udp

Documentation

Index

• func ReadUDPMsg(conn *net.UDPConn, payload []byte, oob []byte) (int, int, int, *net.UDPAddr, error)
• func RetrieveOriginalDest(oob []byte) net.Destination
• func SetOriginalDestOptions(fd int) error
• func TransmitSocket(src net.Addr, dst net.Addr) (net.Conn, error)
• type Dispatcher
  • func NewDispatcher(dispatcher dispatcher.Interface) *Dispatcher
  • func (v *Dispatcher) Dispatch(ctx context.Context, destination net.Destination, payload *buf.Buffer, ...)
  • func (v *Dispatcher) RemoveRay(dest net.Destination)
• type Hub
  • func ListenUDP(address net.Address, port net.Port, option ListenOption) (*Hub, error)
  • func (h *Hub) Addr() net.Addr
  • func (h *Hub) Close()
  • func (h *Hub) WriteTo(payload []byte, dest net.Destination) (int, error)
• type ListenOption
• type Payload
• type PayloadHandler
• type PayloadQueue
  • func NewPayloadQueue(option ListenOption) *PayloadQueue
  • func (q *PayloadQueue) Close()
  • func (q *PayloadQueue) Dequeue(queue <-chan Payload)
  • func (q *PayloadQueue) Enqueue(payload Payload)
• type ResponseCallback

Functions

func ReadUDPMsg

func ReadUDPMsg(conn *net.UDPConn, payload []byte, oob []byte) (int, int, int, *net.UDPAddr, error)

func RetrieveOriginalDest

func RetrieveOriginalDest(oob []byte) net.Destination

func SetOriginalDestOptions

func SetOriginalDestOptions(fd int) error

func TransmitSocket

func TransmitSocket(src net.Addr, dst net.Addr) (net.Conn, error)

Currently, Only IPv4 Forge is supported

Types

type Dispatcher

type Dispatcher struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

func NewDispatcher

func NewDispatcher(dispatcher dispatcher.Interface) *Dispatcher

func (*Dispatcher) Dispatch

func (v *Dispatcher) Dispatch(ctx context.Context, destination net.Destination, payload *buf.Buffer, callback ResponseCallback)

func (*Dispatcher) RemoveRay

func (v *Dispatcher) RemoveRay(dest net.Destination)

type Hub

type Hub struct {
	// contains filtered or unexported fields
}

func ListenUDP

func ListenUDP(address net.Address, port net.Port, option ListenOption) (*Hub, error)

func (*Hub) Addr

func (h *Hub) Addr() net.Addr

func (*Hub) Close

func (h *Hub) Close()

func (*Hub) WriteTo

func (h *Hub) WriteTo(payload []byte, dest net.Destination) (int, error)

type ListenOption

type ListenOption struct {
	Callback            PayloadHandler
	ReceiveOriginalDest bool
	Concurrency         int
}

type Payload

type Payload struct {
	// contains filtered or unexported fields
}

Payload represents a single UDP payload.

type PayloadHandler

type PayloadHandler func(payload *buf.Buffer, source net.Destination, originalDest net.Destination)

PayloadHandler is function to handle Payload.

type PayloadQueue

type PayloadQueue struct {
	// contains filtered or unexported fields
}

PayloadQueue is a queue of Payload.

func NewPayloadQueue

func NewPayloadQueue(option ListenOption) *PayloadQueue

NewPayloadQueue returns a new PayloadQueue.

func (*PayloadQueue) Close

func (q *PayloadQueue) Close()

func (*PayloadQueue) Dequeue

func (q *PayloadQueue) Dequeue(queue <-chan Payload)

func (*PayloadQueue) Enqueue

func (q *PayloadQueue) Enqueue(payload Payload)

Enqueue adds the payload to the end of this queue.

type ResponseCallback

type ResponseCallback func(payload *buf.Buffer)