#!/bin/bash

source './so-variables'

# Helper functions

filter_unused_nics() {
	# Set the main NIC as the default grep search string
	local grep_string="$MNIC"

	# If we call this function and NICs have already been assigned to the bond interface then add them to the grep search string
	if [[ $BNICS ]]; then
		for BONDNIC in "${BNICS[@]}"; do
			grep_string="$grep_string\|$BONDNIC"
		done
	fi

	# Finally, set filtered_nics to any NICs we aren't using (and ignore interfaces that aren't of use)
    filtered_nics=$(ip link | grep -vwe "$grep_string" | awk -F: '$0 !~ "lo|vir|veth|br|docker|wl|^[^0-9]"{print $2}')
	export filtered_nics
}

calculate_useable_cores() {

	# Calculate reasonable core usage
	local cores_for_bro=$(( CPUCORES/2 - 1 ))
	local lb_procs_round
	lb_procs_round=$(printf "%.0f\n" $cores_for_bro)

	if [ "$lb_procs_round" -lt 1 ]; then lb_procs=1; else lb_procs=$lb_procs_round; fi
    export lb_procs
}

set_defaul_log_size() {

	case $INSTALLTYPE in
		EVAL | HEAVYNODE)
			PERCENTAGE=50
			;;
		*)
			PERCENTAGE=80
			;;
		esac

	local disk_dir="/"
	if [ -d /nsm ]; then
		disk_dir="/nsm"
	fi
	local disk_size_kb
	disk_size_kb=$(df $disk_dir |grep -v "^Filesystem" | awk '{print $2}')
	local percentage=85
	local disk_size
	disk_size=$(( disk_size_kb * 1000 ))
	local percentage_disk_space
	percentage_disk_space=$(( disk_size * (percentage / 100) ))

	export log_size_limit=$(( percentage_disk_space / 1000000000 ))
}