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<?php
/*
* This file is part of SwiftMailer.
* (c) 2004-2009 Chris Corbyn
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* An ESMTP handler.
*
* @author Chris Corbyn
*/
interface Swift_Transport_EsmtpHandler
{
/**
* Get the name of the ESMTP extension this handles.
*
* @return string
*/
public function getHandledKeyword();
/**
* Set the parameters which the EHLO greeting indicated.
*
* @param string[] $parameters
*/
public function setKeywordParams(array $parameters);
/**
* Runs immediately after a EHLO has been issued.
*
* @param Swift_Transport_SmtpAgent $agent to read/write
*/
public function afterEhlo(Swift_Transport_SmtpAgent $agent);
/**
* Get params which are appended to MAIL FROM:<>.
*
* @return string[]
*/
public function getMailParams();
/**
* Get params which are appended to RCPT TO:<>.
*
* @return string[]
*/
public function getRcptParams();
/**
* Runs when a command is due to be sent.
*
* @param Swift_Transport_SmtpAgent $agent to read/write
* @param string $command to send
* @param int[] $codes expected in response
* @param string[] $failedRecipients to collect failures
* @param bool $stop to be set true by-reference if the command is now sent
*/
public function onCommand(Swift_Transport_SmtpAgent $agent, $command, $codes = [], &$failedRecipients = null, &$stop = false);
/**
* Returns +1, -1 or 0 according to the rules for usort().
*
* This method is called to ensure extensions can be execute in an appropriate order.
*
* @param string $esmtpKeyword to compare with
*
* @return int
*/
public function getPriorityOver($esmtpKeyword);
/**
* Returns an array of method names which are exposed to the Esmtp class.
*
* @return string[]
*/
public function exposeMixinMethods();
/**
* Tells this handler to clear any buffers and reset its state.
*/
public function resetState();
}
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