QuicStream.cs

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using System.Buffers;
using System.IO;
using System.Net.Quic.Implementations;
using System.Threading;
using System.Threading.Tasks;
 
namespace System.Net.Quic;
 
public sealed class QuicStream : Stream
{
    private readonly QuicStreamProvider _provider;
 
    public override bool CanSeek => false;
 
    public override long Length
    {
        get
        {
            throw new NotSupportedException();
        }
    }
 
    public override long Position
    {
        get
        {
            throw new NotSupportedException();
        }
        set
        {
            throw new NotSupportedException();
        }
    }
 
    public long StreamId => _provider.StreamId;
 
    public override bool CanRead => _provider.CanRead;
 
    public bool ReadsCompleted => _provider.ReadsCompleted;
 
    public override bool CanWrite => _provider.CanWrite;
 
    public override bool CanTimeout => _provider.CanTimeout;
 
    public override int ReadTimeout
    {
        get
        {
            return _provider.ReadTimeout;
        }
        set
        {
            _provider.ReadTimeout = value;
        }
    }
 
    public override int WriteTimeout
    {
        get
        {
            return _provider.WriteTimeout;
        }
        set
        {
            _provider.WriteTimeout = value;
        }
    }
 
    internal QuicStream(QuicStreamProvider provider)
    {
        _provider = provider;
    }
 
    public override long Seek(long offset, SeekOrigin origin)
    {
        throw new NotSupportedException();
    }
 
    public override void SetLength(long value)
    {
        throw new NotSupportedException();
    }
 
    public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
    {
        return System.Threading.Tasks.TaskToApm.Begin(ReadAsync(buffer, offset, count, default(CancellationToken)), callback, state);
    }
 
    public override int EndRead(IAsyncResult asyncResult)
    {
        return System.Threading.Tasks.TaskToApm.End<int>(asyncResult);
    }
 
    public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
    {
        return System.Threading.Tasks.TaskToApm.Begin(WriteAsync(buffer, offset, count, default(CancellationToken)), callback, state);
    }
 
    public override void EndWrite(IAsyncResult asyncResult)
    {
        System.Threading.Tasks.TaskToApm.End(asyncResult);
    }
 
    public override int Read(byte[] buffer, int offset, int count)
    {
        Stream.ValidateBufferArguments(buffer, offset, count);
        return Read(buffer.AsSpan(offset, count));
    }
 
    public override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
    {
        Stream.ValidateBufferArguments(buffer, offset, count);
        return ReadAsync(new Memory<byte>(buffer, offset, count), cancellationToken).AsTask();
    }
 
    public override void Write(byte[] buffer, int offset, int count)
    {
        Stream.ValidateBufferArguments(buffer, offset, count);
        Write(buffer.AsSpan(offset, count));
    }
 
    public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
    {
        Stream.ValidateBufferArguments(buffer, offset, count);
        return WriteAsync(new ReadOnlyMemory<byte>(buffer, offset, count), cancellationToken).AsTask();
    }
 
    public override int Read(Span<byte> buffer)
    {
        return _provider.Read(buffer);
    }
 
    public override ValueTask<int> ReadAsync(Memory<byte> buffer, CancellationToken cancellationToken = default(CancellationToken))
    {
        return _provider.ReadAsync(buffer, cancellationToken);
    }
 
    public override void Write(ReadOnlySpan<byte> buffer)
    {
        _provider.Write(buffer);
    }
 
    public override ValueTask WriteAsync(ReadOnlyMemory<byte> buffer, CancellationToken cancellationToken = default(CancellationToken))
    {
        return _provider.WriteAsync(buffer, cancellationToken);
    }
 
    public override void Flush()
    {
        _provider.Flush();
    }
 
    public override Task FlushAsync(CancellationToken cancellationToken)
    {
        return _provider.FlushAsync(cancellationToken);
    }
 
    public void AbortRead(long errorCode)
    {
        _provider.AbortRead(errorCode);
    }
 
    public void AbortWrite(long errorCode)
    {
        _provider.AbortWrite(errorCode);
    }
 
    public ValueTask WriteAsync(ReadOnlyMemory<byte> buffer, bool endStream, CancellationToken cancellationToken = default(CancellationToken))
    {
        return _provider.WriteAsync(buffer, endStream, cancellationToken);
    }
 
    public ValueTask WriteAsync(ReadOnlySequence<byte> buffers, CancellationToken cancellationToken = default(CancellationToken))
    {
        return _provider.WriteAsync(buffers, cancellationToken);
    }
 
    public ValueTask WriteAsync(ReadOnlySequence<byte> buffers, bool endStream, CancellationToken cancellationToken = default(CancellationToken))
    {
        return _provider.WriteAsync(buffers, endStream, cancellationToken);
    }
 
    public ValueTask WriteAsync(ReadOnlyMemory<ReadOnlyMemory<byte>> buffers, CancellationToken cancellationToken = default(CancellationToken))
    {
        return _provider.WriteAsync(buffers, cancellationToken);
    }
 
    public ValueTask WriteAsync(ReadOnlyMemory<ReadOnlyMemory<byte>> buffers, bool endStream, CancellationToken cancellationToken = default(CancellationToken))
    {
        return _provider.WriteAsync(buffers, endStream, cancellationToken);
    }
 
    public ValueTask ShutdownCompleted(CancellationToken cancellationToken = default(CancellationToken))
    {
        return _provider.ShutdownCompleted(cancellationToken);
    }
 
    public ValueTask WaitForWriteCompletionAsync(CancellationToken cancellationToken = default(CancellationToken))
    {
        return _provider.WaitForWriteCompletionAsync(cancellationToken);
    }
 
    public void Shutdown()
    {
        _provider.Shutdown();
    }
 
    protected override void Dispose(bool disposing)
    {
        if (disposing)
        {
            _provider.Dispose();
        }
    }
}