Frameworks in Ubuntu Core
mark at ubuntu.com
Tue Oct 20 16:00:23 UTC 2015
My recommendation would be to start out with everything in a single
snap, then break out the things that make sense later. Keep us posted!
On 20/10/15 08:26, Ted Gould wrote:
> On Tue, 2015-10-20 at 14:31 +0000, Gianluca Bardaro wrote:
>> I'm trying to use ROS in Ubuntu Core. I know there are already some
>> implementations, but I want to follow a slightly different approach.
>> My aim is to create a framework for the main features of ROS and
>> independent snaps for one or multiple nodes.
>> The point is: I don't understand exactly what a framework can do.
>> Can I use libs included inside an hypothetical ROS framework (i.e.
>> libroscpp.so) in a snap? If so, how can I do that?
> Probably the best way to think about a framework is a service,
> specifically a service that shares a resource between multiple
> applications. So if you've got a service that doesn't need to talk to
> multiple snaps, an app snap works perfectly well. It doesn't export
> files to an application, just an IPC interface, so sharing libraries
> isn't really possible. Libraries should be included in the applications
> that are connecting to it.
> So then specifically to what you're talking about, libroscpp.so would
> exist both in the ROS framework and the applications. It could be
> different versions (an app may need a specific patch).
> I'm a little curious why you want to put the ROS services in to a
> framework. We've definitely looked at that, but weren't sure of all the
> use-cases involved, so I'd love to learn more about what you're
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