fix: SlowThreshold configuration not taking effect (#4654)

zrpc/internal/serverinterceptors/statinterceptor.go

@@ -25,7 +25,7 @@ var (
 
 // StatConf defines the static configuration for stat interceptor.
 type StatConf struct {
-	SlowThreshold        time.Duration `json:",default=500ms"`
+	SlowThreshold        time.Duration `json:",optional"`
 	IgnoreContentMethods []string      `json:",optional"`
 }
 
@@ -63,8 +63,7 @@ func UnaryStatInterceptor(metrics *stat.Metrics, conf StatConf) grpc.UnaryServer
 }
 
 func isSlow(duration, durationThreshold time.Duration) bool {
-	return duration > slowThreshold.Load() ||
+	return durationThreshold > 0 && duration > durationThreshold
-		(durationThreshold > 0 && duration > durationThreshold)
 }
 
 func logDuration(ctx context.Context, method string, req any, duration time.Duration,
@@ -84,7 +83,7 @@ func logDuration(ctx context.Context, method string, req any, duration time.Dura
 		content, err := json.Marshal(req)
 		if err != nil {
 			logx.WithContext(ctx).Errorf("%s - %s", addr, err.Error())
-		} else if duration > slowThreshold.Load() {
+		} else if isSlow(duration, durationThreshold) {
 			logger.Slowf("[RPC] slowcall - %s - %s - %s", addr, method, string(content))
 		} else {
 			logger.Infof("%s - %s - %s", addr, method, string(content))

zrpc/internal/serverinterceptors/statinterceptor_test.go

@@ -47,6 +47,7 @@ func TestLogDuration(t *testing.T) {
 		ctx               context.Context
 		req               any
 		duration          time.Duration
+		durationThreshold time.Duration
 	}{
 		{
 			name: "normal",
@@ -63,6 +64,7 @@ func TestLogDuration(t *testing.T) {
 			ctx:               context.Background(),
 			req:               "foo",
 			duration:          time.Second,
+			durationThreshold: time.Millisecond * 500,
 		},
 		{
 			name: "timeout",
@@ -86,7 +88,7 @@ func TestLogDuration(t *testing.T) {
 
 			assert.NotPanics(t, func() {
 				logDuration(test.ctx, "foo", test.req, test.duration,
-					collection.NewSet(), 0)
+					collection.NewSet(), test.durationThreshold)
 			})
 		})
 	}
@@ -102,6 +104,7 @@ func TestLogDurationWithoutContent(t *testing.T) {
 		ctx               context.Context
 		req               any
 		duration          time.Duration
+		durationThreshold time.Duration
 	}{
 		{
 			name: "normal",
@@ -118,6 +121,7 @@ func TestLogDurationWithoutContent(t *testing.T) {
 			ctx:               context.Background(),
 			req:               "foo",
 			duration:          time.Second,
+			durationThreshold: time.Millisecond * 500,
 		},
 		{
 			name: "timeout",
@@ -146,7 +150,7 @@ func TestLogDurationWithoutContent(t *testing.T) {
 
 			assert.NotPanics(t, func() {
 				logDuration(test.ctx, "foo", test.req, test.duration,
-					collection.NewSet(), 0)
+					collection.NewSet(), test.durationThreshold)
 			})
 		})
 	}
@@ -225,7 +229,7 @@ func Test_isSlow(t *testing.T) {
 			args{
 				duration: time.Millisecond * 501,
 			},
-			true,
+			false,
 			nil,
 		},
 		{
@@ -237,16 +241,6 @@ func Test_isSlow(t *testing.T) {
 			true,
 			nil,
 		},
-		{
-			"dynamic",
-			args{
-				duration: time.Millisecond * 200,
-			},
-			true,
-			func() {
-				SetSlowThreshold(time.Millisecond * 100)
-			},
-		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {