arp

Documentation

Index

• type Announce
  • func New(ifi *net.Interface) (*Announce, error)
  • func (a *Announce) Acquire()
  • func (a *Announce) Announce(ip net.IP) bool
  • func (a *Announce) AnnounceName(name string) bool
  • func (a *Announce) Close() error
  • func (a *Announce) DeleteBalancer(name string)
  • func (a *Announce) Leader() bool
  • func (a *Announce) Packets() []*arp.Packet
  • func (a *Announce) Relinquish()
  • func (a *Announce) SetBalancer(name string, ip net.IP)
  • func (a *Announce) SetLeader(b bool)

Types

type Announce

type Announce struct {
	sync.RWMutex // protects ips
	// contains filtered or unexported fields
}

Announce is used to "announce" new IPs mapped to the node's MAC address.

func New

func New(ifi *net.Interface) (*Announce, error)

New returns an initialized Announce.

func (*Announce) Acquire

func (a *Announce) Acquire()

Acquire sends out a unsolicited ARP replies for all VIPs that should be announced.

func (*Announce) Announce

func (a *Announce) Announce(ip net.IP) bool

Announce checks if ip should be announced.

func (*Announce) AnnounceName

func (a *Announce) AnnounceName(name string) bool

AnnounceName returns true when we have an announcement under name.

func (*Announce) Close

func (a *Announce) Close() error

Close closes the arp client in a.

func (*Announce) DeleteBalancer

func (a *Announce) DeleteBalancer(name string)

DeleteBalancer deletes an address from the set of addresses we should announce.

func (*Announce) Leader

func (a *Announce) Leader() bool

Leader returns true if we are the leader in the daemon set.

func (*Announce) Packets

func (a *Announce) Packets() []*arp.Packet

Packets returns a slice of ARP packets that can be send out as unsolicited ARPs.

func (*Announce) Relinquish

func (a *Announce) Relinquish()

Relinquish set the leader bit to false and stops the go-routine that sends unsolicited APR replies.

func (*Announce) SetBalancer

func (a *Announce) SetBalancer(name string, ip net.IP)

SetBalancer adds ip to the set of announced addresses.

func (*Announce) SetLeader

func (a *Announce) SetLeader(b bool)

SetLeader sets the leader boolean to b.