diff options
Diffstat (limited to 'modules-available/dnbd3/inc/dnbd3rpc.inc.php')
| -rw-r--r-- | modules-available/dnbd3/inc/dnbd3rpc.inc.php | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/modules-available/dnbd3/inc/dnbd3rpc.inc.php b/modules-available/dnbd3/inc/dnbd3rpc.inc.php index 27713bfb..35d79a31 100644 --- a/modules-available/dnbd3/inc/dnbd3rpc.inc.php +++ b/modules-available/dnbd3/inc/dnbd3rpc.inc.php @@ -2,6 +2,10 @@ class Dnbd3Rpc { + const QUERY_UNREACHABLE = 1; + const QUERY_NOT_200 = 2; + const QUERY_NOT_JSON = 3; + /** * Query given DNBD3 server for status information. * @@ -11,7 +15,7 @@ class Dnbd3Rpc { * @param bool $clients include client list * @param bool $images include image list * @param bool $diskSpace include disk space stats - * @return false|array the queried data as an array, or false on error + * @return int|array the queried data as an array, or false on error */ public static function query($server, $port, $stats, $clients, $images, $diskSpace) { @@ -33,9 +37,14 @@ class Dnbd3Rpc { $url .= 'q=space&'; } $str = Download::asString($url, 3, $code); - if ($str === false || $code !== 200) - return false; - return json_decode($str, true); + if ($str === false) + return self::QUERY_UNREACHABLE; + if ($code !== 200) + return self::QUERY_NOT_200; + $ret = json_decode($str, true); + if (!is_array($ret)) + return self::QUERY_NOT_JSON; + return $ret; } } |