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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 977:d35b0a3a7a4a
remove __currentConnection
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Sun, 16 Oct 2016 01:31:05 -0600 |
| parents | 7422ca1ae146 |
| children | c8cd3e96db5f |
| 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.http.Parser; |
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47 import org.eclipse.jetty.io.AbstractConnection; |
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48 import org.eclipse.jetty.io.Buffer; |
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49 import org.eclipse.jetty.io.BufferCache.CachedBuffer; |
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50 import org.eclipse.jetty.io.Buffers; |
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51 import org.eclipse.jetty.io.EndPoint; |
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52 import org.eclipse.jetty.io.EofException; |
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53 import org.eclipse.jetty.io.RuntimeIOException; |
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54 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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55 import org.eclipse.jetty.util.StringUtil; |
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56 import org.eclipse.jetty.util.URIUtil; |
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57 import org.slf4j.Logger; |
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58 import org.slf4j.LoggerFactory; |
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59 import org.eclipse.jetty.util.resource.Resource; |
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60 |
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61 /** |
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62 * <p>A HttpConnection represents the connection of a HTTP client to the server |
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63 * and is created by an instance of a {@link Connector}. It's prime function is |
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64 * to associate {@link Request} and {@link Response} instances with a {@link EndPoint}. |
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65 * </p> |
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66 * <p> |
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67 * A connection is also the prime mechanism used by jetty to recycle objects without |
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68 * pooling. The {@link Request}, {@link Response}, {@link HttpParser}, {@link HttpGenerator} |
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69 * and {@link HttpFields} instances are all recycled for the duraction of |
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70 * a connection. Where appropriate, allocated buffers are also kept associated |
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71 * with the connection via the parser and/or generator. |
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72 * </p> |
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73 * <p> |
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74 * The connection state is held by 3 separate state machines: The request state, the |
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75 * response state and the continuation state. All three state machines must be driven |
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76 * to completion for every request, and all three can complete in any order. |
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77 * </p> |
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78 * <p> |
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79 * The HttpConnection support protocol upgrade. If on completion of a request, the |
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80 * response code is 101 (switch protocols), then the org.eclipse.jetty.io.Connection |
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81 * request attribute is checked to see if there is a new Connection instance. If so, |
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82 * the new connection is returned from {@link #handle()} and is used for future |
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83 * handling of the underlying connection. Note that for switching protocols that |
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84 * don't use 101 responses (eg CONNECT), the response should be sent and then the |
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85 * status code changed to 101 before returning from the handler. Implementors |
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86 * of new Connection types should be careful to extract any buffered data from |
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87 * (HttpParser)http.getParser()).getHeaderBuffer() and |
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88 * (HttpParser)http.getParser()).getBodyBuffer() to initialise their new connection. |
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89 * </p> |
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90 * |
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91 */ |
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92 public abstract class AbstractHttpConnection extends AbstractConnection |
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93 { |
| 826 | 94 private static final Logger LOG = LoggerFactory.getLogger(AbstractHttpConnection.class); |
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95 |
| 826 | 96 private int _requests; |
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97 |
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98 private final Connector _connector; |
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99 private final Server _server; |
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100 protected final HttpURI _uri = StringUtil.__UTF8.equals(URIUtil.__CHARSET)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); |
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101 |
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102 protected final HttpParser _parser; |
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103 protected final HttpFields _requestFields = new HttpFields(); |
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104 private final Request _request; |
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105 private volatile ServletInputStream _in; |
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106 |
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107 protected final HttpGenerator _generator; |
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108 final HttpFields _responseFields = new HttpFields(); |
| 826 | 109 protected final Response _response; |
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110 private volatile Output _out; |
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111 private volatile HttpWriter _writer; |
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112 private volatile PrintWriter _printWriter; |
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113 |
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114 private int _version = -2; // UNKNOWN |
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115 |
| 826 | 116 private String _charset; |
| 117 private boolean _expect = false; | |
| 118 private boolean _expect100Continue = false; | |
| 119 private boolean _expect102Processing = false; | |
| 120 private boolean _head = false; | |
| 121 private boolean _host = false; | |
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122 private boolean _delayedHandling = false; |
| 826 | 123 private boolean _earlyEOF = false; |
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124 |
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125 protected AbstractHttpConnection(Connector connector, EndPoint endpoint) |
| 826 | 126 { |
| 127 super(endpoint); | |
| 128 _connector = connector; | |
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129 HttpBuffers ab = _connector; |
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130 _parser = new HttpParser(ab.getRequestBuffers(), endpoint, new RequestHandler()); |
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131 _request = new Request(this); |
| 826 | 132 _response = new Response(this); |
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133 _generator = new HttpGenerator(ab.getResponseBuffers(), endpoint); |
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134 _server = connector.server; |
| 826 | 135 } |
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136 |
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137 public final Connector getConnector() |
| 826 | 138 { |
| 139 return _connector; | |
| 140 } | |
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141 |
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142 public final Request getRequest() |
| 826 | 143 { |
| 144 return _request; | |
| 145 } | |
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146 |
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147 public final Response getResponse() |
| 826 | 148 { |
| 149 return _response; | |
| 150 } | |
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151 |
| 826 | 152 /* ------------------------------------------------------------ */ |
| 153 /** | |
| 154 * Get the inputStream from the connection. | |
| 155 * <p> | |
| 156 * If the associated response has the Expect header set to 100 Continue, | |
| 157 * then accessing the input stream indicates that the handler/servlet | |
| 158 * is ready for the request body and thus a 100 Continue response is sent. | |
| 159 * | |
| 160 * @return The input stream for this connection. | |
| 161 * The stream will be created if it does not already exist. | |
| 162 * @throws IOException if the input stream cannot be retrieved | |
| 163 */ | |
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164 public final ServletInputStream getInputStream() throws IOException |
| 826 | 165 { |
| 166 // If the client is expecting 100 CONTINUE, then send it now. | |
| 167 if (_expect100Continue) | |
| 168 { | |
| 169 // is content missing? | |
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170 if (_parser.getHeaderBuffer()==null || _parser.getHeaderBuffer().length()<2) |
| 826 | 171 { |
| 172 if (_generator.isCommitted()) | |
| 173 throw new IllegalStateException("Committed before 100 Continues"); | |
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174 |
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175 _generator.send1xx(HttpStatus.CONTINUE_100); |
| 826 | 176 } |
| 177 _expect100Continue=false; | |
| 178 } | |
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179 |
| 826 | 180 if (_in == null) |
| 181 _in = new HttpInput(AbstractHttpConnection.this); | |
| 182 return _in; | |
| 183 } | |
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184 |
| 826 | 185 /* ------------------------------------------------------------ */ |
| 186 /** | |
| 187 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
| 188 */ | |
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189 public final ServletOutputStream getOutputStream() |
| 826 | 190 { |
| 191 if (_out == null) | |
| 192 _out = new Output(); | |
| 193 return _out; | |
| 194 } | |
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195 |
| 826 | 196 /* ------------------------------------------------------------ */ |
| 197 /** | |
| 198 * @param encoding the PrintWriter encoding | |
| 199 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
| 200 * does not already exist. | |
| 201 */ | |
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202 public final PrintWriter getPrintWriter(String encoding) |
| 826 | 203 { |
| 204 getOutputStream(); | |
| 205 if (_writer==null) | |
| 206 { | |
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207 _writer = new HttpWriter(_out); |
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208 _printWriter = new PrintWriter(_writer) |
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209 { |
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210 public void close() |
| 826 | 211 { |
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212 synchronized (lock) |
| 826 | 213 { |
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214 try |
| 826 | 215 { |
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216 out.close(); |
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217 } |
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218 catch (IOException e) |
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219 { |
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220 setError(); |
| 826 | 221 } |
| 222 } | |
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223 } |
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224 }; |
| 826 | 225 } |
| 226 _writer.setCharacterEncoding(encoding); | |
| 227 return _printWriter; | |
| 228 } | |
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229 |
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230 public final boolean isEarlyEOF() |
| 826 | 231 { |
| 232 return _earlyEOF; | |
| 233 } | |
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234 |
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235 protected void reset() |
| 826 | 236 { |
| 237 _parser.reset(); | |
| 238 _parser.returnBuffers(); // TODO maybe only on unhandle | |
| 239 _requestFields.clear(); | |
| 240 _request.recycle(); | |
| 241 _generator.reset(); | |
| 242 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 243 _responseFields.clear(); | |
| 244 _response.recycle(); | |
| 245 _uri.clear(); | |
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246 _writer = null; |
| 826 | 247 _earlyEOF = false; |
| 248 } | |
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249 |
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250 private void handleRequest() throws IOException |
| 826 | 251 { |
| 252 boolean error = false; | |
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253 |
| 826 | 254 try |
| 255 { | |
| 256 // Loop here to handle async request redispatches. | |
| 257 // The loop is controlled by the call to async.unhandle in the | |
| 258 // finally block below. If call is from a non-blocking connector, | |
| 259 // then the unhandle will return false only if an async dispatch has | |
| 260 // already happened when unhandle is called. For a blocking connector, | |
| 261 // the wait for the asynchronous dispatch or timeout actually happens | |
| 262 // within the call to unhandle(). | |
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263 |
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264 _request.setHandled(false); |
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265 |
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266 String info=null; |
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267 try |
| 826 | 268 { |
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269 _uri.getPort(); |
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270 String path = null; |
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271 |
| 826 | 272 try |
| 273 { | |
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274 path = _uri.getDecodedPath(); |
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275 } |
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276 catch (Exception e) |
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277 { |
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278 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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279 LOG.trace("",e); |
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280 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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281 } |
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282 |
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283 info = URIUtil.canonicalPath(path); |
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284 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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285 { |
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286 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 287 { |
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288 info="/"; |
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289 _request.setRequestURI(""); |
| 826 | 290 } |
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291 else |
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292 throw new HttpException(400); |
| 826 | 293 } |
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294 _request.setPathInfo(info); |
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295 |
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296 if (_out!=null) |
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297 _out.reopen(); |
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298 |
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299 _request.setDispatcherType(DispatcherType.REQUEST); |
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300 _connector.customize(_endp, _request); |
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301 _server.handle(this); |
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302 } |
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303 catch (EofException e) |
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304 { |
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305 LOG.debug("",e); |
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306 error=true; |
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307 _request.setHandled(true); |
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308 if (!_response.isCommitted()) |
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309 _generator.sendError(500, null, null, true); |
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310 } |
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311 catch (RuntimeIOException e) |
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312 { |
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313 LOG.debug("",e); |
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314 error=true; |
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315 _request.setHandled(true); |
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316 } |
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317 catch (HttpException e) |
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318 { |
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319 LOG.debug("",e); |
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320 error=true; |
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321 _request.setHandled(true); |
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322 _response.sendError(e.getStatus(), e.getReason()); |
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323 } |
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324 catch (Throwable e) |
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325 { |
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326 LOG.warn(String.valueOf(_uri),e); |
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327 error=true; |
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328 _request.setHandled(true); |
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329 _generator.sendError(info==null?400:500, null, null, true); |
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330 |
| 826 | 331 } |
| 332 } | |
| 333 finally | |
| 334 { | |
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335 if (_expect100Continue) |
| 826 | 336 { |
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337 LOG.debug("100 continues not sent"); |
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338 // We didn't send 100 continues, but the latest interpretation |
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339 // of the spec (see httpbis) is that the client will either |
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340 // send the body anyway, or close. So we no longer need to |
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341 // do anything special here other than make the connection not persistent |
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342 _expect100Continue = false; |
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343 if (!_response.isCommitted()) |
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344 _generator.setPersistent(false); |
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345 } |
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346 |
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347 if(_endp.isOpen()) |
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348 { |
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349 if (error) |
| 826 | 350 { |
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351 _endp.shutdownOutput(); |
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352 _generator.setPersistent(false); |
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353 if (!_generator.isComplete()) |
| 826 | 354 _response.complete(); |
| 355 } | |
| 356 else | |
| 357 { | |
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358 if (!_response.isCommitted() && !_request.isHandled()) |
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359 _response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 826 | 360 _response.complete(); |
| 361 } | |
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362 } |
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363 else |
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364 { |
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365 _response.complete(); |
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366 } |
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367 |
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368 _request.setHandled(true); |
| 826 | 369 } |
| 370 } | |
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371 |
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372 |
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373 public final void commitResponse(boolean last) throws IOException |
| 826 | 374 { |
| 375 if (!_generator.isCommitted()) | |
| 376 { | |
| 377 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 378 try | |
| 379 { | |
| 380 // If the client was expecting 100 continues, but we sent something | |
| 381 // else, then we need to close the connection | |
| 382 if (_expect100Continue && _response.getStatus()!=100) | |
| 383 _generator.setPersistent(false); | |
| 384 _generator.completeHeader(_responseFields, last); | |
| 385 } | |
| 386 catch(RuntimeException e) | |
| 387 { | |
| 388 LOG.warn("header full: " + e); | |
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389 |
| 826 | 390 _response.reset(); |
| 391 _generator.reset(); | |
| 392 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 393 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 394 _generator.complete(); | |
| 395 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 396 } | |
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397 |
| 826 | 398 } |
| 399 if (last) | |
| 400 _generator.complete(); | |
| 401 } | |
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402 |
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403 public final void completeResponse() throws IOException |
| 826 | 404 { |
| 405 if (!_generator.isCommitted()) | |
| 406 { | |
| 407 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 408 try | |
| 409 { | |
| 410 _generator.completeHeader(_responseFields, Generator.LAST); | |
| 411 } | |
| 412 catch(RuntimeException e) | |
| 413 { | |
| 414 LOG.warn("header full: "+e); | |
| 415 LOG.debug("",e); | |
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416 |
| 826 | 417 _response.reset(); |
| 418 _generator.reset(); | |
| 419 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 420 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 421 _generator.complete(); | |
| 422 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 423 } | |
| 424 } | |
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425 |
| 826 | 426 _generator.complete(); |
| 427 } | |
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428 |
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429 public final void flushResponse() throws IOException |
| 826 | 430 { |
| 431 try | |
| 432 { | |
| 433 commitResponse(Generator.MORE); | |
| 434 _generator.flushBuffer(); | |
| 435 } | |
| 436 catch(IOException e) | |
| 437 { | |
| 438 throw (e instanceof EofException) ? e:new EofException(e); | |
| 439 } | |
| 440 } | |
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441 |
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442 public final boolean isExpecting102Processing() |
| 826 | 443 { |
| 444 return _expect102Processing; | |
| 445 } | |
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446 |
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447 public final int getMaxIdleTime() |
| 826 | 448 { |
| 449 if (_connector.isLowResources() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) | |
| 913 | 450 return 0; |
| 826 | 451 if (_endp.getMaxIdleTime()>0) |
| 452 return _endp.getMaxIdleTime(); | |
| 453 return _connector.getMaxIdleTime(); | |
| 454 } | |
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455 |
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456 @Override |
| 826 | 457 public String toString() |
| 458 { | |
| 459 return String.format("%s,g=%s,p=%s,r=%d", | |
| 460 super.toString(), | |
| 461 _generator, | |
| 462 _parser, | |
| 463 _requests); | |
| 464 } | |
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465 |
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466 private void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException |
| 826 | 467 { |
| 468 uri=uri.asImmutableBuffer(); | |
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469 |
| 826 | 470 _host = false; |
| 471 _expect = false; | |
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472 _expect100Continue = false; |
| 826 | 473 _expect102Processing=false; |
| 474 _delayedHandling=false; | |
| 475 _charset=null; | |
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476 |
| 826 | 477 if(_request.getTimeStamp()==0) |
| 478 _request.setTimeStamp(System.currentTimeMillis()); | |
| 479 _request.setMethod(method.toString()); | |
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480 |
| 826 | 481 try |
| 482 { | |
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483 _head = false; |
| 826 | 484 switch (HttpMethods.CACHE.getOrdinal(method)) |
| 485 { | |
| 486 case HttpMethods.CONNECT_ORDINAL: | |
| 487 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
| 488 break; | |
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489 |
| 826 | 490 case HttpMethods.HEAD_ORDINAL: |
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491 _head = true; |
| 826 | 492 _uri.parse(uri.array(), uri.getIndex(), uri.length()); |
| 493 break; | |
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494 |
| 826 | 495 default: |
| 496 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 497 } | |
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498 |
| 826 | 499 _request.setUri(_uri); |
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500 |
| 826 | 501 if (version==null) |
| 502 { | |
| 503 _request.setProtocol(HttpVersions.HTTP_0_9); | |
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504 _version = HttpVersions.HTTP_0_9_ORDINAL; |
| 826 | 505 } |
| 506 else | |
| 507 { | |
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508 version = HttpVersions.CACHE.get(version); |
| 826 | 509 if (version==null) |
| 510 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); | |
| 511 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 512 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 513 _request.setProtocol(version.toString()); | |
| 514 } | |
| 515 } | |
| 516 catch (Exception e) | |
| 517 { | |
| 518 LOG.debug("",e); | |
| 519 if (e instanceof HttpException) | |
| 520 throw (HttpException)e; | |
| 521 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 522 } | |
| 523 } | |
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524 |
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525 private void parsedHeader(Buffer name, Buffer value) throws IOException |
| 826 | 526 { |
| 527 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 528 switch (ho) | |
| 529 { | |
| 530 case HttpHeaders.HOST_ORDINAL: | |
| 531 // TODO check if host matched a host in the URI. | |
| 532 _host = true; | |
| 533 break; | |
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534 |
| 826 | 535 case HttpHeaders.EXPECT_ORDINAL: |
| 536 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 537 { | |
| 538 value = HttpHeaderValues.CACHE.lookup(value); | |
| 539 switch(HttpHeaderValues.CACHE.getOrdinal(value)) | |
| 540 { | |
| 541 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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542 _expect100Continue = true; |
| 826 | 543 break; |
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544 |
| 826 | 545 case HttpHeaderValues.PROCESSING_ORDINAL: |
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546 _expect102Processing = true; |
| 826 | 547 break; |
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548 |
| 826 | 549 default: |
| 550 String[] values = value.toString().split(","); | |
| 551 for (int i=0;values!=null && i<values.length;i++) | |
| 552 { | |
| 553 CachedBuffer cb=HttpHeaderValues.CACHE.get(values[i].trim()); | |
| 554 if (cb==null) | |
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555 _expect = true; |
| 826 | 556 else |
| 557 { | |
| 558 switch(cb.getOrdinal()) | |
| 559 { | |
| 560 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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561 _expect100Continue = true; |
| 826 | 562 break; |
| 563 case HttpHeaderValues.PROCESSING_ORDINAL: | |
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564 _expect102Processing = true; |
| 826 | 565 break; |
| 566 default: | |
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567 _expect = true; |
| 826 | 568 } |
| 569 } | |
| 570 } | |
| 571 } | |
| 572 } | |
| 573 break; | |
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574 |
| 826 | 575 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 576 case HttpHeaders.USER_AGENT_ORDINAL: | |
| 577 value = HttpHeaderValues.CACHE.lookup(value); | |
| 578 break; | |
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579 |
| 826 | 580 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
| 581 value = MimeTypes.CACHE.lookup(value); | |
| 582 _charset=MimeTypes.getCharsetFromContentType(value); | |
| 583 break; | |
| 584 } | |
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|
585 |
| 826 | 586 _requestFields.add(name, value); |
| 587 } | |
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588 |
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589 private void headerComplete() throws IOException |
| 826 | 590 { |
| 591 // Handle idle race | |
| 592 if (_endp.isOutputShutdown()) | |
| 593 { | |
| 594 _endp.close(); | |
| 595 return; | |
| 596 } | |
| 597 | |
| 598 _requests++; | |
| 599 _generator.setVersion(_version); | |
| 600 switch (_version) | |
| 601 { | |
| 602 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 603 break; | |
| 604 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 605 _generator.setHead(_head); | |
| 606 if (_parser.isPersistent()) | |
| 607 { | |
| 608 _responseFields.add(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.KEEP_ALIVE_BUFFER); | |
| 609 _generator.setPersistent(true); | |
| 610 } | |
| 611 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 612 { | |
| 613 _generator.setPersistent(true); | |
| 614 _parser.setPersistent(true); | |
| 615 } | |
| 616 break; | |
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617 |
| 826 | 618 case HttpVersions.HTTP_1_1_ORDINAL: |
| 619 _generator.setHead(_head); | |
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|
620 |
| 826 | 621 if (!_parser.isPersistent()) |
| 622 { | |
| 623 _responseFields.add(HttpHeaders.CONNECTION_BUFFER,HttpHeaderValues.CLOSE_BUFFER); | |
| 624 _generator.setPersistent(false); | |
| 625 } | |
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|
626 |
| 826 | 627 if (!_host) |
| 628 { | |
| 629 LOG.debug("!host {}",this); | |
| 630 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
| 631 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 632 _generator.completeHeader(_responseFields, true); | |
| 633 _generator.complete(); | |
| 634 return; | |
| 635 } | |
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|
636 |
| 826 | 637 if (_expect) |
| 638 { | |
| 639 LOG.debug("!expectation {}",this); | |
| 640 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
| 641 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 642 _generator.completeHeader(_responseFields, true); | |
| 643 _generator.complete(); | |
| 644 return; | |
| 645 } | |
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646 |
| 826 | 647 break; |
| 648 default: | |
| 649 } | |
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650 |
| 826 | 651 if(_charset!=null) |
| 652 _request.setCharacterEncodingUnchecked(_charset); | |
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653 |
| 826 | 654 // Either handle now or wait for first content |
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655 if ((_parser.getContentLength()<=0 && !_parser.isChunking())||_expect100Continue) |
| 826 | 656 handleRequest(); |
| 657 else | |
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658 _delayedHandling = true; |
| 826 | 659 } |
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660 |
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661 private void content(Buffer buffer) throws IOException |
| 826 | 662 { |
| 663 if (_delayedHandling) | |
| 664 { | |
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665 _delayedHandling = false; |
| 826 | 666 handleRequest(); |
| 667 } | |
| 668 } | |
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669 |
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670 private void messageComplete(long contentLength) throws IOException |
| 826 | 671 { |
| 672 if (_delayedHandling) | |
| 673 { | |
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674 _delayedHandling = false; |
| 826 | 675 handleRequest(); |
| 676 } | |
| 677 } | |
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678 |
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679 private void earlyEOF() |
| 826 | 680 { |
| 681 _earlyEOF = true; | |
| 682 } | |
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683 |
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|
684 |
| 826 | 685 private class RequestHandler extends HttpParser.EventHandler |
| 686 { | |
| 687 @Override | |
| 688 public void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 689 { | |
| 690 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 691 } | |
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692 |
| 826 | 693 @Override |
| 694 public void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 695 { | |
| 696 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 697 } | |
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698 |
| 826 | 699 @Override |
| 700 public void headerComplete() throws IOException | |
| 701 { | |
| 702 AbstractHttpConnection.this.headerComplete(); | |
| 703 } | |
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704 |
| 826 | 705 @Override |
| 706 public void content(Buffer ref) throws IOException | |
| 707 { | |
| 708 AbstractHttpConnection.this.content(ref); | |
| 709 } | |
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710 |
| 826 | 711 @Override |
| 712 public void messageComplete(long contentLength) throws IOException | |
| 713 { | |
| 714 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 715 } | |
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716 |
| 826 | 717 @Override |
| 718 public void startResponse(Buffer version, int status, Buffer reason) | |
| 719 { | |
| 720 if (LOG.isDebugEnabled()) | |
| 721 LOG.debug("Bad request!: "+version+" "+status+" "+reason); | |
| 722 } | |
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723 |
| 826 | 724 @Override |
| 725 public void earlyEOF() | |
| 726 { | |
| 727 AbstractHttpConnection.this.earlyEOF(); | |
| 728 } | |
| 729 } | |
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730 |
|
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731 |
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732 public final class Output extends HttpOutput |
| 826 | 733 { |
| 734 Output() | |
| 735 { | |
| 736 super(AbstractHttpConnection.this); | |
| 737 } | |
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738 |
| 826 | 739 /* ------------------------------------------------------------ */ |
| 740 /* | |
| 741 * @see java.io.OutputStream#close() | |
| 742 */ | |
| 743 @Override | |
| 744 public void close() throws IOException | |
| 745 { | |
| 746 if (isClosed()) | |
| 747 return; | |
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748 |
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749 if (!super._generator.isCommitted()) |
| 826 | 750 commitResponse(Generator.LAST); |
| 751 else | |
| 752 flushResponse(); | |
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753 |
| 826 | 754 super.close(); |
| 755 } | |
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756 |
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757 |
| 826 | 758 /* ------------------------------------------------------------ */ |
| 759 /* | |
| 760 * @see java.io.OutputStream#flush() | |
| 761 */ | |
| 762 @Override | |
| 763 public void flush() throws IOException | |
| 764 { | |
| 765 if (!super._generator.isCommitted()) | |
| 766 commitResponse(Generator.MORE); | |
| 767 super.flush(); | |
| 768 } | |
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769 |
| 826 | 770 /* ------------------------------------------------------------ */ |
| 771 /* | |
| 772 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 773 */ | |
| 774 @Override | |
| 775 public void print(String s) throws IOException | |
| 776 { | |
| 777 if (isClosed()) | |
| 778 throw new IOException("Closed"); | |
| 779 PrintWriter writer=getPrintWriter(null); | |
| 780 writer.print(s); | |
| 781 } | |
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782 |
| 826 | 783 /* ------------------------------------------------------------ */ |
| 784 public void sendResponse(Buffer response) throws IOException | |
| 785 { | |
| 786 ((HttpGenerator)super._generator).sendResponse(response); | |
| 787 } | |
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788 |
| 826 | 789 /* ------------------------------------------------------------ */ |
| 790 public void sendContent(Object content) throws IOException | |
| 791 { | |
| 792 Resource resource=null; | |
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793 |
| 826 | 794 if (isClosed()) |
| 795 throw new IOException("Closed"); | |
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796 |
| 826 | 797 if (super._generator.isWritten()) |
| 798 throw new IllegalStateException("!empty"); | |
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799 |
| 826 | 800 if (content instanceof Resource) |
| 801 { | |
| 802 resource=(Resource)content; | |
| 803 _responseFields.putDateField(HttpHeaders.LAST_MODIFIED_BUFFER, resource.lastModified()); | |
| 804 content=resource.getInputStream(); | |
| 805 } | |
| 806 | |
| 807 // Process content. | |
| 808 if (content instanceof Buffer) | |
| 809 { | |
| 810 super._generator.addContent((Buffer) content, Generator.LAST); | |
| 811 commitResponse(Generator.LAST); | |
| 812 } | |
| 813 else if (content instanceof InputStream) | |
| 814 { | |
| 815 InputStream in = (InputStream)content; | |
| 816 | |
| 817 try | |
| 818 { | |
| 819 int max = super._generator.prepareUncheckedAddContent(); | |
| 820 Buffer buffer = super._generator.getUncheckedBuffer(); | |
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821 |
| 826 | 822 int len=buffer.readFrom(in,max); |
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823 |
| 826 | 824 while (len>=0) |
| 825 { | |
| 826 super._generator.completeUncheckedAddContent(); | |
| 827 _out.flush(); | |
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828 |
| 826 | 829 max = super._generator.prepareUncheckedAddContent(); |
| 830 buffer = super._generator.getUncheckedBuffer(); | |
| 831 len=buffer.readFrom(in,max); | |
| 832 } | |
| 833 super._generator.completeUncheckedAddContent(); | |
| 834 _out.flush(); | |
| 835 } | |
| 836 finally | |
| 837 { | |
| 838 if (resource!=null) | |
| 839 resource.release(); | |
| 840 else | |
| 841 in.close(); | |
| 842 } | |
| 843 } | |
| 844 else | |
| 845 throw new IllegalArgumentException("unknown content type?"); | |
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846 |
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847 |
| 826 | 848 } |
| 849 } | |
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850 |
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851 } |