aspnetcore/src/Microsoft.AspNetCore.Server.../Server/DuplexStream.cs

70 lines
2.1 KiB
C#

// 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.IO;
using System.Threading;
using System.Threading.Tasks;
namespace Microsoft.AspNetCore.Server.IISIntegration
{
// TODO redudant file, remove
// See https://github.com/aspnet/IISIntegration/issues/426
internal class DuplexStream : Stream
{
private Stream _requestBody;
private Stream _responseBody;
public DuplexStream(Stream requestBody, Stream responseBody)
{
_requestBody = requestBody;
_responseBody = responseBody;
}
public override bool CanRead => true;
public override bool CanSeek => false;
public override bool CanWrite => true;
public override long Length => throw new NotSupportedException();
public override long Position { get => throw new NotSupportedException(); set => throw new NotSupportedException(); }
public override void Flush()
{
_responseBody.Flush();
}
public override int Read(byte[] buffer, int offset, int count)
{
return _requestBody.Read(buffer, offset, count);
}
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)
{
_responseBody.Write(buffer, offset, count);
}
public override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
return _requestBody.ReadAsync(buffer, offset, count, cancellationToken);
}
public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
return _responseBody.WriteAsync(buffer, offset, count, cancellationToken);
}
}
}