89 lines
2.5 KiB
PHP
89 lines
2.5 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Robin Appelman
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* @copyright 2012 Robin Appelman icewind1991@gmail.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* logging utilities
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*
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* Log is saved at data/owncloud.log (on default)
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*/
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class OC_Log_Owncloud {
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static protected $logFile;
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/**
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* Init class data
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*/
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public static function init() {
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$datadir=OC_Config::getValue( "datadirectory", OC::$SERVERROOT.'/data' );
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self::$logFile=OC_Config::getValue( "logfile", $datadir.'/owncloud.log' );
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}
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/**
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* write a message in the log
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* @param string $app
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* @param string $message
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* @param int level
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*/
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public static function write($app, $message, $level) {
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$minLevel=min(OC_Config::getValue( "loglevel", OC_Log::WARN ),OC_Log::ERROR);
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if($level>=$minLevel){
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$entry=array('app'=>$app, 'message'=>$message, 'level'=>$level,'time'=>time());
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$fh=fopen(self::$logFile, 'a');
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fwrite($fh, json_encode($entry)."\n");
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fclose($fh);
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}
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}
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/**
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* get entries from the log in reverse chronological order
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* @param int limit
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* @param int offset
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* @return array
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*/
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public static function getEntries($limit=50, $offset=0){
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self::init();
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$minLevel=OC_Config::getValue( "loglevel", OC_Log::WARN );
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$entries = array();
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$handle = @fopen(self::$logFile, 'r');
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if ($handle) {
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// Just a guess to set the file pointer to the right spot
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$maxLineLength = 150;
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fseek($handle, -($limit * $maxLineLength + $offset * $maxLineLength), SEEK_END);
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// Skip first line, because it is most likely a partial line
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fgets($handle);
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while (!feof($handle)) {
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$line = fgets($handle);
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if (!empty($line)) {
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$entry = json_decode($line);
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if ($entry->level >= $minLevel) {
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$entries[] = $entry;
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}
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}
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}
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fclose($handle);
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// Extract the needed entries and reverse the order
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$entries = array_reverse(array_slice($entries, -($limit + $offset), $limit));
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}
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return $entries;
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}
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}
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