/*
* 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.util.List;
import org.apache.logging.log4j.Logger;
import org.apache.geode.distributed.Locator;
import org.apache.geode.distributed.internal.InternalDistributedSystem;
import org.apache.geode.internal.cache.GemFireCacheImpl;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.LogService;
import org.apache.geode.internal.logging.log4j.LocalizedMessage;
import org.apache.geode.management.internal.JmxManagerAdvisor.JmxManagerProfile;
import org.apache.geode.management.internal.ManagementConstants;
import org.apache.geode.management.internal.ManagementStrings;
/**
*
*
*/
public class LocatorMBeanBridge {
private static final Logger logger = LogService.getLogger();
private Locator loc;
private InternalDistributedSystem system;
private GemFireCacheImpl cache;
public LocatorMBeanBridge(Locator loc) {
this.loc = loc;
this.system = (InternalDistributedSystem) loc.getDistributedSystem();
this.cache = GemFireCacheImpl.getInstance();
}
public String getBindAddress() {
return loc.getBindAddress().getCanonicalHostName();
}
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 {
InternalDistributedSystem sys = system;
mainTail = BeanUtilFuncs.tailSystemLog(logFile, numLines);
if (mainTail == null) {
mainTail =
ManagementStrings.TailLogResponse_NO_LOG_FILE_WAS_SPECIFIED_IN_THE_CONFIGURATION_MESSAGES_IS_BEING_DIRECTED_TO_STDOUT
.toLocalizedString();
}
} catch (IOException e) {
logger.warn(LocalizedMessage.create(
ManagementStrings.TailLogResponse_ERROR_OCCURRED_WHILE_READING_LOGFILE_LOG__0, e));
mainTail = "";
}
if (mainTail == null) {
return LocalizedStrings.SystemMemberImpl_NO_LOG_FILE_CONFIGURED_LOG_MESSAGES_WILL_BE_DIRECTED_TO_STDOUT
.toLocalizedString();
} else {
StringBuffer result = new StringBuffer();
if (mainTail != null) {
result.append(mainTail);
}
return result.toString();
}
}
}