public override async ValueTask <ConnectionContext?> AcceptAsync(CancellationToken cancellationToken = default)
{
try
{
var stream = await _connection.AcceptStreamAsync(cancellationToken);
var context = new QuicStreamContext(stream, this, _context);
context.Start();
_log.AcceptedStream(context);
return(context);
}
catch (QuicConnectionAbortedException ex)
{
// Shutdown initiated by peer, abortive.
_log.ConnectionAborted(this, ex);
ThreadPool.UnsafeQueueUserWorkItem(state =>
{
state.CancelConnectionClosedToken();
},
this,
preferLocal: false);
}
catch (QuicOperationAbortedException)
{
// Shutdown initiated by us
// Allow for graceful closure.
}
return(null);
}
public override ValueTask <ConnectionContext> ConnectAsync(IFeatureCollection?features = null, CancellationToken cancellationToken = default)
{
QuicStream quicStream;
var streamDirectionFeature = features?.Get <IStreamDirectionFeature>();
if (streamDirectionFeature != null)
{
if (streamDirectionFeature.CanRead)
{
quicStream = _connection.OpenBidirectionalStream();
}
else
{
quicStream = _connection.OpenUnidirectionalStream();
}
}
else
{
quicStream = _connection.OpenBidirectionalStream();
}
var context = new QuicStreamContext(quicStream, this, _context);
context.Start();
_log.ConnectedStream(context);
return(new ValueTask <ConnectionContext>(context));
}
public override async ValueTask <ConnectionContext?> AcceptAsync(CancellationToken cancellationToken = default)
{
try
{
var stream = await _connection.AcceptStreamAsync(cancellationToken);
var context = new QuicStreamContext(stream, this, _context);
context.Start();
return(context);
}
catch (QuicConnectionAbortedException ex)
{
// Shutdown initiated by peer, abortive.
// TODO cancel CTS here?
_log.LogDebug($"Accept loop ended with exception: {ex.Message}");
}
catch (QuicOperationAbortedException)
{
// Shutdown initiated by us
// Allow for graceful closure.
}
return(null);
}
public override ValueTask <ConnectionContext> ConnectAsync(IFeatureCollection?features = null, CancellationToken cancellationToken = default)
{
QuicStream quicStream;
var streamDirectionFeature = features?.Get <IStreamDirectionFeature>();
if (streamDirectionFeature != null)
{
if (streamDirectionFeature.CanRead)
{
quicStream = _connection.OpenBidirectionalStream();
}
else
{
quicStream = _connection.OpenUnidirectionalStream();
}
}
else
{
quicStream = _connection.OpenBidirectionalStream();
}
// Only a handful of control streams are created by the server and they last for the
// lifetime of the connection. No value in pooling them.
QuicStreamContext?context = new QuicStreamContext(this, _context);
context.Initialize(quicStream);
context.Start();
QuicLog.ConnectedStream(_log, context);
return(new ValueTask <ConnectionContext>(context));
}
public ValueTask <ConnectionContext> StartBidirectionalStreamAsync()
{
var stream = _connection.OpenBidirectionalStream();
var context = new QuicStreamContext(stream, this, _context);
context.Start();
return(new ValueTask <ConnectionContext>(context));
}