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annotate src/org/eclipse/jetty/server/NCSARequestLog.java @ 853:3242aff51053
remove RolloverFileOutputStream and cleanup NCSARequestLog
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Tue, 20 Sep 2016 00:23:56 -0600 |
| parents | 175577dab6d8 |
| children | 359012f4e797 |
| 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 private static final String __LINE_SEPARATOR= |
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56 System.getProperty("line.separator","\n"); |
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57 |
| 813 | 58 private String _filename; |
| 59 private boolean _extended; | |
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60 public long sizeLimit = 1048576L; |
| 813 | 61 private boolean _closeOut; |
| 62 private boolean _preferProxiedForAddress; | |
| 63 private String _logDateFormat = "dd/MMM/yyyy:HH:mm:ss Z"; | |
| 64 private Locale _logLocale = Locale.getDefault(); | |
| 65 private String _logTimeZone = "GMT"; | |
| 66 private boolean _logLatency = false; | |
| 67 private boolean _logCookies = false; | |
| 68 private boolean _logServer = false; | |
| 69 private boolean _logDispatch = false; | |
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70 |
| 813 | 71 private transient OutputStream _out; |
| 72 private transient DateCache _logDateCache; | |
| 73 private transient Writer _writer; | |
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74 |
| 813 | 75 /* ------------------------------------------------------------ */ |
| 76 /** | |
| 77 * Create request log object with default settings. | |
| 78 */ | |
| 79 public NCSARequestLog() | |
| 80 { | |
| 81 _extended = true; | |
| 82 } | |
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83 |
| 813 | 84 /* ------------------------------------------------------------ */ |
| 85 /** | |
| 86 * Create request log object with specified output file name. | |
| 87 * | |
| 88 * @param filename the file name for the request log. | |
| 89 * This may be in the format expected | |
| 90 * by {@link RolloverFileOutputStream} | |
| 91 */ | |
| 92 public NCSARequestLog(String filename) | |
| 93 { | |
| 94 _extended = true; | |
| 95 setFilename(filename); | |
| 96 } | |
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97 |
| 813 | 98 /* ------------------------------------------------------------ */ |
| 99 /** | |
| 100 * Set the output file name of the request log. | |
| 101 * The file name may be in the format expected by | |
| 102 * {@link RolloverFileOutputStream}. | |
| 103 * | |
| 104 * @param filename file name of the request log | |
| 105 * | |
| 106 */ | |
| 107 public void setFilename(String filename) | |
| 108 { | |
| 109 if (filename != null) | |
| 110 { | |
| 111 filename = filename.trim(); | |
| 112 if (filename.length() == 0) | |
| 113 filename = null; | |
| 114 } | |
| 115 _filename = filename; | |
| 116 } | |
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117 |
| 813 | 118 /* ------------------------------------------------------------ */ |
| 119 /** | |
| 120 * Retrieve the output file name of the request log. | |
| 121 * | |
| 122 * @return file name of the request log | |
| 123 */ | |
| 124 public String getFilename() | |
| 125 { | |
| 126 return _filename; | |
| 127 } | |
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128 |
| 813 | 129 /* ------------------------------------------------------------ */ |
| 130 /** | |
| 131 * Set the timestamp format for request log entries in the file. | |
| 132 * If this is not set, the pre-formated request timestamp is used. | |
| 133 * | |
| 134 * @param format timestamp format string | |
| 135 */ | |
| 136 public void setLogDateFormat(String format) | |
| 137 { | |
| 138 _logDateFormat = format; | |
| 139 } | |
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140 |
| 813 | 141 /* ------------------------------------------------------------ */ |
| 142 /** | |
| 143 * Retrieve the timestamp format string for request log entries. | |
| 144 * | |
| 145 * @return timestamp format string. | |
| 146 */ | |
| 147 public String getLogDateFormat() | |
| 148 { | |
| 149 return _logDateFormat; | |
| 150 } | |
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151 |
| 813 | 152 /* ------------------------------------------------------------ */ |
| 153 /** | |
| 154 * Set the locale of the request log. | |
| 155 * | |
| 156 * @param logLocale locale object | |
| 157 */ | |
| 158 public void setLogLocale(Locale logLocale) | |
| 159 { | |
| 160 _logLocale = logLocale; | |
| 161 } | |
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162 |
| 813 | 163 /* ------------------------------------------------------------ */ |
| 164 /** | |
| 165 * Retrieve the locale of the request log. | |
| 166 * | |
| 167 * @return locale object | |
| 168 */ | |
| 169 public Locale getLogLocale() | |
| 170 { | |
| 171 return _logLocale; | |
| 172 } | |
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173 |
| 813 | 174 /* ------------------------------------------------------------ */ |
| 175 /** | |
| 176 * Set the timezone of the request log. | |
| 177 * | |
| 178 * @param tz timezone string | |
| 179 */ | |
| 180 public void setLogTimeZone(String tz) | |
| 181 { | |
| 182 _logTimeZone = tz; | |
| 183 } | |
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184 |
| 813 | 185 /* ------------------------------------------------------------ */ |
| 186 /** | |
| 187 * Retrieve the timezone of the request log. | |
| 188 * | |
| 189 * @return timezone string | |
| 190 */ | |
| 191 public String getLogTimeZone() | |
| 192 { | |
| 193 return _logTimeZone; | |
| 194 } | |
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195 |
| 813 | 196 /* ------------------------------------------------------------ */ |
| 197 /** | |
| 198 * Set the extended request log format flag. | |
| 199 * | |
| 200 * @param extended true - log the extended request information, | |
| 201 * false - do not log the extended request information | |
| 202 */ | |
| 203 public void setExtended(boolean extended) | |
| 204 { | |
| 205 _extended = extended; | |
| 206 } | |
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207 |
| 813 | 208 /* ------------------------------------------------------------ */ |
| 209 /** | |
| 210 * Retrieve the extended request log format flag. | |
| 211 * | |
| 212 * @return value of the flag | |
| 213 */ | |
| 214 public boolean isExtended() | |
| 215 { | |
| 216 return _extended; | |
| 217 } | |
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218 |
| 813 | 219 /* ------------------------------------------------------------ */ |
| 220 /** | |
| 221 * Controls logging of the request cookies. | |
| 222 * | |
| 223 * @param logCookies true - values of request cookies will be logged, | |
| 224 * false - values of request cookies will not be logged | |
| 225 */ | |
| 226 public void setLogCookies(boolean logCookies) | |
| 227 { | |
| 228 _logCookies = logCookies; | |
| 229 } | |
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230 |
| 813 | 231 /* ------------------------------------------------------------ */ |
| 232 /** | |
| 233 * Retrieve log cookies flag | |
| 234 * | |
| 235 * @return value of the flag | |
| 236 */ | |
| 237 public boolean getLogCookies() | |
| 238 { | |
| 239 return _logCookies; | |
| 240 } | |
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241 |
| 813 | 242 /* ------------------------------------------------------------ */ |
| 243 /** | |
| 244 * Controls logging of the request hostname. | |
| 245 * | |
| 246 * @param logServer true - request hostname will be logged, | |
| 247 * false - request hostname will not be logged | |
| 248 */ | |
| 249 public void setLogServer(boolean logServer) | |
| 250 { | |
| 251 _logServer = logServer; | |
| 252 } | |
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253 |
| 813 | 254 /* ------------------------------------------------------------ */ |
| 255 /** | |
| 256 * Retrieve log hostname flag. | |
| 257 * | |
| 258 * @return value of the flag | |
| 259 */ | |
| 260 public boolean getLogServer() | |
| 261 { | |
| 262 return _logServer; | |
| 263 } | |
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264 |
| 813 | 265 /* ------------------------------------------------------------ */ |
| 266 /** | |
| 267 * Controls logging of request processing time. | |
| 268 * | |
| 269 * @param logLatency true - request processing time will be logged | |
| 270 * false - request processing time will not be logged | |
| 271 */ | |
| 272 public void setLogLatency(boolean logLatency) | |
| 273 { | |
| 274 _logLatency = logLatency; | |
| 275 } | |
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276 |
| 813 | 277 /* ------------------------------------------------------------ */ |
| 278 /** | |
| 279 * Retrieve log request processing time flag. | |
| 280 * | |
| 281 * @return value of the flag | |
| 282 */ | |
| 283 public boolean getLogLatency() | |
| 284 { | |
| 285 return _logLatency; | |
| 286 } | |
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287 |
| 813 | 288 /* ------------------------------------------------------------ */ |
| 289 /** | |
| 290 * Controls whether the actual IP address of the connection or | |
| 291 * the IP address from the X-Forwarded-For header will be logged. | |
| 292 * | |
| 293 * @param preferProxiedForAddress true - IP address from header will be logged, | |
| 294 * false - IP address from the connection will be logged | |
| 295 */ | |
| 296 public void setPreferProxiedForAddress(boolean preferProxiedForAddress) | |
| 297 { | |
| 298 _preferProxiedForAddress = preferProxiedForAddress; | |
| 299 } | |
| 300 | |
| 301 /* ------------------------------------------------------------ */ | |
| 302 /** | |
| 303 * Retrieved log X-Forwarded-For IP address flag. | |
| 304 * | |
| 305 * @return value of the flag | |
| 306 */ | |
| 307 public boolean getPreferProxiedForAddress() | |
| 308 { | |
| 309 return _preferProxiedForAddress; | |
| 310 } | |
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311 |
| 813 | 312 /* ------------------------------------------------------------ */ |
| 313 /** | |
| 314 * Controls logging of the request dispatch time | |
| 315 * | |
| 316 * @param value true - request dispatch time will be logged | |
| 317 * false - request dispatch time will not be logged | |
| 318 */ | |
| 319 public void setLogDispatch(boolean value) | |
| 320 { | |
| 321 _logDispatch = value; | |
| 322 } | |
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323 |
| 813 | 324 /* ------------------------------------------------------------ */ |
| 325 /** | |
| 326 * Retrieve request dispatch time logging flag | |
| 327 * | |
| 328 * @return value of the flag | |
| 329 */ | |
| 330 public boolean isLogDispatch() | |
| 331 { | |
| 332 return _logDispatch; | |
| 333 } | |
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334 |
| 813 | 335 /* ------------------------------------------------------------ */ |
| 336 /** | |
| 337 * Writes the request and response information to the output stream. | |
| 338 * | |
| 339 * @see org.eclipse.jetty.server.RequestLog#log(org.eclipse.jetty.server.Request, org.eclipse.jetty.server.Response) | |
| 340 */ | |
| 341 public void log(Request request, Response response) | |
| 342 { | |
| 343 try | |
| 344 { | |
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345 if (_out == null) |
| 813 | 346 return; |
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347 |
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348 StringBuilder buf = new StringBuilder(256); |
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349 |
| 813 | 350 if (_logServer) |
| 351 { | |
| 352 buf.append(request.getServerName()); | |
| 353 buf.append(' '); | |
| 354 } | |
| 355 | |
| 356 String addr = null; | |
| 357 if (_preferProxiedForAddress) | |
| 358 { | |
| 359 addr = request.getHeader(HttpHeaders.X_FORWARDED_FOR); | |
| 360 } | |
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361 |
| 813 | 362 if (addr == null) |
| 363 addr = request.getRemoteAddr(); | |
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364 |
| 813 | 365 buf.append(addr); |
| 366 buf.append(" - "); | |
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367 |
| 813 | 368 buf.append(" ["); |
| 369 if (_logDateCache != null) | |
| 370 buf.append(_logDateCache.format(request.getTimeStamp())); | |
| 371 else | |
| 372 buf.append(request.getTimeStampBuffer().toString()); | |
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373 |
| 813 | 374 buf.append("] \""); |
| 375 buf.append(request.getMethod()); | |
| 376 buf.append(' '); | |
| 377 buf.append(request.getUri().toString()); | |
| 378 buf.append(' '); | |
| 379 buf.append(request.getProtocol()); | |
| 380 buf.append("\" "); | |
| 381 if (request.getAsyncContinuation().isInitial()) | |
| 382 { | |
| 383 int status = response.getStatus(); | |
| 384 if (status <= 0) | |
| 385 status = 404; | |
| 386 buf.append((char)('0' + ((status / 100) % 10))); | |
| 387 buf.append((char)('0' + ((status / 10) % 10))); | |
| 388 buf.append((char)('0' + (status % 10))); | |
| 389 } | |
| 390 else | |
| 391 buf.append("Async"); | |
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392 |
| 813 | 393 long responseLength = response.getContentCount(); |
| 394 if (responseLength >= 0) | |
| 395 { | |
| 396 buf.append(' '); | |
| 397 if (responseLength > 99999) | |
| 398 buf.append(responseLength); | |
| 399 else | |
| 400 { | |
| 401 if (responseLength > 9999) | |
| 402 buf.append((char)('0' + ((responseLength / 10000) % 10))); | |
| 403 if (responseLength > 999) | |
| 404 buf.append((char)('0' + ((responseLength / 1000) % 10))); | |
| 405 if (responseLength > 99) | |
| 406 buf.append((char)('0' + ((responseLength / 100) % 10))); | |
| 407 if (responseLength > 9) | |
| 408 buf.append((char)('0' + ((responseLength / 10) % 10))); | |
| 409 buf.append((char)('0' + (responseLength) % 10)); | |
| 410 } | |
| 411 buf.append(' '); | |
| 412 } | |
| 413 else | |
| 414 buf.append(" - "); | |
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415 |
| 813 | 416 |
| 417 if (_extended) | |
| 418 logExtended(request, response, buf); | |
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419 |
| 813 | 420 if (_logCookies) |
| 421 { | |
| 422 Cookie[] cookies = request.getCookies(); | |
| 423 if (cookies == null || cookies.length == 0) | |
| 424 buf.append(" -"); | |
| 425 else | |
| 426 { | |
| 427 buf.append(" \""); | |
| 428 for (int i = 0; i < cookies.length; i++) | |
| 429 { | |
| 430 if (i != 0) | |
| 431 buf.append(';'); | |
| 432 buf.append(cookies[i].getName()); | |
| 433 buf.append('='); | |
| 434 buf.append(cookies[i].getValue()); | |
| 435 } | |
| 436 buf.append('\"'); | |
| 437 } | |
| 438 } | |
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439 |
| 813 | 440 if (_logDispatch || _logLatency) |
| 441 { | |
| 442 long now = System.currentTimeMillis(); | |
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443 |
| 813 | 444 if (_logDispatch) |
| 445 { | |
| 446 long d = request.getDispatchTime(); | |
| 447 buf.append(' '); | |
| 448 buf.append(now - (d==0 ? request.getTimeStamp():d)); | |
| 449 } | |
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450 |
| 813 | 451 if (_logLatency) |
| 452 { | |
| 453 buf.append(' '); | |
| 454 buf.append(now - request.getTimeStamp()); | |
| 455 } | |
| 456 } | |
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457 |
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458 buf.append(__LINE_SEPARATOR); |
| 813 | 459 |
| 460 String log = buf.toString(); | |
| 461 write(log); | |
| 462 } | |
| 463 catch (IOException e) | |
| 464 { | |
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465 LOG.warn("",e); |
| 813 | 466 } |
| 467 } | |
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468 |
| 813 | 469 /* ------------------------------------------------------------ */ |
| 470 protected void write(String log) throws IOException | |
| 471 { | |
| 472 synchronized(this) | |
| 473 { | |
| 474 if (_writer==null) | |
| 475 return; | |
| 476 _writer.write(log); | |
| 477 _writer.flush(); | |
| 478 } | |
| 479 } | |
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480 |
| 813 | 481 |
| 482 /* ------------------------------------------------------------ */ | |
| 483 /** | |
| 484 * Writes extended request and response information to the output stream. | |
| 485 * | |
| 486 * @param request request object | |
| 487 * @param response response object | |
| 488 * @param b StringBuilder to write to | |
| 489 * @throws IOException | |
| 490 */ | |
| 491 protected void logExtended(Request request, | |
| 492 Response response, | |
| 493 StringBuilder b) throws IOException | |
| 494 { | |
| 495 String referer = request.getHeader(HttpHeaders.REFERER); | |
| 496 if (referer == null) | |
| 497 b.append("\"-\" "); | |
| 498 else | |
| 499 { | |
| 500 b.append('"'); | |
| 501 b.append(referer); | |
| 502 b.append("\" "); | |
| 503 } | |
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504 |
| 813 | 505 String agent = request.getHeader(HttpHeaders.USER_AGENT); |
| 506 if (agent == null) | |
| 507 b.append("\"-\" "); | |
| 508 else | |
| 509 { | |
| 510 b.append('"'); | |
| 511 b.append(agent); | |
| 512 b.append('"'); | |
| 513 } | |
| 514 } | |
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515 |
| 813 | 516 /* ------------------------------------------------------------ */ |
| 517 /** | |
| 518 * Set up request logging and open log file. | |
| 519 * | |
| 520 * @see org.eclipse.jetty.util.component.AbstractLifeCycle#doStart() | |
| 521 */ | |
| 522 @Override | |
| 523 protected synchronized void doStart() throws Exception | |
| 524 { | |
| 525 if (_logDateFormat != null) | |
| 526 { | |
| 527 _logDateCache = new DateCache(_logDateFormat,_logLocale); | |
| 528 _logDateCache.setTimeZoneID(_logTimeZone); | |
| 529 } | |
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530 |
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531 if (_filename != null) { |
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532 File file = new File(_filename); |
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533 if( file.exists() && file.length() > sizeLimit ) { |
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534 File old = new File(_filename+".old"); |
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535 old.delete(); |
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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 } |