mirror of
https://github.com/astaxie/beego.git
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add comments for toolbox packages
This commit is contained in:
parent
682544165f
commit
1d08a54f44
@ -29,16 +29,13 @@ type pointerInfo struct {
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used []int
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used []int
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}
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}
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//
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// print the data in console
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// print the data in console
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//
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func Display(data ...interface{}) {
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func Display(data ...interface{}) {
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display(true, data...)
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display(true, data...)
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}
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}
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//
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// return string
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// return data print string
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//
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func GetDisplayString(data ...interface{}) string {
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func GetDisplayString(data ...interface{}) string {
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return display(false, data...)
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return display(false, data...)
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}
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}
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@ -67,9 +64,7 @@ func display(displayed bool, data ...interface{}) string {
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return buf.String()
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return buf.String()
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}
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}
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//
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// return data dump and format bytes
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// return fomateinfo
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//
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func fomateinfo(headlen int, data ...interface{}) []byte {
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func fomateinfo(headlen int, data ...interface{}) []byte {
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var buf = new(bytes.Buffer)
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var buf = new(bytes.Buffer)
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@ -108,6 +103,7 @@ func fomateinfo(headlen int, data ...interface{}) []byte {
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return buf.Bytes()
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return buf.Bytes()
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}
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}
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// check data is golang basic type
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func isSimpleType(val reflect.Value, kind reflect.Kind, pointers **pointerInfo, interfaces *[]reflect.Value) bool {
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func isSimpleType(val reflect.Value, kind reflect.Kind, pointers **pointerInfo, interfaces *[]reflect.Value) bool {
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switch kind {
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switch kind {
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case reflect.Bool:
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case reflect.Bool:
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@ -158,6 +154,7 @@ func isSimpleType(val reflect.Value, kind reflect.Kind, pointers **pointerInfo,
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return false
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return false
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}
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}
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// dump value
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func printKeyValue(buf *bytes.Buffer, val reflect.Value, pointers **pointerInfo, interfaces *[]reflect.Value, structFilter func(string, string) bool, formatOutput bool, indent string, level int) {
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func printKeyValue(buf *bytes.Buffer, val reflect.Value, pointers **pointerInfo, interfaces *[]reflect.Value, structFilter func(string, string) bool, formatOutput bool, indent string, level int) {
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var t = val.Kind()
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var t = val.Kind()
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@ -367,6 +364,7 @@ func printKeyValue(buf *bytes.Buffer, val reflect.Value, pointers **pointerInfo,
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}
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}
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}
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}
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// dump pointer value
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func printPointerInfo(buf *bytes.Buffer, headlen int, pointers *pointerInfo) {
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func printPointerInfo(buf *bytes.Buffer, headlen int, pointers *pointerInfo) {
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var anyused = false
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var anyused = false
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var pointerNum = 0
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var pointerNum = 0
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@ -434,9 +432,7 @@ func printPointerInfo(buf *bytes.Buffer, headlen int, pointers *pointerInfo) {
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}
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}
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}
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}
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//
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// get stack bytes
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// get stack info
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//
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func stack(skip int, indent string) []byte {
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func stack(skip int, indent string) []byte {
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var buf = new(bytes.Buffer)
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var buf = new(bytes.Buffer)
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@ -455,7 +451,7 @@ func stack(skip int, indent string) []byte {
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return buf.Bytes()
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return buf.Bytes()
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}
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}
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// function returns, if possible, the name of the function containing the PC.
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// return the name of the function containing the PC if possible,
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func function(pc uintptr) []byte {
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func function(pc uintptr) []byte {
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fn := runtime.FuncForPC(pc)
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fn := runtime.FuncForPC(pc)
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if fn == nil {
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if fn == nil {
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@ -13,12 +13,15 @@ package toolbox
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//AddHealthCheck("database",&DatabaseCheck{})
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//AddHealthCheck("database",&DatabaseCheck{})
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// health checker map
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var AdminCheckList map[string]HealthChecker
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var AdminCheckList map[string]HealthChecker
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// health checker interface
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type HealthChecker interface {
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type HealthChecker interface {
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Check() error
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Check() error
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}
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}
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// add health checker with name string
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func AddHealthCheck(name string, hc HealthChecker) {
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func AddHealthCheck(name string, hc HealthChecker) {
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AdminCheckList[name] = hc
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AdminCheckList[name] = hc
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}
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}
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@ -19,6 +19,7 @@ func init() {
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pid = os.Getpid()
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pid = os.Getpid()
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}
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}
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// parse input command string
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func ProcessInput(input string, w io.Writer) {
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func ProcessInput(input string, w io.Writer) {
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switch input {
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switch input {
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case "lookup goroutine":
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case "lookup goroutine":
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@ -44,6 +45,7 @@ func ProcessInput(input string, w io.Writer) {
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}
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}
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}
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}
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// record memory profile in pprof
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func MemProf() {
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func MemProf() {
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if f, err := os.Create("mem-" + strconv.Itoa(pid) + ".memprof"); err != nil {
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if f, err := os.Create("mem-" + strconv.Itoa(pid) + ".memprof"); err != nil {
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log.Fatal("record memory profile failed: %v", err)
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log.Fatal("record memory profile failed: %v", err)
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@ -54,6 +56,7 @@ func MemProf() {
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}
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}
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}
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}
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// start cpu profile monitor
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func StartCPUProfile() {
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func StartCPUProfile() {
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f, err := os.Create("cpu-" + strconv.Itoa(pid) + ".pprof")
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f, err := os.Create("cpu-" + strconv.Itoa(pid) + ".pprof")
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if err != nil {
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if err != nil {
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@ -62,10 +65,12 @@ func StartCPUProfile() {
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pprof.StartCPUProfile(f)
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pprof.StartCPUProfile(f)
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}
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}
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// stop cpu profile monitor
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func StopCPUProfile() {
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func StopCPUProfile() {
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pprof.StopCPUProfile()
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pprof.StopCPUProfile()
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}
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}
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// print gc information to io.Writer
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func PrintGCSummary(w io.Writer) {
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func PrintGCSummary(w io.Writer) {
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memStats := &runtime.MemStats{}
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memStats := &runtime.MemStats{}
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runtime.ReadMemStats(memStats)
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runtime.ReadMemStats(memStats)
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@ -114,7 +119,7 @@ func avg(items []time.Duration) time.Duration {
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return time.Duration(int64(sum) / int64(len(items)))
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return time.Duration(int64(sum) / int64(len(items)))
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}
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}
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// human readable format
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// format bytes number friendly
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func toH(bytes uint64) string {
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func toH(bytes uint64) string {
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switch {
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switch {
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case bytes < 1024:
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case bytes < 1024:
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@ -7,6 +7,7 @@ import (
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"time"
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"time"
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)
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)
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// Statistics struct
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type Statistics struct {
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type Statistics struct {
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RequestUrl string
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RequestUrl string
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RequestController string
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RequestController string
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@ -16,12 +17,15 @@ type Statistics struct {
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TotalTime time.Duration
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TotalTime time.Duration
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}
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}
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// UrlMap contains several statistics struct to log different data
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type UrlMap struct {
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type UrlMap struct {
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lock sync.RWMutex
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lock sync.RWMutex
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LengthLimit int //limit the urlmap's length if it's equal to 0 there's no limit
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LengthLimit int //limit the urlmap's length if it's equal to 0 there's no limit
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urlmap map[string]map[string]*Statistics
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urlmap map[string]map[string]*Statistics
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}
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}
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// add statistics task.
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// it needs request method, request url, request controller and statistics time duration
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func (m *UrlMap) AddStatistics(requestMethod, requestUrl, requestController string, requesttime time.Duration) {
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func (m *UrlMap) AddStatistics(requestMethod, requestUrl, requestController string, requesttime time.Duration) {
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m.lock.Lock()
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m.lock.Lock()
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defer m.lock.Unlock()
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defer m.lock.Unlock()
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@ -65,6 +69,7 @@ func (m *UrlMap) AddStatistics(requestMethod, requestUrl, requestController stri
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}
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}
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}
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}
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// put url statistics result in io.Writer
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func (m *UrlMap) GetMap(rw io.Writer) {
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func (m *UrlMap) GetMap(rw io.Writer) {
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m.lock.RLock()
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m.lock.RLock()
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defer m.lock.RUnlock()
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defer m.lock.RUnlock()
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@ -78,6 +83,7 @@ func (m *UrlMap) GetMap(rw io.Writer) {
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}
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}
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}
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}
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// global statistics data map
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var StatisticsMap *UrlMap
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var StatisticsMap *UrlMap
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func init() {
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func init() {
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@ -53,6 +53,7 @@ const (
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starBit = 1 << 63
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starBit = 1 << 63
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)
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)
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// time taks schedule
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type Schedule struct {
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type Schedule struct {
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Second uint64
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Second uint64
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Minute uint64
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Minute uint64
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@ -62,8 +63,10 @@ type Schedule struct {
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Week uint64
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Week uint64
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}
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}
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// task func type
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type TaskFunc func() error
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type TaskFunc func() error
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// task interface
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type Tasker interface {
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type Tasker interface {
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GetStatus() string
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GetStatus() string
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Run() error
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Run() error
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@ -73,21 +76,24 @@ type Tasker interface {
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GetPrev() time.Time
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GetPrev() time.Time
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}
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}
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// task error
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type taskerr struct {
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type taskerr struct {
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t time.Time
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t time.Time
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errinfo string
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errinfo string
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}
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}
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// task struct
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type Task struct {
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type Task struct {
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Taskname string
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Taskname string
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Spec *Schedule
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Spec *Schedule
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DoFunc TaskFunc
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DoFunc TaskFunc
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Prev time.Time
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Prev time.Time
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Next time.Time
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Next time.Time
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Errlist []*taskerr //errtime:errinfo
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Errlist []*taskerr // like errtime:errinfo
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ErrLimit int //max length for the errlist 0 stand for there' no limit
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ErrLimit int // max length for the errlist, 0 stand for no limit
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}
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}
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// add new task with name, time and func
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func NewTask(tname string, spec string, f TaskFunc) *Task {
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func NewTask(tname string, spec string, f TaskFunc) *Task {
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task := &Task{
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task := &Task{
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@ -99,6 +105,7 @@ func NewTask(tname string, spec string, f TaskFunc) *Task {
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return task
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return task
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}
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}
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// get current task status
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func (tk *Task) GetStatus() string {
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func (tk *Task) GetStatus() string {
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var str string
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var str string
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for _, v := range tk.Errlist {
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for _, v := range tk.Errlist {
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@ -107,6 +114,7 @@ func (tk *Task) GetStatus() string {
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return str
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return str
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}
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}
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// run task
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func (tk *Task) Run() error {
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func (tk *Task) Run() error {
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err := tk.DoFunc()
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err := tk.DoFunc()
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if err != nil {
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if err != nil {
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@ -117,53 +125,58 @@ func (tk *Task) Run() error {
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return err
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return err
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}
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}
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// set next time for this task
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func (tk *Task) SetNext(now time.Time) {
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func (tk *Task) SetNext(now time.Time) {
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tk.Next = tk.Spec.Next(now)
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tk.Next = tk.Spec.Next(now)
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}
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}
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// get the next call time of this task
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func (tk *Task) GetNext() time.Time {
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func (tk *Task) GetNext() time.Time {
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return tk.Next
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return tk.Next
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}
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}
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// set prev time of this task
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func (tk *Task) SetPrev(now time.Time) {
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func (tk *Task) SetPrev(now time.Time) {
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tk.Prev = now
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tk.Prev = now
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}
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}
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// get prev time of this task
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func (tk *Task) GetPrev() time.Time {
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func (tk *Task) GetPrev() time.Time {
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return tk.Prev
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return tk.Prev
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}
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}
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//前6个字段分别表示:
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// six columns mean:
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// 秒钟:0-59
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// second:0-59
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// 分钟:0-59
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// minute:0-59
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// 小时:1-23
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// hour:1-23
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// 日期:1-31
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// day:1-31
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// 月份:1-12
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// month:1-12
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// 星期:0-6(0表示周日)
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// week:0-6(0 means Sunday)
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//还可以用一些特殊符号:
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// some signals:
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// *: 表示任何时刻
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// *: any time
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// ,: 表示分割,如第三段里:2,4,表示2点和4点执行
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// ,: separate signal
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// -:表示一个段,如第三端里: 1-5,就表示1到5点
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// -:duration
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// /n : 表示每个n的单位执行一次,如第三段里,*/1, 就表示每隔1个小时执行一次命令。也可以写成1-23/1.
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// /n : do as n times of time duration
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/////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////
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// 0/30 * * * * * 每30秒 执行
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// 0/30 * * * * * every 30s
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// 0 43 21 * * * 21:43 执行
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// 0 43 21 * * * 21:43
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// 0 15 05 * * * 05:15 执行
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// 0 15 05 * * * 05:15
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// 0 0 17 * * * 17:00 执行
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// 0 0 17 * * * 17:00
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// 0 0 17 * * 1 每周一的 17:00 执行
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// 0 0 17 * * 1 17:00 in every Monday
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// 0 0,10 17 * * 0,2,3 每周日,周二,周三的 17:00和 17:10 执行
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// 0 0,10 17 * * 0,2,3 17:00 and 17:10 in every Sunday, Tuesday and Wednesday
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// 0 0-10 17 1 * * 毎月1日从 17:00到7:10 毎隔1分钟 执行
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// 0 0-10 17 1 * * 17:00 to 17:10 in 1 min duration each time on the first day of month
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// 0 0 0 1,15 * 1 毎月1日和 15日和 一日的 0:00 执行
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// 0 0 0 1,15 * 1 0:00 on the 1st day and 15th day of month
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// 0 42 4 1 * * 毎月1日的 4:42分 执行
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// 0 42 4 1 * * 4:42 on the 1st day of month
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// 0 0 21 * * 1-6 周一到周六 21:00 执行
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// 0 0 21 * * 1-6 21:00 from Monday to Saturday
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// 0 0,10,20,30,40,50 * * * * 每隔10分 执行
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// 0 0,10,20,30,40,50 * * * * every 10 min duration
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// 0 */10 * * * * 每隔10分 执行
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// 0 */10 * * * * every 10 min duration
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// 0 * 1 * * * 从1:0到1:59 每隔1分钟 执行
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// 0 * 1 * * * 1:00 to 1:59 in 1 min duration each time
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// 0 0 1 * * * 1:00 执行
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// 0 0 1 * * * 1:00
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// 0 0 */1 * * * 毎时0分 每隔1小时 执行
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// 0 0 */1 * * * 0 min of hour in 1 hour duration
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// 0 0 * * * * 毎时0分 每隔1小时 执行
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// 0 0 * * * * 0 min of hour in 1 hour duration
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// 0 2 8-20/3 * * * 8:02,11:02,14:02,17:02,20:02 执行
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// 0 2 8-20/3 * * * 8:02, 11:02, 14:02, 17:02, 20:02
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// 0 30 5 1,15 * * 1日 和 15日的 5:30 执行
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// 0 30 5 1,15 * * 5:30 on the 1st day and 15th day of month
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func (t *Task) SetCron(spec string) {
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func (t *Task) SetCron(spec string) {
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t.Spec = t.parse(spec)
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t.Spec = t.parse(spec)
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}
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}
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@ -252,6 +265,7 @@ func (t *Task) parseSpec(spec string) *Schedule {
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return nil
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return nil
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}
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}
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// set schedule to next time
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func (s *Schedule) Next(t time.Time) time.Time {
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func (s *Schedule) Next(t time.Time) time.Time {
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// Start at the earliest possible time (the upcoming second).
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// Start at the earliest possible time (the upcoming second).
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@ -349,6 +363,7 @@ func dayMatches(s *Schedule, t time.Time) bool {
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return domMatch || dowMatch
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return domMatch || dowMatch
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}
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}
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// start all tasks
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func StartTask() {
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func StartTask() {
|
||||||
go run()
|
go run()
|
||||||
}
|
}
|
||||||
@ -388,20 +403,23 @@ func run() {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// start all tasks
|
||||||
func StopTask() {
|
func StopTask() {
|
||||||
stop <- true
|
stop <- true
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// add task with name
|
||||||
func AddTask(taskname string, t Tasker) {
|
func AddTask(taskname string, t Tasker) {
|
||||||
AdminTaskList[taskname] = t
|
AdminTaskList[taskname] = t
|
||||||
}
|
}
|
||||||
|
|
||||||
//sort map for tasker
|
// sort map for tasker
|
||||||
type MapSorter struct {
|
type MapSorter struct {
|
||||||
Keys []string
|
Keys []string
|
||||||
Vals []Tasker
|
Vals []Tasker
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// create new tasker map
|
||||||
func NewMapSorter(m map[string]Tasker) *MapSorter {
|
func NewMapSorter(m map[string]Tasker) *MapSorter {
|
||||||
ms := &MapSorter{
|
ms := &MapSorter{
|
||||||
Keys: make([]string, 0, len(m)),
|
Keys: make([]string, 0, len(m)),
|
||||||
@ -414,6 +432,7 @@ func NewMapSorter(m map[string]Tasker) *MapSorter {
|
|||||||
return ms
|
return ms
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// sort tasker map
|
||||||
func (ms *MapSorter) Sort() {
|
func (ms *MapSorter) Sort() {
|
||||||
sort.Sort(ms)
|
sort.Sort(ms)
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user