/** * Do initialization. * * @throws Horde_Memcache_Exception */ public function _init() { if (class_exists('Memcached')) { if (empty($this->_params['persistent'])) { $this->_memcache = new Memcached(); } else { $this->_memcache = new Memcached('horde_memcache'); } $this->_params['large_items'] = false; $this->_memcache->setOptions(array(Memcached::OPT_COMPRESSION => $this->_params['compression'], Memcached::OPT_DISTRIBUTION => Memcached::DISTRIBUTION_CONSISTENT, Memcached::OPT_HASH => Memcached::HASH_MD5, Memcached::OPT_LIBKETAMA_COMPATIBLE => true, Memcached::OPT_PREFIX_KEY => $this->_params['prefix'])); } else { // Force consistent hashing ini_set('memcache.hash_strategy', 'consistent'); $this->_memcache = new Memcache(); } for ($i = 0, $n = count($this->_params['hostspec']); $i < $n; ++$i) { if ($this->_memcache instanceof Memcached) { $res = $this->_memcache->addServer($this->_params['hostspec'][$i], empty($this->_params['port'][$i]) ? 0 : $this->_params['port'][$i], !empty($this->_params['weight'][$i]) ? $this->_params['weight'][$i] : 0); } else { $res = $this->_memcache->addServer($this->_params['hostspec'][$i], empty($this->_params['port'][$i]) ? 0 : $this->_params['port'][$i], !empty($this->_params['persistent']), !empty($this->_params['weight'][$i]) ? $this->_params['weight'][$i] : 1, 1, 15, true, array($this, 'failover')); } if ($res) { $this->_servers[] = $this->_params['hostspec'][$i] . (!empty($this->_params['port'][$i]) ? ':' . $this->_params['port'][$i] : ''); } } /* Check if any of the connections worked. */ if (empty($this->_servers)) { throw new Horde_Memcache_Exception('Could not connect to any defined memcache servers.'); } if ($this->_memcache instanceof Memcache && !empty($this->_params['c_threshold'])) { $this->_memcache->setCompressThreshold($this->_params['c_threshold']); } if (isset($this->_params['logger'])) { $this->_logger = $this->_params['logger']; $this->_logger->log('Connected to the following memcache servers:' . implode($this->_servers, ', '), 'DEBUG'); } }