BITFALL/Assets/BITKit/UnityPluginsSupport/KumoKyaku/Kcp/FakeKcpIO.cs

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C#
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using System;
using System.Buffers;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
namespace System.Net.Sockets.Kcp
{
/// <summary>
/// 用于调试的KCP IO 类没有Kcp功能
/// </summary>
public class FakeKcpIO : IKcpIO
{
QueuePipe<byte[]> recv = new QueuePipe<byte[]>();
public int Input(ReadOnlySpan<byte> span)
{
byte[] buffer = new byte[span.Length];
span.CopyTo(buffer);
recv.Write(buffer);
return 0;
}
public int Input(ReadOnlySequence<byte> span)
{
byte[] buffer = new byte[span.Length];
span.CopyTo(buffer);
return Input(buffer);
}
public async ValueTask RecvAsync(IBufferWriter<byte> writer, object options = null)
{
var buffer = await recv.ReadAsync().ConfigureAwait(false);
var target = writer.GetMemory(buffer.Length);
buffer.AsSpan().CopyTo(target.Span);
writer.Advance(buffer.Length);
}
public async ValueTask<int> RecvAsync(ArraySegment<byte> buffer, object options = null)
{
var temp = await recv.ReadAsync().ConfigureAwait(false);
temp.AsSpan().CopyTo(buffer);
return temp.Length;
}
QueuePipe<byte[]> send = new QueuePipe<byte[]>();
public int Send(ReadOnlySpan<byte> span, object options = null)
{
byte[] buffer = new byte[span.Length];
span.CopyTo(buffer);
send.Write(buffer);
return 0;
}
public int Send(ReadOnlySequence<byte> span, object options = null)
{
byte[] buffer = new byte[span.Length];
span.CopyTo(buffer);
return Send(buffer);
}
public async ValueTask OutputAsync(IBufferWriter<byte> writer, object options = null)
{
var buffer = await send.ReadAsync().ConfigureAwait(false);
Write(writer, buffer);
}
private static void Write(IBufferWriter<byte> writer, byte[] buffer)
{
var span = writer.GetSpan(buffer.Length);
buffer.AsSpan().CopyTo(span);
writer.Advance(buffer.Length);
}
}
}