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