reconnect.php
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reconnect.php
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	<?php
	/**
	* RoundCube Reconnect Plugin
	*
	* @version 0.1
	* @author Sandro Knauß <hefee@debian.org>
	* @license GPLv3+
	*/
	class reconnect extends rcube_plugin
	{
	private $max_attempts;

	function init()
	{
	$rcmail = rcmail::get_instance();

	$this->load_config();

	$this->imap_max_attempts = $rcmail->config->get('reconnect_imap_max_attempts', 5);

	$this->add_hook('storage_connect', array($this, 'storage_connect'));
	}

	function storage_connect($args)
	{
	$args['retry'] = ($args['attempt'] <= $this->imap_max_attempts);

	if ($args['attempt'] == 1) {
	return $args;
	}

	$storage = rcmail::get_instance()->get_storage();
	switch ($storage->get_error_code()) {
	case rcube_imap_generic::ERROR_NO:
	case rcube_imap_generic::ERROR_BAD:
	case rcube_imap_generic::ERROR_BYE:
	$args['retry'] = false;
	break;
	}

	if ($args['retry']) {
	// if we do a new attempt, sleep 50 to 150ms before retry.
	usleep(rand(501000, 1501000));
	}

	return $args;
	}
	}