internal async Task InnerProcessRequestsAsync <TContext>(IHttpApplication <TContext> application)
{
// Start other three unidirectional streams here.
var controlTask = CreateControlStream(application);
var encoderTask = CreateEncoderStream(application);
var decoderTask = CreateDecoderStream(application);
try
{
while (true)
{
var streamContext = await _multiplexedContext.AcceptAsync();
if (streamContext == null || _haveSentGoAway)
{
break;
}
var quicStreamFeature = streamContext.Features.Get <IStreamDirectionFeature>();
var streamIdFeature = streamContext.Features.Get <IStreamIdFeature>();
Debug.Assert(quicStreamFeature != null);
var httpConnectionContext = new Http3StreamContext
{
ConnectionId = streamContext.ConnectionId,
StreamContext = streamContext,
// TODO connection context is null here. Should we set it to anything?
ServiceContext = _context.ServiceContext,
ConnectionFeatures = streamContext.Features,
MemoryPool = _context.MemoryPool,
Transport = streamContext.Transport,
TimeoutControl = _context.TimeoutControl,
LocalEndPoint = streamContext.LocalEndPoint as IPEndPoint,
RemoteEndPoint = streamContext.RemoteEndPoint as IPEndPoint
};
if (!quicStreamFeature.CanWrite)
{
// Unidirectional stream
var stream = new Http3ControlStream <TContext>(application, this, httpConnectionContext);
ThreadPool.UnsafeQueueUserWorkItem(stream, preferLocal: false);
}
else
{
// Keep track of highest stream id seen for GOAWAY
var streamId = streamIdFeature.StreamId;
HighestStreamId = streamId;
var http3Stream = new Http3Stream <TContext>(application, this, httpConnectionContext);
var stream = http3Stream;
lock (_streams)
{
_streams[streamId] = http3Stream;
}
KestrelEventSource.Log.RequestQueuedStart(stream, AspNetCore.Http.HttpProtocol.Http3);
ThreadPool.UnsafeQueueUserWorkItem(stream, preferLocal: false);
}
}
}
finally
{
// Abort all streams as connection has shutdown.
lock (_streams)
{
foreach (var stream in _streams.Values)
{
stream.Abort(new ConnectionAbortedException("Connection is shutting down."));
}
}
ControlStream?.Abort(new ConnectionAbortedException("Connection is shutting down."));
EncoderStream?.Abort(new ConnectionAbortedException("Connection is shutting down."));
DecoderStream?.Abort(new ConnectionAbortedException("Connection is shutting down."));
await controlTask;
await encoderTask;
await decoderTask;
}
}
public async Task ProcessRequestsAsync <TContext>(IHttpApplication <TContext> application)
{
var streamListenerFeature = Context.ConnectionFeatures.Get <IQuicStreamListenerFeature>();
// Start other three unidirectional streams here.
var controlTask = CreateControlStream(application);
var encoderTask = CreateEncoderStream(application);
var decoderTask = CreateDecoderStream(application);
try
{
while (true)
{
var connectionContext = await streamListenerFeature.AcceptAsync();
if (connectionContext == null || _haveSentGoAway)
{
break;
}
var httpConnectionContext = new HttpConnectionContext
{
ConnectionId = connectionContext.ConnectionId,
ConnectionContext = connectionContext,
Protocols = Context.Protocols,
ServiceContext = Context.ServiceContext,
ConnectionFeatures = connectionContext.Features,
MemoryPool = Context.MemoryPool,
Transport = connectionContext.Transport,
TimeoutControl = Context.TimeoutControl,
LocalEndPoint = connectionContext.LocalEndPoint as IPEndPoint,
RemoteEndPoint = connectionContext.RemoteEndPoint as IPEndPoint
};
var streamFeature = httpConnectionContext.ConnectionFeatures.Get <IQuicStreamFeature>();
if (!streamFeature.CanWrite)
{
// Unidirectional stream
var stream = new Http3ControlStream <TContext>(application, this, httpConnectionContext);
ThreadPool.UnsafeQueueUserWorkItem(stream, preferLocal: false);
}
else
{
// Keep track of highest stream id seen for GOAWAY
var streamId = streamFeature.StreamId;
HighestStreamId = streamId;
var http3Stream = new Http3Stream <TContext>(application, this, httpConnectionContext);
var stream = http3Stream;
_streams[streamId] = http3Stream;
ThreadPool.UnsafeQueueUserWorkItem(stream, preferLocal: false);
}
}
}
finally
{
// Abort all streams as connection has shutdown.
foreach (var stream in _streams.Values)
{
stream.Abort(new ConnectionAbortedException("Connection is shutting down."));
}
ControlStream.Abort(new ConnectionAbortedException("Connection is shutting down."));
EncoderStream.Abort(new ConnectionAbortedException("Connection is shutting down."));
DecoderStream.Abort(new ConnectionAbortedException("Connection is shutting down."));
await controlTask;
await encoderTask;
await decoderTask;
}
}