gf/g/os/gtimer/gtimer_loop.go
2019-06-19 11:11:00 +08:00

79 lines
1.7 KiB
Go

// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package gtimer
import (
"github.com/gogf/gf/g/container/glist"
"time"
)
// 开始循环
func (w *wheel) start() {
go func() {
ticker := time.NewTicker(time.Duration(w.intervalMs) * time.Millisecond)
for {
select {
case <-ticker.C:
switch w.timer.status.Val() {
case STATUS_RUNNING:
w.proceed()
case STATUS_STOPPED:
case STATUS_CLOSED:
ticker.Stop()
return
}
}
}
}()
}
// 执行时间轮刻度逻辑
func (w *wheel) proceed() {
n := w.ticks.Add(1)
l := w.slots[int(n%w.number)]
length := l.Len()
if length > 0 {
go func(l *glist.List, nowTicks int64) {
entry := (*Entry)(nil)
nowMs := time.Now().UnixNano() / 1e6
for i := length; i > 0; i-- {
if v := l.PopFront(); v == nil {
break
} else {
entry = v.(*Entry)
}
// 是否满足运行条件
runnable, addable := entry.check(nowTicks, nowMs)
if runnable {
// 异步执行运行
go func(entry *Entry) {
defer func() {
if err := recover(); err != nil {
if err != gPANIC_EXIT {
panic(err)
} else {
entry.Close()
}
}
if entry.Status() == STATUS_RUNNING {
entry.SetStatus(STATUS_READY)
}
}()
entry.job()
}(entry)
}
// 是否继续添运行, 滚动任务
if addable {
entry.wheel.timer.doAddEntryByParent(entry.rawIntervalMs, entry)
}
}
}(l, n)
}
}