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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 1023:27f3dc761452
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| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Tue, 01 Nov 2016 03:44:46 -0600 |
| parents | 3718afd99988 |
| children | cf0367978d8b |
| 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; |
| 985 | 24 import java.io.Writer; |
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25 |
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26 import javax.servlet.ServletInputStream; |
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27 import javax.servlet.ServletOutputStream; |
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28 import javax.servlet.http.HttpServletRequest; |
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29 import javax.servlet.http.HttpServletResponse; |
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30 |
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31 import org.eclipse.jetty.http.HttpException; |
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32 import org.eclipse.jetty.http.HttpFields; |
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33 import org.eclipse.jetty.http.HttpGenerator; |
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34 import org.eclipse.jetty.http.HttpHeaderValues; |
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35 import org.eclipse.jetty.http.HttpHeaders; |
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36 import org.eclipse.jetty.http.HttpMethods; |
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37 import org.eclipse.jetty.http.HttpParser; |
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38 import org.eclipse.jetty.http.HttpStatus; |
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39 import org.eclipse.jetty.http.HttpURI; |
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40 import org.eclipse.jetty.http.HttpVersions; |
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41 import org.eclipse.jetty.http.MimeTypes; |
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42 import org.eclipse.jetty.io.AbstractConnection; |
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43 import org.eclipse.jetty.io.Buffer; |
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44 import org.eclipse.jetty.io.Buffers; |
| 985 | 45 import org.eclipse.jetty.io.ByteArrayBuffer; |
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46 import org.eclipse.jetty.io.EndPoint; |
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47 import org.eclipse.jetty.io.EofException; |
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48 import org.eclipse.jetty.io.RuntimeIOException; |
| 985 | 49 import org.eclipse.jetty.util.ByteArrayOutputStream2; |
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50 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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51 import org.eclipse.jetty.util.StringUtil; |
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52 import org.eclipse.jetty.util.URIUtil; |
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53 import org.slf4j.Logger; |
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54 import org.slf4j.LoggerFactory; |
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55 import org.eclipse.jetty.util.resource.Resource; |
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56 |
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57 /** |
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58 * <p>A HttpConnection represents the connection of a HTTP client to the server |
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59 * and is created by an instance of a {@link Connector}. It's prime function is |
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60 * to associate {@link Request} and {@link Response} instances with a {@link EndPoint}. |
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61 * </p> |
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62 * <p> |
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63 * A connection is also the prime mechanism used by jetty to recycle objects without |
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64 * pooling. The {@link Request}, {@link Response}, {@link HttpParser}, {@link HttpGenerator} |
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65 * and {@link HttpFields} instances are all recycled for the duraction of |
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66 * a connection. Where appropriate, allocated buffers are also kept associated |
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67 * with the connection via the parser and/or generator. |
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68 * </p> |
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69 * <p> |
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70 * The connection state is held by 3 separate state machines: The request state, the |
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71 * response state and the continuation state. All three state machines must be driven |
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72 * to completion for every request, and all three can complete in any order. |
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73 * </p> |
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74 * <p> |
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75 * The HttpConnection support protocol upgrade. If on completion of a request, the |
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76 * response code is 101 (switch protocols), then the org.eclipse.jetty.io.Connection |
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77 * request attribute is checked to see if there is a new Connection instance. If so, |
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78 * the new connection is returned from {@link #handle()} and is used for future |
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79 * handling of the underlying connection. Note that for switching protocols that |
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80 * don't use 101 responses (eg CONNECT), the response should be sent and then the |
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81 * status code changed to 101 before returning from the handler. Implementors |
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82 * of new Connection types should be careful to extract any buffered data from |
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83 * (HttpParser)http.getParser()).getHeaderBuffer() and |
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84 * (HttpParser)http.getParser()).getBodyBuffer() to initialise their new connection. |
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85 * </p> |
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86 * |
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87 */ |
| 982 | 88 public abstract class AbstractHttpConnection extends AbstractConnection |
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89 { |
| 826 | 90 private static final Logger LOG = LoggerFactory.getLogger(AbstractHttpConnection.class); |
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91 |
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92 private final Connector _connector; |
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93 private final Server _server; |
| 1013 | 94 protected final HttpURI _uri = new HttpURI(); |
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95 |
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96 protected final HttpParser _parser; |
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97 protected final HttpFields _requestFields = new HttpFields(); |
| 1015 | 98 public volatile Request _request; |
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99 private volatile ServletInputStream _in; |
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100 |
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101 protected final HttpGenerator _generator; |
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102 final HttpFields _responseFields = new HttpFields(); |
| 1015 | 103 protected volatile Response _response; |
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104 private volatile Output _out; |
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105 private volatile HttpWriter _writer; |
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106 private volatile PrintWriter _printWriter; |
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107 |
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108 private int _version = -2; // UNKNOWN |
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109 |
| 826 | 110 private String _charset; |
| 111 private boolean _expect = false; | |
| 112 private boolean _expect100Continue = false; | |
| 113 private boolean _head = false; | |
| 114 private boolean _host = false; | |
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115 private boolean _delayedHandling = false; |
| 826 | 116 private boolean _earlyEOF = false; |
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117 |
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118 protected AbstractHttpConnection(Connector connector, EndPoint endpoint) |
| 826 | 119 { |
| 120 super(endpoint); | |
| 121 _connector = connector; | |
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122 _parser = new HttpParser(_connector.getRequestBuffers(), endpoint, new RequestHandler()); |
| 1015 | 123 _generator = new HttpGenerator(_connector.getResponseBuffers(), endpoint); |
| 124 _server = connector.server; | |
| 125 init(); | |
| 126 } | |
| 127 | |
| 128 private void init() { | |
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129 _request = new Request(this); |
| 826 | 130 _response = new Response(this); |
| 131 } | |
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132 |
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133 public final Connector getConnector() |
| 826 | 134 { |
| 135 return _connector; | |
| 136 } | |
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137 |
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138 public final Request getRequest() |
| 826 | 139 { |
| 140 return _request; | |
| 141 } | |
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142 |
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143 public final Response getResponse() |
| 826 | 144 { |
| 145 return _response; | |
| 146 } | |
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147 |
| 826 | 148 /* ------------------------------------------------------------ */ |
| 149 /** | |
| 150 * Get the inputStream from the connection. | |
| 151 * <p> | |
| 152 * If the associated response has the Expect header set to 100 Continue, | |
| 153 * then accessing the input stream indicates that the handler/servlet | |
| 154 * is ready for the request body and thus a 100 Continue response is sent. | |
| 155 * | |
| 156 * @return The input stream for this connection. | |
| 157 * The stream will be created if it does not already exist. | |
| 158 * @throws IOException if the input stream cannot be retrieved | |
| 159 */ | |
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160 public final ServletInputStream getInputStream() throws IOException |
| 826 | 161 { |
| 162 // If the client is expecting 100 CONTINUE, then send it now. | |
| 163 if (_expect100Continue) | |
| 164 { | |
| 165 // is content missing? | |
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166 if (_parser.getHeaderBuffer()==null || _parser.getHeaderBuffer().length()<2) |
| 826 | 167 { |
| 168 if (_generator.isCommitted()) | |
| 169 throw new IllegalStateException("Committed before 100 Continues"); | |
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170 |
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171 _generator.send1xx(HttpStatus.CONTINUE_100); |
| 826 | 172 } |
| 173 _expect100Continue=false; | |
| 174 } | |
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175 |
| 826 | 176 if (_in == null) |
| 981 | 177 _in = new HttpInput(); |
| 826 | 178 return _in; |
| 179 } | |
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180 |
| 826 | 181 /* ------------------------------------------------------------ */ |
| 182 /** | |
| 183 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
| 184 */ | |
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185 public final ServletOutputStream getOutputStream() |
| 826 | 186 { |
| 187 if (_out == null) | |
| 188 _out = new Output(); | |
| 189 return _out; | |
| 190 } | |
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191 |
| 826 | 192 /* ------------------------------------------------------------ */ |
| 193 /** | |
| 194 * @param encoding the PrintWriter encoding | |
| 195 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
| 196 * does not already exist. | |
| 197 */ | |
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198 public final PrintWriter getPrintWriter(String encoding) |
| 826 | 199 { |
| 200 getOutputStream(); | |
| 201 if (_writer==null) | |
| 202 { | |
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203 _writer = new HttpWriter(_out); |
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204 _printWriter = new PrintWriter(_writer) |
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205 { |
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206 public void close() |
| 826 | 207 { |
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208 synchronized (lock) |
| 826 | 209 { |
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210 try |
| 826 | 211 { |
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212 out.close(); |
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213 } |
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214 catch (IOException e) |
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215 { |
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216 setError(); |
| 826 | 217 } |
| 218 } | |
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219 } |
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220 }; |
| 826 | 221 } |
| 222 _writer.setCharacterEncoding(encoding); | |
| 223 return _printWriter; | |
| 224 } | |
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225 |
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226 protected void reset() |
| 826 | 227 { |
| 228 _parser.reset(); | |
| 229 _requestFields.clear(); | |
| 230 _generator.reset(); | |
| 231 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 232 _responseFields.clear(); | |
| 233 _uri.clear(); | |
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234 _writer = null; |
| 826 | 235 _earlyEOF = false; |
| 1015 | 236 init(); |
| 826 | 237 } |
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238 |
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239 private void handleRequest() throws IOException |
| 826 | 240 { |
| 241 boolean error = false; | |
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242 |
| 826 | 243 try |
| 244 { | |
| 245 // Loop here to handle async request redispatches. | |
| 246 // The loop is controlled by the call to async.unhandle in the | |
| 247 // finally block below. If call is from a non-blocking connector, | |
| 248 // then the unhandle will return false only if an async dispatch has | |
| 249 // already happened when unhandle is called. For a blocking connector, | |
| 250 // the wait for the asynchronous dispatch or timeout actually happens | |
| 251 // within the call to unhandle(). | |
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252 |
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253 _request.setHandled(false); |
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254 |
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255 String info=null; |
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256 try |
| 826 | 257 { |
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258 _uri.getPort(); |
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259 String path = null; |
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260 |
| 826 | 261 try |
| 262 { | |
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263 path = _uri.getDecodedPath(); |
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264 } |
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265 catch (Exception e) |
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266 { |
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267 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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268 LOG.trace("",e); |
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269 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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270 } |
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271 |
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272 info = URIUtil.canonicalPath(path); |
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273 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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274 { |
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275 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 276 { |
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277 info="/"; |
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278 _request.setRequestURI(""); |
| 826 | 279 } |
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280 else |
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281 throw new HttpException(400); |
| 826 | 282 } |
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283 _request.setPathInfo(info); |
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284 |
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285 if (_out!=null) |
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286 _out.reopen(); |
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287 |
| 1001 | 288 _connector.customize(this); |
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289 _server.handle(this); |
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290 } |
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291 catch (EofException e) |
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292 { |
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293 LOG.debug("",e); |
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294 error=true; |
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295 _request.setHandled(true); |
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296 if (!_response.isCommitted()) |
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297 _generator.sendError(500, null, null, true); |
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298 } |
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299 catch (RuntimeIOException e) |
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300 { |
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301 LOG.debug("",e); |
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302 error=true; |
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303 _request.setHandled(true); |
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304 } |
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305 catch (HttpException e) |
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306 { |
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307 LOG.debug("",e); |
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308 error=true; |
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309 _request.setHandled(true); |
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310 _response.sendError(e.getStatus(), e.getReason()); |
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311 } |
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312 catch (Throwable e) |
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313 { |
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314 LOG.warn(String.valueOf(_uri),e); |
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315 error=true; |
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316 _request.setHandled(true); |
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317 _generator.sendError(info==null?400:500, null, null, true); |
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318 |
| 826 | 319 } |
| 320 } | |
| 321 finally | |
| 322 { | |
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323 if (_expect100Continue) |
| 826 | 324 { |
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325 LOG.debug("100 continues not sent"); |
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326 // We didn't send 100 continues, but the latest interpretation |
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327 // of the spec (see httpbis) is that the client will either |
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328 // send the body anyway, or close. So we no longer need to |
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329 // do anything special here other than make the connection not persistent |
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330 _expect100Continue = false; |
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331 if (!_response.isCommitted()) |
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332 _generator.setPersistent(false); |
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333 } |
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334 |
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335 if(_endp.isOpen()) |
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336 { |
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337 if (error) |
| 826 | 338 { |
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339 _endp.shutdownOutput(); |
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340 _generator.setPersistent(false); |
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341 if (!_generator.isComplete()) |
| 826 | 342 _response.complete(); |
| 343 } | |
| 344 else | |
| 345 { | |
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346 if (!_response.isCommitted() && !_request.isHandled()) |
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347 _response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 826 | 348 _response.complete(); |
| 349 } | |
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350 } |
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351 else |
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352 { |
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353 _response.complete(); |
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354 } |
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355 |
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356 _request.setHandled(true); |
| 826 | 357 } |
| 358 } | |
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359 |
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360 |
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361 public final void commitResponse(boolean last) throws IOException |
| 826 | 362 { |
| 363 if (!_generator.isCommitted()) | |
| 364 { | |
| 365 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 366 try | |
| 367 { | |
| 368 // If the client was expecting 100 continues, but we sent something | |
| 369 // else, then we need to close the connection | |
| 370 if (_expect100Continue && _response.getStatus()!=100) | |
| 371 _generator.setPersistent(false); | |
| 372 _generator.completeHeader(_responseFields, last); | |
| 373 } | |
| 374 catch(RuntimeException e) | |
| 375 { | |
| 376 LOG.warn("header full: " + e); | |
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377 |
| 826 | 378 _response.reset(); |
| 379 _generator.reset(); | |
| 380 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 982 | 381 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 382 _generator.complete(); |
| 383 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 384 } | |
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385 |
| 826 | 386 } |
| 387 if (last) | |
| 388 _generator.complete(); | |
| 389 } | |
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390 |
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391 public final void completeResponse() throws IOException |
| 826 | 392 { |
| 393 if (!_generator.isCommitted()) | |
| 394 { | |
| 395 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 396 try | |
| 397 { | |
| 982 | 398 _generator.completeHeader(_responseFields, HttpGenerator.LAST); |
| 826 | 399 } |
| 400 catch(RuntimeException e) | |
| 401 { | |
| 402 LOG.warn("header full: "+e); | |
| 403 LOG.debug("",e); | |
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404 |
| 826 | 405 _response.reset(); |
| 406 _generator.reset(); | |
| 407 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 982 | 408 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 409 _generator.complete(); |
| 410 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 411 } | |
| 412 } | |
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413 |
| 826 | 414 _generator.complete(); |
| 415 } | |
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416 |
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417 public final void flushResponse() throws IOException |
| 826 | 418 { |
| 419 try | |
| 420 { | |
| 982 | 421 commitResponse(HttpGenerator.MORE); |
| 826 | 422 _generator.flushBuffer(); |
| 423 } | |
| 424 catch(IOException e) | |
| 425 { | |
| 426 throw (e instanceof EofException) ? e:new EofException(e); | |
| 427 } | |
| 428 } | |
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429 |
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430 public final int getMaxIdleTime() |
| 826 | 431 { |
| 996 | 432 if (_connector.server.isLowOnThreads() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) |
| 913 | 433 return 0; |
| 826 | 434 if (_endp.getMaxIdleTime()>0) |
| 435 return _endp.getMaxIdleTime(); | |
| 436 return _connector.getMaxIdleTime(); | |
| 437 } | |
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438 |
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439 @Override |
| 826 | 440 public String toString() |
| 441 { | |
| 1001 | 442 return String.format("%s,g=%s,p=%s", |
| 826 | 443 super.toString(), |
| 444 _generator, | |
| 1001 | 445 _parser); |
| 826 | 446 } |
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447 |
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448 private void startRequest(String method, Buffer uri, String version) throws IOException |
| 826 | 449 { |
| 450 uri=uri.asImmutableBuffer(); | |
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451 |
| 826 | 452 _host = false; |
| 453 _expect = false; | |
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454 _expect100Continue = false; |
| 826 | 455 _delayedHandling=false; |
| 456 _charset=null; | |
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457 |
| 826 | 458 if(_request.getTimeStamp()==0) |
| 459 _request.setTimeStamp(System.currentTimeMillis()); | |
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460 _request.setMethod(method); |
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461 |
| 826 | 462 try |
| 463 { | |
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464 _head = false; |
| 826 | 465 switch (HttpMethods.CACHE.getOrdinal(method)) |
| 466 { | |
| 467 case HttpMethods.CONNECT_ORDINAL: | |
| 468 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
| 469 break; | |
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470 |
| 826 | 471 case HttpMethods.HEAD_ORDINAL: |
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472 _head = true; |
| 826 | 473 _uri.parse(uri.array(), uri.getIndex(), uri.length()); |
| 474 break; | |
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475 |
| 826 | 476 default: |
| 477 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 478 } | |
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479 |
| 826 | 480 _request.setUri(_uri); |
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481 |
| 826 | 482 if (version==null) |
| 483 { | |
| 484 _request.setProtocol(HttpVersions.HTTP_0_9); | |
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485 _version = HttpVersions.HTTP_0_9_ORDINAL; |
| 826 | 486 } |
| 487 else | |
| 488 { | |
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489 if (!HttpVersions.CACHE.contains(version)) |
| 826 | 490 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); |
| 491 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 492 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 493 _request.setProtocol(version.toString()); | |
| 494 } | |
| 495 } | |
| 496 catch (Exception e) | |
| 497 { | |
| 498 LOG.debug("",e); | |
| 499 if (e instanceof HttpException) | |
| 500 throw (HttpException)e; | |
| 501 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 502 } | |
| 503 } | |
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504 |
| 1021 | 505 private void parsedHeader(String name, String value) throws IOException |
| 826 | 506 { |
| 507 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 508 switch (ho) | |
| 509 { | |
| 510 case HttpHeaders.HOST_ORDINAL: | |
| 511 // TODO check if host matched a host in the URI. | |
| 512 _host = true; | |
| 513 break; | |
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514 |
| 826 | 515 case HttpHeaders.EXPECT_ORDINAL: |
| 516 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 517 { | |
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518 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 519 switch(HttpHeaderValues.CACHE.getOrdinal(value)) |
| 520 { | |
| 521 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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522 _expect100Continue = true; |
| 826 | 523 break; |
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524 |
| 826 | 525 default: |
| 526 String[] values = value.toString().split(","); | |
| 527 for (int i=0;values!=null && i<values.length;i++) | |
| 528 { | |
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529 int cb = HttpHeaderValues.CACHE.getOrdinal(values[i].trim()); |
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530 if (cb == -1) |
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531 _expect = true; |
| 826 | 532 else |
| 533 { | |
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534 switch(cb) |
| 826 | 535 { |
| 536 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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537 _expect100Continue = true; |
| 826 | 538 break; |
| 539 default: | |
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540 _expect = true; |
| 826 | 541 } |
| 542 } | |
| 543 } | |
| 544 } | |
| 545 } | |
| 546 break; | |
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547 |
| 826 | 548 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 549 case HttpHeaders.USER_AGENT_ORDINAL: | |
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550 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 551 break; |
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552 |
| 826 | 553 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
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554 // value = MimeTypes.CACHE.lookup(value); |
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555 _charset = MimeTypes.getCharsetFromContentType(value); |
| 826 | 556 break; |
| 557 } | |
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558 |
| 826 | 559 _requestFields.add(name, value); |
| 560 } | |
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561 |
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562 private void headerComplete() throws IOException |
| 826 | 563 { |
| 564 // Handle idle race | |
| 565 if (_endp.isOutputShutdown()) | |
| 566 { | |
| 567 _endp.close(); | |
| 568 return; | |
| 569 } | |
| 570 | |
| 571 _generator.setVersion(_version); | |
| 572 switch (_version) | |
| 573 { | |
| 574 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 575 break; | |
| 576 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 577 _generator.setHead(_head); | |
| 578 if (_parser.isPersistent()) | |
| 579 { | |
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580 _responseFields.add(HttpHeaders.CONNECTION, HttpHeaderValues.KEEP_ALIVE); |
| 826 | 581 _generator.setPersistent(true); |
| 582 } | |
| 583 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 584 { | |
| 585 _generator.setPersistent(true); | |
| 586 _parser.setPersistent(true); | |
| 587 } | |
| 588 break; | |
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|
589 |
| 826 | 590 case HttpVersions.HTTP_1_1_ORDINAL: |
| 591 _generator.setHead(_head); | |
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592 |
| 826 | 593 if (!_parser.isPersistent()) |
| 594 { | |
|
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|
595 _responseFields.add(HttpHeaders.CONNECTION,HttpHeaderValues.CLOSE); |
| 826 | 596 _generator.setPersistent(false); |
| 597 } | |
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|
598 |
| 826 | 599 if (!_host) |
| 600 { | |
| 601 LOG.debug("!host {}",this); | |
| 602 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
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603 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 604 _generator.completeHeader(_responseFields, true); |
| 605 _generator.complete(); | |
| 606 return; | |
| 607 } | |
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|
608 |
| 826 | 609 if (_expect) |
| 610 { | |
| 611 LOG.debug("!expectation {}",this); | |
| 612 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
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613 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 614 _generator.completeHeader(_responseFields, true); |
| 615 _generator.complete(); | |
| 616 return; | |
| 617 } | |
|
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|
618 |
| 826 | 619 break; |
| 620 default: | |
| 621 } | |
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|
622 |
| 826 | 623 if(_charset!=null) |
| 624 _request.setCharacterEncodingUnchecked(_charset); | |
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|
625 |
| 826 | 626 // Either handle now or wait for first content |
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627 if ((_parser.getContentLength()<=0 && !_parser.isChunking())||_expect100Continue) |
| 826 | 628 handleRequest(); |
| 629 else | |
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630 _delayedHandling = true; |
| 826 | 631 } |
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632 |
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633 private void content(Buffer buffer) throws IOException |
| 826 | 634 { |
| 635 if (_delayedHandling) | |
| 636 { | |
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637 _delayedHandling = false; |
| 826 | 638 handleRequest(); |
| 639 } | |
| 640 } | |
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641 |
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642 private void messageComplete(long contentLength) throws IOException |
| 826 | 643 { |
| 644 if (_delayedHandling) | |
| 645 { | |
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646 _delayedHandling = false; |
| 826 | 647 handleRequest(); |
| 648 } | |
| 649 } | |
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650 |
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651 private void earlyEOF() |
| 826 | 652 { |
| 653 _earlyEOF = true; | |
| 654 } | |
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655 |
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|
656 |
| 980 | 657 private class RequestHandler implements HttpParser.EventHandler |
| 826 | 658 { |
| 659 @Override | |
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660 public void startRequest(String method, Buffer uri, String version) throws IOException |
| 826 | 661 { |
| 662 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 663 } | |
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|
664 |
| 826 | 665 @Override |
| 1021 | 666 public void parsedHeader(String name, String value) throws IOException |
| 826 | 667 { |
| 668 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 669 } | |
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|
670 |
| 826 | 671 @Override |
| 672 public void headerComplete() throws IOException | |
| 673 { | |
| 674 AbstractHttpConnection.this.headerComplete(); | |
| 675 } | |
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|
676 |
| 826 | 677 @Override |
| 678 public void content(Buffer ref) throws IOException | |
| 679 { | |
| 680 AbstractHttpConnection.this.content(ref); | |
| 681 } | |
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|
682 |
| 826 | 683 @Override |
| 684 public void messageComplete(long contentLength) throws IOException | |
| 685 { | |
| 686 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 687 } | |
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|
688 |
| 826 | 689 @Override |
| 690 public void earlyEOF() | |
| 691 { | |
| 692 AbstractHttpConnection.this.earlyEOF(); | |
| 693 } | |
| 694 } | |
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695 |
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|
696 |
| 985 | 697 public final class Output extends ServletOutputStream |
| 826 | 698 { |
| 985 | 699 private boolean _closed; |
| 700 private ByteArrayBuffer _onebyte; | |
| 701 | |
| 702 // These are held here for reuse by Writer | |
| 703 String _characterEncoding; | |
| 704 Writer _converter; | |
| 705 char[] _chars; | |
| 706 ByteArrayOutputStream2 _bytes; | |
| 707 | |
| 708 public final void reopen() | |
| 709 { | |
| 710 _closed = false; | |
| 711 } | |
| 712 | |
| 713 @Override | |
| 714 public final void write(byte[] b, int off, int len) throws IOException | |
| 715 { | |
| 716 write(new ByteArrayBuffer(b,off,len)); | |
| 717 } | |
| 718 | |
| 719 @Override | |
| 720 public final void write(byte[] b) throws IOException | |
| 721 { | |
| 722 write(new ByteArrayBuffer(b)); | |
| 723 } | |
| 724 | |
| 725 @Override | |
| 726 public final void write(int b) throws IOException | |
| 826 | 727 { |
| 985 | 728 if (_onebyte==null) |
| 729 _onebyte = new ByteArrayBuffer(1); | |
| 730 else | |
| 731 _onebyte.clear(); | |
| 732 _onebyte.put((byte)b); | |
| 733 write(_onebyte); | |
| 826 | 734 } |
| 985 | 735 |
| 736 private void write(Buffer buffer) throws IOException | |
| 737 { | |
| 738 if (_closed) | |
| 739 throw new IOException("Closed"); | |
| 740 if (!_generator.isOpen()) | |
| 741 throw new EofException(); | |
| 742 | |
| 743 // Block until we can add _content. | |
| 744 while (_generator.isBufferFull()) | |
| 745 { | |
| 746 _generator.blockForOutput(getMaxIdleTime()); | |
| 747 if (_closed) | |
| 748 throw new IOException("Closed"); | |
| 749 if (!_generator.isOpen()) | |
| 750 throw new EofException(); | |
| 751 } | |
| 752 | |
| 753 // Add the _content | |
| 754 _generator.addContent(buffer, HttpGenerator.MORE); | |
| 755 | |
| 756 // Have to flush and complete headers? | |
| 757 | |
| 758 if (_generator.isAllContentWritten()) | |
| 759 { | |
| 760 flush(); | |
| 761 close(); | |
| 762 } | |
| 763 else if (_generator.isBufferFull()) | |
| 764 commitResponse(HttpGenerator.MORE); | |
| 765 | |
| 766 // Block until our buffer is free | |
| 767 while (buffer.length() > 0 && _generator.isOpen()) | |
| 768 { | |
| 769 _generator.blockForOutput(getMaxIdleTime()); | |
| 770 } | |
| 771 } | |
| 772 | |
| 773 | |
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774 |
| 826 | 775 /* ------------------------------------------------------------ */ |
| 776 /* | |
| 777 * @see java.io.OutputStream#close() | |
| 778 */ | |
| 779 @Override | |
| 780 public void close() throws IOException | |
| 781 { | |
| 985 | 782 if (_closed) |
| 826 | 783 return; |
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784 |
| 985 | 785 if (!_generator.isCommitted()) |
| 982 | 786 commitResponse(HttpGenerator.LAST); |
| 826 | 787 else |
| 788 flushResponse(); | |
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789 |
| 985 | 790 _closed = true; |
| 826 | 791 } |
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792 |
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793 |
| 826 | 794 /* ------------------------------------------------------------ */ |
| 795 /* | |
| 796 * @see java.io.OutputStream#flush() | |
| 797 */ | |
| 798 @Override | |
| 799 public void flush() throws IOException | |
| 800 { | |
| 985 | 801 if (!_generator.isCommitted()) |
| 982 | 802 commitResponse(HttpGenerator.MORE); |
| 985 | 803 _generator.flush(getMaxIdleTime()); |
| 826 | 804 } |
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805 |
| 826 | 806 /* ------------------------------------------------------------ */ |
| 807 /* | |
| 808 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 809 */ | |
| 810 @Override | |
| 811 public void print(String s) throws IOException | |
| 812 { | |
| 985 | 813 if (_closed) |
| 826 | 814 throw new IOException("Closed"); |
| 985 | 815 PrintWriter writer = getPrintWriter(null); |
| 826 | 816 writer.print(s); |
| 817 } | |
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818 |
|
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819 public final void sendContent(InputStream in) throws IOException |
| 826 | 820 { |
| 985 | 821 if (_closed) |
| 826 | 822 throw new IOException("Closed"); |
|
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823 |
| 985 | 824 if (_generator.isWritten()) |
| 826 | 825 throw new IllegalStateException("!empty"); |
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826 |
|
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827 try |
| 826 | 828 { |
|
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|
829 int max = _generator.prepareUncheckedAddContent(); |
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|
830 Buffer buffer = _generator.getUncheckedBuffer(); |
| 826 | 831 |
|
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|
832 int len = buffer.readFrom(in,max); |
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833 |
|
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834 while (len>=0) |
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835 { |
| 985 | 836 _generator.completeUncheckedAddContent(); |
| 826 | 837 _out.flush(); |
|
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|
838 |
|
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839 max = _generator.prepareUncheckedAddContent(); |
|
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parents:
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|
840 buffer = _generator.getUncheckedBuffer(); |
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841 len=buffer.readFrom(in,max); |
| 826 | 842 } |
|
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|
843 _generator.completeUncheckedAddContent(); |
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|
844 _out.flush(); |
| 826 | 845 } |
|
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|
846 finally |
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|
847 { |
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|
848 in.close(); |
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|
849 } |
| 981 | 850 } |
| 851 } | |
|
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parents:
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|
852 |
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|
853 |
| 981 | 854 private final class HttpInput extends ServletInputStream |
| 855 { | |
| 856 /* ------------------------------------------------------------ */ | |
| 857 /* | |
| 858 * @see java.io.InputStream#read() | |
| 859 */ | |
| 860 @Override | |
| 861 public int read() throws IOException | |
| 862 { | |
| 863 byte[] bytes = new byte[1]; | |
| 864 int read = read(bytes, 0, 1); | |
| 865 return read < 0 ? -1 : 0xff & bytes[0]; | |
| 866 } | |
| 867 | |
| 868 /* ------------------------------------------------------------ */ | |
| 869 /* | |
| 870 * @see java.io.InputStream#read(byte[], int, int) | |
| 871 */ | |
| 872 @Override | |
| 873 public int read(byte[] b, int off, int len) throws IOException | |
| 874 { | |
| 875 int l = -1; | |
| 876 Buffer content = _parser.blockForContent(getMaxIdleTime()); | |
| 877 if (content!=null) | |
| 878 l = content.get(b, off, len); | |
| 879 else if (_earlyEOF) | |
| 880 throw new EofException("early EOF"); | |
| 881 return l; | |
| 882 } | |
| 883 | |
| 884 @Override | |
| 885 public int available() throws IOException | |
| 886 { | |
| 887 return _parser.available(); | |
| 826 | 888 } |
| 889 } | |
|
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parents:
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|
890 |
|
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|
891 } |