first commit

middleware/elapsed_time.go

@@ -0,0 +1,23 @@
+package middleware
+
+import (
+	"fmt"
+	"log/slog"
+	"slgserver/net"
+	"time"
+)
+
+func ElapsedTime() net.MiddlewareFunc {
+	return func(next net.HandlerFunc) net.HandlerFunc {
+		return func(req *net.WsMsgReq, rsp *net.WsMsgRsp) {
+			bt := time.Now().UnixNano()
+			next(req, rsp)
+			et := time.Now().UnixNano()
+			diff := (et - bt)/int64(time.Millisecond)
+
+		slog.Info("ElapsedTime:",
+			"msgName", req.Body.Name,
+			"cost", fmt.Sprintf("%dms", diff))
+		}
+	}
+}