dragonfly/scheduler/supervisor/task/manager.go

96 lines
2.5 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 task
import (
"sync"
"time"
"d7y.io/dragonfly/v2/scheduler/config"
"d7y.io/dragonfly/v2/scheduler/supervisor"
)
type manager struct {
peerManager supervisor.PeerMgr
cleanupExpiredTaskTicker *time.Ticker
taskTTL time.Duration
taskTTI time.Duration
taskMap sync.Map
}
func NewManager(cfg *config.GCConfig, peerManager supervisor.PeerMgr) supervisor.TaskMgr {
m := &manager{
peerManager: peerManager,
cleanupExpiredTaskTicker: time.NewTicker(cfg.TaskGCInterval),
taskTTL: cfg.TaskTTL,
taskTTI: cfg.TaskTTI,
}
go m.cleanupTasks()
return m
}
var _ supervisor.TaskMgr = (*manager)(nil)
func (m *manager) Delete(taskID string) {
m.taskMap.Delete(taskID)
}
func (m *manager) Add(task *supervisor.Task) {
m.taskMap.Store(task.TaskID, task)
}
func (m *manager) Get(taskID string) (task *supervisor.Task, ok bool) {
item, ok := m.taskMap.Load(taskID)
if !ok {
return nil, false
}
return item.(*supervisor.Task), true
}
func (m *manager) GetOrAdd(task *supervisor.Task) (actual *supervisor.Task, loaded bool) {
item, loaded := m.taskMap.LoadOrStore(task.TaskID, task)
if loaded {
return item.(*supervisor.Task), true
}
return task, false
}
func (m *manager) cleanupTasks() {
for range m.cleanupExpiredTaskTicker.C {
m.taskMap.Range(func(key, value interface{}) bool {
taskID := key.(string)
task := value.(*supervisor.Task)
elapse := time.Since(task.GetLastAccessTime())
if elapse > m.taskTTI && task.IsSuccess() {
task.SetStatus(supervisor.TaskStatusZombie)
}
if task.ListPeers().Size() == 0 {
task.SetStatus(supervisor.TaskStatusWaiting)
}
if elapse > m.taskTTL {
// TODO lock
peers := m.peerManager.ListPeersByTask(taskID)
for _, peer := range peers {
m.peerManager.Delete(peer.PeerID)
}
m.Delete(taskID)
}
return true
})
}
}