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annotate src/org/eclipse/jetty/server/NCSARequestLog.java @ 854:359012f4e797
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| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Tue, 20 Sep 2016 01:05:37 -0600 |
| parents | 3242aff51053 |
| children | fa6158f29c45 |
| 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.OutputStream; |
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23 import java.io.OutputStreamWriter; |
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24 import java.io.Writer; |
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25 import java.io.File; |
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26 import java.io.FileOutputStream; |
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27 import java.util.Locale; |
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28 import java.util.TimeZone; |
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29 |
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30 import javax.servlet.http.Cookie; |
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31 |
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32 import org.eclipse.jetty.http.HttpHeaders; |
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33 import org.eclipse.jetty.util.DateCache; |
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34 import org.eclipse.jetty.util.component.AbstractLifeCycle; |
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35 import org.slf4j.Logger; |
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36 import org.slf4j.LoggerFactory; |
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37 |
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38 /** |
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39 * This {@link RequestLog} implementation outputs logs in the pseudo-standard |
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40 * NCSA common log format. Configuration options allow a choice between the |
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41 * standard Common Log Format (as used in the 3 log format) and the Combined Log |
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42 * Format (single log format). This log format can be output by most web |
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43 * servers, and almost all web log analysis software can understand these |
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44 * formats. |
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45 * |
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46 * @org.apache.xbean.XBean element="ncsaLog" |
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47 */ |
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48 |
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49 /* ------------------------------------------------------------ */ |
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50 /** |
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51 */ |
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52 public class NCSARequestLog extends AbstractLifeCycle implements RequestLog |
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53 { |
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54 private static final Logger LOG = LoggerFactory.getLogger(NCSARequestLog.class); |
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55 |
| 813 | 56 private String _filename; |
| 57 private boolean _extended; | |
| 854 | 58 public long retainTime = 1000L*60*60*24*31; // 31 days |
| 813 | 59 private boolean _closeOut; |
| 60 private boolean _preferProxiedForAddress; | |
| 61 private String _logDateFormat = "dd/MMM/yyyy:HH:mm:ss Z"; | |
| 62 private Locale _logLocale = Locale.getDefault(); | |
| 63 private String _logTimeZone = "GMT"; | |
| 64 private boolean _logLatency = false; | |
| 65 private boolean _logCookies = false; | |
| 66 private boolean _logServer = false; | |
| 67 private boolean _logDispatch = false; | |
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68 |
| 813 | 69 private transient OutputStream _out; |
| 70 private transient DateCache _logDateCache; | |
| 71 private transient Writer _writer; | |
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72 |
| 813 | 73 /* ------------------------------------------------------------ */ |
| 74 /** | |
| 75 * Create request log object with default settings. | |
| 76 */ | |
| 77 public NCSARequestLog() | |
| 78 { | |
| 79 _extended = true; | |
| 80 } | |
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81 |
| 813 | 82 /* ------------------------------------------------------------ */ |
| 83 /** | |
| 84 * Create request log object with specified output file name. | |
| 85 * | |
| 86 * @param filename the file name for the request log. | |
| 87 * This may be in the format expected | |
| 88 * by {@link RolloverFileOutputStream} | |
| 89 */ | |
| 90 public NCSARequestLog(String filename) | |
| 91 { | |
| 92 _extended = true; | |
| 93 setFilename(filename); | |
| 94 } | |
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95 |
| 813 | 96 /* ------------------------------------------------------------ */ |
| 97 /** | |
| 98 * Set the output file name of the request log. | |
| 99 * The file name may be in the format expected by | |
| 100 * {@link RolloverFileOutputStream}. | |
| 101 * | |
| 102 * @param filename file name of the request log | |
| 103 * | |
| 104 */ | |
| 105 public void setFilename(String filename) | |
| 106 { | |
| 107 if (filename != null) | |
| 108 { | |
| 109 filename = filename.trim(); | |
| 110 if (filename.length() == 0) | |
| 111 filename = null; | |
| 112 } | |
| 113 _filename = filename; | |
| 114 } | |
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115 |
| 813 | 116 /* ------------------------------------------------------------ */ |
| 117 /** | |
| 118 * Retrieve the output file name of the request log. | |
| 119 * | |
| 120 * @return file name of the request log | |
| 121 */ | |
| 122 public String getFilename() | |
| 123 { | |
| 124 return _filename; | |
| 125 } | |
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126 |
| 813 | 127 /* ------------------------------------------------------------ */ |
| 128 /** | |
| 129 * Set the timestamp format for request log entries in the file. | |
| 130 * If this is not set, the pre-formated request timestamp is used. | |
| 131 * | |
| 132 * @param format timestamp format string | |
| 133 */ | |
| 134 public void setLogDateFormat(String format) | |
| 135 { | |
| 136 _logDateFormat = format; | |
| 137 } | |
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138 |
| 813 | 139 /* ------------------------------------------------------------ */ |
| 140 /** | |
| 141 * Retrieve the timestamp format string for request log entries. | |
| 142 * | |
| 143 * @return timestamp format string. | |
| 144 */ | |
| 145 public String getLogDateFormat() | |
| 146 { | |
| 147 return _logDateFormat; | |
| 148 } | |
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149 |
| 813 | 150 /* ------------------------------------------------------------ */ |
| 151 /** | |
| 152 * Set the locale of the request log. | |
| 153 * | |
| 154 * @param logLocale locale object | |
| 155 */ | |
| 156 public void setLogLocale(Locale logLocale) | |
| 157 { | |
| 158 _logLocale = logLocale; | |
| 159 } | |
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160 |
| 813 | 161 /* ------------------------------------------------------------ */ |
| 162 /** | |
| 163 * Retrieve the locale of the request log. | |
| 164 * | |
| 165 * @return locale object | |
| 166 */ | |
| 167 public Locale getLogLocale() | |
| 168 { | |
| 169 return _logLocale; | |
| 170 } | |
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171 |
| 813 | 172 /* ------------------------------------------------------------ */ |
| 173 /** | |
| 174 * Set the timezone of the request log. | |
| 175 * | |
| 176 * @param tz timezone string | |
| 177 */ | |
| 178 public void setLogTimeZone(String tz) | |
| 179 { | |
| 180 _logTimeZone = tz; | |
| 181 } | |
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182 |
| 813 | 183 /* ------------------------------------------------------------ */ |
| 184 /** | |
| 185 * Retrieve the timezone of the request log. | |
| 186 * | |
| 187 * @return timezone string | |
| 188 */ | |
| 189 public String getLogTimeZone() | |
| 190 { | |
| 191 return _logTimeZone; | |
| 192 } | |
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193 |
| 813 | 194 /* ------------------------------------------------------------ */ |
| 195 /** | |
| 196 * Set the extended request log format flag. | |
| 197 * | |
| 198 * @param extended true - log the extended request information, | |
| 199 * false - do not log the extended request information | |
| 200 */ | |
| 201 public void setExtended(boolean extended) | |
| 202 { | |
| 203 _extended = extended; | |
| 204 } | |
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205 |
| 813 | 206 /* ------------------------------------------------------------ */ |
| 207 /** | |
| 208 * Retrieve the extended request log format flag. | |
| 209 * | |
| 210 * @return value of the flag | |
| 211 */ | |
| 212 public boolean isExtended() | |
| 213 { | |
| 214 return _extended; | |
| 215 } | |
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216 |
| 813 | 217 /* ------------------------------------------------------------ */ |
| 218 /** | |
| 219 * Controls logging of the request cookies. | |
| 220 * | |
| 221 * @param logCookies true - values of request cookies will be logged, | |
| 222 * false - values of request cookies will not be logged | |
| 223 */ | |
| 224 public void setLogCookies(boolean logCookies) | |
| 225 { | |
| 226 _logCookies = logCookies; | |
| 227 } | |
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228 |
| 813 | 229 /* ------------------------------------------------------------ */ |
| 230 /** | |
| 231 * Retrieve log cookies flag | |
| 232 * | |
| 233 * @return value of the flag | |
| 234 */ | |
| 235 public boolean getLogCookies() | |
| 236 { | |
| 237 return _logCookies; | |
| 238 } | |
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239 |
| 813 | 240 /* ------------------------------------------------------------ */ |
| 241 /** | |
| 242 * Controls logging of the request hostname. | |
| 243 * | |
| 244 * @param logServer true - request hostname will be logged, | |
| 245 * false - request hostname will not be logged | |
| 246 */ | |
| 247 public void setLogServer(boolean logServer) | |
| 248 { | |
| 249 _logServer = logServer; | |
| 250 } | |
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251 |
| 813 | 252 /* ------------------------------------------------------------ */ |
| 253 /** | |
| 254 * Retrieve log hostname flag. | |
| 255 * | |
| 256 * @return value of the flag | |
| 257 */ | |
| 258 public boolean getLogServer() | |
| 259 { | |
| 260 return _logServer; | |
| 261 } | |
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262 |
| 813 | 263 /* ------------------------------------------------------------ */ |
| 264 /** | |
| 265 * Controls logging of request processing time. | |
| 266 * | |
| 267 * @param logLatency true - request processing time will be logged | |
| 268 * false - request processing time will not be logged | |
| 269 */ | |
| 270 public void setLogLatency(boolean logLatency) | |
| 271 { | |
| 272 _logLatency = logLatency; | |
| 273 } | |
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274 |
| 813 | 275 /* ------------------------------------------------------------ */ |
| 276 /** | |
| 277 * Retrieve log request processing time flag. | |
| 278 * | |
| 279 * @return value of the flag | |
| 280 */ | |
| 281 public boolean getLogLatency() | |
| 282 { | |
| 283 return _logLatency; | |
| 284 } | |
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285 |
| 813 | 286 /* ------------------------------------------------------------ */ |
| 287 /** | |
| 288 * Controls whether the actual IP address of the connection or | |
| 289 * the IP address from the X-Forwarded-For header will be logged. | |
| 290 * | |
| 291 * @param preferProxiedForAddress true - IP address from header will be logged, | |
| 292 * false - IP address from the connection will be logged | |
| 293 */ | |
| 294 public void setPreferProxiedForAddress(boolean preferProxiedForAddress) | |
| 295 { | |
| 296 _preferProxiedForAddress = preferProxiedForAddress; | |
| 297 } | |
| 298 | |
| 299 /* ------------------------------------------------------------ */ | |
| 300 /** | |
| 301 * Retrieved log X-Forwarded-For IP address flag. | |
| 302 * | |
| 303 * @return value of the flag | |
| 304 */ | |
| 305 public boolean getPreferProxiedForAddress() | |
| 306 { | |
| 307 return _preferProxiedForAddress; | |
| 308 } | |
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309 |
| 813 | 310 /* ------------------------------------------------------------ */ |
| 311 /** | |
| 312 * Controls logging of the request dispatch time | |
| 313 * | |
| 314 * @param value true - request dispatch time will be logged | |
| 315 * false - request dispatch time will not be logged | |
| 316 */ | |
| 317 public void setLogDispatch(boolean value) | |
| 318 { | |
| 319 _logDispatch = value; | |
| 320 } | |
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321 |
| 813 | 322 /* ------------------------------------------------------------ */ |
| 323 /** | |
| 324 * Retrieve request dispatch time logging flag | |
| 325 * | |
| 326 * @return value of the flag | |
| 327 */ | |
| 328 public boolean isLogDispatch() | |
| 329 { | |
| 330 return _logDispatch; | |
| 331 } | |
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332 |
| 813 | 333 /* ------------------------------------------------------------ */ |
| 334 /** | |
| 335 * Writes the request and response information to the output stream. | |
| 336 * | |
| 337 * @see org.eclipse.jetty.server.RequestLog#log(org.eclipse.jetty.server.Request, org.eclipse.jetty.server.Response) | |
| 338 */ | |
| 339 public void log(Request request, Response response) | |
| 340 { | |
| 341 try | |
| 342 { | |
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343 if (_out == null) |
| 813 | 344 return; |
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345 |
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346 StringBuilder buf = new StringBuilder(256); |
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347 |
| 813 | 348 if (_logServer) |
| 349 { | |
| 350 buf.append(request.getServerName()); | |
| 351 buf.append(' '); | |
| 352 } | |
| 353 | |
| 354 String addr = null; | |
| 355 if (_preferProxiedForAddress) | |
| 356 { | |
| 357 addr = request.getHeader(HttpHeaders.X_FORWARDED_FOR); | |
| 358 } | |
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359 |
| 813 | 360 if (addr == null) |
| 361 addr = request.getRemoteAddr(); | |
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362 |
| 813 | 363 buf.append(addr); |
| 364 buf.append(" - "); | |
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365 |
| 813 | 366 buf.append(" ["); |
| 367 if (_logDateCache != null) | |
| 368 buf.append(_logDateCache.format(request.getTimeStamp())); | |
| 369 else | |
| 370 buf.append(request.getTimeStampBuffer().toString()); | |
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371 |
| 813 | 372 buf.append("] \""); |
| 373 buf.append(request.getMethod()); | |
| 374 buf.append(' '); | |
| 375 buf.append(request.getUri().toString()); | |
| 376 buf.append(' '); | |
| 377 buf.append(request.getProtocol()); | |
| 378 buf.append("\" "); | |
| 379 if (request.getAsyncContinuation().isInitial()) | |
| 380 { | |
| 381 int status = response.getStatus(); | |
| 382 if (status <= 0) | |
| 383 status = 404; | |
| 384 buf.append((char)('0' + ((status / 100) % 10))); | |
| 385 buf.append((char)('0' + ((status / 10) % 10))); | |
| 386 buf.append((char)('0' + (status % 10))); | |
| 387 } | |
| 388 else | |
| 389 buf.append("Async"); | |
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390 |
| 813 | 391 long responseLength = response.getContentCount(); |
| 392 if (responseLength >= 0) | |
| 393 { | |
| 394 buf.append(' '); | |
| 395 if (responseLength > 99999) | |
| 396 buf.append(responseLength); | |
| 397 else | |
| 398 { | |
| 399 if (responseLength > 9999) | |
| 400 buf.append((char)('0' + ((responseLength / 10000) % 10))); | |
| 401 if (responseLength > 999) | |
| 402 buf.append((char)('0' + ((responseLength / 1000) % 10))); | |
| 403 if (responseLength > 99) | |
| 404 buf.append((char)('0' + ((responseLength / 100) % 10))); | |
| 405 if (responseLength > 9) | |
| 406 buf.append((char)('0' + ((responseLength / 10) % 10))); | |
| 407 buf.append((char)('0' + (responseLength) % 10)); | |
| 408 } | |
| 409 buf.append(' '); | |
| 410 } | |
| 411 else | |
| 412 buf.append(" - "); | |
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413 |
| 813 | 414 |
| 415 if (_extended) | |
| 416 logExtended(request, response, buf); | |
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417 |
| 813 | 418 if (_logCookies) |
| 419 { | |
| 420 Cookie[] cookies = request.getCookies(); | |
| 421 if (cookies == null || cookies.length == 0) | |
| 422 buf.append(" -"); | |
| 423 else | |
| 424 { | |
| 425 buf.append(" \""); | |
| 426 for (int i = 0; i < cookies.length; i++) | |
| 427 { | |
| 428 if (i != 0) | |
| 429 buf.append(';'); | |
| 430 buf.append(cookies[i].getName()); | |
| 431 buf.append('='); | |
| 432 buf.append(cookies[i].getValue()); | |
| 433 } | |
| 434 buf.append('\"'); | |
| 435 } | |
| 436 } | |
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437 |
| 813 | 438 if (_logDispatch || _logLatency) |
| 439 { | |
| 440 long now = System.currentTimeMillis(); | |
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441 |
| 813 | 442 if (_logDispatch) |
| 443 { | |
| 444 long d = request.getDispatchTime(); | |
| 445 buf.append(' '); | |
| 446 buf.append(now - (d==0 ? request.getTimeStamp():d)); | |
| 447 } | |
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448 |
| 813 | 449 if (_logLatency) |
| 450 { | |
| 451 buf.append(' '); | |
| 452 buf.append(now - request.getTimeStamp()); | |
| 453 } | |
| 454 } | |
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455 |
| 854 | 456 buf.append('\n'); |
| 813 | 457 |
| 458 String log = buf.toString(); | |
| 459 write(log); | |
| 460 } | |
| 461 catch (IOException e) | |
| 462 { | |
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463 LOG.warn("",e); |
| 813 | 464 } |
| 465 } | |
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466 |
| 813 | 467 /* ------------------------------------------------------------ */ |
| 468 protected void write(String log) throws IOException | |
| 469 { | |
| 470 synchronized(this) | |
| 471 { | |
| 472 if (_writer==null) | |
| 473 return; | |
| 474 _writer.write(log); | |
| 475 _writer.flush(); | |
| 476 } | |
| 477 } | |
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478 |
| 813 | 479 |
| 480 /* ------------------------------------------------------------ */ | |
| 481 /** | |
| 482 * Writes extended request and response information to the output stream. | |
| 483 * | |
| 484 * @param request request object | |
| 485 * @param response response object | |
| 486 * @param b StringBuilder to write to | |
| 487 * @throws IOException | |
| 488 */ | |
| 489 protected void logExtended(Request request, | |
| 490 Response response, | |
| 491 StringBuilder b) throws IOException | |
| 492 { | |
| 493 String referer = request.getHeader(HttpHeaders.REFERER); | |
| 494 if (referer == null) | |
| 495 b.append("\"-\" "); | |
| 496 else | |
| 497 { | |
| 498 b.append('"'); | |
| 499 b.append(referer); | |
| 500 b.append("\" "); | |
| 501 } | |
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502 |
| 813 | 503 String agent = request.getHeader(HttpHeaders.USER_AGENT); |
| 504 if (agent == null) | |
| 505 b.append("\"-\" "); | |
| 506 else | |
| 507 { | |
| 508 b.append('"'); | |
| 509 b.append(agent); | |
| 510 b.append('"'); | |
| 511 } | |
| 512 } | |
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513 |
| 813 | 514 /* ------------------------------------------------------------ */ |
| 515 /** | |
| 516 * Set up request logging and open log file. | |
| 517 * | |
| 518 * @see org.eclipse.jetty.util.component.AbstractLifeCycle#doStart() | |
| 519 */ | |
| 520 @Override | |
| 521 protected synchronized void doStart() throws Exception | |
| 522 { | |
| 523 if (_logDateFormat != null) | |
| 524 { | |
| 525 _logDateCache = new DateCache(_logDateFormat,_logLocale); | |
| 526 _logDateCache.setTimeZoneID(_logTimeZone); | |
| 527 } | |
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528 |
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529 if (_filename != null) { |
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530 File file = new File(_filename); |
| 854 | 531 if( file.exists() ) { |
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532 File old = new File(_filename+".old"); |
| 854 | 533 if( old.exists() && file.lastModified() - old.lastModified() > retainTime ) |
| 534 old.delete(); | |
| 535 if( !old.exists() ) | |
| 536 file.renameTo(old); | |
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537 } |
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538 _out = new FileOutputStream(file,true); |
| 813 | 539 _closeOut = true; |
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540 LOG.info("Opened " + _filename); |
| 813 | 541 } |
| 542 else | |
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543 _out = System.err; |
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544 |
| 813 | 545 synchronized(this) |
| 546 { | |
| 547 _writer = new OutputStreamWriter(_out); | |
| 548 } | |
| 549 super.doStart(); | |
| 550 } | |
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551 |
| 813 | 552 /* ------------------------------------------------------------ */ |
| 553 /** | |
| 554 * Close the log file and perform cleanup. | |
| 555 * | |
| 556 * @see org.eclipse.jetty.util.component.AbstractLifeCycle#doStop() | |
| 557 */ | |
| 558 @Override | |
| 559 protected void doStop() throws Exception | |
| 560 { | |
| 561 synchronized (this) | |
| 562 { | |
| 563 super.doStop(); | |
| 564 try | |
| 565 { | |
| 566 if (_writer != null) | |
| 567 _writer.flush(); | |
| 568 } | |
| 569 catch (IOException e) | |
| 570 { | |
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571 LOG.trace("",e); |
| 813 | 572 } |
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573 if (_closeOut) |
| 813 | 574 try |
| 575 { | |
| 576 _out.close(); | |
| 577 } | |
| 578 catch (IOException e) | |
| 579 { | |
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580 LOG.trace("",e); |
| 813 | 581 } |
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582 |
| 813 | 583 _out = null; |
| 584 _closeOut = false; | |
| 585 _logDateCache = null; | |
| 586 _writer = null; | |
| 587 } | |
| 588 } | |
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589 } |