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lakoyani/e-learn.mltcfiji.com/vendor/monolog/monolog/src/Monolog/Handler/RotatingFileHandler.php 0000777 00000013460 14711073103 0027731 0 ustar 00 home <?php /* * This file is part of the Monolog package. * * (c) Jordi Boggiano <j.boggiano@seld.be> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Monolog\Handler; use Monolog\Logger; use Monolog\Utils; /** * Stores logs to files that are rotated every day and a limited number of files are kept. * * This rotation is only intended to be used as a workaround. Using logrotate to * handle the rotation is strongly encouraged when you can use it. * * @author Christophe Coevoet <stof@notk.org> * @author Jordi Boggiano <j.boggiano@seld.be> */ class RotatingFileHandler extends StreamHandler { const FILE_PER_DAY = 'Y-m-d'; const FILE_PER_MONTH = 'Y-m'; const FILE_PER_YEAR = 'Y'; protected $filename; protected $maxFiles; protected $mustRotate; protected $nextRotation; protected $filenameFormat; protected $dateFormat; /** * @param string $filename * @param int $maxFiles The maximal amount of files to keep (0 means unlimited) * @param int $level The minimum logging level at which this handler will be triggered * @param bool $bubble Whether the messages that are handled can bubble up the stack or not * @param int|null $filePermission Optional file permissions (default (0644) are only for owner read/write) * @param bool $useLocking Try to lock log file before doing any writes */ public function __construct($filename, $maxFiles = 0, $level = Logger::DEBUG, $bubble = true, $filePermission = null, $useLocking = false) { $this->filename = Utils::canonicalizePath($filename); $this->maxFiles = (int) $maxFiles; $this->nextRotation = new \DateTime('tomorrow'); $this->filenameFormat = '{filename}-{date}'; $this->dateFormat = 'Y-m-d'; parent::__construct($this->getTimedFilename(), $level, $bubble, $filePermission, $useLocking); } /** * {@inheritdoc} */ public function close() { parent::close(); if (true === $this->mustRotate) { $this->rotate(); } } /** * {@inheritdoc} */ public function reset() { parent::reset(); if (true === $this->mustRotate) { $this->rotate(); } } public function setFilenameFormat($filenameFormat, $dateFormat) { if (!preg_match('{^Y(([/_.-]?m)([/_.-]?d)?)?$}', $dateFormat)) { trigger_error( 'Invalid date format - format must be one of '. 'RotatingFileHandler::FILE_PER_DAY ("Y-m-d"), RotatingFileHandler::FILE_PER_MONTH ("Y-m") '. 'or RotatingFileHandler::FILE_PER_YEAR ("Y"), or you can set one of the '. 'date formats using slashes, underscores and/or dots instead of dashes.', E_USER_DEPRECATED ); } if (substr_count($filenameFormat, '{date}') === 0) { trigger_error( 'Invalid filename format - format should contain at least `{date}`, because otherwise rotating is impossible.', E_USER_DEPRECATED ); } $this->filenameFormat = $filenameFormat; $this->dateFormat = $dateFormat; $this->url = $this->getTimedFilename(); $this->close(); } /** * {@inheritdoc} */ protected function write(array $record) { // on the first record written, if the log is new, we should rotate (once per day) if (null === $this->mustRotate) { $this->mustRotate = !file_exists($this->url); } if ($this->nextRotation < $record['datetime']) { $this->mustRotate = true; $this->close(); } parent::write($record); } /** * Rotates the files. */ protected function rotate() { // update filename $this->url = $this->getTimedFilename(); $this->nextRotation = new \DateTime('tomorrow'); // skip GC of old logs if files are unlimited if (0 === $this->maxFiles) { return; } $logFiles = glob($this->getGlobPattern()); if ($this->maxFiles >= count($logFiles)) { // no files to remove return; } // Sorting the files by name to remove the older ones usort($logFiles, function ($a, $b) { return strcmp($b, $a); }); foreach (array_slice($logFiles, $this->maxFiles) as $file) { if (is_writable($file)) { // suppress errors here as unlink() might fail if two processes // are cleaning up/rotating at the same time set_error_handler(function ($errno, $errstr, $errfile, $errline) {}); unlink($file); restore_error_handler(); } } $this->mustRotate = false; } protected function getTimedFilename() { $fileInfo = pathinfo($this->filename); $timedFilename = str_replace( array('{filename}', '{date}'), array($fileInfo['filename'], date($this->dateFormat)), $fileInfo['dirname'] . '/' . $this->filenameFormat ); if (!empty($fileInfo['extension'])) { $timedFilename .= '.'.$fileInfo['extension']; } return $timedFilename; } protected function getGlobPattern() { $fileInfo = pathinfo($this->filename); $glob = str_replace( array('{filename}', '{date}'), array($fileInfo['filename'], '[0-9][0-9][0-9][0-9]*'), $fileInfo['dirname'] . '/' . $this->filenameFormat ); if (!empty($fileInfo['extension'])) { $glob .= '.'.$fileInfo['extension']; } return $glob; } }
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