fix: Cleans up core code (#1187)
**Only one functional change** * Fixes a bug in LogFactory where `Warning` is being logged as `Information` Non-functional changes: * Updates/Fixes copyright headers * Removes namespace scopes for core files. View with [whitespace off](https://github.com/modernuo/ModernUO/pull/1187/files?w=1).
This commit is contained in:
Kamron Batman
GitHub
parent
0138d40bda
commit
f268d5d4e2
262 changed files with 28527 additions and 28646 deletions
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@ -1,6 +1,6 @@
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/*************************************************************************
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* ModernUO *
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* Copyright 2019-2020 - ModernUO Development Team *
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* Copyright 2019-2022 - ModernUO Development Team *
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* Email: hi@modernuo.com *
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* File: PacketReader.cs *
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* *
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@ -21,375 +21,374 @@ using System.Runtime.CompilerServices;
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using System.Text;
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using Server.Text;
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namespace Server.Network
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namespace Server.Network;
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public ref struct CircularBufferReader
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{
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public ref struct CircularBufferReader
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private readonly ReadOnlySpan<byte> _first;
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private readonly ReadOnlySpan<byte> _second;
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public int Length { get; }
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public int Position { get; private set; }
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public int Remaining => Length - Position;
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// Only used for debugging!
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public ReadOnlySpan<byte> First => _first;
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public ReadOnlySpan<byte> Second => _second;
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public CircularBufferReader(ref CircularBuffer<byte> buffer) : this(buffer.GetSpan(0), buffer.GetSpan(1))
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{
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private readonly ReadOnlySpan<byte> _first;
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private readonly ReadOnlySpan<byte> _second;
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}
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public int Length { get; }
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public int Position { get; private set; }
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public int Remaining => Length - Position;
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public CircularBufferReader(ArraySegment<byte>[] buffer) : this(buffer[0], buffer[1])
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{
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}
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// Only used for debugging!
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public ReadOnlySpan<byte> First => _first;
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public ReadOnlySpan<byte> Second => _second;
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public CircularBufferReader(ReadOnlySpan<byte> first, ReadOnlySpan<byte> second)
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{
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_first = first;
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_second = second;
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Position = 0;
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Length = first.Length + second.Length;
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}
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public CircularBufferReader(ref CircularBuffer<byte> buffer) : this(buffer.GetSpan(0), buffer.GetSpan(1))
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public void Trace(NetState state)
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{
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// We don't have data, so nothing to trace
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if (_first.Length == 0)
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{
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return;
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}
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public CircularBufferReader(ArraySegment<byte>[] buffer) : this(buffer[0], buffer[1])
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try
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{
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using var sw = new StreamWriter("unhandled-packets.log", true);
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sw.WriteLine("Client: {0}: Unhandled packet 0x{1:X2}", state, _first[0]);
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sw.FormatBuffer(_first, _second, Length);
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sw.WriteLine();
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sw.WriteLine();
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}
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catch
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{
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// ignored
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public byte ReadByte()
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{
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if (Position < _first.Length)
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{
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return _first[Position++];
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}
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public CircularBufferReader(ReadOnlySpan<byte> first, ReadOnlySpan<byte> second)
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if (Position < Length)
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{
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_first = first;
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_second = second;
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Position = 0;
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Length = first.Length + second.Length;
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return _second[Position++ - _first.Length];
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}
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public void Trace(NetState state)
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{
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// We don't have data, so nothing to trace
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if (_first.Length == 0)
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{
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return;
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}
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throw new OutOfMemoryException();
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}
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try
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool ReadBoolean() => ReadByte() > 0;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public sbyte ReadSByte() => (sbyte)ReadByte();
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public short ReadInt16()
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{
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short value;
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if (Position < _first.Length)
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{
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if (!BinaryPrimitives.TryReadInt16BigEndian(_first[Position..], out value))
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{
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using var sw = new StreamWriter("unhandled-packets.log", true);
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sw.WriteLine("Client: {0}: Unhandled packet 0x{1:X2}", state, _first[0]);
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sw.FormatBuffer(_first, _second, Length);
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sw.WriteLine();
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sw.WriteLine();
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}
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catch
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{
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// ignored
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// Not enough space. Split the spans
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return (short)((ReadByte() >> 8) | ReadByte());
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public byte ReadByte()
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else if (!BinaryPrimitives.TryReadInt16BigEndian(_second[(Position - _first.Length)..], out value))
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{
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if (Position < _first.Length)
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{
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return _first[Position++];
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}
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if (Position < Length)
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{
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return _second[Position++ - _first.Length];
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}
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throw new OutOfMemoryException();
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool ReadBoolean() => ReadByte() > 0;
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Position += 2;
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return value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public sbyte ReadSByte() => (sbyte)ReadByte();
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ushort ReadUInt16()
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{
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ushort value;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public short ReadInt16()
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if (Position < _first.Length)
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{
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short value;
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if (Position < _first.Length)
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if (!BinaryPrimitives.TryReadUInt16BigEndian(_first[Position..], out value))
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{
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if (!BinaryPrimitives.TryReadInt16BigEndian(_first[Position..], out value))
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{
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// Not enough space. Split the spans
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return (short)((ReadByte() >> 8) | ReadByte());
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}
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// Not enough space. Split the spans
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return (ushort)((ReadByte() >> 8) | ReadByte());
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}
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else if (!BinaryPrimitives.TryReadInt16BigEndian(_second[(Position - _first.Length)..], out value))
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}
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else if (!BinaryPrimitives.TryReadUInt16BigEndian(_second[(Position - _first.Length)..], out value))
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{
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throw new OutOfMemoryException();
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}
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Position += 2;
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return value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public int ReadInt32()
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{
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int value;
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if (Position < _first.Length)
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{
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if (!BinaryPrimitives.TryReadInt32BigEndian(_first[Position..], out value))
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{
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// Not enough space. Split the spans
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return (ReadByte() >> 24) | (ReadByte() >> 16) | (ReadByte() >> 8) | ReadByte();
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}
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}
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else if (!BinaryPrimitives.TryReadInt32BigEndian(_second[(Position - _first.Length)..], out value))
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{
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throw new OutOfMemoryException();
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}
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Position += 4;
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return value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public uint ReadUInt32()
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{
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uint value;
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if (Position < _first.Length)
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{
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if (!BinaryPrimitives.TryReadUInt32BigEndian(_first[Position..], out value))
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{
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// Not enough space. Split the spans
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return (uint)((ReadByte() >> 24) | (ReadByte() >> 16) | (ReadByte() >> 8) | ReadByte());
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}
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}
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else if (!BinaryPrimitives.TryReadUInt32BigEndian(_second[(Position - _first.Length)..], out value))
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{
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throw new OutOfMemoryException();
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}
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Position += 4;
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return value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public long ReadInt64()
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{
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long value;
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if (Position < _first.Length)
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{
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if (!BinaryPrimitives.TryReadInt64BigEndian(_first[Position..], out value))
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{
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// Not enough space. Split the spans
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return ((long)ReadByte() >> 56) |
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((long)ReadByte() >> 48) |
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((long)ReadByte() >> 40) |
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((long)ReadByte() >> 32) |
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((long)ReadByte() >> 24) |
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((long)ReadByte() >> 16) |
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((long)ReadByte() >> 8) |
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ReadByte();
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}
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}
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else if (!BinaryPrimitives.TryReadInt64BigEndian(_second[(Position - _first.Length)..], out value))
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{
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throw new OutOfMemoryException();
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}
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Position += 8;
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return value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ulong ReadUInt64()
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{
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ulong value;
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if (Position < _first.Length)
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{
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if (!BinaryPrimitives.TryReadUInt64BigEndian(_first[Position..], out value))
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{
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// Not enough space. Split the spans
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return ((ulong)ReadByte() >> 56) |
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((ulong)ReadByte() >> 48) |
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((ulong)ReadByte() >> 40) |
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((ulong)ReadByte() >> 32) |
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((ulong)ReadByte() >> 24) |
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((ulong)ReadByte() >> 16) |
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((ulong)ReadByte() >> 8) |
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ReadByte();
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}
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}
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else if (!BinaryPrimitives.TryReadUInt64BigEndian(_second[(Position - _first.Length)..], out value))
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{
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throw new OutOfMemoryException();
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}
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Position += 8;
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return value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public string ReadString(Encoding encoding, bool safeString = false, int fixedLength = -1)
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{
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int byteLength = encoding.GetByteLengthForEncoding();
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bool isFixedLength = fixedLength > -1;
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var remaining = Remaining;
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int size;
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if (isFixedLength)
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{
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size = fixedLength * byteLength;
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if (size > Remaining)
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{
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throw new OutOfMemoryException();
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}
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Position += 2;
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return value;
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}
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else
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{
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size = remaining - (remaining & (byteLength - 1));
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ushort ReadUInt16()
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ReadOnlySpan<byte> span;
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int index;
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if (Position < _first.Length)
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{
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ushort value;
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var firstLength = Math.Min(_first.Length - Position, size);
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if (Position < _first.Length)
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// Find terminator
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index = _first.Slice(Position, firstLength).IndexOfTerminator(byteLength);
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if (index < 0)
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{
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if (!BinaryPrimitives.TryReadUInt16BigEndian(_first[Position..], out value))
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remaining = size - firstLength;
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// We don't have a terminator, but a fixed size to the end of the first span, so stop there
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if (remaining <= 0)
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{
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// Not enough space. Split the spans
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return (ushort)((ReadByte() >> 8) | ReadByte());
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}
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}
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else if (!BinaryPrimitives.TryReadUInt16BigEndian(_second[(Position - _first.Length)..], out value))
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{
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throw new OutOfMemoryException();
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}
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Position += 2;
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return value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public int ReadInt32()
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{
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int value;
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if (Position < _first.Length)
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{
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if (!BinaryPrimitives.TryReadInt32BigEndian(_first[Position..], out value))
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{
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// Not enough space. Split the spans
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return (ReadByte() >> 24) | (ReadByte() >> 16) | (ReadByte() >> 8) | ReadByte();
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}
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}
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else if (!BinaryPrimitives.TryReadInt32BigEndian(_second[(Position - _first.Length)..], out value))
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{
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throw new OutOfMemoryException();
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}
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Position += 4;
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return value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public uint ReadUInt32()
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{
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uint value;
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if (Position < _first.Length)
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{
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if (!BinaryPrimitives.TryReadUInt32BigEndian(_first[Position..], out value))
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{
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// Not enough space. Split the spans
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return (uint)((ReadByte() >> 24) | (ReadByte() >> 16) | (ReadByte() >> 8) | ReadByte());
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}
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}
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else if (!BinaryPrimitives.TryReadUInt32BigEndian(_second[(Position - _first.Length)..], out value))
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{
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throw new OutOfMemoryException();
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}
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Position += 4;
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return value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public long ReadInt64()
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{
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long value;
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if (Position < _first.Length)
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{
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if (!BinaryPrimitives.TryReadInt64BigEndian(_first[Position..], out value))
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{
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// Not enough space. Split the spans
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return ((long)ReadByte() >> 56) |
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((long)ReadByte() >> 48) |
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((long)ReadByte() >> 40) |
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((long)ReadByte() >> 32) |
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((long)ReadByte() >> 24) |
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((long)ReadByte() >> 16) |
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((long)ReadByte() >> 8) |
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ReadByte();
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}
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}
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else if (!BinaryPrimitives.TryReadInt64BigEndian(_second[(Position - _first.Length)..], out value))
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{
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throw new OutOfMemoryException();
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}
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Position += 8;
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return value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ulong ReadUInt64()
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{
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ulong value;
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|
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if (Position < _first.Length)
|
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{
|
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if (!BinaryPrimitives.TryReadUInt64BigEndian(_first[Position..], out value))
|
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{
|
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// Not enough space. Split the spans
|
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return ((ulong)ReadByte() >> 56) |
|
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((ulong)ReadByte() >> 48) |
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((ulong)ReadByte() >> 40) |
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((ulong)ReadByte() >> 32) |
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((ulong)ReadByte() >> 24) |
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((ulong)ReadByte() >> 16) |
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((ulong)ReadByte() >> 8) |
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ReadByte();
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}
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}
|
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else if (!BinaryPrimitives.TryReadUInt64BigEndian(_second[(Position - _first.Length)..], out value))
|
||||
{
|
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throw new OutOfMemoryException();
|
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}
|
||||
|
||||
Position += 8;
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return value;
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||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
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public string ReadString(Encoding encoding, bool safeString = false, int fixedLength = -1)
|
||||
{
|
||||
int byteLength = encoding.GetByteLengthForEncoding();
|
||||
|
||||
bool isFixedLength = fixedLength > -1;
|
||||
|
||||
var remaining = Remaining;
|
||||
int size;
|
||||
|
||||
if (isFixedLength)
|
||||
{
|
||||
size = fixedLength * byteLength;
|
||||
if (size > Remaining)
|
||||
{
|
||||
throw new OutOfMemoryException();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
size = remaining - (remaining & (byteLength - 1));
|
||||
}
|
||||
|
||||
ReadOnlySpan<byte> span;
|
||||
int index;
|
||||
|
||||
if (Position < _first.Length)
|
||||
{
|
||||
var firstLength = Math.Min(_first.Length - Position, size);
|
||||
|
||||
// Find terminator
|
||||
index = _first.Slice(Position, firstLength).IndexOfTerminator(byteLength);
|
||||
|
||||
if (index < 0)
|
||||
{
|
||||
remaining = size - firstLength;
|
||||
// We don't have a terminator, but a fixed size to the end of the first span, so stop there
|
||||
if (remaining <= 0)
|
||||
{
|
||||
index = firstLength;
|
||||
}
|
||||
else
|
||||
{
|
||||
index = _second[..remaining].IndexOfTerminator(byteLength);
|
||||
|
||||
int secondLength = index < 0 ? remaining : index;
|
||||
int length = firstLength + secondLength;
|
||||
|
||||
// Assume no strings should be too long for the stack
|
||||
Span<byte> bytes = stackalloc byte[length];
|
||||
_first[Position..].CopyTo(bytes);
|
||||
_second[..secondLength].CopyTo(bytes[firstLength..]);
|
||||
|
||||
Position += length + (index >= 0 ? byteLength : 0);
|
||||
return TextEncoding.GetString(bytes, encoding, safeString);
|
||||
}
|
||||
}
|
||||
|
||||
span = _first.Slice(Position, index);
|
||||
}
|
||||
else
|
||||
{
|
||||
size = Math.Min(remaining, size);
|
||||
span = _second.Slice( Position - _first.Length, size);
|
||||
index = span.IndexOfTerminator(byteLength);
|
||||
|
||||
if (index >= 0)
|
||||
{
|
||||
span = span[..index];
|
||||
index = firstLength;
|
||||
}
|
||||
else
|
||||
{
|
||||
index = size;
|
||||
index = _second[..remaining].IndexOfTerminator(byteLength);
|
||||
|
||||
int secondLength = index < 0 ? remaining : index;
|
||||
int length = firstLength + secondLength;
|
||||
|
||||
// Assume no strings should be too long for the stack
|
||||
Span<byte> bytes = stackalloc byte[length];
|
||||
_first[Position..].CopyTo(bytes);
|
||||
_second[..secondLength].CopyTo(bytes[firstLength..]);
|
||||
|
||||
Position += length + (index >= 0 ? byteLength : 0);
|
||||
return TextEncoding.GetString(bytes, encoding, safeString);
|
||||
}
|
||||
}
|
||||
|
||||
Position += isFixedLength ? size : index + byteLength;
|
||||
return TextEncoding.GetString(span, encoding, safeString);
|
||||
span = _first.Slice(Position, index);
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadLittleUniSafe(int fixedLength) => ReadString(TextEncoding.UnicodeLE, true, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadLittleUniSafe() => ReadString(TextEncoding.UnicodeLE, true);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadLittleUni(int fixedLength) => ReadString(TextEncoding.UnicodeLE, false, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadLittleUni() => ReadString(TextEncoding.UnicodeLE);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadBigUniSafe(int fixedLength) => ReadString(TextEncoding.Unicode, true, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadBigUniSafe() => ReadString(TextEncoding.Unicode, true);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadBigUni(int fixedLength) => ReadString(TextEncoding.Unicode, false, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadBigUni() => ReadString(TextEncoding.Unicode);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadUTF8Safe(int fixedLength) => ReadString(TextEncoding.UTF8, true, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadUTF8Safe() => ReadString(TextEncoding.UTF8, true);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadUTF8() => ReadString(TextEncoding.UTF8);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadAsciiSafe(int fixedLength) => ReadString(Encoding.ASCII, true, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadAsciiSafe() => ReadString(Encoding.ASCII, true);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadAscii(int fixedLength) => ReadString(Encoding.ASCII, false, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadAscii() => ReadString(Encoding.ASCII);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public int Seek(int offset, SeekOrigin origin) =>
|
||||
Position = origin switch
|
||||
{
|
||||
SeekOrigin.Begin => offset,
|
||||
SeekOrigin.End => Length + offset,
|
||||
_ => Position + offset // Current
|
||||
};
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public bool Read(Span<byte> bytes)
|
||||
else
|
||||
{
|
||||
if (bytes.Length < Length)
|
||||
{
|
||||
throw new ArgumentOutOfRangeException(nameof(bytes));
|
||||
}
|
||||
size = Math.Min(remaining, size);
|
||||
span = _second.Slice( Position - _first.Length, size);
|
||||
index = span.IndexOfTerminator(byteLength);
|
||||
|
||||
if (_first.Length > 0 && !_first.TryCopyTo(bytes))
|
||||
if (index >= 0)
|
||||
{
|
||||
return false;
|
||||
span = span[..index];
|
||||
}
|
||||
else
|
||||
{
|
||||
index = size;
|
||||
}
|
||||
|
||||
return _second.Length <= 0 || _second.TryCopyTo(bytes[_first.Length..]);
|
||||
}
|
||||
|
||||
Position += isFixedLength ? size : index + byteLength;
|
||||
return TextEncoding.GetString(span, encoding, safeString);
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadLittleUniSafe(int fixedLength) => ReadString(TextEncoding.UnicodeLE, true, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadLittleUniSafe() => ReadString(TextEncoding.UnicodeLE, true);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadLittleUni(int fixedLength) => ReadString(TextEncoding.UnicodeLE, false, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadLittleUni() => ReadString(TextEncoding.UnicodeLE);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadBigUniSafe(int fixedLength) => ReadString(TextEncoding.Unicode, true, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadBigUniSafe() => ReadString(TextEncoding.Unicode, true);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadBigUni(int fixedLength) => ReadString(TextEncoding.Unicode, false, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadBigUni() => ReadString(TextEncoding.Unicode);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadUTF8Safe(int fixedLength) => ReadString(TextEncoding.UTF8, true, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadUTF8Safe() => ReadString(TextEncoding.UTF8, true);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadUTF8() => ReadString(TextEncoding.UTF8);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadAsciiSafe(int fixedLength) => ReadString(Encoding.ASCII, true, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadAsciiSafe() => ReadString(Encoding.ASCII, true);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadAscii(int fixedLength) => ReadString(Encoding.ASCII, false, fixedLength);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public string ReadAscii() => ReadString(Encoding.ASCII);
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public int Seek(int offset, SeekOrigin origin) =>
|
||||
Position = origin switch
|
||||
{
|
||||
SeekOrigin.Begin => offset,
|
||||
SeekOrigin.End => Length + offset,
|
||||
_ => Position + offset // Current
|
||||
};
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public bool Read(Span<byte> bytes)
|
||||
{
|
||||
if (bytes.Length < Length)
|
||||
{
|
||||
throw new ArgumentOutOfRangeException(nameof(bytes));
|
||||
}
|
||||
|
||||
if (_first.Length > 0 && !_first.TryCopyTo(bytes))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
return _second.Length <= 0 || _second.TryCopyTo(bytes[_first.Length..]);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue