net

func ChooseBindAddress ¶

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

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 ChooseHostIP ¶

func ChooseHostIP() (net.IP, error)

ChooseHostIP 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 ChooseHostInterface ¶

func ChooseHostInterface() (string, error)