2019-02-02 16:18:25 +08:00
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// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
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2018-12-30 11:08:07 +08:00
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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2019-02-02 16:18:25 +08:00
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// You can obtain one at https://github.com/gogf/gf.
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2018-12-30 11:08:07 +08:00
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2019-01-22 13:50:10 +08:00
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// Package gtimer implements Hierarchical Timing Wheel for interval/delayed jobs running and management.
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2019-01-16 13:35:16 +08:00
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//
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2019-01-22 13:50:10 +08:00
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// 任务定时器,
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// 高性能的分层时间轮任务管理模块,用于管理间隔/延迟运行任务。
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2019-01-06 11:09:50 +08:00
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// 与gcron模块的区别是,时间轮模块只管理间隔执行任务,并且更注重执行效率(纳秒级别)。
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2019-01-09 12:54:37 +08:00
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// 需要注意执行时间间隔的准确性问题: https://github.com/golang/go/issues/14410
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2019-01-12 22:41:12 +08:00
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package gtimer
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2019-01-01 19:43:31 +08:00
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2019-01-09 12:54:37 +08:00
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import (
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2019-02-02 16:18:25 +08:00
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"github.com/gogf/gf/g/internal/cmdenv"
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2019-01-09 12:54:37 +08:00
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"math"
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"time"
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)
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2018-12-30 11:08:07 +08:00
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const (
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2019-01-03 19:11:54 +08:00
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STATUS_READY = 0
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STATUS_RUNNING = 1
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2019-01-17 14:15:23 +08:00
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STATUS_STOPPED = 2
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2019-01-03 19:11:54 +08:00
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STATUS_CLOSED = -1
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gPANIC_EXIT = "exit"
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2019-01-11 13:46:40 +08:00
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gDEFAULT_TIMES = math.MaxInt32
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2019-01-06 11:09:50 +08:00
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gDEFAULT_SLOT_NUMBER = 10
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2019-01-23 13:01:58 +08:00
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gDEFAULT_WHEEL_INTERVAL = 50
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gDEFAULT_WHEEL_LEVEL = 6
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)
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var (
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2019-01-23 13:01:58 +08:00
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// 默认定时器属性参数值
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defaultSlots = cmdenv.Get("gf.gtimer.slots", gDEFAULT_SLOT_NUMBER).Int()
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defaultLevel = cmdenv.Get("gf.gtimer.level", gDEFAULT_WHEEL_LEVEL).Int()
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defaultInterval = cmdenv.Get("gf.gtimer.interval", gDEFAULT_WHEEL_INTERVAL).TimeDuration()*time.Millisecond
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// 默认的wheel管理对象
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defaultTimer = New(defaultSlots, defaultInterval, defaultLevel)
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2018-12-30 11:08:07 +08:00
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)
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2019-01-22 13:50:10 +08:00
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// 类似与js中的SetTimeout,一段时间后执行回调函数。
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2019-01-16 23:23:53 +08:00
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func SetTimeout(delay time.Duration, job JobFunc) {
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AddOnce(delay, job)
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}
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2019-01-22 13:50:10 +08:00
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// 类似与js中的SetInterval,每隔一段时间执行指定回调函数。
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2019-01-16 23:23:53 +08:00
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func SetInterval(interval time.Duration, job JobFunc) {
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Add(interval, job)
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}
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2019-01-22 13:50:10 +08:00
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// 添加执行方法。
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2019-01-09 13:26:59 +08:00
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func Add(interval time.Duration, job JobFunc) *Entry {
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return defaultTimer.Add(interval, job)
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2018-12-30 11:08:07 +08:00
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}
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2019-01-22 13:50:10 +08:00
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// 添加执行方法,更多参数控制。
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func AddEntry(interval time.Duration, job JobFunc, singleton bool, times int, status int) *Entry {
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return defaultTimer.AddEntry(interval, job, singleton, times, status)
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2019-01-21 22:09:51 +08:00
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}
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2019-01-22 13:50:10 +08:00
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// 添加单例运行循环任务。
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func AddSingleton(interval time.Duration, job JobFunc) *Entry {
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return defaultTimer.AddSingleton(interval, job)
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2018-12-30 11:08:07 +08:00
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}
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2019-01-22 13:50:10 +08:00
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// 添加只运行一次的循环任务。
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2019-01-09 13:26:59 +08:00
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func AddOnce(interval time.Duration, job JobFunc) *Entry {
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return defaultTimer.AddOnce(interval, job)
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}
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// 添加运行指定次数的循环任务。
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2019-01-09 13:26:59 +08:00
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func AddTimes(interval time.Duration, times int, job JobFunc) *Entry {
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return defaultTimer.AddTimes(interval, times, job)
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2018-12-30 11:08:07 +08:00
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}
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2019-01-22 13:50:10 +08:00
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// 延迟添加循环任务。
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2019-01-03 19:11:54 +08:00
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func DelayAdd(delay time.Duration, interval time.Duration, job JobFunc) {
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defaultTimer.DelayAdd(delay, interval, job)
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2018-12-30 11:08:07 +08:00
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}
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2019-01-21 22:09:51 +08:00
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// 延迟添加循环任务, 支持完整的参数。
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2019-01-23 13:01:58 +08:00
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func DelayAddEntry(delay time.Duration, interval time.Duration, job JobFunc, singleton bool, times int, status int) {
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defaultTimer.DelayAddEntry(delay, interval, job, singleton, times, status)
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2019-01-21 22:09:51 +08:00
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}
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2018-12-30 11:08:07 +08:00
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// 延迟添加单例循环任务,delay参数单位为秒
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2019-01-03 19:11:54 +08:00
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func DelayAddSingleton(delay time.Duration, interval time.Duration, job JobFunc) {
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defaultTimer.DelayAddSingleton(delay, interval, job)
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2018-12-30 11:08:07 +08:00
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}
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// 延迟添加只运行一次的循环任务,delay参数单位为秒
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2019-01-03 19:11:54 +08:00
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func DelayAddOnce(delay time.Duration, interval time.Duration, job JobFunc) {
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2019-01-12 22:41:12 +08:00
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defaultTimer.DelayAddOnce(delay, interval, job)
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2019-01-01 19:43:31 +08:00
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}
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// 延迟添加运行指定次数的循环任务,delay参数单位为秒
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2019-01-03 19:11:54 +08:00
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func DelayAddTimes(delay time.Duration, interval time.Duration, times int, job JobFunc) {
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defaultTimer.DelayAddTimes(delay, interval, times, job)
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2018-12-30 22:02:46 +08:00
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}
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2019-01-22 13:50:10 +08:00
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// 在Job方法中调用,停止当前运行的任务。
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2019-01-02 10:18:00 +08:00
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func Exit() {
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2018-12-30 14:53:16 +08:00
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panic(gPANIC_EXIT)
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}
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