<?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.
*/
/**
* Wraps an IoBuffer to send/receive SMTP commands/responses.
*
* @author Chris Corbyn
*/
interface Swift_Transport_SmtpAgent
{
/**
* Get the IoBuffer where read/writes are occurring.
*
* @return Swift_Transport_IoBuffer
*/
public function getBuffer();
/**
* Run a command against the buffer, expecting the given response codes.
*
* If no response codes are given, the response will not be validated.
* If codes are given, an exception will be thrown on an invalid response.
*
* @param string $command
* @param int[] $codes
* @param string[] $failures An array of failures by-reference
*/
public function executeCommand($command, $codes = [], &$failures = null);
}