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<?php
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @package log4php
*/
/**
* The internal representation of logging event.
*
* @version $Revision: 1382273 $
* @package log4php
*/
class LoggerLoggingEvent {
private static $startTime;
/**
* @var string Fully Qualified Class Name of the calling category class.
*/
private $fqcn;
/**
* @var Logger reference
*/
private $logger;
/**
* The category (logger) name.
* This field will be marked as private in future
* releases. Please do not access it directly.
* Use the {@link getLoggerName()} method instead.
* @deprecated
*/
private $categoryName;
/**
* Level of the logging event.
* @var LoggerLevel
*/
protected $level;
/**
* The nested diagnostic context (NDC) of logging event.
* @var string
*/
private $ndc;
/**
* Have we tried to do an NDC lookup? If we did, there is no need
* to do it again. Note that its value is always false when
* serialized. Thus, a receiving SocketNode will never use it's own
* (incorrect) NDC. See also writeObject method.
* @var boolean
*/
private $ndcLookupRequired = true;
/**
* @var mixed The application supplied message of logging event.
*/
private $message;
/**
* The application supplied message rendered through the log4php
* objet rendering mechanism. At present renderedMessage == message.
* @var string
*/
private $renderedMessage;
/**
* The name of thread in which this logging event was generated.
* log4php saves here the process id via {@link PHP_MANUAL#getmypid getmypid()}
* @var mixed
*/
private $threadName;
/**
* The number of seconds elapsed from 1/1/1970 until logging event
* was created plus microseconds if available.
* @var float
*/
public $timeStamp;
/**
* @var LoggerLocationInfo Location information for the caller.
*/
private $locationInfo;
/**
* @var LoggerThrowableInformation log4php internal representation of throwable
*/
private $throwableInfo;
/**
* Instantiate a LoggingEvent from the supplied parameters.
*
* Except {@link $timeStamp} all the other fields of
* LoggerLoggingEvent are filled when actually needed.
*
* @param string $fqcn name of the caller class.
* @param mixed $logger The {@link Logger} category of this event or the logger name.
* @param LoggerLevel $level The level of this event.
* @param mixed $message The message of this event.
* @param integer $timeStamp the timestamp of this logging event.
* @param Exception $throwable The throwable associated with logging event
*/
public function __construct($fqcn, $logger, LoggerLevel $level, $message, $timeStamp = null, $throwable = null) {
$this->fqcn = $fqcn;
if($logger instanceof Logger) {
$this->logger = $logger;
$this->categoryName = $logger->getName();
} else {
$this->categoryName = strval($logger);
}
$this->level = $level;
$this->message = $message;
if($timeStamp !== null && is_numeric($timeStamp)) {
$this->timeStamp = $timeStamp;
} else {
$this->timeStamp = microtime(true);
}
if ($throwable !== null && $throwable instanceof Exception) {
$this->throwableInfo = new LoggerThrowableInformation($throwable);
}
}
/**
* Returns the full qualified classname.
* TODO: PHP does contain namespaces in 5.3. Those should be returned too,
*/
public function getFullQualifiedClassname() {
return $this->fqcn;
}
/**
* Set the location information for this logging event. The collected
* information is cached for future use.
*
* <p>This method uses {@link PHP_MANUAL#debug_backtrace debug_backtrace()} function (if exists)
* to collect informations about caller.</p>
* <p>It only recognize informations generated by {@link Logger} and its subclasses.</p>
* @return LoggerLocationInfo
*/
public function getLocationInformation() {
if($this->locationInfo === null) {
$locationInfo = array();
$trace = debug_backtrace();
$prevHop = null;
// make a downsearch to identify the caller
$hop = array_pop($trace);
while($hop !== null) {
if(isset($hop['class'])) {
// we are sometimes in functions = no class available: avoid php warning here
$className = strtolower($hop['class']);
if(!empty($className) and ($className == 'logger' or
strtolower(get_parent_class($className)) == 'logger')) {
$locationInfo['line'] = $hop['line'];
$locationInfo['file'] = $hop['file'];
break;
}
}
$prevHop = $hop;
$hop = array_pop($trace);
}
$locationInfo['class'] = isset($prevHop['class']) ? $prevHop['class'] : 'main';
if(isset($prevHop['function']) and
$prevHop['function'] !== 'include' and
$prevHop['function'] !== 'include_once' and
$prevHop['function'] !== 'require' and
$prevHop['function'] !== 'require_once') {
$locationInfo['function'] = $prevHop['function'];
} else {
$locationInfo['function'] = 'main';
}
$this->locationInfo = new LoggerLocationInfo($locationInfo, $this->fqcn);
}
return $this->locationInfo;
}
/**
* Return the level of this event. Use this form instead of directly
* accessing the {@link $level} field.
* @return LoggerLevel
*/
public function getLevel() {
return $this->level;
}
/**
* Returns the logger which created the event.
* @return Logger
*/
public function getLogger() {
return $this->logger;
}
/**
* Return the name of the logger. Use this form instead of directly
* accessing the {@link $categoryName} field.
* @return string
*/
public function getLoggerName() {
return $this->categoryName;
}
/**
* Return the message for this logging event.
* @return mixed
*/
public function getMessage() {
return $this->message;
}
/**
* This method returns the NDC for this event. It will return the
* correct content even if the event was generated in a different
* thread or even on a different machine. The {@link LoggerNDC::get()} method
* should <b>never</b> be called directly.
* @return string
*/
public function getNDC() {
if($this->ndcLookupRequired) {
$this->ndcLookupRequired = false;
$this->ndc = LoggerNDC::get();
}
return $this->ndc;
}
/**
* Returns the the context corresponding to the <code>key</code>
* parameter.
* @return string
*/
public function getMDC($key) {
return LoggerMDC::get($key);
}
/**
* Returns the entire MDC context.
* @return array
*/
public function getMDCMap () {
return LoggerMDC::getMap();
}
/**
* Render message.
* @return string
*/
public function getRenderedMessage() {
if($this->renderedMessage === null and $this->message !== null) {
if(is_string($this->message)) {
$this->renderedMessage = $this->message;
} else {
$rendererMap = Logger::getHierarchy()->getRendererMap();
$this->renderedMessage= $rendererMap->findAndRender($this->message);
}
}
return $this->renderedMessage;
}
/**
* Returns the time when the application started, as a UNIX timestamp
* with microseconds.
* @return float
*/
public static function getStartTime() {
if(!isset(self::$startTime)) {
self::$startTime = microtime(true);
}
return self::$startTime;
}
/**
* @return float
*/
public function getTimeStamp() {
return $this->timeStamp;
}
/**
* Returns the time in seconds passed from the beginning of execution to
* the time the event was constructed.
*
* @return float Seconds with microseconds in decimals.
*/
public function getRelativeTime() {
return $this->timeStamp - self::$startTime;
}
/**
* Returns the time in milliseconds passed from the beginning of execution
* to the time the event was constructed.
*
* @deprecated This method has been replaced by getRelativeTime which
* does not perform unneccesary multiplication and formatting.
*
* @return integer
*/
public function getTime() {
$eventTime = $this->getTimeStamp();
$eventStartTime = LoggerLoggingEvent::getStartTime();
return number_format(($eventTime - $eventStartTime) * 1000, 0, '', '');
}
/**
* @return mixed
*/
public function getThreadName() {
if ($this->threadName === null) {
$this->threadName = (string)getmypid();
}
return $this->threadName;
}
/**
* @return mixed LoggerThrowableInformation
*/
public function getThrowableInformation() {
return $this->throwableInfo;
}
/**
* Serialize this object
* @return string
*/
public function toString() {
serialize($this);
}
/**
* Avoid serialization of the {@link $logger} object
*/
public function __sleep() {
return array(
'fqcn',
'categoryName',
'level',
'ndc',
'ndcLookupRequired',
'message',
'renderedMessage',
'threadName',
'timeStamp',
'locationInfo',
);
}
}
LoggerLoggingEvent::getStartTime();