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/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* 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. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.management.internal.beans;
import java.io.File;
import java.io.IOException;
import java.util.List;
import com.gemstone.gemfire.distributed.Locator;
import com.gemstone.gemfire.distributed.internal.InternalDistributedSystem;
import com.gemstone.gemfire.i18n.LogWriterI18n;
import com.gemstone.gemfire.internal.Assert;
import com.gemstone.gemfire.internal.ManagerLogWriter;
import com.gemstone.gemfire.internal.cache.GemFireCacheImpl;
import com.gemstone.gemfire.internal.i18n.LocalizedStrings;
import com.gemstone.gemfire.management.internal.ManagementConstants;
import com.gemstone.gemfire.management.internal.ManagementStrings;
import com.gemstone.gemfire.management.internal.JmxManagerAdvisor.JmxManagerProfile;
/**
*
* @author rishim
*
*/
public class LocatorMBeanBridge {
private Locator loc;
private InternalDistributedSystem system;
private GemFireCacheImpl cache;
/**
* Logger
*/
private LogWriterI18n logger;
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 loc.isPeerLocator();
}
public boolean isServerLocator() {
return loc.isServerLocator();
}
public String[] listManagers() {
if (cache != null) {
List 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 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
.warning(
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();
}
}
}