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resource_control: supports dynamically change the controller config
Signed-off-by: nolouch <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| // Copyright 2023 The Go Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
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| // Copyright 2023 TiKV Project Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS,g | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| package controller | ||
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| import ( | ||
| "fmt" | ||
| "strconv" | ||
| "time" | ||
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| "github.com/pingcap/errors" | ||
| ) | ||
|
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| // Duration is a wrapper of time.Duration for TOML and JSON. | ||
| type Duration struct { | ||
| time.Duration | ||
| } | ||
|
|
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| // NewDuration creates a Duration from time.Duration. | ||
| func NewDuration(duration time.Duration) Duration { | ||
| return Duration{Duration: duration} | ||
| } | ||
|
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| // MarshalJSON returns the duration as a JSON string. | ||
| func (d *Duration) MarshalJSON() ([]byte, error) { | ||
| return []byte(fmt.Sprintf(`"%s"`, d.String())), nil | ||
| } | ||
|
|
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| // UnmarshalJSON parses a JSON string into the duration. | ||
| func (d *Duration) UnmarshalJSON(text []byte) error { | ||
| s, err := strconv.Unquote(string(text)) | ||
| if err != nil { | ||
| return errors.WithStack(err) | ||
| } | ||
| duration, err := time.ParseDuration(s) | ||
| if err != nil { | ||
| return errors.WithStack(err) | ||
| } | ||
| d.Duration = duration | ||
| return nil | ||
| } | ||
|
|
||
| // UnmarshalText parses a TOML string into the duration. | ||
| func (d *Duration) UnmarshalText(text []byte) error { | ||
| var err error | ||
| d.Duration, err = time.ParseDuration(string(text)) | ||
| return errors.WithStack(err) | ||
| } | ||
|
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| // MarshalText returns the duration as a JSON string. | ||
| func (d Duration) MarshalText() ([]byte, error) { | ||
| return []byte(d.String()), nil | ||
| } |
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