public int AdvanceUpToAndWait(long bytes, out OutputFlowControlAwaitable awaitable)
{
var leastAvailableFlow = _connectionLevelFlowControl.Available < _streamLevelFlowControl.Available
? _connectionLevelFlowControl : _streamLevelFlowControl;
// Clamp ~= Math.Clamp from netcoreapp >= 2.0
var actual = Clamp(leastAvailableFlow.Available, 0, bytes);
// Make sure to advance prior to accessing AvailabilityAwaitable.
_connectionLevelFlowControl.Advance(actual);
_streamLevelFlowControl.Advance(actual);
awaitable = null;
_currentConnectionLevelAwaitable = null;
if (actual < bytes)
{
awaitable = leastAvailableFlow.AvailabilityAwaitable;
if (leastAvailableFlow == _connectionLevelFlowControl)
{
_currentConnectionLevelAwaitable = awaitable;
}
}
return(actual);
}
public void Reset(uint initialWindowSize)
{
_streamLevelFlowControl.Reset(initialWindowSize);
if (_currentConnectionLevelAwaitable != null)
{
Debug.Assert(_currentConnectionLevelAwaitable.IsCompleted, "Should have been completed by the previous stream.");
_currentConnectionLevelAwaitable = null;
}
}