fix bug and add redis cache drive example

This commit is contained in:
xing 2023-12-11 22:32:00 +08:00
parent d72bed0c8c
commit eed45f51ba
3 changed files with 180 additions and 1 deletions

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@ -0,0 +1,129 @@
package main
import (
"context"
"errors"
"fmt"
"github.com/fthvgb1/wp-go/app/pkg/config"
"github.com/fthvgb1/wp-go/app/pkg/dao"
"github.com/fthvgb1/wp-go/app/theme/wp"
"github.com/fthvgb1/wp-go/cache/cachemanager"
"github.com/fthvgb1/wp-go/helper/number"
"github.com/fthvgb1/wp-go/helper/slice"
"github.com/fthvgb1/wp-go/helper/strings"
"github.com/redis/go-redis/v9"
"strconv"
strings2 "strings"
"time"
)
type RdmCache[K comparable, V any] struct {
expired func() time.Duration
rdb *redis.Client
keyFn func(K) string
name string
resFn func(map[string]string) V
saveData func(V) map[string]string
}
func (r *RdmCache[K, V]) SetExpiredTime(f func() time.Duration) {
r.expired = f
}
func (r *RdmCache[K, V]) Get(ctx context.Context, key K) (V, bool) {
var re V
result, err := r.rdb.Exists(ctx, r.keyFn(key)).Result()
if result <= 0 || err != nil {
return re, false
}
rr, err := r.rdb.HGetAll(ctx, r.keyFn(key)).Result()
if errors.Is(err, redis.Nil) {
return re, false
}
if err != nil {
return re, false
}
return r.resFn(rr), true
}
func (r *RdmCache[K, V]) Set(ctx context.Context, key K, val V) {
k := r.keyFn(key)
result, err := r.rdb.HSet(ctx, k, r.saveData(val)).Result()
b, err := r.rdb.Expire(ctx, k, r.expired()).Result()
if err != nil {
fmt.Println(result, b, err)
return
}
fmt.Println(result, err)
}
func (r *RdmCache[K, V]) GetExpireTime(ctx context.Context) time.Duration {
return r.expired()
}
func (r *RdmCache[K, V]) Ttl(ctx context.Context, key K) time.Duration {
result, err := r.rdb.TTL(ctx, r.keyFn(key)).Result()
if err != nil {
return 0
}
return result
}
func (r *RdmCache[K, V]) Flush(ctx context.Context) {
}
func (r *RdmCache[K, V]) Del(ctx context.Context, key ...K) {
r.rdb.Del(ctx, slice.Map(key, r.keyFn)...)
}
func (r *RdmCache[K, V]) ClearExpired(ctx context.Context) {
}
// use step:
//1 go build -gcflags all="-N -l" --race -buildmode=plugin -o redisCache.so main.go && cp ./redisCache.so wp-go/plugins/
//2 wp-go config add redisCache plugin
func Re(h *wp.Handle) {
vv, ok := cachemanager.GetMapCache[string, dao.PostIds]("listPostIds")
if ok {
_, ok := any(vv.Cache).(*RdmCache[string, dao.PostIds])
if ok {
return
}
}
rdm := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password set
DB: 0, // use default DB
})
r := RdmCache[string, dao.PostIds]{
expired: func() time.Duration {
return time.Minute
},
keyFn: func(u string) string {
return strings.Join("postIds:", u)
},
rdb: rdm,
name: "",
resFn: func(m map[string]string) dao.PostIds {
return dao.PostIds{
Ids: slice.Map(strings2.Split(m["ids"], ","), strings.ToInt[uint64]),
Length: strings.ToInt[int](m["length"]),
}
},
saveData: func(ids dao.PostIds) map[string]string {
t := slice.Map(ids.Ids, number.IntToString[uint64])
return map[string]string{
"ids": strings2.Join(t, ","),
"length": strconv.Itoa(ids.Length),
}
},
}
cachemanager.NewMapCache[string, dao.PostIds](&r, nil, dao.SearchPostIds, config.GetConfig().CacheTime.PostListCacheTime, "listPostIds", func() time.Duration {
return config.GetConfig().CacheTime.PostListCacheTime
})
fmt.Println("redis cache inited ok")
}

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@ -0,0 +1,50 @@
module redisCache
go 1.21
require (
github.com/fthvgb1/wp-go v0.0.0-20231210111549-d72bed0c8c4e
github.com/redis/go-redis/v9 v9.3.0
)
replace github.com/fthvgb1/wp-go v0.0.0-20231210111549-d72bed0c8c4e => ../wp-go
require (
github.com/bytedance/sonic v1.10.2 // indirect
github.com/cespare/xxhash/v2 v2.2.0 // indirect
github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d // indirect
github.com/chenzhuoyu/iasm v0.9.1 // indirect
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
github.com/dlclark/regexp2 v1.10.0 // indirect
github.com/elliotchance/phpserialize v1.3.3 // indirect
github.com/gabriel-vasile/mimetype v1.4.3 // indirect
github.com/gin-contrib/sessions v0.0.5 // indirect
github.com/gin-contrib/sse v0.1.0 // indirect
github.com/gin-gonic/gin v1.9.1 // indirect
github.com/go-playground/locales v0.14.1 // indirect
github.com/go-playground/universal-translator v0.18.1 // indirect
github.com/go-playground/validator/v10 v10.16.0 // indirect
github.com/goccy/go-json v0.10.2 // indirect
github.com/gorilla/context v1.1.2 // indirect
github.com/gorilla/securecookie v1.1.2 // indirect
github.com/gorilla/sessions v1.2.2 // indirect
github.com/jmoiron/sqlx v1.3.5 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/klauspost/cpuid/v2 v2.2.6 // indirect
github.com/leodido/go-urn v1.2.4 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/pelletier/go-toml/v2 v2.1.0 // indirect
github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
github.com/ugorji/go/codec v1.2.11 // indirect
golang.org/x/arch v0.6.0 // indirect
golang.org/x/crypto v0.15.0 // indirect
golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa // indirect
golang.org/x/net v0.18.0 // indirect
golang.org/x/sys v0.14.0 // indirect
golang.org/x/text v0.14.0 // indirect
google.golang.org/protobuf v1.31.0 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

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@ -289,5 +289,5 @@ func GetVarCache[T any](name string) (*cache.VarCache[T], bool) {
func GetMapCache[K comparable, V any](name string) (*cache.MapCache[K, V], bool) {
vv, err := getMap[K, V](name)
return vv, err != nil
return vv, err == nil
}