update

core/src/layers/metrics.rs

@@ -71,15 +71,13 @@ use crate::*;
 /// ```
 #[derive(Clone, Debug)]
 pub struct MetricsLayer {
- interceptor: MetricsInterceptor,
+ path_label_level: usize,
 }
 
 impl Default for MetricsLayer {
  fn default() -> Self {
  Self {
- interceptor: MetricsInterceptor {
- path_label_level: 0,
- },
+ path_label_level: 0,
  }
  }
 }
@@ -91,7 +89,7 @@ impl MetricsLayer {
  /// - level > 0: the path label will be the path split by "/" and get the last n level,
  /// if n=1 and input path is "abc/def/ghi", and then we will get "abc/" as the path label.
  pub fn path_label(mut self, level: usize) -> Self {
- self.interceptor.path_label_level = level;
+ self.path_label_level = level;
  self
  }
 }
@@ -100,7 +98,10 @@ impl<A: Access> Layer<A> for MetricsLayer {
  type LayeredAccess = observe::MetricsAccessor<A, MetricsInterceptor>;
 
  fn layer(&self, inner: A) -> Self::LayeredAccess {
- observe::MetricsLayer::new(self.interceptor.clone()).layer(inner)
+ let interceptor = MetricsInterceptor {
+ path_label_level: self.path_label_level,
+ };
+ observe::MetricsLayer::new(interceptor).layer(inner)
  }
 }