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using System;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using Org.BouncyCastle.Utilities.IO;
namespace Org.BouncyCastle.Tls
{
internal class TlsStream
: Stream
{
private readonly TlsProtocol m_handler;
internal TlsStream(TlsProtocol handler)
{
m_handler = handler;
}
public override bool CanRead
{
get { return true; }
}
public override bool CanSeek
{
get { return false; }
}
public override bool CanWrite
{
get { return true; }
}
#if NETCOREAPP2_0_OR_GREATER || NETSTANDARD2_1_OR_GREATER
public override void CopyTo(Stream destination, int bufferSize)
{
Streams.CopyTo(this, destination, bufferSize);
}
#endif
public override Task CopyToAsync(Stream destination, int bufferSize, CancellationToken cancellationToken)
{
return Streams.CopyToAsync(this, destination, bufferSize, cancellationToken);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
m_handler.Close();
}
base.Dispose(disposing);
}
public override void Flush()
{
m_handler.Flush();
}
public override long Length
{
get { throw new NotSupportedException(); }
}
public override long Position
{
get { throw new NotSupportedException(); }
set { throw new NotSupportedException(); }
}
public override int Read(byte[] buffer, int offset, int count)
{
return m_handler.ReadApplicationData(buffer, offset, count);
}
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
public override int Read(Span<byte> buffer)
{
return m_handler.ReadApplicationData(buffer);
}
public override ValueTask<int> ReadAsync(Memory<byte> buffer, CancellationToken cancellationToken = default)
{
return Streams.ReadAsync(this, buffer, cancellationToken);
}
#endif
public override int ReadByte()
{
byte[] buf = new byte[1];
int ret = m_handler.ReadApplicationData(buf, 0, 1);
return ret <= 0 ? -1 : buf[0];
}
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)
{
m_handler.WriteApplicationData(buffer, offset, count);
}
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
public override void Write(ReadOnlySpan<byte> buffer)
{
m_handler.WriteApplicationData(buffer);
}
public override ValueTask WriteAsync(ReadOnlyMemory<byte> buffer, CancellationToken cancellationToken = default)
{
return Streams.WriteAsync(this, buffer, cancellationToken);
}
#endif
public override void WriteByte(byte value)
{
m_handler.WriteApplicationData(new byte[]{ value }, 0, 1);
}
}
}
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