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// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package jobs
import (
"context"
"time"
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/mattermost-server/model"
)
type TestWorker struct {
name string
stop chan bool
stopped chan bool
jobs chan model.Job
}
func MakeTestWorker(name string) *TestWorker {
return &TestWorker{
name: name,
stop: make(chan bool, 1),
stopped: make(chan bool, 1),
jobs: make(chan model.Job),
}
}
func (worker *TestWorker) Run() {
l4g.Debug("Worker %v: Started", worker.name)
defer func() {
l4g.Debug("Worker %v: Finished", worker.name)
worker.stopped <- true
}()
for {
select {
case <-worker.stop:
l4g.Debug("Worker %v: Received stop signal", worker.name)
return
case job := <-worker.jobs:
l4g.Debug("Worker %v: Received a new candidate job.", worker.name)
worker.DoJob(&job)
}
}
}
func (worker *TestWorker) DoJob(job *model.Job) {
if claimed, err := ClaimJob(job); err != nil {
l4g.Error("Job: %v: Error occurred while trying to claim job: %v", job.Id, err.Error())
return
} else if !claimed {
return
}
cancelCtx, cancelCancelWatcher := context.WithCancel(context.Background())
cancelWatcherChan := make(chan interface{}, 1)
go CancellationWatcher(cancelCtx, job.Id, cancelWatcherChan)
defer cancelCancelWatcher()
counter := 0
for {
select {
case <-cancelWatcherChan:
l4g.Debug("Job %v: Job has been canceled via CancellationWatcher.", job.Id)
if err := SetJobCanceled(job); err != nil {
l4g.Error("Failed to mark job: %v as canceled. Error: %v", job.Id, err.Error())
}
return
case <-worker.stop:
l4g.Debug("Job %v: Job has been canceled via Worker Stop.", job.Id)
if err := SetJobCanceled(job); err != nil {
l4g.Error("Failed to mark job: %v as canceled. Error: %v", job.Id, err.Error())
}
return
case <-time.After(5 * time.Second):
counter++
if counter > 10 {
l4g.Debug("Job %v: Job completed.", job.Id)
if err := SetJobSuccess(job); err != nil {
l4g.Error("Failed to mark job: %v as succeeded. Error: %v", job.Id, err.Error())
}
return
} else {
if err := SetJobProgress(job, int64(counter*10)); err != nil {
l4g.Error("Job: %v: an error occured while trying to set job progress: %v", job.Id, err.Error())
}
}
}
}
}
func (worker *TestWorker) Stop() {
l4g.Debug("Worker %v: Stopping", worker.name)
worker.stop <- true
<-worker.stopped
}
func (worker *TestWorker) JobChannel() chan<- model.Job {
return worker.jobs
}
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