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<?php
declare(strict_types=1);
namespace SimpleSAML\Module\core\Stats\Output;
use SimpleSAML\Configuration;
use SimpleSAML\Logger;
/**
* Statistics logger that writes to the default logging handler.
*
* @package SimpleSAMLphp
*/
class Log extends \SimpleSAML\Stats\Output
{
/**
* The logging function we should call.
* @var callable
*/
private $logger;
/**
* Initialize the output.
*
* @param \SimpleSAML\Configuration $config The configuration for this output.
* @throws \Exception
*/
public function __construct(Configuration $config)
{
$logLevel = $config->getString('level', 'notice');
$this->logger = [Logger::class, $logLevel];
if (!is_callable($this->logger)) {
throw new \Exception('Invalid log level: ' . var_export($logLevel, true));
}
}
/**
* Write a stats event.
*
* @param array $data The event
* @return void
*/
public function emit(array $data)
{
$str_data = json_encode($data);
call_user_func($this->logger, 'EVENT ' . $str_data);
}
}
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