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;
}
}
}