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<?php
/**
* Statistics logger that writes to the default logging handler.
*
* @package simpleSAMLphp
*/
class sspmod_core_Stats_Output_Log extends SimpleSAML_Stats_Output {
/**
* The logging function we should call.
* @var callback
*/
private $logger;
/**
* Initialize the output.
*
* @param SimpleSAML_Configuration $config The configuration for this output.
*/
public function __construct(SimpleSAML_Configuration $config) {
$logLevel = $config->getString('level', 'notice');
$this->logger = array('SimpleSAML_Logger', $logLevel);
if (!is_callable($this->logger)) {
throw new Exception('Invalid log level: ' . var_export($logLevel, TRUE));
}
}
/**
* Write a stats event.
*
* @param string $data The event (as a JSON string).
*/
public function emit(array $data) {
$str_data = json_encode($data);
call_user_func($this->logger, 'EVENT ' . $str_data);
}
}
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