[enhancement] Move logger call into subroutine #57
Description
The logger shell call is used over and over again.
Which makes the code confusing.
I would suggest that you move the call to a subroutine.
https://github.com/openwisp/openwrt-openwisp-monitoring/blob/master/openwrt-openwisp-monitoring/files/monitoring.init
https://github.com/openwisp/openwrt-openwisp-monitoring/blob/master/openwrt-openwisp-monitoring/files/monitoring.agent