nat

package

v0.21.1 Latest Latest Go to latest Published: Apr 1, 2019 License: GPL-3.0 Imports: 14 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/Privatix/dappctrl

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Documentation ¶

Index ¶

Constants
func Map(ctx context.Context, conf *Config, logger log.Logger, m Interface, ...) error
func Run(ctx context.Context, conf *Config, logger log.Logger, ports []uint16)
type Config
- func NewConfig() *Config
type Interface
- func Parse(config *Config) (Interface, error)

Constants ¶

View Source

const (
	// CRC16("github.com/privatix/dappctrl/nat") = 0x1999
	ErrBadMechanism errors.Error = 0x1999<<8 + iota
	ErrTooShortLifetime
	ErrLocalAddressNotFound
	ErrAddMapping
	ErrNoRouterDiscovered
)

Errors.

Variables ¶

This section is empty.

Functions ¶

func Map ¶

func Map(ctx context.Context, conf *Config, logger log.Logger, m Interface,
	protocol string, extPort, intPort int, name string) error

Map adds a port mapping on NAT interface and keeps it alive until interface is closed.

func Run ¶

func Run(ctx context.Context, conf *Config,
	logger log.Logger, ports []uint16)

Run matches and opens external network ports.

Types ¶

type Config ¶

type Config struct {
	CheckTimeout       int64  // In milliseconds.
	MapTimeout         int64  // In milliseconds.
	MapUpdateInterval  int64  // In milliseconds.
	Mechanism          string // upnp, pmp or any
	SoapRequestTimeout int64  // In milliseconds.
}

Config is a configuration for service to traversal NAT.

func NewConfig ¶

func NewConfig() *Config

NewConfig creates new configuration for service to traversal NAT.

type Interface ¶

type Interface interface {
	AddMapping(protocol string, extPort, intPort int,
		name string, lifetime time.Duration) error
	DeleteMapping(protocol string, extPort, intPort int) error
}

Interface an implementation of nat.Interface can map local ports to ports accessible from the Internet.

func Parse ¶

func Parse(config *Config) (Interface, error)

Parse parses a NAT interface description.

Source Files ¶

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