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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 1038:b71ad168fe34
rename Buffer.length() to remaining()
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Thu, 03 Nov 2016 22:16:11 -0600 |
| parents | b87f97f6418a |
| children | a8c92b0a08ed |
| rev | line source |
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1 // |
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2 // ======================================================================== |
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
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4 // ------------------------------------------------------------------------ |
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5 // All rights reserved. This program and the accompanying materials |
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6 // are made available under the terms of the Eclipse Public License v1.0 |
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7 // and Apache License v2.0 which accompanies this distribution. |
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8 // |
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9 // The Eclipse Public License is available at |
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10 // http://www.eclipse.org/legal/epl-v10.html |
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11 // |
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12 // The Apache License v2.0 is available at |
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13 // http://www.opensource.org/licenses/apache2.0.php |
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14 // |
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15 // You may elect to redistribute this code under either of these licenses. |
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16 // ======================================================================== |
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17 // |
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18 |
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19 package org.eclipse.jetty.server; |
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20 |
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21 import java.io.IOException; |
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22 import java.io.InputStream; |
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23 import java.io.PrintWriter; |
| 985 | 24 import java.io.Writer; |
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25 |
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26 import javax.servlet.ServletInputStream; |
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27 import javax.servlet.ServletOutputStream; |
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28 import javax.servlet.http.HttpServletRequest; |
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29 import javax.servlet.http.HttpServletResponse; |
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30 |
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31 import org.eclipse.jetty.http.HttpException; |
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32 import org.eclipse.jetty.http.HttpFields; |
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33 import org.eclipse.jetty.http.HttpGenerator; |
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34 import org.eclipse.jetty.http.HttpHeaderValues; |
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35 import org.eclipse.jetty.http.HttpHeaders; |
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36 import org.eclipse.jetty.http.HttpMethods; |
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37 import org.eclipse.jetty.http.HttpParser; |
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38 import org.eclipse.jetty.http.HttpStatus; |
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39 import org.eclipse.jetty.http.HttpURI; |
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40 import org.eclipse.jetty.http.HttpVersions; |
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41 import org.eclipse.jetty.http.MimeTypes; |
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42 import org.eclipse.jetty.io.AbstractConnection; |
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43 import org.eclipse.jetty.io.Buffer; |
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44 import org.eclipse.jetty.io.Buffers; |
| 985 | 45 import org.eclipse.jetty.io.ByteArrayBuffer; |
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46 import org.eclipse.jetty.io.EndPoint; |
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47 import org.eclipse.jetty.io.EofException; |
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48 import org.eclipse.jetty.io.RuntimeIOException; |
| 985 | 49 import org.eclipse.jetty.util.ByteArrayOutputStream2; |
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50 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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51 import org.eclipse.jetty.util.StringUtil; |
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52 import org.eclipse.jetty.util.URIUtil; |
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53 import org.slf4j.Logger; |
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54 import org.slf4j.LoggerFactory; |
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55 import org.eclipse.jetty.util.resource.Resource; |
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56 |
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57 /** |
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58 * <p>A HttpConnection represents the connection of a HTTP client to the server |
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59 * and is created by an instance of a {@link Connector}. It's prime function is |
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60 * to associate {@link Request} and {@link Response} instances with a {@link EndPoint}. |
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61 * </p> |
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62 * <p> |
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63 * A connection is also the prime mechanism used by jetty to recycle objects without |
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64 * pooling. The {@link Request}, {@link Response}, {@link HttpParser}, {@link HttpGenerator} |
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65 * and {@link HttpFields} instances are all recycled for the duraction of |
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66 * a connection. Where appropriate, allocated buffers are also kept associated |
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67 * with the connection via the parser and/or generator. |
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68 * </p> |
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69 * <p> |
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70 * The connection state is held by 3 separate state machines: The request state, the |
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71 * response state and the continuation state. All three state machines must be driven |
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72 * to completion for every request, and all three can complete in any order. |
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73 * </p> |
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74 * <p> |
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75 * The HttpConnection support protocol upgrade. If on completion of a request, the |
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76 * response code is 101 (switch protocols), then the org.eclipse.jetty.io.Connection |
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77 * request attribute is checked to see if there is a new Connection instance. If so, |
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78 * the new connection is returned from {@link #handle()} and is used for future |
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79 * handling of the underlying connection. Note that for switching protocols that |
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80 * don't use 101 responses (eg CONNECT), the response should be sent and then the |
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81 * status code changed to 101 before returning from the handler. Implementors |
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82 * of new Connection types should be careful to extract any buffered data from |
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83 * (HttpParser)http.getParser()).getHeaderBuffer() and |
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84 * (HttpParser)http.getParser()).getBodyBuffer() to initialise their new connection. |
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85 * </p> |
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86 * |
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87 */ |
| 982 | 88 public abstract class AbstractHttpConnection extends AbstractConnection |
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89 { |
| 826 | 90 private static final Logger LOG = LoggerFactory.getLogger(AbstractHttpConnection.class); |
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91 |
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92 private final Connector _connector; |
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93 private final Server _server; |
| 1013 | 94 protected final HttpURI _uri = new HttpURI(); |
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95 |
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96 protected volatile HttpParser _parser; |
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97 protected final HttpFields _requestFields = new HttpFields(); |
| 1015 | 98 public volatile Request _request; |
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99 private volatile ServletInputStream _in; |
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100 |
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101 protected volatile HttpGenerator _generator; |
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102 final HttpFields _responseFields = new HttpFields(); |
| 1015 | 103 protected volatile Response _response; |
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104 private volatile Output _out; |
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105 private volatile HttpWriter _writer; |
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106 private volatile PrintWriter _printWriter; |
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107 |
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108 private int _version = -2; // UNKNOWN |
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109 |
| 826 | 110 private String _charset; |
| 111 private boolean _expect = false; | |
| 112 private boolean _expect100Continue = false; | |
| 113 private boolean _head = false; | |
| 114 private boolean _host = false; | |
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115 private boolean _delayedHandling = false; |
| 826 | 116 private boolean _earlyEOF = false; |
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117 |
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118 protected AbstractHttpConnection(Connector connector, EndPoint endpoint) |
| 826 | 119 { |
| 120 super(endpoint); | |
| 121 _connector = connector; | |
| 1015 | 122 _server = connector.server; |
| 123 init(); | |
| 124 } | |
| 125 | |
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126 void initParser() { |
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127 Buffers buffers = _connector.getRequestBuffers(); |
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128 _parser = new HttpParser(buffers.getHeader(), buffers.getBuffer(), _endp, new RequestHandler()); |
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129 } |
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130 |
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131 void initGenerator() { |
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132 if( _generator != null ) |
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133 _generator.shutdown(); |
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134 _generator = new HttpGenerator(_connector.getResponseBuffers(), _endp); |
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135 } |
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136 |
| 1015 | 137 private void init() { |
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138 initParser(); |
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139 initGenerator(); |
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140 _request = new Request(this); |
| 826 | 141 _response = new Response(this); |
| 142 } | |
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143 |
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144 public final Connector getConnector() |
| 826 | 145 { |
| 146 return _connector; | |
| 147 } | |
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148 |
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149 public final Request getRequest() |
| 826 | 150 { |
| 151 return _request; | |
| 152 } | |
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153 |
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154 public final Response getResponse() |
| 826 | 155 { |
| 156 return _response; | |
| 157 } | |
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158 |
| 826 | 159 /* ------------------------------------------------------------ */ |
| 160 /** | |
| 161 * Get the inputStream from the connection. | |
| 162 * <p> | |
| 163 * If the associated response has the Expect header set to 100 Continue, | |
| 164 * then accessing the input stream indicates that the handler/servlet | |
| 165 * is ready for the request body and thus a 100 Continue response is sent. | |
| 166 * | |
| 167 * @return The input stream for this connection. | |
| 168 * The stream will be created if it does not already exist. | |
| 169 * @throws IOException if the input stream cannot be retrieved | |
| 170 */ | |
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171 public final ServletInputStream getInputStream() throws IOException |
| 826 | 172 { |
| 173 // If the client is expecting 100 CONTINUE, then send it now. | |
| 174 if (_expect100Continue) | |
| 175 { | |
| 176 // is content missing? | |
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177 if (_parser._header.remaining()<2) |
| 826 | 178 { |
| 179 if (_generator.isCommitted()) | |
| 180 throw new IllegalStateException("Committed before 100 Continues"); | |
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181 |
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182 _generator.send1xx(HttpStatus.CONTINUE_100); |
| 826 | 183 } |
| 184 _expect100Continue=false; | |
| 185 } | |
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186 |
| 826 | 187 if (_in == null) |
| 981 | 188 _in = new HttpInput(); |
| 826 | 189 return _in; |
| 190 } | |
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191 |
| 826 | 192 /* ------------------------------------------------------------ */ |
| 193 /** | |
| 194 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
| 195 */ | |
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196 public final ServletOutputStream getOutputStream() |
| 826 | 197 { |
| 198 if (_out == null) | |
| 199 _out = new Output(); | |
| 200 return _out; | |
| 201 } | |
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202 |
| 826 | 203 /* ------------------------------------------------------------ */ |
| 204 /** | |
| 205 * @param encoding the PrintWriter encoding | |
| 206 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
| 207 * does not already exist. | |
| 208 */ | |
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209 public final PrintWriter getPrintWriter(String encoding) |
| 826 | 210 { |
| 211 getOutputStream(); | |
| 212 if (_writer==null) | |
| 213 { | |
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214 _writer = new HttpWriter(_out); |
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215 _printWriter = new PrintWriter(_writer) |
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216 { |
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217 public void close() |
| 826 | 218 { |
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219 synchronized (lock) |
| 826 | 220 { |
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221 try |
| 826 | 222 { |
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223 out.close(); |
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224 } |
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225 catch (IOException e) |
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226 { |
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227 setError(); |
| 826 | 228 } |
| 229 } | |
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230 } |
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231 }; |
| 826 | 232 } |
| 233 _writer.setCharacterEncoding(encoding); | |
| 234 return _printWriter; | |
| 235 } | |
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236 |
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237 protected void reset() |
| 826 | 238 { |
| 239 _requestFields.clear(); | |
| 240 _responseFields.clear(); | |
| 241 _uri.clear(); | |
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242 _writer = null; |
| 826 | 243 _earlyEOF = false; |
| 1015 | 244 init(); |
| 826 | 245 } |
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246 |
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247 private void handleRequest() throws IOException |
| 826 | 248 { |
| 249 boolean error = false; | |
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250 |
| 826 | 251 try |
| 252 { | |
| 253 // Loop here to handle async request redispatches. | |
| 254 // The loop is controlled by the call to async.unhandle in the | |
| 255 // finally block below. If call is from a non-blocking connector, | |
| 256 // then the unhandle will return false only if an async dispatch has | |
| 257 // already happened when unhandle is called. For a blocking connector, | |
| 258 // the wait for the asynchronous dispatch or timeout actually happens | |
| 259 // within the call to unhandle(). | |
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260 |
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261 _request.setHandled(false); |
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262 |
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263 String info=null; |
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264 try |
| 826 | 265 { |
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266 _uri.getPort(); |
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267 String path = null; |
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268 |
| 826 | 269 try |
| 270 { | |
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271 path = _uri.getDecodedPath(); |
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272 } |
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273 catch (Exception e) |
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274 { |
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275 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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276 LOG.trace("",e); |
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277 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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278 } |
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279 |
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280 info = URIUtil.canonicalPath(path); |
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281 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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282 { |
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283 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 284 { |
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285 info="/"; |
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286 _request.setRequestURI(""); |
| 826 | 287 } |
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288 else |
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289 throw new HttpException(400); |
| 826 | 290 } |
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291 _request.setPathInfo(info); |
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292 |
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293 if (_out!=null) |
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294 _out.reopen(); |
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295 |
| 1001 | 296 _connector.customize(this); |
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297 _server.handle(this); |
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298 } |
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299 catch (EofException e) |
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300 { |
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301 LOG.debug("",e); |
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302 error=true; |
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303 _request.setHandled(true); |
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304 if (!_response.isCommitted()) |
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305 _generator.sendError(500, null, null, true); |
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306 } |
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307 catch (RuntimeIOException e) |
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308 { |
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309 LOG.debug("",e); |
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310 error=true; |
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311 _request.setHandled(true); |
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312 } |
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313 catch (HttpException e) |
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314 { |
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315 LOG.debug("",e); |
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316 error=true; |
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317 _request.setHandled(true); |
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318 _response.sendError(e.getStatus(), e.getReason()); |
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319 } |
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320 catch (Throwable e) |
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321 { |
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322 LOG.warn(String.valueOf(_uri),e); |
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323 error=true; |
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324 _request.setHandled(true); |
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325 _generator.sendError(info==null?400:500, null, null, true); |
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326 |
| 826 | 327 } |
| 328 } | |
| 329 finally | |
| 330 { | |
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331 if (_expect100Continue) |
| 826 | 332 { |
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333 LOG.debug("100 continues not sent"); |
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334 // We didn't send 100 continues, but the latest interpretation |
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335 // of the spec (see httpbis) is that the client will either |
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336 // send the body anyway, or close. So we no longer need to |
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337 // do anything special here other than make the connection not persistent |
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338 _expect100Continue = false; |
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339 if (!_response.isCommitted()) |
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340 _generator.setPersistent(false); |
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341 } |
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342 |
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343 if(_endp.isOpen()) |
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344 { |
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345 if (error) |
| 826 | 346 { |
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347 _endp.shutdownOutput(); |
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348 _generator.setPersistent(false); |
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349 if (!_generator.isComplete()) |
| 826 | 350 _response.complete(); |
| 351 } | |
| 352 else | |
| 353 { | |
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354 if (!_response.isCommitted() && !_request.isHandled()) |
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355 _response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 826 | 356 _response.complete(); |
| 357 } | |
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358 } |
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359 else |
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360 { |
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361 _response.complete(); |
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362 } |
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363 |
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364 _request.setHandled(true); |
| 826 | 365 } |
| 366 } | |
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367 |
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368 |
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369 public final void commitResponse(boolean last) throws IOException |
| 826 | 370 { |
| 371 if (!_generator.isCommitted()) | |
| 372 { | |
| 373 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 374 try | |
| 375 { | |
| 376 // If the client was expecting 100 continues, but we sent something | |
| 377 // else, then we need to close the connection | |
| 378 if (_expect100Continue && _response.getStatus()!=100) | |
| 379 _generator.setPersistent(false); | |
| 380 _generator.completeHeader(_responseFields, last); | |
| 381 } | |
| 382 catch(RuntimeException e) | |
| 383 { | |
| 384 LOG.warn("header full: " + e); | |
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385 |
| 826 | 386 _response.reset(); |
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387 initGenerator(); |
| 826 | 388 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); |
| 982 | 389 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 390 _generator.complete(); |
| 391 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 392 } | |
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393 |
| 826 | 394 } |
| 395 if (last) | |
| 396 _generator.complete(); | |
| 397 } | |
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398 |
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399 public final void completeResponse() throws IOException |
| 826 | 400 { |
| 401 if (!_generator.isCommitted()) | |
| 402 { | |
| 403 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 404 try | |
| 405 { | |
| 982 | 406 _generator.completeHeader(_responseFields, HttpGenerator.LAST); |
| 826 | 407 } |
| 408 catch(RuntimeException e) | |
| 409 { | |
| 410 LOG.warn("header full: "+e); | |
| 411 LOG.debug("",e); | |
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412 |
| 826 | 413 _response.reset(); |
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414 initGenerator(); |
| 826 | 415 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); |
| 982 | 416 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 417 _generator.complete(); |
| 418 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 419 } | |
| 420 } | |
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421 |
| 826 | 422 _generator.complete(); |
| 423 } | |
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424 |
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425 public final void flushResponse() throws IOException |
| 826 | 426 { |
| 427 try | |
| 428 { | |
| 982 | 429 commitResponse(HttpGenerator.MORE); |
| 826 | 430 _generator.flushBuffer(); |
| 431 } | |
| 432 catch(IOException e) | |
| 433 { | |
| 434 throw (e instanceof EofException) ? e:new EofException(e); | |
| 435 } | |
| 436 } | |
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437 |
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438 public final int getMaxIdleTime() |
| 826 | 439 { |
| 996 | 440 if (_connector.server.isLowOnThreads() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) |
| 913 | 441 return 0; |
| 826 | 442 if (_endp.getMaxIdleTime()>0) |
| 443 return _endp.getMaxIdleTime(); | |
| 444 return _connector.getMaxIdleTime(); | |
| 445 } | |
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446 |
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447 @Override |
| 826 | 448 public String toString() |
| 449 { | |
| 1001 | 450 return String.format("%s,g=%s,p=%s", |
| 826 | 451 super.toString(), |
| 452 _generator, | |
| 1001 | 453 _parser); |
| 826 | 454 } |
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455 |
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456 private void startRequest(String method, String uri, String version) throws IOException |
| 826 | 457 { |
| 458 _host = false; | |
| 459 _expect = false; | |
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460 _expect100Continue = false; |
| 826 | 461 _delayedHandling=false; |
| 462 _charset=null; | |
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463 |
| 826 | 464 if(_request.getTimeStamp()==0) |
| 465 _request.setTimeStamp(System.currentTimeMillis()); | |
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466 _request.setMethod(method); |
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467 |
| 826 | 468 try |
| 469 { | |
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470 _head = false; |
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471 byte[] bytes = StringUtil.getBytes(uri); |
| 826 | 472 switch (HttpMethods.CACHE.getOrdinal(method)) |
| 473 { | |
| 474 case HttpMethods.CONNECT_ORDINAL: | |
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475 _uri.parseConnect(bytes, 0, bytes.length); |
| 826 | 476 break; |
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477 |
| 826 | 478 case HttpMethods.HEAD_ORDINAL: |
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479 _head = true; |
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480 _uri.parse(bytes, 0, bytes.length); |
| 826 | 481 break; |
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482 |
| 826 | 483 default: |
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484 _uri.parse(bytes, 0, bytes.length); |
| 826 | 485 } |
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486 |
| 826 | 487 _request.setUri(_uri); |
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488 |
| 826 | 489 if (version==null) |
| 490 { | |
| 491 _request.setProtocol(HttpVersions.HTTP_0_9); | |
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492 _version = HttpVersions.HTTP_0_9_ORDINAL; |
| 826 | 493 } |
| 494 else | |
| 495 { | |
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496 if (!HttpVersions.CACHE.contains(version)) |
| 826 | 497 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); |
| 498 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 499 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 500 _request.setProtocol(version.toString()); | |
| 501 } | |
| 502 } | |
| 503 catch (Exception e) | |
| 504 { | |
| 505 LOG.debug("",e); | |
| 506 if (e instanceof HttpException) | |
| 507 throw (HttpException)e; | |
| 508 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 509 } | |
| 510 } | |
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|
511 |
| 1021 | 512 private void parsedHeader(String name, String value) throws IOException |
| 826 | 513 { |
| 514 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 515 switch (ho) | |
| 516 { | |
| 517 case HttpHeaders.HOST_ORDINAL: | |
| 518 // TODO check if host matched a host in the URI. | |
| 519 _host = true; | |
| 520 break; | |
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521 |
| 826 | 522 case HttpHeaders.EXPECT_ORDINAL: |
| 523 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 524 { | |
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|
525 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 526 switch(HttpHeaderValues.CACHE.getOrdinal(value)) |
| 527 { | |
| 528 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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529 _expect100Continue = true; |
| 826 | 530 break; |
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|
531 |
| 826 | 532 default: |
| 533 String[] values = value.toString().split(","); | |
| 534 for (int i=0;values!=null && i<values.length;i++) | |
| 535 { | |
|
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536 int cb = HttpHeaderValues.CACHE.getOrdinal(values[i].trim()); |
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537 if (cb == -1) |
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538 _expect = true; |
| 826 | 539 else |
| 540 { | |
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|
541 switch(cb) |
| 826 | 542 { |
| 543 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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544 _expect100Continue = true; |
| 826 | 545 break; |
| 546 default: | |
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547 _expect = true; |
| 826 | 548 } |
| 549 } | |
| 550 } | |
| 551 } | |
| 552 } | |
| 553 break; | |
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554 |
| 826 | 555 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 556 case HttpHeaders.USER_AGENT_ORDINAL: | |
|
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557 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 558 break; |
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559 |
| 826 | 560 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
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561 // value = MimeTypes.CACHE.lookup(value); |
|
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|
562 _charset = MimeTypes.getCharsetFromContentType(value); |
| 826 | 563 break; |
| 564 } | |
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|
565 |
| 826 | 566 _requestFields.add(name, value); |
| 567 } | |
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|
568 |
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|
569 private void headerComplete() throws IOException |
| 826 | 570 { |
| 571 // Handle idle race | |
| 572 if (_endp.isOutputShutdown()) | |
| 573 { | |
| 574 _endp.close(); | |
| 575 return; | |
| 576 } | |
| 577 | |
| 578 _generator.setVersion(_version); | |
| 579 switch (_version) | |
| 580 { | |
| 581 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 582 break; | |
| 583 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 584 _generator.setHead(_head); | |
| 585 if (_parser.isPersistent()) | |
| 586 { | |
|
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|
587 _responseFields.add(HttpHeaders.CONNECTION, HttpHeaderValues.KEEP_ALIVE); |
| 826 | 588 _generator.setPersistent(true); |
| 589 } | |
| 590 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 591 { | |
| 592 _generator.setPersistent(true); | |
| 593 _parser.setPersistent(true); | |
| 594 } | |
| 595 break; | |
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|
596 |
| 826 | 597 case HttpVersions.HTTP_1_1_ORDINAL: |
| 598 _generator.setHead(_head); | |
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|
599 |
| 826 | 600 if (!_parser.isPersistent()) |
| 601 { | |
|
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|
602 _responseFields.add(HttpHeaders.CONNECTION,HttpHeaderValues.CLOSE); |
| 826 | 603 _generator.setPersistent(false); |
| 604 } | |
|
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|
605 |
| 826 | 606 if (!_host) |
| 607 { | |
| 608 LOG.debug("!host {}",this); | |
| 609 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
|
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|
610 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 611 _generator.completeHeader(_responseFields, true); |
| 612 _generator.complete(); | |
| 613 return; | |
| 614 } | |
|
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|
615 |
| 826 | 616 if (_expect) |
| 617 { | |
| 618 LOG.debug("!expectation {}",this); | |
| 619 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
|
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|
620 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 621 _generator.completeHeader(_responseFields, true); |
| 622 _generator.complete(); | |
| 623 return; | |
| 624 } | |
|
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|
625 |
| 826 | 626 break; |
| 627 default: | |
| 628 } | |
|
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|
629 |
| 826 | 630 if(_charset!=null) |
| 631 _request.setCharacterEncodingUnchecked(_charset); | |
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|
632 |
| 826 | 633 // Either handle now or wait for first content |
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|
634 if ((_parser.getContentLength()<=0 && !_parser.isChunking())||_expect100Continue) |
| 826 | 635 handleRequest(); |
| 636 else | |
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|
637 _delayedHandling = true; |
| 826 | 638 } |
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|
639 |
| 1036 | 640 private void content() throws IOException |
| 826 | 641 { |
| 642 if (_delayedHandling) | |
| 643 { | |
|
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|
644 _delayedHandling = false; |
| 826 | 645 handleRequest(); |
| 646 } | |
| 647 } | |
|
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|
648 |
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|
649 private void messageComplete(long contentLength) throws IOException |
| 826 | 650 { |
| 651 if (_delayedHandling) | |
| 652 { | |
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|
653 _delayedHandling = false; |
| 826 | 654 handleRequest(); |
| 655 } | |
| 656 } | |
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|
657 |
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|
658 private void earlyEOF() |
| 826 | 659 { |
| 660 _earlyEOF = true; | |
| 661 } | |
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|
662 |
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|
663 |
| 980 | 664 private class RequestHandler implements HttpParser.EventHandler |
| 826 | 665 { |
| 666 @Override | |
|
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|
667 public void startRequest(String method, String uri, String version) throws IOException |
| 826 | 668 { |
| 669 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 670 } | |
|
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|
671 |
| 826 | 672 @Override |
| 1021 | 673 public void parsedHeader(String name, String value) throws IOException |
| 826 | 674 { |
| 675 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 676 } | |
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677 |
| 826 | 678 @Override |
| 679 public void headerComplete() throws IOException | |
| 680 { | |
| 681 AbstractHttpConnection.this.headerComplete(); | |
| 682 } | |
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683 |
| 826 | 684 @Override |
| 1036 | 685 public void content() throws IOException |
| 826 | 686 { |
| 1036 | 687 AbstractHttpConnection.this.content(); |
| 826 | 688 } |
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689 |
| 826 | 690 @Override |
| 691 public void messageComplete(long contentLength) throws IOException | |
| 692 { | |
| 693 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 694 } | |
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695 |
| 826 | 696 @Override |
| 697 public void earlyEOF() | |
| 698 { | |
| 699 AbstractHttpConnection.this.earlyEOF(); | |
| 700 } | |
| 701 } | |
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702 |
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703 |
| 985 | 704 public final class Output extends ServletOutputStream |
| 826 | 705 { |
| 985 | 706 private boolean _closed; |
| 707 private ByteArrayBuffer _onebyte; | |
| 708 | |
| 709 // These are held here for reuse by Writer | |
| 710 String _characterEncoding; | |
| 711 Writer _converter; | |
| 712 char[] _chars; | |
| 713 ByteArrayOutputStream2 _bytes; | |
| 714 | |
| 715 public final void reopen() | |
| 716 { | |
| 717 _closed = false; | |
| 718 } | |
| 719 | |
| 720 @Override | |
| 721 public final void write(byte[] b, int off, int len) throws IOException | |
| 722 { | |
| 723 write(new ByteArrayBuffer(b,off,len)); | |
| 724 } | |
| 725 | |
| 726 @Override | |
| 727 public final void write(byte[] b) throws IOException | |
| 728 { | |
| 729 write(new ByteArrayBuffer(b)); | |
| 730 } | |
| 731 | |
| 732 @Override | |
| 733 public final void write(int b) throws IOException | |
| 826 | 734 { |
| 985 | 735 if (_onebyte==null) |
| 736 _onebyte = new ByteArrayBuffer(1); | |
| 737 else | |
| 738 _onebyte.clear(); | |
| 739 _onebyte.put((byte)b); | |
| 740 write(_onebyte); | |
| 826 | 741 } |
| 985 | 742 |
| 743 private void write(Buffer buffer) throws IOException | |
| 744 { | |
| 745 if (_closed) | |
| 746 throw new IOException("Closed"); | |
| 747 if (!_generator.isOpen()) | |
| 748 throw new EofException(); | |
| 749 | |
| 750 // Block until we can add _content. | |
| 751 while (_generator.isBufferFull()) | |
| 752 { | |
| 753 _generator.blockForOutput(getMaxIdleTime()); | |
| 754 if (_closed) | |
| 755 throw new IOException("Closed"); | |
| 756 if (!_generator.isOpen()) | |
| 757 throw new EofException(); | |
| 758 } | |
| 759 | |
| 760 // Add the _content | |
| 761 _generator.addContent(buffer, HttpGenerator.MORE); | |
| 762 | |
| 763 // Have to flush and complete headers? | |
| 764 | |
| 765 if (_generator.isAllContentWritten()) | |
| 766 { | |
| 767 flush(); | |
| 768 close(); | |
| 769 } | |
| 770 else if (_generator.isBufferFull()) | |
| 771 commitResponse(HttpGenerator.MORE); | |
| 772 | |
| 773 // Block until our buffer is free | |
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774 while (buffer.remaining() > 0 && _generator.isOpen()) |
| 985 | 775 { |
| 776 _generator.blockForOutput(getMaxIdleTime()); | |
| 777 } | |
| 778 } | |
| 779 | |
| 780 | |
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781 |
| 826 | 782 /* ------------------------------------------------------------ */ |
| 783 /* | |
| 784 * @see java.io.OutputStream#close() | |
| 785 */ | |
| 786 @Override | |
| 787 public void close() throws IOException | |
| 788 { | |
| 985 | 789 if (_closed) |
| 826 | 790 return; |
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791 |
| 985 | 792 if (!_generator.isCommitted()) |
| 982 | 793 commitResponse(HttpGenerator.LAST); |
| 826 | 794 else |
| 795 flushResponse(); | |
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796 |
| 985 | 797 _closed = true; |
| 826 | 798 } |
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799 |
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800 |
| 826 | 801 /* ------------------------------------------------------------ */ |
| 802 /* | |
| 803 * @see java.io.OutputStream#flush() | |
| 804 */ | |
| 805 @Override | |
| 806 public void flush() throws IOException | |
| 807 { | |
| 985 | 808 if (!_generator.isCommitted()) |
| 982 | 809 commitResponse(HttpGenerator.MORE); |
| 985 | 810 _generator.flush(getMaxIdleTime()); |
| 826 | 811 } |
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812 |
| 826 | 813 /* ------------------------------------------------------------ */ |
| 814 /* | |
| 815 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 816 */ | |
| 817 @Override | |
| 818 public void print(String s) throws IOException | |
| 819 { | |
| 985 | 820 if (_closed) |
| 826 | 821 throw new IOException("Closed"); |
| 985 | 822 PrintWriter writer = getPrintWriter(null); |
| 826 | 823 writer.print(s); |
| 824 } | |
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825 |
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826 public final void sendContent(InputStream in) throws IOException |
| 826 | 827 { |
| 985 | 828 if (_closed) |
| 826 | 829 throw new IOException("Closed"); |
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830 |
| 985 | 831 if (_generator.isWritten()) |
| 826 | 832 throw new IllegalStateException("!empty"); |
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833 |
|
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834 try |
| 826 | 835 { |
|
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836 int max = _generator.prepareUncheckedAddContent(); |
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837 Buffer buffer = _generator.getUncheckedBuffer(); |
| 826 | 838 |
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839 int len = buffer.readFrom(in,max); |
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840 |
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841 while (len>=0) |
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842 { |
| 985 | 843 _generator.completeUncheckedAddContent(); |
| 826 | 844 _out.flush(); |
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845 |
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846 max = _generator.prepareUncheckedAddContent(); |
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847 buffer = _generator.getUncheckedBuffer(); |
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848 len=buffer.readFrom(in,max); |
| 826 | 849 } |
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850 _generator.completeUncheckedAddContent(); |
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851 _out.flush(); |
| 826 | 852 } |
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853 finally |
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854 { |
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855 in.close(); |
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856 } |
| 981 | 857 } |
| 858 } | |
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859 |
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860 |
| 981 | 861 private final class HttpInput extends ServletInputStream |
| 862 { | |
| 863 /* ------------------------------------------------------------ */ | |
| 864 /* | |
| 865 * @see java.io.InputStream#read() | |
| 866 */ | |
| 867 @Override | |
| 868 public int read() throws IOException | |
| 869 { | |
| 870 byte[] bytes = new byte[1]; | |
| 871 int read = read(bytes, 0, 1); | |
| 872 return read < 0 ? -1 : 0xff & bytes[0]; | |
| 873 } | |
| 874 | |
| 875 /* ------------------------------------------------------------ */ | |
| 876 /* | |
| 877 * @see java.io.InputStream#read(byte[], int, int) | |
| 878 */ | |
| 879 @Override | |
| 880 public int read(byte[] b, int off, int len) throws IOException | |
| 881 { | |
| 882 int l = -1; | |
| 883 Buffer content = _parser.blockForContent(getMaxIdleTime()); | |
| 884 if (content!=null) | |
| 885 l = content.get(b, off, len); | |
| 886 else if (_earlyEOF) | |
| 887 throw new EofException("early EOF"); | |
| 888 return l; | |
| 889 } | |
| 890 | |
| 891 @Override | |
| 892 public int available() throws IOException | |
| 893 { | |
| 894 return _parser.available(); | |
| 826 | 895 } |
| 896 } | |
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897 |
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898 } |