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<?php
/**
* Sanity check for memcache servers.
*
* This function verifies that all memcache servers work.
*
* @param array &$hookinfo hookinfo
* @return void
*/
function memcacheMonitor_hook_sanitycheck(&$hookinfo)
{
assert(is_array($hookinfo));
assert(array_key_exists('errors', $hookinfo));
assert(array_key_exists('info', $hookinfo));
try {
$servers = \SimpleSAML\Memcache::getRawStats();
} catch (\Exception $e) {
$hookinfo['errors'][] = '[memcacheMonitor] Error parsing memcache configuration: '.$e->getMessage();
return;
}
$allOK = true;
foreach ($servers as $group) {
foreach ($group as $server => $status) {
if ($status === false) {
$hookinfo['errors'][] = '[memcacheMonitor] No response from server: '.$server;
$allOK = false;
}
}
}
if ($allOK) {
$hookinfo['info'][] = '[memcacheMonitor] All servers responding.';
}
}
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