38ddcfa756
- Allow to swap `github.com/vishvananda/netlink` - Allow to add build tags for each platform - One step closer to development on non-Linux platforms
119 lines
2.6 KiB
Go
119 lines
2.6 KiB
Go
package netlink
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import "github.com/vishvananda/netlink"
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type Link struct {
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Type string
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Name string
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Index int
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EncapType string
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MTU uint16
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NetNsID int
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TxQLen int
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}
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func (n *NetLink) LinkList() (links []Link, err error) {
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netlinkLinks, err := netlink.LinkList()
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if err != nil {
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return nil, err
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}
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links = make([]Link, len(netlinkLinks))
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for i := range netlinkLinks {
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links[i] = netlinkLinkToLink(netlinkLinks[i])
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}
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return links, nil
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}
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func (n *NetLink) LinkByName(name string) (link Link, err error) {
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netlinkLink, err := netlink.LinkByName(name)
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if err != nil {
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return Link{}, err
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}
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return netlinkLinkToLink(netlinkLink), nil
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}
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func (n *NetLink) LinkByIndex(index int) (link Link, err error) {
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netlinkLink, err := netlink.LinkByIndex(index)
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if err != nil {
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return Link{}, err
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}
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return netlinkLinkToLink(netlinkLink), nil
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}
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func (n *NetLink) LinkAdd(link Link) (linkIndex int, err error) {
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netlinkLink := linkToNetlinkLink(&link)
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err = netlink.LinkAdd(netlinkLink)
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if err != nil {
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return 0, err
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}
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return netlinkLink.Attrs().Index, nil
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}
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func (n *NetLink) LinkDel(link Link) (err error) {
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return netlink.LinkDel(linkToNetlinkLink(&link))
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}
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func (n *NetLink) LinkSetUp(link Link) (linkIndex int, err error) {
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netlinkLink := linkToNetlinkLink(&link)
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err = netlink.LinkSetUp(netlinkLink)
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if err != nil {
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return 0, err
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}
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return netlinkLink.Attrs().Index, nil
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}
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func (n *NetLink) LinkSetDown(link Link) (err error) {
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return netlink.LinkSetDown(linkToNetlinkLink(&link))
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}
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type netlinkLinkImpl struct {
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attrs *netlink.LinkAttrs
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linkType string
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}
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func (n *netlinkLinkImpl) Attrs() *netlink.LinkAttrs {
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return n.attrs
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}
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func (n *netlinkLinkImpl) Type() string {
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return n.linkType
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}
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func netlinkLinkToLink(netlinkLink netlink.Link) Link {
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attributes := netlinkLink.Attrs()
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return Link{
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Type: netlinkLink.Type(),
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Name: attributes.Name,
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Index: attributes.Index,
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EncapType: attributes.EncapType,
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MTU: uint16(attributes.MTU),
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NetNsID: attributes.NetNsID,
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TxQLen: attributes.TxQLen,
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}
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}
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// Warning: we must return `netlink.Link` and not `netlinkLinkImpl`
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// so that the vishvananda/netlink package can compare the returned
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// value against an untyped nil.
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func linkToNetlinkLink(link *Link) netlink.Link {
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if link == nil {
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return nil
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}
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return &netlinkLinkImpl{
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linkType: link.Type,
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attrs: &netlink.LinkAttrs{ // TODO get all original attributes
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Name: link.Name,
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Index: link.Index,
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EncapType: link.EncapType,
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MTU: int(link.MTU),
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NetNsID: link.NetNsID,
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TxQLen: link.TxQLen,
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},
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}
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}
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