151 lines
3.5 KiB
Go
151 lines
3.5 KiB
Go
// Mgmt
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// Copyright (C) 2013-2016+ James Shubin and the project contributors
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// Written by James Shubin <james@shubin.ca> and the project contributors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"encoding/gob"
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"log"
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"time"
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)
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func init() {
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gob.Register(&TimerRes{})
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}
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// TimerRes is a timer resource for time based events.
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type TimerRes struct {
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BaseRes `yaml:",inline"`
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Interval int `yaml:"interval"` // Interval : Interval between runs
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}
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// TimerUUID is the UUID struct for TimerRes.
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type TimerUUID struct {
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BaseUUID
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name string
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}
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// NewTimerRes creates a new TimerRes.
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func NewTimerRes(name string, interval int) *TimerRes {
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obj := &TimerRes{
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BaseRes: BaseRes{
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Name: name,
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},
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Interval: interval,
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}
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obj.Init()
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return obj
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}
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func (obj *TimerRes) Init() {
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obj.BaseRes.kind = "Timer"
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obj.BaseRes.Init() // call base init, b/c we're overrriding
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}
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// Validate the params that are passed to TimerRes
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// Currently we are getting only an interval in seconds
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// which gets validated by go compiler
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func (obj *TimerRes) Validate() bool {
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return true
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}
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func (obj *TimerRes) Watch(processChan chan Event) {
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if obj.IsWatching() {
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return
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}
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// Create a time.Ticker for the given interval
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ticker := time.NewTicker(time.Duration(obj.Interval) * time.Second)
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defer ticker.Stop()
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obj.SetWatching(true)
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defer obj.SetWatching(false)
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cuuid := obj.converger.Register()
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defer cuuid.Unregister()
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var send = false
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for {
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obj.SetState(resStateWatching)
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select {
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case <-ticker.C: // received the timer event
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send = true
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log.Printf("%v[%v]: received tick", obj.Kind(), obj.GetName())
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case event := <-obj.events:
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cuuid.SetConverged(false)
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if exit, _ := obj.ReadEvent(&event); exit {
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return
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}
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case <-cuuid.ConvergedTimer():
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cuuid.SetConverged(true)
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continue
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}
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if send {
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send = false
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obj.isStateOK = false
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resp := NewResp()
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processChan <- Event{eventNil, resp, "timer ticked", true}
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resp.ACKWait()
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}
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}
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}
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func (obj *TimerRes) GetUUIDs() []ResUUID {
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x := &TimerUUID{
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BaseUUID: BaseUUID{
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name: obj.GetName(),
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kind: obj.Kind(),
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},
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name: obj.Name,
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}
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return []ResUUID{x}
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}
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// The AutoEdges method returns the AutoEdges. In this case none are used.
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func (obj *TimerRes) AutoEdges() AutoEdge {
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return nil
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}
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func (obj *TimerRes) Compare(res Res) bool {
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switch res.(type) {
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case *TimerRes:
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res := res.(*TimerRes)
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if !obj.BaseRes.Compare(res) {
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return false
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}
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if obj.Name != res.Name {
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return false
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}
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if obj.Interval != res.Interval {
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return false
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}
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default:
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return false
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}
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return true
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}
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// CheckApply method for Timer resource. Does nothing, returns happy!
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func (obj *TimerRes) CheckApply(apply bool) (bool, error) {
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log.Printf("%v[%v]: CheckApply(%t)", obj.Kind(), obj.GetName(), apply)
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return true, nil // state is always okay
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}
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func (obj *TimerRes) CollectPatten(pattern string) {
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return
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}
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