WIP remote client/server tests

remote/messages/Header.hpp

@@ -8,8 +8,55 @@ namespace Remote
 class Header
 {
 	public:
+
 		static const std::size_t size = 8;
 
+		Header() : _size(0) {}
+
+		void setSize(std::size_t size)	{ _size = size; }
+		std::size_t getSize(void) const	{return _size;}
+
+		static Header from_buffer(const std::array<unsigned char, size>& buffer, bool& error)
+		{
+			Header res;
+
+			if (decode32(&buffer[0]) != _magic)
+				error = true;
+			else
+			{
+				res._size = decode32(&buffer[4]);
+				error = false;
+			}
+
+			return res;
+		}
+
+		void to_buffer(std::array<unsigned char, size>& buffer)
+		{
+			encode32(_magic, &buffer[0]);
+			encode32(_size, &buffer[4]);
+		}
+
+	private:
+		static uint32_t	decode32(const unsigned char* data)
+		{
+			return (static_cast<uint32_t>(data[0]) << 24)
+				+ (static_cast<uint32_t>(data[1]) << 16)
+				+ (static_cast<uint32_t>(data[2]) << 8)
+				+ (static_cast<uint32_t>(data[3]));
+		}
+
+		static void		encode32(uint32_t value, unsigned char* data)
+		{
+			data[0] = (value >> 24) & 0xFF;
+			data[1] = (value >> 16) & 0xFF;
+			data[2] = (value >> 8) & 0xFF;
+			data[3] = (value) & 0xFF;
+		}
+
+		static const uint32_t _magic = 0xbeef;
+
+		uint32_t	_size;
 };