Experimental Physics and Industrial Control System
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Hi Jon,
On 29/05/2016 04:41, Jon Brinkmann wrote:
Several years ago Andre Charbonneau described how to tunnel CA
through ssh tunnels:
http://www.aps.anl.gov/epics/tech-talk/2013/msg00142.php
The method works well for EPICS base and extensions that use the EPICS
libraries. It doesn't work with CSS because CSS doesn't use those libraries.
I think CSS uses Java CA. I've searched the CSS documentation and the
Internet in vain. Can it be done in the current version of CSS (4.1.1)?
If so, how? If not, would you consider adding that functionality?
Alas, this feature has not been added to Java CA.
Basically, you have three options:
- Add it to Java CA. You probably want to coordinate with the
upstream authors on the best way to do that.
- Pay someone to add it to Java CA. There are consulting firms
that would be in the position to help. Osprey DCS and Cosylab
are among those.
- Use a workaround. Either a specific UDP solution (as the one
one Till pointed out), or an EPICS CA Gateway on your client
side box. The Gateway would use on its client side a setup
similar to the one described in the Tech-Talk message you refer
to (but with a different local port), and set its server side to
localhost:5064.
CS-Studio instances (and all other clients) would then use that
Gateway on localhost to get through the tunnel.
Hope this helps,
~Ralph
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- References:
- Dynamically refresh CSS BOY runtime OPI Zhang Yuliang
- RE: Dynamically refresh CSS BOY runtime OPI Mazanec Tomáš
- RE: Dynamically refresh CSS BOY runtime OPI will.rogers
- Re: Dynamically refresh CSS BOY runtime OPI Kasemir, Kay
- Unable to tunnel CSS CA through ssh tunnels Jon Brinkmann
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ANJ, 15 Jul 2016 |
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