public static function connect()
{
if (self::$connected) {
return true;
}
// Connect using a persistent connection with the id "MC"
self::$link = new Memcached('MC');
// Set options
if (Memcached::HAVE_IGBINARY) {
/* Use the igbinary serializer if its available, its much faster and more efficient */
self::$link->setOption(Memcached::OPT_SERIALIZER, Memcached::SERIALIZER_IGBINARY);
}
self::$link->setOption(Memcached::OPT_HASH, Memcached::HASH_MD5);
self::$link->setOption(Memcached::OPT_DISTRIBUTION, Memcached::DISTRIBUTION_MODULA);
self::$link->setOption(Memcached::OPT_NO_BLOCK, true);
/* non-blocking I/O */
self::$link->setOption(Memcached::OPT_CONNECT_TIMEOUT, 50);
/* 50ms connect timeout */
if (isset(config::$conf['memcache_prefix'])) {
self::$link->setOption(Memcached::OPT_PREFIX_KEY, config::$conf['memcache_prefix']);
}
/* set the key prefix */
$status = count(self::$link->getServerList());
if (!$status) {
if (!isset(config::$conf['memcache_servers']) || !self::set_servers(config::$conf['memcache_servers'])) {
trigger_error('Unable to set Memcache server(s) in ' . __METHOD__, E_USER_WARNING);
return false;
}
foreach (self::$servers as $server) {
$status += (int) self::$link->addServer($server['ip'], $server['port'], $server['weight']);
}
}
self::$connected = (bool) $status;
return self::$connected;
}
