Add syslog support (experimental)

rainloop/v/0.0.0/app/libraries/MailSo/Log/Drivers/Syslog.php

@@ -0,0 +1,81 @@
+<?php
+
+/*
+ * This file is part of MailSo.
+ *
+ * (c) 2014 Usenko Timur
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace MailSo\Log\Drivers;
+
+/**
+ * @category MailSo
+ * @package Log
+ * @subpackage Drivers
+ */
+class Syslog extends \MailSo\Log\Driver
+{
+	private $iLogLevel;
+
+	/**
+	 * @access protected
+	 */
+	protected function __construct()
+	{
+		parent::__construct();
+
+		$this->iLogLevel = \defined('LOG_INFO') ? LOG_INFO : 6;
+
+		if (\function_exists('openlog') && \function_exists('closelog') && \defined('LOG_ODELAY') && \defined('LOG_USER'))
+		{
+			\openlog('rainloop', LOG_ODELAY, LOG_USER);
+
+			\register_shutdown_function(function () {
+				@\closelog();
+			});
+		}
+		else
+		{
+			$this->iLogLevel = null;
+		}
+	}
+
+	/**
+	 * @return \MailSo\Log\Drivers\Syslog
+	 */
+	public static function NewInstance()
+	{
+		return new self();
+	}
+
+	/**
+	 * @param string|array $mDesc
+	 *
+	 * @return bool
+	 */
+	protected function writeImplementation($mDesc)
+	{
+		if (null === $this->iLogLevel)
+		{
+			return false;
+		}
+
+		if (\is_array($mDesc))
+		{
+			$mDesc = \implode($this->sNewLine, $mDesc);
+		}
+
+		return \syslog($this->iLogLevel, $mDesc);
+	}
+
+	/**
+	 * @return bool
+	 */
+	protected function clearImplementation()
+	{
+		return true;
+	}
+}