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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 1034:563458c4dc93
remove HttpGenerator.reset()
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Thu, 03 Nov 2016 21:02:59 -0600 |
| parents | 4ada7a8c128a |
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| 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.length()<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 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 241 _responseFields.clear(); | |
| 242 _uri.clear(); | |
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243 _writer = null; |
| 826 | 244 _earlyEOF = false; |
| 1015 | 245 init(); |
| 826 | 246 } |
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247 |
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248 private void handleRequest() throws IOException |
| 826 | 249 { |
| 250 boolean error = false; | |
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251 |
| 826 | 252 try |
| 253 { | |
| 254 // Loop here to handle async request redispatches. | |
| 255 // The loop is controlled by the call to async.unhandle in the | |
| 256 // finally block below. If call is from a non-blocking connector, | |
| 257 // then the unhandle will return false only if an async dispatch has | |
| 258 // already happened when unhandle is called. For a blocking connector, | |
| 259 // the wait for the asynchronous dispatch or timeout actually happens | |
| 260 // within the call to unhandle(). | |
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261 |
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262 _request.setHandled(false); |
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263 |
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264 String info=null; |
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265 try |
| 826 | 266 { |
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267 _uri.getPort(); |
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268 String path = null; |
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269 |
| 826 | 270 try |
| 271 { | |
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272 path = _uri.getDecodedPath(); |
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273 } |
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274 catch (Exception e) |
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275 { |
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276 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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277 LOG.trace("",e); |
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278 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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279 } |
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280 |
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281 info = URIUtil.canonicalPath(path); |
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282 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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283 { |
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284 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 285 { |
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286 info="/"; |
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287 _request.setRequestURI(""); |
| 826 | 288 } |
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289 else |
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290 throw new HttpException(400); |
| 826 | 291 } |
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292 _request.setPathInfo(info); |
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293 |
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294 if (_out!=null) |
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295 _out.reopen(); |
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296 |
| 1001 | 297 _connector.customize(this); |
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298 _server.handle(this); |
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299 } |
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300 catch (EofException e) |
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301 { |
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302 LOG.debug("",e); |
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303 error=true; |
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304 _request.setHandled(true); |
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305 if (!_response.isCommitted()) |
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306 _generator.sendError(500, null, null, true); |
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307 } |
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308 catch (RuntimeIOException e) |
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309 { |
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310 LOG.debug("",e); |
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311 error=true; |
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312 _request.setHandled(true); |
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313 } |
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314 catch (HttpException e) |
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315 { |
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316 LOG.debug("",e); |
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317 error=true; |
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318 _request.setHandled(true); |
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319 _response.sendError(e.getStatus(), e.getReason()); |
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320 } |
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321 catch (Throwable e) |
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322 { |
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323 LOG.warn(String.valueOf(_uri),e); |
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324 error=true; |
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325 _request.setHandled(true); |
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326 _generator.sendError(info==null?400:500, null, null, true); |
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327 |
| 826 | 328 } |
| 329 } | |
| 330 finally | |
| 331 { | |
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332 if (_expect100Continue) |
| 826 | 333 { |
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334 LOG.debug("100 continues not sent"); |
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335 // We didn't send 100 continues, but the latest interpretation |
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336 // of the spec (see httpbis) is that the client will either |
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337 // send the body anyway, or close. So we no longer need to |
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338 // do anything special here other than make the connection not persistent |
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339 _expect100Continue = false; |
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340 if (!_response.isCommitted()) |
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341 _generator.setPersistent(false); |
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342 } |
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343 |
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344 if(_endp.isOpen()) |
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345 { |
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346 if (error) |
| 826 | 347 { |
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348 _endp.shutdownOutput(); |
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349 _generator.setPersistent(false); |
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350 if (!_generator.isComplete()) |
| 826 | 351 _response.complete(); |
| 352 } | |
| 353 else | |
| 354 { | |
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355 if (!_response.isCommitted() && !_request.isHandled()) |
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356 _response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 826 | 357 _response.complete(); |
| 358 } | |
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359 } |
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360 else |
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361 { |
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362 _response.complete(); |
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363 } |
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364 |
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365 _request.setHandled(true); |
| 826 | 366 } |
| 367 } | |
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368 |
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369 |
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370 public final void commitResponse(boolean last) throws IOException |
| 826 | 371 { |
| 372 if (!_generator.isCommitted()) | |
| 373 { | |
| 374 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 375 try | |
| 376 { | |
| 377 // If the client was expecting 100 continues, but we sent something | |
| 378 // else, then we need to close the connection | |
| 379 if (_expect100Continue && _response.getStatus()!=100) | |
| 380 _generator.setPersistent(false); | |
| 381 _generator.completeHeader(_responseFields, last); | |
| 382 } | |
| 383 catch(RuntimeException e) | |
| 384 { | |
| 385 LOG.warn("header full: " + e); | |
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386 |
| 826 | 387 _response.reset(); |
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388 initGenerator(); |
| 826 | 389 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); |
| 982 | 390 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 391 _generator.complete(); |
| 392 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 393 } | |
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394 |
| 826 | 395 } |
| 396 if (last) | |
| 397 _generator.complete(); | |
| 398 } | |
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399 |
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400 public final void completeResponse() throws IOException |
| 826 | 401 { |
| 402 if (!_generator.isCommitted()) | |
| 403 { | |
| 404 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 405 try | |
| 406 { | |
| 982 | 407 _generator.completeHeader(_responseFields, HttpGenerator.LAST); |
| 826 | 408 } |
| 409 catch(RuntimeException e) | |
| 410 { | |
| 411 LOG.warn("header full: "+e); | |
| 412 LOG.debug("",e); | |
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413 |
| 826 | 414 _response.reset(); |
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415 initGenerator(); |
| 826 | 416 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); |
| 982 | 417 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 418 _generator.complete(); |
| 419 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 420 } | |
| 421 } | |
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422 |
| 826 | 423 _generator.complete(); |
| 424 } | |
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425 |
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426 public final void flushResponse() throws IOException |
| 826 | 427 { |
| 428 try | |
| 429 { | |
| 982 | 430 commitResponse(HttpGenerator.MORE); |
| 826 | 431 _generator.flushBuffer(); |
| 432 } | |
| 433 catch(IOException e) | |
| 434 { | |
| 435 throw (e instanceof EofException) ? e:new EofException(e); | |
| 436 } | |
| 437 } | |
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438 |
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439 public final int getMaxIdleTime() |
| 826 | 440 { |
| 996 | 441 if (_connector.server.isLowOnThreads() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) |
| 913 | 442 return 0; |
| 826 | 443 if (_endp.getMaxIdleTime()>0) |
| 444 return _endp.getMaxIdleTime(); | |
| 445 return _connector.getMaxIdleTime(); | |
| 446 } | |
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447 |
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448 @Override |
| 826 | 449 public String toString() |
| 450 { | |
| 1001 | 451 return String.format("%s,g=%s,p=%s", |
| 826 | 452 super.toString(), |
| 453 _generator, | |
| 1001 | 454 _parser); |
| 826 | 455 } |
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456 |
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457 private void startRequest(String method, String uri, String version) throws IOException |
| 826 | 458 { |
| 459 _host = false; | |
| 460 _expect = false; | |
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461 _expect100Continue = false; |
| 826 | 462 _delayedHandling=false; |
| 463 _charset=null; | |
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464 |
| 826 | 465 if(_request.getTimeStamp()==0) |
| 466 _request.setTimeStamp(System.currentTimeMillis()); | |
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467 _request.setMethod(method); |
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468 |
| 826 | 469 try |
| 470 { | |
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471 _head = false; |
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472 byte[] bytes = StringUtil.getBytes(uri); |
| 826 | 473 switch (HttpMethods.CACHE.getOrdinal(method)) |
| 474 { | |
| 475 case HttpMethods.CONNECT_ORDINAL: | |
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476 _uri.parseConnect(bytes, 0, bytes.length); |
| 826 | 477 break; |
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478 |
| 826 | 479 case HttpMethods.HEAD_ORDINAL: |
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480 _head = true; |
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481 _uri.parse(bytes, 0, bytes.length); |
| 826 | 482 break; |
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483 |
| 826 | 484 default: |
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485 _uri.parse(bytes, 0, bytes.length); |
| 826 | 486 } |
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487 |
| 826 | 488 _request.setUri(_uri); |
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489 |
| 826 | 490 if (version==null) |
| 491 { | |
| 492 _request.setProtocol(HttpVersions.HTTP_0_9); | |
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493 _version = HttpVersions.HTTP_0_9_ORDINAL; |
| 826 | 494 } |
| 495 else | |
| 496 { | |
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497 if (!HttpVersions.CACHE.contains(version)) |
| 826 | 498 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); |
| 499 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 500 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 501 _request.setProtocol(version.toString()); | |
| 502 } | |
| 503 } | |
| 504 catch (Exception e) | |
| 505 { | |
| 506 LOG.debug("",e); | |
| 507 if (e instanceof HttpException) | |
| 508 throw (HttpException)e; | |
| 509 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 510 } | |
| 511 } | |
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|
512 |
| 1021 | 513 private void parsedHeader(String name, String value) throws IOException |
| 826 | 514 { |
| 515 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 516 switch (ho) | |
| 517 { | |
| 518 case HttpHeaders.HOST_ORDINAL: | |
| 519 // TODO check if host matched a host in the URI. | |
| 520 _host = true; | |
| 521 break; | |
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522 |
| 826 | 523 case HttpHeaders.EXPECT_ORDINAL: |
| 524 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 525 { | |
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526 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 527 switch(HttpHeaderValues.CACHE.getOrdinal(value)) |
| 528 { | |
| 529 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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530 _expect100Continue = true; |
| 826 | 531 break; |
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|
532 |
| 826 | 533 default: |
| 534 String[] values = value.toString().split(","); | |
| 535 for (int i=0;values!=null && i<values.length;i++) | |
| 536 { | |
|
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537 int cb = HttpHeaderValues.CACHE.getOrdinal(values[i].trim()); |
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|
538 if (cb == -1) |
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539 _expect = true; |
| 826 | 540 else |
| 541 { | |
|
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|
542 switch(cb) |
| 826 | 543 { |
| 544 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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|
545 _expect100Continue = true; |
| 826 | 546 break; |
| 547 default: | |
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548 _expect = true; |
| 826 | 549 } |
| 550 } | |
| 551 } | |
| 552 } | |
| 553 } | |
| 554 break; | |
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|
555 |
| 826 | 556 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 557 case HttpHeaders.USER_AGENT_ORDINAL: | |
|
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558 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 559 break; |
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560 |
| 826 | 561 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
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562 // value = MimeTypes.CACHE.lookup(value); |
|
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|
563 _charset = MimeTypes.getCharsetFromContentType(value); |
| 826 | 564 break; |
| 565 } | |
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566 |
| 826 | 567 _requestFields.add(name, value); |
| 568 } | |
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|
569 |
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|
570 private void headerComplete() throws IOException |
| 826 | 571 { |
| 572 // Handle idle race | |
| 573 if (_endp.isOutputShutdown()) | |
| 574 { | |
| 575 _endp.close(); | |
| 576 return; | |
| 577 } | |
| 578 | |
| 579 _generator.setVersion(_version); | |
| 580 switch (_version) | |
| 581 { | |
| 582 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 583 break; | |
| 584 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 585 _generator.setHead(_head); | |
| 586 if (_parser.isPersistent()) | |
| 587 { | |
|
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|
588 _responseFields.add(HttpHeaders.CONNECTION, HttpHeaderValues.KEEP_ALIVE); |
| 826 | 589 _generator.setPersistent(true); |
| 590 } | |
| 591 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 592 { | |
| 593 _generator.setPersistent(true); | |
| 594 _parser.setPersistent(true); | |
| 595 } | |
| 596 break; | |
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|
597 |
| 826 | 598 case HttpVersions.HTTP_1_1_ORDINAL: |
| 599 _generator.setHead(_head); | |
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|
600 |
| 826 | 601 if (!_parser.isPersistent()) |
| 602 { | |
|
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|
603 _responseFields.add(HttpHeaders.CONNECTION,HttpHeaderValues.CLOSE); |
| 826 | 604 _generator.setPersistent(false); |
| 605 } | |
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|
606 |
| 826 | 607 if (!_host) |
| 608 { | |
| 609 LOG.debug("!host {}",this); | |
| 610 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
|
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|
611 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 612 _generator.completeHeader(_responseFields, true); |
| 613 _generator.complete(); | |
| 614 return; | |
| 615 } | |
|
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|
616 |
| 826 | 617 if (_expect) |
| 618 { | |
| 619 LOG.debug("!expectation {}",this); | |
| 620 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
|
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|
621 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 622 _generator.completeHeader(_responseFields, true); |
| 623 _generator.complete(); | |
| 624 return; | |
| 625 } | |
|
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|
626 |
| 826 | 627 break; |
| 628 default: | |
| 629 } | |
|
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|
630 |
| 826 | 631 if(_charset!=null) |
| 632 _request.setCharacterEncodingUnchecked(_charset); | |
|
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|
633 |
| 826 | 634 // Either handle now or wait for first content |
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|
635 if ((_parser.getContentLength()<=0 && !_parser.isChunking())||_expect100Continue) |
| 826 | 636 handleRequest(); |
| 637 else | |
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|
638 _delayedHandling = true; |
| 826 | 639 } |
|
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|
640 |
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|
641 private void content(Buffer buffer) throws IOException |
| 826 | 642 { |
| 643 if (_delayedHandling) | |
| 644 { | |
|
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|
645 _delayedHandling = false; |
| 826 | 646 handleRequest(); |
| 647 } | |
| 648 } | |
|
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649 |
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|
650 private void messageComplete(long contentLength) throws IOException |
| 826 | 651 { |
| 652 if (_delayedHandling) | |
| 653 { | |
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|
654 _delayedHandling = false; |
| 826 | 655 handleRequest(); |
| 656 } | |
| 657 } | |
|
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|
658 |
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|
659 private void earlyEOF() |
| 826 | 660 { |
| 661 _earlyEOF = true; | |
| 662 } | |
|
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|
663 |
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|
664 |
| 980 | 665 private class RequestHandler implements HttpParser.EventHandler |
| 826 | 666 { |
| 667 @Override | |
|
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|
668 public void startRequest(String method, String uri, String version) throws IOException |
| 826 | 669 { |
| 670 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 671 } | |
|
802
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672 |
| 826 | 673 @Override |
| 1021 | 674 public void parsedHeader(String name, String value) throws IOException |
| 826 | 675 { |
| 676 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 677 } | |
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678 |
| 826 | 679 @Override |
| 680 public void headerComplete() throws IOException | |
| 681 { | |
| 682 AbstractHttpConnection.this.headerComplete(); | |
| 683 } | |
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684 |
| 826 | 685 @Override |
| 686 public void content(Buffer ref) throws IOException | |
| 687 { | |
| 688 AbstractHttpConnection.this.content(ref); | |
| 689 } | |
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690 |
| 826 | 691 @Override |
| 692 public void messageComplete(long contentLength) throws IOException | |
| 693 { | |
| 694 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 695 } | |
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696 |
| 826 | 697 @Override |
| 698 public void earlyEOF() | |
| 699 { | |
| 700 AbstractHttpConnection.this.earlyEOF(); | |
| 701 } | |
| 702 } | |
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703 |
|
972
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704 |
| 985 | 705 public final class Output extends ServletOutputStream |
| 826 | 706 { |
| 985 | 707 private boolean _closed; |
| 708 private ByteArrayBuffer _onebyte; | |
| 709 | |
| 710 // These are held here for reuse by Writer | |
| 711 String _characterEncoding; | |
| 712 Writer _converter; | |
| 713 char[] _chars; | |
| 714 ByteArrayOutputStream2 _bytes; | |
| 715 | |
| 716 public final void reopen() | |
| 717 { | |
| 718 _closed = false; | |
| 719 } | |
| 720 | |
| 721 @Override | |
| 722 public final void write(byte[] b, int off, int len) throws IOException | |
| 723 { | |
| 724 write(new ByteArrayBuffer(b,off,len)); | |
| 725 } | |
| 726 | |
| 727 @Override | |
| 728 public final void write(byte[] b) throws IOException | |
| 729 { | |
| 730 write(new ByteArrayBuffer(b)); | |
| 731 } | |
| 732 | |
| 733 @Override | |
| 734 public final void write(int b) throws IOException | |
| 826 | 735 { |
| 985 | 736 if (_onebyte==null) |
| 737 _onebyte = new ByteArrayBuffer(1); | |
| 738 else | |
| 739 _onebyte.clear(); | |
| 740 _onebyte.put((byte)b); | |
| 741 write(_onebyte); | |
| 826 | 742 } |
| 985 | 743 |
| 744 private void write(Buffer buffer) throws IOException | |
| 745 { | |
| 746 if (_closed) | |
| 747 throw new IOException("Closed"); | |
| 748 if (!_generator.isOpen()) | |
| 749 throw new EofException(); | |
| 750 | |
| 751 // Block until we can add _content. | |
| 752 while (_generator.isBufferFull()) | |
| 753 { | |
| 754 _generator.blockForOutput(getMaxIdleTime()); | |
| 755 if (_closed) | |
| 756 throw new IOException("Closed"); | |
| 757 if (!_generator.isOpen()) | |
| 758 throw new EofException(); | |
| 759 } | |
| 760 | |
| 761 // Add the _content | |
| 762 _generator.addContent(buffer, HttpGenerator.MORE); | |
| 763 | |
| 764 // Have to flush and complete headers? | |
| 765 | |
| 766 if (_generator.isAllContentWritten()) | |
| 767 { | |
| 768 flush(); | |
| 769 close(); | |
| 770 } | |
| 771 else if (_generator.isBufferFull()) | |
| 772 commitResponse(HttpGenerator.MORE); | |
| 773 | |
| 774 // Block until our buffer is free | |
| 775 while (buffer.length() > 0 && _generator.isOpen()) | |
| 776 { | |
| 777 _generator.blockForOutput(getMaxIdleTime()); | |
| 778 } | |
| 779 } | |
| 780 | |
| 781 | |
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782 |
| 826 | 783 /* ------------------------------------------------------------ */ |
| 784 /* | |
| 785 * @see java.io.OutputStream#close() | |
| 786 */ | |
| 787 @Override | |
| 788 public void close() throws IOException | |
| 789 { | |
| 985 | 790 if (_closed) |
| 826 | 791 return; |
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792 |
| 985 | 793 if (!_generator.isCommitted()) |
| 982 | 794 commitResponse(HttpGenerator.LAST); |
| 826 | 795 else |
| 796 flushResponse(); | |
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797 |
| 985 | 798 _closed = true; |
| 826 | 799 } |
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800 |
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801 |
| 826 | 802 /* ------------------------------------------------------------ */ |
| 803 /* | |
| 804 * @see java.io.OutputStream#flush() | |
| 805 */ | |
| 806 @Override | |
| 807 public void flush() throws IOException | |
| 808 { | |
| 985 | 809 if (!_generator.isCommitted()) |
| 982 | 810 commitResponse(HttpGenerator.MORE); |
| 985 | 811 _generator.flush(getMaxIdleTime()); |
| 826 | 812 } |
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813 |
| 826 | 814 /* ------------------------------------------------------------ */ |
| 815 /* | |
| 816 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 817 */ | |
| 818 @Override | |
| 819 public void print(String s) throws IOException | |
| 820 { | |
| 985 | 821 if (_closed) |
| 826 | 822 throw new IOException("Closed"); |
| 985 | 823 PrintWriter writer = getPrintWriter(null); |
| 826 | 824 writer.print(s); |
| 825 } | |
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826 |
|
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827 public final void sendContent(InputStream in) throws IOException |
| 826 | 828 { |
| 985 | 829 if (_closed) |
| 826 | 830 throw new IOException("Closed"); |
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831 |
| 985 | 832 if (_generator.isWritten()) |
| 826 | 833 throw new IllegalStateException("!empty"); |
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834 |
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835 try |
| 826 | 836 { |
|
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837 int max = _generator.prepareUncheckedAddContent(); |
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838 Buffer buffer = _generator.getUncheckedBuffer(); |
| 826 | 839 |
|
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840 int len = buffer.readFrom(in,max); |
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841 |
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842 while (len>=0) |
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843 { |
| 985 | 844 _generator.completeUncheckedAddContent(); |
| 826 | 845 _out.flush(); |
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846 |
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847 max = _generator.prepareUncheckedAddContent(); |
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848 buffer = _generator.getUncheckedBuffer(); |
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849 len=buffer.readFrom(in,max); |
| 826 | 850 } |
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851 _generator.completeUncheckedAddContent(); |
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852 _out.flush(); |
| 826 | 853 } |
|
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854 finally |
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855 { |
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856 in.close(); |
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857 } |
| 981 | 858 } |
| 859 } | |
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860 |
|
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861 |
| 981 | 862 private final class HttpInput extends ServletInputStream |
| 863 { | |
| 864 /* ------------------------------------------------------------ */ | |
| 865 /* | |
| 866 * @see java.io.InputStream#read() | |
| 867 */ | |
| 868 @Override | |
| 869 public int read() throws IOException | |
| 870 { | |
| 871 byte[] bytes = new byte[1]; | |
| 872 int read = read(bytes, 0, 1); | |
| 873 return read < 0 ? -1 : 0xff & bytes[0]; | |
| 874 } | |
| 875 | |
| 876 /* ------------------------------------------------------------ */ | |
| 877 /* | |
| 878 * @see java.io.InputStream#read(byte[], int, int) | |
| 879 */ | |
| 880 @Override | |
| 881 public int read(byte[] b, int off, int len) throws IOException | |
| 882 { | |
| 883 int l = -1; | |
| 884 Buffer content = _parser.blockForContent(getMaxIdleTime()); | |
| 885 if (content!=null) | |
| 886 l = content.get(b, off, len); | |
| 887 else if (_earlyEOF) | |
| 888 throw new EofException("early EOF"); | |
| 889 return l; | |
| 890 } | |
| 891 | |
| 892 @Override | |
| 893 public int available() throws IOException | |
| 894 { | |
| 895 return _parser.available(); | |
| 826 | 896 } |
| 897 } | |
|
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898 |
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899 } |