| /* |
| * 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.beans; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.InetAddress; |
| import java.util.List; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.distributed.Locator; |
| import org.apache.geode.internal.cache.GemFireCacheImpl; |
| import org.apache.geode.internal.cache.InternalCache; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| import org.apache.geode.management.internal.JmxManagerAdvisor.JmxManagerProfile; |
| import org.apache.geode.management.internal.ManagementConstants; |
| |
| public class LocatorMBeanBridge { |
| private static final Logger logger = LogService.getLogger(); |
| |
| private Locator loc; |
| |
| private InternalCache cache; |
| |
| public LocatorMBeanBridge(Locator loc) { |
| this.loc = loc; |
| this.cache = GemFireCacheImpl.getInstance(); |
| } |
| |
| public String getBindAddress() { |
| InetAddress bindAddress = loc.getBindAddress(); |
| return bindAddress != null ? bindAddress.getCanonicalHostName() : null; |
| } |
| |
| public String getHostnameForClients() { |
| return loc.getHostnameForClients(); |
| } |
| |
| public String viewLog() { |
| return fetchLog(loc.getLogFile(), ManagementConstants.DEFAULT_SHOW_LOG_LINES); |
| } |
| |
| public int getPort() { |
| return loc.getPort(); |
| } |
| |
| public boolean isPeerLocator() { |
| return true; |
| } |
| |
| public boolean isServerLocator() { |
| return true; |
| } |
| |
| public String[] listManagers() { |
| if (cache != null) { |
| List<JmxManagerProfile> alreadyManaging = |
| this.cache.getJmxManagerAdvisor().adviseAlreadyManaging(); |
| if (!alreadyManaging.isEmpty()) { |
| String[] managers = new String[alreadyManaging.size()]; |
| int j = 0; |
| for (JmxManagerProfile profile : alreadyManaging) { |
| managers[j] = profile.getDistributedMember().getId(); |
| j++; |
| } |
| return managers; |
| } |
| } |
| return ManagementConstants.NO_DATA_STRING; |
| } |
| |
| public String[] listPotentialManagers() { |
| if (cache != null) { |
| List<JmxManagerProfile> willingToManage = |
| this.cache.getJmxManagerAdvisor().adviseWillingToManage(); |
| if (!willingToManage.isEmpty()) { |
| String[] managers = new String[willingToManage.size()]; |
| int j = 0; |
| for (JmxManagerProfile profile : willingToManage) { |
| managers[j] = profile.getDistributedMember().getId(); |
| j++; |
| } |
| return managers; |
| } |
| } |
| return ManagementConstants.NO_DATA_STRING; |
| } |
| |
| /** |
| * @return log of the locator. |
| */ |
| private String fetchLog(File logFile, int numLines) { |
| if (numLines > ManagementConstants.MAX_SHOW_LOG_LINES) { |
| numLines = ManagementConstants.MAX_SHOW_LOG_LINES; |
| } |
| if (numLines == 0 || numLines < 0) { |
| numLines = ManagementConstants.DEFAULT_SHOW_LOG_LINES; |
| } |
| String mainTail = null; |
| try { |
| mainTail = BeanUtilFuncs.tailSystemLog(logFile, numLines); |
| if (mainTail == null) { |
| mainTail = |
| "No log file was specified in the configuration, messages is being directed to stdout."; |
| } |
| |
| } catch (IOException e) { |
| logger.warn("Error occurred while reading log file: ", e); |
| mainTail = ""; |
| } |
| |
| StringBuffer result = new StringBuffer(); |
| if (mainTail != null) { |
| result.append(mainTail); |
| } |
| return result.toString(); |
| } |
| |
| } |