feat: table route for metric engine (#3053)

* feat: table route for metric engine

* feat: register logical regions

* fix: open logical region (#96)

---------

Co-authored-by: JeremyHi <jiachun_feng@proton.me>

src/file-engine/src/engine.rs

@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+use std::any::Any;
 use std::collections::HashMap;
 use std::sync::{Arc, RwLock};
 
@@ -119,6 +120,10 @@ impl RegionEngine for FileRegionEngine {
     fn role(&self, region_id: RegionId) -> Option<RegionRole> {
         self.inner.state(region_id)
     }
+
+    fn as_any(&self) -> &dyn Any {
+        self
+    }
 }
 
 struct EngineInner {