ROS Logging

Terminal tool

This folder has a script log_listener.py, used to display Log messages generated by various ROS nodes.

The folder is also a ROS package "data_logger" containing two dummy nodes imu_log.py and and lidar_log.py used to generate dummy log messages to test the above script.

Run the dummy nodes using following ros commands

$ rosrun data_logger imu_log.py
$ rosrun data_logger lidar_log.py

Execute python code with list of nodes as arguments for filter

python log_listener.py /imu /lidar

GUI filter display OUTPUT:

************ INFO ************
Cannot divide by zero  lineno - 24 count -22	/imu	imu_log.py
Cannot divide by zero  lineno - 25 count -7	/lidar	lidar_log.py


************ WARN ************
Reached End-Of-File warning lineno - 37 count -24	/imu	imu_log.py
Reached End-Of-File warning lineno - 38 count -9	/lidar	lidar_log.py


************ DEBUG ************
This is a debug message 6	/lidar	lidar_log.py
This is a debug message 26	/imu	imu_log.py


************ ERROR ************
IO Error has occurred lineno - 31 count -23	/imu	imu_log.py
IO Error has occurred lineno - 32 count -8	/lidar	lidar_log.py


************ FATAL ************
Fatal Error Occurred lineno - 43 count -25	/imu	imu_log.py
Fatal Error Occurred lineno - 44 count -10	/lidar	lidar_log.py

GUI tool

A GUI for the above tool has been created using Kivy framework. Its available in the folder KivyDataLogger

Execute the below python file to open the GUI.

python log_listener_gui.py