mirror of https://github.com/k3s-io/k3s
66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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 executor
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import (
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"time"
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log "github.com/golang/glog"
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bindings "github.com/mesos/mesos-go/executor"
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)
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// func that attempts suicide
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type jumper func(bindings.ExecutorDriver, <-chan struct{})
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type suicideWatcher interface {
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Next(time.Duration, bindings.ExecutorDriver, jumper) suicideWatcher
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Reset(time.Duration) bool
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Stop() bool
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}
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// TODO(jdef) add metrics for this?
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type suicideTimer struct {
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timer *time.Timer
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}
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func (w *suicideTimer) Next(d time.Duration, driver bindings.ExecutorDriver, f jumper) suicideWatcher {
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return &suicideTimer{
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timer: time.AfterFunc(d, func() {
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log.Warningf("Suicide timeout (%v) expired", d)
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f(driver, nil)
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}),
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}
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}
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func (w *suicideTimer) Stop() (result bool) {
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if w != nil && w.timer != nil {
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log.Infoln("stopping suicide watch") //TODO(jdef) debug
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result = w.timer.Stop()
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}
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return
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}
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// return true if the timer was successfully reset
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func (w *suicideTimer) Reset(d time.Duration) bool {
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if w != nil && w.timer != nil {
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log.Infoln("resetting suicide watch") //TODO(jdef) debug
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w.timer.Reset(d)
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return true
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}
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return false
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}
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