public Task StopAsync()
{
lock (_stateLock)
{
switch (_connectionState)
{
case ConnectionState.SocketClosed:
return(TaskUtilities.CompletedTask);
case ConnectionState.CreatingFrame:
_connectionState = ConnectionState.ToDisconnect;
break;
case ConnectionState.Open:
_frame.Stop();
SocketInput.CompleteAwaiting();
break;
}
_socketClosedTcs = new TaskCompletionSource <object>();
return(_socketClosedTcs.Task);
}
}