content: /*
   * Copyright 1999-2022 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.naming.monitor.collector;
  
  import com.alibaba.nacos.common.executor.ExecutorFactory;
  import com.alibaba.nacos.naming.core.v2.client.Client;
  import com.alibaba.nacos.naming.core.v2.client.manager.impl.ConnectionBasedClientManager;
  import com.alibaba.nacos.naming.core.v2.client.manager.impl.EphemeralIpPortClientManager;
  import com.alibaba.nacos.naming.core.v2.client.manager.impl.PersistentIpPortClientManager;
  import com.alibaba.nacos.naming.monitor.MetricsMonitor;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Service;
  
  import java.util.concurrent.ScheduledExecutorService;
  import java.util.concurrent.TimeUnit;
  
  /**
   * v1 and v2 naming subscriber and publisher metrics collector.
   *
   * @author <a href="mailto:liuyixiao0821@gmail.com">liuyixiao</a>
   */
  @Service
  public class NamingSubAndPubMetricsCollector {
      
      private static final long DELAY_SECONDS = 5;
      
      private static ScheduledExecutorService executorService = ExecutorFactory.newSingleScheduledExecutorService(r -> {
          Thread thread = new Thread(r, "nacos.naming.monitor.NamingSubAndPubMetricsCollector");
          thread.setDaemon(true);
          return thread;
      });
      
      @Autowired
      public NamingSubAndPubMetricsCollector(ConnectionBasedClientManager connectionBasedClientManager,
              EphemeralIpPortClientManager ephemeralIpPortClientManager, PersistentIpPortClientManager persistentIpPortClientManager) {
          executorService.scheduleWithFixedDelay(() -> {
              int v1SubscriberCount = 0;
              int v1PublisherCount = 0;
              for (String clientId : ephemeralIpPortClientManager.allClientId()) {
                  Client client = ephemeralIpPortClientManager.getClient(clientId);
                  if (null != client) {
                      v1PublisherCount += client.getAllPublishedService().size();
                      v1SubscriberCount += client.getAllSubscribeService().size();
                  }
              }
              for (String clientId : persistentIpPortClientManager.allClientId()) {
                  Client client = persistentIpPortClientManager.getClient(clientId);
                  if (null != client) {
                      v1PublisherCount += client.getAllPublishedService().size();
                      v1SubscriberCount += client.getAllSubscribeService().size();
                  }
              }
              MetricsMonitor.getNamingSubscriber("v1").set(v1SubscriberCount);
              MetricsMonitor.getNamingPublisher("v1").set(v1PublisherCount);
      
              int v2SubscriberCount = 0;
              int v2PublisherCount = 0;
              for (String clientId : connectionBasedClientManager.allClientId()) {
                  Client client = connectionBasedClientManager.getClient(clientId);
                  if (null != client) {
                      v2PublisherCount += client.getAllPublishedService().size();
                      v2SubscriberCount += client.getAllSubscribeService().size();
                  }
              }
              MetricsMonitor.getNamingSubscriber("v2").set(v2SubscriberCount);
              MetricsMonitor.getNamingPublisher("v2").set(v2PublisherCount);
          }, DELAY_SECONDS, DELAY_SECONDS, TimeUnit.SECONDS);
      }
  }
  