protected virtual void Flush0()
{
if (inFlush0)
{
// Avoid re-entrance
return;
}
ChannelOutboundBuffer outboundBuffer = this.outboundBuffer;
if (outboundBuffer == null || outboundBuffer.IsEmpty)
{
return;
}
this.inFlush0 = true;
// Mark all pending write requests as failure if the channel is inactive.
if (!this._channel.IsActive)
{
try
{
if (this._channel.IsOpen)
{
outboundBuffer.FailFlushed(NotYetConnectedException.Instance, true);
}
else
{
// Do not trigger channelWritabilityChanged because the channel is closed already.
outboundBuffer.FailFlushed(ClosedChannelException.Instance, false);
}
}
finally
{
this.inFlush0 = false;
}
return;
}
try
{
this._channel.DoWrite(outboundBuffer);
}
catch (Exception t)
{
outboundBuffer.FailFlushed(t, true);
}
finally
{
this.inFlush0 = false;
}
}
public Task CloseAsync() //CancellationToken cancellationToken)
{
var promise = new TaskCompletionSource();
if (!promise.SetUncancellable())
{
return(promise.Task);
}
//if (cancellationToken.IsCancellationRequested)
//{
// return TaskEx.Cancelled;
//}
if (this.outboundBuffer == null)
{
// Only needed if no VoidChannelPromise.
if (promise != TaskCompletionSource.Void)
{
// This means close() was called before so we just register a listener and return
return(this._channel._closeTask.Task);
}
return(promise.Task);
}
if (this._channel._closeTask.Task.IsCompleted)
{
// Closed already.
PromiseUtil.SafeSetSuccess(promise, Logger);
return(promise.Task);
}
bool wasActive = this._channel.IsActive;
ChannelOutboundBuffer buffer = this.outboundBuffer;
this.outboundBuffer = null; // Disallow adding any messages and flushes to outboundBuffer.
try
{
// Close the channel and fail the queued messages input all cases.
this.DoClose0(promise);
}
finally
{
// Fail all the queued messages.
buffer.FailFlushed(ClosedChannelException.Instance, false);
buffer.Close(ClosedChannelException.Instance);
}
if (this.inFlush0)
{
this.InvokeLater(() => this.FireChannelInactiveAndDeregister(wasActive));
}
else
{
this.FireChannelInactiveAndDeregister(wasActive);
}
return(promise.Task);
}
