Multiple Connections at slave in 2.0.3

2010/8/25 Jeff <email address hidden>:
> New question #122711 on libmodbus:
> https://answers.launchpad.net/libmodbus/+question/122711
>
> I need to support multiple connections to a modbus tcp server implemented with libmodbus 2.0.3. We're using 2.0.3 because it's officially the stable one, however the multiple connection example in the trunk was written against 2.1.0 (officially experimental).
>
> I see a few options:
>  * Convince me that 2.1.0 is as stable as 2.0.3 and then I'll just use the "bandwidth-slave-many-up.c" sample code as is with the newer library.
>  * Back port selected 2.1.0 code to 2.0.3 so that it will support the "bandwidth-slave-many-up.c" sample code.
>  * Roll my own code
>
> Which approach do you recommend for maximum stability? I'll need an indication about the relative stability of 2.10 vs 2.0.3 if I migrate to 2.1.0.
>

I think the 2.9.1 release is more robust than 2.0.3, but the API is
new and not stable (but not very probable that it changes now before
final 3.0.0).
http://libmodbus.org

Stephane

if you need now support for multiple connections,
you can use my code (https://code.launchpad.net/~emmeci/libmodbus/emmeci).
It's based on 2.0.3 but with several changes I added and one of them is
multiple connection support otherwise if you can use the official branch
it's better.

On Wed, Aug 25, 2010 at 4:11 PM, Jeff
<email address hidden>wrote:

> New question #122711 on libmodbus:
> https://answers.launchpad.net/libmodbus/+question/122711
>
> I need to support multiple connections to a modbus tcp server implemented
> with libmodbus 2.0.3. We're using 2.0.3 because it's officially the stable
> one, however the multiple connection example in the trunk was written
> against 2.1.0 (officially experimental).
>
> I see a few options:
> * Convince me that 2.1.0 is as stable as 2.0.3 and then I'll just use the
> "bandwidth-slave-many-up.c" sample code as is with the newer library.
> * Back port selected 2.1.0 code to 2.0.3 so that it will support the
> "bandwidth-slave-many-up.c" sample code.
> * Roll my own code
>
> Which approach do you recommend for maximum stability? I'll need an
> indication about the relative stability of 2.10 vs 2.0.3 if I migrate to
> 2.1.0.
>
> (My platform is Linux 2.6)
>
> Thanks,
> Jeff
>
> --
> You received this question notification because you are a member of
> Modbus Team, which is an answer contact for libmodbus.
>

2010/8/25 Marco <email address hidden>:
> Marco proposed the following answer:
> if you need now support for multiple connections,
> you can use my code (https://code.launchpad.net/~emmeci/libmodbus/emmeci).
> It's based on 2.0.3 but with several changes I added and one of them is
> multiple connection support otherwise if you can use the official branch
> it's better.
>

Your branch description mentions « bug fixing » but the commits aren't
very explicit on the subject.
Do you have bug fixes in your branch not present in upstream?

Thank you,
Stéphane

yes I'm sorry,
but I committed all the work I did in the past in one shot. Now I'm away,
when I'll be back I will try to do a compare against official 2.0.3 in order
to describe better what I did in order to do something more useful.

Excuse me again!

Marco

On Thu, Aug 26, 2010 at 12:15 AM, Stéphane Raimbault <
<email address hidden>> wrote:

> Question #122711 on libmodbus changed:
> https://answers.launchpad.net/libmodbus/+question/122711
>
> Stéphane Raimbault proposed the following answer:
> 2010/8/25 Marco <email address hidden>:
> > Marco proposed the following answer:
> > if you need now support for multiple connections,
> > you can use my code (https://code.launchpad.net/~emmeci/libmodbus/emmeci
> ).
> > It's based on 2.0.3 but with several changes I added and one of them is
> > multiple connection support otherwise if you can use the official branch
> > it's better.
> >
>
> Your branch description mentions « bug fixing » but the commits aren't
> very explicit on the subject.
> Do you have bug fixes in your branch not present in upstream?
>
> Thank you,
> Stéphane
>
> --
> You received this question notification because you are a member of
> Modbus Team, which is an answer contact for libmodbus.
>

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