status-go/vendor/github.com/pion/transport/vnet/interface.go

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2022-03-10 09:44:48 +00:00
package vnet
import (
"errors"
"net"
)
var errNoAddressAssigned = errors.New("no address assigned")
// See: https://play.golang.org/p/nBO9KGYEziv
// InterfaceBase ...
type InterfaceBase net.Interface
// Interface ...
type Interface struct {
InterfaceBase
addrs []net.Addr
}
// NewInterface ...
func NewInterface(ifc net.Interface) *Interface {
return &Interface{
InterfaceBase: InterfaceBase(ifc),
addrs: nil,
}
}
// AddAddr ...
func (ifc *Interface) AddAddr(addr net.Addr) {
ifc.addrs = append(ifc.addrs, addr)
}
// Addrs ...
func (ifc *Interface) Addrs() ([]net.Addr, error) {
if len(ifc.addrs) == 0 {
return nil, errNoAddressAssigned
}
return ifc.addrs, nil
}