arp

package

v0.9.1 Latest Latest Go to latest Published: Oct 3, 2016 License: MIT Imports: 10 Imported by: 0

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Package arp provides utilities for looking up MAC/IP addresses on a LAN.

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func Add(ip net.IP, hwaddr net.HardwareAddr)

Add adds a IP-MAC map to a runtime ARP table.

func Delete(ip net.IP)

Delete removes an IP from the runtime ARP table.

func List() map[uint32]net.HardwareAddr

List returns the current runtime ARP table.

func NewARPReply(src *Address, dst *Address) ([]byte, error)

NewARPReply creates a new ARP packet of type "reply".

func NewARPRequest(src *Address, dst *Address) ([]byte, error)

NewARPRequest creates a bew ARP packet of type "request.

type Address struct {
	IP           net.IP
	HardwareAddr net.HardwareAddr
	Interface    net.Interface
}

Address represents an ARP address.

func Lookup(ip uint32) (*Address, error)

Lookup returns the Address given an IP, if the IP is not found within the table, a lookup is attempted.