forked from Eauldane/SnowcloakServer
75 lines
1.9 KiB
C#
75 lines
1.9 KiB
C#
namespace MareSynchronosStaticFilesServer.Utils;
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// Writes data read from one stream out to a second stream
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public class TeeStream : Stream
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{
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private readonly Stream _inStream;
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private readonly Stream _outStream;
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public bool DisposeUnderlying = true;
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public Stream InStream { get => _inStream; }
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public Stream OutStream { get => _outStream; }
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public TeeStream(Stream inStream, Stream outStream)
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{
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_inStream = inStream;
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_outStream = outStream;
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}
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protected override void Dispose(bool disposing)
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{
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if (!DisposeUnderlying)
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return;
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_inStream.Dispose();
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_outStream.Dispose();
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}
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public override bool CanRead => _inStream.CanRead;
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public override bool CanSeek => _inStream.CanSeek;
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public override bool CanWrite => false;
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public override long Length => _inStream.Length;
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public override long Position
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{
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get => _inStream.Position;
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set => _inStream.Position = value;
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}
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public override void Flush()
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{
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_inStream.Flush();
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_outStream.Flush();
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}
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public override int Read(byte[] buffer, int offset, int count)
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{
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int n = _inStream.Read(buffer, offset, count);
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if (n > 0)
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_outStream.Write(buffer, offset, n);
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return n;
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}
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public async override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
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{
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int n = await _inStream.ReadAsync(buffer, offset, count, cancellationToken);
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if (n > 0)
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await _outStream.WriteAsync(buffer, offset, n);
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return n;
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}
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public override long Seek(long offset, SeekOrigin origin)
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{
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return _inStream.Seek(offset, origin);
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}
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public override void SetLength(long value)
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{
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_inStream.SetLength(value);
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}
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public override void Write(byte[] buffer, int offset, int count)
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{
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throw new NotSupportedException();
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}
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}
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