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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 989:900e5b8ccd19
remove useless listeners
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Mon, 17 Oct 2016 05:39:54 -0600 |
| parents | 8fef34f665e7 |
| children | 83cc6e05a58f |
| 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.DispatcherType; |
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27 import javax.servlet.RequestDispatcher; |
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28 import javax.servlet.ServletInputStream; |
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29 import javax.servlet.ServletOutputStream; |
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30 import javax.servlet.http.HttpServletRequest; |
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31 import javax.servlet.http.HttpServletResponse; |
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32 |
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33 import org.eclipse.jetty.http.EncodedHttpURI; |
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34 import org.eclipse.jetty.http.HttpBuffers; |
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35 import org.eclipse.jetty.http.HttpException; |
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36 import org.eclipse.jetty.http.HttpFields; |
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37 import org.eclipse.jetty.http.HttpGenerator; |
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38 import org.eclipse.jetty.http.HttpHeaderValues; |
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39 import org.eclipse.jetty.http.HttpHeaders; |
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40 import org.eclipse.jetty.http.HttpMethods; |
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41 import org.eclipse.jetty.http.HttpParser; |
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42 import org.eclipse.jetty.http.HttpStatus; |
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43 import org.eclipse.jetty.http.HttpURI; |
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44 import org.eclipse.jetty.http.HttpVersions; |
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45 import org.eclipse.jetty.http.MimeTypes; |
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46 import org.eclipse.jetty.io.AbstractConnection; |
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47 import org.eclipse.jetty.io.Buffer; |
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48 import org.eclipse.jetty.io.BufferCache.CachedBuffer; |
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49 import org.eclipse.jetty.io.Buffers; |
| 985 | 50 import org.eclipse.jetty.io.ByteArrayBuffer; |
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51 import org.eclipse.jetty.io.EndPoint; |
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52 import org.eclipse.jetty.io.EofException; |
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53 import org.eclipse.jetty.io.RuntimeIOException; |
| 985 | 54 import org.eclipse.jetty.util.ByteArrayOutputStream2; |
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55 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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56 import org.eclipse.jetty.util.StringUtil; |
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57 import org.eclipse.jetty.util.URIUtil; |
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58 import org.slf4j.Logger; |
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59 import org.slf4j.LoggerFactory; |
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60 import org.eclipse.jetty.util.resource.Resource; |
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61 |
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62 /** |
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63 * <p>A HttpConnection represents the connection of a HTTP client to the server |
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64 * and is created by an instance of a {@link Connector}. It's prime function is |
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65 * to associate {@link Request} and {@link Response} instances with a {@link EndPoint}. |
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66 * </p> |
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67 * <p> |
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68 * A connection is also the prime mechanism used by jetty to recycle objects without |
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69 * pooling. The {@link Request}, {@link Response}, {@link HttpParser}, {@link HttpGenerator} |
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70 * and {@link HttpFields} instances are all recycled for the duraction of |
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71 * a connection. Where appropriate, allocated buffers are also kept associated |
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72 * with the connection via the parser and/or generator. |
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73 * </p> |
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74 * <p> |
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75 * The connection state is held by 3 separate state machines: The request state, the |
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76 * response state and the continuation state. All three state machines must be driven |
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77 * to completion for every request, and all three can complete in any order. |
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78 * </p> |
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79 * <p> |
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80 * The HttpConnection support protocol upgrade. If on completion of a request, the |
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81 * response code is 101 (switch protocols), then the org.eclipse.jetty.io.Connection |
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82 * request attribute is checked to see if there is a new Connection instance. If so, |
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83 * the new connection is returned from {@link #handle()} and is used for future |
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84 * handling of the underlying connection. Note that for switching protocols that |
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85 * don't use 101 responses (eg CONNECT), the response should be sent and then the |
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86 * status code changed to 101 before returning from the handler. Implementors |
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87 * of new Connection types should be careful to extract any buffered data from |
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88 * (HttpParser)http.getParser()).getHeaderBuffer() and |
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89 * (HttpParser)http.getParser()).getBodyBuffer() to initialise their new connection. |
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90 * </p> |
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91 * |
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92 */ |
| 982 | 93 public abstract class AbstractHttpConnection extends AbstractConnection |
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94 { |
| 826 | 95 private static final Logger LOG = LoggerFactory.getLogger(AbstractHttpConnection.class); |
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96 |
| 826 | 97 private int _requests; |
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98 |
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99 private final Connector _connector; |
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100 private final Server _server; |
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101 protected final HttpURI _uri = StringUtil.__UTF8.equals(URIUtil.__CHARSET)?new HttpURI():new EncodedHttpURI(URIUtil.__CHARSET); |
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102 |
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103 protected final HttpParser _parser; |
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104 protected final HttpFields _requestFields = new HttpFields(); |
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105 private final Request _request; |
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106 private volatile ServletInputStream _in; |
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107 |
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108 protected final HttpGenerator _generator; |
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109 final HttpFields _responseFields = new HttpFields(); |
| 826 | 110 protected final Response _response; |
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111 private volatile Output _out; |
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112 private volatile HttpWriter _writer; |
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113 private volatile PrintWriter _printWriter; |
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114 |
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115 private int _version = -2; // UNKNOWN |
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116 |
| 826 | 117 private String _charset; |
| 118 private boolean _expect = false; | |
| 119 private boolean _expect100Continue = false; | |
| 120 private boolean _expect102Processing = false; | |
| 121 private boolean _head = false; | |
| 122 private boolean _host = false; | |
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123 private boolean _delayedHandling = false; |
| 826 | 124 private boolean _earlyEOF = false; |
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125 |
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126 protected AbstractHttpConnection(Connector connector, EndPoint endpoint) |
| 826 | 127 { |
| 128 super(endpoint); | |
| 129 _connector = connector; | |
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130 HttpBuffers ab = _connector; |
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131 _parser = new HttpParser(ab.getRequestBuffers(), endpoint, new RequestHandler()); |
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132 _request = new Request(this); |
| 826 | 133 _response = new Response(this); |
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134 _generator = new HttpGenerator(ab.getResponseBuffers(), endpoint); |
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135 _server = connector.server; |
| 826 | 136 } |
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137 |
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138 public final Connector getConnector() |
| 826 | 139 { |
| 140 return _connector; | |
| 141 } | |
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142 |
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143 public final Request getRequest() |
| 826 | 144 { |
| 145 return _request; | |
| 146 } | |
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147 |
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148 public final Response getResponse() |
| 826 | 149 { |
| 150 return _response; | |
| 151 } | |
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152 |
| 826 | 153 /* ------------------------------------------------------------ */ |
| 154 /** | |
| 155 * Get the inputStream from the connection. | |
| 156 * <p> | |
| 157 * If the associated response has the Expect header set to 100 Continue, | |
| 158 * then accessing the input stream indicates that the handler/servlet | |
| 159 * is ready for the request body and thus a 100 Continue response is sent. | |
| 160 * | |
| 161 * @return The input stream for this connection. | |
| 162 * The stream will be created if it does not already exist. | |
| 163 * @throws IOException if the input stream cannot be retrieved | |
| 164 */ | |
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165 public final ServletInputStream getInputStream() throws IOException |
| 826 | 166 { |
| 167 // If the client is expecting 100 CONTINUE, then send it now. | |
| 168 if (_expect100Continue) | |
| 169 { | |
| 170 // is content missing? | |
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171 if (_parser.getHeaderBuffer()==null || _parser.getHeaderBuffer().length()<2) |
| 826 | 172 { |
| 173 if (_generator.isCommitted()) | |
| 174 throw new IllegalStateException("Committed before 100 Continues"); | |
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175 |
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176 _generator.send1xx(HttpStatus.CONTINUE_100); |
| 826 | 177 } |
| 178 _expect100Continue=false; | |
| 179 } | |
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180 |
| 826 | 181 if (_in == null) |
| 981 | 182 _in = new HttpInput(); |
| 826 | 183 return _in; |
| 184 } | |
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185 |
| 826 | 186 /* ------------------------------------------------------------ */ |
| 187 /** | |
| 188 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
| 189 */ | |
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190 public final ServletOutputStream getOutputStream() |
| 826 | 191 { |
| 192 if (_out == null) | |
| 193 _out = new Output(); | |
| 194 return _out; | |
| 195 } | |
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196 |
| 826 | 197 /* ------------------------------------------------------------ */ |
| 198 /** | |
| 199 * @param encoding the PrintWriter encoding | |
| 200 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
| 201 * does not already exist. | |
| 202 */ | |
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203 public final PrintWriter getPrintWriter(String encoding) |
| 826 | 204 { |
| 205 getOutputStream(); | |
| 206 if (_writer==null) | |
| 207 { | |
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208 _writer = new HttpWriter(_out); |
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209 _printWriter = new PrintWriter(_writer) |
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210 { |
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211 public void close() |
| 826 | 212 { |
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213 synchronized (lock) |
| 826 | 214 { |
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215 try |
| 826 | 216 { |
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217 out.close(); |
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218 } |
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219 catch (IOException e) |
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220 { |
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221 setError(); |
| 826 | 222 } |
| 223 } | |
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224 } |
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225 }; |
| 826 | 226 } |
| 227 _writer.setCharacterEncoding(encoding); | |
| 228 return _printWriter; | |
| 229 } | |
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230 |
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231 protected void reset() |
| 826 | 232 { |
| 233 _parser.reset(); | |
| 234 _parser.returnBuffers(); // TODO maybe only on unhandle | |
| 235 _requestFields.clear(); | |
| 236 _request.recycle(); | |
| 237 _generator.reset(); | |
| 238 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 239 _responseFields.clear(); | |
| 240 _response.recycle(); | |
| 241 _uri.clear(); | |
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242 _writer = null; |
| 826 | 243 _earlyEOF = false; |
| 244 } | |
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245 |
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246 private void handleRequest() throws IOException |
| 826 | 247 { |
| 248 boolean error = false; | |
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249 |
| 826 | 250 try |
| 251 { | |
| 252 // Loop here to handle async request redispatches. | |
| 253 // The loop is controlled by the call to async.unhandle in the | |
| 254 // finally block below. If call is from a non-blocking connector, | |
| 255 // then the unhandle will return false only if an async dispatch has | |
| 256 // already happened when unhandle is called. For a blocking connector, | |
| 257 // the wait for the asynchronous dispatch or timeout actually happens | |
| 258 // within the call to unhandle(). | |
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259 |
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260 _request.setHandled(false); |
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261 |
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262 String info=null; |
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263 try |
| 826 | 264 { |
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265 _uri.getPort(); |
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266 String path = null; |
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267 |
| 826 | 268 try |
| 269 { | |
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270 path = _uri.getDecodedPath(); |
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271 } |
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272 catch (Exception e) |
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273 { |
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274 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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275 LOG.trace("",e); |
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276 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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277 } |
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278 |
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279 info = URIUtil.canonicalPath(path); |
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280 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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281 { |
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282 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 283 { |
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284 info="/"; |
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285 _request.setRequestURI(""); |
| 826 | 286 } |
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287 else |
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288 throw new HttpException(400); |
| 826 | 289 } |
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290 _request.setPathInfo(info); |
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291 |
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292 if (_out!=null) |
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293 _out.reopen(); |
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294 |
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295 _request.setDispatcherType(DispatcherType.REQUEST); |
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296 _connector.customize(_endp, _request); |
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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(); |
| 387 _generator.reset(); | |
| 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(); |
| 414 _generator.reset(); | |
| 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 boolean isExpecting102Processing() |
| 826 | 439 { |
| 440 return _expect102Processing; | |
| 441 } | |
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442 |
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443 public final int getMaxIdleTime() |
| 826 | 444 { |
| 445 if (_connector.isLowResources() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) | |
| 913 | 446 return 0; |
| 826 | 447 if (_endp.getMaxIdleTime()>0) |
| 448 return _endp.getMaxIdleTime(); | |
| 449 return _connector.getMaxIdleTime(); | |
| 450 } | |
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451 |
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452 @Override |
| 826 | 453 public String toString() |
| 454 { | |
| 455 return String.format("%s,g=%s,p=%s,r=%d", | |
| 456 super.toString(), | |
| 457 _generator, | |
| 458 _parser, | |
| 459 _requests); | |
| 460 } | |
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461 |
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462 private void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException |
| 826 | 463 { |
| 464 uri=uri.asImmutableBuffer(); | |
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465 |
| 826 | 466 _host = false; |
| 467 _expect = false; | |
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468 _expect100Continue = false; |
| 826 | 469 _expect102Processing=false; |
| 470 _delayedHandling=false; | |
| 471 _charset=null; | |
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472 |
| 826 | 473 if(_request.getTimeStamp()==0) |
| 474 _request.setTimeStamp(System.currentTimeMillis()); | |
| 475 _request.setMethod(method.toString()); | |
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476 |
| 826 | 477 try |
| 478 { | |
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479 _head = false; |
| 826 | 480 switch (HttpMethods.CACHE.getOrdinal(method)) |
| 481 { | |
| 482 case HttpMethods.CONNECT_ORDINAL: | |
| 483 _uri.parseConnect(uri.array(), uri.getIndex(), uri.length()); | |
| 484 break; | |
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485 |
| 826 | 486 case HttpMethods.HEAD_ORDINAL: |
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487 _head = true; |
| 826 | 488 _uri.parse(uri.array(), uri.getIndex(), uri.length()); |
| 489 break; | |
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490 |
| 826 | 491 default: |
| 492 _uri.parse(uri.array(), uri.getIndex(), uri.length()); | |
| 493 } | |
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494 |
| 826 | 495 _request.setUri(_uri); |
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496 |
| 826 | 497 if (version==null) |
| 498 { | |
| 499 _request.setProtocol(HttpVersions.HTTP_0_9); | |
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500 _version = HttpVersions.HTTP_0_9_ORDINAL; |
| 826 | 501 } |
| 502 else | |
| 503 { | |
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504 version = HttpVersions.CACHE.get(version); |
| 826 | 505 if (version==null) |
| 506 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); | |
| 507 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 508 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 509 _request.setProtocol(version.toString()); | |
| 510 } | |
| 511 } | |
| 512 catch (Exception e) | |
| 513 { | |
| 514 LOG.debug("",e); | |
| 515 if (e instanceof HttpException) | |
| 516 throw (HttpException)e; | |
| 517 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 518 } | |
| 519 } | |
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520 |
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521 private void parsedHeader(Buffer name, Buffer value) throws IOException |
| 826 | 522 { |
| 523 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 524 switch (ho) | |
| 525 { | |
| 526 case HttpHeaders.HOST_ORDINAL: | |
| 527 // TODO check if host matched a host in the URI. | |
| 528 _host = true; | |
| 529 break; | |
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530 |
| 826 | 531 case HttpHeaders.EXPECT_ORDINAL: |
| 532 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 533 { | |
| 534 value = HttpHeaderValues.CACHE.lookup(value); | |
| 535 switch(HttpHeaderValues.CACHE.getOrdinal(value)) | |
| 536 { | |
| 537 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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538 _expect100Continue = true; |
| 826 | 539 break; |
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540 |
| 826 | 541 case HttpHeaderValues.PROCESSING_ORDINAL: |
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542 _expect102Processing = true; |
| 826 | 543 break; |
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544 |
| 826 | 545 default: |
| 546 String[] values = value.toString().split(","); | |
| 547 for (int i=0;values!=null && i<values.length;i++) | |
| 548 { | |
| 549 CachedBuffer cb=HttpHeaderValues.CACHE.get(values[i].trim()); | |
| 550 if (cb==null) | |
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551 _expect = true; |
| 826 | 552 else |
| 553 { | |
| 554 switch(cb.getOrdinal()) | |
| 555 { | |
| 556 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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557 _expect100Continue = true; |
| 826 | 558 break; |
| 559 case HttpHeaderValues.PROCESSING_ORDINAL: | |
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560 _expect102Processing = true; |
| 826 | 561 break; |
| 562 default: | |
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563 _expect = true; |
| 826 | 564 } |
| 565 } | |
| 566 } | |
| 567 } | |
| 568 } | |
| 569 break; | |
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570 |
| 826 | 571 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 572 case HttpHeaders.USER_AGENT_ORDINAL: | |
| 573 value = HttpHeaderValues.CACHE.lookup(value); | |
| 574 break; | |
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575 |
| 826 | 576 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
| 577 value = MimeTypes.CACHE.lookup(value); | |
| 578 _charset=MimeTypes.getCharsetFromContentType(value); | |
| 579 break; | |
| 580 } | |
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|
581 |
| 826 | 582 _requestFields.add(name, value); |
| 583 } | |
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|
584 |
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|
585 private void headerComplete() throws IOException |
| 826 | 586 { |
| 587 // Handle idle race | |
| 588 if (_endp.isOutputShutdown()) | |
| 589 { | |
| 590 _endp.close(); | |
| 591 return; | |
| 592 } | |
| 593 | |
| 594 _requests++; | |
| 595 _generator.setVersion(_version); | |
| 596 switch (_version) | |
| 597 { | |
| 598 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 599 break; | |
| 600 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 601 _generator.setHead(_head); | |
| 602 if (_parser.isPersistent()) | |
| 603 { | |
| 604 _responseFields.add(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.KEEP_ALIVE_BUFFER); | |
| 605 _generator.setPersistent(true); | |
| 606 } | |
| 607 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 608 { | |
| 609 _generator.setPersistent(true); | |
| 610 _parser.setPersistent(true); | |
| 611 } | |
| 612 break; | |
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|
613 |
| 826 | 614 case HttpVersions.HTTP_1_1_ORDINAL: |
| 615 _generator.setHead(_head); | |
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|
616 |
| 826 | 617 if (!_parser.isPersistent()) |
| 618 { | |
| 619 _responseFields.add(HttpHeaders.CONNECTION_BUFFER,HttpHeaderValues.CLOSE_BUFFER); | |
| 620 _generator.setPersistent(false); | |
| 621 } | |
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|
622 |
| 826 | 623 if (!_host) |
| 624 { | |
| 625 LOG.debug("!host {}",this); | |
| 626 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
| 627 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 628 _generator.completeHeader(_responseFields, true); | |
| 629 _generator.complete(); | |
| 630 return; | |
| 631 } | |
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|
632 |
| 826 | 633 if (_expect) |
| 634 { | |
| 635 LOG.debug("!expectation {}",this); | |
| 636 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
| 637 _responseFields.put(HttpHeaders.CONNECTION_BUFFER, HttpHeaderValues.CLOSE_BUFFER); | |
| 638 _generator.completeHeader(_responseFields, true); | |
| 639 _generator.complete(); | |
| 640 return; | |
| 641 } | |
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|
642 |
| 826 | 643 break; |
| 644 default: | |
| 645 } | |
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|
646 |
| 826 | 647 if(_charset!=null) |
| 648 _request.setCharacterEncodingUnchecked(_charset); | |
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|
649 |
| 826 | 650 // Either handle now or wait for first content |
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|
651 if ((_parser.getContentLength()<=0 && !_parser.isChunking())||_expect100Continue) |
| 826 | 652 handleRequest(); |
| 653 else | |
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|
654 _delayedHandling = true; |
| 826 | 655 } |
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656 |
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657 private void content(Buffer buffer) throws IOException |
| 826 | 658 { |
| 659 if (_delayedHandling) | |
| 660 { | |
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661 _delayedHandling = false; |
| 826 | 662 handleRequest(); |
| 663 } | |
| 664 } | |
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665 |
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666 private void messageComplete(long contentLength) throws IOException |
| 826 | 667 { |
| 668 if (_delayedHandling) | |
| 669 { | |
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670 _delayedHandling = false; |
| 826 | 671 handleRequest(); |
| 672 } | |
| 673 } | |
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|
674 |
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|
675 private void earlyEOF() |
| 826 | 676 { |
| 677 _earlyEOF = true; | |
| 678 } | |
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|
679 |
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|
680 |
| 980 | 681 private class RequestHandler implements HttpParser.EventHandler |
| 826 | 682 { |
| 683 @Override | |
| 684 public void startRequest(Buffer method, Buffer uri, Buffer version) throws IOException | |
| 685 { | |
| 686 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 687 } | |
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|
688 |
| 826 | 689 @Override |
| 690 public void parsedHeader(Buffer name, Buffer value) throws IOException | |
| 691 { | |
| 692 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 693 } | |
|
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|
694 |
| 826 | 695 @Override |
| 696 public void headerComplete() throws IOException | |
| 697 { | |
| 698 AbstractHttpConnection.this.headerComplete(); | |
| 699 } | |
|
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|
700 |
| 826 | 701 @Override |
| 702 public void content(Buffer ref) throws IOException | |
| 703 { | |
| 704 AbstractHttpConnection.this.content(ref); | |
| 705 } | |
|
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706 |
| 826 | 707 @Override |
| 708 public void messageComplete(long contentLength) throws IOException | |
| 709 { | |
| 710 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 711 } | |
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712 |
| 826 | 713 @Override |
| 714 public void earlyEOF() | |
| 715 { | |
| 716 AbstractHttpConnection.this.earlyEOF(); | |
| 717 } | |
| 718 } | |
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719 |
|
972
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720 |
| 985 | 721 public final class Output extends ServletOutputStream |
| 826 | 722 { |
| 985 | 723 private boolean _closed; |
| 724 private ByteArrayBuffer _onebyte; | |
| 725 | |
| 726 // These are held here for reuse by Writer | |
| 727 String _characterEncoding; | |
| 728 Writer _converter; | |
| 729 char[] _chars; | |
| 730 ByteArrayOutputStream2 _bytes; | |
| 731 | |
| 732 public final void reopen() | |
| 733 { | |
| 734 _closed = false; | |
| 735 } | |
| 736 | |
| 737 @Override | |
| 738 public final void write(byte[] b, int off, int len) throws IOException | |
| 739 { | |
| 740 write(new ByteArrayBuffer(b,off,len)); | |
| 741 } | |
| 742 | |
| 743 @Override | |
| 744 public final void write(byte[] b) throws IOException | |
| 745 { | |
| 746 write(new ByteArrayBuffer(b)); | |
| 747 } | |
| 748 | |
| 749 @Override | |
| 750 public final void write(int b) throws IOException | |
| 826 | 751 { |
| 985 | 752 if (_onebyte==null) |
| 753 _onebyte = new ByteArrayBuffer(1); | |
| 754 else | |
| 755 _onebyte.clear(); | |
| 756 _onebyte.put((byte)b); | |
| 757 write(_onebyte); | |
| 826 | 758 } |
| 985 | 759 |
| 760 private void write(Buffer buffer) throws IOException | |
| 761 { | |
| 762 if (_closed) | |
| 763 throw new IOException("Closed"); | |
| 764 if (!_generator.isOpen()) | |
| 765 throw new EofException(); | |
| 766 | |
| 767 // Block until we can add _content. | |
| 768 while (_generator.isBufferFull()) | |
| 769 { | |
| 770 _generator.blockForOutput(getMaxIdleTime()); | |
| 771 if (_closed) | |
| 772 throw new IOException("Closed"); | |
| 773 if (!_generator.isOpen()) | |
| 774 throw new EofException(); | |
| 775 } | |
| 776 | |
| 777 // Add the _content | |
| 778 _generator.addContent(buffer, HttpGenerator.MORE); | |
| 779 | |
| 780 // Have to flush and complete headers? | |
| 781 | |
| 782 if (_generator.isAllContentWritten()) | |
| 783 { | |
| 784 flush(); | |
| 785 close(); | |
| 786 } | |
| 787 else if (_generator.isBufferFull()) | |
| 788 commitResponse(HttpGenerator.MORE); | |
| 789 | |
| 790 // Block until our buffer is free | |
| 791 while (buffer.length() > 0 && _generator.isOpen()) | |
| 792 { | |
| 793 _generator.blockForOutput(getMaxIdleTime()); | |
| 794 } | |
| 795 } | |
| 796 | |
| 797 | |
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798 |
| 826 | 799 /* ------------------------------------------------------------ */ |
| 800 /* | |
| 801 * @see java.io.OutputStream#close() | |
| 802 */ | |
| 803 @Override | |
| 804 public void close() throws IOException | |
| 805 { | |
| 985 | 806 if (_closed) |
| 826 | 807 return; |
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808 |
| 985 | 809 if (!_generator.isCommitted()) |
| 982 | 810 commitResponse(HttpGenerator.LAST); |
| 826 | 811 else |
| 812 flushResponse(); | |
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813 |
| 985 | 814 _closed = true; |
| 826 | 815 } |
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816 |
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817 |
| 826 | 818 /* ------------------------------------------------------------ */ |
| 819 /* | |
| 820 * @see java.io.OutputStream#flush() | |
| 821 */ | |
| 822 @Override | |
| 823 public void flush() throws IOException | |
| 824 { | |
| 985 | 825 if (!_generator.isCommitted()) |
| 982 | 826 commitResponse(HttpGenerator.MORE); |
| 985 | 827 _generator.flush(getMaxIdleTime()); |
| 826 | 828 } |
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829 |
| 826 | 830 /* ------------------------------------------------------------ */ |
| 831 /* | |
| 832 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 833 */ | |
| 834 @Override | |
| 835 public void print(String s) throws IOException | |
| 836 { | |
| 985 | 837 if (_closed) |
| 826 | 838 throw new IOException("Closed"); |
| 985 | 839 PrintWriter writer = getPrintWriter(null); |
| 826 | 840 writer.print(s); |
| 841 } | |
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842 |
| 826 | 843 public void sendResponse(Buffer response) throws IOException |
| 844 { | |
| 985 | 845 _generator.sendResponse(response); |
| 826 | 846 } |
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847 |
| 826 | 848 public void sendContent(Object content) throws IOException |
| 849 { | |
| 850 Resource resource=null; | |
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851 |
| 985 | 852 if (_closed) |
| 826 | 853 throw new IOException("Closed"); |
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854 |
| 985 | 855 if (_generator.isWritten()) |
| 826 | 856 throw new IllegalStateException("!empty"); |
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857 |
| 826 | 858 if (content instanceof Resource) |
| 859 { | |
| 860 resource=(Resource)content; | |
| 861 _responseFields.putDateField(HttpHeaders.LAST_MODIFIED_BUFFER, resource.lastModified()); | |
| 862 content=resource.getInputStream(); | |
| 863 } | |
| 864 | |
| 865 // Process content. | |
| 866 if (content instanceof Buffer) | |
| 867 { | |
| 985 | 868 _generator.addContent((Buffer) content, HttpGenerator.LAST); |
| 982 | 869 commitResponse(HttpGenerator.LAST); |
| 826 | 870 } |
| 871 else if (content instanceof InputStream) | |
| 872 { | |
| 873 InputStream in = (InputStream)content; | |
| 874 | |
| 875 try | |
| 876 { | |
| 985 | 877 int max = _generator.prepareUncheckedAddContent(); |
| 878 Buffer buffer = _generator.getUncheckedBuffer(); | |
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879 |
| 826 | 880 int len=buffer.readFrom(in,max); |
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881 |
| 826 | 882 while (len>=0) |
| 883 { | |
| 985 | 884 _generator.completeUncheckedAddContent(); |
| 826 | 885 _out.flush(); |
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886 |
| 985 | 887 max = _generator.prepareUncheckedAddContent(); |
| 888 buffer = _generator.getUncheckedBuffer(); | |
| 826 | 889 len=buffer.readFrom(in,max); |
| 890 } | |
| 985 | 891 _generator.completeUncheckedAddContent(); |
| 826 | 892 _out.flush(); |
| 893 } | |
| 894 finally | |
| 895 { | |
| 896 if (resource!=null) | |
| 897 resource.release(); | |
| 898 else | |
| 899 in.close(); | |
| 900 } | |
| 901 } | |
| 902 else | |
| 903 throw new IllegalArgumentException("unknown content type?"); | |
| 981 | 904 } |
| 905 } | |
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906 |
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907 |
| 981 | 908 private final class HttpInput extends ServletInputStream |
| 909 { | |
| 910 /* ------------------------------------------------------------ */ | |
| 911 /* | |
| 912 * @see java.io.InputStream#read() | |
| 913 */ | |
| 914 @Override | |
| 915 public int read() throws IOException | |
| 916 { | |
| 917 byte[] bytes = new byte[1]; | |
| 918 int read = read(bytes, 0, 1); | |
| 919 return read < 0 ? -1 : 0xff & bytes[0]; | |
| 920 } | |
| 921 | |
| 922 /* ------------------------------------------------------------ */ | |
| 923 /* | |
| 924 * @see java.io.InputStream#read(byte[], int, int) | |
| 925 */ | |
| 926 @Override | |
| 927 public int read(byte[] b, int off, int len) throws IOException | |
| 928 { | |
| 929 int l = -1; | |
| 930 Buffer content = _parser.blockForContent(getMaxIdleTime()); | |
| 931 if (content!=null) | |
| 932 l = content.get(b, off, len); | |
| 933 else if (_earlyEOF) | |
| 934 throw new EofException("early EOF"); | |
| 935 return l; | |
| 936 } | |
| 937 | |
| 938 @Override | |
| 939 public int available() throws IOException | |
| 940 { | |
| 941 return _parser.available(); | |
| 826 | 942 } |
| 943 } | |
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944 |
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945 } |