aarp

package

v0.2.0 Latest Latest Go to latest Published: Feb 23, 2023 License: BSD-3-Clause Imports: 6 Imported by: 1

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Encodes and decodes AARP (AppleTalk Address Resolution Protocol) packets.

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const (
	HardwareEthernet  = Hardware(0x0001)
	ProtoLLAPBridging = Proto(0x809b)
)

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const (
	RequestOp  = Opcode(0x01)
	ResponseOp = Opcode(0x02)
	ProbeOp    = Opcode(0x03)
)

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var EthernetLLAPBridging = Header{
	Hardware:     HardwareEthernet,
	Proto:        ProtoLLAPBridging,
	HardwareSize: 6,
	ProtoSize:    4,
}

func Marshal(pak Packet) ([]byte, error)

Marshals a packet to bytes.

func Unmarshal(data []byte, pak *Packet) error

Unmarshals a packet from bytes.

type AddrPair struct {
	Hardware ethernet.Addr

	Proto ddp.Addr
	// contains filtered or unexported fields
}

type Body struct {
	Opcode Opcode
	Src    AddrPair
	Dst    AddrPair
}

type Hardware uint16

type Header struct {
	Hardware                Hardware
	Proto                   Proto
	HardwareSize, ProtoSize uint8
}

type Opcode uint16

type Packet struct {
	Header
	Body
}

func Probe(src ethernet.Addr, query ddp.Addr) Packet

AARP packet for checking that `query` is available, from `src`.

func Request(src AddrPair, query ddp.Addr) Packet

AARP packet for resolving `query` to a hardware address, from `src`.

func Response(src, dst AddrPair) Packet

AARP packet responding to a request or probe `dst` from `src`.

type Proto uint16