net

Documentation

Overview

Package net supplies some assistant functions about net, such as the gateway ip and routes.

Index

• Variables
• func GetDefaultGateway() (gateway net.IP, err error)
• func GetDefaultIP() (ip string, err error)
• type Route
• type Routes
  • func GetIPv4Routes() (Routes, error)
  • func GetIPv6Routes() (Routes, error)
  • func (rs Routes) DefaultGateway() net.IP

Variables

var ErrRouteTableNotImplemented = errors.New("route table has not implemented")

ErrRouteTableNotImplemented is returned when the route table has not implemented.

Functions

func GetDefaultGateway

func GetDefaultGateway() (gateway net.IP, err error)

GetDefaultGateway returns the default gateway.

func GetDefaultIP

func GetDefaultIP() (ip string, err error)

GetDefaultIP returns the default ip.

Types

type Route

type Route struct {
	Dst *net.IPNet
	Src net.IP
	Gw  net.IP
}

Route is the route information.

type Routes

type Routes []Route

Routes is a set of Routes.

func GetIPv4Routes

func GetIPv4Routes() (Routes, error)

GetIPv4Routes returns the ipv4 routes.

func GetIPv6Routes

func GetIPv6Routes() (Routes, error)

GetIPv6Routes returns the ipv6 routes.

func (Routes) DefaultGateway

func (rs Routes) DefaultGateway() net.IP

DefaultGateway returns the default gateway. Return nil if not exist.