34 lines
441 B
Go
34 lines
441 B
Go
package opts
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import (
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"fmt"
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"net"
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)
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type IpOpt struct {
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*net.IP
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}
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func NewIpOpt(ref *net.IP, defaultVal string) *IpOpt {
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o := &IpOpt{
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IP: ref,
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}
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o.Set(defaultVal)
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return o
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}
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func (o *IpOpt) Set(val string) error {
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ip := net.ParseIP(val)
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if ip == nil {
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return fmt.Errorf("%s is not an ip address", val)
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}
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*o.IP = ip
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return nil
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}
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func (o *IpOpt) String() string {
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if *o.IP == nil {
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return ""
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}
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return o.IP.String()
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}
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