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types.go
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types.go
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/*
*
* k6 - a next-generation load testing tool
* Copyright (C) 2016 Load Impact
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package lib
import (
"bytes"
"encoding/json"
"sync/atomic"
"time"
)
type AtomicBool struct{ v uint32 }
func (a *AtomicBool) Set(v bool) {
var i uint32
if v {
i = 1
}
atomic.StoreUint32(&a.v, i)
}
func (a *AtomicBool) Get() bool {
return atomic.LoadUint32(&a.v) != 0
}
type Duration time.Duration
func (d Duration) String() string {
return time.Duration(d).String()
}
func (d *Duration) UnmarshalText(data []byte) error {
v, err := time.ParseDuration(string(data))
if err != nil {
return err
}
*d = Duration(v)
return nil
}
func (d *Duration) UnmarshalJSON(data []byte) error {
if len(data) > 0 && data[0] == '"' {
var str string
if err := json.Unmarshal(data, &str); err != nil {
return err
}
v, err := time.ParseDuration(str)
if err != nil {
return err
}
*d = Duration(v)
} else {
var v time.Duration
if err := json.Unmarshal(data, &v); err != nil {
return err
}
*d = Duration(v)
}
return nil
}
func (d Duration) MarshalJSON() ([]byte, error) {
return json.Marshal(d.String())
}
type NullDuration struct {
Duration
Valid bool
}
func NullDurationFrom(d time.Duration) NullDuration {
return NullDuration{Duration(d), true}
}
func (d *NullDuration) UnmarshalText(data []byte) error {
if len(data) == 0 {
*d = NullDuration{}
return nil
}
if err := d.Duration.UnmarshalText(data); err != nil {
return err
}
d.Valid = true
return nil
}
func (d *NullDuration) UnmarshalJSON(data []byte) error {
if bytes.Equal(data, []byte(`null`)) {
d.Valid = false
return nil
}
if err := json.Unmarshal(data, &d.Duration); err != nil {
return err
}
d.Valid = true
return nil
}
func (d NullDuration) MarshalJSON() ([]byte, error) {
if !d.Valid {
return []byte(`null`), nil
}
return d.Duration.MarshalJSON()
}