aspnetcore/test/Microsoft.AspNetCore.WebSoc.../DuplexStream.cs

124 lines
2.9 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved. 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.WebSockets.Test
{
// A duplex wrapper around a read and write stream.
public class DuplexStream : Stream
{
public BufferStream ReadStream { get; }
public BufferStream WriteStream { get; }
public DuplexStream()
: this (new BufferStream(), new BufferStream())
{
}
public DuplexStream(BufferStream readStream, BufferStream writeStream)
{
ReadStream = readStream;
WriteStream = writeStream;
}
public DuplexStream CreateReverseDuplexStream()
{
return new DuplexStream(WriteStream, ReadStream);
}
#region Properties
public override bool CanRead
{
get { return ReadStream.CanRead; }
}
public override bool CanSeek
{
get { return false; }
}
public override bool CanTimeout
{
get { return ReadStream.CanTimeout || WriteStream.CanTimeout; }
}
public override bool CanWrite
{
get { return WriteStream.CanWrite; }
}
public override long Length
{
get { throw new NotSupportedException(); }
}
public override long Position
{
get { throw new NotSupportedException(); }
set { throw new NotSupportedException(); }
}
public override int ReadTimeout
{
get { return ReadStream.ReadTimeout; }
set { ReadStream.ReadTimeout = value; }
}
public override int WriteTimeout
{
get { return WriteStream.WriteTimeout; }
set { WriteStream.WriteTimeout = value; }
}
#endregion Properties
public override long Seek(long offset, SeekOrigin origin)
{
throw new NotSupportedException();
}
public override void SetLength(long value)
{
throw new NotSupportedException();
}
#region Read
public override int Read(byte[] buffer, int offset, int count)
{
return ReadStream.Read(buffer, offset, count);
}
#endregion Read
#region Write
public override void Write(byte[] buffer, int offset, int count)
{
WriteStream.Write(buffer, offset, count);
}
public override void Flush()
{
WriteStream.Flush();
}
#endregion Write
protected override void Dispose(bool disposing)
{
if (disposing)
{
ReadStream.Dispose();
WriteStream.Dispose();
}
base.Dispose(disposing);
}
}
}