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Do rosservice calls from rtt_ros respect orocos operation thread spec?

asked 2017-07-30 14:12:38 -0600

jlack gravatar image

updated 2017-07-30 15:33:05 -0600

gvdhoorn gravatar image

Say I have an orocos component that has an operation such as,

this->addOperation("do_work", &MyWorker::doWork, this, RTT::ClientThread).doc("Does work");

Where when called, this blocks the callers thread and does not block the task context thread in OROCOS.

I'm unable to find anywhere in the documentation for rtt_ros_integration whether or not ROSServiceService calls respect the orocos operation spec on whether to block the client thread of the task context thread.

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This is really an OROCOS specific question. I doubt the OROCOS / rtt_ros maintainers frequent this board, so I don't expect an answer to your question soon. We can see what happens (perhaps jmeyer has an account here), but you might want to try the orocos mailing list or their issue tracker.

gvdhoorn gravatar imagegvdhoorn ( 2017-07-30 15:13:02 -0600 )edit

Yeah figured i'd throw it on here and see if I found any takers. Thanks i'll try on the rtt_ros issue board as well.

jlack gravatar imagejlack ( 2017-07-30 15:18:09 -0600 )edit
gvdhoorn gravatar imagegvdhoorn ( 2017-07-31 04:01:32 -0600 )edit

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answered 2017-08-02 08:49:57 -0600

jlack gravatar image

Finally got this working, and long story short the answer is yes, the rosservice functionality offered by rtt_ros does respect the thread spec given when adding an operation.

The rtt_roscomm documentation is quite lacking in functional examples and clear documentation on the specifics, so I end up having to write and get the code working to answer the question.

For others looking to use rosservice call functionality provided by rtt_roscomm I recommend looking at the unit tests to bootstrap the process of getting it up and running, as currently that's the best place to look for figuring out how to get it to work.

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Asked: 2017-07-30 14:12:38 -0600

Seen: 95 times

Last updated: Aug 02 '17