tunnel

Documentation

Index

• func NewGTunnel(pctx context.Context, fd, mtu int, hdl netstack.GConnHandler) (t *gtunnel, rev netstack.GConnHandler, err error)
• type Tunnel

Functions

func NewGTunnel

func NewGTunnel(pctx context.Context, fd, mtu int, hdl netstack.GConnHandler) (t *gtunnel, rev netstack.GConnHandler, err error)

fd must be non-blocking.

Types

type Tunnel

type Tunnel interface {
	Mtu() int32
	// IsConnected indicates whether the tunnel is in a connected state.
	IsConnected() bool
	// Disconnect disconnects the tunnel.
	Disconnect()
	// Enabled checks if the tunnel is up and running.
	Enabled() bool
	// Write writes input data to the TUN interface.
	Write(data []byte) (int, error)
	// Close connections
	CloseConns(activecsv string) (closedcsv string)
	// Creates a new link using fd (tun device) and mtu.
	SetLink(fd, mtu int) error
	// Unsets existing link and closes the fd (tun device).
	Unlink() error
	// Creates the link and updates the routes
	SetLinkAndRoutes(fd, mtu, engine int) error
	// New route
	SetRoute(engine int) error
	// Set or unset the pcap sink
	SetPcap(fpcap string) error
	// NIC, IP, TCP, UDP, and ICMP stats.
	Stat() (*x.NetStat, error)
}

Tunnel represents a session on a TUN device.