ln.type/Endpoint.cs

// /**
//  * File: Endpoint.cs
//  * Author: haraldwolff
//  *
//  * This file and it's content is copyrighted by the Author and / or copyright holder.
//  * Any use wihtout proper permission is illegal and may lead to legal actions.
//  *
//  *
//  **/
using System;
using System.Net;
using System.Net.Sockets;

namespace ln.type
{
    public class Endpoint
    {
        public IPv6 Address { get; }
        public int Port { get; }

        private Endpoint() { }

        public Endpoint(IPv6 address, int port)
        {
            Address = address;
            Port = port;
        }
        public Endpoint(System.Net.EndPoint netEndpoint)
        {
            if (netEndpoint is IPEndPoint ipep)
            {
                Port = ipep.Port;
                Address = ipep.Address;
                return;
            }
            throw new ArgumentOutOfRangeException(nameof(netEndpoint));
        }

        public override int GetHashCode()
        {
            return Address.GetHashCode() ^ Port;
        }

        public override bool Equals(object obj)
        {
            if (obj is Endpoint)
            {
                Endpoint you = obj as Endpoint;
                return Address.Equals(you.Address) && Port.Equals(you.Port);
            }
            return false;
        }

        public Socket CreateSocket(SocketType socketType)
        {
            Socket socket = new Socket(
                IPv6.V4Space.Contains(Address) ? AddressFamily.InterNetwork : AddressFamily.InterNetworkV6,
                socketType,
                ProtocolType.Unspecified

            );
            socket.Bind(this);
            return socket;
        }

        public static implicit operator Endpoint(EndPoint endPoint) => new Endpoint(endPoint);
        public static implicit operator EndPoint(Endpoint endPoint) => new IPEndPoint(endPoint.Address, endPoint.Port);
    }
}