Restructuring of the files

Facepunch.Steamworks/Networking/NetAddress.cs

@@ -0,0 +1,156 @@
+using System.Net;
+using System.Runtime.InteropServices;
+
+namespace Facepunch.Steamworks.Data
+{
+	[StructLayout( LayoutKind.Explicit, Size = 18, Pack = 1 )]
+	public partial struct NetAddress
+	{
+		[FieldOffset( 0 )]
+		internal IPV4 ip;
+
+		[FieldOffset( 16 )]
+		internal ushort port;
+
+		internal struct IPV4
+		{
+			internal ulong m_8zeros;
+			internal ushort m_0000;
+			internal ushort m_ffff;
+			internal byte ip0;
+			internal byte ip1;
+			internal byte ip2;
+			internal byte ip3;
+		}
+
+		/// <summary>
+		/// The Port. This is redundant documentation.
+		/// </summary>
+		public ushort Port => port;
+
+		/// <summary>
+		/// Any IP, specific port
+		/// </summary>
+		public static NetAddress AnyIp( ushort port )
+		{
+			var addr = Cleared;
+			addr.port = port;
+			return addr;
+		}
+
+		/// <summary>
+		/// Localhost IP, specific port
+		/// </summary>
+		public static NetAddress LocalHost( ushort port )
+		{
+			var local = Cleared;
+			InternalSetIPv6LocalHost( ref local, port );
+			return local;
+		}
+
+		/// <summary>
+		/// Specific IP, specific port
+		/// </summary>
+		public static NetAddress From( string addrStr, ushort port )
+		{
+			return From( IPAddress.Parse( addrStr ), port );
+		}
+
+		/// <summary>
+		/// Specific IP, specific port
+		/// </summary>
+		public static NetAddress From( IPAddress address, ushort port )
+		{
+			var addr = address.GetAddressBytes();
+
+			if ( address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork )
+			{
+				var local = Cleared;
+				InternalSetIPv4( ref local, Utility.IpToInt32( address ), port );
+				return local;
+			}
+
+			throw new System.NotImplementedException( "Oops - no IPV6 support yet?" );
+		}
+
+		/// <summary>
+		/// Set everything to zero
+		/// </summary>
+		public static NetAddress Cleared
+		{
+			get
+			{
+				NetAddress self = default;
+				InternalClear( ref self );
+				return self;
+			}
+		}
+
+		/// <summary>
+		/// Return true if the IP is ::0.  (Doesn't check port.)
+		/// </summary>
+		public bool IsIPv6AllZeros
+		{
+			get
+			{
+				NetAddress self = this;
+				return InternalIsIPv6AllZeros( ref self );
+			}
+		}
+
+		/// <summary>
+		/// Return true if IP is mapped IPv4
+		/// </summary>
+		public bool IsIPv4
+		{
+			get
+			{
+				NetAddress self = this;
+				return InternalIsIPv4( ref self );
+			}
+		}
+
+		/// <summary>
+		/// Return true if this identity is localhost.  (Either IPv6 ::1, or IPv4 127.0.0.1)
+		/// </summary>
+		public bool IsLocalHost
+		{
+			get
+			{
+				NetAddress self = this;
+				return InternalIsLocalHost( ref self );
+			}
+		}
+
+		/// <summary>
+		/// Get the Address section
+		/// </summary>
+		public IPAddress Address
+		{
+			get
+			{
+				if ( IsIPv4 )
+				{
+					NetAddress self = this;
+					var ip = InternalGetIPv4( ref self  );
+					return Utility.Int32ToIp( ip );
+				}
+
+				if ( IsIPv6AllZeros )
+				{
+					return IPAddress.IPv6Loopback;
+				}
+
+				throw new System.NotImplementedException( "Oops - no IPV6 support yet?" );
+			}
+		}
+
+		public override string ToString()
+		{
+			var ptr = Helpers.TakeMemory();
+			var self = this;
+			InternalToString( ref self, ptr, Helpers.MemoryBufferSize, true );
+			return Helpers.MemoryToString( ptr );
+		}
+	}
+}