libreCMC/package/luci/applications/luci-app-mwan3/root/etc/hotplug.d/iface/16-mwancustombak

#!/bin/sh

# to enable this script uncomment the case loop at the bottom
# to report mwan status on interface hotplug ifup/ifdown events modify the lines in the send_alert function

send_alert()
{
	# variable "$1" stores the MWAN status information
	# insert your code here to send the contents of "$1"
	echo "$1"
}

gather_event_info()
{
	# create event information message
	local EVENT_INFO="Interface [ "$INTERFACE" ($DEVICE) ] on router [ "$(uci -p /var/state get system.@system[0].hostname)" ] has triggered a hotplug [ "$ACTION" ] event on "$(date +"%a %b %d %Y %T %Z")""

	# get current interface, policy and rule status
	local CURRENT_STATUS="$(/usr/sbin/mwan3 status)"

	# get last 50 MWAN systemlog messages
	local MWAN_LOG="$(echo -e "Last 50 MWAN systemlog entries. Newest entries sorted at the top:\n$(logread | grep mwan3 | tail -n 50 | sed 'x;1!H;$!d;x')")"

	# pass event info to send_alert function
	send_alert "$(echo -e "$EVENT_INFO\n\n$CURRENT_STATUS\n\n$MWAN_LOG")"
}

#case "$ACTION" in
#	ifup)
#		gather_event_info
#	;;
#
#	ifdown)
#		gather_event_info
#	;;
#esac

exit 0