[openrtm-users 02899] Re: using dynamically created ports

[Ando Noriaki]

Hi,

I could not find attachments in your e-mail.




2013/8/27 György Persa <persa ＠ sztaki.hu>

> Hello everyone,
>
> in my project I would like to create service ports dynamically, runtime
> and connect them together. Is there any simple way to do this? Here's a
> short overview of the exact problem what I encountered, I hope you can help
> me!
>
> For this purpose, I designed an experiment for two test components. The
> RTC#1 (DynamicPortTester in attachments) is instructing  RTC#2
> (DynamicPortRecevier) for creating a new port and register a provider for
> that.
> [image: Inline image 1]
> After that, RTC#2 sets up a port as well and connect it to RTC#1's newly
> created port.
> [image: Inline image 2]
> My problem is that I'm unable to use the provided functions in RTC#2,
> because the service is inactive (_non_existent()).
> However, if I deactivate RTC#2 and activate it again, the service became
> active and usable.  Also, if I add the port when creating the component or
> in onInitialize(), it succeeds as well.
>
> Is there a way to get an active service without deactivate & activate it?
>
> Thanks in advance,
> György Persa
>
>
>
>
> György Persa
> *Software engineer*
> Institute for Computer Science and Control
> Hungarian Academy of Sciences
> 3D Internet-based Control and Communications Research Laboratory / 3DICC
> *Project VirCA* (www.virca.hu)
>
>
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>
>
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