lbrypress/classes/LBRY_Daemon_Logger.php

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<?php
/**
* A class for logging LBRY Daemon interactions
*
* @package LBRYPress
*/
class LBRY_Daemon_Logger
{
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/**
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* The directory to log to
* @var string
*/
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private $dir = LBRY_ABSPATH . 'logs/';
/**
* The filename to log to
* @var string
*/
private $filename;
/**
* The file ext
* @var string
*/
private $ext = '.log';
/**
* Max size of the file before rotating
* @var int
*/
private $maxsize = 15728640; // 15MB;
/**
* @param string $filename unique name for this logger to log to
*/
public function __construct($filename = 'daemon')
{
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$this->filename = $filename;
}
/**
* Log to a file, with file size maximum. Adds hashs to old files
*
* @param string $event
* @param string $text
*/
public function log($event, $message = null)
{
$filepath = $this->dir . $this->filename . $this->ext;
// If our file is past our size limit, stash it
if (file_exists($filepath) && filesize($filepath) > $this->maxsize) {
rename($filepath, $this->dir . $this->filename . time() . $this->ext);
$logfiles = scandir($this->dir);
// If we have to many files, delete the oldest one
if (count($logfiles) > 7) {
$oldest = PHP_INT_MAX;
foreach ($logfiles as $file) {
if (!strstr($file, $this->filename)) {
continue;
}
$stamp = substr($file, strlen($this->filename));
$stamp = str_replace($this->ext, '', $stamp);
if ($stamp && $stamp < $oldest) {
$oldest = $stamp;
}
}
foreach ($logfiles as $file) {
if (strstr($file, $this->filename) && strstr($file, $oldest)) {
unlink($this->dir . $file);
break;
}
}
}
}
$date = date('Y-m-d H:i:s');
$space = str_repeat(' ', strlen($date) + 1);
$data = date('Y-m-d H:i:s') . " ";
$data .= "EVENT: " . $event . PHP_EOL;
$data .= $space . "MESSAGE: " . $message . PHP_EOL;
file_put_contents($filepath, $data, FILE_APPEND);
}
}