private State GetState(IHttp2Stream stream)
{
if (stream is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.stream);
}
return(stream.GetProperty <State>(_stateKey));
}
private void OnHttp2StreamStateChanged0(IHttp2Stream stream)
{
var stream2 = stream.GetProperty <DefaultHttp2FrameStream>(_frameCodec._streamKey);
if (stream2 is object)
{
_frameCodec.OnHttp2StreamStateChanged(_frameCodec._ctx, stream2);
}
}
public override void OnStreamRemoved(IHttp2Stream stream)
{
var compressor = stream.GetProperty <EmbeddedChannel>(_encoder._propertyKey);
if (compressor is object)
{
_encoder.Cleanup(stream, compressor);
}
}
private bool InternalVisit(IHttp2Stream stream, Func <IHttp2FrameStream, bool> streamVisitor)
{
try
{
return(streamVisitor(stream.GetProperty <IHttp2FrameStream>(_streamKey)));
}
catch (Exception cause)
{
OnError(_ctx, false, cause);
return(false);
}
}
private FlowState GetState(IHttp2Stream stream)
{
return(stream.GetProperty <FlowState>(_stateKey));
}
/// <summary>
/// Get the <see cref="IFullHttpMessage"/> associated with <paramref name="stream"/>.
/// </summary>
/// <param name="stream">The stream to get the associated state from</param>
/// <returns>The <see cref="IFullHttpMessage"/> associated with <paramref name="stream"/>.</returns>
protected IFullHttpMessage GetMessage(IHttp2Stream stream)
{
return(stream.GetProperty <IFullHttpMessage>(_messageKey));
}
Http2Decompressor Decompressor(IHttp2Stream stream)
{
return(stream?.GetProperty <Http2Decompressor>(_propertyKey));
}
public override Task WriteDataAsync(IChannelHandlerContext ctx, int streamId, IByteBuffer data, int padding, bool endOfStream, IPromise promise)
{
IHttp2Stream stream = Connection.Stream(streamId);
EmbeddedChannel channel = stream?.GetProperty <EmbeddedChannel>(_propertyKey);
if (channel is null)
{
// The compressor may be null if no compatible encoding type was found in this stream's headers
return(base.WriteDataAsync(ctx, streamId, data, padding, endOfStream, promise));
}
try
{
// The channel will release the buffer after being written
_ = channel.WriteOutbound(data);
var buf = NextReadableBuf(channel);
if (buf is null)
{
if (endOfStream)
{
if (channel.Finish())
{
buf = NextReadableBuf(channel);
}
return(base.WriteDataAsync(ctx, streamId, buf ?? Unpooled.Empty, padding,
true, promise));
}
// END_STREAM is not set and the assumption is data is still forthcoming.
promise.Complete();
return(promise.Task);
}
var tasks = new List <Task>();
while (true)
{
var nextBuf = NextReadableBuf(channel);
var compressedEndOfStream = nextBuf is null && endOfStream;
if (compressedEndOfStream && channel.Finish())
{
nextBuf = NextReadableBuf(channel);
compressedEndOfStream = nextBuf is null;
}
var bufPromise = ctx.NewPromise();
tasks.Add(bufPromise.Task);
_ = base.WriteDataAsync(ctx, streamId, buf, padding, compressedEndOfStream, bufPromise);
if (nextBuf is null)
{
break;
}
padding = 0; // Padding is only communicated once on the first iteration
buf = nextBuf;
}
Task.WhenAll(tasks).LinkOutcome(promise);
}
catch (Exception cause)
{
_ = promise.TrySetException(cause);
}
finally
{
if (endOfStream)
{
Cleanup(stream, channel);
}
}
return(promise.Task);
}
IFlowState GetState(IHttp2Stream stream) => stream.GetProperty <IFlowState>(_stateKey);
