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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 1033:4ada7a8c128a
remove HttpParser._buffers
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Thu, 03 Nov 2016 04:00:25 -0600 |
| parents | 2ea54e6117c3 |
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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 final 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 _generator = new HttpGenerator(_connector.getResponseBuffers(), endpoint); |
| 123 _server = connector.server; | |
| 124 init(); | |
| 125 } | |
| 126 | |
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127 void initParser() { |
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128 Buffers buffers = _connector.getRequestBuffers(); |
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129 _parser = new HttpParser(buffers.getHeader(), buffers.getBuffer(), _endp, new RequestHandler()); |
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130 } |
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131 |
| 1015 | 132 private void init() { |
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133 initParser(); |
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134 _request = new Request(this); |
| 826 | 135 _response = new Response(this); |
| 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._header.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 _requestFields.clear(); | |
| 234 _generator.reset(); | |
| 235 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 236 _responseFields.clear(); | |
| 237 _uri.clear(); | |
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238 _writer = null; |
| 826 | 239 _earlyEOF = false; |
| 1015 | 240 init(); |
| 826 | 241 } |
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242 |
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243 private void handleRequest() throws IOException |
| 826 | 244 { |
| 245 boolean error = false; | |
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246 |
| 826 | 247 try |
| 248 { | |
| 249 // Loop here to handle async request redispatches. | |
| 250 // The loop is controlled by the call to async.unhandle in the | |
| 251 // finally block below. If call is from a non-blocking connector, | |
| 252 // then the unhandle will return false only if an async dispatch has | |
| 253 // already happened when unhandle is called. For a blocking connector, | |
| 254 // the wait for the asynchronous dispatch or timeout actually happens | |
| 255 // within the call to unhandle(). | |
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256 |
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257 _request.setHandled(false); |
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258 |
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259 String info=null; |
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260 try |
| 826 | 261 { |
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262 _uri.getPort(); |
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263 String path = null; |
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264 |
| 826 | 265 try |
| 266 { | |
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267 path = _uri.getDecodedPath(); |
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268 } |
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269 catch (Exception e) |
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270 { |
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271 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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272 LOG.trace("",e); |
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273 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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274 } |
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275 |
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276 info = URIUtil.canonicalPath(path); |
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277 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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278 { |
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279 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 280 { |
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281 info="/"; |
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282 _request.setRequestURI(""); |
| 826 | 283 } |
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284 else |
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285 throw new HttpException(400); |
| 826 | 286 } |
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287 _request.setPathInfo(info); |
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288 |
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289 if (_out!=null) |
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290 _out.reopen(); |
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291 |
| 1001 | 292 _connector.customize(this); |
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293 _server.handle(this); |
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294 } |
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295 catch (EofException e) |
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296 { |
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297 LOG.debug("",e); |
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298 error=true; |
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299 _request.setHandled(true); |
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300 if (!_response.isCommitted()) |
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301 _generator.sendError(500, null, null, true); |
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302 } |
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303 catch (RuntimeIOException e) |
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304 { |
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305 LOG.debug("",e); |
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306 error=true; |
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307 _request.setHandled(true); |
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308 } |
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309 catch (HttpException e) |
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310 { |
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311 LOG.debug("",e); |
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312 error=true; |
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313 _request.setHandled(true); |
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314 _response.sendError(e.getStatus(), e.getReason()); |
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315 } |
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316 catch (Throwable e) |
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317 { |
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318 LOG.warn(String.valueOf(_uri),e); |
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319 error=true; |
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320 _request.setHandled(true); |
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321 _generator.sendError(info==null?400:500, null, null, true); |
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322 |
| 826 | 323 } |
| 324 } | |
| 325 finally | |
| 326 { | |
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327 if (_expect100Continue) |
| 826 | 328 { |
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329 LOG.debug("100 continues not sent"); |
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330 // We didn't send 100 continues, but the latest interpretation |
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331 // of the spec (see httpbis) is that the client will either |
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332 // send the body anyway, or close. So we no longer need to |
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333 // do anything special here other than make the connection not persistent |
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334 _expect100Continue = false; |
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335 if (!_response.isCommitted()) |
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336 _generator.setPersistent(false); |
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337 } |
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338 |
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339 if(_endp.isOpen()) |
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340 { |
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341 if (error) |
| 826 | 342 { |
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343 _endp.shutdownOutput(); |
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344 _generator.setPersistent(false); |
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345 if (!_generator.isComplete()) |
| 826 | 346 _response.complete(); |
| 347 } | |
| 348 else | |
| 349 { | |
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350 if (!_response.isCommitted() && !_request.isHandled()) |
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351 _response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 826 | 352 _response.complete(); |
| 353 } | |
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354 } |
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355 else |
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356 { |
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357 _response.complete(); |
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358 } |
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359 |
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360 _request.setHandled(true); |
| 826 | 361 } |
| 362 } | |
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363 |
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364 |
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365 public final void commitResponse(boolean last) throws IOException |
| 826 | 366 { |
| 367 if (!_generator.isCommitted()) | |
| 368 { | |
| 369 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 370 try | |
| 371 { | |
| 372 // If the client was expecting 100 continues, but we sent something | |
| 373 // else, then we need to close the connection | |
| 374 if (_expect100Continue && _response.getStatus()!=100) | |
| 375 _generator.setPersistent(false); | |
| 376 _generator.completeHeader(_responseFields, last); | |
| 377 } | |
| 378 catch(RuntimeException e) | |
| 379 { | |
| 380 LOG.warn("header full: " + e); | |
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381 |
| 826 | 382 _response.reset(); |
| 383 _generator.reset(); | |
| 384 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 982 | 385 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 386 _generator.complete(); |
| 387 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 388 } | |
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389 |
| 826 | 390 } |
| 391 if (last) | |
| 392 _generator.complete(); | |
| 393 } | |
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394 |
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395 public final void completeResponse() throws IOException |
| 826 | 396 { |
| 397 if (!_generator.isCommitted()) | |
| 398 { | |
| 399 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 400 try | |
| 401 { | |
| 982 | 402 _generator.completeHeader(_responseFields, HttpGenerator.LAST); |
| 826 | 403 } |
| 404 catch(RuntimeException e) | |
| 405 { | |
| 406 LOG.warn("header full: "+e); | |
| 407 LOG.debug("",e); | |
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408 |
| 826 | 409 _response.reset(); |
| 410 _generator.reset(); | |
| 411 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 982 | 412 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 413 _generator.complete(); |
| 414 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 415 } | |
| 416 } | |
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417 |
| 826 | 418 _generator.complete(); |
| 419 } | |
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420 |
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421 public final void flushResponse() throws IOException |
| 826 | 422 { |
| 423 try | |
| 424 { | |
| 982 | 425 commitResponse(HttpGenerator.MORE); |
| 826 | 426 _generator.flushBuffer(); |
| 427 } | |
| 428 catch(IOException e) | |
| 429 { | |
| 430 throw (e instanceof EofException) ? e:new EofException(e); | |
| 431 } | |
| 432 } | |
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433 |
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434 public final int getMaxIdleTime() |
| 826 | 435 { |
| 996 | 436 if (_connector.server.isLowOnThreads() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) |
| 913 | 437 return 0; |
| 826 | 438 if (_endp.getMaxIdleTime()>0) |
| 439 return _endp.getMaxIdleTime(); | |
| 440 return _connector.getMaxIdleTime(); | |
| 441 } | |
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442 |
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443 @Override |
| 826 | 444 public String toString() |
| 445 { | |
| 1001 | 446 return String.format("%s,g=%s,p=%s", |
| 826 | 447 super.toString(), |
| 448 _generator, | |
| 1001 | 449 _parser); |
| 826 | 450 } |
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451 |
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452 private void startRequest(String method, String uri, String version) throws IOException |
| 826 | 453 { |
| 454 _host = false; | |
| 455 _expect = false; | |
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456 _expect100Continue = false; |
| 826 | 457 _delayedHandling=false; |
| 458 _charset=null; | |
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459 |
| 826 | 460 if(_request.getTimeStamp()==0) |
| 461 _request.setTimeStamp(System.currentTimeMillis()); | |
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462 _request.setMethod(method); |
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463 |
| 826 | 464 try |
| 465 { | |
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466 _head = false; |
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467 byte[] bytes = StringUtil.getBytes(uri); |
| 826 | 468 switch (HttpMethods.CACHE.getOrdinal(method)) |
| 469 { | |
| 470 case HttpMethods.CONNECT_ORDINAL: | |
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471 _uri.parseConnect(bytes, 0, bytes.length); |
| 826 | 472 break; |
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473 |
| 826 | 474 case HttpMethods.HEAD_ORDINAL: |
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475 _head = true; |
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476 _uri.parse(bytes, 0, bytes.length); |
| 826 | 477 break; |
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478 |
| 826 | 479 default: |
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480 _uri.parse(bytes, 0, bytes.length); |
| 826 | 481 } |
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482 |
| 826 | 483 _request.setUri(_uri); |
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484 |
| 826 | 485 if (version==null) |
| 486 { | |
| 487 _request.setProtocol(HttpVersions.HTTP_0_9); | |
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488 _version = HttpVersions.HTTP_0_9_ORDINAL; |
| 826 | 489 } |
| 490 else | |
| 491 { | |
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492 if (!HttpVersions.CACHE.contains(version)) |
| 826 | 493 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); |
| 494 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 495 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 496 _request.setProtocol(version.toString()); | |
| 497 } | |
| 498 } | |
| 499 catch (Exception e) | |
| 500 { | |
| 501 LOG.debug("",e); | |
| 502 if (e instanceof HttpException) | |
| 503 throw (HttpException)e; | |
| 504 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 505 } | |
| 506 } | |
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507 |
| 1021 | 508 private void parsedHeader(String name, String value) throws IOException |
| 826 | 509 { |
| 510 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 511 switch (ho) | |
| 512 { | |
| 513 case HttpHeaders.HOST_ORDINAL: | |
| 514 // TODO check if host matched a host in the URI. | |
| 515 _host = true; | |
| 516 break; | |
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517 |
| 826 | 518 case HttpHeaders.EXPECT_ORDINAL: |
| 519 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 520 { | |
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521 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 522 switch(HttpHeaderValues.CACHE.getOrdinal(value)) |
| 523 { | |
| 524 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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525 _expect100Continue = true; |
| 826 | 526 break; |
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527 |
| 826 | 528 default: |
| 529 String[] values = value.toString().split(","); | |
| 530 for (int i=0;values!=null && i<values.length;i++) | |
| 531 { | |
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532 int cb = HttpHeaderValues.CACHE.getOrdinal(values[i].trim()); |
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533 if (cb == -1) |
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534 _expect = true; |
| 826 | 535 else |
| 536 { | |
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537 switch(cb) |
| 826 | 538 { |
| 539 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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540 _expect100Continue = true; |
| 826 | 541 break; |
| 542 default: | |
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543 _expect = true; |
| 826 | 544 } |
| 545 } | |
| 546 } | |
| 547 } | |
| 548 } | |
| 549 break; | |
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550 |
| 826 | 551 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 552 case HttpHeaders.USER_AGENT_ORDINAL: | |
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553 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 554 break; |
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555 |
| 826 | 556 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
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557 // value = MimeTypes.CACHE.lookup(value); |
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558 _charset = MimeTypes.getCharsetFromContentType(value); |
| 826 | 559 break; |
| 560 } | |
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561 |
| 826 | 562 _requestFields.add(name, value); |
| 563 } | |
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564 |
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565 private void headerComplete() throws IOException |
| 826 | 566 { |
| 567 // Handle idle race | |
| 568 if (_endp.isOutputShutdown()) | |
| 569 { | |
| 570 _endp.close(); | |
| 571 return; | |
| 572 } | |
| 573 | |
| 574 _generator.setVersion(_version); | |
| 575 switch (_version) | |
| 576 { | |
| 577 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 578 break; | |
| 579 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 580 _generator.setHead(_head); | |
| 581 if (_parser.isPersistent()) | |
| 582 { | |
|
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583 _responseFields.add(HttpHeaders.CONNECTION, HttpHeaderValues.KEEP_ALIVE); |
| 826 | 584 _generator.setPersistent(true); |
| 585 } | |
| 586 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 587 { | |
| 588 _generator.setPersistent(true); | |
| 589 _parser.setPersistent(true); | |
| 590 } | |
| 591 break; | |
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592 |
| 826 | 593 case HttpVersions.HTTP_1_1_ORDINAL: |
| 594 _generator.setHead(_head); | |
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595 |
| 826 | 596 if (!_parser.isPersistent()) |
| 597 { | |
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598 _responseFields.add(HttpHeaders.CONNECTION,HttpHeaderValues.CLOSE); |
| 826 | 599 _generator.setPersistent(false); |
| 600 } | |
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|
601 |
| 826 | 602 if (!_host) |
| 603 { | |
| 604 LOG.debug("!host {}",this); | |
| 605 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
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|
606 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 607 _generator.completeHeader(_responseFields, true); |
| 608 _generator.complete(); | |
| 609 return; | |
| 610 } | |
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|
611 |
| 826 | 612 if (_expect) |
| 613 { | |
| 614 LOG.debug("!expectation {}",this); | |
| 615 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
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616 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 617 _generator.completeHeader(_responseFields, true); |
| 618 _generator.complete(); | |
| 619 return; | |
| 620 } | |
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621 |
| 826 | 622 break; |
| 623 default: | |
| 624 } | |
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|
625 |
| 826 | 626 if(_charset!=null) |
| 627 _request.setCharacterEncodingUnchecked(_charset); | |
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|
628 |
| 826 | 629 // Either handle now or wait for first content |
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630 if ((_parser.getContentLength()<=0 && !_parser.isChunking())||_expect100Continue) |
| 826 | 631 handleRequest(); |
| 632 else | |
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633 _delayedHandling = true; |
| 826 | 634 } |
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635 |
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636 private void content(Buffer buffer) throws IOException |
| 826 | 637 { |
| 638 if (_delayedHandling) | |
| 639 { | |
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640 _delayedHandling = false; |
| 826 | 641 handleRequest(); |
| 642 } | |
| 643 } | |
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644 |
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645 private void messageComplete(long contentLength) throws IOException |
| 826 | 646 { |
| 647 if (_delayedHandling) | |
| 648 { | |
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649 _delayedHandling = false; |
| 826 | 650 handleRequest(); |
| 651 } | |
| 652 } | |
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653 |
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654 private void earlyEOF() |
| 826 | 655 { |
| 656 _earlyEOF = true; | |
| 657 } | |
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658 |
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|
659 |
| 980 | 660 private class RequestHandler implements HttpParser.EventHandler |
| 826 | 661 { |
| 662 @Override | |
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663 public void startRequest(String method, String uri, String version) throws IOException |
| 826 | 664 { |
| 665 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 666 } | |
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|
667 |
| 826 | 668 @Override |
| 1021 | 669 public void parsedHeader(String name, String value) throws IOException |
| 826 | 670 { |
| 671 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 672 } | |
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|
673 |
| 826 | 674 @Override |
| 675 public void headerComplete() throws IOException | |
| 676 { | |
| 677 AbstractHttpConnection.this.headerComplete(); | |
| 678 } | |
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|
679 |
| 826 | 680 @Override |
| 681 public void content(Buffer ref) throws IOException | |
| 682 { | |
| 683 AbstractHttpConnection.this.content(ref); | |
| 684 } | |
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|
685 |
| 826 | 686 @Override |
| 687 public void messageComplete(long contentLength) throws IOException | |
| 688 { | |
| 689 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 690 } | |
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691 |
| 826 | 692 @Override |
| 693 public void earlyEOF() | |
| 694 { | |
| 695 AbstractHttpConnection.this.earlyEOF(); | |
| 696 } | |
| 697 } | |
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698 |
|
972
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699 |
| 985 | 700 public final class Output extends ServletOutputStream |
| 826 | 701 { |
| 985 | 702 private boolean _closed; |
| 703 private ByteArrayBuffer _onebyte; | |
| 704 | |
| 705 // These are held here for reuse by Writer | |
| 706 String _characterEncoding; | |
| 707 Writer _converter; | |
| 708 char[] _chars; | |
| 709 ByteArrayOutputStream2 _bytes; | |
| 710 | |
| 711 public final void reopen() | |
| 712 { | |
| 713 _closed = false; | |
| 714 } | |
| 715 | |
| 716 @Override | |
| 717 public final void write(byte[] b, int off, int len) throws IOException | |
| 718 { | |
| 719 write(new ByteArrayBuffer(b,off,len)); | |
| 720 } | |
| 721 | |
| 722 @Override | |
| 723 public final void write(byte[] b) throws IOException | |
| 724 { | |
| 725 write(new ByteArrayBuffer(b)); | |
| 726 } | |
| 727 | |
| 728 @Override | |
| 729 public final void write(int b) throws IOException | |
| 826 | 730 { |
| 985 | 731 if (_onebyte==null) |
| 732 _onebyte = new ByteArrayBuffer(1); | |
| 733 else | |
| 734 _onebyte.clear(); | |
| 735 _onebyte.put((byte)b); | |
| 736 write(_onebyte); | |
| 826 | 737 } |
| 985 | 738 |
| 739 private void write(Buffer buffer) throws IOException | |
| 740 { | |
| 741 if (_closed) | |
| 742 throw new IOException("Closed"); | |
| 743 if (!_generator.isOpen()) | |
| 744 throw new EofException(); | |
| 745 | |
| 746 // Block until we can add _content. | |
| 747 while (_generator.isBufferFull()) | |
| 748 { | |
| 749 _generator.blockForOutput(getMaxIdleTime()); | |
| 750 if (_closed) | |
| 751 throw new IOException("Closed"); | |
| 752 if (!_generator.isOpen()) | |
| 753 throw new EofException(); | |
| 754 } | |
| 755 | |
| 756 // Add the _content | |
| 757 _generator.addContent(buffer, HttpGenerator.MORE); | |
| 758 | |
| 759 // Have to flush and complete headers? | |
| 760 | |
| 761 if (_generator.isAllContentWritten()) | |
| 762 { | |
| 763 flush(); | |
| 764 close(); | |
| 765 } | |
| 766 else if (_generator.isBufferFull()) | |
| 767 commitResponse(HttpGenerator.MORE); | |
| 768 | |
| 769 // Block until our buffer is free | |
| 770 while (buffer.length() > 0 && _generator.isOpen()) | |
| 771 { | |
| 772 _generator.blockForOutput(getMaxIdleTime()); | |
| 773 } | |
| 774 } | |
| 775 | |
| 776 | |
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777 |
| 826 | 778 /* ------------------------------------------------------------ */ |
| 779 /* | |
| 780 * @see java.io.OutputStream#close() | |
| 781 */ | |
| 782 @Override | |
| 783 public void close() throws IOException | |
| 784 { | |
| 985 | 785 if (_closed) |
| 826 | 786 return; |
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787 |
| 985 | 788 if (!_generator.isCommitted()) |
| 982 | 789 commitResponse(HttpGenerator.LAST); |
| 826 | 790 else |
| 791 flushResponse(); | |
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792 |
| 985 | 793 _closed = true; |
| 826 | 794 } |
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795 |
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796 |
| 826 | 797 /* ------------------------------------------------------------ */ |
| 798 /* | |
| 799 * @see java.io.OutputStream#flush() | |
| 800 */ | |
| 801 @Override | |
| 802 public void flush() throws IOException | |
| 803 { | |
| 985 | 804 if (!_generator.isCommitted()) |
| 982 | 805 commitResponse(HttpGenerator.MORE); |
| 985 | 806 _generator.flush(getMaxIdleTime()); |
| 826 | 807 } |
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808 |
| 826 | 809 /* ------------------------------------------------------------ */ |
| 810 /* | |
| 811 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 812 */ | |
| 813 @Override | |
| 814 public void print(String s) throws IOException | |
| 815 { | |
| 985 | 816 if (_closed) |
| 826 | 817 throw new IOException("Closed"); |
| 985 | 818 PrintWriter writer = getPrintWriter(null); |
| 826 | 819 writer.print(s); |
| 820 } | |
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821 |
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822 public final void sendContent(InputStream in) throws IOException |
| 826 | 823 { |
| 985 | 824 if (_closed) |
| 826 | 825 throw new IOException("Closed"); |
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826 |
| 985 | 827 if (_generator.isWritten()) |
| 826 | 828 throw new IllegalStateException("!empty"); |
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829 |
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830 try |
| 826 | 831 { |
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832 int max = _generator.prepareUncheckedAddContent(); |
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833 Buffer buffer = _generator.getUncheckedBuffer(); |
| 826 | 834 |
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835 int len = buffer.readFrom(in,max); |
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836 |
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837 while (len>=0) |
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838 { |
| 985 | 839 _generator.completeUncheckedAddContent(); |
| 826 | 840 _out.flush(); |
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841 |
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842 max = _generator.prepareUncheckedAddContent(); |
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843 buffer = _generator.getUncheckedBuffer(); |
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844 len=buffer.readFrom(in,max); |
| 826 | 845 } |
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846 _generator.completeUncheckedAddContent(); |
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847 _out.flush(); |
| 826 | 848 } |
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849 finally |
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850 { |
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851 in.close(); |
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852 } |
| 981 | 853 } |
| 854 } | |
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855 |
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856 |
| 981 | 857 private final class HttpInput extends ServletInputStream |
| 858 { | |
| 859 /* ------------------------------------------------------------ */ | |
| 860 /* | |
| 861 * @see java.io.InputStream#read() | |
| 862 */ | |
| 863 @Override | |
| 864 public int read() throws IOException | |
| 865 { | |
| 866 byte[] bytes = new byte[1]; | |
| 867 int read = read(bytes, 0, 1); | |
| 868 return read < 0 ? -1 : 0xff & bytes[0]; | |
| 869 } | |
| 870 | |
| 871 /* ------------------------------------------------------------ */ | |
| 872 /* | |
| 873 * @see java.io.InputStream#read(byte[], int, int) | |
| 874 */ | |
| 875 @Override | |
| 876 public int read(byte[] b, int off, int len) throws IOException | |
| 877 { | |
| 878 int l = -1; | |
| 879 Buffer content = _parser.blockForContent(getMaxIdleTime()); | |
| 880 if (content!=null) | |
| 881 l = content.get(b, off, len); | |
| 882 else if (_earlyEOF) | |
| 883 throw new EofException("early EOF"); | |
| 884 return l; | |
| 885 } | |
| 886 | |
| 887 @Override | |
| 888 public int available() throws IOException | |
| 889 { | |
| 890 return _parser.available(); | |
| 826 | 891 } |
| 892 } | |
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893 |
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894 } |