mirror of
https://github.com/modernuo/ModernUO
synced 2026-08-11 22:23:06 -04:00
71 lines
2.7 KiB
C#
71 lines
2.7 KiB
C#
/*************************************************************************
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* ModernUO *
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* Copyright 2019-2026 - ModernUO Development Team *
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* Email: hi@modernuo.com *
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* File: BaseFirewallEntry.cs *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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*************************************************************************/
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using System;
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using System.Net;
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using System.Runtime.CompilerServices;
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namespace Server.Network;
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public abstract class BaseFirewallEntry : IFirewallEntry, ISpanFormattable
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{
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public abstract UInt128 MinIpAddress { get; }
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public abstract UInt128 MaxIpAddress { get; }
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool IsBlocked(IPAddress address) => IsBlocked(address.ToUInt128());
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool IsBlocked(UInt128 address) => address >= MinIpAddress && address <= MaxIpAddress;
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public override string ToString() =>
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MinIpAddress == MaxIpAddress ? MinIpAddress.ToIpAddress().ToString()
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: $"{MinIpAddress.ToIpAddress()}-{MaxIpAddress.ToIpAddress()}";
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public string ToString(string? format, IFormatProvider? formatProvider) =>
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// format and provider are explicitly ignored
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ToString();
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public bool TryFormat(
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Span<char> destination,
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out int charsWritten,
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ReadOnlySpan<char> format,
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IFormatProvider? provider
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)
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{
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if (!((ISpanFormattable)MinIpAddress.ToIpAddress()).TryFormat(destination, out charsWritten, format, provider))
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{
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return false;
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}
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if (MinIpAddress == MaxIpAddress)
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{
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return true;
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}
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// Range
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destination[charsWritten++] = '-';
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var total = charsWritten;
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if (!((ISpanFormattable)MaxIpAddress.ToIpAddress()).TryFormat(destination[charsWritten..], out charsWritten, format, provider))
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{
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return false;
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}
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charsWritten += total;
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return true;
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}
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}
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