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70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
package constant
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import (
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"encoding/json"
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"errors"
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)
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// DNSModeMapping is a mapping for EnhancedMode enum
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var DNSModeMapping = map[string]DNSMode{
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DNSNormal.String(): DNSNormal,
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DNSFakeIP.String(): DNSFakeIP,
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DNSMapping.String(): DNSMapping,
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}
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const (
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DNSNormal DNSMode = iota
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DNSFakeIP
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DNSMapping
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)
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type DNSMode int
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// UnmarshalYAML unserialize EnhancedMode with yaml
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func (e *DNSMode) UnmarshalYAML(unmarshal func(any) error) error {
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var tp string
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if err := unmarshal(&tp); err != nil {
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return err
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}
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mode, exist := DNSModeMapping[tp]
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if !exist {
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return errors.New("invalid mode")
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}
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*e = mode
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return nil
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}
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// MarshalYAML serialize EnhancedMode with yaml
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func (e DNSMode) MarshalYAML() (any, error) {
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return e.String(), nil
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}
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// UnmarshalJSON unserialize EnhancedMode with json
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func (e *DNSMode) UnmarshalJSON(data []byte) error {
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var tp string
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json.Unmarshal(data, &tp)
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mode, exist := DNSModeMapping[tp]
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if !exist {
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return errors.New("invalid mode")
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}
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*e = mode
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return nil
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}
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// MarshalJSON serialize EnhancedMode with json
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func (e DNSMode) MarshalJSON() ([]byte, error) {
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return json.Marshal(e.String())
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}
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func (e DNSMode) String() string {
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switch e {
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case DNSNormal:
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return "normal"
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case DNSFakeIP:
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return "fake-ip"
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case DNSMapping:
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return "redir-host"
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default:
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return "unknown"
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}
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}
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