使用空struct{}代替bool节约内存

internal/utils/expires/list.go

@@ -1,13 +1,14 @@
 package expires
 
 import (
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
 	"sync"
 )
 
-type ItemMap = map[int64]bool
+type ItemMap = map[int64]zero.Zero
 
 type List struct {
-	expireMap map[int64]ItemMap // expires timestamp => map[id]bool
+	expireMap map[int64]ItemMap // expires timestamp => map[id]ItemMap
 	itemsMap  map[int64]int64   // itemId => timestamp
 
 	locker sync.Mutex
@@ -38,10 +39,10 @@ func (this *List) Add(itemId int64, expiresAt int64) {
 
 	expireItemMap, ok := this.expireMap[expiresAt]
 	if ok {
-		expireItemMap[itemId] = true
+		expireItemMap[itemId] = zero.New()
 	} else {
 		expireItemMap = ItemMap{
-			itemId: true,
+			itemId: zero.New(),
 		}
 		this.expireMap[expiresAt] = expireItemMap
 	}

internal/utils/expires/manager.go

@@ -4,6 +4,7 @@ package expires
 
 import (
 	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
 	"sync"
 	"time"
 )
@@ -11,14 +12,14 @@ import (
 var SharedManager = NewManager()
 
 type Manager struct {
-	listMap map[*List]bool
+	listMap map[*List]zero.Zero
 	locker  sync.Mutex
 	ticker  *time.Ticker
 }
 
 func NewManager() *Manager {
 	var manager = &Manager{
-		listMap: map[*List]bool{},
+		listMap: map[*List]zero.Zero{},
 		ticker:  time.NewTicker(1 * time.Second),
 	}
 	goman.New(func() {
@@ -60,7 +61,7 @@ func (this *Manager) init() {
 
 func (this *Manager) Add(list *List) {
 	this.locker.Lock()
-	this.listMap[list] = true
+	this.listMap[list] = zero.New()
 	this.locker.Unlock()
 }
 

internal/utils/ticker.go

@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
 	"sync"
 	"time"
 )
@@ -8,7 +9,7 @@ import (
 // Ticker 类似于time.Ticker，但能够真正地停止
 type Ticker struct {
 	raw  *time.Ticker
-	done chan bool
+	done chan zero.Zero
 	once sync.Once
 
 	C <-chan time.Time
@@ -20,7 +21,7 @@ func NewTicker(duration time.Duration) *Ticker {
 	return &Ticker{
 		raw:  raw,
 		C:    raw.C,
-		done: make(chan bool, 1),
+		done: make(chan zero.Zero, 1),
 	}
 }
 
@@ -38,6 +39,6 @@ func (this *Ticker) Next() bool {
 func (this *Ticker) Stop() {
 	this.once.Do(func() {
 		this.raw.Stop()
-		this.done <- true
+		this.done <- zero.New()
 	})
 }