63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
package egoscale
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"net"
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)
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// CIDR represents a nicely JSON serializable net.IPNet
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type CIDR struct {
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net.IPNet
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}
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// UnmarshalJSON unmarshals the raw JSON into the MAC address
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func (cidr *CIDR) UnmarshalJSON(b []byte) error {
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var s string
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if err := json.Unmarshal(b, &s); err != nil {
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return err
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}
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c, err := ParseCIDR(s)
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if err != nil {
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return err
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}
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*cidr = CIDR{c.IPNet}
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return nil
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}
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// MarshalJSON converts the CIDR to a string representation
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func (cidr CIDR) MarshalJSON() ([]byte, error) {
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return []byte(fmt.Sprintf("%q", cidr)), nil
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}
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// String returns the string representation of a CIDR
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func (cidr CIDR) String() string {
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return cidr.IPNet.String()
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}
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// ParseCIDR parses a CIDR from a string
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func ParseCIDR(s string) (*CIDR, error) {
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_, net, err := net.ParseCIDR(s)
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if err != nil {
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return nil, err
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}
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return &CIDR{*net}, nil
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}
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// MustParseCIDR forces parseCIDR or panics
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func MustParseCIDR(s string) *CIDR {
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cidr, err := ParseCIDR(s)
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if err != nil {
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panic(err)
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}
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return cidr
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}
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// Equal compare two CIDR
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func (cidr CIDR) Equal(c CIDR) bool {
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return (cidr.IPNet.IP.Equal(c.IPNet.IP) && bytes.Equal(cidr.IPNet.Mask, c.IPNet.Mask))
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}
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