Whole heap more cleanup and refactoring...

attic/Socket.hpp

@@ -0,0 +1,99 @@
+/*
+ * 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_SOCKET_HPP
+#define ZT_SOCKET_HPP
+
+#include "Constants.hpp"
+#include "InetAddress.hpp"
+#include "AtomicCounter.hpp"
+#include "SharedPtr.hpp"
+#include "NonCopyable.hpp"
+
+/**
+ * Maximum discrete message length supported by all socket types
+ */
+#define ZT_SOCKET_MAX_MESSAGE_LEN 2048
+
+namespace ZeroTier {
+
+class Socket;
+
+/**
+ * Base class for transport-layer socket implementations
+ */
+class Socket : NonCopyable
+{
+	friend class SharedPtr<Socket>;
+
+public:
+	enum Type
+	{
+		ZT_SOCKET_TYPE_UDP_V4 = 1,
+		ZT_SOCKET_TYPE_UDP_V6 = 2,
+		ZT_SOCKET_TYPE_TCP_IN = 3,  // incoming connection accepted from listen socket
+		ZT_SOCKET_TYPE_TCP_OUT = 4, // outgoing connection to remote endpoint
+		ZT_SOCKET_TYPE_ETHERNET = 5 // unused, for future SDN backplane support
+	};
+
+	virtual ~Socket() {}
+
+	/**
+	 * @return Socket type
+	 */
+	inline Type type() const throw() { return _type; }
+
+	/**
+	 * @return True if this is a UDP socket
+	 */
+	inline bool udp() const throw() { return ((_type == ZT_SOCKET_TYPE_UDP_V4)||(_type == ZT_SOCKET_TYPE_UDP_V6)); }
+
+	/**
+	 * @return True if this is a TCP socket
+	 */
+	inline bool tcp() const throw() { return ((_type == ZT_SOCKET_TYPE_TCP_IN)||(_type == ZT_SOCKET_TYPE_TCP_OUT)); }
+
+	/**
+	 * Send a ZeroTier message packet
+	 *
+	 * @param to Destination address (ignored in connected TCP sockets)
+	 * @param msg Message data
+	 * @param msglen Message length (max 16384 bytes)
+	 * @return True if send appears successful on our end, false if e.g. address type unreachable from this socket
+	 */
+	virtual bool send(const InetAddress &to,const void *msg,unsigned int msglen) = 0;
+
+protected:
+	Socket(const Type &t) : _type(t) {}
+
+	Type _type;
+	AtomicCounter __refCount;
+};
+
+} // namespace ZeroTier
+
+#endif