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Is msg TopicStatistics deprecated in ros2?

asked 2019-07-08 12:32:26 -0500

tb gravatar image

In ros1, it was possible to subscribe to /statistics which is of type TopicStatistics http://docs.ros.org/api/rosgraph_msgs...

Is this message & topic available in ros2? I dont see it listed under ros2 rcl interfaces https://github.com/ros2/rcl_interface...

I also see that the ros2 demo for topic monitoring has a different implementation https://github.com/ros2/demos/blob/ma...

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Found another post that seems to indicate the same thing - absence of message TopicStatistics in ros2 https://answers.ros.org/question/3242...

tb gravatar imagetb ( 2019-07-08 17:46:27 -0500 )edit

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answered 2019-07-12 14:11:10 -0500

William gravatar image

No, we have neither that feature nor that message yet in ROS 2. We definitely should implement it, as it is a very useful feature in ROS 1, but we just haven't gotten around to it yet.

It would be great to have an issue to track this feature (maybe on https://github.com/ros2/ros2/ since it will span C++, Python, and tooling) and even better would be a pull request :)

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Thanks for your feedback William I've opened a feature request as you suggested: https://github.com/ros2/ros2/issues/744 Perhaps if time permits will definitely look into contributing to it

tb gravatar imagetb ( 2019-07-12 15:44:56 -0500 )edit

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Asked: 2019-07-08 12:32:26 -0500

Seen: 400 times

Last updated: Jul 12