podman/libpod/network/ip.go

20 lines
420 B
Go

package network
import (
"net"
"github.com/containernetworking/plugins/pkg/ip"
)
// CalcGatewayIP takes a network and returns the first IP in it.
func CalcGatewayIP(ipn *net.IPNet) net.IP {
// taken from cni bridge plugin as it is not exported
nid := ipn.IP.Mask(ipn.Mask)
return ip.NextIP(nid)
}
// IsIPv6 returns if netIP is IPv6.
func IsIPv6(netIP net.IP) bool {
return netIP != nil && netIP.To4() == nil
}