/
PipeWriterStream.cs
66 lines (52 loc) · 1.9 KB
/
PipeWriterStream.cs
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// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Buffers;
using System.IO;
using System.IO.Pipelines;
using System.Threading;
using System.Threading.Tasks;
namespace Microsoft.AspNetCore.Sockets.Http.Internal
{
// Write only stream implementation for efficiently writing bytes from the request body
internal class PipeWriterStream : Stream
{
private long _length;
private readonly PipeWriter _pipeWriter;
public PipeWriterStream(PipeWriter pipeWriter)
{
_pipeWriter = pipeWriter;
}
public override bool CanRead => false;
public override bool CanSeek => false;
public override bool CanWrite => true;
public override long Length => _length;
public override long Position { get => throw new NotSupportedException(); set => throw new NotSupportedException(); }
public override void Flush()
{
throw new NotSupportedException();
}
public override int Read(byte[] buffer, int offset, int count)
{
throw new NotSupportedException();
}
public override long Seek(long offset, SeekOrigin origin)
{
throw new NotSupportedException();
}
public override void SetLength(long value)
{
throw new NotSupportedException();
}
public override void Write(byte[] buffer, int offset, int count)
{
_pipeWriter.Write(new ReadOnlySpan<byte>(buffer, offset, count));
_length += count;
}
public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
Write(buffer, offset, count);
return Task.CompletedTask;
}
}
}