protected virtual Task CloseAsync()
{
if (!Connected)
{
return(Task.FromResult(false));
}
Interlocked.CompareExchange(ref _connected, 0, 1);
_cts.Cancel();
_packetQueue.CompleteAdding();
try
{
if (ConnectionClient != null)
{
ConnectionClient.Disconnect(false);
if (ConnectionClient.Poll(10000, SelectMode.SelectRead))
{
}
}
}
catch
{
}
finally
{
EventHandler disconnected = Disconnected;
if (disconnected != null)
{
disconnected(this, EventArgs.Empty);
}
if (ConnectionClient != null)
{
ConnectionClient.Close();
ConnectionClient = null;
}
if (Completed != null)
{
Completed.SetResult(true);
}
}
return(Task.FromResult(false));
}