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