[ros-users] [Discourse.ros.org] [Next Generation ROS] Update time for get_node_names

[Firesurfer]

Hi, 
I wondered how long the get_node_names method in the rclcpp graph interface takes until it notices that a node was shutdown or a new node was added assuming I used Fast-RTPS as middleware? 

Another question: Are there any plans to implement some kind of callbacks/events that get called in case node was added / shutdown from the system?





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