content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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 com.alibaba.nacos.client.monitor;
  
  import io.prometheus.client.Gauge;
  import io.prometheus.client.Histogram;
  
  /**
   * Metrics Monitor
   *
   * @author Nacos
   */
  public class MetricsMonitor {
      private static Gauge nacosMonitor = Gauge.build()
          .name("nacos_monitor").labelNames("module", "name")
          .help("nacos_monitor").register();
  
      private static Histogram nacosClientRequestHistogram = Histogram.build().labelNames("module", "method", "url", "code")
          .name("nacos_client_request").help("nacos_client_request")
          .register();
  
  
      public static Gauge.Child getServiceInfoMapSizeMonitor() {
          return nacosMonitor.labels("naming", "serviceInfoMapSize");
      }
  
      public static Gauge.Child getDom2BeatSizeMonitor() {
          return nacosMonitor.labels("naming", "dom2BeatSize");
      }
  
      public static Gauge.Child getListenConfigCountMonitor() {
          return nacosMonitor.labels("naming", "listenConfigCount");
      }
  
      public static Histogram.Timer getConfigRequestMonitor(String method, String url, String code) {
          return nacosClientRequestHistogram.labels("config", method, url, code).startTimer();
      }
  
      public static Histogram.Child getNamingRequestMonitor(String method, String url, String code) {
          return nacosClientRequestHistogram.labels("naming", method, url, code);
      }
  }
  
  