void Register0(TaskCompletionSource promise)
{
try
{
// check if the channel is still open as it could be closed input the mean time when the register
// call was outside of the eventLoop
if (!promise.SetUncancellable() || !EnsureOpen(promise))
{
PromiseUtil.SafeSetFailure(promise, ClosedChannelException.Instance, Logger);
return;
}
bool firstRegistration = this.neverRegistered;
this._channel.DoRegister();
this.neverRegistered = false;
this._channel._registered = true;
this._channel._eventLoop.AcceptNewTasks();
PromiseUtil.SafeSetSuccess(promise, Logger);
_channel._pipeline.FireChannelRegistered();
// Only fire a channelActive if the channel has never been registered. This prevents firing
// multiple channel actives if the channel is deregistered and re-registered.
if (firstRegistration && this._channel.IsActive)
{
_channel._pipeline.FireChannelActive();
}
}
catch (Exception t)
{
// Close the channel directly to avoid FD leak.
CloseForcibly();
_channel._closeTask.Complete();
PromiseUtil.SafeSetFailure(promise, t, Logger);
}
}
public bool Remove()
{
var e = _flushedEntry;
if (e == null)
{
return(false);
}
var msg = e.Message;
var promise = e.Promise;
var size = e.PendingSize;
RemoveEntry(e);
if (!e.Cancelled)
{
// only release message, notify and decrement if it was not canceled before.
ReferenceCountUtil.SafeRelease(msg);
PromiseUtil.SafeSetSuccess(promise, Logger);
DecrementPendingOutboundBytes(size, true);
}
e.Recycle();
return(true);
}
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);
}
public void SafeSetSuccess(TaskCompletionSource promise)
{
PromiseUtil.SafeSetSuccess(promise, Logger);
}