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.misc;
  
  import com.alibaba.nacos.naming.boot.RunningConfig;
  import com.ning.http.client.AsyncCompletionHandler;
  import com.ning.http.client.Response;
  import org.springframework.util.StringUtils;
  
  import java.net.HttpURLConnection;
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * Report local server status to other server
   *
   * @author nacos
   */
  public class ServerStatusSynchronizer implements Synchronizer {
      @Override
      public void send(final String serverIP, Message msg) {
          if (StringUtils.isEmpty(serverIP)) {
              return;
          }
  
          final Map<String, String> params = new HashMap<String, String>(2);
  
          params.put("serverStatus", msg.getData());
  
          String url = "http://" + serverIP + ":" + RunningConfig.getServerPort()
              + RunningConfig.getContextPath() + UtilsAndCommons.NACOS_NAMING_CONTEXT + "/operator/server/status";
  
          if (serverIP.contains(UtilsAndCommons.IP_PORT_SPLITER)) {
              url = "http://" + serverIP + RunningConfig.getContextPath() + UtilsAndCommons.NACOS_NAMING_CONTEXT
                  + "/operator/server/status";
          }
  
          try {
              HttpClient.asyncHttpGet(url, null, params, new AsyncCompletionHandler() {
                  @Override
                  public Integer onCompleted(Response response) throws Exception {
                      if (response.getStatusCode() != HttpURLConnection.HTTP_OK) {
                          Loggers.SRV_LOG.warn("[STATUS-SYNCHRONIZE] failed to request serverStatus, remote server: {}",
                              serverIP);
  
                          return 1;
                      }
                      return 0;
                  }
              });
          } catch (Exception e) {
              Loggers.SRV_LOG.warn("[STATUS-SYNCHRONIZE] failed to request serverStatus, remote server: {}", serverIP, e);
          }
      }
  
      @Override
      public Message get(String server, String key) {
          return null;
      }
  }
  