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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 838:3afa8da69187
remove PatternMatcher
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Fri, 16 Sep 2016 13:24:20 -0600 |
parents | 86338c0029a9 |
children | fef4392f4905 |
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.io.UncheckedPrintWriter; |
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57 import org.eclipse.jetty.server.handler.ErrorHandler; |
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58 import org.eclipse.jetty.server.nio.NIOConnector; |
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59 import org.eclipse.jetty.server.ssl.SslConnector; |
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60 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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61 import org.eclipse.jetty.util.StringUtil; |
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62 import org.eclipse.jetty.util.URIUtil; |
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63 import org.slf4j.Logger; |
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64 import org.slf4j.LoggerFactory; |
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65 import org.eclipse.jetty.util.resource.Resource; |
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66 |
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67 /** |
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68 * <p>A HttpConnection represents the connection of a HTTP client to the server |
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69 * and is created by an instance of a {@link Connector}. It's prime function is |
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70 * to associate {@link Request} and {@link Response} instances with a {@link EndPoint}. |
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71 * </p> |
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72 * <p> |
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73 * A connection is also the prime mechanism used by jetty to recycle objects without |
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74 * pooling. The {@link Request}, {@link Response}, {@link HttpParser}, {@link HttpGenerator} |
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75 * and {@link HttpFields} instances are all recycled for the duraction of |
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76 * a connection. Where appropriate, allocated buffers are also kept associated |
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77 * with the connection via the parser and/or generator. |
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78 * </p> |
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79 * <p> |
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80 * The connection state is held by 3 separate state machines: The request state, the |
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81 * response state and the continuation state. All three state machines must be driven |
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82 * to completion for every request, and all three can complete in any order. |
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83 * </p> |
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84 * <p> |
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85 * The HttpConnection support protocol upgrade. If on completion of a request, the |
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86 * response code is 101 (switch protocols), then the org.eclipse.jetty.io.Connection |
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87 * request attribute is checked to see if there is a new Connection instance. If so, |
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88 * the new connection is returned from {@link #handle()} and is used for future |
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89 * handling of the underlying connection. Note that for switching protocols that |
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90 * don't use 101 responses (eg CONNECT), the response should be sent and then the |
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91 * status code changed to 101 before returning from the handler. Implementors |
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92 * of new Connection types should be careful to extract any buffered data from |
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93 * (HttpParser)http.getParser()).getHeaderBuffer() and |
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94 * (HttpParser)http.getParser()).getBodyBuffer() to initialise their new connection. |
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95 * </p> |
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96 * |
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97 */ |
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98 public abstract class AbstractHttpConnection extends AbstractConnection |
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99 { |
826 | 100 private static final Logger LOG = LoggerFactory.getLogger(AbstractHttpConnection.class); |
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101 |
826 | 102 private static final int UNKNOWN = -2; |
103 private static final ThreadLocal<AbstractHttpConnection> __currentConnection = new ThreadLocal<AbstractHttpConnection>(); | |
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104 |
826 | 105 private int _requests; |
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106 |
826 | 107 protected final Connector _connector; |
108 protected final Server _server; | |
109 protected final HttpURI _uri; | |
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110 |
826 | 111 protected final Parser _parser; |
112 protected final HttpFields _requestFields; | |
113 protected final Request _request; | |
114 protected volatile ServletInputStream _in; | |
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115 |
826 | 116 protected final Generator _generator; |
117 protected final HttpFields _responseFields; | |
118 protected final Response _response; | |
119 protected volatile Output _out; | |
120 protected volatile OutputWriter _writer; | |
121 protected volatile PrintWriter _printWriter; | |
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122 |
826 | 123 int _include; |
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124 |
826 | 125 private Object _associatedObject; // associated object |
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126 |
826 | 127 private int _version = UNKNOWN; |
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128 |
826 | 129 private String _charset; |
130 private boolean _expect = false; | |
131 private boolean _expect100Continue = false; | |
132 private boolean _expect102Processing = false; | |
133 private boolean _head = false; | |
134 private boolean _host = false; | |
135 private boolean _delayedHandling=false; | |
136 private boolean _earlyEOF = false; | |
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137 |
826 | 138 /* ------------------------------------------------------------ */ |
139 public static AbstractHttpConnection getCurrentConnection() | |
140 { | |
141 return __currentConnection.get(); | |
142 } | |
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143 |
826 | 144 /* ------------------------------------------------------------ */ |
145 protected static void setCurrentConnection(AbstractHttpConnection connection) | |
146 { | |
147 __currentConnection.set(connection); | |
148 } | |
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149 |
826 | 150 /* ------------------------------------------------------------ */ |
151 public AbstractHttpConnection(Connector connector, EndPoint endpoint, Server server) | |
152 { | |
153 super(endpoint); | |
154 _uri = StringUtil.__UTF8.equals(URIUtil.__CHARSET)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); | |
155 _connector = connector; | |
156 HttpBuffers ab = (HttpBuffers)_connector; | |
157 _parser = newHttpParser(ab.getRequestBuffers(), endpoint, new RequestHandler()); | |
158 _requestFields = new HttpFields(); | |
159 _responseFields = new HttpFields(); | |
160 _request = new Request(this); | |
161 _response = new Response(this); | |
162 _generator = newHttpGenerator(ab.getResponseBuffers(), endpoint); | |
163 _generator.setSendServerVersion(server.getSendServerVersion()); | |
164 _server = server; | |
165 } | |
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166 |
826 | 167 /* ------------------------------------------------------------ */ |
168 protected AbstractHttpConnection(Connector connector, EndPoint endpoint, Server server, | |
169 Parser parser, Generator generator, Request request) | |
170 { | |
171 super(endpoint); | |
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172 |
826 | 173 _uri = URIUtil.__CHARSET.equals(StringUtil.__UTF8)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); |
174 _connector = connector; | |
175 _parser = parser; | |
176 _requestFields = new HttpFields(); | |
177 _responseFields = new HttpFields(); | |
178 _request = request; | |
179 _response = new Response(this); | |
180 _generator = generator; | |
181 _generator.setSendServerVersion(server.getSendServerVersion()); | |
182 _server = server; | |
183 } | |
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184 |
826 | 185 protected HttpParser newHttpParser(Buffers requestBuffers, EndPoint endpoint, HttpParser.EventHandler requestHandler) |
186 { | |
187 return new HttpParser(requestBuffers, endpoint, requestHandler); | |
188 } | |
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189 |
826 | 190 protected HttpGenerator newHttpGenerator(Buffers responseBuffers, EndPoint endPoint) |
191 { | |
192 return new HttpGenerator(responseBuffers, endPoint); | |
193 } | |
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194 |
826 | 195 /* ------------------------------------------------------------ */ |
196 /** | |
197 * @return the parser used by this connection | |
198 */ | |
199 public Parser getParser() | |
200 { | |
201 return _parser; | |
202 } | |
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203 |
826 | 204 /* ------------------------------------------------------------ */ |
205 /** | |
206 * @return the number of requests handled by this connection | |
207 */ | |
208 public int getRequests() | |
209 { | |
210 return _requests; | |
211 } | |
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212 |
826 | 213 /* ------------------------------------------------------------ */ |
214 public Server getServer() | |
215 { | |
216 return _server; | |
217 } | |
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218 |
826 | 219 /* ------------------------------------------------------------ */ |
220 /** | |
221 * @return Returns the associatedObject. | |
222 */ | |
223 public Object getAssociatedObject() | |
224 { | |
225 return _associatedObject; | |
226 } | |
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227 |
826 | 228 /* ------------------------------------------------------------ */ |
229 /** | |
230 * @param associatedObject The associatedObject to set. | |
231 */ | |
232 public void setAssociatedObject(Object associatedObject) | |
233 { | |
234 _associatedObject = associatedObject; | |
235 } | |
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236 |
826 | 237 /* ------------------------------------------------------------ */ |
238 /** | |
239 * @return Returns the connector. | |
240 */ | |
241 public Connector getConnector() | |
242 { | |
243 return _connector; | |
244 } | |
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245 |
826 | 246 /* ------------------------------------------------------------ */ |
247 /** | |
248 * @return Returns the requestFields. | |
249 */ | |
250 public HttpFields getRequestFields() | |
251 { | |
252 return _requestFields; | |
253 } | |
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254 |
826 | 255 /* ------------------------------------------------------------ */ |
256 /** | |
257 * @return Returns the responseFields. | |
258 */ | |
259 public HttpFields getResponseFields() | |
260 { | |
261 return _responseFields; | |
262 } | |
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263 |
826 | 264 /* ------------------------------------------------------------ */ |
265 /** | |
266 * Find out if the request supports CONFIDENTIAL security. | |
267 * @param request the incoming HTTP request | |
268 * @return the result of calling {@link Connector#isConfidential(Request)}, or false | |
269 * if there is no connector | |
270 */ | |
271 public boolean isConfidential(Request request) | |
272 { | |
273 return _connector != null && _connector.isConfidential(request); | |
274 } | |
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275 |
826 | 276 /* ------------------------------------------------------------ */ |
277 /** | |
278 * Find out if the request supports INTEGRAL security. | |
279 * @param request the incoming HTTP request | |
280 * @return the result of calling {@link Connector#isIntegral(Request)}, or false | |
281 * if there is no connector | |
282 */ | |
283 public boolean isIntegral(Request request) | |
284 { | |
285 return _connector != null && _connector.isIntegral(request); | |
286 } | |
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287 |
826 | 288 /* ------------------------------------------------------------ */ |
289 /** | |
290 * @return <code>false</code> (this method is not yet implemented) | |
291 */ | |
292 public boolean getResolveNames() | |
293 { | |
294 return _connector.getResolveNames(); | |
295 } | |
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296 |
826 | 297 /* ------------------------------------------------------------ */ |
298 /** | |
299 * @return Returns the request. | |
300 */ | |
301 public Request getRequest() | |
302 { | |
303 return _request; | |
304 } | |
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305 |
826 | 306 /* ------------------------------------------------------------ */ |
307 /** | |
308 * @return Returns the response. | |
309 */ | |
310 public Response getResponse() | |
311 { | |
312 return _response; | |
313 } | |
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314 |
826 | 315 /* ------------------------------------------------------------ */ |
316 /** | |
317 * Get the inputStream from the connection. | |
318 * <p> | |
319 * If the associated response has the Expect header set to 100 Continue, | |
320 * then accessing the input stream indicates that the handler/servlet | |
321 * is ready for the request body and thus a 100 Continue response is sent. | |
322 * | |
323 * @return The input stream for this connection. | |
324 * The stream will be created if it does not already exist. | |
325 * @throws IOException if the input stream cannot be retrieved | |
326 */ | |
327 public ServletInputStream getInputStream() throws IOException | |
328 { | |
329 // If the client is expecting 100 CONTINUE, then send it now. | |
330 if (_expect100Continue) | |
331 { | |
332 // is content missing? | |
333 if (((HttpParser)_parser).getHeaderBuffer()==null || ((HttpParser)_parser).getHeaderBuffer().length()<2) | |
334 { | |
335 if (_generator.isCommitted()) | |
336 throw new IllegalStateException("Committed before 100 Continues"); | |
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337 |
826 | 338 ((HttpGenerator)_generator).send1xx(HttpStatus.CONTINUE_100); |
339 } | |
340 _expect100Continue=false; | |
341 } | |
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342 |
826 | 343 if (_in == null) |
344 _in = new HttpInput(AbstractHttpConnection.this); | |
345 return _in; | |
346 } | |
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347 |
826 | 348 /* ------------------------------------------------------------ */ |
349 /** | |
350 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
351 */ | |
352 public ServletOutputStream getOutputStream() | |
353 { | |
354 if (_out == null) | |
355 _out = new Output(); | |
356 return _out; | |
357 } | |
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358 |
826 | 359 /* ------------------------------------------------------------ */ |
360 /** | |
361 * @param encoding the PrintWriter encoding | |
362 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
363 * does not already exist. | |
364 */ | |
365 public PrintWriter getPrintWriter(String encoding) | |
366 { | |
367 getOutputStream(); | |
368 if (_writer==null) | |
369 { | |
370 _writer=new OutputWriter(); | |
371 if (_server.isUncheckedPrintWriter()) | |
372 _printWriter=new UncheckedPrintWriter(_writer); | |
373 else | |
374 _printWriter = new PrintWriter(_writer) | |
375 { | |
376 public void close() | |
377 { | |
378 synchronized (lock) | |
379 { | |
380 try | |
381 { | |
382 out.close(); | |
383 } | |
384 catch (IOException e) | |
385 { | |
386 setError(); | |
387 } | |
388 } | |
389 } | |
390 }; | |
391 } | |
392 _writer.setCharacterEncoding(encoding); | |
393 return _printWriter; | |
394 } | |
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395 |
826 | 396 /* ------------------------------------------------------------ */ |
397 public boolean isResponseCommitted() | |
398 { | |
399 return _generator.isCommitted(); | |
400 } | |
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401 |
826 | 402 /* ------------------------------------------------------------ */ |
403 public boolean isEarlyEOF() | |
404 { | |
405 return _earlyEOF; | |
406 } | |
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407 |
826 | 408 /* ------------------------------------------------------------ */ |
409 public void reset() | |
410 { | |
411 _parser.reset(); | |
412 _parser.returnBuffers(); // TODO maybe only on unhandle | |
413 _requestFields.clear(); | |
414 _request.recycle(); | |
415 _generator.reset(); | |
416 _generator.returnBuffers();// TODO maybe only on unhandle | |
417 _responseFields.clear(); | |
418 _response.recycle(); | |
419 _uri.clear(); | |
420 _writer=null; | |
421 _earlyEOF = false; | |
422 } | |
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423 |
826 | 424 /* ------------------------------------------------------------ */ |
425 protected void handleRequest() throws IOException | |
426 { | |
427 boolean error = false; | |
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428 |
826 | 429 String threadName=null; |
430 Throwable async_exception=null; | |
431 try | |
432 { | |
433 if (LOG.isDebugEnabled()) | |
434 { | |
435 threadName=Thread.currentThread().getName(); | |
436 Thread.currentThread().setName(threadName+" - "+_uri); | |
437 } | |
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438 |
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439 |
826 | 440 // Loop here to handle async request redispatches. |
441 // The loop is controlled by the call to async.unhandle in the | |
442 // finally block below. If call is from a non-blocking connector, | |
443 // then the unhandle will return false only if an async dispatch has | |
444 // already happened when unhandle is called. For a blocking connector, | |
445 // the wait for the asynchronous dispatch or timeout actually happens | |
446 // within the call to unhandle(). | |
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447 |
826 | 448 final Server server=_server; |
449 boolean was_continuation=_request._async.isContinuation(); | |
450 boolean handling=_request._async.handling() && server!=null && server.isRunning(); | |
451 while (handling) | |
452 { | |
453 _request.setHandled(false); | |
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454 |
826 | 455 String info=null; |
456 try | |
457 { | |
458 _uri.getPort(); | |
459 String path = null; | |
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460 |
826 | 461 try |
462 { | |
463 path = _uri.getDecodedPath(); | |
464 } | |
465 catch (Exception e) | |
466 { | |
467 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); | |
468 LOG.trace("",e); | |
469 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); | |
470 } | |
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471 |
826 | 472 info=URIUtil.canonicalPath(path); |
473 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) | |
474 { | |
475 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) | |
476 { | |
477 info="/"; | |
478 _request.setRequestURI(""); | |
479 } | |
480 else | |
481 throw new HttpException(400); | |
482 } | |
483 _request.setPathInfo(info); | |
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484 |
826 | 485 if (_out!=null) |
486 _out.reopen(); | |
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487 |
826 | 488 if (_request._async.isInitial()) |
489 { | |
490 _request.setDispatcherType(DispatcherType.REQUEST); | |
491 _connector.customize(_endp, _request); | |
492 server.handle(this); | |
493 } | |
494 else | |
495 { | |
496 if (_request._async.isExpired()&&!was_continuation) | |
497 { | |
498 async_exception = (Throwable)_request.getAttribute(RequestDispatcher.ERROR_EXCEPTION); | |
499 _response.setStatus(500,async_exception==null?"Async Timeout":"Async Exception"); | |
500 _request.setAttribute(RequestDispatcher.ERROR_STATUS_CODE,new Integer(500)); | |
501 _request.setAttribute(RequestDispatcher.ERROR_MESSAGE, _response.getReason()); | |
502 _request.setDispatcherType(DispatcherType.ERROR); | |
503 } | |
504 else | |
505 _request.setDispatcherType(DispatcherType.ASYNC); | |
506 server.handleAsync(this); | |
507 } | |
508 } | |
509 catch (ContinuationThrowable e) | |
510 { | |
511 LOG.trace("",e); | |
512 } | |
513 catch (EofException e) | |
514 { | |
515 async_exception=e; | |
516 LOG.debug("",e); | |
517 error=true; | |
518 _request.setHandled(true); | |
519 if (!_response.isCommitted()) | |
520 _generator.sendError(500, null, null, true); | |
521 } | |
522 catch (RuntimeIOException e) | |
523 { | |
524 async_exception=e; | |
525 LOG.debug("",e); | |
526 error=true; | |
527 _request.setHandled(true); | |
528 } | |
529 catch (HttpException e) | |
530 { | |
531 LOG.debug("",e); | |
532 error=true; | |
533 _request.setHandled(true); | |
534 _response.sendError(e.getStatus(), e.getReason()); | |
535 } | |
536 catch (Throwable e) | |
537 { | |
538 async_exception=e; | |
539 LOG.warn(String.valueOf(_uri),e); | |
540 error=true; | |
541 _request.setHandled(true); | |
542 _generator.sendError(info==null?400:500, null, null, true); | |
543 | |
544 } | |
545 finally | |
546 { | |
547 // Complete async requests | |
548 if (error && _request.isAsyncStarted()) | |
549 _request.getAsyncContinuation().errorComplete(); | |
550 | |
551 was_continuation=_request._async.isContinuation(); | |
552 handling = !_request._async.unhandle() && server.isRunning() && _server!=null; | |
553 } | |
554 } | |
555 } | |
556 finally | |
557 { | |
558 if (threadName!=null) | |
559 Thread.currentThread().setName(threadName); | |
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560 |
826 | 561 if (_request._async.isUncompleted()) |
562 { | |
563 | |
564 _request._async.doComplete(async_exception); | |
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565 |
826 | 566 if (_expect100Continue) |
567 { | |
568 LOG.debug("100 continues not sent"); | |
569 // We didn't send 100 continues, but the latest interpretation | |
570 // of the spec (see httpbis) is that the client will either | |
571 // send the body anyway, or close. So we no longer need to | |
572 // do anything special here other than make the connection not persistent | |
573 _expect100Continue = false; | |
574 if (!_response.isCommitted()) | |
575 _generator.setPersistent(false); | |
576 } | |
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577 |
826 | 578 if(_endp.isOpen()) |
579 { | |
580 if (error) | |
581 { | |
582 _endp.shutdownOutput(); | |
583 _generator.setPersistent(false); | |
584 if (!_generator.isComplete()) | |
585 _response.complete(); | |
586 } | |
587 else | |
588 { | |
589 if (!_response.isCommitted() && !_request.isHandled()) | |
590 _response.sendError(HttpServletResponse.SC_NOT_FOUND); | |
591 _response.complete(); | |
592 if (_generator.isPersistent()) | |
593 _connector.persist(_endp); | |
594 } | |
595 } | |
596 else | |
597 { | |
598 _response.complete(); | |
599 } | |
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600 |
826 | 601 _request.setHandled(true); |
602 } | |
603 } | |
604 } | |
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605 |
826 | 606 /* ------------------------------------------------------------ */ |
607 public abstract Connection handle() throws IOException; | |
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608 |
826 | 609 /* ------------------------------------------------------------ */ |
610 public void commitResponse(boolean last) throws IOException | |
611 { | |
612 if (!_generator.isCommitted()) | |
613 { | |
614 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
615 try | |
616 { | |
617 // If the client was expecting 100 continues, but we sent something | |
618 // else, then we need to close the connection | |
619 if (_expect100Continue && _response.getStatus()!=100) | |
620 _generator.setPersistent(false); | |
621 _generator.completeHeader(_responseFields, last); | |
622 } | |
623 catch(RuntimeException e) | |
624 { | |
625 LOG.warn("header full: " + e); | |
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626 |
826 | 627 _response.reset(); |
628 _generator.reset(); | |
629 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
630 _generator.completeHeader(_responseFields,Generator.LAST); | |
631 _generator.complete(); | |
632 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
633 } | |
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634 |
826 | 635 } |
636 if (last) | |
637 _generator.complete(); | |
638 } | |
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639 |
826 | 640 /* ------------------------------------------------------------ */ |
641 public void completeResponse() throws IOException | |
642 { | |
643 if (!_generator.isCommitted()) | |
644 { | |
645 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
646 try | |
647 { | |
648 _generator.completeHeader(_responseFields, Generator.LAST); | |
649 } | |
650 catch(RuntimeException e) | |
651 { | |
652 LOG.warn("header full: "+e); | |
653 LOG.debug("",e); | |
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654 |
826 | 655 _response.reset(); |
656 _generator.reset(); | |
657 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
658 _generator.completeHeader(_responseFields,Generator.LAST); | |
659 _generator.complete(); | |
660 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
661 } | |
662 } | |
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663 |
826 | 664 _generator.complete(); |
665 } | |
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666 |
826 | 667 /* ------------------------------------------------------------ */ |
668 public void flushResponse() throws IOException | |
669 { | |
670 try | |
671 { | |
672 commitResponse(Generator.MORE); | |
673 _generator.flushBuffer(); | |
674 } | |
675 catch(IOException e) | |
676 { | |
677 throw (e instanceof EofException) ? e:new EofException(e); | |
678 } | |
679 } | |
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680 |
826 | 681 /* ------------------------------------------------------------ */ |
682 public Generator getGenerator() | |
683 { | |
684 return _generator; | |
685 } | |
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686 |
826 | 687 /* ------------------------------------------------------------ */ |
688 public boolean isIncluding() | |
689 { | |
690 return _include>0; | |
691 } | |
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692 |
826 | 693 /* ------------------------------------------------------------ */ |
694 public void include() | |
695 { | |
696 _include++; | |
697 } | |
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698 |
826 | 699 /* ------------------------------------------------------------ */ |
700 public void included() | |
701 { | |
702 _include--; | |
703 if (_out!=null) | |
704 _out.reopen(); | |
705 } | |
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706 |
826 | 707 /* ------------------------------------------------------------ */ |
708 public boolean isIdle() | |
709 { | |
710 return _generator.isIdle() && (_parser.isIdle() || _delayedHandling); | |
711 } | |
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712 |
826 | 713 /* ------------------------------------------------------------ */ |
714 /** | |
715 * @see org.eclipse.jetty.io.Connection#isSuspended() | |
716 */ | |
717 public boolean isSuspended() | |
718 { | |
719 return _request.getAsyncContinuation().isSuspended(); | |
720 } | |
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721 |
826 | 722 /* ------------------------------------------------------------ */ |
723 public void onClose() | |
724 { | |
725 LOG.debug("closed {}",this); | |
726 } | |
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727 |
826 | 728 /* ------------------------------------------------------------ */ |
729 public boolean isExpecting100Continues() | |
730 { | |
731 return _expect100Continue; | |
732 } | |
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733 |
826 | 734 /* ------------------------------------------------------------ */ |
735 public boolean isExpecting102Processing() | |
736 { | |
737 return _expect102Processing; | |
738 } | |
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739 |
826 | 740 /* ------------------------------------------------------------ */ |
741 public int getMaxIdleTime() | |
742 { | |
743 if (_connector.isLowResources() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) | |
744 return _connector.getLowResourceMaxIdleTime(); | |
745 if (_endp.getMaxIdleTime()>0) | |
746 return _endp.getMaxIdleTime(); | |
747 return _connector.getMaxIdleTime(); | |
748 } | |
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749 |
826 | 750 /* ------------------------------------------------------------ */ |
751 public String toString() | |
752 { | |
753 return String.format("%s,g=%s,p=%s,r=%d", | |
754 super.toString(), | |
755 _generator, | |
756 _parser, | |
757 _requests); | |
758 } | |
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759 |
826 | 760 /* ------------------------------------------------------------ */ |
761 protected void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
762 { | |
763 uri=uri.asImmutableBuffer(); | |
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764 |
826 | 765 _host = false; |
766 _expect = false; | |
767 _expect100Continue=false; | |
768 _expect102Processing=false; | |
769 _delayedHandling=false; | |
770 _charset=null; | |
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771 |
826 | 772 if(_request.getTimeStamp()==0) |
773 _request.setTimeStamp(System.currentTimeMillis()); | |
774 _request.setMethod(method.toString()); | |
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775 |
826 | 776 try |
777 { | |
778 _head=false; | |
779 switch (HttpMethods.CACHE.getOrdinal(method)) | |
780 { | |
781 case HttpMethods.CONNECT_ORDINAL: | |
782 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
783 break; | |
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784 |
826 | 785 case HttpMethods.HEAD_ORDINAL: |
786 _head=true; | |
787 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
788 break; | |
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789 |
826 | 790 default: |
791 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
792 } | |
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793 |
826 | 794 _request.setUri(_uri); |
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795 |
826 | 796 if (version==null) |
797 { | |
798 _request.setProtocol(HttpVersions.HTTP_0_9); | |
799 _version=HttpVersions.HTTP_0_9_ORDINAL; | |
800 } | |
801 else | |
802 { | |
803 version= HttpVersions.CACHE.get(version); | |
804 if (version==null) | |
805 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); | |
806 _version = HttpVersions.CACHE.getOrdinal(version); | |
807 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
808 _request.setProtocol(version.toString()); | |
809 } | |
810 } | |
811 catch (Exception e) | |
812 { | |
813 LOG.debug("",e); | |
814 if (e instanceof HttpException) | |
815 throw (HttpException)e; | |
816 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
817 } | |
818 } | |
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819 |
826 | 820 /* ------------------------------------------------------------ */ |
821 protected void parsedHeader(Buffer name, Buffer value) throws IOException | |
822 { | |
823 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
824 switch (ho) | |
825 { | |
826 case HttpHeaders.HOST_ORDINAL: | |
827 // TODO check if host matched a host in the URI. | |
828 _host = true; | |
829 break; | |
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830 |
826 | 831 case HttpHeaders.EXPECT_ORDINAL: |
832 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
833 { | |
834 value = HttpHeaderValues.CACHE.lookup(value); | |
835 switch(HttpHeaderValues.CACHE.getOrdinal(value)) | |
836 { | |
837 case HttpHeaderValues.CONTINUE_ORDINAL: | |
838 _expect100Continue=_generator instanceof HttpGenerator; | |
839 break; | |
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840 |
826 | 841 case HttpHeaderValues.PROCESSING_ORDINAL: |
842 _expect102Processing=_generator instanceof HttpGenerator; | |
843 break; | |
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844 |
826 | 845 default: |
846 String[] values = value.toString().split(","); | |
847 for (int i=0;values!=null && i<values.length;i++) | |
848 { | |
849 CachedBuffer cb=HttpHeaderValues.CACHE.get(values[i].trim()); | |
850 if (cb==null) | |
851 _expect=true; | |
852 else | |
853 { | |
854 switch(cb.getOrdinal()) | |
855 { | |
856 case HttpHeaderValues.CONTINUE_ORDINAL: | |
857 _expect100Continue=_generator instanceof HttpGenerator; | |
858 break; | |
859 case HttpHeaderValues.PROCESSING_ORDINAL: | |
860 _expect102Processing=_generator instanceof HttpGenerator; | |
861 break; | |
862 default: | |
863 _expect=true; | |
864 } | |
865 } | |
866 } | |
867 } | |
868 } | |
869 break; | |
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870 |
826 | 871 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
872 case HttpHeaders.USER_AGENT_ORDINAL: | |
873 value = HttpHeaderValues.CACHE.lookup(value); | |
874 break; | |
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875 |
826 | 876 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
877 value = MimeTypes.CACHE.lookup(value); | |
878 _charset=MimeTypes.getCharsetFromContentType(value); | |
879 break; | |
880 } | |
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881 |
826 | 882 _requestFields.add(name, value); |
883 } | |
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884 |
826 | 885 /* ------------------------------------------------------------ */ |
886 protected void headerComplete() throws IOException | |
887 { | |
888 // Handle idle race | |
889 if (_endp.isOutputShutdown()) | |
890 { | |
891 _endp.close(); | |
892 return; | |
893 } | |
894 | |
895 _requests++; | |
896 _generator.setVersion(_version); | |
897 switch (_version) | |
898 { | |
899 case HttpVersions.HTTP_0_9_ORDINAL: | |
900 break; | |
901 case HttpVersions.HTTP_1_0_ORDINAL: | |
902 _generator.setHead(_head); | |
903 if (_parser.isPersistent()) | |
904 { | |
905 _responseFields.add(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.KEEP_ALIVE_BUFFER); | |
906 _generator.setPersistent(true); | |
907 } | |
908 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
909 { | |
910 _generator.setPersistent(true); | |
911 _parser.setPersistent(true); | |
912 } | |
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913 |
826 | 914 if (_server.getSendDateHeader()) |
915 _generator.setDate(_request.getTimeStampBuffer()); | |
916 break; | |
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917 |
826 | 918 case HttpVersions.HTTP_1_1_ORDINAL: |
919 _generator.setHead(_head); | |
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920 |
826 | 921 if (!_parser.isPersistent()) |
922 { | |
923 _responseFields.add(HttpHeaders.CONNECTION_BUFFER,HttpHeaderValues.CLOSE_BUFFER); | |
924 _generator.setPersistent(false); | |
925 } | |
926 if (_server.getSendDateHeader()) | |
927 _generator.setDate(_request.getTimeStampBuffer()); | |
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928 |
826 | 929 if (!_host) |
930 { | |
931 LOG.debug("!host {}",this); | |
932 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
933 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
934 _generator.completeHeader(_responseFields, true); | |
935 _generator.complete(); | |
936 return; | |
937 } | |
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938 |
826 | 939 if (_expect) |
940 { | |
941 LOG.debug("!expectation {}",this); | |
942 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
943 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
944 _generator.completeHeader(_responseFields, true); | |
945 _generator.complete(); | |
946 return; | |
947 } | |
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948 |
826 | 949 break; |
950 default: | |
951 } | |
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952 |
826 | 953 if(_charset!=null) |
954 _request.setCharacterEncodingUnchecked(_charset); | |
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955 |
826 | 956 // Either handle now or wait for first content |
957 if ((((HttpParser)_parser).getContentLength()<=0 && !((HttpParser)_parser).isChunking())||_expect100Continue) | |
958 handleRequest(); | |
959 else | |
960 _delayedHandling=true; | |
961 } | |
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962 |
826 | 963 /* ------------------------------------------------------------ */ |
964 protected void content(Buffer buffer) throws IOException | |
965 { | |
966 if (_delayedHandling) | |
967 { | |
968 _delayedHandling=false; | |
969 handleRequest(); | |
970 } | |
971 } | |
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972 |
826 | 973 /* ------------------------------------------------------------ */ |
974 public void messageComplete(long contentLength) throws IOException | |
975 { | |
976 if (_delayedHandling) | |
977 { | |
978 _delayedHandling=false; | |
979 handleRequest(); | |
980 } | |
981 } | |
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982 |
826 | 983 /* ------------------------------------------------------------ */ |
984 public void earlyEOF() | |
985 { | |
986 _earlyEOF = true; | |
987 } | |
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|
988 |
826 | 989 /* ------------------------------------------------------------ */ |
990 /* ------------------------------------------------------------ */ | |
991 /* ------------------------------------------------------------ */ | |
992 private class RequestHandler extends HttpParser.EventHandler | |
993 { | |
994 /* | |
995 * | |
996 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startRequest(org.eclipse.io.Buffer, | |
997 * org.eclipse.io.Buffer, org.eclipse.io.Buffer) | |
998 */ | |
999 @Override | |
1000 public void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
1001 { | |
1002 AbstractHttpConnection.this.startRequest(method, uri, version); | |
1003 } | |
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1004 |
826 | 1005 /* |
1006 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#parsedHeaderValue(org.eclipse.io.Buffer) | |
1007 */ | |
1008 @Override | |
1009 public void parsedHeader(Buffer name, Buffer value) throws IOException | |
1010 { | |
1011 AbstractHttpConnection.this.parsedHeader(name, value); | |
1012 } | |
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1013 |
826 | 1014 /* |
1015 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#headerComplete() | |
1016 */ | |
1017 @Override | |
1018 public void headerComplete() throws IOException | |
1019 { | |
1020 AbstractHttpConnection.this.headerComplete(); | |
1021 } | |
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|
1022 |
826 | 1023 /* ------------------------------------------------------------ */ |
1024 /* | |
1025 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#content(int, org.eclipse.io.Buffer) | |
1026 */ | |
1027 @Override | |
1028 public void content(Buffer ref) throws IOException | |
1029 { | |
1030 AbstractHttpConnection.this.content(ref); | |
1031 } | |
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1032 |
826 | 1033 /* ------------------------------------------------------------ */ |
1034 /* | |
1035 * (non-Javadoc) | |
1036 * | |
1037 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#messageComplete(int) | |
1038 */ | |
1039 @Override | |
1040 public void messageComplete(long contentLength) throws IOException | |
1041 { | |
1042 AbstractHttpConnection.this.messageComplete(contentLength); | |
1043 } | |
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1044 |
826 | 1045 /* ------------------------------------------------------------ */ |
1046 /* | |
1047 * (non-Javadoc) | |
1048 * | |
1049 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#startResponse(org.eclipse.io.Buffer, int, | |
1050 * org.eclipse.io.Buffer) | |
1051 */ | |
1052 @Override | |
1053 public void startResponse(Buffer version, int status, Buffer reason) | |
1054 { | |
1055 if (LOG.isDebugEnabled()) | |
1056 LOG.debug("Bad request!: "+version+" "+status+" "+reason); | |
1057 } | |
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1058 |
826 | 1059 /* ------------------------------------------------------------ */ |
1060 /* | |
1061 * (non-Javadoc) | |
1062 * | |
1063 * @see org.eclipse.jetty.server.server.HttpParser.EventHandler#earlyEOF() | |
1064 */ | |
1065 @Override | |
1066 public void earlyEOF() | |
1067 { | |
1068 AbstractHttpConnection.this.earlyEOF(); | |
1069 } | |
1070 } | |
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|
1071 |
826 | 1072 /* ------------------------------------------------------------ */ |
1073 /* ------------------------------------------------------------ */ | |
1074 /* ------------------------------------------------------------ */ | |
1075 public class Output extends HttpOutput | |
1076 { | |
1077 Output() | |
1078 { | |
1079 super(AbstractHttpConnection.this); | |
1080 } | |
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|
1081 |
826 | 1082 /* ------------------------------------------------------------ */ |
1083 /* | |
1084 * @see java.io.OutputStream#close() | |
1085 */ | |
1086 @Override | |
1087 public void close() throws IOException | |
1088 { | |
1089 if (isClosed()) | |
1090 return; | |
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1091 |
826 | 1092 if (!isIncluding() && !super._generator.isCommitted()) |
1093 commitResponse(Generator.LAST); | |
1094 else | |
1095 flushResponse(); | |
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1096 |
826 | 1097 super.close(); |
1098 } | |
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1099 |
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1100 |
826 | 1101 /* ------------------------------------------------------------ */ |
1102 /* | |
1103 * @see java.io.OutputStream#flush() | |
1104 */ | |
1105 @Override | |
1106 public void flush() throws IOException | |
1107 { | |
1108 if (!super._generator.isCommitted()) | |
1109 commitResponse(Generator.MORE); | |
1110 super.flush(); | |
1111 } | |
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1112 |
826 | 1113 /* ------------------------------------------------------------ */ |
1114 /* | |
1115 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
1116 */ | |
1117 @Override | |
1118 public void print(String s) throws IOException | |
1119 { | |
1120 if (isClosed()) | |
1121 throw new IOException("Closed"); | |
1122 PrintWriter writer=getPrintWriter(null); | |
1123 writer.print(s); | |
1124 } | |
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1125 |
826 | 1126 /* ------------------------------------------------------------ */ |
1127 public void sendResponse(Buffer response) throws IOException | |
1128 { | |
1129 ((HttpGenerator)super._generator).sendResponse(response); | |
1130 } | |
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1131 |
826 | 1132 /* ------------------------------------------------------------ */ |
1133 public void sendContent(Object content) throws IOException | |
1134 { | |
1135 Resource resource=null; | |
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1136 |
826 | 1137 if (isClosed()) |
1138 throw new IOException("Closed"); | |
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1139 |
826 | 1140 if (super._generator.isWritten()) |
1141 throw new IllegalStateException("!empty"); | |
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1142 |
826 | 1143 if (content instanceof Resource) |
1144 { | |
1145 resource=(Resource)content; | |
1146 _responseFields.putDateField(HttpHeaders.LAST_MODIFIED_BUFFER, resource.lastModified()); | |
1147 content=resource.getInputStream(); | |
1148 } | |
1149 | |
1150 // Process content. | |
1151 if (content instanceof Buffer) | |
1152 { | |
1153 super._generator.addContent((Buffer) content, Generator.LAST); | |
1154 commitResponse(Generator.LAST); | |
1155 } | |
1156 else if (content instanceof InputStream) | |
1157 { | |
1158 InputStream in = (InputStream)content; | |
1159 | |
1160 try | |
1161 { | |
1162 int max = super._generator.prepareUncheckedAddContent(); | |
1163 Buffer buffer = super._generator.getUncheckedBuffer(); | |
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1164 |
826 | 1165 int len=buffer.readFrom(in,max); |
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1166 |
826 | 1167 while (len>=0) |
1168 { | |
1169 super._generator.completeUncheckedAddContent(); | |
1170 _out.flush(); | |
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1171 |
826 | 1172 max = super._generator.prepareUncheckedAddContent(); |
1173 buffer = super._generator.getUncheckedBuffer(); | |
1174 len=buffer.readFrom(in,max); | |
1175 } | |
1176 super._generator.completeUncheckedAddContent(); | |
1177 _out.flush(); | |
1178 } | |
1179 finally | |
1180 { | |
1181 if (resource!=null) | |
1182 resource.release(); | |
1183 else | |
1184 in.close(); | |
1185 } | |
1186 } | |
1187 else | |
1188 throw new IllegalArgumentException("unknown content type?"); | |
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1189 |
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1190 |
826 | 1191 } |
1192 } | |
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1193 |
826 | 1194 /* ------------------------------------------------------------ */ |
1195 /* ------------------------------------------------------------ */ | |
1196 /* ------------------------------------------------------------ */ | |
1197 public class OutputWriter extends HttpWriter | |
1198 { | |
1199 OutputWriter() | |
1200 { | |
1201 super(AbstractHttpConnection.this._out); | |
1202 } | |
1203 } | |
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1204 |
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1205 |
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1206 } |