From 07f5140771388c9e0c8a99b0dd2e5d950bdb173b Mon Sep 17 00:00:00 2001
From: Yuchen Pei <hi@ypei.me>
Date: Thu, 14 Oct 2021 15:16:42 +1100
Subject: moving h-source subdir out.

---
 .../lib/classes/Swift/Plugins/AntiFloodPlugin.php  | 147 +++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php

(limited to 'External/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php')

diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php b/External/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php
new file mode 100755
index 0000000..46a7f44
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php
@@ -0,0 +1,147 @@
+<?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);
+    }
+  }
+  
+}
-- 
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