Horde_Ldap::_reconnect PHP Метод

    protected function _reconnect()
    {
        /* Return if we are already connected. */
        if ($this->_link) {
            return;
        }
        /* Sleep for a backoff period in seconds. */
        sleep($this->_config['current_backoff']);
        /* Retry all available connections. */
        $this->_downHostList = array();
        try {
            $this->_connect();
        } catch (Horde_Ldap_Exception $e) {
            $this->_config['current_backoff'] *= 2;
            if ($this->_config['current_backoff'] > $this->_config['max_backoff']) {
                $this->_config['current_backoff'] = $this->_config['max_backoff'];
            }
            throw $e;
        }
        /* Now we should be able to safely (re-)bind. */
        try {
            $this->bind();
        } catch (Exception $e) {
            $this->_config['current_backoff'] *= 2;
            if ($this->_config['current_backoff'] > $this->_config['max_backoff']) {
                $this->_config['current_backoff'] = $this->_config['max_backoff'];
            }
            /* $this->_config['hostspec'] should have had the last connected
             * host stored in it by _connect().  Since we are unable to
             * bind to that host we can safely assume that it is down or has
             * some other problem. */
            $this->_downHostList[] = $this->_config['hostspec'];
            throw $e;
        }
        /* At this stage we have connected, bound, and set up options, so we
         * have a known good LDAP server. Time to go home. */
        $this->_config['current_backoff'] = $this->_config['min_backoff'];
    }