Hi,
I was going through the code for the move_base_node:
int main(int argc, char** argv){
ros::init(argc, argv, "move_base_node");
tf::TransformListener tf(ros::Duration(10));
move_base::MoveBase move_base( tf );
ros::spin();
return(0);
}
So I'm wondering, what callbacks does the `ros::spin()` at the end execute? The constructor for the MoveBase object has a subscriber, a couple of services, an action server and some other stuff.
And in general, I guess my question is - what callbacks does the ros::spin wait for?
Source: https://github.com/ros-planning/navigation
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