forked from kubewharf/katalyst-core
68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
/*
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Copyright 2022 The Katalyst Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package process
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import (
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"sync"
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"time"
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)
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const (
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endpointStopGracePeriod = time.Duration(5) * time.Minute
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)
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type StopControl struct {
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stopTime time.Time
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sync.RWMutex
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}
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func (sc *StopControl) Stop() {
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if sc == nil {
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return
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}
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sc.Lock()
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defer sc.Unlock()
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sc.stopTime = time.Now()
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}
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func (sc *StopControl) IsStopped() bool {
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if sc == nil {
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return true
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}
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sc.RLock()
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defer sc.RUnlock()
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return !sc.stopTime.IsZero()
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}
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func (sc *StopControl) StopGracePeriodExpired() bool {
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if sc == nil {
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return true
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}
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sc.RLock()
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defer sc.RUnlock()
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return !sc.stopTime.IsZero() && time.Since(sc.stopTime) > endpointStopGracePeriod
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}
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func NewStopControl(stopTime time.Time) *StopControl {
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return &StopControl{
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stopTime: stopTime,
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}
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}
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