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