Some cleanup, docs, and Path -> Path > RemotePath refactor.

node/Path.hpp

@@ -0,0 +1,113 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2015  ZeroTier, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --
+ *
+ * ZeroTier may be used and distributed under the terms of the GPLv3, which
+ * are available at: http://www.gnu.org/licenses/gpl-3.0.html
+ *
+ * If you would like to embed ZeroTier into a commercial application or
+ * redistribute it in a modified binary form, please contact ZeroTier Networks
+ * LLC. Start here: http://www.zerotier.com/
+ */
+
+#ifndef ZT_PATH_HPP
+#define ZT_PATH_HPP
+
+#include "Constants.hpp"
+#include "InetAddress.hpp"
+#include "Utils.hpp"
+
+namespace ZeroTier {
+
+class Path
+{
+public:
+	enum Trust
+	{
+		TRUST_NORMAL,
+		TRUST_PRIVACY,
+		TRUST_ULTIMATE
+	};
+
+	Path() :
+		_addr(),
+		_metric(0),
+		_trust(TRUST_NORMAL),
+		_reliable(false),
+		_fixed(false)
+	{
+	}
+
+	Path(const InetAddress &addr,int metric,Trust trust,bool reliable,bool fixed) :
+		_addr(addr),
+		_metric(metric),
+		_trust(trust),
+		_reliable(reliable),
+		_fixed(fixed)
+	{
+	}
+
+	/**
+	 * @return Physical address
+	 */
+	inline const InetAddress &address() const throw() { return _addr; }
+
+	/**
+	 * @return Metric (higher == worse) or negative if path is blacklisted
+	 */
+	inline int metric() const throw() { return _metric; }
+
+	/**
+	 * @return Path trust level
+	 */
+	inline Trust trust() const throw() { return _trust; }
+
+	/**
+	 * @return True if path is considered reliable (no NAT keepalives etc. are needed)
+	 */
+	inline bool reliable() const throw() { return _reliable; }
+
+	/**
+	 * @return Is this a fixed path?
+	 */
+	inline bool fixed() const throw() { return _fixed; }
+
+	/**
+	 * @return True if address is non-NULL
+	 */
+	inline operator bool() const throw() { return (_addr); }
+
+	// Comparisons are by address only
+	inline bool operator==(const Path &p) const throw() { return (_addr == p._addr); }
+	inline bool operator!=(const Path &p) const throw() { return (_addr != p._addr); }
+	inline bool operator<(const Path &p) const throw() { return (_addr < p._addr); }
+	inline bool operator>(const Path &p) const throw() { return (_addr > p._addr); }
+	inline bool operator<=(const Path &p) const throw() { return (_addr <= p._addr); }
+	inline bool operator>=(const Path &p) const throw() { return (_addr >= p._addr); }
+
+protected:
+	InetAddress _addr;
+	int _metric; // negative == blacklisted
+	Trust _trust;
+	bool _reliable;
+	bool _fixed;
+};
+
+} // namespace ZeroTier
+
+#endif