public override void OnStreamAdded(IHttp2Stream stream)
{
int streamId = stream.Id;
if (!_stateOnlyMap.TryGetValue(streamId, out State state))
{
state = new State(this, stream);
// Only the stream which was just added will change parents. So we only need an array of size 1.
List <ParentChangedEvent> events = new List <ParentChangedEvent>(1);
_connectionState.TakeChild(state, false, events);
NotifyParentChanged(events);
}
else
{
_ = _stateOnlyMap.Remove(streamId);
_ = _stateOnlyRemovalQueue.TryRemove(state);
state._stream = stream;
}
Http2StreamState streamState = stream.State;
if (Http2StreamState.ReservedRemote == streamState || Http2StreamState.ReservedLocal == streamState)
{
state.SetStreamReservedOrActivated();
// wasStreamReservedOrActivated is part of the comparator for stateOnlyRemovalQueue there is no
// need to reprioritize here because it will not be in stateOnlyRemovalQueue.
}
_ = stream.SetProperty(_stateKey, state);
}
public override void ChannelActive(IChannelHandlerContext context)
{
var ch = (IHttp2StreamChannel)context.Channel;
_stateOnActive = ch.Stream.State;
_streamId = ch.Stream.Id;
base.ChannelActive(context);
}
/// <summary>
/// Indicates whether the local side of this stream is open (i.e. the state is either
/// <see cref="Http2StreamState.Open"/> or <see cref="Http2StreamState.HalfClosedRemote"/>.
/// </summary>
public static bool LocalSideOpen(this Http2StreamState state)
{
return(state switch
{
Http2StreamState.Idle => false,
Http2StreamState.ReservedLocal => false,
Http2StreamState.ReservedRemote => false,
Http2StreamState.Open => true,
Http2StreamState.HalfClosedLocal => false,
Http2StreamState.HalfClosedRemote => true,
Http2StreamState.Closed => false,
_ => throw ThrowHelper.GetNotSupportedException(),
});
