From 8df3db566a3a937b45ebf11adb90d265e6f5e2d4 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sun, 17 Nov 2019 20:45:02 +0100
Subject: initial checking of customized version 1.0rc9

---
 .../lib/classes/Swift/Plugins/AntiFloodPlugin.php  | 141 +++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 vendor/swiftmailer/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php

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

diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php
new file mode 100644
index 0000000..a2ec2ab
--- /dev/null
+++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php
@@ -0,0 +1,141 @@
+<?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.
+ */
+
+/**
+ * Reduces network flooding when sending large amounts of mail.
+ *
+ * @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
+     */
+    private $_threshold;
+
+    /**
+     * The number of seconds to sleep for during a restart.
+     *
+     * @var int
+     */
+    private $_sleep;
+
+    /**
+     * The internal counter.
+     *
+     * @var int
+     */
+    private $_counter = 0;
+
+    /**
+     * The Sleeper instance for sleeping.
+     *
+     * @var Swift_Plugins_Sleeper
+     */
+    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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