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// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package cron
import (
"context"
"time"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/sync"
"github.com/gogs/cron"
)
var c = cron.New()
// Prevent duplicate running tasks.
var taskStatusTable = sync.NewStatusTable()
// NewContext begins cron tasks
// Each cron task is run within the shutdown context as a running server
// AtShutdown the cron server is stopped
func NewContext() {
initBasicTasks()
initExtendedTasks()
lock.Lock()
for _, task := range tasks {
if task.IsEnabled() && task.DoRunAtStart() {
go task.Run()
}
}
c.Start()
started = true
lock.Unlock()
graceful.GetManager().RunAtShutdown(context.Background(), func() {
c.Stop()
lock.Lock()
started = false
lock.Unlock()
})
}
// TaskTableRow represents a task row in the tasks table
type TaskTableRow struct {
Name string
Spec string
Next time.Time
Prev time.Time
ExecTimes int64
}
// TaskTable represents a table of tasks
type TaskTable []*TaskTableRow
// ListTasks returns all running cron tasks.
func ListTasks() TaskTable {
entries := c.Entries()
eMap := map[string]*cron.Entry{}
for _, e := range entries {
eMap[e.Description] = e
}
lock.Lock()
defer lock.Unlock()
tTable := make([]*TaskTableRow, 0, len(tasks))
for _, task := range tasks {
spec := "-"
var (
next time.Time
prev time.Time
)
if e, ok := eMap[task.Name]; ok {
spec = e.Spec
next = e.Next
prev = e.Prev
}
task.lock.Lock()
tTable = append(tTable, &TaskTableRow{
Name: task.Name,
Spec: spec,
Next: next,
Prev: prev,
ExecTimes: task.ExecTimes,
})
task.lock.Unlock()
}
return tTable
}
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