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Karrar
2024-03-27 22:26:13 +03:00
commit 0caf47a728
223 changed files with 32253 additions and 0 deletions
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41
Transport/LiteNetLib Transport/LiteNetLib/Layers/Crc32cLayer.cs Normal file
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using LiteNetLib.Utils;
using System;
using System.Net;
namespace LiteNetLib.Layers
{
public sealed class Crc32cLayer : PacketLayerBase
{
public Crc32cLayer() : base(CRC32C.ChecksumSize)
{
}
public override void ProcessInboundPacket(ref IPEndPoint endPoint, ref byte[] data, ref int offset, ref int length)
{
if (length < NetConstants.HeaderSize + CRC32C.ChecksumSize)
{
NetDebug.WriteError("[NM] DataReceived size: bad!");
//Set length to 0 to have netManager drop the packet.
length = 0;
return;
}
int checksumPoint = length - CRC32C.ChecksumSize;
if (CRC32C.Compute(data, offset, checksumPoint) != BitConverter.ToUInt32(data, checksumPoint))
{
NetDebug.Write("[NM] DataReceived checksum: bad!");
//Set length to 0 to have netManager drop the packet.
length = 0;
return;
}
length -= CRC32C.ChecksumSize;
}
public override void ProcessOutBoundPacket(ref IPEndPoint endPoint, ref byte[] data, ref int offset, ref int length)
{
FastBitConverter.GetBytes(data, length, CRC32C.Compute(data, offset, length));
length += CRC32C.ChecksumSize;
}
}
}

11
Transport/LiteNetLib Transport/LiteNetLib/Layers/Crc32cLayer.cs.meta Normal file
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17
Transport/LiteNetLib Transport/LiteNetLib/Layers/PacketLayerBase.cs Normal file
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using System.Net;
namespace LiteNetLib.Layers
{
public abstract class PacketLayerBase
{
public readonly int ExtraPacketSizeForLayer;
protected PacketLayerBase(int extraPacketSizeForLayer)
{
ExtraPacketSizeForLayer = extraPacketSizeForLayer;
}
public abstract void ProcessInboundPacket(ref IPEndPoint endPoint, ref byte[] data, ref int offset, ref int length);
public abstract void ProcessOutBoundPacket(ref IPEndPoint endPoint, ref byte[] data, ref int offset, ref int length);
}
}

11
Transport/LiteNetLib Transport/LiteNetLib/Layers/PacketLayerBase.cs.meta Normal file
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60
Transport/LiteNetLib Transport/LiteNetLib/Layers/XorEncryptLayer.cs Normal file
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using System;
using System.Net;
using System.Text;
namespace LiteNetLib.Layers
{
public class XorEncryptLayer : PacketLayerBase
{
private byte[] _byteKey;
public XorEncryptLayer() : base(0)
{
}
public XorEncryptLayer(byte[] key) : this()
{
SetKey(key);
}
public XorEncryptLayer(string key) : this()
{
SetKey(key);
}
public void SetKey(string key)
{
_byteKey = Encoding.UTF8.GetBytes(key);
}
public void SetKey(byte[] key)
{
if (_byteKey == null || _byteKey.Length != key.Length)
_byteKey = new byte[key.Length];
Buffer.BlockCopy(key, 0, _byteKey, 0, key.Length);
}
public override void ProcessInboundPacket(ref IPEndPoint endPoint, ref byte[] data, ref int offset, ref int length)
{
if (_byteKey == null)
return;
var cur = offset;
for (var i = 0; i < length; i++, cur++)
{
data[cur] = (byte)(data[cur] ^ _byteKey[i % _byteKey.Length]);
}
}
public override void ProcessOutBoundPacket(ref IPEndPoint endPoint, ref byte[] data, ref int offset, ref int length)
{
if (_byteKey == null)
return;
var cur = offset;
for (var i = 0; i < length; i++, cur++)
{
data[cur] = (byte)(data[cur] ^ _byteKey[i % _byteKey.Length]);
}
}
}
}

11
Transport/LiteNetLib Transport/LiteNetLib/Layers/XorEncryptLayer.cs.meta Normal file
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