#!/bin/bash

source ./so-variables

# Helper functions

filter_unused_nics() {

	if [[ $MNIC ]]; then local grep_string="$MNIC\|bond0"; else local grep_string="bond0"; fi

	# If we call this function and NICs have already been assigned to the bond interface then add them to the grep search string
	if [[ $BNICS ]]; then
		grep_string="$grep_string"
		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| awk -F: '$0 !~ "lo|vir|veth|br|docker|wl|^[^0-9]"{print $2}' | grep -vwe "$grep_string"  | sed 's/ //g')
	readarray -t filtered_nics <<< "$filtered_nics"
	
	nic_list=()
	for nic in "${filtered_nics[@]}"; do
		nic_list+=("$nic" "" "OFF")
	done

	export nic_list
}

calculate_useable_cores() {

	# Calculate reasonable core usage
	local cores_for_bro=$(( (num_cpu_cores/2) - 1 ))
	local lb_procs_round
	lb_procs_round=$(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() {
    local percentage

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

	local disk_dir="/"
	if [ -d /nsm ]; then
		disk_dir="/nsm"
	fi
	local disk_size_1k
	disk_size_1k=$(df $disk_dir | grep -v "^Filesystem" | awk '{print $2}')

    local ratio="1048576"

    local disk_size_gb
    disk_size_gb=$( echo "$disk_size_1k" "$ratio" | awk '{print($1/$2)}' )

	log_size_limit=$( echo "$disk_size_gb" "$percentage" | awk '{printf("%.0f", $1 * ($2/100))}')
	export log_size_limit
}