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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 981:f46de416e219
remove HttpInput
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Sun, 16 Oct 2016 21:10:25 -0600 |
| parents | bd26bd9320e2 |
| children | dbecd7faa1f5 |
| 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) |
| 981 | 180 _in = new HttpInput(); |
| 826 | 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 protected void reset() |
| 826 | 230 { |
| 231 _parser.reset(); | |
| 232 _parser.returnBuffers(); // TODO maybe only on unhandle | |
| 233 _requestFields.clear(); | |
| 234 _request.recycle(); | |
| 235 _generator.reset(); | |
| 236 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 237 _responseFields.clear(); | |
| 238 _response.recycle(); | |
| 239 _uri.clear(); | |
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240 _writer = null; |
| 826 | 241 _earlyEOF = false; |
| 242 } | |
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243 |
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244 private void handleRequest() throws IOException |
| 826 | 245 { |
| 246 boolean error = false; | |
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247 |
| 826 | 248 try |
| 249 { | |
| 250 // Loop here to handle async request redispatches. | |
| 251 // The loop is controlled by the call to async.unhandle in the | |
| 252 // finally block below. If call is from a non-blocking connector, | |
| 253 // then the unhandle will return false only if an async dispatch has | |
| 254 // already happened when unhandle is called. For a blocking connector, | |
| 255 // the wait for the asynchronous dispatch or timeout actually happens | |
| 256 // within the call to unhandle(). | |
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257 |
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258 _request.setHandled(false); |
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259 |
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260 String info=null; |
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261 try |
| 826 | 262 { |
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263 _uri.getPort(); |
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264 String path = null; |
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265 |
| 826 | 266 try |
| 267 { | |
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268 path = _uri.getDecodedPath(); |
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269 } |
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270 catch (Exception e) |
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271 { |
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272 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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273 LOG.trace("",e); |
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274 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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275 } |
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276 |
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277 info = URIUtil.canonicalPath(path); |
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278 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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279 { |
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280 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 281 { |
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282 info="/"; |
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283 _request.setRequestURI(""); |
| 826 | 284 } |
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285 else |
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286 throw new HttpException(400); |
| 826 | 287 } |
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288 _request.setPathInfo(info); |
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289 |
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290 if (_out!=null) |
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291 _out.reopen(); |
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292 |
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293 _request.setDispatcherType(DispatcherType.REQUEST); |
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294 _connector.customize(_endp, _request); |
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295 _server.handle(this); |
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296 } |
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297 catch (EofException e) |
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298 { |
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299 LOG.debug("",e); |
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300 error=true; |
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301 _request.setHandled(true); |
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302 if (!_response.isCommitted()) |
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303 _generator.sendError(500, null, null, true); |
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304 } |
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305 catch (RuntimeIOException e) |
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306 { |
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307 LOG.debug("",e); |
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308 error=true; |
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309 _request.setHandled(true); |
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310 } |
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311 catch (HttpException 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 _response.sendError(e.getStatus(), e.getReason()); |
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317 } |
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318 catch (Throwable e) |
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319 { |
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320 LOG.warn(String.valueOf(_uri),e); |
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321 error=true; |
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322 _request.setHandled(true); |
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323 _generator.sendError(info==null?400:500, null, null, true); |
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324 |
| 826 | 325 } |
| 326 } | |
| 327 finally | |
| 328 { | |
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329 if (_expect100Continue) |
| 826 | 330 { |
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331 LOG.debug("100 continues not sent"); |
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332 // We didn't send 100 continues, but the latest interpretation |
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333 // of the spec (see httpbis) is that the client will either |
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334 // send the body anyway, or close. So we no longer need to |
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335 // do anything special here other than make the connection not persistent |
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336 _expect100Continue = false; |
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337 if (!_response.isCommitted()) |
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338 _generator.setPersistent(false); |
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339 } |
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340 |
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341 if(_endp.isOpen()) |
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342 { |
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343 if (error) |
| 826 | 344 { |
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345 _endp.shutdownOutput(); |
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346 _generator.setPersistent(false); |
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347 if (!_generator.isComplete()) |
| 826 | 348 _response.complete(); |
| 349 } | |
| 350 else | |
| 351 { | |
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352 if (!_response.isCommitted() && !_request.isHandled()) |
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353 _response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 826 | 354 _response.complete(); |
| 355 } | |
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356 } |
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357 else |
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358 { |
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359 _response.complete(); |
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360 } |
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361 |
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362 _request.setHandled(true); |
| 826 | 363 } |
| 364 } | |
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365 |
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366 |
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367 public final void commitResponse(boolean last) throws IOException |
| 826 | 368 { |
| 369 if (!_generator.isCommitted()) | |
| 370 { | |
| 371 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 372 try | |
| 373 { | |
| 374 // If the client was expecting 100 continues, but we sent something | |
| 375 // else, then we need to close the connection | |
| 376 if (_expect100Continue && _response.getStatus()!=100) | |
| 377 _generator.setPersistent(false); | |
| 378 _generator.completeHeader(_responseFields, last); | |
| 379 } | |
| 380 catch(RuntimeException e) | |
| 381 { | |
| 382 LOG.warn("header full: " + e); | |
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383 |
| 826 | 384 _response.reset(); |
| 385 _generator.reset(); | |
| 386 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 387 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 388 _generator.complete(); | |
| 389 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 390 } | |
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391 |
| 826 | 392 } |
| 393 if (last) | |
| 394 _generator.complete(); | |
| 395 } | |
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396 |
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397 public final void completeResponse() throws IOException |
| 826 | 398 { |
| 399 if (!_generator.isCommitted()) | |
| 400 { | |
| 401 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 402 try | |
| 403 { | |
| 404 _generator.completeHeader(_responseFields, Generator.LAST); | |
| 405 } | |
| 406 catch(RuntimeException e) | |
| 407 { | |
| 408 LOG.warn("header full: "+e); | |
| 409 LOG.debug("",e); | |
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410 |
| 826 | 411 _response.reset(); |
| 412 _generator.reset(); | |
| 413 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 414 _generator.completeHeader(_responseFields,Generator.LAST); | |
| 415 _generator.complete(); | |
| 416 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 417 } | |
| 418 } | |
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419 |
| 826 | 420 _generator.complete(); |
| 421 } | |
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422 |
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423 public final void flushResponse() throws IOException |
| 826 | 424 { |
| 425 try | |
| 426 { | |
| 427 commitResponse(Generator.MORE); | |
| 428 _generator.flushBuffer(); | |
| 429 } | |
| 430 catch(IOException e) | |
| 431 { | |
| 432 throw (e instanceof EofException) ? e:new EofException(e); | |
| 433 } | |
| 434 } | |
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435 |
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436 public final boolean isExpecting102Processing() |
| 826 | 437 { |
| 438 return _expect102Processing; | |
| 439 } | |
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440 |
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441 public final int getMaxIdleTime() |
| 826 | 442 { |
| 443 if (_connector.isLowResources() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) | |
| 913 | 444 return 0; |
| 826 | 445 if (_endp.getMaxIdleTime()>0) |
| 446 return _endp.getMaxIdleTime(); | |
| 447 return _connector.getMaxIdleTime(); | |
| 448 } | |
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449 |
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450 @Override |
| 826 | 451 public String toString() |
| 452 { | |
| 453 return String.format("%s,g=%s,p=%s,r=%d", | |
| 454 super.toString(), | |
| 455 _generator, | |
| 456 _parser, | |
| 457 _requests); | |
| 458 } | |
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459 |
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460 private void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException |
| 826 | 461 { |
| 462 uri=uri.asImmutableBuffer(); | |
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463 |
| 826 | 464 _host = false; |
| 465 _expect = false; | |
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466 _expect100Continue = false; |
| 826 | 467 _expect102Processing=false; |
| 468 _delayedHandling=false; | |
| 469 _charset=null; | |
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470 |
| 826 | 471 if(_request.getTimeStamp()==0) |
| 472 _request.setTimeStamp(System.currentTimeMillis()); | |
| 473 _request.setMethod(method.toString()); | |
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474 |
| 826 | 475 try |
| 476 { | |
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477 _head = false; |
| 826 | 478 switch (HttpMethods.CACHE.getOrdinal(method)) |
| 479 { | |
| 480 case HttpMethods.CONNECT_ORDINAL: | |
| 481 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
| 482 break; | |
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483 |
| 826 | 484 case HttpMethods.HEAD_ORDINAL: |
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485 _head = true; |
| 826 | 486 _uri.parse(uri.array(), uri.getIndex(), uri.length()); |
| 487 break; | |
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488 |
| 826 | 489 default: |
| 490 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 491 } | |
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492 |
| 826 | 493 _request.setUri(_uri); |
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494 |
| 826 | 495 if (version==null) |
| 496 { | |
| 497 _request.setProtocol(HttpVersions.HTTP_0_9); | |
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498 _version = HttpVersions.HTTP_0_9_ORDINAL; |
| 826 | 499 } |
| 500 else | |
| 501 { | |
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502 version = HttpVersions.CACHE.get(version); |
| 826 | 503 if (version==null) |
| 504 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); | |
| 505 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 506 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 507 _request.setProtocol(version.toString()); | |
| 508 } | |
| 509 } | |
| 510 catch (Exception e) | |
| 511 { | |
| 512 LOG.debug("",e); | |
| 513 if (e instanceof HttpException) | |
| 514 throw (HttpException)e; | |
| 515 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 516 } | |
| 517 } | |
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518 |
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519 private void parsedHeader(Buffer name, Buffer value) throws IOException |
| 826 | 520 { |
| 521 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 522 switch (ho) | |
| 523 { | |
| 524 case HttpHeaders.HOST_ORDINAL: | |
| 525 // TODO check if host matched a host in the URI. | |
| 526 _host = true; | |
| 527 break; | |
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528 |
| 826 | 529 case HttpHeaders.EXPECT_ORDINAL: |
| 530 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 531 { | |
| 532 value = HttpHeaderValues.CACHE.lookup(value); | |
| 533 switch(HttpHeaderValues.CACHE.getOrdinal(value)) | |
| 534 { | |
| 535 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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536 _expect100Continue = true; |
| 826 | 537 break; |
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538 |
| 826 | 539 case HttpHeaderValues.PROCESSING_ORDINAL: |
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540 _expect102Processing = true; |
| 826 | 541 break; |
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542 |
| 826 | 543 default: |
| 544 String[] values = value.toString().split(","); | |
| 545 for (int i=0;values!=null && i<values.length;i++) | |
| 546 { | |
| 547 CachedBuffer cb=HttpHeaderValues.CACHE.get(values[i].trim()); | |
| 548 if (cb==null) | |
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549 _expect = true; |
| 826 | 550 else |
| 551 { | |
| 552 switch(cb.getOrdinal()) | |
| 553 { | |
| 554 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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555 _expect100Continue = true; |
| 826 | 556 break; |
| 557 case HttpHeaderValues.PROCESSING_ORDINAL: | |
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558 _expect102Processing = true; |
| 826 | 559 break; |
| 560 default: | |
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561 _expect = true; |
| 826 | 562 } |
| 563 } | |
| 564 } | |
| 565 } | |
| 566 } | |
| 567 break; | |
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568 |
| 826 | 569 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 570 case HttpHeaders.USER_AGENT_ORDINAL: | |
| 571 value = HttpHeaderValues.CACHE.lookup(value); | |
| 572 break; | |
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573 |
| 826 | 574 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
| 575 value = MimeTypes.CACHE.lookup(value); | |
| 576 _charset=MimeTypes.getCharsetFromContentType(value); | |
| 577 break; | |
| 578 } | |
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|
579 |
| 826 | 580 _requestFields.add(name, value); |
| 581 } | |
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582 |
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|
583 private void headerComplete() throws IOException |
| 826 | 584 { |
| 585 // Handle idle race | |
| 586 if (_endp.isOutputShutdown()) | |
| 587 { | |
| 588 _endp.close(); | |
| 589 return; | |
| 590 } | |
| 591 | |
| 592 _requests++; | |
| 593 _generator.setVersion(_version); | |
| 594 switch (_version) | |
| 595 { | |
| 596 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 597 break; | |
| 598 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 599 _generator.setHead(_head); | |
| 600 if (_parser.isPersistent()) | |
| 601 { | |
| 602 _responseFields.add(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.KEEP_ALIVE_BUFFER); | |
| 603 _generator.setPersistent(true); | |
| 604 } | |
| 605 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 606 { | |
| 607 _generator.setPersistent(true); | |
| 608 _parser.setPersistent(true); | |
| 609 } | |
| 610 break; | |
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|
611 |
| 826 | 612 case HttpVersions.HTTP_1_1_ORDINAL: |
| 613 _generator.setHead(_head); | |
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|
614 |
| 826 | 615 if (!_parser.isPersistent()) |
| 616 { | |
| 617 _responseFields.add(HttpHeaders.CONNECTION_BUFFER,HttpHeaderValues.CLOSE_BUFFER); | |
| 618 _generator.setPersistent(false); | |
| 619 } | |
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|
620 |
| 826 | 621 if (!_host) |
| 622 { | |
| 623 LOG.debug("!host {}",this); | |
| 624 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
| 625 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 626 _generator.completeHeader(_responseFields, true); | |
| 627 _generator.complete(); | |
| 628 return; | |
| 629 } | |
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|
630 |
| 826 | 631 if (_expect) |
| 632 { | |
| 633 LOG.debug("!expectation {}",this); | |
| 634 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
| 635 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 636 _generator.completeHeader(_responseFields, true); | |
| 637 _generator.complete(); | |
| 638 return; | |
| 639 } | |
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|
640 |
| 826 | 641 break; |
| 642 default: | |
| 643 } | |
|
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|
644 |
| 826 | 645 if(_charset!=null) |
| 646 _request.setCharacterEncodingUnchecked(_charset); | |
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|
647 |
| 826 | 648 // Either handle now or wait for first content |
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|
649 if ((_parser.getContentLength()<=0 && !_parser.isChunking())||_expect100Continue) |
| 826 | 650 handleRequest(); |
| 651 else | |
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652 _delayedHandling = true; |
| 826 | 653 } |
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654 |
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655 private void content(Buffer buffer) throws IOException |
| 826 | 656 { |
| 657 if (_delayedHandling) | |
| 658 { | |
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659 _delayedHandling = false; |
| 826 | 660 handleRequest(); |
| 661 } | |
| 662 } | |
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663 |
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664 private void messageComplete(long contentLength) throws IOException |
| 826 | 665 { |
| 666 if (_delayedHandling) | |
| 667 { | |
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668 _delayedHandling = false; |
| 826 | 669 handleRequest(); |
| 670 } | |
| 671 } | |
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672 |
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673 private void earlyEOF() |
| 826 | 674 { |
| 675 _earlyEOF = true; | |
| 676 } | |
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677 |
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|
678 |
| 980 | 679 private class RequestHandler implements HttpParser.EventHandler |
| 826 | 680 { |
| 681 @Override | |
| 682 public void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 683 { | |
| 684 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 685 } | |
|
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|
686 |
| 826 | 687 @Override |
| 688 public void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 689 { | |
| 690 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 691 } | |
|
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|
692 |
| 826 | 693 @Override |
| 694 public void headerComplete() throws IOException | |
| 695 { | |
| 696 AbstractHttpConnection.this.headerComplete(); | |
| 697 } | |
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|
698 |
| 826 | 699 @Override |
| 700 public void content(Buffer ref) throws IOException | |
| 701 { | |
| 702 AbstractHttpConnection.this.content(ref); | |
| 703 } | |
|
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704 |
| 826 | 705 @Override |
| 706 public void messageComplete(long contentLength) throws IOException | |
| 707 { | |
| 708 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 709 } | |
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710 |
| 826 | 711 @Override |
| 712 public void earlyEOF() | |
| 713 { | |
| 714 AbstractHttpConnection.this.earlyEOF(); | |
| 715 } | |
| 716 } | |
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717 |
|
972
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718 |
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719 public final class Output extends HttpOutput |
| 826 | 720 { |
| 721 Output() | |
| 722 { | |
| 723 super(AbstractHttpConnection.this); | |
| 724 } | |
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725 |
| 826 | 726 /* ------------------------------------------------------------ */ |
| 727 /* | |
| 728 * @see java.io.OutputStream#close() | |
| 729 */ | |
| 730 @Override | |
| 731 public void close() throws IOException | |
| 732 { | |
| 733 if (isClosed()) | |
| 734 return; | |
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735 |
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736 if (!super._generator.isCommitted()) |
| 826 | 737 commitResponse(Generator.LAST); |
| 738 else | |
| 739 flushResponse(); | |
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740 |
| 826 | 741 super.close(); |
| 742 } | |
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743 |
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744 |
| 826 | 745 /* ------------------------------------------------------------ */ |
| 746 /* | |
| 747 * @see java.io.OutputStream#flush() | |
| 748 */ | |
| 749 @Override | |
| 750 public void flush() throws IOException | |
| 751 { | |
| 752 if (!super._generator.isCommitted()) | |
| 753 commitResponse(Generator.MORE); | |
| 754 super.flush(); | |
| 755 } | |
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756 |
| 826 | 757 /* ------------------------------------------------------------ */ |
| 758 /* | |
| 759 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 760 */ | |
| 761 @Override | |
| 762 public void print(String s) throws IOException | |
| 763 { | |
| 764 if (isClosed()) | |
| 765 throw new IOException("Closed"); | |
| 766 PrintWriter writer=getPrintWriter(null); | |
| 767 writer.print(s); | |
| 768 } | |
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769 |
| 826 | 770 public void sendResponse(Buffer response) throws IOException |
| 771 { | |
| 772 ((HttpGenerator)super._generator).sendResponse(response); | |
| 773 } | |
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774 |
| 826 | 775 public void sendContent(Object content) throws IOException |
| 776 { | |
| 777 Resource resource=null; | |
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778 |
| 826 | 779 if (isClosed()) |
| 780 throw new IOException("Closed"); | |
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781 |
| 826 | 782 if (super._generator.isWritten()) |
| 783 throw new IllegalStateException("!empty"); | |
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784 |
| 826 | 785 if (content instanceof Resource) |
| 786 { | |
| 787 resource=(Resource)content; | |
| 788 _responseFields.putDateField(HttpHeaders.LAST_MODIFIED_BUFFER, resource.lastModified()); | |
| 789 content=resource.getInputStream(); | |
| 790 } | |
| 791 | |
| 792 // Process content. | |
| 793 if (content instanceof Buffer) | |
| 794 { | |
| 795 super._generator.addContent((Buffer) content, Generator.LAST); | |
| 796 commitResponse(Generator.LAST); | |
| 797 } | |
| 798 else if (content instanceof InputStream) | |
| 799 { | |
| 800 InputStream in = (InputStream)content; | |
| 801 | |
| 802 try | |
| 803 { | |
| 804 int max = super._generator.prepareUncheckedAddContent(); | |
| 805 Buffer buffer = super._generator.getUncheckedBuffer(); | |
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806 |
| 826 | 807 int len=buffer.readFrom(in,max); |
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808 |
| 826 | 809 while (len>=0) |
| 810 { | |
| 811 super._generator.completeUncheckedAddContent(); | |
| 812 _out.flush(); | |
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813 |
| 826 | 814 max = super._generator.prepareUncheckedAddContent(); |
| 815 buffer = super._generator.getUncheckedBuffer(); | |
| 816 len=buffer.readFrom(in,max); | |
| 817 } | |
| 818 super._generator.completeUncheckedAddContent(); | |
| 819 _out.flush(); | |
| 820 } | |
| 821 finally | |
| 822 { | |
| 823 if (resource!=null) | |
| 824 resource.release(); | |
| 825 else | |
| 826 in.close(); | |
| 827 } | |
| 828 } | |
| 829 else | |
| 830 throw new IllegalArgumentException("unknown content type?"); | |
| 981 | 831 } |
| 832 } | |
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833 |
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834 |
| 981 | 835 private final class HttpInput extends ServletInputStream |
| 836 { | |
| 837 /* ------------------------------------------------------------ */ | |
| 838 /* | |
| 839 * @see java.io.InputStream#read() | |
| 840 */ | |
| 841 @Override | |
| 842 public int read() throws IOException | |
| 843 { | |
| 844 byte[] bytes = new byte[1]; | |
| 845 int read = read(bytes, 0, 1); | |
| 846 return read < 0 ? -1 : 0xff & bytes[0]; | |
| 847 } | |
| 848 | |
| 849 /* ------------------------------------------------------------ */ | |
| 850 /* | |
| 851 * @see java.io.InputStream#read(byte[], int, int) | |
| 852 */ | |
| 853 @Override | |
| 854 public int read(byte[] b, int off, int len) throws IOException | |
| 855 { | |
| 856 int l = -1; | |
| 857 Buffer content = _parser.blockForContent(getMaxIdleTime()); | |
| 858 if (content!=null) | |
| 859 l = content.get(b, off, len); | |
| 860 else if (_earlyEOF) | |
| 861 throw new EofException("early EOF"); | |
| 862 return l; | |
| 863 } | |
| 864 | |
| 865 @Override | |
| 866 public int available() throws IOException | |
| 867 { | |
| 868 return _parser.available(); | |
| 826 | 869 } |
| 870 } | |
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871 |
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872 } |