rosnode is a command-line tool for displaying debug information
about ROS Nodes,
including publications, subscriptions and connections. It also
contains an experimental library for retrieving node
information. This library is intended for internal use only.
hunterlallen@protonmail.com
Hunter L. Allen
dthomas@osrfoundation.org
Dirk Thomas
https://github.com/ros-gbp/ros_comm/issues