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annotate src/org/eclipse/jetty/server/NCSARequestLog.java @ 841:f4d7e9fd3f67
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| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Mon, 19 Sep 2016 14:26:30 -0600 |
| parents | 175577dab6d8 |
| children | 3242aff51053 |
| 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.util.Locale; |
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26 import java.util.TimeZone; |
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27 |
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28 import javax.servlet.http.Cookie; |
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29 |
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30 import org.eclipse.jetty.http.HttpHeaders; |
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31 import org.eclipse.jetty.util.DateCache; |
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32 import org.eclipse.jetty.util.RolloverFileOutputStream; |
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33 import org.eclipse.jetty.util.StringUtil; |
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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); |
| 813 | 55 private static ThreadLocal<StringBuilder> _buffers = new ThreadLocal<StringBuilder>() |
| 56 { | |
| 57 @Override | |
| 58 protected StringBuilder initialValue() | |
| 59 { | |
| 60 return new StringBuilder(256); | |
| 61 } | |
| 62 }; | |
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63 |
| 813 | 64 private String _filename; |
| 65 private boolean _extended; | |
| 66 private boolean _append; | |
| 67 private int _retainDays; | |
| 68 private boolean _closeOut; | |
| 69 private boolean _preferProxiedForAddress; | |
| 70 private String _logDateFormat = "dd/MMM/yyyy:HH:mm:ss Z"; | |
| 71 private String _filenameDateFormat = null; | |
| 72 private Locale _logLocale = Locale.getDefault(); | |
| 73 private String _logTimeZone = "GMT"; | |
| 74 private boolean _logLatency = false; | |
| 75 private boolean _logCookies = false; | |
| 76 private boolean _logServer = false; | |
| 77 private boolean _logDispatch = false; | |
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78 |
| 813 | 79 private transient OutputStream _out; |
| 80 private transient OutputStream _fileOut; | |
| 81 private transient DateCache _logDateCache; | |
| 82 private transient Writer _writer; | |
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83 |
| 813 | 84 /* ------------------------------------------------------------ */ |
| 85 /** | |
| 86 * Create request log object with default settings. | |
| 87 */ | |
| 88 public NCSARequestLog() | |
| 89 { | |
| 90 _extended = true; | |
| 91 _append = true; | |
| 92 _retainDays = 31; | |
| 93 } | |
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94 |
| 813 | 95 /* ------------------------------------------------------------ */ |
| 96 /** | |
| 97 * Create request log object with specified output file name. | |
| 98 * | |
| 99 * @param filename the file name for the request log. | |
| 100 * This may be in the format expected | |
| 101 * by {@link RolloverFileOutputStream} | |
| 102 */ | |
| 103 public NCSARequestLog(String filename) | |
| 104 { | |
| 105 _extended = true; | |
| 106 _append = true; | |
| 107 _retainDays = 31; | |
| 108 setFilename(filename); | |
| 109 } | |
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110 |
| 813 | 111 /* ------------------------------------------------------------ */ |
| 112 /** | |
| 113 * Set the output file name of the request log. | |
| 114 * The file name may be in the format expected by | |
| 115 * {@link RolloverFileOutputStream}. | |
| 116 * | |
| 117 * @param filename file name of the request log | |
| 118 * | |
| 119 */ | |
| 120 public void setFilename(String filename) | |
| 121 { | |
| 122 if (filename != null) | |
| 123 { | |
| 124 filename = filename.trim(); | |
| 125 if (filename.length() == 0) | |
| 126 filename = null; | |
| 127 } | |
| 128 _filename = filename; | |
| 129 } | |
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130 |
| 813 | 131 /* ------------------------------------------------------------ */ |
| 132 /** | |
| 133 * Retrieve the output file name of the request log. | |
| 134 * | |
| 135 * @return file name of the request log | |
| 136 */ | |
| 137 public String getFilename() | |
| 138 { | |
| 139 return _filename; | |
| 140 } | |
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141 |
| 813 | 142 /* ------------------------------------------------------------ */ |
| 143 /** | |
| 144 * Retrieve the file name of the request log with the expanded | |
| 145 * date wildcard if the output is written to the disk using | |
| 146 * {@link RolloverFileOutputStream}. | |
| 147 * | |
| 148 * @return file name of the request log, or null if not applicable | |
| 149 */ | |
| 150 public String getDatedFilename() | |
| 151 { | |
| 152 if (_fileOut instanceof RolloverFileOutputStream) | |
| 153 return ((RolloverFileOutputStream)_fileOut).getDatedFilename(); | |
| 154 return null; | |
| 155 } | |
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156 |
| 813 | 157 /* ------------------------------------------------------------ */ |
| 158 /** | |
| 159 * Set the timestamp format for request log entries in the file. | |
| 160 * If this is not set, the pre-formated request timestamp is used. | |
| 161 * | |
| 162 * @param format timestamp format string | |
| 163 */ | |
| 164 public void setLogDateFormat(String format) | |
| 165 { | |
| 166 _logDateFormat = format; | |
| 167 } | |
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168 |
| 813 | 169 /* ------------------------------------------------------------ */ |
| 170 /** | |
| 171 * Retrieve the timestamp format string for request log entries. | |
| 172 * | |
| 173 * @return timestamp format string. | |
| 174 */ | |
| 175 public String getLogDateFormat() | |
| 176 { | |
| 177 return _logDateFormat; | |
| 178 } | |
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179 |
| 813 | 180 /* ------------------------------------------------------------ */ |
| 181 /** | |
| 182 * Set the locale of the request log. | |
| 183 * | |
| 184 * @param logLocale locale object | |
| 185 */ | |
| 186 public void setLogLocale(Locale logLocale) | |
| 187 { | |
| 188 _logLocale = logLocale; | |
| 189 } | |
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190 |
| 813 | 191 /* ------------------------------------------------------------ */ |
| 192 /** | |
| 193 * Retrieve the locale of the request log. | |
| 194 * | |
| 195 * @return locale object | |
| 196 */ | |
| 197 public Locale getLogLocale() | |
| 198 { | |
| 199 return _logLocale; | |
| 200 } | |
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201 |
| 813 | 202 /* ------------------------------------------------------------ */ |
| 203 /** | |
| 204 * Set the timezone of the request log. | |
| 205 * | |
| 206 * @param tz timezone string | |
| 207 */ | |
| 208 public void setLogTimeZone(String tz) | |
| 209 { | |
| 210 _logTimeZone = tz; | |
| 211 } | |
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212 |
| 813 | 213 /* ------------------------------------------------------------ */ |
| 214 /** | |
| 215 * Retrieve the timezone of the request log. | |
| 216 * | |
| 217 * @return timezone string | |
| 218 */ | |
| 219 public String getLogTimeZone() | |
| 220 { | |
| 221 return _logTimeZone; | |
| 222 } | |
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223 |
| 813 | 224 /* ------------------------------------------------------------ */ |
| 225 /** | |
| 226 * Set the number of days before rotated log files are deleted. | |
| 227 * | |
| 228 * @param retainDays number of days to keep a log file | |
| 229 */ | |
| 230 public void setRetainDays(int retainDays) | |
| 231 { | |
| 232 _retainDays = retainDays; | |
| 233 } | |
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234 |
| 813 | 235 /* ------------------------------------------------------------ */ |
| 236 /** | |
| 237 * Retrieve the number of days before rotated log files are deleted. | |
| 238 * | |
| 239 * @return number of days to keep a log file | |
| 240 */ | |
| 241 public int getRetainDays() | |
| 242 { | |
| 243 return _retainDays; | |
| 244 } | |
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245 |
| 813 | 246 /* ------------------------------------------------------------ */ |
| 247 /** | |
| 248 * Set the extended request log format flag. | |
| 249 * | |
| 250 * @param extended true - log the extended request information, | |
| 251 * false - do not log the extended request information | |
| 252 */ | |
| 253 public void setExtended(boolean extended) | |
| 254 { | |
| 255 _extended = extended; | |
| 256 } | |
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257 |
| 813 | 258 /* ------------------------------------------------------------ */ |
| 259 /** | |
| 260 * Retrieve the extended request log format flag. | |
| 261 * | |
| 262 * @return value of the flag | |
| 263 */ | |
| 264 public boolean isExtended() | |
| 265 { | |
| 266 return _extended; | |
| 267 } | |
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268 |
| 813 | 269 /* ------------------------------------------------------------ */ |
| 270 /** | |
| 271 * Set append to log flag. | |
| 272 * | |
| 273 * @param append true - request log file will be appended after restart, | |
| 274 * false - request log file will be overwritten after restart | |
| 275 */ | |
| 276 public void setAppend(boolean append) | |
| 277 { | |
| 278 _append = append; | |
| 279 } | |
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280 |
| 813 | 281 /* ------------------------------------------------------------ */ |
| 282 /** | |
| 283 * Retrieve append to log flag. | |
| 284 * | |
| 285 * @return value of the flag | |
| 286 */ | |
| 287 public boolean isAppend() | |
| 288 { | |
| 289 return _append; | |
| 290 } | |
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291 |
| 813 | 292 /* ------------------------------------------------------------ */ |
| 293 /** | |
| 294 * Controls logging of the request cookies. | |
| 295 * | |
| 296 * @param logCookies true - values of request cookies will be logged, | |
| 297 * false - values of request cookies will not be logged | |
| 298 */ | |
| 299 public void setLogCookies(boolean logCookies) | |
| 300 { | |
| 301 _logCookies = logCookies; | |
| 302 } | |
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303 |
| 813 | 304 /* ------------------------------------------------------------ */ |
| 305 /** | |
| 306 * Retrieve log cookies flag | |
| 307 * | |
| 308 * @return value of the flag | |
| 309 */ | |
| 310 public boolean getLogCookies() | |
| 311 { | |
| 312 return _logCookies; | |
| 313 } | |
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314 |
| 813 | 315 /* ------------------------------------------------------------ */ |
| 316 /** | |
| 317 * Controls logging of the request hostname. | |
| 318 * | |
| 319 * @param logServer true - request hostname will be logged, | |
| 320 * false - request hostname will not be logged | |
| 321 */ | |
| 322 public void setLogServer(boolean logServer) | |
| 323 { | |
| 324 _logServer = logServer; | |
| 325 } | |
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326 |
| 813 | 327 /* ------------------------------------------------------------ */ |
| 328 /** | |
| 329 * Retrieve log hostname flag. | |
| 330 * | |
| 331 * @return value of the flag | |
| 332 */ | |
| 333 public boolean getLogServer() | |
| 334 { | |
| 335 return _logServer; | |
| 336 } | |
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337 |
| 813 | 338 /* ------------------------------------------------------------ */ |
| 339 /** | |
| 340 * Controls logging of request processing time. | |
| 341 * | |
| 342 * @param logLatency true - request processing time will be logged | |
| 343 * false - request processing time will not be logged | |
| 344 */ | |
| 345 public void setLogLatency(boolean logLatency) | |
| 346 { | |
| 347 _logLatency = logLatency; | |
| 348 } | |
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349 |
| 813 | 350 /* ------------------------------------------------------------ */ |
| 351 /** | |
| 352 * Retrieve log request processing time flag. | |
| 353 * | |
| 354 * @return value of the flag | |
| 355 */ | |
| 356 public boolean getLogLatency() | |
| 357 { | |
| 358 return _logLatency; | |
| 359 } | |
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360 |
| 813 | 361 /* ------------------------------------------------------------ */ |
| 362 /** | |
| 363 * Controls whether the actual IP address of the connection or | |
| 364 * the IP address from the X-Forwarded-For header will be logged. | |
| 365 * | |
| 366 * @param preferProxiedForAddress true - IP address from header will be logged, | |
| 367 * false - IP address from the connection will be logged | |
| 368 */ | |
| 369 public void setPreferProxiedForAddress(boolean preferProxiedForAddress) | |
| 370 { | |
| 371 _preferProxiedForAddress = preferProxiedForAddress; | |
| 372 } | |
| 373 | |
| 374 /* ------------------------------------------------------------ */ | |
| 375 /** | |
| 376 * Retrieved log X-Forwarded-For IP address flag. | |
| 377 * | |
| 378 * @return value of the flag | |
| 379 */ | |
| 380 public boolean getPreferProxiedForAddress() | |
| 381 { | |
| 382 return _preferProxiedForAddress; | |
| 383 } | |
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384 |
| 813 | 385 /* ------------------------------------------------------------ */ |
| 386 /** | |
| 387 * Set the log file name date format. | |
| 388 * @see RolloverFileOutputStream#RolloverFileOutputStream(String, boolean, int, TimeZone, String, String) | |
| 389 * | |
| 390 * @param logFileDateFormat format string that is passed to {@link RolloverFileOutputStream} | |
| 391 */ | |
| 392 public void setFilenameDateFormat(String logFileDateFormat) | |
| 393 { | |
| 394 _filenameDateFormat = logFileDateFormat; | |
| 395 } | |
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396 |
| 813 | 397 /* ------------------------------------------------------------ */ |
| 398 /** | |
| 399 * Retrieve the file name date format string. | |
| 400 * | |
| 401 * @return the log File Date Format | |
| 402 */ | |
| 403 public String getFilenameDateFormat() | |
| 404 { | |
| 405 return _filenameDateFormat; | |
| 406 } | |
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407 |
| 813 | 408 /* ------------------------------------------------------------ */ |
| 409 /** | |
| 410 * Controls logging of the request dispatch time | |
| 411 * | |
| 412 * @param value true - request dispatch time will be logged | |
| 413 * false - request dispatch time will not be logged | |
| 414 */ | |
| 415 public void setLogDispatch(boolean value) | |
| 416 { | |
| 417 _logDispatch = value; | |
| 418 } | |
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419 |
| 813 | 420 /* ------------------------------------------------------------ */ |
| 421 /** | |
| 422 * Retrieve request dispatch time logging flag | |
| 423 * | |
| 424 * @return value of the flag | |
| 425 */ | |
| 426 public boolean isLogDispatch() | |
| 427 { | |
| 428 return _logDispatch; | |
| 429 } | |
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430 |
| 813 | 431 /* ------------------------------------------------------------ */ |
| 432 /** | |
| 433 * Writes the request and response information to the output stream. | |
| 434 * | |
| 435 * @see org.eclipse.jetty.server.RequestLog#log(org.eclipse.jetty.server.Request, org.eclipse.jetty.server.Response) | |
| 436 */ | |
| 437 public void log(Request request, Response response) | |
| 438 { | |
| 439 try | |
| 440 { | |
| 441 if (_fileOut == null) | |
| 442 return; | |
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443 |
| 813 | 444 StringBuilder buf= _buffers.get(); |
| 445 buf.setLength(0); | |
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446 |
| 813 | 447 if (_logServer) |
| 448 { | |
| 449 buf.append(request.getServerName()); | |
| 450 buf.append(' '); | |
| 451 } | |
| 452 | |
| 453 String addr = null; | |
| 454 if (_preferProxiedForAddress) | |
| 455 { | |
| 456 addr = request.getHeader(HttpHeaders.X_FORWARDED_FOR); | |
| 457 } | |
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458 |
| 813 | 459 if (addr == null) |
| 460 addr = request.getRemoteAddr(); | |
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461 |
| 813 | 462 buf.append(addr); |
| 463 buf.append(" - "); | |
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464 |
| 813 | 465 buf.append(" ["); |
| 466 if (_logDateCache != null) | |
| 467 buf.append(_logDateCache.format(request.getTimeStamp())); | |
| 468 else | |
| 469 buf.append(request.getTimeStampBuffer().toString()); | |
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470 |
| 813 | 471 buf.append("] \""); |
| 472 buf.append(request.getMethod()); | |
| 473 buf.append(' '); | |
| 474 buf.append(request.getUri().toString()); | |
| 475 buf.append(' '); | |
| 476 buf.append(request.getProtocol()); | |
| 477 buf.append("\" "); | |
| 478 if (request.getAsyncContinuation().isInitial()) | |
| 479 { | |
| 480 int status = response.getStatus(); | |
| 481 if (status <= 0) | |
| 482 status = 404; | |
| 483 buf.append((char)('0' + ((status / 100) % 10))); | |
| 484 buf.append((char)('0' + ((status / 10) % 10))); | |
| 485 buf.append((char)('0' + (status % 10))); | |
| 486 } | |
| 487 else | |
| 488 buf.append("Async"); | |
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489 |
| 813 | 490 long responseLength = response.getContentCount(); |
| 491 if (responseLength >= 0) | |
| 492 { | |
| 493 buf.append(' '); | |
| 494 if (responseLength > 99999) | |
| 495 buf.append(responseLength); | |
| 496 else | |
| 497 { | |
| 498 if (responseLength > 9999) | |
| 499 buf.append((char)('0' + ((responseLength / 10000) % 10))); | |
| 500 if (responseLength > 999) | |
| 501 buf.append((char)('0' + ((responseLength / 1000) % 10))); | |
| 502 if (responseLength > 99) | |
| 503 buf.append((char)('0' + ((responseLength / 100) % 10))); | |
| 504 if (responseLength > 9) | |
| 505 buf.append((char)('0' + ((responseLength / 10) % 10))); | |
| 506 buf.append((char)('0' + (responseLength) % 10)); | |
| 507 } | |
| 508 buf.append(' '); | |
| 509 } | |
| 510 else | |
| 511 buf.append(" - "); | |
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512 |
| 813 | 513 |
| 514 if (_extended) | |
| 515 logExtended(request, response, buf); | |
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516 |
| 813 | 517 if (_logCookies) |
| 518 { | |
| 519 Cookie[] cookies = request.getCookies(); | |
| 520 if (cookies == null || cookies.length == 0) | |
| 521 buf.append(" -"); | |
| 522 else | |
| 523 { | |
| 524 buf.append(" \""); | |
| 525 for (int i = 0; i < cookies.length; i++) | |
| 526 { | |
| 527 if (i != 0) | |
| 528 buf.append(';'); | |
| 529 buf.append(cookies[i].getName()); | |
| 530 buf.append('='); | |
| 531 buf.append(cookies[i].getValue()); | |
| 532 } | |
| 533 buf.append('\"'); | |
| 534 } | |
| 535 } | |
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536 |
| 813 | 537 if (_logDispatch || _logLatency) |
| 538 { | |
| 539 long now = System.currentTimeMillis(); | |
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540 |
| 813 | 541 if (_logDispatch) |
| 542 { | |
| 543 long d = request.getDispatchTime(); | |
| 544 buf.append(' '); | |
| 545 buf.append(now - (d==0 ? request.getTimeStamp():d)); | |
| 546 } | |
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547 |
| 813 | 548 if (_logLatency) |
| 549 { | |
| 550 buf.append(' '); | |
| 551 buf.append(now - request.getTimeStamp()); | |
| 552 } | |
| 553 } | |
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554 |
| 813 | 555 buf.append(StringUtil.__LINE_SEPARATOR); |
| 556 | |
| 557 String log = buf.toString(); | |
| 558 write(log); | |
| 559 } | |
| 560 catch (IOException e) | |
| 561 { | |
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562 LOG.warn("",e); |
| 813 | 563 } |
| 564 } | |
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565 |
| 813 | 566 /* ------------------------------------------------------------ */ |
| 567 protected void write(String log) throws IOException | |
| 568 { | |
| 569 synchronized(this) | |
| 570 { | |
| 571 if (_writer==null) | |
| 572 return; | |
| 573 _writer.write(log); | |
| 574 _writer.flush(); | |
| 575 } | |
| 576 } | |
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577 |
| 813 | 578 |
| 579 /* ------------------------------------------------------------ */ | |
| 580 /** | |
| 581 * Writes extended request and response information to the output stream. | |
| 582 * | |
| 583 * @param request request object | |
| 584 * @param response response object | |
| 585 * @param b StringBuilder to write to | |
| 586 * @throws IOException | |
| 587 */ | |
| 588 protected void logExtended(Request request, | |
| 589 Response response, | |
| 590 StringBuilder b) throws IOException | |
| 591 { | |
| 592 String referer = request.getHeader(HttpHeaders.REFERER); | |
| 593 if (referer == null) | |
| 594 b.append("\"-\" "); | |
| 595 else | |
| 596 { | |
| 597 b.append('"'); | |
| 598 b.append(referer); | |
| 599 b.append("\" "); | |
| 600 } | |
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601 |
| 813 | 602 String agent = request.getHeader(HttpHeaders.USER_AGENT); |
| 603 if (agent == null) | |
| 604 b.append("\"-\" "); | |
| 605 else | |
| 606 { | |
| 607 b.append('"'); | |
| 608 b.append(agent); | |
| 609 b.append('"'); | |
| 610 } | |
| 611 } | |
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612 |
| 813 | 613 /* ------------------------------------------------------------ */ |
| 614 /** | |
| 615 * Set up request logging and open log file. | |
| 616 * | |
| 617 * @see org.eclipse.jetty.util.component.AbstractLifeCycle#doStart() | |
| 618 */ | |
| 619 @Override | |
| 620 protected synchronized void doStart() throws Exception | |
| 621 { | |
| 622 if (_logDateFormat != null) | |
| 623 { | |
| 624 _logDateCache = new DateCache(_logDateFormat,_logLocale); | |
| 625 _logDateCache.setTimeZoneID(_logTimeZone); | |
| 626 } | |
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627 |
| 813 | 628 if (_filename != null) |
| 629 { | |
| 630 _fileOut = new RolloverFileOutputStream(_filename,_append,_retainDays,TimeZone.getTimeZone(_logTimeZone),_filenameDateFormat,null); | |
| 631 _closeOut = true; | |
| 632 LOG.info("Opened " + getDatedFilename()); | |
| 633 } | |
| 634 else | |
| 635 _fileOut = System.err; | |
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636 |
| 813 | 637 _out = _fileOut; |
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|
638 |
| 813 | 639 synchronized(this) |
| 640 { | |
| 641 _writer = new OutputStreamWriter(_out); | |
| 642 } | |
| 643 super.doStart(); | |
| 644 } | |
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645 |
| 813 | 646 /* ------------------------------------------------------------ */ |
| 647 /** | |
| 648 * Close the log file and perform cleanup. | |
| 649 * | |
| 650 * @see org.eclipse.jetty.util.component.AbstractLifeCycle#doStop() | |
| 651 */ | |
| 652 @Override | |
| 653 protected void doStop() throws Exception | |
| 654 { | |
| 655 synchronized (this) | |
| 656 { | |
| 657 super.doStop(); | |
| 658 try | |
| 659 { | |
| 660 if (_writer != null) | |
| 661 _writer.flush(); | |
| 662 } | |
| 663 catch (IOException e) | |
| 664 { | |
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665 LOG.trace("",e); |
| 813 | 666 } |
| 667 if (_out != null && _closeOut) | |
| 668 try | |
| 669 { | |
| 670 _out.close(); | |
| 671 } | |
| 672 catch (IOException e) | |
| 673 { | |
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815
diff
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|
674 LOG.trace("",e); |
| 813 | 675 } |
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|
676 |
| 813 | 677 _out = null; |
| 678 _fileOut = null; | |
| 679 _closeOut = false; | |
| 680 _logDateCache = null; | |
| 681 _writer = null; | |
| 682 } | |
| 683 } | |
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|
684 } |