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package netlink
import (
"fmt"
"net"
"strings"
)
// Addr represents an IP address from netlink. Netlink ip addresses
// include a mask, so it stores the address as a net.IPNet.
type Addr struct {
*net.IPNet
Label string
Flags int
Scope int
Peer *net.IPNet
Broadcast net.IP
PreferedLft int
ValidLft int
}
// String returns $ip/$netmask $label
func (a Addr) String() string {
return strings.TrimSpace(fmt.Sprintf("%s %s", a.IPNet, a.Label))
}
// ParseAddr parses the string representation of an address in the
// form $ip/$netmask $label. The label portion is optional
func ParseAddr(s string) (*Addr, error) {
label := ""
parts := strings.Split(s, " ")
if len(parts) > 1 {
s = parts[0]
label = parts[1]
}
m, err := ParseIPNet(s)
if err != nil {
return nil, err
}
return &Addr{IPNet: m, Label: label}, nil
}
// Equal returns true if both Addrs have the same net.IPNet value.
func (a Addr) Equal(x Addr) bool {
sizea, _ := a.Mask.Size()
sizeb, _ := x.Mask.Size()
// ignore label for comparison
return a.IP.Equal(x.IP) && sizea == sizeb
}
func (a Addr) PeerEqual(x Addr) bool {
sizea, _ := a.Peer.Mask.Size()
sizeb, _ := x.Peer.Mask.Size()
// ignore label for comparison
return a.Peer.IP.Equal(x.Peer.IP) && sizea == sizeb
}
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