优化ttlcache

This commit is contained in:
GoEdgeLab
2022-04-09 18:28:22 +08:00
parent f8d14d879f
commit bad1e42ff6
10 changed files with 259 additions and 90 deletions

View File

@@ -13,7 +13,7 @@ const (
// IPItem IP条目 // IPItem IP条目
type IPItem struct { type IPItem struct {
Type string `json:"type"` Type string `json:"type"`
Id int64 `json:"id"` Id uint64 `json:"id"`
IPFrom uint64 `json:"ipFrom"` IPFrom uint64 `json:"ipFrom"`
IPTo uint64 `json:"ipTo"` IPTo uint64 `json:"ipTo"`
ExpiredAt int64 `json:"expiredAt"` ExpiredAt int64 `json:"expiredAt"`

View File

@@ -13,9 +13,9 @@ var GlobalWhiteIPList = NewIPList()
// IPList IP名单 // IPList IP名单
// TODO IP名单可以分片关闭这样让每一片的数据量减少查询更快 // TODO IP名单可以分片关闭这样让每一片的数据量减少查询更快
type IPList struct { type IPList struct {
itemsMap map[int64]*IPItem // id => item itemsMap map[uint64]*IPItem // id => item
sortedItems []*IPItem sortedItems []*IPItem
allItemsMap map[int64]*IPItem // id => item allItemsMap map[uint64]*IPItem // id => item
expireList *expires.List expireList *expires.List
@@ -24,12 +24,12 @@ type IPList struct {
func NewIPList() *IPList { func NewIPList() *IPList {
list := &IPList{ list := &IPList{
itemsMap: map[int64]*IPItem{}, itemsMap: map[uint64]*IPItem{},
allItemsMap: map[int64]*IPItem{}, allItemsMap: map[uint64]*IPItem{},
} }
expireList := expires.NewList() expireList := expires.NewList()
expireList.OnGC(func(itemId int64) { expireList.OnGC(func(itemId uint64) {
list.Delete(itemId) list.Delete(itemId)
}) })
list.expireList = expireList list.expireList = expireList
@@ -51,7 +51,7 @@ func (this *IPList) Sort() {
this.locker.Unlock() this.locker.Unlock()
} }
func (this *IPList) Delete(itemId int64) { func (this *IPList) Delete(itemId uint64) {
this.locker.Lock() this.locker.Lock()
this.deleteItem(itemId) this.deleteItem(itemId)
this.locker.Unlock() this.locker.Unlock()
@@ -198,7 +198,7 @@ func (this *IPList) lookupIP(ip uint64) *IPItem {
// 在不加锁的情况下删除某个Item // 在不加锁的情况下删除某个Item
// 将会被别的方法引用,切记不能加锁 // 将会被别的方法引用,切记不能加锁
func (this *IPList) deleteItem(itemId int64) { func (this *IPList) deleteItem(itemId uint64) {
_, ok := this.itemsMap[itemId] _, ok := this.itemsMap[itemId]
if !ok { if !ok {
return return

View File

@@ -213,7 +213,7 @@ func (this *IPListManager) processItems(items []*pb.IPItem, fromRemote bool) {
changedLists[list] = zero.New() changedLists[list] = zero.New()
if item.IsDeleted { if item.IsDeleted {
list.Delete(item.Id) list.Delete(uint64(item.Id))
// 从WAF名单中删除 // 从WAF名单中删除
waf.SharedIPBlackList.RemoveIP(item.IpFrom, item.ServerId, fromRemote) waf.SharedIPBlackList.RemoveIP(item.IpFrom, item.ServerId, fromRemote)
@@ -227,7 +227,7 @@ func (this *IPListManager) processItems(items []*pb.IPItem, fromRemote bool) {
} }
list.AddDelay(&IPItem{ list.AddDelay(&IPItem{
Id: item.Id, Id: uint64(item.Id),
Type: item.Type, Type: item.Type,
IPFrom: utils.IP2Long(item.IpFrom), IPFrom: utils.IP2Long(item.IpFrom),
IPTo: utils.IP2Long(item.IpTo), IPTo: utils.IP2Long(item.IpTo),

View File

@@ -24,7 +24,7 @@ type Cache struct {
} }
func NewCache(opt ...OptionInterface) *Cache { func NewCache(opt ...OptionInterface) *Cache {
var countPieces = 128 var countPieces = 256
var maxItems = 2_000_000 var maxItems = 2_000_000
var totalMemory = utils.SystemMemoryGB() var totalMemory = utils.SystemMemoryGB()

View File

@@ -1,16 +1,20 @@
package ttlcache package ttlcache
import ( import (
"github.com/TeaOSLab/EdgeNode/internal/utils"
"github.com/TeaOSLab/EdgeNode/internal/utils/testutils" "github.com/TeaOSLab/EdgeNode/internal/utils/testutils"
"github.com/iwind/TeaGo/assert"
"github.com/iwind/TeaGo/rands" "github.com/iwind/TeaGo/rands"
"github.com/iwind/TeaGo/types"
"runtime" "runtime"
"strconv" "strconv"
"sync/atomic"
"testing" "testing"
"time" "time"
) )
func TestNewCache(t *testing.T) { func TestNewCache(t *testing.T) {
cache := NewCache() var cache = NewCache()
cache.Write("a", 1, time.Now().Unix()+3600) cache.Write("a", 1, time.Now().Unix()+3600)
cache.Write("b", 2, time.Now().Unix()+3601) cache.Write("b", 2, time.Now().Unix()+3601)
cache.Write("a", 1, time.Now().Unix()+3602) cache.Write("a", 1, time.Now().Unix()+3602)
@@ -23,10 +27,10 @@ func TestNewCache(t *testing.T) {
} }
} }
} }
t.Log(cache.Read("a")) t.Log("a:", cache.Read("a"))
time.Sleep(2 * time.Second) time.Sleep(2 * time.Second)
t.Log(cache.Read("d")) t.Log("d:", cache.Read("d")) // should be nil
t.Log(cache.Count(), "items") t.Log("left:", cache.Count(), "items")
} }
func TestCache_Memory(t *testing.T) { func TestCache_Memory(t *testing.T) {
@@ -40,7 +44,7 @@ func TestCache_Memory(t *testing.T) {
t.Log(cache.Count()) t.Log(cache.Count())
time.Sleep(1 * time.Second) time.Sleep(10 * time.Second)
for i := 0; i < count; i++ { for i := 0; i < count; i++ {
if i%2 == 0 { if i%2 == 0 {
cache.Delete("a" + strconv.Itoa(i)) cache.Delete("a" + strconv.Itoa(i))
@@ -50,27 +54,29 @@ func TestCache_Memory(t *testing.T) {
t.Log(cache.Count()) t.Log(cache.Count())
cache.Count() cache.Count()
}
func BenchmarkCache_Add(b *testing.B) { time.Sleep(10 * time.Second)
runtime.GOMAXPROCS(1)
cache := NewCache()
for i := 0; i < b.N; i++ {
cache.Write(strconv.Itoa(i), i, time.Now().Unix()+int64(i%1024))
}
} }
func TestCache_IncreaseInt64(t *testing.T) { func TestCache_IncreaseInt64(t *testing.T) {
var a = assert.NewAssertion(t)
var cache = NewCache() var cache = NewCache()
var unixTime = time.Now().Unix()
{ {
cache.IncreaseInt64("a", 1, time.Now().Unix()+3600) cache.IncreaseInt64("a", 1, unixTime+3600)
t.Log(cache.Read("a")) var item = cache.Read("a")
t.Log(item)
a.IsTrue(item.Value == int64(1))
a.IsTrue(item.expiredAt == unixTime+3600)
} }
{ {
cache.IncreaseInt64("a", 1, time.Now().Unix()+3600+1) cache.IncreaseInt64("a", 1, unixTime+3600+1)
t.Log(cache.Read("a")) var item = cache.Read("a")
t.Log(item)
a.IsTrue(item.Value == int64(2))
a.IsTrue(item.expiredAt == unixTime+3600+1)
} }
{ {
cache.Write("b", 1, time.Now().Unix()+3600+2) cache.Write("b", 1, time.Now().Unix()+3600+2)
@@ -124,11 +130,16 @@ func TestCache_GC(t *testing.T) {
for i := 0; i < 20; i++ { for i := 0; i < 20; i++ {
cache.GC() cache.GC()
t.Log("items:", cache.Count()) t.Log("items:", cache.Count())
if cache.Count() == 0 {
break
}
time.Sleep(1 * time.Second) time.Sleep(1 * time.Second)
} }
t.Log("now:", time.Now().Unix()) t.Log("now:", time.Now().Unix())
for _, p := range cache.pieces { for _, p := range cache.pieces {
t.Log("expire list:", p.expiresList.Count(), p.expiresList)
for k, v := range p.m { for k, v := range p.m {
t.Log(k, v.Value, v.expiredAt) t.Log(k, v.Value, v.expiredAt)
} }
@@ -171,3 +182,58 @@ func BenchmarkNewCache(b *testing.B) {
} }
}) })
} }
func BenchmarkCache_Add(b *testing.B) {
runtime.GOMAXPROCS(1)
var cache = NewCache()
for i := 0; i < b.N; i++ {
cache.Write(strconv.Itoa(i), i, utils.UnixTime()+int64(i%1024))
}
}
func BenchmarkCache_Add_Parallel(b *testing.B) {
runtime.GOMAXPROCS(1)
var cache = NewCache()
var i int64
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
var j = atomic.AddInt64(&i, 1)
cache.Write(types.String(j), j, utils.UnixTime()+i%1024)
}
})
}
func BenchmarkNewCacheGC(b *testing.B) {
runtime.GOMAXPROCS(1)
var cache = NewCache(NewPiecesOption(1024))
for i := 0; i < 3_000_000; i++ {
cache.Write(strconv.Itoa(i), i, time.Now().Unix()+int64(rands.Int(0, 100)))
}
//b.Log(cache.pieces[0].Count())
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
cache.GC()
}
})
}
func BenchmarkNewCacheClean(b *testing.B) {
runtime.GOMAXPROCS(1)
var cache = NewCache(NewPiecesOption(128))
for i := 0; i < 3_000_000; i++ {
cache.Write(strconv.Itoa(i), i, time.Now().Unix()+int64(rands.Int(10, 100)))
}
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
cache.Clean()
}
})
}

View File

@@ -2,6 +2,7 @@ package ttlcache
import ( import (
"github.com/TeaOSLab/EdgeNode/internal/utils" "github.com/TeaOSLab/EdgeNode/internal/utils"
"github.com/TeaOSLab/EdgeNode/internal/utils/expires"
"github.com/iwind/TeaGo/types" "github.com/iwind/TeaGo/types"
"sync" "sync"
"time" "time"
@@ -9,29 +10,32 @@ import (
type Piece struct { type Piece struct {
m map[uint64]*Item m map[uint64]*Item
expiresList *expires.List
maxItems int maxItems int
lastGCTime int64
locker sync.RWMutex locker sync.RWMutex
} }
func NewPiece(maxItems int) *Piece { func NewPiece(maxItems int) *Piece {
return &Piece{m: map[uint64]*Item{}, maxItems: maxItems} return &Piece{
m: map[uint64]*Item{},
expiresList: expires.NewSingletonList(),
maxItems: maxItems,
}
} }
func (this *Piece) Add(key uint64, item *Item) (ok bool) { func (this *Piece) Add(key uint64, item *Item) (ok bool) {
this.locker.Lock() this.locker.Lock()
if len(this.m) >= this.maxItems {
// 尝试先删除过期的
this.gcWithoutLocker()
// 仍然是满的就跳过
if len(this.m) >= this.maxItems { if len(this.m) >= this.maxItems {
this.locker.Unlock() this.locker.Unlock()
return return
} }
}
this.m[key] = item this.m[key] = item
this.locker.Unlock() this.locker.Unlock()
this.expiresList.Add(key, item.expiredAt)
return true return true
} }
@@ -42,6 +46,7 @@ func (this *Piece) IncreaseInt64(key uint64, delta int64, expiredAt int64) (resu
result = types.Int64(item.Value) + delta result = types.Int64(item.Value) + delta
item.Value = result item.Value = result
item.expiredAt = expiredAt item.expiredAt = expiredAt
this.expiresList.Add(key, expiredAt)
} else { } else {
if len(this.m) < this.maxItems { if len(this.m) < this.maxItems {
result = delta result = delta
@@ -49,13 +54,17 @@ func (this *Piece) IncreaseInt64(key uint64, delta int64, expiredAt int64) (resu
Value: delta, Value: delta,
expiredAt: expiredAt, expiredAt: expiredAt,
} }
this.expiresList.Add(key, expiredAt)
} }
} }
this.locker.Unlock() this.locker.Unlock()
return return
} }
func (this *Piece) Delete(key uint64) { func (this *Piece) Delete(key uint64) {
this.expiresList.Remove(key)
this.locker.Lock() this.locker.Lock()
delete(this.m, key) delete(this.m, key)
this.locker.Unlock() this.locker.Unlock()
@@ -80,29 +89,48 @@ func (this *Piece) Count() (count int) {
} }
func (this *Piece) GC() { func (this *Piece) GC() {
this.locker.Lock() var currentTime = time.Now().Unix()
this.gcWithoutLocker() if this.lastGCTime == 0 {
this.locker.Unlock() this.lastGCTime = currentTime - 3600
}
var min = this.lastGCTime
var max = currentTime
if min > max {
// 过去的时间比现在大,则从这一秒重新开始
min = max
}
for i := min; i <= max; i++ {
var itemMap = this.expiresList.GC(i)
if len(itemMap) > 0 {
this.gcItemMap(itemMap)
}
}
this.lastGCTime = currentTime
} }
func (this *Piece) Clean() { func (this *Piece) Clean() {
this.locker.Lock() this.locker.Lock()
this.m = map[uint64]*Item{} this.m = map[uint64]*Item{}
this.locker.Unlock() this.locker.Unlock()
this.expiresList.Clean()
} }
func (this *Piece) Destroy() { func (this *Piece) Destroy() {
this.locker.Lock() this.locker.Lock()
this.m = nil this.m = nil
this.locker.Unlock() this.locker.Unlock()
this.expiresList.Clean()
} }
// 不加锁的gc func (this *Piece) gcItemMap(itemMap expires.ItemMap) {
func (this *Piece) gcWithoutLocker() { this.locker.Lock()
timestamp := time.Now().Unix() for key := range itemMap {
for k, item := range this.m { delete(this.m, key)
if item.expiredAt <= timestamp {
delete(this.m, k)
}
} }
this.locker.Unlock()
} }

View File

@@ -5,21 +5,24 @@ import (
"sync" "sync"
) )
type ItemMap = map[int64]zero.Zero type ItemMap = map[uint64]zero.Zero
type List struct { type List struct {
expireMap map[int64]ItemMap // expires timestamp => map[id]ItemMap expireMap map[int64]ItemMap // expires timestamp => map[id]ItemMap
itemsMap map[int64]int64 // itemId => timestamp itemsMap map[uint64]int64 // itemId => timestamp
locker sync.Mutex locker sync.Mutex
gcCallback func(itemId int64) gcCallback func(itemId uint64)
gcBatchCallback func(itemIds ItemMap)
lastTimestamp int64
} }
func NewList() *List { func NewList() *List {
var list = &List{ var list = &List{
expireMap: map[int64]ItemMap{}, expireMap: map[int64]ItemMap{},
itemsMap: map[int64]int64{}, itemsMap: map[uint64]int64{},
} }
SharedManager.Add(list) SharedManager.Add(list)
@@ -27,12 +30,25 @@ func NewList() *List {
return list return list
} }
func NewSingletonList() *List {
var list = &List{
expireMap: map[int64]ItemMap{},
itemsMap: map[uint64]int64{},
}
return list
}
// Add 添加条目 // Add 添加条目
// 如果条目已经存在,则覆盖 // 如果条目已经存在,则覆盖
func (this *List) Add(itemId int64, expiresAt int64) { func (this *List) Add(itemId uint64, expiresAt int64) {
this.locker.Lock() this.locker.Lock()
defer this.locker.Unlock() defer this.locker.Unlock()
if this.lastTimestamp == 0 || this.lastTimestamp > expiresAt {
this.lastTimestamp = expiresAt
}
// 是否已经存在 // 是否已经存在
oldExpiresAt, ok := this.itemsMap[itemId] oldExpiresAt, ok := this.itemsMap[itemId]
if ok { if ok {
@@ -55,34 +71,61 @@ func (this *List) Add(itemId int64, expiresAt int64) {
this.itemsMap[itemId] = expiresAt this.itemsMap[itemId] = expiresAt
} }
func (this *List) Remove(itemId int64) { func (this *List) Remove(itemId uint64) {
this.locker.Lock() this.locker.Lock()
defer this.locker.Unlock() defer this.locker.Unlock()
this.removeItem(itemId) this.removeItem(itemId)
} }
func (this *List) GC(timestamp int64, callback func(itemId int64)) { func (this *List) GC(timestamp int64) ItemMap {
if this.lastTimestamp > timestamp+1 {
return nil
}
this.locker.Lock() this.locker.Lock()
var itemMap = this.gcItems(timestamp) var itemMap = this.gcItems(timestamp)
if len(itemMap) == 0 { if len(itemMap) == 0 {
this.locker.Unlock() this.locker.Unlock()
return return itemMap
} }
this.locker.Unlock() this.locker.Unlock()
if callback != nil { if this.gcCallback != nil {
for itemId := range itemMap { for itemId := range itemMap {
callback(itemId) this.gcCallback(itemId)
} }
} }
if this.gcBatchCallback != nil {
this.gcBatchCallback(itemMap)
}
return itemMap
} }
func (this *List) OnGC(callback func(itemId int64)) *List { func (this *List) Clean() {
this.locker.Lock()
this.itemsMap = map[uint64]int64{}
this.expireMap = map[int64]ItemMap{}
this.locker.Unlock()
}
func (this *List) Count() int {
this.locker.Lock()
var count = len(this.itemsMap)
this.locker.Unlock()
return count
}
func (this *List) OnGC(callback func(itemId uint64)) *List {
this.gcCallback = callback this.gcCallback = callback
return this return this
} }
func (this *List) removeItem(itemId int64) { func (this *List) OnGCBatch(callback func(itemMap ItemMap)) *List {
this.gcBatchCallback = callback
return this
}
func (this *List) removeItem(itemId uint64) {
expiresAt, ok := this.itemsMap[itemId] expiresAt, ok := this.itemsMap[itemId]
if !ok { if !ok {
return return

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@@ -1,6 +1,7 @@
package expires package expires
import ( import (
"github.com/TeaOSLab/EdgeNode/internal/utils"
"github.com/iwind/TeaGo/assert" "github.com/iwind/TeaGo/assert"
"github.com/iwind/TeaGo/logs" "github.com/iwind/TeaGo/logs"
timeutil "github.com/iwind/TeaGo/utils/time" timeutil "github.com/iwind/TeaGo/utils/time"
@@ -50,13 +51,34 @@ func TestList_Remove(t *testing.T) {
} }
func TestList_GC(t *testing.T) { func TestList_GC(t *testing.T) {
var unixTime = time.Now().Unix()
t.Log("unixTime:", unixTime)
var list = NewList()
list.Add(1, unixTime+1)
list.Add(2, unixTime+1)
list.Add(3, unixTime+2)
list.OnGC(func(itemId uint64) {
t.Log("gc:", itemId)
})
t.Log("last unixTime:", list.lastTimestamp)
list.GC(time.Now().Unix() + 2)
logs.PrintAsJSON(list.expireMap, t)
logs.PrintAsJSON(list.itemsMap, t)
t.Log(list.Count())
}
func TestList_GC_Batch(t *testing.T) {
list := NewList() list := NewList()
list.Add(1, time.Now().Unix()+1) list.Add(1, time.Now().Unix()+1)
list.Add(2, time.Now().Unix()+1) list.Add(2, time.Now().Unix()+1)
list.Add(3, time.Now().Unix()+2) list.Add(3, time.Now().Unix()+2)
list.GC(time.Now().Unix()+2, func(itemId int64) { list.Add(4, time.Now().Unix()+2)
t.Log("gc:", itemId) list.OnGCBatch(func(itemMap ItemMap) {
t.Log("gc:", itemMap)
}) })
list.GC(time.Now().Unix() + 2)
logs.PrintAsJSON(list.expireMap, t) logs.PrintAsJSON(list.expireMap, t)
logs.PrintAsJSON(list.itemsMap, t) logs.PrintAsJSON(list.itemsMap, t)
} }
@@ -72,7 +94,7 @@ func TestList_Start_GC(t *testing.T) {
list.Add(7, time.Now().Unix()+6) list.Add(7, time.Now().Unix()+6)
list.Add(8, time.Now().Unix()+6) list.Add(8, time.Now().Unix()+6)
list.OnGC(func(itemId int64) { list.OnGC(func(itemId uint64) {
t.Log("gc:", itemId, timeutil.Format("H:i:s")) t.Log("gc:", itemId, timeutil.Format("H:i:s"))
time.Sleep(2 * time.Second) time.Sleep(2 * time.Second)
}) })
@@ -87,17 +109,18 @@ func TestList_Start_GC(t *testing.T) {
func TestList_ManyItems(t *testing.T) { func TestList_ManyItems(t *testing.T) {
list := NewList() list := NewList()
for i := 0; i < 1_000; i++ { for i := 0; i < 1_000; i++ {
list.Add(int64(i), time.Now().Unix()) list.Add(uint64(i), time.Now().Unix())
} }
for i := 0; i < 1_000; i++ { for i := 0; i < 1_000; i++ {
list.Add(int64(i), time.Now().Unix()+1) list.Add(uint64(i), time.Now().Unix()+1)
} }
now := time.Now() now := time.Now()
count := 0 count := 0
list.GC(time.Now().Unix()+1, func(itemId int64) { list.OnGC(func(itemId uint64) {
count++ count++
}) })
list.GC(time.Now().Unix() + 1)
t.Log("gc", count, "items") t.Log("gc", count, "items")
t.Log(time.Now().Sub(now)) t.Log(time.Now().Sub(now))
} }
@@ -171,15 +194,23 @@ func BenchmarkList_GC(b *testing.B) {
var lists = []*List{} var lists = []*List{}
for i := 0; i < 100; i++ { for m := 0; m < 1_000; m++ {
lists = append(lists, NewList()) var list = NewList()
for j := 0; j < 10_000; j++ {
list.Add(uint64(j), utils.UnixTime()+100)
} }
lists = append(lists, list)
}
b.ResetTimer()
var timestamp = time.Now().Unix() var timestamp = time.Now().Unix()
for i := 0; i < b.N; i++ { b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
for _, list := range lists { for _, list := range lists {
list.GC(timestamp, nil) list.GC(timestamp)
} }
} }
})
} }

View File

@@ -31,31 +31,32 @@ func NewManager() *Manager {
func (this *Manager) init() { func (this *Manager) init() {
var lastTimestamp = int64(0) var lastTimestamp = int64(0)
for range this.ticker.C { for range this.ticker.C {
timestamp := time.Now().Unix() var currentTime = time.Now().Unix()
if lastTimestamp == 0 { if lastTimestamp == 0 {
lastTimestamp = timestamp - 3600 lastTimestamp = currentTime - 3600
} }
if timestamp >= lastTimestamp { if currentTime >= lastTimestamp {
for i := lastTimestamp; i <= timestamp; i++ { for i := lastTimestamp; i <= currentTime; i++ {
this.locker.Lock() this.locker.Lock()
for list := range this.listMap { for list := range this.listMap {
list.GC(i, list.gcCallback) list.GC(i)
} }
this.locker.Unlock() this.locker.Unlock()
} }
} else { } else {
for i := timestamp; i <= lastTimestamp; i++ { // 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() this.locker.Lock()
for list := range this.listMap { for list := range this.listMap {
list.GC(i, list.gcCallback) list.GC(i)
} }
this.locker.Unlock() this.locker.Unlock()
} }
} }
// 这样做是为了防止系统时钟突变 // 这样做是为了防止系统时钟突变
lastTimestamp = timestamp lastTimestamp = currentTime
} }
} }

View File

@@ -27,26 +27,26 @@ const IPTypeAll = "*"
// IPList IP列表管理 // IPList IP列表管理
type IPList struct { type IPList struct {
expireList *expires.List expireList *expires.List
ipMap map[string]int64 // ip => id ipMap map[string]uint64 // ip => id
idMap map[int64]string // id => ip idMap map[uint64]string // id => ip
listType IPListType listType IPListType
id int64 id uint64
locker sync.RWMutex locker sync.RWMutex
} }
// NewIPList 获取新对象 // NewIPList 获取新对象
func NewIPList(listType IPListType) *IPList { func NewIPList(listType IPListType) *IPList {
var list = &IPList{ var list = &IPList{
ipMap: map[string]int64{}, ipMap: map[string]uint64{},
idMap: map[int64]string{}, idMap: map[uint64]string{},
listType: listType, listType: listType,
} }
e := expires.NewList() e := expires.NewList()
list.expireList = e list.expireList = e
e.OnGC(func(itemId int64) { e.OnGC(func(itemId uint64) {
list.remove(itemId) list.remove(itemId)
}) })
@@ -150,7 +150,7 @@ func (this *IPList) RemoveIP(ip string, serverId int64, shouldExecute bool) {
} }
} }
func (this *IPList) remove(id int64) { func (this *IPList) remove(id uint64) {
this.locker.Lock() this.locker.Lock()
ip, ok := this.idMap[id] ip, ok := this.idMap[id]
if ok { if ok {
@@ -163,6 +163,6 @@ func (this *IPList) remove(id int64) {
this.locker.Unlock() this.locker.Unlock()
} }
func (this *IPList) nextId() int64 { func (this *IPList) nextId() uint64 {
return atomic.AddInt64(&this.id, 1) return atomic.AddUint64(&this.id, 1)
} }