feat: msg local cache

pkg/common/localcache/cache.go

@@ -2,11 +2,13 @@ package localcache
 
 import (
 	"context"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/localcache/link"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/localcache/local"
+	opt "github.com/openimsdk/open-im-server/v3/pkg/common/localcache/option"
 )
 
 type Cache[V any] interface {
-	Get(ctx context.Context, key string, fetch func(ctx context.Context) (V, error)) (V, error)
+	Get(ctx context.Context, key string, fetch func(ctx context.Context) (V, error), opts ...*opt.Option) (V, error)
 	Del(ctx context.Context, key ...string)
 }
 
@@ -15,7 +17,7 @@ func New[V any](opts ...Option) Cache[V] {
 	for _, o := range opts {
 		o(opt)
 	}
-	c := &cache[V]{opt: opt}
+	c := &cache[V]{opt: opt, link: link.New(opt.localSlotNum)}
 	c.local = local.NewCache[V](opt.localSlotNum, opt.localSlotSize, opt.localSuccessTTL, opt.localFailedTTL, opt.target, c.onEvict)
 	go func() {
 		c.opt.delCh(c.del)
@@ -25,11 +27,16 @@ func New[V any](opts ...Option) Cache[V] {
 
 type cache[V any] struct {
 	opt   *option
+	link  link.Link
 	local local.Cache[V]
 }
 
 func (c *cache[V]) onEvict(key string, value V) {
-
+	for k := range c.link.Del(key) {
+		if key != k {
+			c.local.Del(k)
+		}
+	}
 }
 
 func (c *cache[V]) del(key ...string) {
@@ -38,8 +45,15 @@ func (c *cache[V]) del(key ...string) {
 	}
 }
 
-func (c *cache[V]) Get(ctx context.Context, key string, fetch func(ctx context.Context) (V, error)) (V, error) {
-	if c.opt.enable {
+func (c *cache[V]) Get(ctx context.Context, key string, fetch func(ctx context.Context) (V, error), opts ...*opt.Option) (V, error) {
+	enable := c.opt.enable
+	if len(opts) > 0 && opts[0].Enable != nil {
+		enable = *opts[0].Enable
+	}
+	if enable {
+		if len(opts) > 0 && len(opts[0].Link) > 0 {
+			c.link.Link(key, opts[0].Link...)
+		}
 		return c.local.Get(key, func() (V, error) {
 			return fetch(ctx)
 		})