content: /*
   * Copyright 1999-$toady.year 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.v3;
  
  import com.alibaba.nacos.api.annotation.NacosApi;
  import com.alibaba.nacos.api.exception.api.NacosApiException;
  import com.alibaba.nacos.api.model.v2.ErrorCode;
  import com.alibaba.nacos.api.model.v2.Result;
  import com.alibaba.nacos.api.naming.pojo.maintainer.ClientPublisherInfo;
  import com.alibaba.nacos.api.naming.pojo.maintainer.ClientServiceInfo;
  import com.alibaba.nacos.api.naming.pojo.maintainer.ClientSubscriberInfo;
  import com.alibaba.nacos.api.naming.pojo.maintainer.ClientSummaryInfo;
  import com.alibaba.nacos.auth.annotation.Secured;
  import com.alibaba.nacos.core.paramcheck.ExtractorManager;
  import com.alibaba.nacos.naming.core.ClientService;
  import com.alibaba.nacos.naming.core.v2.client.manager.ClientManager;
  import com.alibaba.nacos.naming.misc.UtilsAndCommons;
  import com.alibaba.nacos.naming.model.form.ClientServiceForm;
  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.fasterxml.jackson.databind.node.ObjectNode;
  import org.springframework.http.HttpStatus;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestParam;
  import org.springframework.web.bind.annotation.RestController;
  
  import java.util.List;
  
  /**
   * Client controller.
   *
   * @author Nacos
   */
  
  @NacosApi
  @RestController
  @RequestMapping(UtilsAndCommons.CLIENT_CONTROLLER_V3_ADMIN_PATH)
  @ExtractorManager.Extractor(httpExtractor = NamingDefaultHttpParamExtractor.class)
  public class ClientControllerV3 {
      
      private final ClientManager clientManager;
      
      private final ClientService clientServiceV2Impl;
      
      public ClientControllerV3(ClientManager clientManager, ClientService clientServiceV2Impl) {
          this.clientManager = clientManager;
          this.clientServiceV2Impl = clientServiceV2Impl;
      }
      
      /**
       * Query all clients.
       */
      @GetMapping("/list")
      @Secured(action = ActionTypes.READ, apiType = ApiType.ADMIN_API)
      public Result<List<String>> getClientList() {
          return Result.success(clientServiceV2Impl.getClientList());
      }
      
      /**
       * Query client by clientId.
       */
      @GetMapping()
      @Secured(action = ActionTypes.READ, apiType = ApiType.ADMIN_API)
      public Result<ClientSummaryInfo> getClientDetail(@RequestParam("clientId") String clientId)
              throws NacosApiException {
          checkClientId(clientId);
          return Result.success(clientServiceV2Impl.getClientDetail(clientId));
      }
      
      /**
       * Query the services registered by the specified client.
       */
      @GetMapping("/publish/list")
      @Secured(action = ActionTypes.READ, apiType = ApiType.ADMIN_API)
      public Result<List<ClientServiceInfo>> getPublishedServiceList(@RequestParam("clientId") String clientId)
              throws NacosApiException {
          checkClientId(clientId);
          return Result.success(clientServiceV2Impl.getPublishedServiceList(clientId));
      }
      
      /**
       * Query the services to which the specified client subscribes.
       */
      @GetMapping("/subscribe/list")
      @Secured(action = ActionTypes.READ, apiType = ApiType.ADMIN_API)
      public Result<List<ClientServiceInfo>> getSubscribeServiceList(@RequestParam("clientId") String clientId)
              throws NacosApiException {
          checkClientId(clientId);
          return Result.success(clientServiceV2Impl.getSubscribeServiceList(clientId));
      }
      
      /**
       * Query the clients that have registered the specified service.
       */
      @GetMapping("/service/publisher/list")
      @Secured(action = ActionTypes.READ, apiType = ApiType.ADMIN_API)
      public Result<List<ClientPublisherInfo>> getPublishedClientList(ClientServiceForm clientServiceForm)
              throws NacosApiException {
          clientServiceForm.validate();
          return Result.success(clientServiceV2Impl.getPublishedClientList(clientServiceForm.getNamespaceId(),
                  clientServiceForm.getGroupName(), clientServiceForm.getServiceName(), clientServiceForm.getIp(),
                  clientServiceForm.getPort()));
      }
      
      /**
       * Query the clients that are subscribed to the specified service.
       */
      @GetMapping("/service/subscriber/list")
      @Secured(action = ActionTypes.READ, apiType = ApiType.ADMIN_API)
      public Result<List<ClientSubscriberInfo>> getSubscribeClientList(ClientServiceForm clientServiceForm)
              throws NacosApiException {
          clientServiceForm.validate();
          return Result.success(clientServiceV2Impl.getSubscribeClientList(clientServiceForm.getNamespaceId(),
                  clientServiceForm.getGroupName(), clientServiceForm.getServiceName(), clientServiceForm.getIp(),
                  clientServiceForm.getPort()));
      }
      
      /**
       * Query the responsible server for a given client based on its IP and port.
       */
      @GetMapping("/distro")
      @Secured(resource = UtilsAndCommons.CLIENT_CONTROLLER_V3_ADMIN_PATH, action = ActionTypes.READ, apiType = ApiType.ADMIN_API)
      public Result<ObjectNode> getResponsibleServer4Client(@RequestParam String ip, @RequestParam String port) {
          return Result.success(clientServiceV2Impl.getResponsibleServer4Client(ip, port));
      }
      
      private void checkClientId(String clientId) throws NacosApiException {
          if (!clientManager.contains(clientId)) {
              throw new NacosApiException(HttpStatus.NOT_FOUND.value(), ErrorCode.RESOURCE_NOT_FOUND,
                      "clientId [ " + clientId + " ] not exist");
          }
      }
  }