| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You 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 org.apache.geode.management.internal.cli.commands; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.management.ObjectName; |
| |
| import org.springframework.shell.core.annotation.CliCommand; |
| |
| import org.apache.geode.management.CacheServerMXBean; |
| import org.apache.geode.management.ManagementService; |
| import org.apache.geode.management.cli.CliMetaData; |
| import org.apache.geode.management.cli.GfshCommand; |
| import org.apache.geode.management.internal.cli.LogWrapper; |
| import org.apache.geode.management.internal.cli.i18n.CliStrings; |
| import org.apache.geode.management.internal.cli.result.model.ResultModel; |
| import org.apache.geode.management.internal.cli.result.model.TabularResultModel; |
| import org.apache.geode.management.internal.security.ResourceOperation; |
| import org.apache.geode.security.ResourcePermission; |
| |
| public class ListClientCommand extends GfshCommand { |
| @CliCommand(value = CliStrings.LIST_CLIENTS, help = CliStrings.LIST_CLIENT__HELP) |
| @CliMetaData(relatedTopic = {CliStrings.TOPIC_CLIENT}) |
| @ResourceOperation(resource = ResourcePermission.Resource.CLUSTER, |
| operation = ResourcePermission.Operation.READ) |
| public ResultModel listClient() throws Exception { |
| ResultModel result = new ResultModel(); |
| |
| TabularResultModel resultTable = result.addTable("clientList"); |
| String headerText = "Client List"; |
| resultTable.setHeader(headerText); |
| |
| ManagementService service = getManagementService(); |
| ObjectName[] cacheServers = service.getDistributedSystemMXBean().listCacheServerObjectNames(); |
| |
| if (cacheServers.length == 0) { |
| return ResultModel.createInfo( |
| CliStrings.format(CliStrings.LIST_CLIENT_COULD_NOT_RETRIEVE_SERVER_LIST)); |
| } |
| |
| Map<String, List<String>> clientServerMap = new HashMap<>(); |
| |
| for (ObjectName objName : cacheServers) { |
| CacheServerMXBean serverMbean = service.getMBeanInstance(objName, CacheServerMXBean.class); |
| String[] listOfClient = serverMbean.getClientIds(); |
| |
| if (listOfClient == null || listOfClient.length == 0) { |
| continue; |
| } |
| |
| |
| for (String clientName : listOfClient) { |
| String serverDetails = "member=" + objName.getKeyProperty("member") + ",port=" |
| + objName.getKeyProperty("port"); |
| if (clientServerMap.containsKey(clientName)) { |
| List<String> listServers = clientServerMap.get(clientName); |
| listServers.add(serverDetails); |
| } else { |
| List<String> listServer = new ArrayList<>(); |
| listServer.add(serverDetails); |
| clientServerMap.put(clientName, listServer); |
| } |
| } |
| } |
| |
| if (clientServerMap.size() == 0) { |
| return ResultModel.createInfo( |
| CliStrings.format(CliStrings.LIST_COULD_NOT_RETRIEVE_CLIENT_LIST)); |
| } |
| |
| String memberSeparator = "; "; |
| |
| for (Map.Entry<String, List<String>> pairs : clientServerMap.entrySet()) { |
| String client = pairs.getKey(); |
| List<String> servers = pairs.getValue(); |
| StringBuilder serverListForClient = new StringBuilder(); |
| int serversSize = servers.size(); |
| int i = 0; |
| for (String server : servers) { |
| serverListForClient.append(server); |
| if (i < serversSize - 1) { |
| serverListForClient.append(memberSeparator); |
| } |
| i++; |
| } |
| resultTable.accumulate(CliStrings.LIST_CLIENT_COLUMN_Clients, client); |
| resultTable.accumulate(CliStrings.LIST_CLIENT_COLUMN_SERVERS, serverListForClient.toString()); |
| } |
| |
| LogWrapper.getInstance(getCache()).info("list client result " + result); |
| |
| return result; |
| } |
| } |