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支持使用域名中含有通配符清除缓存数据

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This commit is contained in:
GoEdgeLab
2022-11-26 11:05:46 +08:00
parent f72b49c0cc
commit 1ca29dc13e
12 changed files with 420 additions and 7 deletions
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1
internal/caches/consts.go
View File

@@ -3,6 +3,7 @@
package caches
const (
SuffixAll = "@GOEDGE_" // 通用后缀
SuffixWebP = "@GOEDGE_WEBP" // WebP后缀
SuffixCompression = "@GOEDGE_" // 压缩后缀 SuffixCompression + Encoding
SuffixMethod = "@GOEDGE_" // 请求方法后缀 SuffixMethod + RequestMethod

15
internal/caches/item.go
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@@ -2,6 +2,7 @@ package caches
import (
"github.com/TeaOSLab/EdgeNode/internal/utils"
"strings"
"time"
)
@@ -59,3 +60,17 @@ func (this *Item) IncreaseHit(week int32) {
this.Week = week
}
}
func (this *Item) RequestURI() string {
var schemeIndex = strings.Index(this.Key, "://")
if schemeIndex <= 0 {
return ""
}
var firstSlashIndex = strings.Index(this.Key[schemeIndex+3:], "/")
if firstSlashIndex <= 0 {
return ""
}
return this.Key[schemeIndex+3+firstSlashIndex:]
}

11
internal/caches/item_test.go
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@@ -81,3 +81,14 @@ func TestItems_Memory2(t *testing.T) {
t.Log(w, len(i))
}
}
func TestItem_RequestURI(t *testing.T) {
for _, u := range []string{
"https://goedge.cn/hello/world",
"https://goedge.cn:8080/hello/world",
"https://goedge.cn/hello/world?v=1&t=123",
} {
var item = &Item{Key: u}
t.Log(u, "=>", item.RequestURI())
}
}

41
internal/caches/list_file.go
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@@ -160,6 +160,7 @@ func (this *FileList) CleanPrefix(prefix string) error {
}
defer func() {
// TODO 需要优化
this.memoryCache.Clean()
}()
@@ -172,6 +173,46 @@ func (this *FileList) CleanPrefix(prefix string) error {
return nil
}
// CleanMatchKey 清理通配符匹配的缓存数据，类似于 https://*.example.com/hello
func (this *FileList) CleanMatchKey(key string) error {
if len(key) == 0 {
return nil
}
defer func() {
// TODO 需要优化
this.memoryCache.Clean()
}()
for _, db := range this.dbList {
err := db.CleanMatchKey(key)
if err != nil {
return err
}
}
return nil
}
// CleanMatchPrefix 清理通配符匹配的缓存数据，类似于 https://*.example.com/prefix/
func (this *FileList) CleanMatchPrefix(prefix string) error {
if len(prefix) == 0 {
return nil
}
defer func() {
// TODO 需要优化
this.memoryCache.Clean()
}()
for _, db := range this.dbList {
err := db.CleanMatchPrefix(prefix)
if err != nil {
return err
}
}
return nil
}
func (this *FileList) Remove(hash string) error {
_, err := this.remove(hash)
return err

81
internal/caches/list_file_db.go
View File

@@ -13,6 +13,8 @@ import (
"github.com/iwind/TeaGo/logs"
"github.com/iwind/TeaGo/types"
timeutil "github.com/iwind/TeaGo/utils/time"
"net"
"net/url"
"os"
"path/filepath"
"runtime"
@@ -389,6 +391,85 @@ func (this *FileListDB) CleanPrefix(prefix string) error {
}
}
func (this *FileListDB) CleanMatchKey(key string) error {
if !this.isReady {
return nil
}
// 忽略 @GOEDGE_
if strings.Contains(key, SuffixAll) {
return nil
}
u, err := url.Parse(key)
if err != nil {
return nil
}
var host = u.Host
hostPart, _, err := net.SplitHostPort(host)
if err == nil && len(hostPart) > 0 {
host = hostPart
}
if len(host) == 0 {
return nil
}
// 转义
var queryKey = strings.ReplaceAll(key, "%", "\\%")
queryKey = strings.ReplaceAll(queryKey, "_", "\\_")
queryKey = strings.Replace(queryKey, "*", "%", 1)
// TODO 检查大批量数据下的操作性能
var staleLife = 600 // TODO 需要可以设置
var unixTime = utils.UnixTime() // 只删除当前的，不删除新的
_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+int64(staleLife), host, "*."+host, queryKey)
if err != nil {
return err
}
_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+int64(staleLife), host, "*."+host, queryKey+SuffixAll+"%")
if err != nil {
return err
}
return nil
}
func (this *FileListDB) CleanMatchPrefix(prefix string) error {
if !this.isReady {
return nil
}
u, err := url.Parse(prefix)
if err != nil {
return nil
}
var host = u.Host
hostPart, _, err := net.SplitHostPort(host)
if err == nil && len(hostPart) > 0 {
host = hostPart
}
if len(host) == 0 {
return nil
}
// 转义
var queryPrefix = strings.ReplaceAll(prefix, "%", "\\%")
queryPrefix = strings.ReplaceAll(queryPrefix, "_", "\\_")
queryPrefix = strings.Replace(queryPrefix, "*", "%", 1)
queryPrefix += "%"
// TODO 检查大批量数据下的操作性能
var staleLife = 600 // TODO 需要可以设置
var unixTime = utils.UnixTime() // 只删除当前的，不删除新的
_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+int64(staleLife), host, "*."+host, queryPrefix)
return err
}
func (this *FileListDB) CleanAll() error {
if !this.isReady {
return nil

38
internal/caches/list_file_db_test.go
View File

@@ -47,3 +47,41 @@ func TestFileListDB_IncreaseHitAsync(t *testing.T) {
// wait transaction
time.Sleep(1 * time.Second)
}
func TestFileListDB_CleanMatchKey(t *testing.T) {
var db = caches.NewFileListDB()
err := db.Open(Tea.Root + "/data/cache-db-large.db")
if err != nil {
t.Fatal(err)
}
err = db.Init()
err = db.CleanMatchKey("https://*.goedge.cn/large-text")
if err != nil {
t.Fatal(err)
}
err = db.CleanMatchKey("https://*.goedge.cn:1234/large-text?%2B____")
if err != nil {
t.Fatal(err)
}
}
func TestFileListDB_CleanMatchPrefix(t *testing.T) {
var db = caches.NewFileListDB()
err := db.Open(Tea.Root + "/data/cache-db-large.db")
if err != nil {
t.Fatal(err)
}
err = db.Init()
err = db.CleanMatchPrefix("https://*.goedge.cn/large-text")
if err != nil {
t.Fatal(err)
}
err = db.CleanMatchPrefix("https://*.goedge.cn:1234/large-text?%2B____")
if err != nil {
t.Fatal(err)
}
}

6
internal/caches/list_interface.go
View File

@@ -18,6 +18,12 @@ type ListInterface interface {
// CleanPrefix 清除某个前缀的缓存
CleanPrefix(prefix string) error
// CleanMatchKey 清除通配符匹配的Key
CleanMatchKey(key string) error
// CleanMatchPrefix 清除通配符匹配的前缀
CleanMatchPrefix(prefix string) error
// Remove 删除内容
Remove(hash string) error

79
internal/caches/list_memory.go
View File

@@ -1,8 +1,11 @@
package caches
import (
"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
"github.com/TeaOSLab/EdgeNode/internal/zero"
"github.com/iwind/TeaGo/logs"
"net"
"net/url"
"strconv"
"strings"
"sync"
@@ -146,6 +149,82 @@ func (this *MemoryList) CleanPrefix(prefix string) error {
return nil
}
// CleanMatchKey 清理通配符匹配的缓存数据，类似于 https://*.example.com/hello
func (this *MemoryList) CleanMatchKey(key string) error {
if strings.Contains(key, SuffixAll) {
return nil
}
u, err := url.Parse(key)
if err != nil {
return nil
}
var host = u.Host
hostPart, _, err := net.SplitHostPort(host)
if err == nil && len(hostPart) > 0 {
host = hostPart
}
if len(host) == 0 {
return nil
}
var requestURI = u.RequestURI()
this.locker.RLock()
defer this.locker.RUnlock()
// TODO 需要优化性能，支持千万级数据低于1s的处理速度
for _, itemMap := range this.itemMaps {
for _, item := range itemMap {
if configutils.MatchDomain(host, item.Host) {
var itemRequestURI = item.RequestURI()
if itemRequestURI == requestURI || strings.HasPrefix(itemRequestURI, requestURI+SuffixAll) {
item.ExpiredAt = 0
}
}
}
}
return nil
}
// CleanMatchPrefix 清理通配符匹配的缓存数据，类似于 https://*.example.com/prefix/
func (this *MemoryList) CleanMatchPrefix(prefix string) error {
u, err := url.Parse(prefix)
if err != nil {
return nil
}
var host = u.Host
hostPart, _, err := net.SplitHostPort(host)
if err == nil && len(hostPart) > 0 {
host = hostPart
}
if len(host) == 0 {
return nil
}
var requestURI = u.RequestURI()
var isRootPath = requestURI == "/"
this.locker.RLock()
defer this.locker.RUnlock()
// TODO 需要优化性能，支持千万级数据低于1s的处理速度
for _, itemMap := range this.itemMaps {
for _, item := range itemMap {
if configutils.MatchDomain(host, item.Host) {
var itemRequestURI = item.RequestURI()
if isRootPath || strings.HasPrefix(itemRequestURI, requestURI) {
item.ExpiredAt = 0
}
}
}
}
return nil
}
func (this *MemoryList) Remove(hash string) error {
this.locker.Lock()

28
internal/caches/storage_file.go
View File

@@ -841,6 +841,19 @@ func (this *FileStorage) Purge(keys []string, urlType string) error {
// 目录
if urlType == "dir" {
for _, key := range keys {
// 检查是否有通配符 http(s)://*.example.com
var schemeIndex = strings.Index(key, "://")
if schemeIndex > 0 {
var keyRight = key[schemeIndex+3:]
if strings.HasPrefix(keyRight, "*.") {
err := this.list.CleanMatchPrefix(key)
if err != nil {
return err
}
continue
}
}
err := this.list.CleanPrefix(key)
if err != nil {
return err
@@ -851,6 +864,20 @@ func (this *FileStorage) Purge(keys []string, urlType string) error {
// URL
for _, key := range keys {
// 检查是否有通配符 http(s)://*.example.com
var schemeIndex = strings.Index(key, "://")
if schemeIndex > 0 {
var keyRight = key[schemeIndex+3:]
if strings.HasPrefix(keyRight, "*.") {
err := this.list.CleanMatchKey(key)
if err != nil {
return err
}
continue
}
}
// 普通的Key
hash, path, _ := this.keyPath(key)
err := this.removeCacheFile(path)
if err != nil && !os.IsNotExist(err) {
@@ -1206,6 +1233,7 @@ func (this *FileStorage) hotLoop() {
memoryStorage.AddToList(&Item{
Type: writer.ItemType(),
Key: item.Key,
Host: ParseHost(item.Key),
ExpiredAt: expiresAt,
HeaderSize: writer.HeaderSize(),
BodySize: writer.BodySize(),

46
internal/caches/storage_memory.go
View File

@@ -1,7 +1,6 @@
package caches
import (
"fmt"
"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
"github.com/TeaOSLab/EdgeNode/internal/goman"
"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
@@ -17,6 +16,7 @@ import (
"math"
"runtime"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
@@ -230,10 +230,10 @@ func (this *MemoryStorage) openWriter(key string, expiresAt int64, status int, h
// Delete 删除某个键值对应的缓存
func (this *MemoryStorage) Delete(key string) error {
hash := this.hash(key)
var hash = this.hash(key)
this.locker.Lock()
delete(this.valuesMap, hash)
_ = this.list.Remove(fmt.Sprintf("%d", hash))
_ = this.list.Remove(types.String(hash))
this.locker.Unlock()
return nil
}
@@ -263,6 +263,19 @@ func (this *MemoryStorage) Purge(keys []string, urlType string) error {
// 目录
if urlType == "dir" {
for _, key := range keys {
// 检查是否有通配符 http(s)://*.example.com
var schemeIndex = strings.Index(key, "://")
if schemeIndex > 0 {
var keyRight = key[schemeIndex+3:]
if strings.HasPrefix(keyRight, "*.") {
err := this.list.CleanMatchPrefix(key)
if err != nil {
return err
}
continue
}
}
err := this.list.CleanPrefix(key)
if err != nil {
return err
@@ -273,6 +286,19 @@ func (this *MemoryStorage) Purge(keys []string, urlType string) error {
// URL
for _, key := range keys {
// 检查是否有通配符 http(s)://*.example.com
var schemeIndex = strings.Index(key, "://")
if schemeIndex > 0 {
var keyRight = key[schemeIndex+3:]
if strings.HasPrefix(keyRight, "*.") {
err := this.list.CleanMatchKey(key)
if err != nil {
return err
}
continue
}
}
err := this.Delete(key)
if err != nil {
return err
@@ -336,7 +362,12 @@ func (this *MemoryStorage) CanUpdatePolicy(newPolicy *serverconfigs.HTTPCachePol
// AddToList 将缓存添加到列表
func (this *MemoryStorage) AddToList(item *Item) {
item.MetaSize = int64(len(item.Key)) + 128 /** 128是我们评估的数据结构的长度 **/
hash := fmt.Sprintf("%d", this.hash(item.Key))
var hash = types.String(this.hash(item.Key))
if len(item.Host) == 0 {
item.Host = ParseHost(item.Key)
}
_ = this.list.Add(hash, item)
}
@@ -433,7 +464,7 @@ func (this *MemoryStorage) startFlush() {
var statCount = 0
var writeDelayMS float64 = 0
for hash := range this.dirtyChan {
for key := range this.dirtyChan {
statCount++
if statCount == 100 {
@@ -455,7 +486,7 @@ func (this *MemoryStorage) startFlush() {
}
}
this.flushItem(hash)
this.flushItem(key)
if writeDelayMS > 0 {
time.Sleep(time.Duration(writeDelayMS) * time.Millisecond)
@@ -513,6 +544,7 @@ func (this *MemoryStorage) flushItem(key string) {
this.parentStorage.AddToList(&Item{
Type: writer.ItemType(),
Key: key,
Host: ParseHost(key),
ExpiredAt: item.ExpiresAt,
HeaderSize: writer.HeaderSize(),
BodySize: writer.BodySize(),
@@ -542,7 +574,7 @@ func (this *MemoryStorage) memoryCapacityBytes() int64 {
func (this *MemoryStorage) deleteWithoutLocker(key string) error {
hash := this.hash(key)
delete(this.valuesMap, hash)
_ = this.list.Remove(fmt.Sprintf("%d", hash))
_ = this.list.Remove(types.String(hash))
return nil
}

30
internal/caches/utils.go Normal file
View File

@@ -0,0 +1,30 @@
// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
package caches
import (
"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
"net"
"strings"
)
func ParseHost(key string) string {
var schemeIndex = strings.Index(key, "://")
if schemeIndex <= 0 {
return ""
}
var firstSlashIndex = strings.Index(key[schemeIndex+3:], "/")
if firstSlashIndex <= 0 {
return ""
}
var host = key[schemeIndex+3 : schemeIndex+3+firstSlashIndex]
hostPart, _, err := net.SplitHostPort(host)
if err == nil && len(hostPart) > 0 {
host = configutils.QuoteIP(hostPart)
}
return host
}

51
internal/caches/utils_test.go Normal file
View File

@@ -0,0 +1,51 @@
// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
package caches_test
import (
"fmt"
"github.com/TeaOSLab/EdgeNode/internal/caches"
"github.com/cespare/xxhash"
"github.com/iwind/TeaGo/types"
"strconv"
"testing"
)
func TestParseHost(t *testing.T) {
for _, u := range []string{
"https://goedge.cn/hello/world",
"https://goedge.cn:8080/hello/world",
"https://goedge.cn/hello/world?v=1&t=123",
"https://[::1]:1234/hello/world?v=1&t=123",
"https://[::1]/hello/world?v=1&t=123",
"https://127.0.0.1/hello/world?v=1&t=123",
"https:/hello/world?v=1&t=123",
"123456",
} {
t.Log(u, "=>", caches.ParseHost(u))
}
}
func TestUintString(t *testing.T) {
t.Log(strconv.FormatUint(xxhash.Sum64String("https://goedge.cn/"), 10))
t.Log(strconv.FormatUint(123456789, 10))
t.Log(fmt.Sprintf("%d", 1234567890123))
}
func BenchmarkUint_String(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = strconv.FormatUint(1234567890123, 10)
}
}
func BenchmarkUint_String2(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = types.String(1234567890123)
}
}
func BenchmarkUint_String3(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = fmt.Sprintf("%d", 1234567890123)
}
}