858 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 859 _generator.setHead(_head); | |
| 860 if (_parser.isPersistent()) | |
| 861 { | |
| 862 _responseFields.add(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.KEEP_ALIVE_BUFFER); | |
| 863 _generator.setPersistent(true); | |
| 864 } | |
| 865 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 866 { | |
| 867 _generator.setPersistent(true); | |
| 868 _parser.setPersistent(true); | |
| 869 } | |
| 870 break; | |
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871 |
| 826 | 872 case HttpVersions.HTTP_1_1_ORDINAL: |
| 873 _generator.setHead(_head); | |
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874 |
| 826 | 875 if (!_parser.isPersistent()) |
| 876 { | |
| 877 _responseFields.add(HttpHeaders.CONNECTION_BUFFER,HttpHeaderValues.CLOSE_BUFFER); | |
| 878 _generator.setPersistent(false); | |
| 879 } | |
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|
880 |
| 826 | 881 if (!_host) |
| 882 { | |
| 883 LOG.debug("!host {}",this); | |
| 884 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
| 885 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 886 _generator.completeHeader(_responseFields, true); | |
| 887 _generator.complete(); | |
| 888 return; | |
| 889 } | |
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|
890 |
| 826 | 891 if (_expect) |
| 892 { | |
| 893 LOG.debug("!expectation {}",this); | |
| 894 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
| 895 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 896 _generator.completeHeader(_responseFields, true); | |
| 897 _generator.complete(); | |
| 898 return; | |
| 899 } | |
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|
900 |
| 826 | 901 break; |
| 902 default: | |
| 903 } | |
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|
904 |
| 826 | 905 if(_charset!=null) |
| 906 _request.setCharacterEncodingUnchecked(_charset); | |
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|
907 |
| 826 | 908 // Either handle now or wait for first content |
| 909 if ((((HttpParser)_parser).getContentLength()<=0 && !((HttpParser)_parser).isChunking())||_expect100Continue) | |
| 910 handleRequest(); | |
| 911 else | |
| 912 _delayedHandling=true; | |
| 913 } | |
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914 |
| 826 | 915 /* ------------------------------------------------------------ */ |
| 916 protected void content(Buffer buffer) throws IOException | |
| 917 { | |
| 918 if (_delayedHandling) | |
| 919 { | |
| 920 _delayedHandling=false; | |
| 921 handleRequest(); | |
| 922 } | |
| 923 } | |
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|
924 |
| 826 | 925 /* ------------------------------------------------------------ */ |
| 926 public void messageComplete(long contentLength) throws IOException | |
| 927 { | |
| 928 if (_delayedHandling) | |
| 929 { | |
| 930 _delayedHandling=false; | |
| 931 handleRequest(); | |
| 932 } | |
| 933 } | |
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934 |
| 826 | 935 /* ------------------------------------------------------------ */ |
| 936 public void earlyEOF() | |
| 937 { | |
| 938 _earlyEOF = true; | |
| 939 } | |
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940 |
| 826 | 941 /* ------------------------------------------------------------ */ |
| 942 /* ------------------------------------------------------------ */ | |
| 943 /* ------------------------------------------------------------ */ | |
| 944 private class RequestHandler extends HttpParser.EventHandler | |
| 945 { | |
| 946 /* | |
| 947 * | |
| 948 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startRequest(org.eclipse.io.Buffer, | |
| 949 * org.eclipse.io.Buffer, org.eclipse.io.Buffer) | |
| 950 */ | |
| 951 @Override | |
| 952 public void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 953 { | |
| 954 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 955 } | |
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|
956 |
| 826 | 957 /* |
| 958 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#parsedHeaderValue(org.eclipse.io.Buffer) | |
| 959 */ | |
| 960 @Override | |
| 961 public void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 962 { | |
| 963 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 964 } | |
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|
965 |
| 826 | 966 /* |
| 967 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#headerComplete() | |
| 968 */ | |
| 969 @Override | |
| 970 public void headerComplete() throws IOException | |
| 971 { | |
| 972 AbstractHttpConnection.this.headerComplete(); | |
| 973 } | |
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974 |
| 826 | 975 /* ------------------------------------------------------------ */ |
| 976 /* | |
| 977 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#content(int, org.eclipse.io.Buffer) | |
| 978 */ | |
| 979 @Override | |
| 980 public void content(Buffer ref) throws IOException | |
| 981 { | |
| 982 AbstractHttpConnection.this.content(ref); | |
| 983 } | |
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|
984 |
| 826 | 985 /* ------------------------------------------------------------ */ |
| 986 /* | |
| 987 * (non-Javadoc) | |
| 988 * | |
| 989 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#messageComplete(int) | |
| 990 */ | |
| 991 @Override | |
| 992 public void messageComplete(long contentLength) throws IOException | |
| 993 { | |
| 994 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 995 } | |
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|
996 |
| 826 | 997 /* ------------------------------------------------------------ */ |
| 998 /* | |
| 999 * (non-Javadoc) | |
| 1000 * | |
| 1001 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startResponse(org.eclipse.io.Buffer, int, | |
| 1002 * org.eclipse.io.Buffer) | |
| 1003 */ | |
| 1004 @Override | |
| 1005 public void startResponse(Buffer version, int status, Buffer reason) | |
| 1006 { | |
| 1007 if (LOG.isDebugEnabled()) | |
| 1008 LOG.debug("Bad request!: "+version+" "+status+" "+reason); | |
| 1009 } | |
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1010 |
| 826 | 1011 /* ------------------------------------------------------------ */ |
| 1012 /* | |
| 1013 * (non-Javadoc) | |
| 1014 * | |
| 1015 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#earlyEOF() | |
| 1016 */ | |
| 1017 @Override | |
| 1018 public void earlyEOF() | |
| 1019 { | |
| 1020 AbstractHttpConnection.this.earlyEOF(); | |
| 1021 } | |
| 1022 } | |
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|
1023 |
| 826 | 1024 /* ------------------------------------------------------------ */ |
| 1025 /* ------------------------------------------------------------ */ | |
| 1026 /* ------------------------------------------------------------ */ | |
| 1027 public class Output extends HttpOutput | |
| 1028 { | |
| 1029 Output() | |
| 1030 { | |
| 1031 super(AbstractHttpConnection.this); | |
| 1032 } | |
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|
1033 |
| 826 | 1034 /* ------------------------------------------------------------ */ |
| 1035 /* | |
| 1036 * @see java.io.OutputStream#close() | |
| 1037 */ | |
| 1038 @Override | |
| 1039 public void close() throws IOException | |
| 1040 { | |
| 1041 if (isClosed()) | |
| 1042 return; | |
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|
1043 |
| 826 | 1044 if (!isIncluding() && !super._generator.isCommitted()) |
| 1045 commitResponse(Generator.LAST); | |
| 1046 else | |
| 1047 flushResponse(); | |
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1048 |
| 826 | 1049 super.close(); |
| 1050 } | |
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1051 |
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1052 |
| 826 | 1053 /* ------------------------------------------------------------ */ |
| 1054 /* | |
| 1055 * @see java.io.OutputStream#flush() | |
| 1056 */ | |
| 1057 @Override | |
| 1058 public void flush() throws IOException | |
| 1059 { | |
| 1060 if (!super._generator.isCommitted()) | |
| 1061 commitResponse(Generator.MORE); | |
| 1062 super.flush(); | |
| 1063 } | |
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|
1064 |
| 826 | 1065 /* ------------------------------------------------------------ */ |
| 1066 /* | |
| 1067 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 1068 */ | |
| 1069 @Override | |
| 1070 public void print(String s) throws IOException | |
| 1071 { | |
| 1072 if (isClosed()) | |
| 1073 throw new IOException("Closed"); | |
| 1074 PrintWriter writer=getPrintWriter(null); | |
| 1075 writer.print(s); | |
| 1076 } | |
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|
1077 |
| 826 | 1078 /* ------------------------------------------------------------ */ |
| 1079 public void sendResponse(Buffer response) throws IOException | |
| 1080 { | |
| 1081 ((HttpGenerator)super._generator).sendResponse(response); | |
| 1082 } | |
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1083 |
| 826 | 1084 /* ------------------------------------------------------------ */ |
| 1085 public void sendContent(Object content) throws IOException | |
| 1086 { | |
| 1087 Resource resource=null; | |
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1088 |
| 826 | 1089 if (isClosed()) |
| 1090 throw new IOException("Closed"); | |
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1091 |
| 826 | 1092 if (super._generator.isWritten()) |
| 1093 throw new IllegalStateException("!empty"); | |
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1094 |
| 826 | 1095 if (content instanceof Resource) |
| 1096 { | |
| 1097 resource=(Resource)content; | |
| 1098 _responseFields.putDateField(HttpHeaders.LAST_MODIFIED_BUFFER, resource.lastModified()); | |
| 1099 content=resource.getInputStream(); | |
| 1100 } | |
| 1101 | |
| 1102 // Process content. | |
| 1103 if (content instanceof Buffer) | |
| 1104 { | |
| 1105 super._generator.addContent((Buffer) content, Generator.LAST); | |
| 1106 commitResponse(Generator.LAST); | |
| 1107 } | |
| 1108 else if (content instanceof InputStream) | |
| 1109 { | |
| 1110 InputStream in = (InputStream)content; | |
| 1111 | |
| 1112 try | |
| 1113 { | |
| 1114 int max = super._generator.prepareUncheckedAddContent(); | |
| 1115 Buffer buffer = super._generator.getUncheckedBuffer(); | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
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changeset
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1116 |
| 826 | 1117 int len=buffer.readFrom(in,max); |
|
802
3428c60d7cfc
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Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1118 |
| 826 | 1119 while (len>=0) |
| 1120 { | |
| 1121 super._generator.completeUncheckedAddContent(); | |
| 1122 _out.flush(); | |
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802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1123 |
| 826 | 1124 max = super._generator.prepareUncheckedAddContent(); |
| 1125 buffer = super._generator.getUncheckedBuffer(); | |
| 1126 len=buffer.readFrom(in,max); | |
| 1127 } | |
| 1128 super._generator.completeUncheckedAddContent(); | |
| 1129 _out.flush(); | |
| 1130 } | |
| 1131 finally | |
| 1132 { | |
| 1133 if (resource!=null) | |
| 1134 resource.release(); | |
| 1135 else | |
| 1136 in.close(); | |
| 1137 } | |
| 1138 } | |
| 1139 else | |
| 1140 throw new IllegalArgumentException("unknown content type?"); | |
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802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1141 |
|
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1142 |
| 826 | 1143 } |
| 1144 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1145 |
| 826 | 1146 /* ------------------------------------------------------------ */ |
| 1147 /* ------------------------------------------------------------ */ | |
| 1148 /* ------------------------------------------------------------ */ | |
| 1149 public class OutputWriter extends HttpWriter | |
| 1150 { | |
| 1151 OutputWriter() | |
| 1152 { | |
| 1153 super(AbstractHttpConnection.this._out); | |
| 1154 } | |
| 1155 } | |
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802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1156 |
|
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1157 |
|
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1158 } |