节点所属集群删除后，不再接收API请求

internal/utils/expires/manager.go

@@ -0,0 +1,73 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package expires
+
+import (
+	"github.com/TeaOSLab/EdgeAPI/internal/goman"
+	"github.com/TeaOSLab/EdgeAPI/internal/zero"
+	"sync"
+	"time"
+)
+
+var SharedManager = NewManager()
+
+type Manager struct {
+	listMap map[*List]zero.Zero
+	locker  sync.Mutex
+	ticker  *time.Ticker
+}
+
+func NewManager() *Manager {
+	var manager = &Manager{
+		listMap: map[*List]zero.Zero{},
+		ticker:  time.NewTicker(1 * time.Second),
+	}
+	goman.New(func() {
+		manager.init()
+	})
+	return manager
+}
+
+func (this *Manager) init() {
+	var lastTimestamp = int64(0)
+	for range this.ticker.C {
+		var currentTime = time.Now().Unix()
+		if lastTimestamp == 0 {
+			lastTimestamp = currentTime - 3600
+		}
+
+		if currentTime >= lastTimestamp {
+			for i := lastTimestamp; i <= currentTime; i++ {
+				this.locker.Lock()
+				for list := range this.listMap {
+					list.GC(i)
+				}
+				this.locker.Unlock()
+			}
+		} else {
+			// 如果过去的时间比现在大，则从这一秒重新开始
+			for i := currentTime; i <= currentTime; i++ {
+				this.locker.Lock()
+				for list := range this.listMap {
+					list.GC(i)
+				}
+				this.locker.Unlock()
+			}
+		}
+
+		// 这样做是为了防止系统时钟突变
+		lastTimestamp = currentTime
+	}
+}
+
+func (this *Manager) Add(list *List) {
+	this.locker.Lock()
+	this.listMap[list] = zero.New()
+	this.locker.Unlock()
+}
+
+func (this *Manager) Remove(list *List) {
+	this.locker.Lock()
+	delete(this.listMap, list)
+	this.locker.Unlock()
+}