Hi Simon,

Is the Python dependency that you're trying to get rid of on the Catalyst
side or on the pvserver/GUI side? If I remember correctly on the Catalyst
side Python was required for the Live connection.

Cheers,
Andy

On Wed, Jul 5, 2017 at 10:11 AM, Simon Klarmann <
klarm...@mechanik.tu-darmstadt.de> wrote:

> Dear Members,
>
>
>
> I wanted to get rid of the dependency on Python. The connection by pure
> C++ works just fine.
>
>
>
> The problem occurs when establishing the live connection to Paraview,
> closing Paraview and then try to send some data again.
>
> I tracked it down to the vtkSocket class inside the method Receive. After
> the connection is terminated on the Paraview side, e.g. by closing
> Paraview, the call of vtkLiveInsituLink::InsituUpdate gets stuck in the
> vtkSocket::Receive method. Even though I get a message that the connection
> was terminated.
>
>
>
> A temporary fix for my case was to replace in Line 609 of the
> vtkSocket.cxx if (nRecvd == 0) with if (nRecvd <= 0), because on
> disconnection the return value of nRecvd is -1. Then everything works well.
>
>
>
> I only used the following methods in the given order to transfer the data:
>
>
>
> vtkLiveInsituLink::InsituUpdate
>
> vtkSMSourceProxy::UpdatePipeline
>
> vtkLiveInsituLink::InsituPostProcess
>
>
>
>
>
> Are there further steps to perform or is there a way to check if the
> connection is still alive?
>
>
>
>
>
> Operating System: Windows 7, Visual Studio 2017
>
>
>
> Thanks,
>
> Simon
>
>
>
>
>
>
>
>
>
> Dipl.-Ing. Simon Klarmann
>
>
>
> *Bau- und Umweltingenieurwissenschaften*
> Technische Universität Darmstadt
>
> Fachgebiet Festkörpermechanik
>
>
>
> Tel.: +49 6151 16 – 22642 <+49%206151%201622642>
>
> Mail: klarm...@mechanik.tu-darmstadt.de
>
> Franziska-Braun-Straße 7
>
> Gebäude L5|01, Raum 542
>
> 64287 Darmstadt
>
>
>
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