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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 980:bd26bd9320e2
simplify HttpParser
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Sun, 16 Oct 2016 21:01:26 -0600 |
| parents | c8cd3e96db5f |
| children | f46de416e219 |
| rev | line source |
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1 // |
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2 // ======================================================================== |
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
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4 // ------------------------------------------------------------------------ |
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5 // All rights reserved. This program and the accompanying materials |
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6 // are made available under the terms of the Eclipse Public License v1.0 |
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7 // and Apache License v2.0 which accompanies this distribution. |
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8 // |
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9 // The Eclipse Public License is available at |
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10 // http://www.eclipse.org/legal/epl-v10.html |
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11 // |
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12 // The Apache License v2.0 is available at |
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13 // http://www.opensource.org/licenses/apache2.0.php |
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14 // |
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15 // You may elect to redistribute this code under either of these licenses. |
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16 // ======================================================================== |
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17 // |
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18 |
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19 package org.eclipse.jetty.server; |
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20 |
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21 import java.io.IOException; |
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22 import java.io.InputStream; |
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23 import java.io.PrintWriter; |
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24 |
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25 import javax.servlet.DispatcherType; |
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26 import javax.servlet.RequestDispatcher; |
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27 import javax.servlet.ServletInputStream; |
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28 import javax.servlet.ServletOutputStream; |
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29 import javax.servlet.http.HttpServletRequest; |
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30 import javax.servlet.http.HttpServletResponse; |
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31 |
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32 import org.eclipse.jetty.http.EncodedHttpURI; |
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33 import org.eclipse.jetty.http.Generator; |
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34 import org.eclipse.jetty.http.HttpBuffers; |
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35 import org.eclipse.jetty.http.HttpException; |
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36 import org.eclipse.jetty.http.HttpFields; |
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37 import org.eclipse.jetty.http.HttpGenerator; |
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38 import org.eclipse.jetty.http.HttpHeaderValues; |
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39 import org.eclipse.jetty.http.HttpHeaders; |
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40 import org.eclipse.jetty.http.HttpMethods; |
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41 import org.eclipse.jetty.http.HttpParser; |
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42 import org.eclipse.jetty.http.HttpStatus; |
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43 import org.eclipse.jetty.http.HttpURI; |
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44 import org.eclipse.jetty.http.HttpVersions; |
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45 import org.eclipse.jetty.http.MimeTypes; |
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46 import org.eclipse.jetty.io.AbstractConnection; |
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47 import org.eclipse.jetty.io.Buffer; |
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48 import org.eclipse.jetty.io.BufferCache.CachedBuffer; |
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49 import org.eclipse.jetty.io.Buffers; |
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50 import org.eclipse.jetty.io.EndPoint; |
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51 import org.eclipse.jetty.io.EofException; |
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52 import org.eclipse.jetty.io.RuntimeIOException; |
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53 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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54 import org.eclipse.jetty.util.StringUtil; |
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55 import org.eclipse.jetty.util.URIUtil; |
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56 import org.slf4j.Logger; |
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57 import org.slf4j.LoggerFactory; |
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58 import org.eclipse.jetty.util.resource.Resource; |
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59 |
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60 /** |
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61 * <p>A HttpConnection represents the connection of a HTTP client to the server |
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62 * and is created by an instance of a {@link Connector}. It's prime function is |
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63 * to associate {@link Request} and {@link Response} instances with a {@link EndPoint}. |
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64 * </p> |
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65 * <p> |
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66 * A connection is also the prime mechanism used by jetty to recycle objects without |
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67 * pooling. The {@link Request}, {@link Response}, {@link HttpParser}, {@link HttpGenerator} |
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68 * and {@link HttpFields} instances are all recycled for the duraction of |
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69 * a connection. Where appropriate, allocated buffers are also kept associated |
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70 * with the connection via the parser and/or generator. |
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71 * </p> |
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72 * <p> |
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73 * The connection state is held by 3 separate state machines: The request state, the |
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74 * response state and the continuation state. All three state machines must be driven |
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75 * to completion for every request, and all three can complete in any order. |
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76 * </p> |
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77 * <p> |
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78 * The HttpConnection support protocol upgrade. If on completion of a request, the |
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79 * response code is 101 (switch protocols), then the org.eclipse.jetty.io.Connection |
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80 * request attribute is checked to see if there is a new Connection instance. If so, |
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81 * the new connection is returned from {@link #handle()} and is used for future |
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82 * handling of the underlying connection. Note that for switching protocols that |
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83 * don't use 101 responses (eg CONNECT), the response should be sent and then the |
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84 * status code changed to 101 before returning from the handler. Implementors |
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85 * of new Connection types should be careful to extract any buffered data from |
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86 * (HttpParser)http.getParser()).getHeaderBuffer() and |
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87 * (HttpParser)http.getParser()).getBodyBuffer() to initialise their new connection. |
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88 * </p> |
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89 * |
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90 */ |
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91 public abstract class AbstractHttpConnection extends AbstractConnection |
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92 { |
| 826 | 93 private static final Logger LOG = LoggerFactory.getLogger(AbstractHttpConnection.class); |
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94 |
| 826 | 95 private int _requests; |
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96 |
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97 private final Connector _connector; |
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98 private final Server _server; |
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99 protected final HttpURI _uri = StringUtil.__UTF8.equals(URIUtil.__CHARSET)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); |
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100 |
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101 protected final HttpParser _parser; |
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102 protected final HttpFields _requestFields = new HttpFields(); |
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103 private final Request _request; |
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104 private volatile ServletInputStream _in; |
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105 |
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106 protected final HttpGenerator _generator; |
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107 final HttpFields _responseFields = new HttpFields(); |
| 826 | 108 protected final Response _response; |
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109 private volatile Output _out; |
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110 private volatile HttpWriter _writer; |
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111 private volatile PrintWriter _printWriter; |
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112 |
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113 private int _version = -2; // UNKNOWN |
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114 |
| 826 | 115 private String _charset; |
| 116 private boolean _expect = false; | |
| 117 private boolean _expect100Continue = false; | |
| 118 private boolean _expect102Processing = false; | |
| 119 private boolean _head = false; | |
| 120 private boolean _host = false; | |
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121 private boolean _delayedHandling = false; |
| 826 | 122 private boolean _earlyEOF = false; |
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123 |
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124 protected AbstractHttpConnection(Connector connector, EndPoint endpoint) |
| 826 | 125 { |
| 126 super(endpoint); | |
| 127 _connector = connector; | |
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128 HttpBuffers ab = _connector; |
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129 _parser = new HttpParser(ab.getRequestBuffers(), endpoint, new RequestHandler()); |
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130 _request = new Request(this); |
| 826 | 131 _response = new Response(this); |
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132 _generator = new HttpGenerator(ab.getResponseBuffers(), endpoint); |
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133 _server = connector.server; |
| 826 | 134 } |
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135 |
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136 public final Connector getConnector() |
| 826 | 137 { |
| 138 return _connector; | |
| 139 } | |
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140 |
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141 public final Request getRequest() |
| 826 | 142 { |
| 143 return _request; | |
| 144 } | |
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145 |
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146 public final Response getResponse() |
| 826 | 147 { |
| 148 return _response; | |
| 149 } | |
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150 |
| 826 | 151 /* ------------------------------------------------------------ */ |
| 152 /** | |
| 153 * Get the inputStream from the connection. | |
| 154 * <p> | |
| 155 * If the associated response has the Expect header set to 100 Continue, | |
| 156 * then accessing the input stream indicates that the handler/servlet | |
| 157 * is ready for the request body and thus a 100 Continue response is sent. | |
| 158 * | |
| 159 * @return The input stream for this connection. | |
| 160 * The stream will be created if it does not already exist. | |
| 161 * @throws IOException if the input stream cannot be retrieved | |
| 162 */ | |
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163 public final ServletInputStream getInputStream() throws IOException |
| 826 | 164 { |
| 165 // If the client is expecting 100 CONTINUE, then send it now. | |
| 166 if (_expect100Continue) | |
| 167 { | |
| 168 // is content missing? | |
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169 if (_parser.getHeaderBuffer()==null || _parser.getHeaderBuffer().length()<2) |
| 826 | 170 { |
| 171 if (_generator.isCommitted()) | |
| 172 throw new IllegalStateException("Committed before 100 Continues"); | |
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173 |
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174 _generator.send1xx(HttpStatus.CONTINUE_100); |
| 826 | 175 } |
| 176 _expect100Continue=false; | |
| 177 } | |
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178 |
| 826 | 179 if (_in == null) |
| 180 _in = new HttpInput(AbstractHttpConnection.this); | |
| 181 return _in; | |
| 182 } | |
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183 |
| 826 | 184 /* ------------------------------------------------------------ */ |
| 185 /** | |
| 186 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
| 187 */ | |
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188 public final ServletOutputStream getOutputStream() |
| 826 | 189 { |
| 190 if (_out == null) | |
| 191 _out = new Output(); | |
| 192 return _out; | |
| 193 } | |
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194 |
| 826 | 195 /* ------------------------------------------------------------ */ |
| 196 /** | |
| 197 * @param encoding the PrintWriter encoding | |
| 198 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
| 199 * does not already exist. | |
| 200 */ | |
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201 public final PrintWriter getPrintWriter(String encoding) |
| 826 | 202 { |
| 203 getOutputStream(); | |
| 204 if (_writer==null) | |
| 205 { | |
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206 _writer = new HttpWriter(_out); |
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207 _printWriter = new PrintWriter(_writer) |
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208 { |
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209 public void close() |
| 826 | 210 { |
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211 synchronized (lock) |
| 826 | 212 { |
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213 try |
| 826 | 214 { |
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215 out.close(); |
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216 } |
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217 catch (IOException e) |
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218 { |
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219 setError(); |
| 826 | 220 } |
| 221 } | |
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222 } |
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223 }; |
| 826 | 224 } |
| 225 _writer.setCharacterEncoding(encoding); | |
| 226 return _printWriter; | |
| 227 } | |
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228 |
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229 public final boolean isEarlyEOF() |
| 826 | 230 { |
| 231 return _earlyEOF; | |
| 232 } | |
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233 |
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234 protected void reset() |
| 826 | 235 { |
| 236 _parser.reset(); | |
| 237 _parser.returnBuffers(); // TODO maybe only on unhandle | |
| 238 _requestFields.clear(); | |
| 239 _request.recycle(); | |
| 240 _generator.reset(); | |
| 241 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 242 _responseFields.clear(); | |
| 243 _response.recycle(); | |
| 244 _uri.clear(); | |
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245 _writer = null; |
| 826 | 246 _earlyEOF = false; |
| 247 } | |
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248 |
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249 private void handleRequest() throws IOException |
| 826 | 250 { |
| 251 boolean error = false; | |
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252 |
| 826 | 253 try |
| 254 { | |
| 255 // Loop here to handle async request redispatches. | |
| 256 // The loop is controlled by the call to async.unhandle in the | |
| 257 // finally block below. If call is from a non-blocking connector, | |
| 258 // then the unhandle will return false only if an async dispatch has | |
| 259 // already happened when unhandle is called. For a blocking connector, | |
| 260 // the wait for the asynchronous dispatch or timeout actually happens | |
| 261 // within the call to unhandle(). | |
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262 |
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263 _request.setHandled(false); |
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264 |
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265 String info=null; |
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266 try |
| 826 | 267 { |
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268 _uri.getPort(); |
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269 String path = null; |
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270 |
| 826 | 271 try |
| 272 { | |
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273 path = _uri.getDecodedPath(); |
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274 } |
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275 catch (Exception e) |
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276 { |
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277 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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278 LOG.trace("",e); |
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279 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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280 } |
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281 |
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282 info = URIUtil.canonicalPath(path); |
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283 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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284 { |
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285 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 286 { |
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287 info="/"; |
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288 _request.setRequestURI(""); |
| 826 | 289 } |
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290 else |
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291 throw new HttpException(400); |
| 826 | 292 } |
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293 _request.setPathInfo(info); |
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294 |
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295 if (_out!=null) |
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296 _out.reopen(); |
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297 |
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298 _request.setDispatcherType(DispatcherType.REQUEST); |
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299 _connector.customize(_endp, _request); |
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300 _server.handle(this); |
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301 } |
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302 catch (EofException e) |
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303 { |
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304 LOG.debug("",e); |
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305 error=true; |
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306 _request.setHandled(true); |
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307 if (!_response.isCommitted()) |
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308 _generator.sendError(500, null, null, true); |
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309 } |
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310 catch (RuntimeIOException e) |
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311 { |
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312 LOG.debug("",e); |
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313 error=true; |
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314 _request.setHandled(true); |
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315 } |
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316 catch (HttpException e) |
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317 { |
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318 LOG.debug("",e); |
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319 error=true; |
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320 _request.setHandled(true); |
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321 _response.sendError(e.getStatus(), e.getReason()); |
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322 } |
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323 catch (Throwable e) |
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324 { |
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325 LOG.warn(String.valueOf(_uri),e); |
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326 error=true; |
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327 _request.setHandled(true); |
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328 _generator.sendError(info==null?400:500, null, null, true); |
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329 |
| 826 | 330 } |
| 331 } | |
| 332 finally | |
| 333 { | |
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334 if (_expect100Continue) |
| 826 | 335 { |
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336 LOG.debug("100 continues not sent"); |
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337 // We didn't send 100 continues, but the latest interpretation |
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338 // of the spec (see httpbis) is that the client will either |
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339 // send the body anyway, or close. So we no longer need to |
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340 // do anything special here other than make the connection not persistent |
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341 _expect100Continue = false; |
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342 if (!_response.isCommitted()) |
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343 _generator.setPersistent(false); |
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344 } |
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345 |
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346 if(_endp.isOpen()) |
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347 { |
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348 if (error) |
| 826 | 349 { |
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350 _endp.shutdownOutput(); |
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351 _generator.setPersistent(false); |
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352 if (!_generator.isComplete()) |
| 826 | 353 _response.complete(); |
| 354 } | |
| 355 else | |
| 356 { | |
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357 if (!_response.isCommitted() && !_request.isHandled()) |
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358 _response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 826 | 359 _response.complete(); |
| 360 } | |
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361 } |
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362 else |
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363 { |
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364 _response.complete(); |
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365 } |
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366 |
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367 _request.setHandled(true); |
| 826 | 368 } |
| 369 } | |
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370 |
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371 |
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372 public final void commitResponse(boolean last) throws IOException |
| 826 | 373 { |
| 374 if (!_generator.isCommitted()) | |
| 375 { | |
| 376 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 377 try | |
| 378 { | |
| 379 // If the client was expecting 100 continues, but we sent something | |
| 380 // else, then we need to close the connection | |
| 381 if (_expect100Continue && _response.getStatus()!=100) | |
| 382 _generator.setPersistent(false); | |
| 383 _generator.completeHeader(_responseFields, last); | |
| 384 } | |
| 385 catch(RuntimeException e) | |
| 386 { | |
| 387 LOG.warn("header full: " + e); | |
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388 |
| 826 | 389 _response.reset(); |
| 390 _generator.reset(); | |
| 391 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 392 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 393 _generator.complete(); | |
| 394 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 395 } | |
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396 |
| 826 | 397 } |
| 398 if (last) | |
| 399 _generator.complete(); | |
| 400 } | |
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401 |
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402 public final void completeResponse() throws IOException |
| 826 | 403 { |
| 404 if (!_generator.isCommitted()) | |
| 405 { | |
| 406 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 407 try | |
| 408 { | |
| 409 _generator.completeHeader(_responseFields, Generator.LAST); | |
| 410 } | |
| 411 catch(RuntimeException e) | |
| 412 { | |
| 413 LOG.warn("header full: "+e); | |
| 414 LOG.debug("",e); | |
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415 |
| 826 | 416 _response.reset(); |
| 417 _generator.reset(); | |
| 418 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 419 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 420 _generator.complete(); | |
| 421 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 422 } | |
| 423 } | |
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424 |
| 826 | 425 _generator.complete(); |
| 426 } | |
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427 |
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428 public final void flushResponse() throws IOException |
| 826 | 429 { |
| 430 try | |
| 431 { | |
| 432 commitResponse(Generator.MORE); | |
| 433 _generator.flushBuffer(); | |
| 434 } | |
| 435 catch(IOException e) | |
| 436 { | |
| 437 throw (e instanceof EofException) ? e:new EofException(e); | |
| 438 } | |
| 439 } | |
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440 |
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441 public final boolean isExpecting102Processing() |
| 826 | 442 { |
| 443 return _expect102Processing; | |
| 444 } | |
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445 |
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446 public final int getMaxIdleTime() |
| 826 | 447 { |
| 448 if (_connector.isLowResources() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) | |
| 913 | 449 return 0; |
| 826 | 450 if (_endp.getMaxIdleTime()>0) |
| 451 return _endp.getMaxIdleTime(); | |
| 452 return _connector.getMaxIdleTime(); | |
| 453 } | |
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454 |
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455 @Override |
| 826 | 456 public String toString() |
| 457 { | |
| 458 return String.format("%s,g=%s,p=%s,r=%d", | |
| 459 super.toString(), | |
| 460 _generator, | |
| 461 _parser, | |
| 462 _requests); | |
| 463 } | |
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464 |
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465 private void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException |
| 826 | 466 { |
| 467 uri=uri.asImmutableBuffer(); | |
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468 |
| 826 | 469 _host = false; |
| 470 _expect = false; | |
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471 _expect100Continue = false; |
| 826 | 472 _expect102Processing=false; |
| 473 _delayedHandling=false; | |
| 474 _charset=null; | |
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475 |
| 826 | 476 if(_request.getTimeStamp()==0) |
| 477 _request.setTimeStamp(System.currentTimeMillis()); | |
| 478 _request.setMethod(method.toString()); | |
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479 |
| 826 | 480 try |
| 481 { | |
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482 _head = false; |
| 826 | 483 switch (HttpMethods.CACHE.getOrdinal(method)) |
| 484 { | |
| 485 case HttpMethods.CONNECT_ORDINAL: | |
| 486 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
| 487 break; | |
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488 |
| 826 | 489 case HttpMethods.HEAD_ORDINAL: |
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490 _head = true; |
| 826 | 491 _uri.parse(uri.array(), uri.getIndex(), uri.length()); |
| 492 break; | |
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493 |
| 826 | 494 default: |
| 495 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 496 } | |
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497 |
| 826 | 498 _request.setUri(_uri); |
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499 |
| 826 | 500 if (version==null) |
| 501 { | |
| 502 _request.setProtocol(HttpVersions.HTTP_0_9); | |
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503 _version = HttpVersions.HTTP_0_9_ORDINAL; |
| 826 | 504 } |
| 505 else | |
| 506 { | |
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507 version = HttpVersions.CACHE.get(version); |
| 826 | 508 if (version==null) |
| 509 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); | |
| 510 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 511 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 512 _request.setProtocol(version.toString()); | |
| 513 } | |
| 514 } | |
| 515 catch (Exception e) | |
| 516 { | |
| 517 LOG.debug("",e); | |
| 518 if (e instanceof HttpException) | |
| 519 throw (HttpException)e; | |
| 520 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 521 } | |
| 522 } | |
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523 |
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524 private void parsedHeader(Buffer name, Buffer value) throws IOException |
| 826 | 525 { |
| 526 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 527 switch (ho) | |
| 528 { | |
| 529 case HttpHeaders.HOST_ORDINAL: | |
| 530 // TODO check if host matched a host in the URI. | |
| 531 _host = true; | |
| 532 break; | |
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533 |
| 826 | 534 case HttpHeaders.EXPECT_ORDINAL: |
| 535 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 536 { | |
| 537 value = HttpHeaderValues.CACHE.lookup(value); | |
| 538 switch(HttpHeaderValues.CACHE.getOrdinal(value)) | |
| 539 { | |
| 540 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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541 _expect100Continue = true; |
| 826 | 542 break; |
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543 |
| 826 | 544 case HttpHeaderValues.PROCESSING_ORDINAL: |
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545 _expect102Processing = true; |
| 826 | 546 break; |
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547 |
| 826 | 548 default: |
| 549 String[] values = value.toString().split(","); | |
| 550 for (int i=0;values!=null && i<values.length;i++) | |
| 551 { | |
| 552 CachedBuffer cb=HttpHeaderValues.CACHE.get(values[i].trim()); | |
| 553 if (cb==null) | |
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554 _expect = true; |
| 826 | 555 else |
| 556 { | |
| 557 switch(cb.getOrdinal()) | |
| 558 { | |
| 559 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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560 _expect100Continue = true; |
| 826 | 561 break; |
| 562 case HttpHeaderValues.PROCESSING_ORDINAL: | |
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563 _expect102Processing = true; |
| 826 | 564 break; |
| 565 default: | |
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566 _expect = true; |
| 826 | 567 } |
| 568 } | |
| 569 } | |
| 570 } | |
| 571 } | |
| 572 break; | |
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573 |
| 826 | 574 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 575 case HttpHeaders.USER_AGENT_ORDINAL: | |
| 576 value = HttpHeaderValues.CACHE.lookup(value); | |
| 577 break; | |
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578 |
| 826 | 579 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
| 580 value = MimeTypes.CACHE.lookup(value); | |
| 581 _charset=MimeTypes.getCharsetFromContentType(value); | |
| 582 break; | |
| 583 } | |
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584 |
| 826 | 585 _requestFields.add(name, value); |
| 586 } | |
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587 |
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588 private void headerComplete() throws IOException |
| 826 | 589 { |
| 590 // Handle idle race | |
| 591 if (_endp.isOutputShutdown()) | |
| 592 { | |
| 593 _endp.close(); | |
| 594 return; | |
| 595 } | |
| 596 | |
| 597 _requests++; | |
| 598 _generator.setVersion(_version); | |
| 599 switch (_version) | |
| 600 { | |
| 601 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 602 break; | |
| 603 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 604 _generator.setHead(_head); | |
| 605 if (_parser.isPersistent()) | |
| 606 { | |
| 607 _responseFields.add(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.KEEP_ALIVE_BUFFER); | |
| 608 _generator.setPersistent(true); | |
| 609 } | |
| 610 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 611 { | |
| 612 _generator.setPersistent(true); | |
| 613 _parser.setPersistent(true); | |
| 614 } | |
| 615 break; | |
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616 |
| 826 | 617 case HttpVersions.HTTP_1_1_ORDINAL: |
| 618 _generator.setHead(_head); | |
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|
619 |
| 826 | 620 if (!_parser.isPersistent()) |
| 621 { | |
| 622 _responseFields.add(HttpHeaders.CONNECTION_BUFFER,HttpHeaderValues.CLOSE_BUFFER); | |
| 623 _generator.setPersistent(false); | |
| 624 } | |
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|
625 |
| 826 | 626 if (!_host) |
| 627 { | |
| 628 LOG.debug("!host {}",this); | |
| 629 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
| 630 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 631 _generator.completeHeader(_responseFields, true); | |
| 632 _generator.complete(); | |
| 633 return; | |
| 634 } | |
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|
635 |
| 826 | 636 if (_expect) |
| 637 { | |
| 638 LOG.debug("!expectation {}",this); | |
| 639 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
| 640 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 641 _generator.completeHeader(_responseFields, true); | |
| 642 _generator.complete(); | |
| 643 return; | |
| 644 } | |
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645 |
| 826 | 646 break; |
| 647 default: | |
| 648 } | |
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649 |
| 826 | 650 if(_charset!=null) |
| 651 _request.setCharacterEncodingUnchecked(_charset); | |
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652 |
| 826 | 653 // Either handle now or wait for first content |
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|
654 if ((_parser.getContentLength()<=0 && !_parser.isChunking())||_expect100Continue) |
| 826 | 655 handleRequest(); |
| 656 else | |
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657 _delayedHandling = true; |
| 826 | 658 } |
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659 |
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660 private void content(Buffer buffer) throws IOException |
| 826 | 661 { |
| 662 if (_delayedHandling) | |
| 663 { | |
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664 _delayedHandling = false; |
| 826 | 665 handleRequest(); |
| 666 } | |
| 667 } | |
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668 |
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669 private void messageComplete(long contentLength) throws IOException |
| 826 | 670 { |
| 671 if (_delayedHandling) | |
| 672 { | |
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673 _delayedHandling = false; |
| 826 | 674 handleRequest(); |
| 675 } | |
| 676 } | |
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677 |
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678 private void earlyEOF() |
| 826 | 679 { |
| 680 _earlyEOF = true; | |
| 681 } | |
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682 |
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|
683 |
| 980 | 684 private class RequestHandler implements HttpParser.EventHandler |
| 826 | 685 { |
| 686 @Override | |
| 687 public void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 688 { | |
| 689 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 690 } | |
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|
691 |
| 826 | 692 @Override |
| 693 public void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 694 { | |
| 695 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 696 } | |
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|
697 |
| 826 | 698 @Override |
| 699 public void headerComplete() throws IOException | |
| 700 { | |
| 701 AbstractHttpConnection.this.headerComplete(); | |
| 702 } | |
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703 |
| 826 | 704 @Override |
| 705 public void content(Buffer ref) throws IOException | |
| 706 { | |
| 707 AbstractHttpConnection.this.content(ref); | |
| 708 } | |
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709 |
| 826 | 710 @Override |
| 711 public void messageComplete(long contentLength) throws IOException | |
| 712 { | |
| 713 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 714 } | |
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715 |
| 826 | 716 @Override |
| 717 public void earlyEOF() | |
| 718 { | |
| 719 AbstractHttpConnection.this.earlyEOF(); | |
| 720 } | |
| 721 } | |
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722 |
|
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723 |
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724 public final class Output extends HttpOutput |
| 826 | 725 { |
| 726 Output() | |
| 727 { | |
| 728 super(AbstractHttpConnection.this); | |
| 729 } | |
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730 |
| 826 | 731 /* ------------------------------------------------------------ */ |
| 732 /* | |
| 733 * @see java.io.OutputStream#close() | |
| 734 */ | |
| 735 @Override | |
| 736 public void close() throws IOException | |
| 737 { | |
| 738 if (isClosed()) | |
| 739 return; | |
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740 |
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741 if (!super._generator.isCommitted()) |
| 826 | 742 commitResponse(Generator.LAST); |
| 743 else | |
| 744 flushResponse(); | |
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745 |
| 826 | 746 super.close(); |
| 747 } | |
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748 |
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749 |
| 826 | 750 /* ------------------------------------------------------------ */ |
| 751 /* | |
| 752 * @see java.io.OutputStream#flush() | |
| 753 */ | |
| 754 @Override | |
| 755 public void flush() throws IOException | |
| 756 { | |
| 757 if (!super._generator.isCommitted()) | |
| 758 commitResponse(Generator.MORE); | |
| 759 super.flush(); | |
| 760 } | |
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761 |
| 826 | 762 /* ------------------------------------------------------------ */ |
| 763 /* | |
| 764 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 765 */ | |
| 766 @Override | |
| 767 public void print(String s) throws IOException | |
| 768 { | |
| 769 if (isClosed()) | |
| 770 throw new IOException("Closed"); | |
| 771 PrintWriter writer=getPrintWriter(null); | |
| 772 writer.print(s); | |
| 773 } | |
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774 |
| 826 | 775 /* ------------------------------------------------------------ */ |
| 776 public void sendResponse(Buffer response) throws IOException | |
| 777 { | |
| 778 ((HttpGenerator)super._generator).sendResponse(response); | |
| 779 } | |
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780 |
| 826 | 781 /* ------------------------------------------------------------ */ |
| 782 public void sendContent(Object content) throws IOException | |
| 783 { | |
| 784 Resource resource=null; | |
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785 |
| 826 | 786 if (isClosed()) |
| 787 throw new IOException("Closed"); | |
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788 |
| 826 | 789 if (super._generator.isWritten()) |
| 790 throw new IllegalStateException("!empty"); | |
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791 |
| 826 | 792 if (content instanceof Resource) |
| 793 { | |
| 794 resource=(Resource)content; | |
| 795 _responseFields.putDateField(HttpHeaders.LAST_MODIFIED_BUFFER, resource.lastModified()); | |
| 796 content=resource.getInputStream(); | |
| 797 } | |
| 798 | |
| 799 // Process content. | |
| 800 if (content instanceof Buffer) | |
| 801 { | |
| 802 super._generator.addContent((Buffer) content, Generator.LAST); | |
| 803 commitResponse(Generator.LAST); | |
| 804 } | |
| 805 else if (content instanceof InputStream) | |
| 806 { | |
| 807 InputStream in = (InputStream)content; | |
| 808 | |
| 809 try | |
| 810 { | |
| 811 int max = super._generator.prepareUncheckedAddContent(); | |
| 812 Buffer buffer = super._generator.getUncheckedBuffer(); | |
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813 |
| 826 | 814 int len=buffer.readFrom(in,max); |
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815 |
| 826 | 816 while (len>=0) |
| 817 { | |
| 818 super._generator.completeUncheckedAddContent(); | |
| 819 _out.flush(); | |
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820 |
| 826 | 821 max = super._generator.prepareUncheckedAddContent(); |
| 822 buffer = super._generator.getUncheckedBuffer(); | |
| 823 len=buffer.readFrom(in,max); | |
| 824 } | |
| 825 super._generator.completeUncheckedAddContent(); | |
| 826 _out.flush(); | |
| 827 } | |
| 828 finally | |
| 829 { | |
| 830 if (resource!=null) | |
| 831 resource.release(); | |
| 832 else | |
| 833 in.close(); | |
| 834 } | |
| 835 } | |
| 836 else | |
| 837 throw new IllegalArgumentException("unknown content type?"); | |
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838 |
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839 |
| 826 | 840 } |
| 841 } | |
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842 |
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843 } |