dragonfly/scheduler/service/worker/worker_group.go

112 lines
3.0 KiB
Go

/*
* Copyright 2020 The Dragonfly 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.
*/
package worker
import (
"hash/crc32"
logger "d7y.io/dragonfly/v2/internal/dflog"
scheduler2 "d7y.io/dragonfly/v2/internal/rpc/scheduler"
"d7y.io/dragonfly/v2/scheduler/config"
"d7y.io/dragonfly/v2/scheduler/service"
"d7y.io/dragonfly/v2/scheduler/types"
"k8s.io/client-go/util/workqueue"
)
type IWorker interface {
Serve()
Stop()
ReceiveJob(job *types.PeerTask)
ReceiveUpdatePieceResult(pr *scheduler2.PieceResult)
}
type Group struct {
workerNum int
chanSize int
workerList []*Worker
stopCh chan struct{}
sender ISender
triggerLoadQueue workqueue.Interface
schedulerService *service.SchedulerService
}
var _ IWorker = (*Group)(nil)
func NewGroup(cfg *config.Config, schedulerService *service.SchedulerService) *Group {
return &Group{
workerNum: cfg.Worker.WorkerNum,
chanSize: cfg.Worker.WorkerJobPoolSize,
sender: NewSender(cfg.Worker, schedulerService),
schedulerService: schedulerService,
triggerLoadQueue: workqueue.New(),
}
}
func (wg *Group) Serve() {
wg.stopCh = make(chan struct{})
wg.schedulerService.TaskManager.PeerTask.SetDownloadingMonitorCallBack(func(pt *types.PeerTask) {
status := pt.GetNodeStatus()
if status != types.PeerTaskStatusHealth {
//} else if pt.GetNodeStatus() != types.PeerTaskStatusDone{
// return
} else if pt.Success || pt.Host.Type == types.HostTypeCdn {
return
} else if pt.GetParent() == nil {
pt.SetNodeStatus(types.PeerTaskStatusNeedParent)
} else {
pt.SetNodeStatus(types.PeerTaskStatusNeedCheckNode)
}
wg.ReceiveJob(pt)
})
for i := 0; i < wg.workerNum; i++ {
w := NewWorker(wg.schedulerService, wg.sender, wg.ReceiveJob, wg.stopCh)
w.Serve()
wg.workerList = append(wg.workerList, w)
}
wg.sender.Serve()
logger.Infof("start scheduler worker number:%d", wg.workerNum)
}
func (wg *Group) Stop() {
close(wg.stopCh)
wg.sender.Stop()
wg.triggerLoadQueue.ShutDown()
logger.Infof("stop scheduler worker")
}
func (wg *Group) ReceiveJob(job *types.PeerTask) {
if job == nil {
return
}
choiceWorkerID := crc32.ChecksumIEEE([]byte(job.Task.TaskID)) % uint32(wg.workerNum)
wg.workerList[choiceWorkerID].ReceiveJob(job)
}
func (wg *Group) ReceiveUpdatePieceResult(pr *scheduler2.PieceResult) {
if pr == nil {
return
}
choiceWorkerID := crc32.ChecksumIEEE([]byte(pr.SrcPid)) % uint32(wg.workerNum)
wg.workerList[choiceWorkerID].ReceiveUpdatePieceResult(pr)
}