public function __construct(array $configs)
{
foreach ($configs as $name => $config) {
$check = new Memcache($config['host'], $config['port']);
$check->setLabel(sprintf('Memcache "%s"', $name));
$this->checks[sprintf('memcache_%s', $name)] = $check;
}
}
/**
* @see ZendDiagnostics\CheckInterface::check()
*/
public function check()
{
if (!class_exists('Memcache', false)) {
return new Failure('Memcache extension is not loaded');
}
try {
$memcache = new \Memcache();
$memcache->addServer($this->host, $this->port);
$stats = @$memcache->getExtendedStats();
if (!$stats || !is_array($stats) || !isset($stats[$this->host . ':' . $this->port]) || $stats[$this->host . ':' . $this->port] === false) {
// Attempt a connection to make sure that the server is really down
if (!@$memcache->connect($this->host, $this->port)) {
return new Failure(sprintf('No memcache server running at host %s on port %s', $this->host, $this->port));
}
}
} catch (\Exception $e) {
return new Failure($e->getMessage());
}
return new Success(sprintf('Memcache server running at host %s on port %s', $this->host, $this->port));
}
