148 lines
3.0 KiB
PHP
148 lines
3.0 KiB
PHP
<?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.
|
|
*/
|
|
|
|
//@require 'Swift/Events/SendListener.php';
|
|
//@require 'Swift/Events/SendEvent.php';
|
|
//@require 'Swift/Plugins/Sleeper.php';
|
|
|
|
/**
|
|
* Reduces network flooding when sending large amounts of mail.
|
|
* @package Swift
|
|
* @subpackage Plugins
|
|
* @author Chris Corbyn
|
|
*/
|
|
class Swift_Plugins_AntiFloodPlugin
|
|
implements Swift_Events_SendListener, Swift_Plugins_Sleeper
|
|
{
|
|
|
|
/**
|
|
* The number of emails to send before restarting Transport.
|
|
* @var int
|
|
* @access private
|
|
*/
|
|
private $_threshold;
|
|
|
|
/**
|
|
* The number of seconds to sleep for during a restart.
|
|
* @var int
|
|
* @access private
|
|
*/
|
|
private $_sleep;
|
|
|
|
/**
|
|
* The internal counter.
|
|
* @var int
|
|
* @access private
|
|
*/
|
|
private $_counter = 0;
|
|
|
|
/**
|
|
* The Sleeper instance for sleeping.
|
|
* @var Swift_Plugins_Sleeper
|
|
* @access private
|
|
*/
|
|
private $_sleeper;
|
|
|
|
/**
|
|
* Create a new AntiFloodPlugin with $threshold and $sleep time.
|
|
* @param int $threshold
|
|
* @param int $sleep time
|
|
* @param Swift_Plugins_Sleeper $sleeper (not needed really)
|
|
*/
|
|
public function __construct($threshold = 99, $sleep = 0,
|
|
Swift_Plugins_Sleeper $sleeper = null)
|
|
{
|
|
$this->setThreshold($threshold);
|
|
$this->setSleepTime($sleep);
|
|
$this->_sleeper = $sleeper;
|
|
}
|
|
|
|
/**
|
|
* Set the number of emails to send before restarting.
|
|
* @param int $threshold
|
|
*/
|
|
public function setThreshold($threshold)
|
|
{
|
|
$this->_threshold = $threshold;
|
|
}
|
|
|
|
/**
|
|
* Get the number of emails to send before restarting.
|
|
* @return int
|
|
*/
|
|
public function getThreshold()
|
|
{
|
|
return $this->_threshold;
|
|
}
|
|
|
|
/**
|
|
* Set the number of seconds to sleep for during a restart.
|
|
* @param int $sleep time
|
|
*/
|
|
public function setSleepTime($sleep)
|
|
{
|
|
$this->_sleep = $sleep;
|
|
}
|
|
|
|
/**
|
|
* Get the number of seconds to sleep for during a restart.
|
|
* @return int
|
|
*/
|
|
public function getSleepTime()
|
|
{
|
|
return $this->_sleep;
|
|
}
|
|
|
|
/**
|
|
* Invoked immediately before the Message is sent.
|
|
* @param Swift_Events_SendEvent $evt
|
|
*/
|
|
public function beforeSendPerformed(Swift_Events_SendEvent $evt)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Invoked immediately after the Message is sent.
|
|
* @param Swift_Events_SendEvent $evt
|
|
*/
|
|
public function sendPerformed(Swift_Events_SendEvent $evt)
|
|
{
|
|
++$this->_counter;
|
|
if ($this->_counter >= $this->_threshold)
|
|
{
|
|
$transport = $evt->getTransport();
|
|
$transport->stop();
|
|
if ($this->_sleep)
|
|
{
|
|
$this->sleep($this->_sleep);
|
|
}
|
|
$transport->start();
|
|
$this->_counter = 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sleep for $seconds.
|
|
* @param int $seconds
|
|
*/
|
|
public function sleep($seconds)
|
|
{
|
|
if (isset($this->_sleeper))
|
|
{
|
|
$this->_sleeper->sleep($seconds);
|
|
}
|
|
else
|
|
{
|
|
sleep($seconds);
|
|
}
|
|
}
|
|
|
|
}
|