netutils

Documentation

Index

• func ChooseBindAddress(bindAddress net.IP) (net.IP, error)
• func ChooseHostInterface() (net.IP, error)
• func GetListener(addr string, tlsConfig *tls.Config) (net.Listener, error)
• type AddressFamily
• type Route
• type RouteFile

Functions

func ChooseBindAddress

func ChooseBindAddress(bindAddress net.IP) (net.IP, error)

ChooseBindAddress is used to choose an Host IP address for binding. If bind-address is usable, return it directly If bind-address is not usable (unset, 0.0.0.0, or loopback), we will use the host's default interface.

func ChooseHostInterface

func ChooseHostInterface() (net.IP, error)

ChooseHostInterface is a method used fetch an IP for a daemon. If there is no routing info file, it will choose a global IP from the system interfaces. Otherwise, it will use IPv4 and IPv6 route information to return the IP of the interface with a gateway on it (with priority given to IPv4). For a node with no internet connection, it returns error.

func GetListener

func GetListener(addr string, tlsConfig *tls.Config) (net.Listener, error)

GetListener get a listener for an address.

Types

type AddressFamily

type AddressFamily uint

AddressFamily is the ip address type.

type Route

type Route struct {
	Interface   string
	Destination net.IP
	Gateway     net.IP
	Family      AddressFamily
}

Route contains route information.

type RouteFile

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

RouteFile is the file that contains route information.