LogFormatter.php
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<?php
namespace AlibabaCloud\Client\Log;
use DateTime;
use DateTimeZone;
use Exception;
use GuzzleHttp\MessageFormatter;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
/**
* Class LogFormatter
*
* @package AlibabaCloud\Client\Log
*/
class LogFormatter extends MessageFormatter
{
/**
* @var float
*/
private static $logStartTime = 0;
/**
* @var DateTime
*/
private static $ts;
/** @var string Template used to format log messages */
public $template;
/**
* @param string $template Log message template
*
* @throws Exception
*/
public function __construct($template)
{
parent::__construct($template);
self::$logStartTime = microtime(true);
$this->template = $template;
$timezone = new DateTimeZone(date_default_timezone_get() ?: 'UTC');
if (PHP_VERSION_ID < 70100) {
self::$ts = DateTime::createFromFormat('U.u', sprintf('%.6F', microtime(true)), $timezone);
} else {
self::$ts = new DateTime(null, $timezone);
}
}
/**
* @return float|mixed
*/
private static function getCost()
{
return microtime(true) - self::$logStartTime;
}
/**
* Returns a formatted message string.
*
* @param RequestInterface $request Request that was sent
* @param ResponseInterface $response Response that was received
* @param Exception $error Exception that was received
*
* @return string
*/
public function format(
RequestInterface $request,
ResponseInterface $response = null,
Exception $error = null
) {
$this->template = str_replace('{pid}', getmypid(), $this->template);
$this->template = str_replace('{cost}', self::getCost(), $this->template);
$this->template = str_replace('{start_time}', self::$ts->format('Y-m-d H:i:s.u'), $this->template);
return (new MessageFormatter($this->template))->format($request, $response, $error);
}
}