fork(1) download 
  1. package main
  2.  
  3. import (
  4. 	"fmt"
  5. 	"time"
  6. 	"os"
  7. 	"os/signal"
  8. )
  9.  
  10. type Timer struct {
  11. 	Queue chan *TimeCall
  12. }
  13.  
  14. func NewTimer(l int) *Timer {
  15. 	timer := new(Timer)
  16. 	timer.Queue = make(chan *TimeCall,l)
  17. 	return timer
  18. }
  19.  
  20. type TimeCall struct {
  21. 	timer    *time.Timer
  22. 	callback func()
  23. }
  24.  
  25. func (this *TimeCall) CallBack() {
  26. 	defer func() { recover() }()
  27. 	if this.callback != nil {
  28. 		this.callback()
  29. 	}
  30. }
  31.  
  32. func (this *Timer) AfterFunc(d time.Duration, callback func()) *TimeCall {
  33. 	call := new(TimeCall)
  34. 	call.callback = callback
  35. 	call.timer = time.AfterFunc(d, func() {
  36. 		this.Queue <- call
  37. 	})
  38. 	return call
  39. }
  40.  
  41.  
  42.  
  43. type PipeService struct {
  44. 	TimeCall *Timer
  45. }
  46.  
  47. func (this *PipeService) AfterFunc(delay time.Duration, callback func()) *TimeCall {
  48. 	return this.TimeCall.AfterFunc(delay, callback)
  49. }
  50.  
  51. func (this *PipeService) IntervalCall(interval time.Duration, callback func()) {
  52. 	this.TimeCall.AfterFunc(interval,func(){
  53. 		if callback != nil {
  54. 			callback()
  55. 		}
  56. 		this.AfterFunc(interval,callback)
  57. 	})
  58. }
  59.  
  60. func (this *PipeService) Run(closeSig chan bool) {
  61. 	for {
  62. 		select {
  63. 		case <-closeSig:
  64. 			return
  65. 		case call := <-this.TimeCall.Queue:
  66. 			call.CallBack()
  67. 		}
  68. 	}
  69. }
  70.  
  71. func main() {
  72. 	var closeChan chan bool
  73.  	InsPipeService := &PipeService{TimeCall: NewTimer(10)}
  74. 	InsPipeService.IntervalCall(2*time.Second,func(){
  75. 		fmt.Println("interval call")
  76. 	})
  77.  
  78. 	c := make(chan os.Signal, 1)
  79. 	signal.Notify(c, os.Interrupt, os.Kill)
  80.  
  81. 	go func(){
  82. 		InsPipeService.Run(closeChan)
  83. 	}()
  84.  
  85. 	time.Sleep(10*time.Second)
  86. }
  87.  
Success #stdin #stdout 0s 790016KB
comments (?)
stdin 
Standard input is empty
stdout 
interval call
interval call
https://ideone.com/vk3t4q
language:
Go (go 1.12.1)
created:
8 years ago
visibility:
public

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