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utils: extract GetIPPrefixEndpoints from anonymous function

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This commit is contained in:
Csaba Sarkadi 2022-01-29 15:26:28 +01:00
parent bf7ee78324
commit 6220836050
1 changed files with 8 additions and 5 deletions
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13
utils.go
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@ -147,6 +147,13 @@ func (h *Headscale) getAvailableIPs() (ips MachineAddresses, err error) {
return return
} }
func GetIPPrefixEndpoints(na netaddr.IPPrefix) (network, broadcast netaddr.IP) {
ipRange := na.Range()
network = ipRange.From()
broadcast = ipRange.To()
return
}
// TODO: Is this concurrency safe? // TODO: Is this concurrency safe?
// What would happen if multiple hosts were to register at the same time? // What would happen if multiple hosts were to register at the same time?
// Would we attempt to assign the same addresses to multiple nodes? // Would we attempt to assign the same addresses to multiple nodes?
@ -156,11 +163,7 @@ func (h *Headscale) getAvailableIP(ipPrefix netaddr.IPPrefix) (*netaddr.IP, erro
return nil, err return nil, err
} }
ipPrefixNetworkAddress, ipPrefixBroadcastAddress := func() (netaddr.IP, netaddr.IP) { ipPrefixNetworkAddress, ipPrefixBroadcastAddress := GetIPPrefixEndpoints(ipPrefix)
ipRange := ipPrefix.Range()
return ipRange.From(), ipRange.To()
}()
// Get the first IP in our prefix // Get the first IP in our prefix
ip := ipPrefixNetworkAddress.Next() ip := ipPrefixNetworkAddress.Next()