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.controllers;
  
  import com.alibaba.nacos.auth.annotation.Secured;
  import com.alibaba.nacos.common.utils.InternetAddressUtil;
  import com.alibaba.nacos.common.utils.JacksonUtils;
  import com.alibaba.nacos.core.controller.compatibility.Compatibility;
  import com.alibaba.nacos.core.paramcheck.ExtractorManager;
  import com.alibaba.nacos.core.utils.WebUtils;
  import com.alibaba.nacos.naming.cluster.ServerStatusManager;
  import com.alibaba.nacos.naming.constants.ClientConstants;
  import com.alibaba.nacos.naming.core.DistroMapper;
  import com.alibaba.nacos.naming.core.v2.client.Client;
  import com.alibaba.nacos.naming.core.v2.client.impl.IpPortBasedClient;
  import com.alibaba.nacos.naming.core.v2.client.manager.ClientManager;
  import com.alibaba.nacos.naming.misc.Loggers;
  import com.alibaba.nacos.naming.misc.SwitchDomain;
  import com.alibaba.nacos.naming.misc.SwitchEntry;
  import com.alibaba.nacos.naming.misc.SwitchManager;
  import com.alibaba.nacos.naming.misc.UtilsAndCommons;
  import com.alibaba.nacos.naming.monitor.MetricsMonitor;
  import com.alibaba.nacos.naming.paramcheck.NamingDefaultHttpParamExtractor;
  import com.alibaba.nacos.plugin.auth.constant.ActionTypes;
  import com.alibaba.nacos.plugin.auth.constant.ApiType;
  import com.alibaba.nacos.sys.env.EnvUtil;
  import com.fasterxml.jackson.databind.node.ObjectNode;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.PutMapping;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestParam;
  import org.springframework.web.bind.annotation.RestController;
  
  import jakarta.servlet.http.HttpServletRequest;
  import java.util.Collection;
  
  /**
   * Operation for operators.
   *
   * @author nkorange
   */
  @Deprecated
  @RestController
  @RequestMapping({UtilsAndCommons.NACOS_NAMING_CONTEXT + UtilsAndCommons.NACOS_NAMING_OPERATOR_CONTEXT,
          UtilsAndCommons.NACOS_NAMING_CONTEXT + "/ops"})
  @ExtractorManager.Extractor(httpExtractor = NamingDefaultHttpParamExtractor.class)
  public class OperatorController {
      
      private final SwitchManager switchManager;
      
      private final ServerStatusManager serverStatusManager;
      
      private final SwitchDomain switchDomain;
      
      private final DistroMapper distroMapper;
      
      private final ClientManager clientManager;
      
      public OperatorController(SwitchManager switchManager, ServerStatusManager serverStatusManager,
              SwitchDomain switchDomain, DistroMapper distroMapper,
              ClientManager clientManager) {
          this.switchManager = switchManager;
          this.serverStatusManager = serverStatusManager;
          this.switchDomain = switchDomain;
          this.distroMapper = distroMapper;
          this.clientManager = clientManager;
      }
      
      /**
       * Get push metric status.
       *
       * @param detail whether return detail information
       * @param reset  whether reset metric information after return information
       * @return push metric status
       */
      @RequestMapping("/push/state")
      @Compatibility(apiType = ApiType.ADMIN_API)
      public ObjectNode pushState(@RequestParam(required = false) boolean detail,
              @RequestParam(required = false) boolean reset) {
          ObjectNode result = JacksonUtils.createEmptyJsonNode();
          int failedPushCount = MetricsMonitor.getFailedPushMonitor().get();
          int totalPushCount = MetricsMonitor.getTotalPushMonitor().get();
          result.put("succeed", totalPushCount - failedPushCount);
          result.put("total", totalPushCount);
          if (totalPushCount > 0) {
              result.put("ratio", ((float) totalPushCount - failedPushCount) / totalPushCount);
          } else {
              result.put("ratio", 0);
          }
          if (detail) {
              ObjectNode detailNode = JacksonUtils.createEmptyJsonNode();
              detailNode.put("avgPushCost", MetricsMonitor.getAvgPushCostMonitor().get());
              detailNode.put("maxPushCost", MetricsMonitor.getMaxPushCostMonitor().get());
              result.replace("detail", detailNode);
          }
          if (reset) {
              MetricsMonitor.resetPush();
          }
          result.put("reset", reset);
          return result;
      }
      
      /**
       * Get switch information.
       *
       * @param request no used
       * @return switchDomain
       */
      @GetMapping("/switches")
      @Compatibility(apiType = ApiType.ADMIN_API, alternatives = "GET ${contextPath:nacos}/v3/admin/ns/ops/switches")
      public SwitchDomain switches(HttpServletRequest request) {
          return switchDomain;
      }
      
      /**
       * Update switch information.
       *
       * @param debug whether debug
       * @param entry item entry of switch, {@link SwitchEntry}
       * @param value switch value
       * @return 'ok' if success
       * @throws Exception exception
       */
      @Secured(resource = "naming/switches", action = ActionTypes.WRITE)
      @PutMapping("/switches")
      @Compatibility(apiType = ApiType.ADMIN_API, alternatives = "PUT ${contextPath:nacos}/v3/admin/ns/ops/switches")
      public String updateSwitch(@RequestParam(required = false) boolean debug, @RequestParam String entry,
              @RequestParam String value) throws Exception {
          
          switchManager.update(entry, value, debug);
          
          return "ok";
      }
      
      /**
       * Get metrics information.
       *
       * @param request request
       * @return metrics information
       */
      @GetMapping("/metrics")
      @Compatibility(apiType = ApiType.OPEN_API, alternatives = "GET ${contextPath:nacos}/v3/admin/ns/ops/metrics")
      public ObjectNode metrics(HttpServletRequest request) {
          boolean onlyStatus = Boolean.parseBoolean(WebUtils.optional(request, "onlyStatus", "true"));
          ObjectNode result = JacksonUtils.createEmptyJsonNode();
          result.put("status", serverStatusManager.getServerStatus().name());
          if (onlyStatus) {
              return result;
          }
          Collection<String> allClientId = clientManager.allClientId();
          int connectionBasedClient = 0;
          int ephemeralIpPortClient = 0;
          int persistentIpPortClient = 0;
          int responsibleClientCount = 0;
          int responsibleIpCount = 0;
          for (String clientId : allClientId) {
              if (clientId.contains(IpPortBasedClient.ID_DELIMITER)) {
                  if (clientId.endsWith(ClientConstants.PERSISTENT_SUFFIX)) {
                      persistentIpPortClient += 1;
                  } else {
                      ephemeralIpPortClient += 1;
                  }
              } else {
                  connectionBasedClient += 1;
              }
              Client client = clientManager.getClient(clientId);
              if (clientManager.isResponsibleClient(client)) {
                  responsibleClientCount += 1;
                  responsibleIpCount += client.getAllPublishedService().size();
              }
          }
          result.put("serviceCount", MetricsMonitor.getDomCountMonitor().get());
          result.put("instanceCount", MetricsMonitor.getIpCountMonitor().get());
          result.put("subscribeCount", MetricsMonitor.getSubscriberCount().get());
          result.put("responsibleInstanceCount", responsibleIpCount);
          result.put("clientCount", allClientId.size());
          result.put("connectionBasedClientCount", connectionBasedClient);
          result.put("ephemeralIpPortClientCount", ephemeralIpPortClient);
          result.put("persistentIpPortClientCount", persistentIpPortClient);
          result.put("responsibleClientCount", responsibleClientCount);
          result.put("cpu", EnvUtil.getCpu());
          result.put("load", EnvUtil.getLoad());
          result.put("mem", EnvUtil.getMem());
          return result;
      }
      
      @GetMapping("/distro/client")
      @Compatibility(apiType = ApiType.ADMIN_API, alternatives = "GET ${contextPath:nacos}/v3/admin/ns/client/distro")
      public ObjectNode getResponsibleServer4Client(@RequestParam String ip, @RequestParam String port) {
          ObjectNode result = JacksonUtils.createEmptyJsonNode();
          String tag = ip + InternetAddressUtil.IP_PORT_SPLITER + port;
          result.put("responsibleServer", distroMapper.mapSrv(tag));
          return result;
      }
      
      @PutMapping("/log")
      @Compatibility(apiType = ApiType.ADMIN_API, alternatives = "PUT ${contextPath:nacos}/v3/admin/ns/ops/log")
      public String setLogLevel(@RequestParam String logName, @RequestParam String logLevel) {
          Loggers.setLogLevel(logName, logLevel);
          return "ok";
      }
  }
  