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resource_control: supports dynamically change the controller config
Signed-off-by: nolouch <[email protected]>
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// 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 | ||
} | ||
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// 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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// Copyright 2016 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, | ||
// 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 ( | ||
"encoding/json" | ||
"testing" | ||
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"github.com/BurntSushi/toml" | ||
"github.com/stretchr/testify/require" | ||
) | ||
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type example struct { | ||
Interval Duration `json:"interval" toml:"interval"` | ||
} | ||
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func TestDurationJSON(t *testing.T) { | ||
t.Parallel() | ||
re := require.New(t) | ||
example := &example{} | ||
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text := []byte(`{"interval":"1h1m1s"}`) | ||
re.NoError(json.Unmarshal(text, example)) | ||
re.Equal(float64(60*60+60+1), example.Interval.Seconds()) | ||
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b, err := json.Marshal(example) | ||
re.NoError(err) | ||
re.Equal(string(text), string(b)) | ||
} | ||
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func TestDurationTOML(t *testing.T) { | ||
t.Parallel() | ||
re := require.New(t) | ||
example := &example{} | ||
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text := []byte(`interval = "1h1m1s"`) | ||
re.Nil(toml.Unmarshal(text, example)) | ||
re.Equal(float64(60*60+60+1), example.Interval.Seconds()) | ||
} |
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