friendica-github/src/Core/Logger.php

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<?php
/**
* @file src/Core/Logger.php
*/
namespace Friendica\Core;
use Friendica\Core\Config;
use Friendica\Util\DateTimeFormat;
use ReflectionClass;
/**
* @brief Logger functions
*/
class Logger extends BaseObject
{
// Log levels:
const WARNING = 0;
const INFO = 1;
const TRACE = 2;
const DEBUG = 3;
const DATA = 4;
const ALL = 5;
public static $levels = [];
/**
* @brief Get class constants, and avoid using substring.
*/
public static function getConstants()
{
$reflectionClass = new ReflectionClass(__CLASS__);
return $reflectionClass->getConstants();
}
/**
* @brief Logs the given message at the given log level
*
* @param string $msg
* @param int $level
*/
public static function log($msg, $level = self::INFO)
{
$a = self::getApp();
$debugging = Config::get('system', 'debugging');
$logfile = Config::get('system', 'logfile');
$loglevel = intval(Config::get('system', 'loglevel'));
if (
!$debugging
|| !$logfile
|| $level > $loglevel
) {
return;
}
if (count(self::$levels) == 0)
{
foreach (self::getConstants() as $k => $v)
{
$levels[$v] = $k;
}
}
$processId = session_id();
if ($processId == '')
{
$processId = $a->process_id;
}
$callers = debug_backtrace();
if (count($callers) > 1) {
$function = $callers[1]['function'];
} else {
$function = '';
}
$logline = sprintf("%s@%s\t[%s]:%s:%s:%s\t%s\n",
DateTimeFormat::utcNow(DateTimeFormat::ATOM),
$processId,
$levels[$level],
basename($callers[0]['file']),
$callers[0]['line'],
$function,
$msg
);
$stamp1 = microtime(true);
@file_put_contents($logfile, $logline, FILE_APPEND);
$a->saveTimestamp($stamp1, "file");
}
/**
* @brief An alternative logger for development.
2018-10-29 21:20:46 +00:00
* Works largely as log() but allows developers
* to isolate particular elements they are targetting
* personally without background noise
*
* @param string $msg
* @param int $level
*/
public static function devLog($msg, $level = self::INFO)
{
$a = self::getApp();
$logfile = Config::get('system', 'dlogfile');
if (!$logfile) {
return;
}
$dlogip = Config::get('system', 'dlogip');
if (!is_null($dlogip) && $_SERVER['REMOTE_ADDR'] != $dlogip)
{
return;
}
if (count(self::$levels) == 0)
{
foreach (self::getConstants() as $k => $v)
{
$levels[$v] = $k;
}
}
$processId = session_id();
if ($processId == '')
{
$processId = $a->process_id;
}
$callers = debug_backtrace();
$logline = sprintf("%s@\t%s:\t%s:\t%s\t%s\t%s\n",
DateTimeFormat::utcNow(),
$processId,
basename($callers[0]['file']),
$callers[0]['line'],
$callers[1]['function'],
$msg
);
$stamp1 = microtime(true);
@file_put_contents($logfile, $logline, FILE_APPEND);
$a->saveTimestamp($stamp1, "file");
}
}