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