mirror of
https://github.com/bufanyun/hotgo.git
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314 lines
6.9 KiB
Go
314 lines
6.9 KiB
Go
// Package cron
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// @Link https://github.com/bufanyun/hotgo
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// @Copyright Copyright (c) 2023 HotGo CLI
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// @Author Ms <133814250@qq.com>
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// @License https://github.com/bufanyun/hotgo/blob/master/LICENSE
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package cron
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import (
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"bufio"
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"context"
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"fmt"
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"github.com/gogf/gf/v2/errors/gerror"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/os/gcron"
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"github.com/gogf/gf/v2/os/gctx"
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"github.com/gogf/gf/v2/os/gfile"
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"github.com/gogf/gf/v2/os/glog"
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"github.com/gogf/gf/v2/os/gtime"
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"hotgo/internal/consts"
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"hotgo/internal/dao"
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"hotgo/internal/model/entity"
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"hotgo/utility/simple"
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"os"
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"strings"
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"sync"
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)
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var crons = &cronManager{
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tasks: make(map[string]*TaskItem),
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loggers: make(map[string]*glog.Logger),
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}
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// Cron 定时任务接口
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type Cron interface {
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// GetName 获取任务名称
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GetName() string
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// Execute 执行任务
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Execute(ctx context.Context, parser *Parser) (err error)
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}
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// Parser 任务执行参数
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type Parser struct {
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Args []string // 任务参数
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Logger *glog.Logger // 日志管理实例
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}
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// Log 任务调度日志
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type Log struct {
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FileName string `json:"fileName" dc:"文件名称"`
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SizeFormat string `json:"sizeFormat" dc:"文件大小"`
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Contents string `json:"contents" dc:"文件内容"`
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}
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// consumerManager 任务管理者
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type cronManager struct {
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tasks map[string]*TaskItem
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loggers map[string]*glog.Logger
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sync.RWMutex
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}
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type TaskItem struct {
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Pattern string // 表达式,参考:https://goframe.org/pages/viewpage.action?pageId=30736411
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Name string // 唯一的任务名称
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Params string // 函数参数,多个用,隔开
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Fun gcron.JobFunc // 执行的函数接口
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Policy int64 // 策略 1:并行 2:单例 3:单次 4:多次
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Count int // 执行次数,仅Policy=4时有效
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}
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func Logger() *glog.Logger {
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return g.Log("cron")
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}
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// Register 注册任务
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func Register(c Cron) {
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crons.Lock()
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defer crons.Unlock()
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name := c.GetName()
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if _, ok := crons.tasks[name]; ok {
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Logger().Debugf(gctx.GetInitCtx(), "cron.Register name:%v duplicate registration.", name)
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return
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}
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crons.tasks[name] = &TaskItem{Name: c.GetName(), Fun: GenExecuteFun(c.Execute)}
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}
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// StopALL 停止所有任务
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func StopALL() {
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for _, v := range gcron.Entries() {
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gcron.Remove(v.Name)
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}
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}
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// StartALL 启动所有任务
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func StartALL(sysCron []*entity.SysCron) (err error) {
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crons.Lock()
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defer crons.Unlock()
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if len(crons.tasks) == 0 {
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g.Log().Debug(gctx.GetInitCtx(), "no scheduled task is available.")
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return
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}
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for _, cron := range sysCron {
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f, ok := crons.tasks[cron.Name]
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if !ok {
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return gerror.Newf("该任务没有加入任务列表:%v", cron.Name)
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}
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sn := GenCronSn(cron)
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// 没有则添加
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if gcron.Search(sn) == nil {
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var (
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t *gcron.Entry
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ctx = GenCronCtx(cron)
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)
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switch cron.Policy {
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case consts.CronPolicySame:
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t, err = gcron.Add(ctx, cron.Pattern, f.Fun, sn)
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case consts.CronPolicySingle:
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t, err = gcron.AddSingleton(ctx, cron.Pattern, f.Fun, sn)
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case consts.CronPolicyOnce:
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t, err = gcron.AddOnce(ctx, cron.Pattern, f.Fun, sn)
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case consts.CronPolicyTimes:
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if f.Count <= 0 {
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f.Count = 1
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}
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t, err = gcron.AddTimes(ctx, cron.Pattern, int(cron.Count), f.Fun, sn)
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default:
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return gerror.Newf("使用无效的策略, cron.Policy=%v", cron.Policy)
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}
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if err != nil {
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return err
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}
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if t == nil {
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return gerror.New("启动任务失败")
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}
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}
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gcron.Start(sn)
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// 执行完毕,单次和多次执行的任务更新状态
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if cron.Policy == consts.CronPolicyOnce || cron.Policy == consts.CronPolicyTimes {
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if _, err = dao.SysCron.Ctx(gctx.GetInitCtx()).Where("id", cron.Id).Data(g.Map{"status": consts.StatusDisable, "updated_at": gtime.Now()}).Update(); err != nil {
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err = gerror.Wrap(err, "定时任务执行失败!")
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return err
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}
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}
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}
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Logger().Debug(gctx.GetInitCtx(), "load cron success..")
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return nil
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}
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// RefreshStatus 刷新状态
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func RefreshStatus(sysCron *entity.SysCron) (err error) {
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if sysCron == nil {
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return
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}
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if sysCron.Status == consts.StatusEnabled {
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return ResetStart(sysCron)
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}
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return Stop(sysCron)
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}
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// Stop 停止单个任务
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func Stop(sysCron *entity.SysCron) (err error) {
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cr := gcron.Search(GenCronSn(sysCron))
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if cr == nil {
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return
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}
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cr.Stop()
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return
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}
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// ResetStart 重置任务
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func ResetStart(sysCron *entity.SysCron) (err error) {
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if err = Stop(sysCron); err != nil {
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return
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}
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if err = Delete(sysCron); err != nil {
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return
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}
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return Start(sysCron)
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}
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// Once 立即执行一次某个任务
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func Once(ctx context.Context, sysCron *entity.SysCron) error {
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crons.RLock()
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defer crons.RUnlock()
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for _, v := range crons.tasks {
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if v.Name == sysCron.Name {
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simple.SafeGo(ctx, func(ctx context.Context) {
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v.Fun(GenCronCtx(sysCron))
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})
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return nil
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}
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}
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return gerror.Newf("定时任务不存在:%+v", sysCron.Name)
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}
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// Delete 删除任务
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func Delete(sysCron *entity.SysCron) (err error) {
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if sysCron == nil {
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return
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}
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for _, v := range gcron.Entries() {
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if v.Name == GenCronSn(sysCron) {
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gcron.Remove(v.Name)
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}
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}
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return
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}
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// Start 启动单个任务
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func Start(sysCron *entity.SysCron) (err error) {
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if sysCron == nil {
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return
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}
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c := gcron.Search(GenCronSn(sysCron))
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if c != nil {
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c.Start()
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return
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}
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return StartALL([]*entity.SysCron{sysCron})
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}
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// DispatchLog 查看指定任务的调度日志
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func DispatchLog(sysCron *entity.SysCron) (log *Log, err error) {
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path := fmt.Sprintf("%v/%v", Logger().GetConfig().Path, GenCronSn(sysCron))
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file, err := FindLastModifiedFile(path)
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if err != nil {
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return nil, err
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}
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if len(file) == 0 || !gfile.IsFile(file) {
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err = gerror.New("未找到日志!")
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return
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}
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log = new(Log)
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log.FileName = file
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log.SizeFormat = gfile.SizeFormat(file)
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if gfile.Size(file) > 1024*50 {
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log.Contents, err = ReadLastLines(file, 100)
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if err != nil {
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return nil, err
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}
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} else {
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log.Contents = gfile.GetContents(file)
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}
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return
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}
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func ReadLastLines(filename string, lineCount int) (string, error) {
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file, err := os.Open(filename)
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if err != nil {
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return "", err
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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lines := make([]string, 0, lineCount)
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for scanner.Scan() {
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lines = append(lines, scanner.Text())
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if len(lines) > lineCount {
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lines = lines[1:]
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}
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}
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if err = scanner.Err(); err != nil {
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return "", err
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}
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result := strings.Join(lines, "\n")
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return result, nil
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}
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func FindLastModifiedFile(dirPath string) (string, error) {
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if !gfile.Exists(dirPath) {
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return "", gerror.New("该任务暂未产生日志!")
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}
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files, err := gfile.ScanDir(dirPath, "*.log", true)
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if err != nil {
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return "", err
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}
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var lastModifiedFile string
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var lastModifiedTime int64 = 0
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for _, file := range files {
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modTime := gfile.MTimestamp(file)
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if modTime > lastModifiedTime {
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lastModifiedTime = modTime
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lastModifiedFile = file
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}
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}
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return lastModifiedFile, nil
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}
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