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annotate src/org/eclipse/jetty/server/AbstractHttpConnection.java @ 1028:2ea54e6117c3
remove HttpParser.reset()
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Thu, 03 Nov 2016 00:23:04 -0600 |
| parents | cf0367978d8b |
| children | 4ada7a8c128a |
| 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 _parser = new HttpParser(_connector.getRequestBuffers(), _endp, new RequestHandler()); |
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129 } |
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130 |
| 1015 | 131 private void init() { |
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132 initParser(); |
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133 _request = new Request(this); |
| 826 | 134 _response = new Response(this); |
| 135 } | |
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136 |
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137 public final Connector getConnector() |
| 826 | 138 { |
| 139 return _connector; | |
| 140 } | |
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141 |
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142 public final Request getRequest() |
| 826 | 143 { |
| 144 return _request; | |
| 145 } | |
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146 |
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147 public final Response getResponse() |
| 826 | 148 { |
| 149 return _response; | |
| 150 } | |
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151 |
| 826 | 152 /* ------------------------------------------------------------ */ |
| 153 /** | |
| 154 * Get the inputStream from the connection. | |
| 155 * <p> | |
| 156 * If the associated response has the Expect header set to 100 Continue, | |
| 157 * then accessing the input stream indicates that the handler/servlet | |
| 158 * is ready for the request body and thus a 100 Continue response is sent. | |
| 159 * | |
| 160 * @return The input stream for this connection. | |
| 161 * The stream will be created if it does not already exist. | |
| 162 * @throws IOException if the input stream cannot be retrieved | |
| 163 */ | |
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164 public final ServletInputStream getInputStream() throws IOException |
| 826 | 165 { |
| 166 // If the client is expecting 100 CONTINUE, then send it now. | |
| 167 if (_expect100Continue) | |
| 168 { | |
| 169 // is content missing? | |
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170 if (_parser.getHeaderBuffer()==null || _parser.getHeaderBuffer().length()<2) |
| 826 | 171 { |
| 172 if (_generator.isCommitted()) | |
| 173 throw new IllegalStateException("Committed before 100 Continues"); | |
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174 |
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175 _generator.send1xx(HttpStatus.CONTINUE_100); |
| 826 | 176 } |
| 177 _expect100Continue=false; | |
| 178 } | |
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179 |
| 826 | 180 if (_in == null) |
| 981 | 181 _in = new HttpInput(); |
| 826 | 182 return _in; |
| 183 } | |
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184 |
| 826 | 185 /* ------------------------------------------------------------ */ |
| 186 /** | |
| 187 * @return The output stream for this connection. The stream will be created if it does not already exist. | |
| 188 */ | |
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189 public final ServletOutputStream getOutputStream() |
| 826 | 190 { |
| 191 if (_out == null) | |
| 192 _out = new Output(); | |
| 193 return _out; | |
| 194 } | |
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195 |
| 826 | 196 /* ------------------------------------------------------------ */ |
| 197 /** | |
| 198 * @param encoding the PrintWriter encoding | |
| 199 * @return A {@link PrintWriter} wrapping the {@link #getOutputStream output stream}. The writer is created if it | |
| 200 * does not already exist. | |
| 201 */ | |
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202 public final PrintWriter getPrintWriter(String encoding) |
| 826 | 203 { |
| 204 getOutputStream(); | |
| 205 if (_writer==null) | |
| 206 { | |
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207 _writer = new HttpWriter(_out); |
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208 _printWriter = new PrintWriter(_writer) |
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209 { |
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210 public void close() |
| 826 | 211 { |
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212 synchronized (lock) |
| 826 | 213 { |
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214 try |
| 826 | 215 { |
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216 out.close(); |
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217 } |
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218 catch (IOException e) |
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219 { |
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220 setError(); |
| 826 | 221 } |
| 222 } | |
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223 } |
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224 }; |
| 826 | 225 } |
| 226 _writer.setCharacterEncoding(encoding); | |
| 227 return _printWriter; | |
| 228 } | |
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229 |
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230 protected void reset() |
| 826 | 231 { |
| 232 _requestFields.clear(); | |
| 233 _generator.reset(); | |
| 234 _generator.returnBuffers();// TODO maybe only on unhandle | |
| 235 _responseFields.clear(); | |
| 236 _uri.clear(); | |
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237 _writer = null; |
| 826 | 238 _earlyEOF = false; |
| 1015 | 239 init(); |
| 826 | 240 } |
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241 |
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242 private void handleRequest() throws IOException |
| 826 | 243 { |
| 244 boolean error = false; | |
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245 |
| 826 | 246 try |
| 247 { | |
| 248 // Loop here to handle async request redispatches. | |
| 249 // The loop is controlled by the call to async.unhandle in the | |
| 250 // finally block below. If call is from a non-blocking connector, | |
| 251 // then the unhandle will return false only if an async dispatch has | |
| 252 // already happened when unhandle is called. For a blocking connector, | |
| 253 // the wait for the asynchronous dispatch or timeout actually happens | |
| 254 // within the call to unhandle(). | |
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255 |
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256 _request.setHandled(false); |
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257 |
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258 String info=null; |
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259 try |
| 826 | 260 { |
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261 _uri.getPort(); |
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262 String path = null; |
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263 |
| 826 | 264 try |
| 265 { | |
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266 path = _uri.getDecodedPath(); |
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267 } |
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268 catch (Exception e) |
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269 { |
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270 LOG.warn("Failed UTF-8 decode for request path, trying ISO-8859-1"); |
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271 LOG.trace("",e); |
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272 path = _uri.getDecodedPath(StringUtil.__ISO_8859_1); |
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273 } |
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274 |
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275 info = URIUtil.canonicalPath(path); |
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276 if (info==null && !_request.getMethod().equals(HttpMethods.CONNECT)) |
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277 { |
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278 if (path==null && _uri.getScheme()!=null && _uri.getHost()!=null) |
| 826 | 279 { |
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280 info="/"; |
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281 _request.setRequestURI(""); |
| 826 | 282 } |
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283 else |
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284 throw new HttpException(400); |
| 826 | 285 } |
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286 _request.setPathInfo(info); |
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287 |
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288 if (_out!=null) |
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289 _out.reopen(); |
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290 |
| 1001 | 291 _connector.customize(this); |
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292 _server.handle(this); |
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293 } |
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294 catch (EofException e) |
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295 { |
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296 LOG.debug("",e); |
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297 error=true; |
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298 _request.setHandled(true); |
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299 if (!_response.isCommitted()) |
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300 _generator.sendError(500, null, null, true); |
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301 } |
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302 catch (RuntimeIOException e) |
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303 { |
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304 LOG.debug("",e); |
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305 error=true; |
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306 _request.setHandled(true); |
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307 } |
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308 catch (HttpException e) |
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309 { |
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310 LOG.debug("",e); |
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311 error=true; |
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312 _request.setHandled(true); |
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313 _response.sendError(e.getStatus(), e.getReason()); |
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314 } |
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315 catch (Throwable e) |
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316 { |
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317 LOG.warn(String.valueOf(_uri),e); |
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318 error=true; |
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319 _request.setHandled(true); |
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320 _generator.sendError(info==null?400:500, null, null, true); |
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321 |
| 826 | 322 } |
| 323 } | |
| 324 finally | |
| 325 { | |
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326 if (_expect100Continue) |
| 826 | 327 { |
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328 LOG.debug("100 continues not sent"); |
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329 // We didn't send 100 continues, but the latest interpretation |
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330 // of the spec (see httpbis) is that the client will either |
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331 // send the body anyway, or close. So we no longer need to |
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332 // do anything special here other than make the connection not persistent |
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333 _expect100Continue = false; |
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334 if (!_response.isCommitted()) |
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335 _generator.setPersistent(false); |
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336 } |
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337 |
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338 if(_endp.isOpen()) |
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339 { |
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340 if (error) |
| 826 | 341 { |
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342 _endp.shutdownOutput(); |
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343 _generator.setPersistent(false); |
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344 if (!_generator.isComplete()) |
| 826 | 345 _response.complete(); |
| 346 } | |
| 347 else | |
| 348 { | |
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349 if (!_response.isCommitted() && !_request.isHandled()) |
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350 _response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 826 | 351 _response.complete(); |
| 352 } | |
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353 } |
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354 else |
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355 { |
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356 _response.complete(); |
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357 } |
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358 |
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359 _request.setHandled(true); |
| 826 | 360 } |
| 361 } | |
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362 |
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363 |
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364 public final void commitResponse(boolean last) throws IOException |
| 826 | 365 { |
| 366 if (!_generator.isCommitted()) | |
| 367 { | |
| 368 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 369 try | |
| 370 { | |
| 371 // If the client was expecting 100 continues, but we sent something | |
| 372 // else, then we need to close the connection | |
| 373 if (_expect100Continue && _response.getStatus()!=100) | |
| 374 _generator.setPersistent(false); | |
| 375 _generator.completeHeader(_responseFields, last); | |
| 376 } | |
| 377 catch(RuntimeException e) | |
| 378 { | |
| 379 LOG.warn("header full: " + e); | |
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380 |
| 826 | 381 _response.reset(); |
| 382 _generator.reset(); | |
| 383 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 982 | 384 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 385 _generator.complete(); |
| 386 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 387 } | |
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388 |
| 826 | 389 } |
| 390 if (last) | |
| 391 _generator.complete(); | |
| 392 } | |
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393 |
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394 public final void completeResponse() throws IOException |
| 826 | 395 { |
| 396 if (!_generator.isCommitted()) | |
| 397 { | |
| 398 _generator.setResponse(_response.getStatus(), _response.getReason()); | |
| 399 try | |
| 400 { | |
| 982 | 401 _generator.completeHeader(_responseFields, HttpGenerator.LAST); |
| 826 | 402 } |
| 403 catch(RuntimeException e) | |
| 404 { | |
| 405 LOG.warn("header full: "+e); | |
| 406 LOG.debug("",e); | |
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407 |
| 826 | 408 _response.reset(); |
| 409 _generator.reset(); | |
| 410 _generator.setResponse(HttpStatus.INTERNAL_SERVER_ERROR_500,null); | |
| 982 | 411 _generator.completeHeader(_responseFields,HttpGenerator.LAST); |
| 826 | 412 _generator.complete(); |
| 413 throw new HttpException(HttpStatus.INTERNAL_SERVER_ERROR_500); | |
| 414 } | |
| 415 } | |
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416 |
| 826 | 417 _generator.complete(); |
| 418 } | |
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419 |
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420 public final void flushResponse() throws IOException |
| 826 | 421 { |
| 422 try | |
| 423 { | |
| 982 | 424 commitResponse(HttpGenerator.MORE); |
| 826 | 425 _generator.flushBuffer(); |
| 426 } | |
| 427 catch(IOException e) | |
| 428 { | |
| 429 throw (e instanceof EofException) ? e:new EofException(e); | |
| 430 } | |
| 431 } | |
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432 |
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433 public final int getMaxIdleTime() |
| 826 | 434 { |
| 996 | 435 if (_connector.server.isLowOnThreads() && _endp.getMaxIdleTime()==_connector.getMaxIdleTime()) |
| 913 | 436 return 0; |
| 826 | 437 if (_endp.getMaxIdleTime()>0) |
| 438 return _endp.getMaxIdleTime(); | |
| 439 return _connector.getMaxIdleTime(); | |
| 440 } | |
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441 |
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442 @Override |
| 826 | 443 public String toString() |
| 444 { | |
| 1001 | 445 return String.format("%s,g=%s,p=%s", |
| 826 | 446 super.toString(), |
| 447 _generator, | |
| 1001 | 448 _parser); |
| 826 | 449 } |
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450 |
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451 private void startRequest(String method, String uri, String version) throws IOException |
| 826 | 452 { |
| 453 _host = false; | |
| 454 _expect = false; | |
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455 _expect100Continue = false; |
| 826 | 456 _delayedHandling=false; |
| 457 _charset=null; | |
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458 |
| 826 | 459 if(_request.getTimeStamp()==0) |
| 460 _request.setTimeStamp(System.currentTimeMillis()); | |
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461 _request.setMethod(method); |
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462 |
| 826 | 463 try |
| 464 { | |
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465 _head = false; |
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466 byte[] bytes = StringUtil.getBytes(uri); |
| 826 | 467 switch (HttpMethods.CACHE.getOrdinal(method)) |
| 468 { | |
| 469 case HttpMethods.CONNECT_ORDINAL: | |
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470 _uri.parseConnect(bytes, 0, bytes.length); |
| 826 | 471 break; |
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472 |
| 826 | 473 case HttpMethods.HEAD_ORDINAL: |
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474 _head = true; |
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475 _uri.parse(bytes, 0, bytes.length); |
| 826 | 476 break; |
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477 |
| 826 | 478 default: |
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479 _uri.parse(bytes, 0, bytes.length); |
| 826 | 480 } |
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481 |
| 826 | 482 _request.setUri(_uri); |
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483 |
| 826 | 484 if (version==null) |
| 485 { | |
| 486 _request.setProtocol(HttpVersions.HTTP_0_9); | |
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487 _version = HttpVersions.HTTP_0_9_ORDINAL; |
| 826 | 488 } |
| 489 else | |
| 490 { | |
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491 if (!HttpVersions.CACHE.contains(version)) |
| 826 | 492 throw new HttpException(HttpStatus.BAD_REQUEST_400,null); |
| 493 _version = HttpVersions.CACHE.getOrdinal(version); | |
| 494 if (_version <= 0) _version = HttpVersions.HTTP_1_0_ORDINAL; | |
| 495 _request.setProtocol(version.toString()); | |
| 496 } | |
| 497 } | |
| 498 catch (Exception e) | |
| 499 { | |
| 500 LOG.debug("",e); | |
| 501 if (e instanceof HttpException) | |
| 502 throw (HttpException)e; | |
| 503 throw new HttpException(HttpStatus.BAD_REQUEST_400,null,e); | |
| 504 } | |
| 505 } | |
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506 |
| 1021 | 507 private void parsedHeader(String name, String value) throws IOException |
| 826 | 508 { |
| 509 int ho = HttpHeaders.CACHE.getOrdinal(name); | |
| 510 switch (ho) | |
| 511 { | |
| 512 case HttpHeaders.HOST_ORDINAL: | |
| 513 // TODO check if host matched a host in the URI. | |
| 514 _host = true; | |
| 515 break; | |
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516 |
| 826 | 517 case HttpHeaders.EXPECT_ORDINAL: |
| 518 if (_version>=HttpVersions.HTTP_1_1_ORDINAL) | |
| 519 { | |
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520 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 521 switch(HttpHeaderValues.CACHE.getOrdinal(value)) |
| 522 { | |
| 523 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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524 _expect100Continue = true; |
| 826 | 525 break; |
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526 |
| 826 | 527 default: |
| 528 String[] values = value.toString().split(","); | |
| 529 for (int i=0;values!=null && i<values.length;i++) | |
| 530 { | |
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531 int cb = HttpHeaderValues.CACHE.getOrdinal(values[i].trim()); |
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532 if (cb == -1) |
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533 _expect = true; |
| 826 | 534 else |
| 535 { | |
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536 switch(cb) |
| 826 | 537 { |
| 538 case HttpHeaderValues.CONTINUE_ORDINAL: | |
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539 _expect100Continue = true; |
| 826 | 540 break; |
| 541 default: | |
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542 _expect = true; |
| 826 | 543 } |
| 544 } | |
| 545 } | |
| 546 } | |
| 547 } | |
| 548 break; | |
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549 |
| 826 | 550 case HttpHeaders.ACCEPT_ENCODING_ORDINAL: |
| 551 case HttpHeaders.USER_AGENT_ORDINAL: | |
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552 // value = HttpHeaderValues.CACHE.lookup(value); |
| 826 | 553 break; |
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554 |
| 826 | 555 case HttpHeaders.CONTENT_TYPE_ORDINAL: |
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556 // value = MimeTypes.CACHE.lookup(value); |
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557 _charset = MimeTypes.getCharsetFromContentType(value); |
| 826 | 558 break; |
| 559 } | |
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560 |
| 826 | 561 _requestFields.add(name, value); |
| 562 } | |
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563 |
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564 private void headerComplete() throws IOException |
| 826 | 565 { |
| 566 // Handle idle race | |
| 567 if (_endp.isOutputShutdown()) | |
| 568 { | |
| 569 _endp.close(); | |
| 570 return; | |
| 571 } | |
| 572 | |
| 573 _generator.setVersion(_version); | |
| 574 switch (_version) | |
| 575 { | |
| 576 case HttpVersions.HTTP_0_9_ORDINAL: | |
| 577 break; | |
| 578 case HttpVersions.HTTP_1_0_ORDINAL: | |
| 579 _generator.setHead(_head); | |
| 580 if (_parser.isPersistent()) | |
| 581 { | |
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582 _responseFields.add(HttpHeaders.CONNECTION, HttpHeaderValues.KEEP_ALIVE); |
| 826 | 583 _generator.setPersistent(true); |
| 584 } | |
| 585 else if (HttpMethods.CONNECT.equals(_request.getMethod())) | |
| 586 { | |
| 587 _generator.setPersistent(true); | |
| 588 _parser.setPersistent(true); | |
| 589 } | |
| 590 break; | |
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591 |
| 826 | 592 case HttpVersions.HTTP_1_1_ORDINAL: |
| 593 _generator.setHead(_head); | |
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594 |
| 826 | 595 if (!_parser.isPersistent()) |
| 596 { | |
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597 _responseFields.add(HttpHeaders.CONNECTION,HttpHeaderValues.CLOSE); |
| 826 | 598 _generator.setPersistent(false); |
| 599 } | |
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|
600 |
| 826 | 601 if (!_host) |
| 602 { | |
| 603 LOG.debug("!host {}",this); | |
| 604 _generator.setResponse(HttpStatus.BAD_REQUEST_400, null); | |
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605 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 606 _generator.completeHeader(_responseFields, true); |
| 607 _generator.complete(); | |
| 608 return; | |
| 609 } | |
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|
610 |
| 826 | 611 if (_expect) |
| 612 { | |
| 613 LOG.debug("!expectation {}",this); | |
| 614 _generator.setResponse(HttpStatus.EXPECTATION_FAILED_417, null); | |
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|
615 _responseFields.put(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE); |
| 826 | 616 _generator.completeHeader(_responseFields, true); |
| 617 _generator.complete(); | |
| 618 return; | |
| 619 } | |
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620 |
| 826 | 621 break; |
| 622 default: | |
| 623 } | |
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624 |
| 826 | 625 if(_charset!=null) |
| 626 _request.setCharacterEncodingUnchecked(_charset); | |
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627 |
| 826 | 628 // Either handle now or wait for first content |
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629 if ((_parser.getContentLength()<=0 && !_parser.isChunking())||_expect100Continue) |
| 826 | 630 handleRequest(); |
| 631 else | |
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632 _delayedHandling = true; |
| 826 | 633 } |
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634 |
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635 private void content(Buffer buffer) throws IOException |
| 826 | 636 { |
| 637 if (_delayedHandling) | |
| 638 { | |
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639 _delayedHandling = false; |
| 826 | 640 handleRequest(); |
| 641 } | |
| 642 } | |
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643 |
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644 private void messageComplete(long contentLength) throws IOException |
| 826 | 645 { |
| 646 if (_delayedHandling) | |
| 647 { | |
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648 _delayedHandling = false; |
| 826 | 649 handleRequest(); |
| 650 } | |
| 651 } | |
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652 |
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653 private void earlyEOF() |
| 826 | 654 { |
| 655 _earlyEOF = true; | |
| 656 } | |
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657 |
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658 |
| 980 | 659 private class RequestHandler implements HttpParser.EventHandler |
| 826 | 660 { |
| 661 @Override | |
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662 public void startRequest(String method, String uri, String version) throws IOException |
| 826 | 663 { |
| 664 AbstractHttpConnection.this.startRequest(method, uri, version); | |
| 665 } | |
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|
666 |
| 826 | 667 @Override |
| 1021 | 668 public void parsedHeader(String name, String value) throws IOException |
| 826 | 669 { |
| 670 AbstractHttpConnection.this.parsedHeader(name, value); | |
| 671 } | |
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|
672 |
| 826 | 673 @Override |
| 674 public void headerComplete() throws IOException | |
| 675 { | |
| 676 AbstractHttpConnection.this.headerComplete(); | |
| 677 } | |
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678 |
| 826 | 679 @Override |
| 680 public void content(Buffer ref) throws IOException | |
| 681 { | |
| 682 AbstractHttpConnection.this.content(ref); | |
| 683 } | |
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|
684 |
| 826 | 685 @Override |
| 686 public void messageComplete(long contentLength) throws IOException | |
| 687 { | |
| 688 AbstractHttpConnection.this.messageComplete(contentLength); | |
| 689 } | |
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|
690 |
| 826 | 691 @Override |
| 692 public void earlyEOF() | |
| 693 { | |
| 694 AbstractHttpConnection.this.earlyEOF(); | |
| 695 } | |
| 696 } | |
|
802
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697 |
|
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698 |
| 985 | 699 public final class Output extends ServletOutputStream |
| 826 | 700 { |
| 985 | 701 private boolean _closed; |
| 702 private ByteArrayBuffer _onebyte; | |
| 703 | |
| 704 // These are held here for reuse by Writer | |
| 705 String _characterEncoding; | |
| 706 Writer _converter; | |
| 707 char[] _chars; | |
| 708 ByteArrayOutputStream2 _bytes; | |
| 709 | |
| 710 public final void reopen() | |
| 711 { | |
| 712 _closed = false; | |
| 713 } | |
| 714 | |
| 715 @Override | |
| 716 public final void write(byte[] b, int off, int len) throws IOException | |
| 717 { | |
| 718 write(new ByteArrayBuffer(b,off,len)); | |
| 719 } | |
| 720 | |
| 721 @Override | |
| 722 public final void write(byte[] b) throws IOException | |
| 723 { | |
| 724 write(new ByteArrayBuffer(b)); | |
| 725 } | |
| 726 | |
| 727 @Override | |
| 728 public final void write(int b) throws IOException | |
| 826 | 729 { |
| 985 | 730 if (_onebyte==null) |
| 731 _onebyte = new ByteArrayBuffer(1); | |
| 732 else | |
| 733 _onebyte.clear(); | |
| 734 _onebyte.put((byte)b); | |
| 735 write(_onebyte); | |
| 826 | 736 } |
| 985 | 737 |
| 738 private void write(Buffer buffer) throws IOException | |
| 739 { | |
| 740 if (_closed) | |
| 741 throw new IOException("Closed"); | |
| 742 if (!_generator.isOpen()) | |
| 743 throw new EofException(); | |
| 744 | |
| 745 // Block until we can add _content. | |
| 746 while (_generator.isBufferFull()) | |
| 747 { | |
| 748 _generator.blockForOutput(getMaxIdleTime()); | |
| 749 if (_closed) | |
| 750 throw new IOException("Closed"); | |
| 751 if (!_generator.isOpen()) | |
| 752 throw new EofException(); | |
| 753 } | |
| 754 | |
| 755 // Add the _content | |
| 756 _generator.addContent(buffer, HttpGenerator.MORE); | |
| 757 | |
| 758 // Have to flush and complete headers? | |
| 759 | |
| 760 if (_generator.isAllContentWritten()) | |
| 761 { | |
| 762 flush(); | |
| 763 close(); | |
| 764 } | |
| 765 else if (_generator.isBufferFull()) | |
| 766 commitResponse(HttpGenerator.MORE); | |
| 767 | |
| 768 // Block until our buffer is free | |
| 769 while (buffer.length() > 0 && _generator.isOpen()) | |
| 770 { | |
| 771 _generator.blockForOutput(getMaxIdleTime()); | |
| 772 } | |
| 773 } | |
| 774 | |
| 775 | |
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776 |
| 826 | 777 /* ------------------------------------------------------------ */ |
| 778 /* | |
| 779 * @see java.io.OutputStream#close() | |
| 780 */ | |
| 781 @Override | |
| 782 public void close() throws IOException | |
| 783 { | |
| 985 | 784 if (_closed) |
| 826 | 785 return; |
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786 |
| 985 | 787 if (!_generator.isCommitted()) |
| 982 | 788 commitResponse(HttpGenerator.LAST); |
| 826 | 789 else |
| 790 flushResponse(); | |
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791 |
| 985 | 792 _closed = true; |
| 826 | 793 } |
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794 |
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795 |
| 826 | 796 /* ------------------------------------------------------------ */ |
| 797 /* | |
| 798 * @see java.io.OutputStream#flush() | |
| 799 */ | |
| 800 @Override | |
| 801 public void flush() throws IOException | |
| 802 { | |
| 985 | 803 if (!_generator.isCommitted()) |
| 982 | 804 commitResponse(HttpGenerator.MORE); |
| 985 | 805 _generator.flush(getMaxIdleTime()); |
| 826 | 806 } |
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807 |
| 826 | 808 /* ------------------------------------------------------------ */ |
| 809 /* | |
| 810 * @see javax.servlet.ServletOutputStream#print(java.lang.String) | |
| 811 */ | |
| 812 @Override | |
| 813 public void print(String s) throws IOException | |
| 814 { | |
| 985 | 815 if (_closed) |
| 826 | 816 throw new IOException("Closed"); |
| 985 | 817 PrintWriter writer = getPrintWriter(null); |
| 826 | 818 writer.print(s); |
| 819 } | |
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820 |
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821 public final void sendContent(InputStream in) throws IOException |
| 826 | 822 { |
| 985 | 823 if (_closed) |
| 826 | 824 throw new IOException("Closed"); |
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825 |
| 985 | 826 if (_generator.isWritten()) |
| 826 | 827 throw new IllegalStateException("!empty"); |
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828 |
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829 try |
| 826 | 830 { |
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831 int max = _generator.prepareUncheckedAddContent(); |
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832 Buffer buffer = _generator.getUncheckedBuffer(); |
| 826 | 833 |
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834 int len = buffer.readFrom(in,max); |
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835 |
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836 while (len>=0) |
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837 { |
| 985 | 838 _generator.completeUncheckedAddContent(); |
| 826 | 839 _out.flush(); |
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840 |
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841 max = _generator.prepareUncheckedAddContent(); |
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842 buffer = _generator.getUncheckedBuffer(); |
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843 len=buffer.readFrom(in,max); |
| 826 | 844 } |
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845 _generator.completeUncheckedAddContent(); |
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846 _out.flush(); |
| 826 | 847 } |
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848 finally |
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849 { |
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850 in.close(); |
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851 } |
| 981 | 852 } |
| 853 } | |
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854 |
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855 |
| 981 | 856 private final class HttpInput extends ServletInputStream |
| 857 { | |
| 858 /* ------------------------------------------------------------ */ | |
| 859 /* | |
| 860 * @see java.io.InputStream#read() | |
| 861 */ | |
| 862 @Override | |
| 863 public int read() throws IOException | |
| 864 { | |
| 865 byte[] bytes = new byte[1]; | |
| 866 int read = read(bytes, 0, 1); | |
| 867 return read < 0 ? -1 : 0xff & bytes[0]; | |
| 868 } | |
| 869 | |
| 870 /* ------------------------------------------------------------ */ | |
| 871 /* | |
| 872 * @see java.io.InputStream#read(byte[], int, int) | |
| 873 */ | |
| 874 @Override | |
| 875 public int read(byte[] b, int off, int len) throws IOException | |
| 876 { | |
| 877 int l = -1; | |
| 878 Buffer content = _parser.blockForContent(getMaxIdleTime()); | |
| 879 if (content!=null) | |
| 880 l = content.get(b, off, len); | |
| 881 else if (_earlyEOF) | |
| 882 throw new EofException("early EOF"); | |
| 883 return l; | |
| 884 } | |
| 885 | |
| 886 @Override | |
| 887 public int available() throws IOException | |
| 888 { | |
| 889 return _parser.available(); | |
| 826 | 890 } |
| 891 } | |
|
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892 |
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893 } |