Author: violetagg Date: Mon Jun 19 09:04:14 2017 New Revision: 1799162 URL: http://svn.apache.org/viewvc?rev=1799162&view=rev Log: Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=61105 Add a new JULI FileHandler configuration for specifying the maximum number of days to keep the log files.
Added: tomcat/tc8.5.x/trunk/test/org/apache/juli/TestFileHandler.java - copied, changed from r1798977, tomcat/trunk/test/org/apache/juli/TestFileHandler.java Modified: tomcat/tc8.5.x/trunk/ (props changed) tomcat/tc8.5.x/trunk/java/org/apache/juli/AsyncFileHandler.java tomcat/tc8.5.x/trunk/java/org/apache/juli/FileHandler.java tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml tomcat/tc8.5.x/trunk/webapps/docs/logging.xml Propchange: tomcat/tc8.5.x/trunk/ ------------------------------------------------------------------------------ --- svn:mergeinfo (original) +++ svn:mergeinfo Mon Jun 19 09:04:14 2017 @@ -1 +1 @@ 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53,1788764,1788771,1788834,1788841,1788852,1788860,1788883,1788890,1789051,1789400,1789415,1789442-1789443,1789447,1789453,1789456,1789458,1789461-1789463,1789465-1789467,1789470,1789472,1789474,1789476,1789479-1789480,1789733,1789735,1789744-1789745,1789937,1789984,1790119,1790180,1790183,1790376,1790614,1790983,1790991,1791050,1791090,1791095-1791096,1791099,1791101-1791103,1791124,1791129,1791134,1791137,1791298,1791527,1791557,1791970,1792033,1792038,1792055,1792093,1792140,1792460,1792468,1792791,1792957,1793095,1793121,1793123,1793127,1793136,1793139,1793147-1793148,1793266,1793437,1793449,1793460,1793468,1793487,1793498,1793502,1793514,1793682-1793683,1793711-1793712,1793719,1793736,1793746,1793771,1793776,1793798,1793802,1793812,1793819,1793844,1793854,1793887,1793891,1793901-1793902,1793907,1793910,1793980,1794674,1794941-1794942,1795278,1795289,1795298,1795305,1795813,1795893,1796090,1796275,1796693-1796695,1796729,1796806,1796836,1796873,1796878,1797197,1797338,1797344,17 97354-1797355,1797516,1797528,1797532,1797536,1797540,1797543,1797677-1797678,1797692,1797694,1797748,1797828,1798126,1798238,1798280,1798371,1798379,1798384,1798390,1798395,1798419,1798507,1798533,1798546,1798977,1799115,1799126 Modified: tomcat/tc8.5.x/trunk/java/org/apache/juli/AsyncFileHandler.java URL: http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/java/org/apache/juli/AsyncFileHandler.java?rev=1799162&r1=1799161&r2=1799162&view=diff ============================================================================== --- tomcat/tc8.5.x/trunk/java/org/apache/juli/AsyncFileHandler.java (original) +++ tomcat/tc8.5.x/trunk/java/org/apache/juli/AsyncFileHandler.java Mon Jun 19 09:04:14 2017 @@ -71,11 +71,15 @@ public class AsyncFileHandler extends Fi protected volatile boolean closed = false; public AsyncFileHandler() { - this(null, null, null); + this(null, null, null, DEFAULT_MAX_DAYS); } public AsyncFileHandler(String directory, String prefix, String suffix) { - super(directory, prefix, suffix); + this(directory, prefix, suffix, DEFAULT_MAX_DAYS); + } + + public AsyncFileHandler(String directory, String prefix, String suffix, int maxDays) { + super(directory, prefix, suffix, maxDays); open(); } Modified: tomcat/tc8.5.x/trunk/java/org/apache/juli/FileHandler.java URL: http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/java/org/apache/juli/FileHandler.java?rev=1799162&r1=1799161&r2=1799162&view=diff ============================================================================== --- tomcat/tc8.5.x/trunk/java/org/apache/juli/FileHandler.java (original) +++ tomcat/tc8.5.x/trunk/java/org/apache/juli/FileHandler.java Mon Jun 19 09:04:14 2017 @@ -26,7 +26,16 @@ import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.UnsupportedEncodingException; +import java.nio.file.DirectoryStream; +import java.nio.file.Files; +import java.nio.file.Path; import java.sql.Timestamp; +import java.text.ParseException; +import java.text.SimpleDateFormat; +import java.util.Calendar; +import java.util.Date; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; import java.util.concurrent.locks.ReadWriteLock; import java.util.concurrent.locks.ReentrantReadWriteLock; import java.util.logging.ErrorManager; @@ -36,6 +45,7 @@ import java.util.logging.Handler; import java.util.logging.Level; import java.util.logging.LogManager; import java.util.logging.LogRecord; +import java.util.regex.Pattern; /** * Implementation of <b>Handler</b> that appends log messages to a file @@ -74,25 +84,37 @@ import java.util.logging.LogRecord; * <li><code>formatter</code> - The <code>java.util.logging.Formatter</code> * implementation class name for this Handler. Default value: * <code>java.util.logging.SimpleFormatter</code></li> + * <li><code>maxDays</code> - The maximum number of days to keep the log files. + * If the specified value is <code><=0</code> then the log files will be kept + * on the file system forever, otherwise they will be kept the specified maximum + * days. Default value: <code>-1</code>.</li> * </ul> */ public class FileHandler extends Handler { + public static final int DEFAULT_MAX_DAYS = -1; + private static final ExecutorService DELETE_FILES_SERVICE = Executors.newSingleThreadExecutor(); // ------------------------------------------------------------ Constructor public FileHandler() { - this(null, null, null); + this(null, null, null, DEFAULT_MAX_DAYS); } public FileHandler(String directory, String prefix, String suffix) { + this(directory, prefix, suffix, DEFAULT_MAX_DAYS); + } + + public FileHandler(String directory, String prefix, String suffix, int maxDays) { this.directory = directory; this.prefix = prefix; this.suffix = suffix; + this.maxDays = maxDays; configure(); openWriter(); + clean(); } @@ -125,12 +147,18 @@ public class FileHandler extends Handler /** - * Determines whether the logfile is rotatable + * Determines whether the log file is rotatable */ private boolean rotatable = true; /** + * Maximum number of days to keep the log files + */ + private int maxDays = DEFAULT_MAX_DAYS; + + + /** * The PrintWriter to which we are currently logging, if any. */ private volatile PrintWriter writer = null; @@ -148,6 +176,13 @@ public class FileHandler extends Handler private int bufferSize = -1; + /** + * Represents a file name pattern of type {prefix}{date}{suffix}. The date + * is YYYY-MM-DD + */ + private Pattern pattern; + + // --------------------------------------------------------- Public Methods @@ -180,6 +215,7 @@ public class FileHandler extends Handler closeWriter(); date = tsDate; openWriter(); + clean(); } } finally { // Downgrade to read-lock. This ensures the writer remains valid @@ -293,6 +329,16 @@ public class FileHandler extends Handler if (suffix == null) { suffix = getProperty(className + ".suffix", ".log"); } + pattern = Pattern.compile("^(" + Pattern.quote(prefix) + ")\\d{4}-\\d{1,2}-\\d{1,2}(" + + Pattern.quote(suffix) + ")$"); + String sMaxDays = getProperty(className + ".maxDays", String.valueOf(DEFAULT_MAX_DAYS)); + if (maxDays <= 0) { + try { + maxDays = Integer.parseInt(sMaxDays); + } catch (NumberFormatException ignore) { + // no-op + } + } String sBufferSize = getProperty(className + ".bufferSize", String.valueOf(bufferSize)); try { bufferSize = Integer.parseInt(sBufferSize); @@ -410,4 +456,67 @@ public class FileHandler extends Handler writerLock.writeLock().unlock(); } } + + private void clean() { + if (maxDays <= 0) { + return; + } + DELETE_FILES_SERVICE.submit(new Runnable() { + + @Override + public void run() { + try (DirectoryStream<Path> files = streamFilesForDelete()) { + for (Path file : files) { + Files.delete(file); + } + } catch (IOException e) { + reportError("Unable to delete log files older than [" + maxDays + "] days", + null, ErrorManager.GENERIC_FAILURE); + } + } + }); + } + + private DirectoryStream<Path> streamFilesForDelete() throws IOException { + final Date maxDaysOffset = getMaxDaysOffset(); + final SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); + return Files.newDirectoryStream(new File(directory).toPath(), + new DirectoryStream.Filter<Path>() { + + @Override + public boolean accept(Path path) throws IOException { + boolean result = false; + String date = obtainDateFromPath(path); + if (date != null) { + try { + Date dateFromFile = formatter.parse(date); + result = dateFromFile.before(maxDaysOffset); + } catch (ParseException e) { + // no-op + } + } + return result; + } + }); + } + + private String obtainDateFromPath(Path path) { + String date = path.getFileName().toString(); + if (pattern.matcher(date).matches()) { + date = date.substring(prefix.length()); + return date.substring(0, date.length() - suffix.length()); + } else { + return null; + } + } + + private Date getMaxDaysOffset() { + Calendar cal = Calendar.getInstance(); + cal.set(Calendar.HOUR_OF_DAY, 0); + cal.set(Calendar.MINUTE, 0); + cal.set(Calendar.SECOND, 0); + cal.set(Calendar.MILLISECOND, 0); + cal.add(Calendar.DATE, -maxDays); + return cal.getTime(); + } } Copied: tomcat/tc8.5.x/trunk/test/org/apache/juli/TestFileHandler.java (from r1798977, tomcat/trunk/test/org/apache/juli/TestFileHandler.java) URL: http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/test/org/apache/juli/TestFileHandler.java?p2=tomcat/tc8.5.x/trunk/test/org/apache/juli/TestFileHandler.java&p1=tomcat/trunk/test/org/apache/juli/TestFileHandler.java&r1=1798977&r2=1799162&rev=1799162&view=diff ============================================================================== --- tomcat/trunk/test/org/apache/juli/TestFileHandler.java (original) +++ tomcat/tc8.5.x/trunk/test/org/apache/juli/TestFileHandler.java Mon Jun 19 09:04:14 2017 @@ -22,8 +22,8 @@ import java.io.IOException; import java.nio.file.FileSystems; import java.nio.file.Files; import java.nio.file.Path; -import java.time.LocalDate; -import java.time.LocalDateTime; +import java.text.SimpleDateFormat; +import java.util.Calendar; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; @@ -57,8 +57,10 @@ public class TestFileHandler { generateLogFiles(logsDir, PREFIX_3, SUFIX_1, 3); generateLogFiles(logsDir, PREFIX_4, SUFIX_1, 3); - String date = LocalDateTime.now().minusDays(3).toString(); - File file = new File(logsDir, PREFIX_1 + date + SUFIX_1); + Calendar date = Calendar.getInstance(); + date.add(Calendar.DAY_OF_MONTH, -3); + SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS"); + File file = new File(logsDir, PREFIX_1 + formatter.format(date.getTime()) + SUFIX_1); file.createNewFile(); } @@ -112,9 +114,11 @@ public class TestFileHandler { private void generateLogFiles(File dir, String prefix, String sufix, int amount) throws IOException { + Calendar cal = Calendar.getInstance(); + SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); for (int i = 0; i < amount; i++) { - String date = LocalDate.now().minusDays(i + 1).toString().substring(0, 10); - File file = new File(dir, prefix + date + sufix); + cal.add(Calendar.DAY_OF_MONTH, -1); + File file = new File(dir, prefix + formatter.format(cal.getTime()) + sufix); file.createNewFile(); } } Modified: tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml URL: http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml?rev=1799162&r1=1799161&r2=1799162&view=diff ============================================================================== --- tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml (original) +++ tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml Mon Jun 19 09:04:14 2017 @@ -61,6 +61,11 @@ <bug>61101</bug>: CORS filter should set Vary header in response. Submitted by Rick Riemer. (remm) </fix> + <add> + <bug>61105</bug>: Add a new JULI FileHandler configuration for + specifying the maximum number of days to keep the log files. + (violetagg) + </add> <fix> <bug>61125</bug>: Ensure that <code>WarURLConnection</code> returns the correct value for calls to <code>getLastModified()</code> as this is Modified: tomcat/tc8.5.x/trunk/webapps/docs/logging.xml URL: http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/webapps/docs/logging.xml?rev=1799162&r1=1799161&r2=1799162&view=diff ============================================================================== --- tomcat/tc8.5.x/trunk/webapps/docs/logging.xml (original) +++ tomcat/tc8.5.x/trunk/webapps/docs/logging.xml Mon Jun 19 09:04:14 2017 @@ -287,6 +287,12 @@ java.util.logging.ConsoleHandler.level=A boolean value.</li> <li>The root logger can define its set of handlers using the <code>.handlers</code> property.</li> + <li> By default the log files will be kept on the file system forever. + This may be changed per handler using the + <code>handlerName.maxDays</code> property. If the specified value for the + property is <code><=0</code> then the log files will be kept on the + file system forever, otherwise they will be kept the specified maximum + days.</li> </ul> <p> There are several additional implementation classes, that can be used --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org