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<?php
/**
 * Copyright 2014-2017 Horde LLC (http://www.horde.org/)
 *
 * See the enclosed file COPYING for license information (LGPL). If you
 * did not receive this file, see http://www.horde.org/licenses/lgpl21.
 *
 * @category  Horde
 * @copyright 2014-2017 Horde LLC
 * @license   http://www.horde.org/licenses/lgpl21 LGPL 2.1
 * @package   Imap_Client
 */

/**
 * Base class for stream connection to remote mail server.
 *
 * NOTE: This class is NOT intended to be accessed outside of the package.
 * There is NO guarantees that the API of this class will not change across
 * versions.
 *
 * @author    Michael Slusarz <slusarz@horde.org>
 * @category  Horde
 * @copyright 2014-2017 Horde LLC
 * @internal
 * @license   http://www.horde.org/licenses/lgpl21 LGPL 2.1
 * @package   Imap_Client
 */
class Horde_Imap_Client_Socket_Connection_Base extends Horde\Socket\Client
{
    /**
     * Protocol type.
     *
     * @var string
     */
    protected $_protocol = 'imap';

/**
     */
    protected function _connect($host, $port, $timeout, $secure, $context, $retries = 0)
    {
        if ($retries || !$this->_params['debug']->debug) {
            $timer = null;
        } else {
            $url = ($this->_protocol == 'imap')
                ? new Horde_Imap_Client_Url_Imap()
                : new Horde_Imap_Client_Url_Pop3();
            $url->host = $host;
            $url->port = $port;
            $this->_params['debug']->info(sprintf(
                'Connection to: %s',
                strval($url)
            ));

$timer = new Horde_Support_Timer();
            $timer->push();
        }

try {
            parent::_connect($host, $port, $timeout, $secure, $context, $retries);
        } catch (Horde\Socket\Client\Exception $e) {
            $this->_params['debug']->info(sprintf(
                'Connection failed: %s',
                $e->getMessage()
            ));
            throw $e;
        }

if ($timer) {
            $this->_params['debug']->info(sprintf(
                'Server connection took %s seconds.',
                round($timer->pop(), 4)
            ));
        }
    }

}