feat: msg local cache

pkg/common/localcache/local/lru_test.go

@@ -0,0 +1,95 @@
+package local
+
+import (
+	"fmt"
+	"sync"
+	"sync/atomic"
+	"testing"
+	"time"
+)
+
+type cacheTarget struct {
+	getHit      int64
+	getSuccess  int64
+	getFailed   int64
+	delHit      int64
+	delNotFound int64
+}
+
+func (r *cacheTarget) IncrGetHit() {
+	atomic.AddInt64(&r.getHit, 1)
+}
+
+func (r *cacheTarget) IncrGetSuccess() {
+	atomic.AddInt64(&r.getSuccess, 1)
+}
+
+func (r *cacheTarget) IncrGetFailed() {
+	atomic.AddInt64(&r.getFailed, 1)
+}
+
+func (r *cacheTarget) IncrDelHit() {
+	atomic.AddInt64(&r.delHit, 1)
+}
+
+func (r *cacheTarget) IncrDelNotFound() {
+	atomic.AddInt64(&r.delNotFound, 1)
+}
+
+func (r *cacheTarget) String() string {
+	return fmt.Sprintf("getHit: %d, getSuccess: %d, getFailed: %d, delHit: %d, delNotFound: %d", r.getHit, r.getSuccess, r.getFailed, r.delHit, r.delNotFound)
+}
+
+func TestName(t *testing.T) {
+	target := &cacheTarget{}
+	l := NewCache[string](100, 1000, time.Second*20, time.Second*5, target)
+	//l := NewLRU[string, string](1000, time.Second*20, time.Second*5, target)
+
+	fn := func(key string, n int, fetch func() (string, error)) {
+		for i := 0; i < n; i++ {
+			//v, err := l.Get(key, fetch)
+			//if err == nil {
+			//	t.Log("key", key, "value", v)
+			//} else {
+			//	t.Error("key", key, err)
+			//}
+			l.Get(key, fetch)
+			//time.Sleep(time.Second / 100)
+		}
+	}
+
+	tmp := make(map[string]struct{})
+
+	var wg sync.WaitGroup
+	for i := 0; i < 10000; i++ {
+		wg.Add(1)
+		key := fmt.Sprintf("key_%d", i%200)
+		tmp[key] = struct{}{}
+		go func() {
+			defer wg.Done()
+			//t.Log(key)
+			fn(key, 10000, func() (string, error) {
+				//time.Sleep(time.Second * 3)
+				//t.Log(time.Now(), "key", key, "fetch")
+				//if rand.Uint32()%5 == 0 {
+				//	return "value_" + key, nil
+				//}
+				//return "", errors.New("rand error")
+				return "value_" + key, nil
+			})
+		}()
+
+		//wg.Add(1)
+		//go func() {
+		//	defer wg.Done()
+		//	for i := 0; i < 10; i++ {
+		//		l.Del(key)
+		//		time.Sleep(time.Second / 3)
+		//	}
+		//}()
+	}
+	wg.Wait()
+	t.Log(len(tmp))
+	t.Log(target.String())
+
+}