50 lines
1.0 KiB
Go
50 lines
1.0 KiB
Go
package zones
|
|
|
|
import "net/netip"
|
|
|
|
// ParseRingZeroAddress extracts zone and node ID from a wg0 [netip.Addr]
|
|
func ParseRingZeroAddress(addr netip.Addr) (zoneID int, nodeID int, ok bool) {
|
|
if addr.IsValid() {
|
|
a4 := addr.As4()
|
|
|
|
if a4[0] == 10 && a4[1] == 0 {
|
|
return int(a4[2]), int(a4[3]), true
|
|
}
|
|
}
|
|
return 0, 0, false
|
|
}
|
|
|
|
// RingZeroAddress returns a wg0 IP address
|
|
func RingZeroAddress(zoneID, nodeID int) netip.Addr {
|
|
c := zoneID
|
|
d := nodeID
|
|
|
|
return netip.AddrFrom4([4]byte{
|
|
10, 0, uint8(c), uint8(d),
|
|
})
|
|
}
|
|
|
|
// ParseRingOneAddress extracts zone and node ID from a wg1 [netip.Addr]
|
|
func ParseRingOneAddress(addr netip.Addr) (zoneID int, nodeID int, ok bool) {
|
|
if addr.IsValid() {
|
|
a4 := addr.As4()
|
|
|
|
if a4[0] == 10 && a4[2] == 0 {
|
|
zoneID = int(a4[1] >> 4)
|
|
nodeID = int(a4[3])
|
|
return zoneID, nodeID, true
|
|
}
|
|
}
|
|
return 0, 0, false
|
|
}
|
|
|
|
// RingOneAddress returns a wg1 IP address
|
|
func RingOneAddress(zoneID, nodeID int) netip.Addr {
|
|
b := zoneID << 4
|
|
d := nodeID
|
|
|
|
return netip.AddrFrom4([4]byte{
|
|
10, uint8(b), 0, uint8(d),
|
|
})
|
|
}
|