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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2009-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
// Portions Copyright [2016-2017] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.server.logging;
import com.sun.common.util.logging.GFLogRecord;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.OutputStream;
import java.text.FieldPosition;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.ResourceBundle;
import java.util.Vector;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.ErrorManager;
import java.util.logging.Formatter;
import java.util.logging.Level;
import java.util.logging.LogManager;
import java.util.logging.LogRecord;
import java.util.logging.StreamHandler;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.glassfish.api.logging.Task;
import org.glassfish.config.support.TranslatedConfigView;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.hk2.api.PreDestroy;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.internal.api.ServerContext;
import org.glassfish.server.ServerEnvironmentImpl;
import org.jvnet.hk2.annotations.ContractsProvided;
import org.jvnet.hk2.annotations.Optional;
import org.jvnet.hk2.annotations.Service;
import com.sun.appserv.server.util.Version;
import com.sun.common.util.logging.BooleanLatch;
import com.sun.enterprise.admin.monitor.callflow.Agent;
import com.sun.enterprise.module.bootstrap.EarlyLogHandler;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.enterprise.util.io.FileUtils;
import com.sun.enterprise.v3.logging.AgentFormatterDelegate;
import java.io.FileInputStream;
import java.util.zip.GZIPOutputStream;
/**
* GFFileHandler publishes formatted log Messages to a FILE.
*
* @AUTHOR: Jerome Dochez
* @AUTHOR: Carla Mott
*/
@Service
@Singleton
@ContractsProvided({GFFileHandler.class, java.util.logging.Handler.class,
LogEventBroadcaster.class, LoggingRuntime.class})
public class GFFileHandler extends StreamHandler implements
PostConstruct, PreDestroy, LogEventBroadcaster, LoggingRuntime {
private static final int DEFAULT_ROTATION_LIMIT_BYTES = 2000000;
public static final int DISABLE_LOG_FILE_ROTATION_VALUE = 0;
private final static LocalStringManagerImpl LOCAL_STRINGS =
new LocalStringManagerImpl(GFFileHandler.class);
@Inject
ServerContext serverContext;
@Inject
protected ServerEnvironmentImpl env;
@Inject @Optional
Agent agent;
@Inject
private ServiceLocator habitat;
// This is a OutputStream to keep track of number of bytes
// written out to the stream
private MeteredStream meter;
protected static final String LOGS_DIR = "logs";
private static final String LOG_FILE_NAME = "server.log";
private static final String GZIP_EXTENSION = ".gz";
private String absoluteServerLogName = null;
private File absoluteFile = null;
private int flushFrequency = 1;
private int maxHistoryFiles = 10;
private String gffileHandlerFormatter = "";
private String currentgffileHandlerFormatter = "";
// Initially the LogRotation will be off until the domain.xml value is read.
private int limitForFileRotation = 0;
private BlockingQueue pendingRecords = new ArrayBlockingQueue(5000);
// Rotation can be done in 3 ways
// 1. Based on the Size: Rotate when some Threshold number of bytes are
// written to server.log
// 2. Based on the Time: Rotate ever 'n' minutes, mostly 24 hrs
// 3. Rotate now
// For mechanisms 2 and 3 we will use this flag. The rotate() will always
// be fired from the publish( ) method for consistency
private AtomicBoolean rotationRequested = new AtomicBoolean(false);
private Object rotationLock = new Object();
private static final String LOG_ROTATE_DATE_FORMAT =
"yyyy-MM-dd'T'HH-mm-ss";
private static final SimpleDateFormat logRotateDateFormatter =
new SimpleDateFormat(LOG_ROTATE_DATE_FORMAT);
private static final String DEFAULT_LOG_FILE_FORMATTER_CLASS_NAME = UniformLogFormatter.class.getName();
public static final int MINIMUM_ROTATION_LIMIT_VALUE = 500*1000;
private BooleanLatch done = new BooleanLatch();
private Thread pump;
boolean dayBasedFileRotation = false;
boolean compressLogs = false;
private String RECORD_BEGIN_MARKER = "[#|";
private String RECORD_END_MARKER = "|#]";
private String RECORD_FIELD_SEPARATOR = "|";
private String RECORD_DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";
private List logEventListeners = new ArrayList();
String recordBeginMarker;
String recordEndMarker;
String recordFieldSeparator;
String recordDateFormat;
String logFileProperty = "";
public void postConstruct() {
LogManager manager = LogManager.getLogManager();
String cname = getClass().getName();
String filename = evaluateFileName();
File serverLog = new File(filename);
absoluteServerLogName = filename;
if (!serverLog.isAbsolute()) {
serverLog = new File(env.getDomainRoot(), filename);
absoluteServerLogName = env.getDomainRoot() + File.separator + filename;
}
changeFileName(serverLog);
// Reading just few lines of log file to get the log fomatter used.
BufferedReader br = null;
String strLine = "";
int odlFormatter = 0;
int uniformLogFormatter = 0;
int otherFormatter = 0;
boolean mustRotate = false;
try {
br = new BufferedReader(new FileReader(serverLog));
while ((strLine = br.readLine()) != null) {
strLine = strLine.trim();
if (!strLine.equals("")) {
if (LogFormatHelper.isUniformFormatLogHeader(strLine)) { // for ufl formatter
uniformLogFormatter++;
} else if (LogFormatHelper.isODLFormatLogHeader(strLine)) {
// for ODL formatter
odlFormatter++;
} else {
otherFormatter++; // for other formatter
}
// Rotate on startup for custom log files
if (otherFormatter > 0) {
mustRotate = true;
}
// Read only first log record line and break out of the loop
break;
}
}
} catch (Exception e) {
ErrorManager em = getErrorManager();
if (em != null) {
em.error(e.getMessage(), e, ErrorManager.GENERIC_FAILURE);
}
} finally {
if (br != null) {
try {
br.close();
} catch(Exception e) {}
}
}
if (odlFormatter > 0) {
currentgffileHandlerFormatter = "com.sun.enterprise.server.logging.ODLLogFormatter";
} else if (uniformLogFormatter > 0) {
currentgffileHandlerFormatter = "com.sun.enterprise.server.logging.UniformLogFormatter";
}
// start the Queue consumer thread.
initializePump();
LogRecord lr = new LogRecord(Level.INFO, LogFacade.GF_VERSION_INFO);
lr.setParameters(new Object[]{ Version.getFullVersion()});
lr.setResourceBundle(ResourceBundle.getBundle(LogFacade.LOGGING_RB_NAME));
lr.setThreadID((int) Thread.currentThread().getId());
lr.setLoggerName(LogFacade.LOGGING_LOGGER_NAME);
EarlyLogHandler.earlyMessages.add(lr);
String propValue = null;
propValue = manager.getProperty(cname + ".rotationOnDateChange");
boolean rotationOnDateChange = false;
if (propValue != null) {
rotationOnDateChange = Boolean.parseBoolean(propValue);
}
if (rotationOnDateChange) {
dayBasedFileRotation = true;
Long rotationTimeLimitValue = 0L;
int MILLIS_IN_DAY = 1000 * 60 * 60 * 24;
Date date = new Date();
SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yy");
long systime = System.currentTimeMillis();
String nextDate = dateFormat.format(date.getTime() + MILLIS_IN_DAY);
Date nextDay = null;
try {
nextDay = dateFormat.parse(nextDate);
} catch (ParseException e) {
nextDay = new Date();
lr = new LogRecord(Level.WARNING, LogFacade.DATE_PARSING_FAILED);
lr.setParameters(new Object[]{nextDate});
lr.setResourceBundle(ResourceBundle.getBundle(LogFacade.LOGGING_RB_NAME));
lr.setThreadID((int) Thread.currentThread().getId());
lr.setLoggerName(LogFacade.LOGGING_LOGGER_NAME);
EarlyLogHandler.earlyMessages.add(lr);
}
long nextsystime = nextDay.getTime();
rotationTimeLimitValue = nextsystime - systime;
Task rotationTask = new Task() {
public Object run() {
rotate();
return null;
}
};
LogRotationTimer.getInstance().startTimer(
new LogRotationTimerTask(rotationTask,
rotationTimeLimitValue / 60000));
} else {
Long rotationTimeLimitValue = 0L;
try {
propValue = manager.getProperty(cname + ".rotationTimelimitInMinutes");
if (propValue != null) {
rotationTimeLimitValue = Long.parseLong(propValue);
}
} catch (NumberFormatException e) {
lr = new LogRecord(Level.WARNING, LogFacade.INVALID_ATTRIBUTE_VALUE);
lr.setParameters(new Object[]{propValue, "rotationTimelimitInMinutes"});
lr.setResourceBundle(ResourceBundle.getBundle(LogFacade.LOGGING_RB_NAME));
lr.setThreadID((int) Thread.currentThread().getId());
lr.setLoggerName(LogFacade.LOGGING_LOGGER_NAME);
EarlyLogHandler.earlyMessages.add(lr);
}
if (rotationTimeLimitValue > 0) {
Task rotationTask = new Task() {
public Object run() {
rotate();
return null;
}
};
LogRotationTimer.getInstance().startTimer(
new LogRotationTimerTask(rotationTask,
rotationTimeLimitValue));
}
}
// Also honor the size based rotation if configured.
Integer rotationLimitAttrValue = DEFAULT_ROTATION_LIMIT_BYTES;
try {
propValue = manager.getProperty(cname + ".rotationLimitInBytes");
if (propValue != null) {
rotationLimitAttrValue = Integer.parseInt(propValue);
}
} catch (NumberFormatException e) {
lr = new LogRecord(Level.WARNING, LogFacade.INVALID_ATTRIBUTE_VALUE);
lr.setParameters(new Object[]{propValue, "rotationLimitInBytes"});
lr.setResourceBundle(ResourceBundle.getBundle(LogFacade.LOGGING_RB_NAME));
lr.setThreadID((int) Thread.currentThread().getId());
lr.setLoggerName(LogFacade.LOGGING_LOGGER_NAME);
EarlyLogHandler.earlyMessages.add(lr);
}
// We set the LogRotation limit here. The rotation limit is the
// Threshold for the number of bytes in the log file after which
// it will be rotated.
if (rotationLimitAttrValue >= MINIMUM_ROTATION_LIMIT_VALUE || rotationLimitAttrValue == DISABLE_LOG_FILE_ROTATION_VALUE ) {
setLimitForRotation(rotationLimitAttrValue);
}
//setLevel(Level.ALL);
propValue = manager.getProperty(cname + ".flushFrequency");
if (propValue != null) {
try {
flushFrequency = Integer.parseInt(propValue);
} catch (NumberFormatException e) {
lr = new LogRecord(Level.WARNING, LogFacade.INVALID_ATTRIBUTE_VALUE);
lr.setParameters(new Object[]{propValue, "flushFrequency"});
lr.setResourceBundle(ResourceBundle.getBundle(LogFacade.LOGGING_RB_NAME));
lr.setThreadID((int) Thread.currentThread().getId());
lr.setLoggerName(LogFacade.LOGGING_LOGGER_NAME);
EarlyLogHandler.earlyMessages.add(lr);
}
}
if (flushFrequency <= 0)
flushFrequency = 1;
propValue = manager.getProperty(cname + ".maxHistoryFiles");
try {
if (propValue != null) {
maxHistoryFiles = Integer.parseInt(propValue);
}
} catch (NumberFormatException e) {
lr = new LogRecord(Level.WARNING, LogFacade.INVALID_ATTRIBUTE_VALUE);
lr.setParameters(new Object[]{propValue, "maxHistoryFiles"});
lr.setResourceBundle(ResourceBundle.getBundle(LogFacade.LOGGING_RB_NAME));
lr.setThreadID((int) Thread.currentThread().getId());
lr.setLoggerName(LogFacade.LOGGING_LOGGER_NAME);
EarlyLogHandler.earlyMessages.add(lr);
}
if (maxHistoryFiles < 0)
maxHistoryFiles = 10;
propValue = manager.getProperty(cname + ".compressOnRotation");
boolean compressionOnRotation = false;
if (propValue != null) {
compressionOnRotation = Boolean.parseBoolean(propValue);
}
if (compressionOnRotation) {
compressLogs = true;
}
String formatterName = manager.getProperty(cname + ".formatter");
formatterName = (formatterName == null) ? DEFAULT_LOG_FILE_FORMATTER_CLASS_NAME : formatterName;
// Below snapshot of the code is used to rotate server.log file on startup. It is used to avoid different format
// log messages logged under same server.log file.
gffileHandlerFormatter = formatterName;
if (mustRotate) {
rotate();
} else if (gffileHandlerFormatter != null
&& !gffileHandlerFormatter
.equals(currentgffileHandlerFormatter)) {
rotate();
}
String excludeFields = manager.getProperty(LogManagerService.EXCLUDE_FIELDS_PROPERTY);
boolean multiLineMode = Boolean.parseBoolean(manager.getProperty(LogManagerService.MULTI_LINE_MODE_PROPERTY));
if (UniformLogFormatter.class.getName().equals(formatterName)) {
configureUniformLogFormatter(excludeFields, multiLineMode);
} else if (ODLLogFormatter.class.getName().equals(formatterName)) {
configureODLFormatter(excludeFields, multiLineMode);
} else {
// Custom formatter is configured in logging.properties
// Check if the user specified formatter is in play else
// log an error message
Formatter currentFormatter = this.getFormatter();
if (currentFormatter == null || !currentFormatter.getClass().getName().equals(formatterName)) {
Formatter formatter = findFormatterService(formatterName);
if (formatter == null) {
lr = new LogRecord(Level.SEVERE, LogFacade.INVALID_FORMATTER_CLASS_NAME);
lr.setParameters(new Object[]{formatterName});
lr.setThreadID((int) Thread.currentThread().getId());
lr.setResourceBundle(ResourceBundle.getBundle(LogFacade.LOGGING_RB_NAME));
lr.setLoggerName(LogFacade.LOGGING_LOGGER_NAME);
EarlyLogHandler.earlyMessages.add(lr);
// Fall back to the GlassFish default
configureDefaultFormatter(excludeFields, multiLineMode);
} else {
setFormatter(formatter);
}
}
}
formatterName = this.getFormatter().getClass().getName();
lr = new LogRecord(Level.INFO, LogFacade.LOG_FORMATTER_INFO);
lr .setParameters(new Object[] {formatterName});
lr.setResourceBundle(ResourceBundle.getBundle(LogFacade.LOGGING_RB_NAME));
lr.setThreadID((int) Thread.currentThread().getId());
lr.setLoggerName(LogFacade.LOGGING_LOGGER_NAME);
EarlyLogHandler.earlyMessages.add(lr);
}
protected String evaluateFileName() {
String cname = getClass().getName();
LogManager manager = LogManager.getLogManager();
logFileProperty = manager.getProperty(cname + ".file");
if(logFileProperty==null || logFileProperty.trim().equals("")) {
logFileProperty = env.getInstanceRoot().getAbsolutePath() + File.separator + LOGS_DIR + File.separator +
LOG_FILE_NAME;
}
return TranslatedConfigView.getTranslatedValue(logFileProperty).toString();
}
Formatter findFormatterService(String formatterName) {
List formatterServices = habitat.getAllServices(Formatter.class);
for (Formatter formatter : formatterServices) {
if (formatter.getClass().getName().equals(formatterName)) {
return formatter;
}
}
return null;
}
private void configureDefaultFormatter(String excludeFields,
boolean multiLineMode) {
configureUniformLogFormatter(excludeFields, multiLineMode);
}
private void configureODLFormatter(String excludeFields, boolean multiLineMode) {
// this loop is used for ODL formatter
ODLLogFormatter formatterClass = null;
// set the formatter
if (agent != null) {
formatterClass = new ODLLogFormatter(new AgentFormatterDelegate(agent));
setFormatter(formatterClass);
} else {
formatterClass = new ODLLogFormatter();
setFormatter(formatterClass);
}
formatterClass.setExcludeFields(excludeFields);
formatterClass.setMultiLineMode(multiLineMode);
formatterClass.setLogEventBroadcaster(this);
}
private void configureUniformLogFormatter(String excludeFields, boolean multiLineMode) {
LogManager manager = LogManager.getLogManager();
String cname = getClass().getName();
// this loop is used for UFL formatter
UniformLogFormatter formatterClass = null;
// set the formatter
if (agent != null) {
formatterClass = new UniformLogFormatter(new AgentFormatterDelegate(agent));
setFormatter(formatterClass);
} else {
formatterClass = new UniformLogFormatter();
setFormatter(formatterClass);
}
formatterClass.setExcludeFields(excludeFields);
formatterClass.setMultiLineMode(multiLineMode);
formatterClass.setLogEventBroadcaster(this);
if (formatterClass != null) {
recordBeginMarker = manager.getProperty(cname + ".logFormatBeginMarker");
if (recordBeginMarker == null || ("").equals(recordBeginMarker)) {
recordBeginMarker = RECORD_BEGIN_MARKER;
}
recordEndMarker = manager.getProperty(cname + ".logFormatEndMarker");
if (recordEndMarker == null || ("").equals(recordEndMarker)) {
recordEndMarker = RECORD_END_MARKER;
}
recordFieldSeparator = manager.getProperty(cname + ".logFormatFieldSeparator");
if (recordFieldSeparator == null || ("").equals(recordFieldSeparator) || recordFieldSeparator.length() > 1) {
recordFieldSeparator = RECORD_FIELD_SEPARATOR;
}
recordDateFormat = manager.getProperty(cname + ".logFormatDateFormat");
if (recordDateFormat != null && !("").equals(recordDateFormat)) {
SimpleDateFormat sdf = new SimpleDateFormat(recordDateFormat);
try {
sdf.format(new Date());
} catch (Exception e) {
recordDateFormat = RECORD_DATE_FORMAT;
}
} else {
recordDateFormat = RECORD_DATE_FORMAT;
}
formatterClass.setRecordBeginMarker(recordBeginMarker);
formatterClass.setRecordEndMarker(recordEndMarker);
formatterClass.setRecordDateFormat(recordDateFormat);
formatterClass.setRecordFieldSeparator(recordFieldSeparator);
}
}
void initializePump() {
pump = new Thread() {
public void run() {
while (!done.isSignalled()) {
try {
log();
} catch (Exception e) {
// GLASSFISH-19125
// Continue the loop without exiting
}
}
}
};
pump.setName("GFFileHandler log pump");
pump.setDaemon(true);
pump.start();
}
public void preDestroy() {
// stop the Queue consummer thread.
if (LogFacade.LOGGING_LOGGER.isLoggable(Level.FINE)) {
LogFacade.LOGGING_LOGGER.fine("Logger handler killed");
}
done.tryReleaseShared(1);
pump.interrupt();
// drain and return
final int size = pendingRecords.size();
if (size > 0) {
Collection records = new ArrayList(size);
pendingRecords.drainTo(records, size);
for (LogRecord record : records) {
super.publish(record);
}
}
}
/**
* This method is invoked from LogManager.reInitializeLoggers() to
* change the location of the file.
*/
void changeFileName(File file) {
// If the file name is same as the current file name, there
// is no need to change the filename
if (file.equals(absoluteFile)) {
return;
}
synchronized (rotationLock) {
super.flush();
super.close();
try {
openFile(file);
absoluteFile = file;
} catch (IOException ix) {
new ErrorManager().error(
"FATAL ERROR: COULD NOT OPEN LOG FILE. " +
"Please Check to make sure that the directory for " +
"Logfile exists. Currently reverting back to use the " +
" default server.log", ix, ErrorManager.OPEN_FAILURE);
try {
// Reverting back to the old server.log
openFile(absoluteFile);
} catch (Exception e) {
new ErrorManager().error(
"FATAL ERROR: COULD NOT RE-OPEN SERVER LOG FILE. ", e,
ErrorManager.OPEN_FAILURE);
}
}
}
}
/**
* A simple getter to access the current log file written by
* this FileHandler.
*/
public File getCurrentLogFile() {
return absoluteFile;
}
/**
* A package private method to set the limit for File Rotation.
*/
private synchronized void setLimitForRotation(int rotationLimitInBytes) {
limitForFileRotation = rotationLimitInBytes;
}
// NOTE: This private class is copied from java.util.logging.FileHandler
// A metered stream is a subclass of OutputStream that
// (a) forwards all its output to a target stream
// (b) keeps track of how many bytes have been written
private static final class MeteredStream extends OutputStream {
private volatile boolean isOpen = false;
OutputStream out;
long written;
MeteredStream(OutputStream out, long written) {
this.out = out;
this.written = written;
isOpen = true;
}
public void write(int b) throws IOException {
out.write(b);
written++;
}
public void write(byte buff[]) throws IOException {
out.write(buff);
written += buff.length;
}
public void write(byte buff[], int off, int len) throws IOException {
out.write(buff, off, len);
written += len;
}
public void flush() throws IOException {
out.flush();
}
public void close() throws IOException {
if (isOpen) {
isOpen = false;
flush();
out.close();
}
}
}
/**
* Creates the file and initialized MeteredStream and passes it on to
* Superclass (java.util.logging.StreamHandler).
*/
private void openFile(File file) throws IOException {
// check that the parent directory exists.
File parent = file.getParentFile();
if (!parent.exists() && !parent.mkdirs()) {
throw new IOException(LOCAL_STRINGS.getLocalString("parent.dir.create.failed",
"Failed to create the parent dir {0}", parent.getAbsolutePath()));
}
FileOutputStream fout = new FileOutputStream(file, true);
BufferedOutputStream bout = new BufferedOutputStream(fout);
meter = new MeteredStream(bout, file.length());
setOutputStream(meter);
}
/**
* Request Rotation called from Rotation Timer Task or LogMBean
*/
void requestRotation() {
rotationRequested.set(true);
}
/**
* cleanup the history log file based on attributes set under logging.properties file".
*
* If it is defined with valid number, we only keep that number of history logfiles;
* If "max_history_files" is defined without value, then default that number to be 10;
* If "max_history_files" is defined with value 0, any number of history files are kept.
*/
public void cleanUpHistoryLogFiles() {
if (maxHistoryFiles == 0)
return;
synchronized (rotationLock) {
File dir = absoluteFile.getParentFile();
if (dir == null)
return;
File[] fset = dir.listFiles();
ArrayList candidates = new ArrayList();
for (int i = 0; fset != null && i < fset.length; i++) {
if (!LOG_FILE_NAME.equals(fset[i].getName()) && fset[i].isFile()
&& fset[i].getName().startsWith(LOG_FILE_NAME)) {
candidates.add(fset[i].getAbsolutePath());
}
}
if (candidates.size() <= maxHistoryFiles)
return;
Object[] pathes = candidates.toArray();
java.util.Arrays.sort(pathes);
try {
for (int i = 0; i < pathes.length - maxHistoryFiles; i++) {
File logFile = new File((String) pathes[i]);
boolean delFile = logFile.delete();
if (!delFile) {
throw new IOException("Could not delete log file: "
+ logFile.getAbsolutePath());
}
}
} catch (Exception e) {
new ErrorManager().error(
"FATAL ERROR: COULD NOT DELETE LOG FILE.", e,
ErrorManager.GENERIC_FAILURE);
}
}
}
/**
* A Simple rotate method to close the old file and start the new one
* when the limit is reached.
*/
public void rotate() {
final GFFileHandler thisInstance = this;
java.security.AccessController.doPrivileged(
new java.security.PrivilegedAction() {
public Object run() {
synchronized (thisInstance.rotationLock) {
if (thisInstance.meter != null
&& thisInstance.meter.written <= 0) {
return null;
}
thisInstance.flush();
thisInstance.close();
try {
if (!absoluteFile.exists()) {
File creatingDeletedLogFile = new File(
absoluteFile.getAbsolutePath());
if (creatingDeletedLogFile.createNewFile()) {
absoluteFile = creatingDeletedLogFile;
}
} else {
File oldFile = absoluteFile;
StringBuffer renamedFileName = new StringBuffer(
absoluteFile + "_");
logRotateDateFormatter.format(new Date(),
renamedFileName, new FieldPosition(0));
File rotatedFile = new File(renamedFileName
.toString());
boolean renameSuccess = oldFile
.renameTo(rotatedFile);
if (!renameSuccess) {
// If we don't succeed with file rename which
// most likely can happen on Windows because
// of multiple file handles opened. We go through
// Plan B to copy bytes explicitly to a renamed
// file.
FileUtils.copy(absoluteFile, rotatedFile);
File freshServerLogFile = getLogFileName();
// We do this to make sure that server.log
// contents are flushed out to start from a
// clean file again after the rename..
FileOutputStream fo = new FileOutputStream(
freshServerLogFile);
fo.close();
}
FileOutputStream oldFileFO = new FileOutputStream(
oldFile);
oldFileFO.close();
openFile(getLogFileName());
absoluteFile = getLogFileName();
// This will ensure that the log rotation timer
// will be restarted if there is a value set
// for time based log rotation
if (dayBasedFileRotation) {
LogRotationTimer.getInstance()
.restartTimerForDayBasedRotation();
} else {
LogRotationTimer.getInstance()
.restartTimer();
}
if (compressLogs) {
boolean compressed = gzipFile(rotatedFile);
if (compressed) {
boolean deleted = rotatedFile.delete();
if (!deleted) {
throw new IOException("Could not delete uncompressed log file: "
+ rotatedFile.getAbsolutePath());
}
} else {
throw new IOException("Could not compress log file: "
+ rotatedFile.getAbsolutePath());
}
}
cleanUpHistoryLogFiles();
}
} catch (IOException ix) {
new ErrorManager().error("Error, could not rotate log file", ix, ErrorManager.GENERIC_FAILURE);
}
return null;
}
}
}
);
}
/**
* 5005
* Retrieves the LogRecord from our Queue and store them in the file
*/
public void log() {
LogRecord record;
// take is blocking so we take one record off the queue
try {
record = pendingRecords.take();
super.publish(record);
} catch (InterruptedException e) {
return;
}
// now try to read more. we end up blocking on the above take call if nothing is in the queue
Vector v = new Vector();
int msgs = pendingRecords.drainTo(v, flushFrequency);
for (int j = 0; j < msgs; j++) {
super.publish(v.get(j));
}
flush();
if ((rotationRequested.get())
|| ((limitForFileRotation > 0)
&& (meter.written >= limitForFileRotation))) {
// If we have written more than the limit set for the
// file, or rotation requested from the Timer Task or LogMBean
// start fresh with a new file after renaming the old file.
synchronized (rotationLock) {
rotate();
rotationRequested.set(false);
}
}
}
/**
* Publishes the logrecord storing it in our queue
*/
public void publish(LogRecord record) {
// the queue has shutdown, we are not processing any more records
if (done.isSignalled()) {
return;
}
// JUL LogRecord does not capture thread-name. Create a wrapper to
// capture the name of the logging thread so that a formatter can
// output correct thread-name if done asynchronously. Note that
// this fix is limited to records published through this handler only.
// ***
// PAYARA-406 Check if the LogRecord passed in is already a GFLogRecord,
// and just cast the passed record if it is
GFLogRecord recordWrapper;
if (record.getClass().getSimpleName().equals("GFLogRecord")) {
recordWrapper = (GFLogRecord) record;
// Check there is actually a set thread name
if (recordWrapper.getThreadName() == null) {
recordWrapper.setThreadName(Thread.currentThread().getName());
}
}
else {
recordWrapper = new GFLogRecord(record);
// set the thread id to be the current thread that is logging the message
recordWrapper.setThreadName(Thread.currentThread().getName());
}
try {
pendingRecords.add(recordWrapper);
} catch (IllegalStateException e) {
// queue is full, start waiting.
try {
pendingRecords.put(recordWrapper);
} catch (InterruptedException e1) {
// too bad, record is lost...
}
}
Formatter formatter = this.getFormatter();
if (!(formatter instanceof LogEventBroadcaster)) {
LogEvent logEvent = new LogEventImpl(record);
informLogEventListeners(logEvent);
}
}
protected File getLogFileName() {
// return new File(new File(env.getDomainRoot(),LOGS_DIR), logFileName);
return new File(absoluteServerLogName);
}
public boolean addLogEventListener(LogEventListener listener) {
if (logEventListeners.contains(listener)) {
return false;
}
return logEventListeners.add(listener);
}
public boolean removeLogEventListener(LogEventListener listener) {
return logEventListeners.remove(listener);
}
public void informLogEventListeners(LogEvent logEvent) {
for (LogEventListener listener : logEventListeners) {
listener.messageLogged(logEvent);
}
}
private boolean gzipFile(File infile) {
boolean status = false;
try (
FileInputStream fis = new FileInputStream(infile);
FileOutputStream fos = new FileOutputStream(infile.getCanonicalPath() + GZIP_EXTENSION);
GZIPOutputStream gzos = new GZIPOutputStream(fos);
) {
byte[] buffer = new byte[1024];
int len;
while ((len=fis.read(buffer)) != -1 ) {
gzos.write(buffer, 0, len);
}
gzos.finish();
status = true;
} catch (IOException ix) {
new ErrorManager().error("Error gzipping log file", ix, ErrorManager.GENERIC_FAILURE);
}
return status;
}
}
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