using System;

using System.Collections;

using System.Collections.Generic;

using System.Net;

using System.Net.Sockets;

using Server;

using Server.Network;



namespace Server.Misc

{

	public class IPLimiter

	{

		public static bool Enabled = true;

		public static bool SocketBlock = true; // true to block at connection, false to block at login request



		public static int MaxAddresses = 10;

		

		public static IPAddress[] Exemptions = new IPAddress[]	//For hosting services where there are cases where IPs can be proxied

		{

			//IPAddress.Parse( "127.0.0.1" ),

		};



		public static bool IsExempt( IPAddress ip )

		{

			for ( int i = 0; i < Exemptions.Length; i++ )

			{

				if ( ip.Equals( Exemptions[i] ) )

					return true;

			}



			return false;

		}



		public static bool Verify( IPAddress ourAddress )

		{

			if ( !Enabled || IsExempt( ourAddress ) )

				return true;



			List<NetState> netStates = NetState.Instances;



			int count = 0;



			for ( int i = 0; i < netStates.Count; ++i )

			{

				NetState compState = netStates[i];



				if ( ourAddress.Equals( compState.Address ) )

				{

					++count;



					if ( count >= MaxAddresses )

						return false;

				}

			}



			return true;

		}

	}

}