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package ip
import (
"fmt"
"github.com/vishvananda/netlink"
"github.com/lxc/incus/v6/shared/units"
)
// Class represents qdisc class object.
type Class struct {
Dev string
Parent string
Classid string
}
// ClassHTB represents htb qdisc class object.
type ClassHTB struct {
Class
Rate string
}
// Add adds class to a node.
func (class *ClassHTB) Add() error {
link, err := linkByName(class.Dev)
if err != nil {
return err
}
parent, err := parseHandle(class.Parent)
if err != nil {
return err
}
classAttrs := netlink.ClassAttrs{
LinkIndex: link.Attrs().Index,
Parent: parent,
Statistics: nil,
}
htbClassAttrs := netlink.HtbClassAttrs{}
if class.Classid != "" {
handle, err := parseHandle(class.Classid)
if err != nil {
return err
}
classAttrs.Handle = handle
}
if class.Rate != "" {
rate, err := units.ParseBitSizeString(class.Rate)
if err != nil {
return fmt.Errorf("Invalid rate %q: %w", class.Rate, err)
}
htbClassAttrs.Rate = uint64(rate)
}
err = netlink.ClassAdd(netlink.NewHtbClass(classAttrs, htbClassAttrs))
if err != nil {
return fmt.Errorf("Failed to add htb class: %w", err)
}
return nil
}
|
