nathandler.cs

来自「破解的飞信源代码」· CS 代码 · 共 38 行

namespace NCindy.Protocol.RUDP.NATTraversal
{
    using System;
    using System.Collections.Generic;
    using System.Net;

    public abstract class NATHandler
    {
        protected NATHandler()
        {
        }

        public abstract bool CanHandleNAT(List<NATHistoryPoint> history);
        public virtual List<IPEndPoint> TargetEndPoints(List<NATHistoryPoint> history)
        {
            List<IPEndPoint> list = new List<IPEndPoint>();
            List<NATHistoryPoint>.Enumerator enumerator = history.GetEnumerator();
            try
            {
                while (enumerator.MoveNext())
                {
                    IPEndPoint peerViewOfLocalEndPoint = enumerator.get_Current().PeerViewOfLocalEndPoint;
                    if ((peerViewOfLocalEndPoint != null) && !list.Contains(peerViewOfLocalEndPoint))
                    {
                        list.Add(peerViewOfLocalEndPoint);
                    }
                }
            }
            finally
            {
                enumerator.Dispose();
            }
            return list;
        }
    }
}