+
+ /**
+ * Fetch the protocol of the given server
+ *
+ * @param int $gsid Server id
+ * @return int
+ * @throws Exception
+ */
+ public static function getProtocol(int $gsid)
+ {
+ if (empty($gsid)) {
+ return null;
+ }
+
+ $gserver = DBA::selectFirst('gserver', ['protocol'], ['id' => $gsid]);
+ if (DBA::isResult($gserver)) {
+ return $gserver['protocol'];
+ }
+
+ return null;
+ }