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<?php
class Dnbd3 {
const PROP_ENABLED = 'dnbd3.enabled';
const PROP_NFS_FALLBACK = 'dnbd3.nfs-fallback';
public static function isEnabled(): bool
{
return (bool)Property::get(self::PROP_ENABLED, 0);
}
public static function setEnabled($bool)
{
Property::set(self::PROP_ENABLED, $bool ? 1 : 0);
Trigger::mount(false, true);
}
public static function hasNfsFallback(): bool
{
return (bool)Property::get(self::PROP_NFS_FALLBACK, 0);
}
public static function setNfsFallback($bool)
{
Property::set(self::PROP_NFS_FALLBACK, $bool ? 1 : 0);
}
public static function getActiveServers(): array
{
$res = Database::simpleQuery('SELECT s.serverid, m.clientip, s.fixedip
FROM dnbd3_server s
LEFT JOIN machine m ON (s.machineuuid = m.machineuuid)
WHERE s.lastseen > :cutoff', ['cutoff' => time() - 310]);
$lookup = [];
foreach ($res as $row) {
$lookup[$row['fixedip'] ?? $row['clientip'] ?? ''] = $row['serverid'];
}
return $lookup;
}
}
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