Scripts/Misc/ServerList.cs

@@ -0,0 +1,94 @@
+using System;
+using System.Net;
+using System.Net.Sockets;
+using Server;
+using Server.Network;
+
+namespace Server.Misc
+{
+	public class ServerList
+	{
+		/* Address:
+		 * 
+		 * The default setting, a value of 'null', will attempt to detect your IP address automatically:
+		 * private const string Address = null;
+		 * 
+		 * This detection, however, does not work for servers behind routers. If you're running behind a router, put in your IP:
+		 * private const string Address = "12.34.56.78";
+		 * 
+		 * If you need to resolve a DNS host name, you can do that too:
+		 * private const string Address = "shard.host.com";
+		 */
+
+		public static readonly string Address = null;
+
+		public const string ServerName = "RunUO TC";
+
+		public static void Initialize()
+		{
+			Listener.Port = 2593;
+
+			EventSink.ServerList += new ServerListEventHandler( EventSink_ServerList );
+		}
+
+		public static void EventSink_ServerList( ServerListEventArgs e )
+		{
+			try
+			{
+				IPAddress ipAddr;
+
+				if ( Resolve( Address != null && !IsLocalMachine( e.State ) ? Address : Dns.GetHostName(), out ipAddr ) )
+					e.AddServer( ServerName, new IPEndPoint( ipAddr, Listener.Port ) );
+				else
+					e.Rejected = true;
+			}
+			catch
+			{
+				e.Rejected = true;
+			}
+		}
+
+		public static bool Resolve( string addr, out IPAddress outValue )
+		{
+
+            if ( IPAddress.TryParse( addr, out outValue ) )
+                return true;
+
+			try
+			{
+				IPHostEntry iphe = Dns.GetHostEntry( addr );
+
+				if ( iphe.AddressList.Length > 0 )
+				{
+					outValue = iphe.AddressList[iphe.AddressList.Length - 1];
+					return true;
+				}
+			}
+			catch
+			{
+			}
+
+			outValue = IPAddress.None;
+			return false;
+		}
+
+		private static bool IsLocalMachine( NetState state )
+		{
+			Socket sock = state.Socket;
+
+			IPAddress theirAddress = ((IPEndPoint)sock.RemoteEndPoint).Address;
+
+			if ( IPAddress.IsLoopback( theirAddress ) )
+				return true;
+
+			bool contains = false;
+
+			IPHostEntry iphe = Dns.GetHostEntry( Dns.GetHostName() );
+
+			for ( int i = 0; !contains && i < iphe.AddressList.Length; ++i )
+				contains = theirAddress.Equals( iphe.AddressList[i] );
+
+			return contains;
+		}
+	}
+}