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.naming.healthcheck.heartbeat;
  
  import com.alibaba.nacos.api.common.Constants;
  import com.alibaba.nacos.api.naming.utils.NamingUtils;
  import com.alibaba.nacos.common.notify.NotifyCenter;
  import com.alibaba.nacos.common.trace.event.naming.HealthStateChangeTraceEvent;
  import com.alibaba.nacos.naming.core.v2.client.impl.IpPortBasedClient;
  import com.alibaba.nacos.naming.core.v2.event.client.ClientEvent;
  import com.alibaba.nacos.naming.core.v2.event.service.ServiceEvent;
  import com.alibaba.nacos.naming.core.v2.pojo.HealthCheckInstancePublishInfo;
  import com.alibaba.nacos.naming.core.v2.pojo.Service;
  import com.alibaba.nacos.naming.healthcheck.RsInfo;
  import com.alibaba.nacos.naming.misc.Loggers;
  import com.alibaba.nacos.naming.misc.UtilsAndCommons;
  
  /**
   * Thread to update ephemeral instance triggered by client beat for v2.x.
   *
   * @author nkorange
   */
  public class ClientBeatProcessorV2 implements BeatProcessor {
      
      private final String namespace;
      
      private final RsInfo rsInfo;
      
      private final IpPortBasedClient client;
      
      public ClientBeatProcessorV2(String namespace, RsInfo rsInfo, IpPortBasedClient ipPortBasedClient) {
          this.namespace = namespace;
          this.rsInfo = rsInfo;
          this.client = ipPortBasedClient;
      }
      
      @Override
      public void run() {
          if (Loggers.EVT_LOG.isDebugEnabled()) {
              Loggers.EVT_LOG.debug("[CLIENT-BEAT] processing beat: {}", rsInfo.toString());
          }
          String ip = rsInfo.getIp();
          int port = rsInfo.getPort();
          String serviceName = NamingUtils.getServiceName(rsInfo.getServiceName());
          String groupName = NamingUtils.getGroupName(rsInfo.getServiceName());
          Service service = Service.newService(namespace, groupName, serviceName, rsInfo.isEphemeral());
          HealthCheckInstancePublishInfo instance = (HealthCheckInstancePublishInfo) client.getInstancePublishInfo(service);
          if (instance.getIp().equals(ip) && instance.getPort() == port) {
              if (Loggers.EVT_LOG.isDebugEnabled()) {
                  Loggers.EVT_LOG.debug("[CLIENT-BEAT] refresh beat: {}", rsInfo);
              }
              instance.setLastHeartBeatTime(System.currentTimeMillis());
              if (!instance.isHealthy()) {
                  instance.setHealthy(true);
                  Loggers.EVT_LOG.info("service: {} {POS} {IP-ENABLED} valid: {}:{}@{}, region: {}, msg: client beat ok",
                          rsInfo.getServiceName(), ip, port, rsInfo.getCluster(), UtilsAndCommons.LOCALHOST_SITE);
                  NotifyCenter.publishEvent(new ServiceEvent.ServiceChangedEvent(service, Constants.ServiceChangedType.HEART_BEAT));
                  NotifyCenter.publishEvent(new ClientEvent.ClientChangedEvent(client));
                  NotifyCenter.publishEvent(new HealthStateChangeTraceEvent(System.currentTimeMillis(),
                          service.getNamespace(), service.getGroup(), service.getName(), instance.getIp(),
                          instance.getPort(), true, "client_beat"));
              }
          }
      }
  }
  