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task.go
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task.go
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package task
import (
"fmt"
"sync"
"github.com/pkg/errors"
"github.com/tevino/abool/v2"
"github.com/lucky-byte/reactgo/serve/db"
"github.com/lucky-byte/reactgo/serve/xlog"
)
var lock sync.Mutex
// 添加
func Add(t db.Task) error {
lock.Lock()
defer lock.Unlock()
job := &Job{Task: t, Running: *abool.New()}
if t.Type == 1 {
f := findFunc(t.Path)
if f == nil || f.Func == nil {
return fmt.Errorf("未定义函数'%s'", t.Path)
}
job.Func = f.Func
}
id, err := scheduler.cron.AddJob(t.Cron, job)
if err != nil {
return errors.Wrapf(err, "添加任务'%s'错", t.Name)
}
xlog.X.Tracef("添加任务'%s' %d", t.Name, id)
return nil
}
// 替换
func Replace(t db.Task, uuid string) error {
lock.Lock()
defer lock.Unlock()
for _, e := range Entries() {
job := e.Job.(*Job)
if job.Task.UUID == uuid {
scheduler.cron.Remove(e.ID)
xlog.X.Tracef("删除任务'%s'", job.Task.Name)
break
}
}
job := &Job{Task: t, Running: *abool.New()}
if t.Type == 1 {
f := findFunc(t.Path)
if f == nil || f.Func == nil {
return fmt.Errorf("未定义函数'%s'", t.Path)
}
job.Func = f.Func
}
id, err := scheduler.cron.AddJob(t.Cron, job)
if err != nil {
return errors.Wrapf(err, "添加任务'%s'错", t.Name)
}
xlog.X.Tracef("添加任务'%s' %d", t.Name, id)
return nil
}
// 删除
func Remove(uuid string) error {
lock.Lock()
defer lock.Unlock()
for _, e := range Entries() {
job := e.Job.(*Job)
if job.Task.UUID == uuid {
scheduler.cron.Remove(e.ID)
xlog.X.Tracef("删除任务'%s'", job.Task.Name)
return nil
}
}
return fmt.Errorf("未找到任务")
}
// 立即执行
func Fire(uuid string) error {
lock.Lock()
defer lock.Unlock()
for _, e := range Entries() {
job := e.Job.(*Job)
if job.Task.UUID == uuid {
if job.Running.IsSet() {
return fmt.Errorf("任务正在执行中,本次调度被忽略")
}
go func() {
job.Run()
}()
return nil
}
}
return fmt.Errorf("未找到任务")
}