102 lines
2.0 KiB
Go
102 lines
2.0 KiB
Go
package models
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import (
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"database/sql/driver"
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"errors"
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"fmt"
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"net"
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)
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// NewIP easily constructs a new IP.
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func NewIP(value net.IP) (ip IP) {
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return IP{IP: value}
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}
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// NewNullIP easily constructs a new NullIP.
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func NewNullIP(value net.IP) (ip NullIP) {
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return NullIP{IP: value}
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}
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// NewNullIPFromString easily constructs a new NullIP from a string.
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func NewNullIPFromString(value string) (ip NullIP) {
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if value == "" {
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return ip
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}
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return NullIP{IP: net.ParseIP(value)}
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}
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// IP is a type specific for storage of a net.IP in the database which can't be NULL.
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type IP struct {
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IP net.IP
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}
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// Value is the IP implementation of the databases/sql driver.Valuer.
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func (ip IP) Value() (value driver.Value, err error) {
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if ip.IP == nil {
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return nil, errors.New("cannot value nil IP to driver.Value")
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}
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return driver.Value(ip.IP.String()), nil
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}
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// Scan is the IP implementation of the sql.Scanner.
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func (ip *IP) Scan(src interface{}) (err error) {
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if src == nil {
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return errors.New("cannot scan nil to type IP")
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}
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var value string
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switch v := src.(type) {
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case string:
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value = v
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default:
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return fmt.Errorf("invalid type %T for IP %v", src, src)
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}
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ip.IP = net.ParseIP(value)
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return nil
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}
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// NullIP is a type specific for storage of a net.IP in the database which can also be NULL.
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type NullIP struct {
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IP net.IP
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}
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// Value is the NullIP implementation of the databases/sql driver.Valuer.
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func (ip NullIP) Value() (value driver.Value, err error) {
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if ip.IP == nil {
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return driver.Value(nil), nil
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}
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return driver.Value(ip.IP.String()), nil
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}
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// Scan is the NullIP implementation of the sql.Scanner.
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func (ip *NullIP) Scan(src interface{}) (err error) {
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if src == nil {
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ip.IP = nil
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return nil
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}
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var value string
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switch v := src.(type) {
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case string:
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value = v
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default:
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return fmt.Errorf("invalid type %T for NullIP %v", src, src)
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}
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ip.IP = net.ParseIP(value)
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return nil
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}
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// StartupCheck represents a provider that has a startup check.
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type StartupCheck interface {
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StartupCheck() (err error)
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}
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