1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10
11. 11
12. 12
13. 13
14. 14
15. 15
16. 16
17. 17
18. 18
19. 19
20. 20
21. 21
22. 22
23. 23
24. 24
25. 25
26. 26
27. 27
28. 28
29. 29
30. 30
31. 31
32. 32
33. 33
34. 34
35. 35
36. 36
37. 37
38. 38
39. 39
40. 40
41. 41
42. 42
43. 43
44. 44
45. 45
46. 46
47. 47
48. 48
49. 49
50. 50
51. 51
52. 52
53. 53
54. 54
55. 55
56. 56
57. 57
58. 58
59. 59
60. 60
61. 61
62. 62
63. 63
64. 64
65. 65
66. 66
67. 67
68. 68
69. 69
70. 70
71. 71
72. 72
73. 73
74. 74
75. 75
76. 76
77. 77
78. 78
79. 79
80. 80
81. 81
82. 82
83. 83
84. 84
85. 85
86. 86
87. 87
88. 88
89. 89
90. 90
91. 91
92. 92
93. 93

// 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
}