Start of a connection state machine, start of a TLV framework.

tlv.h

@@ -0,0 +1,18 @@
+#include <stdint.h>
+
+#include <list>
+#include <string>
+
+class TLVNode {
+	public:
+		TLVNode(const uint16_t type);
+		TLVNode(const uint16_t type, const std::string value);
+
+		static TLVNode* Decode(const std::string& input);
+		void Encode(std::string *output);
+
+	private:
+		const uint16_t type_;
+		const std::string value_;
+		std::list<TLVNode> children_;
+};