You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
469 lines
20 KiB
469 lines
20 KiB
// Log.java
|
|
// -------------------------------------
|
|
// (C) by Michael Peter Christen; mc@yacy.net
|
|
// first published on http://www.anomic.de
|
|
// Frankfurt, Germany, 2004
|
|
//
|
|
// $LastChangedDate$
|
|
// $LastChangedRevision$
|
|
// $LastChangedBy$
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
package net.yacy.kelondro.logging;
|
|
|
|
import java.io.ByteArrayOutputStream;
|
|
import java.io.File;
|
|
import java.io.FileInputStream;
|
|
import java.io.FileNotFoundException;
|
|
import java.io.IOException;
|
|
import java.io.PrintStream;
|
|
import java.lang.reflect.InvocationTargetException;
|
|
import java.util.HashMap;
|
|
import java.util.Map;
|
|
import java.util.concurrent.ArrayBlockingQueue;
|
|
import java.util.concurrent.BlockingQueue;
|
|
import java.util.logging.FileHandler;
|
|
import java.util.logging.Level;
|
|
import java.util.logging.LogManager;
|
|
import java.util.logging.Logger;
|
|
|
|
|
|
public final class Log {
|
|
|
|
// log-level categories
|
|
public static final int LOGLEVEL_ZERO = Level.OFF.intValue(); // no output at all
|
|
public static final int LOGLEVEL_SEVERE = Level.SEVERE.intValue(); // system-level error, internal cause, critical and not fixeable (i.e. inconsistency)
|
|
public static final int LOGLEVEL_WARNING = Level.WARNING.intValue(); // uncritical service failure, may require user activity (i.e. input required, wrong authorization)
|
|
public static final int LOGLEVEL_CONFIG = Level.CONFIG.intValue(); // regular system status information (i.e. start-up messages)
|
|
public static final int LOGLEVEL_INFO = Level.INFO.intValue(); // regular action information (i.e. any httpd request URL)
|
|
public static final int LOGLEVEL_FINE = Level.FINE.intValue(); // in-function status debug output
|
|
public static final int LOGLEVEL_FINER = Level.FINER.intValue(); // in-function status debug output
|
|
public static final int LOGLEVEL_FINEST = Level.FINEST.intValue(); // in-function status debug output
|
|
|
|
// these categories are also present as character tokens
|
|
public static final char LOGTOKEN_ZERO = 'Z';
|
|
public static final char LOGTOKEN_SEVERE = 'E';
|
|
public static final char LOGTOKEN_WARNING = 'W';
|
|
public static final char LOGTOKEN_CONFIG = 'S';
|
|
public static final char LOGTOKEN_INFO = 'I';
|
|
public static final char LOGTOKEN_FINE = 'D';
|
|
public static final char LOGTOKEN_FINER = 'D';
|
|
public static final char LOGTOKEN_FINEST = 'D';
|
|
|
|
private final Logger theLogger;
|
|
|
|
public Log(final String appName) {
|
|
this.theLogger = Logger.getLogger(appName);
|
|
//this.theLogger.setLevel(Level.FINEST); // set a default level
|
|
}
|
|
|
|
public final void setLevel(final Level newLevel) {
|
|
this.theLogger.setLevel(newLevel);
|
|
}
|
|
|
|
public final void logSevere(final String message) {
|
|
enQueueLog(this.theLogger, Level.SEVERE, message);
|
|
}
|
|
|
|
public final void logSevere(final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(this.theLogger, Level.SEVERE, message, thrown);
|
|
}
|
|
|
|
public final boolean isSevere() {
|
|
return this.theLogger.isLoggable(Level.SEVERE);
|
|
}
|
|
|
|
public final void logWarning(final String message) {
|
|
enQueueLog(this.theLogger, Level.WARNING, message);
|
|
}
|
|
|
|
public final void logWarning(final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(this.theLogger, Level.WARNING, message, thrown);
|
|
}
|
|
|
|
public final boolean isWarning() {
|
|
return this.theLogger.isLoggable(Level.WARNING);
|
|
}
|
|
|
|
public final void logConfig(final String message) {
|
|
enQueueLog(this.theLogger, Level.CONFIG, message);
|
|
}
|
|
|
|
public final void logConfig(final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(this.theLogger, Level.CONFIG, message, thrown);
|
|
}
|
|
|
|
public final boolean isConfig() {
|
|
return this.theLogger.isLoggable(Level.CONFIG);
|
|
}
|
|
|
|
public final void logInfo(final String message) {
|
|
enQueueLog(this.theLogger, Level.INFO, message);
|
|
}
|
|
|
|
public final void logInfo(final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(this.theLogger, Level.INFO, message, thrown);
|
|
}
|
|
|
|
public boolean isInfo() {
|
|
return this.theLogger.isLoggable(Level.INFO);
|
|
}
|
|
|
|
public final void logFine(final String message) {
|
|
enQueueLog(this.theLogger, Level.FINE, message);
|
|
}
|
|
|
|
public final void logFine(final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(this.theLogger, Level.FINE, message, thrown);
|
|
}
|
|
|
|
public final boolean isFine() {
|
|
return this.theLogger.isLoggable(Level.FINE);
|
|
}
|
|
|
|
public final void logFiner(final String message) {
|
|
enQueueLog(this.theLogger, Level.FINER, message);
|
|
}
|
|
|
|
public final void logFiner(final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(this.theLogger, Level.FINER, message, thrown);
|
|
}
|
|
|
|
public final boolean isFiner() {
|
|
return this.theLogger.isLoggable(Level.FINER);
|
|
}
|
|
|
|
public final void logFinest(final String message) {
|
|
enQueueLog(this.theLogger, Level.FINEST, message);
|
|
}
|
|
|
|
public final void logFinest(final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(this.theLogger, Level.FINEST, message, thrown);
|
|
}
|
|
|
|
public final boolean isFinest() {
|
|
return this.theLogger.isLoggable(Level.FINEST);
|
|
}
|
|
|
|
public final boolean isLoggable(final Level level) {
|
|
return this.theLogger.isLoggable(level);
|
|
}
|
|
|
|
|
|
// static log messages
|
|
public final static void logSevere(final String appName, final String message) {
|
|
enQueueLog(appName, Level.SEVERE, message);
|
|
}
|
|
public final static void logSevere(final String appName, final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(appName, Level.SEVERE, message, thrown);
|
|
}
|
|
|
|
public final static void logWarning(final String appName, final String message) {
|
|
enQueueLog(appName, Level.WARNING, message);
|
|
}
|
|
public final static void logException(final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog("StackTrace", Level.WARNING, thrown.getMessage(), thrown);
|
|
}
|
|
public final static void logWarning(final String appName, final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(appName, Level.WARNING, message, thrown);
|
|
}
|
|
|
|
public final static void logConfig(final String appName, final String message) {
|
|
enQueueLog(appName, Level.CONFIG, message);
|
|
}
|
|
public final static void logConfig(final String appName, final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(appName, Level.CONFIG, message, thrown);
|
|
}
|
|
|
|
public final static void logInfo(final String appName, final String message) {
|
|
enQueueLog(appName, Level.INFO, message);
|
|
}
|
|
public final static void logInfo(final String appName, final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(appName, Level.INFO, message, thrown);
|
|
}
|
|
|
|
public final static void logFine(final String appName, final String message) {
|
|
enQueueLog(appName, Level.FINE, message);
|
|
}
|
|
public final static void logFine(final String appName, final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(appName, Level.FINE, message, thrown);
|
|
}
|
|
public final static boolean isFine(final String appName) {
|
|
return Logger.getLogger(appName).isLoggable(Level.FINE);
|
|
}
|
|
|
|
public final static void logFiner(final String appName, final String message) {
|
|
enQueueLog(appName, Level.FINER, message);
|
|
}
|
|
public final static void logFiner(final String appName, final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(appName, Level.FINER, message, thrown);
|
|
}
|
|
|
|
public final static void logFinest(final String appName, final String message) {
|
|
enQueueLog(appName, Level.FINEST, message);
|
|
}
|
|
public final static void logFinest(final String appName, final String message, final Throwable thrown) {
|
|
if (thrown == null) return;
|
|
enQueueLog(appName, Level.FINEST, message, thrown);
|
|
}
|
|
public final static boolean isFinest(final String appName) {
|
|
return Logger.getLogger(appName).isLoggable(Level.FINEST);
|
|
}
|
|
|
|
private final static void enQueueLog(final Logger logger, final Level level, final String message, final Throwable thrown) {
|
|
if (!logger.isLoggable(level)) return;
|
|
if (logRunnerThread == null || !logRunnerThread.isAlive()) {
|
|
if (thrown == null) logger.log(level, message); else logger.log(level, message, thrown);
|
|
} else {
|
|
try {
|
|
if (thrown == null) logQueue.put(new logEntry(logger, level, message)); else logQueue.put(new logEntry(logger, level, message, thrown));
|
|
} catch (final InterruptedException e) {
|
|
if (thrown == null) logger.log(level, message); else logger.log(level, message, thrown);
|
|
}
|
|
}
|
|
}
|
|
|
|
private final static void enQueueLog(final Logger logger, final Level level, final String message) {
|
|
if (!logger.isLoggable(level)) return;
|
|
if (logRunnerThread == null || !logRunnerThread.isAlive()) {
|
|
logger.log(level, message);
|
|
} else {
|
|
try {
|
|
logQueue.put(new logEntry(logger, level, message));
|
|
} catch (final InterruptedException e) {
|
|
logger.log(level, message);
|
|
}
|
|
}
|
|
}
|
|
|
|
private final static void enQueueLog(final String loggername, final Level level, final String message, final Throwable thrown) {
|
|
if (logRunnerThread == null || !logRunnerThread.isAlive()) {
|
|
if (thrown == null) Logger.getLogger(loggername).log(level, message); else Logger.getLogger(loggername).log(level, message, thrown);
|
|
} else {
|
|
try {
|
|
if (thrown == null) logQueue.put(new logEntry(loggername, level, message)); else logQueue.put(new logEntry(loggername, level, message, thrown));
|
|
} catch (final InterruptedException e) {
|
|
if (thrown == null) Logger.getLogger(loggername).log(level, message); else Logger.getLogger(loggername).log(level, message, thrown);
|
|
}
|
|
}
|
|
}
|
|
|
|
private final static void enQueueLog(final String loggername, final Level level, final String message) {
|
|
if (logRunnerThread == null || !logRunnerThread.isAlive()) {
|
|
Logger.getLogger(loggername).log(level, message);
|
|
} else {
|
|
try {
|
|
logQueue.put(new logEntry(loggername, level, message));
|
|
} catch (final InterruptedException e) {
|
|
Logger.getLogger(loggername).log(level, message);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected final static class logEntry {
|
|
public final Level level;
|
|
public final String message;
|
|
public Logger logger;
|
|
public String loggername;
|
|
public Throwable thrown;
|
|
private logEntry(final Level level, final String message) {
|
|
this.level = level;
|
|
this.message = message == null || message.length() <= 512 ? message : message.substring(0, 512);
|
|
}
|
|
public logEntry(final Logger logger, final Level level, final String message, final Throwable thrown) {
|
|
this(level, message);
|
|
this.logger = logger;
|
|
this.loggername = null;
|
|
this.thrown = thrown;
|
|
}
|
|
public logEntry(final Logger logger, final Level level, final String message) {
|
|
this(level, message);
|
|
this.logger = logger;
|
|
this.loggername = null;
|
|
this.thrown = null;
|
|
}
|
|
public logEntry(final String loggername, final Level level, final String message, final Throwable thrown) {
|
|
this(level, message);
|
|
this.logger = null;
|
|
this.loggername = loggername;
|
|
this.thrown = thrown;
|
|
}
|
|
public logEntry(final String loggername, final Level level, final String message) {
|
|
this(level, message);
|
|
this.logger = null;
|
|
this.loggername = loggername;
|
|
this.thrown = null;
|
|
}
|
|
public logEntry() {
|
|
this.logger = null;
|
|
this.loggername = null;
|
|
this.level = null;
|
|
this.message = null;
|
|
this.thrown = null;
|
|
}
|
|
}
|
|
|
|
protected final static logEntry poison = new logEntry();
|
|
protected final static BlockingQueue<logEntry> logQueue = new ArrayBlockingQueue<logEntry>(300);
|
|
private final static logRunner logRunnerThread = new logRunner();
|
|
|
|
static {
|
|
logRunnerThread.start();
|
|
}
|
|
|
|
protected final static class logRunner extends Thread {
|
|
public logRunner() {
|
|
super("Log Runner");
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
logEntry entry;
|
|
Map<String, Logger> loggerCache = new HashMap<String, Logger>();
|
|
//Map<String, AtomicInteger> loggerCounter = new HashMap<String, AtomicInteger>();
|
|
try {
|
|
while ((entry = logQueue.take()) != poison) {
|
|
if (entry.logger == null) {
|
|
assert entry.loggername != null;
|
|
//AtomicInteger i = loggerCounter.get(entry.loggername);
|
|
//if (i == null) {i = new AtomicInteger(0); loggerCounter.put(entry.loggername, i);}
|
|
//i.incrementAndGet();
|
|
Logger l = loggerCache.get(entry.loggername);
|
|
if (l == null) {l = Logger.getLogger(entry.loggername); loggerCache.put(entry.loggername, l);}
|
|
if (entry.thrown == null) {
|
|
l.log(entry.level, entry.message);
|
|
} else {
|
|
l.log(entry.level, entry.message, entry.thrown);
|
|
}
|
|
} else {
|
|
assert entry.loggername == null;
|
|
if (entry.thrown == null) {
|
|
entry.logger.log(entry.level, entry.message);
|
|
} else {
|
|
entry.logger.log(entry.level, entry.message, entry.thrown);
|
|
}
|
|
}
|
|
}
|
|
} catch (final InterruptedException e) {
|
|
Log.logException(e);
|
|
}
|
|
//Logger.getLogger("Log").log(Level.INFO, "closing logRunner with cached loggers: " + loggerCounter.entrySet().toString());
|
|
}
|
|
}
|
|
|
|
public final static void configureLogging(final File dataPath, final File appPath, final File loggingConfigFile) throws SecurityException, FileNotFoundException, IOException {
|
|
FileInputStream fileIn = null;
|
|
try {
|
|
System.out.println("STARTUP: Trying to load logging configuration from file " + loggingConfigFile.toString());
|
|
fileIn = new FileInputStream(loggingConfigFile);
|
|
|
|
// loading the logger configuration from file
|
|
final LogManager logManager = LogManager.getLogManager();
|
|
logManager.readConfiguration(fileIn);
|
|
|
|
// creating the logging directory
|
|
String logPattern = logManager.getProperty("java.util.logging.FileHandler.pattern");
|
|
int stripPos = logPattern.lastIndexOf(File.separatorChar);
|
|
if (!new File(logPattern).isAbsolute()) logPattern = new File(dataPath, logPattern).getAbsolutePath();
|
|
if (stripPos < 0) stripPos = logPattern.lastIndexOf(File.separatorChar);
|
|
File log = new File(logPattern.substring(0, stripPos));
|
|
if (!log.isAbsolute()) log = new File(dataPath, log.getPath());
|
|
if (!log.canRead()) log.mkdir();
|
|
|
|
// generating the root logger
|
|
final Logger logger = Logger.getLogger("");
|
|
logger.setUseParentHandlers(false);
|
|
|
|
//for (Handler h: logger.getHandlers()) logger.removeHandler(h);
|
|
if (!dataPath.getAbsolutePath().equals(appPath.getAbsolutePath())) {
|
|
final FileHandler handler = new FileHandler(logPattern, 1024*1024, 20, true);
|
|
logger.addHandler(handler);
|
|
}
|
|
|
|
// redirect uncaught exceptions to logging
|
|
final Log exceptionLog = new Log("UNCAUGHT-EXCEPTION");
|
|
Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler(){
|
|
@Override
|
|
public void uncaughtException(final Thread t, final Throwable e) {
|
|
if (e == null) return;
|
|
final String msg = String.format("Thread %s: %s",t.getName(), e.getMessage());
|
|
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
|
final PrintStream ps = new PrintStream(baos);
|
|
e.printStackTrace(ps);
|
|
ps.close();
|
|
exceptionLog.logSevere(msg + "\n" + baos.toString(), e);
|
|
Log.logException(e);
|
|
Log.logException(e.getCause());
|
|
if (e instanceof InvocationTargetException) Log.logException(((InvocationTargetException) e).getTargetException());
|
|
}
|
|
});
|
|
} finally {
|
|
if (fileIn != null) try {fileIn.close();}catch(final Exception e){}
|
|
}
|
|
}
|
|
|
|
public final static void shutdown() {
|
|
if (logRunnerThread == null || !logRunnerThread.isAlive()) return;
|
|
try {
|
|
logQueue.put(poison);
|
|
logRunnerThread.join(1000);
|
|
} catch (final InterruptedException e) {
|
|
}
|
|
}
|
|
|
|
public final static String format(final String s, int n, final int fillChar) {
|
|
final int l = s.length();
|
|
if (l >= n) return s;
|
|
final StringBuilder sb = new StringBuilder(l + n);
|
|
for (final int i = l + n; i > n; n--) sb.insert(0, fillChar);
|
|
return sb.toString();
|
|
}
|
|
|
|
public final static boolean allZero(final byte[] a) {
|
|
return allZero(a, 0, a.length);
|
|
}
|
|
|
|
public final static boolean allZero(final byte[] a, final int astart, final int alength) {
|
|
for (int i = 0; i < alength; i++) if (a[astart + i] != 0) return false;
|
|
return true;
|
|
}
|
|
|
|
public static String stackTrace() {
|
|
Throwable t = new Throwable();
|
|
StackTraceElement[] e = t.getStackTrace();
|
|
StringBuilder sb = new StringBuilder(80);
|
|
for (int i = 2; i < e.length - 1; i++) {
|
|
sb.append(e[i].toString()).append(" -> ");
|
|
}
|
|
sb.append(e[e.length - 1].toString());
|
|
return sb.toString();
|
|
}
|
|
}
|