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.csp.sentinel.cluster.server.command.handler;
  
  import com.alibaba.csp.sentinel.cluster.server.config.ClusterServerConfigManager;
  import com.alibaba.csp.sentinel.cluster.server.config.ServerTransportConfig;
  import com.alibaba.csp.sentinel.command.CommandHandler;
  import com.alibaba.csp.sentinel.command.CommandRequest;
  import com.alibaba.csp.sentinel.command.CommandResponse;
  import com.alibaba.csp.sentinel.command.annotation.CommandMapping;
  import com.alibaba.csp.sentinel.util.StringUtil;
  
  /**
   * @author Eric Zhao
   * @since 1.4.0
   */
  @CommandMapping(name = "cluster/server/modifyTransportConfig", desc = "modify cluster server transport config")
  public class ModifyClusterServerTransportConfigHandler implements CommandHandler<String> {
  
      @Override
      public CommandResponse<String> handle(CommandRequest request) {
          String portValue = request.getParam("port");
          if (StringUtil.isBlank(portValue)) {
              return CommandResponse.ofFailure(new IllegalArgumentException("invalid empty port"));
          }
          String idleSecondsValue = request.getParam("idleSeconds");
          if (StringUtil.isBlank(idleSecondsValue)) {
              return CommandResponse.ofFailure(new IllegalArgumentException("invalid empty idleSeconds"));
          }
          try {
              int port = Integer.valueOf(portValue);
              int idleSeconds = Integer.valueOf(idleSecondsValue);
  
              ClusterServerConfigManager.loadGlobalTransportConfig(new ServerTransportConfig()
                  .setPort(port).setIdleSeconds(idleSeconds));
              return CommandResponse.ofSuccess("success");
          } catch (NumberFormatException e) {
              return CommandResponse.ofFailure(new IllegalArgumentException("invalid parameter"));
          } catch (Exception ex) {
              return CommandResponse.ofFailure(new IllegalArgumentException("unexpected error"));
          }
      }
  }
  