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Implementing SubscriberStatusCallback within ros2

Hi,

When reading image_transport source code, ended up at a point where we need to use SubscriberStatusCallback.

How do we implement the same on ros2? (LifeCycle nodes?) They do not let enable us to develope code for connect/disconnect callbacks.

Any suggestions on the same would be mighty helpful.

I closed this in favor of https://answers.ros.org/question/286069/implementing-subscriberstatuscallback-within-ros2/

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