content: /*
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package io.airlift.http.client.jetty;
  
  import com.google.common.util.concurrent.RateLimiter;
  import com.google.errorprone.annotations.ThreadSafe;
  import io.airlift.log.Logger;
  import org.eclipse.jetty.client.HttpClient;
  
  @ThreadSafe
  class JettyClientDiagnostics
  {
      private static final Logger log = Logger.get(JettyClientDiagnostics.class);
  
      // log at most once per 10s
      private final RateLimiter rateLimiter = RateLimiter.create(0.1);
  
      void logDiagnosticsInfo(HttpClient httpClient)
      {
          if (!log.isDebugEnabled() || !rateLimiter.tryAcquire()) {
              return;
          }
  
          log.debug(httpClient.dump());
      }
  }
  