[ros-users] Topic Relaying between two different ROS masters

[Jan Winkler]

Hi Tully,

Alright, that was totally off my radar. I'll go check it. Thanks!

Cheers,
Jan


> On 02.04.2015, at 06:30, Tully Foote <tfoote at osrfoundation.org> wrote:
> 
> Hi Jan et al, 
> 
> For awareness there's actually several multimaster implementations and a SIG for discussing them as well: http://wiki.ros.org/sig/Multimaster
> 
> If anyone would like more info on any of these, I suggest you poke around on that sig. The mailing list is: http://wiki.ros.org/sig/Multimaster
> 
> Cheers,
> Tully
> 
>> On Wed, Apr 1, 2015 at 8:55 PM, Jan Winkler via ros-users <ros-users at lists.ros.org> wrote:
>> Hey,
>> 
>> It does, especially that case.
>> I had a look over what Moritz sent around and wasn't aware of the mulitmaster project - looks pretty advanced :). I'll reconsider using that one in the future if that works for us :).
>> 
>> Cheers,
>> Jan
>> 
>> 
>> > On 01.04.2015, at 21:50, Ką Mykolas via ros-users <ros-users at lists.ros.org> wrote:
>> >
>> > Just wondering... does it work with masters from different ROS
>> > versions? For example Groovy <---> Indigo.
>> >
>> >> On 4/1/15, Moritz Tenorth via ros-users <ros-users at lists.ros.org> wrote:
>> >> Hi,
>> >>
>> >> inwiefern ist das anders als http://wiki.ros.org/multimaster_fkie ?
>> >>
>> >> ciao
>> >> MoritzOn Apr 1, 2015 4:27 PM, Jan Winkler via ros-users
>> >> <ros-users at lists.ros.org> wrote:
>> >>>
>> >>> Hello everyone,
>> >>>
>> >>> In our lab, the requirement of sharing a topic between two different ROS
>> >>> master instances came up in different contexts.
>> >>>
>> >>> I just wanted to let you know about the tool that was developed for that
>> >>> purpose:
>> >>>
>> >>> * https://github.com/code-iai/topic_relay
>> >>>
>> >>> It basically connects to both masters (without a priori knowledge about
>> >>> the topic type) and blindly forwards messages between the two ROS master
>> >>> instances.
>> >>>
>> >>> I'm posting this in case anyone else runs into this situation.
>> >>>
>> >>> NOTE: Its still pretty hacky, but works reliably for us so far. Will be
>> >>> cleaned up as soon as I find time to do that :).
>> >>>
>> >>> All the best,
>> >>> Jan
>> >>>
>> >>> --
>> >>> Dipl. Ing. Jan Winkler
>> >>> Institute for Artificial Intelligence
>> >>> University of Bremen
>> >>> Am Fallturm 1
>> >>> 28359 Bremen, Germany
>> >>> Phone: +49 421 218 64019
>> >>> Fax: +49 421 218 64047
>> >>> EMail: winkler at cs.uni-bremen.de
>> >>>
>> >>> Open-EASE - Web Analysis Tool for Robot Experience Data:
>> >>> http://www.open-ease.org/
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