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* and Distribution License("CDDL") (collectively, the "License"). You
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/*
* @(#)ClusterMonitor.java 1.18 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.management.mbeans;
import java.util.HashMap;
import java.util.Properties;
import java.util.Iterator;
import java.util.ArrayList;
import java.util.Hashtable;
import java.net.MalformedURLException;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanNotificationInfo;
import javax.management.MBeanParameterInfo;
import javax.management.MBeanException;
import javax.management.ReflectionException;
import javax.management.RuntimeOperationsException;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeDataSupport;
import javax.management.openmbean.CompositeType;
import javax.management.openmbean.OpenType;
import javax.management.openmbean.SimpleType;
import javax.management.openmbean.OpenDataException;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jms.management.server.*;
import com.sun.messaging.jmq.jmsserver.cluster.api.*;
import com.sun.messaging.jmq.jmsserver.data.handlers.admin.GetClusterHandler;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
import com.sun.messaging.jmq.jmsserver.management.util.ClusterUtil;
import com.sun.messaging.jmq.io.MQAddress;
import com.sun.messaging.jmq.io.Status;
import com.sun.messaging.jmq.jmsserver.core.BrokerMQAddress;
public class ClusterMonitor extends MQMBeanReadOnly {
private static MBeanAttributeInfo[] attrs = {
new MBeanAttributeInfo(ClusterAttributes.CONFIG_FILE_URL,
String.class.getName(),
mbr.getString(mbr.I_CLS_ATTR_CONFIG_FILE_URL_DESC),
true,
false,
false),
new MBeanAttributeInfo(ClusterAttributes.CLUSTER_ID,
String.class.getName(),
mbr.getString(mbr.I_CLS_ATTR_CLUSTER_ID_DESC),
true,
false,
false),
new MBeanAttributeInfo(ClusterAttributes.HIGHLY_AVAILABLE,
Boolean.class.getName(),
mbr.getString(mbr.I_CLS_ATTR_HIGHLY_AVAILABLE_DESC),
true,
false,
true),
new MBeanAttributeInfo(ClusterAttributes.USE_SHARED_DATABASE_FOR_CONFIG_RECORD,
Boolean.class.getName(),
mbr.getString(mbr.I_CLS_ATTR_USE_SHARED_DATABASE_FOR_CONFIG_RECORD_DESC),
true,
false,
true),
new MBeanAttributeInfo(ClusterAttributes.LOCAL_BROKER_INFO,
CompositeData.class.getName(),
mbr.getString(mbr.I_CLS_ATTR_LOCAL_BROKER_INFO_DESC),
true,
false,
false),
new MBeanAttributeInfo(ClusterAttributes.MASTER_BROKER_INFO,
CompositeData.class.getName(),
mbr.getString(mbr.I_CLS_ATTR_MASTER_BROKER_INFO_DESC),
true,
false,
false)
};
private static MBeanParameterInfo[] getBrokerInfoByAddrSignature = {
new MBeanParameterInfo("BrokerAddress", String.class.getName(),
mbr.getString(mbr.I_CLS_OP_GET_BROKER_INFO_BY_ADDRESS_PARAM_ADDR_DESC))
};
private static MBeanParameterInfo[] getBrokerInfoByIdSignature = {
new MBeanParameterInfo("BrokerID", String.class.getName(),
mbr.getString(mbr.I_CLS_OP_GET_BROKER_INFO_BY_ID_PARAM_ID_DESC))
};
private static MBeanOperationInfo[] ops = {
new MBeanOperationInfo(ClusterOperations.GET_BROKER_ADDRESSES,
mbr.getString(mbr.I_CLS_MON_OP_GET_BROKER_ADDRESSES_DESC),
null,
String[].class.getName(),
MBeanOperationInfo.INFO),
new MBeanOperationInfo(ClusterOperations.GET_BROKER_IDS,
mbr.getString(mbr.I_CLS_MON_OP_GET_BROKER_IDS_DESC),
null,
String[].class.getName(),
MBeanOperationInfo.INFO),
new MBeanOperationInfo(ClusterOperations.GET_BROKER_INFO,
mbr.getString(mbr.I_CLS_MON_OP_GET_BROKER_INFO_DESC),
null,
CompositeData[].class.getName(),
MBeanOperationInfo.INFO),
new MBeanOperationInfo(ClusterOperations.GET_BROKER_INFO_BY_ADDRESS,
mbr.getString(mbr.I_CLS_OP_GET_BROKER_INFO_BY_ADDRESS_DESC),
getBrokerInfoByAddrSignature,
CompositeData.class.getName(),
MBeanOperationInfo.INFO),
new MBeanOperationInfo(ClusterOperations.GET_BROKER_INFO_BY_ID,
mbr.getString(mbr.I_CLS_OP_GET_BROKER_INFO_BY_ID_DESC),
getBrokerInfoByIdSignature,
CompositeData.class.getName(),
MBeanOperationInfo.INFO),
};
private static String[] clsNotificationTypes = {
ClusterNotification.CLUSTER_BROKER_DOWN,
ClusterNotification.CLUSTER_BROKER_JOIN
};
private static String[] brokerNotificationTypes = {
BrokerNotification.BROKER_TAKEOVER_COMPLETE,
BrokerNotification.BROKER_TAKEOVER_FAIL,
BrokerNotification.BROKER_TAKEOVER_START
};
private static MBeanNotificationInfo[] notifs = {
new MBeanNotificationInfo(
brokerNotificationTypes,
BrokerNotification.class.getName(),
mbr.getString(mbr.I_BKR_NOTIFICATIONS)
),
new MBeanNotificationInfo(
clsNotificationTypes,
ClusterNotification.class.getName(),
mbr.getString(mbr.I_CLS_NOTIFICATIONS)
)
};
/*
* Broker Cluster Info item names
*/
private static final String[] brokerInfoItemNames = {
BrokerClusterInfo.ADDRESS,
BrokerClusterInfo.ID,
BrokerClusterInfo.STATE,
BrokerClusterInfo.STATE_LABEL,
BrokerClusterInfo.NUM_MSGS,
BrokerClusterInfo.TAKEOVER_BROKER_ID,
BrokerClusterInfo.STATUS_TIMESTAMP
};
/*
* Broker Cluster Info item descriptions
* TBD: use real descriptions
*/
private static final String[] brokerInfoItemDesc = brokerInfoItemNames;
/*
* Broker Cluster Info item types
*/
private static final OpenType[] itemTypes = {
SimpleType.STRING, // address
SimpleType.STRING, // id
SimpleType.INTEGER, // state
SimpleType.STRING, // state label
SimpleType.LONG, // num msgs
SimpleType.STRING, // takeover broker id
SimpleType.LONG // timestamp
};
/*
* Broker Cluster Info composite type.
*/
private CompositeType compType = null;
public ClusterMonitor() {
super();
}
public String getConfigFileURL() {
Properties brokerProps = Globals.getConfig().toProperties();
return (brokerProps.getProperty(Globals.IMQ + ".cluster.url"));
}
public String getClusterID() {
return (Globals.getClusterID());
}
public Boolean isHighlyAvailable() {
return(getHighlyAvailable());
}
public Boolean getHighlyAvailable() {
return (Boolean.valueOf(Globals.getHAEnabled()));
}
public Boolean isUseSharedDatabaseForConfigRecord() {
return(getUseSharedDatabaseForConfigRecord());
}
public Boolean getUseSharedDatabaseForConfigRecord() {
return (Boolean.valueOf(Globals.useSharedConfigRecord()));
}
public CompositeData getLocalBrokerInfo() throws MBeanException {
ClusterManager cm = Globals.getClusterManager();
CompositeData cd = null;
if (cm == null) {
return (null);
}
MQAddress address = cm.getMQAddress();
String id = null;
try {
id = cm.lookupBrokerID(BrokerMQAddress.createAddress(address.toString()));
} catch (Exception e) {
handleGetterException(ClusterAttributes.LOCAL_BROKER_INFO, e);
}
if ((id == null) || (id.equals(""))) {
return (null);
}
try {
ClusteredBroker cb = cm.getBroker(id);
if (cb == null) {
return (null);
}
cd = getCompositeData(cb);
} catch (Exception e) {
handleGetterException(ClusterAttributes.LOCAL_BROKER_INFO, e);
}
return(cd);
}
public String getMasterBroker() {
Properties brokerProps = Globals.getConfig().toProperties();
return (brokerProps.getProperty(Globals.IMQ + ".cluster.masterbroker"));
}
public CompositeData getMasterBrokerInfo() throws MBeanException {
if (Globals.getHAEnabled()) {
return (null);
}
if (Globals.useSharedConfigRecord()) {
return (null);
}
String mbAddr = getMasterBroker();
ClusterManager cm = Globals.getClusterManager();
CompositeData cd = null;
if (cm == null) {
return (null);
}
String id = null;
try {
id = cm.lookupBrokerID(BrokerMQAddress.createAddress(mbAddr));
} catch (Exception e) {
handleGetterException(ClusterAttributes.MASTER_BROKER_INFO, e);
}
if ((id == null) || (id.equals(""))) {
return (null);
}
try {
ClusteredBroker cb = cm.getBroker(id);
if (cb == null) {
return (null);
}
cd = getCompositeData(cb);
} catch (Exception e) {
handleGetterException(ClusterAttributes.MASTER_BROKER_INFO, e);
}
return(cd);
}
public String[] getBrokerAddresses() {
return(getBrokerIDsOrAddresses(false));
}
public String[] getBrokerIDs() {
if (!Globals.getHAEnabled()) {
return (null);
}
return(getBrokerIDsOrAddresses(true));
}
private String[] getBrokerIDsOrAddresses(boolean getID) {
ClusterManager cm = Globals.getClusterManager();
ArrayList al = new ArrayList();
String list[] = null;
if (cm == null) {
return (null);
}
Iterator itr = cm.getKnownBrokers(true);
if (itr == null) {
return (null);
}
while (itr.hasNext()) {
ClusteredBroker cb = (ClusteredBroker)itr.next();
Hashtable bkrInfo = GetClusterHandler.getBrokerClusterInfo(cb, logger);
if (bkrInfo == null) {
logger.log(logger.WARNING,
"MBean: "
+ getMBeanName()
+ "Problem encountered while constructing list of broker IDs or addresses, continuing...");
continue;
}
String idOrAddress;
if (getID) {
idOrAddress = (String)bkrInfo.get(BrokerClusterInfo.ID);
} else {
idOrAddress = (String)bkrInfo.get(BrokerClusterInfo.ADDRESS);
}
if (idOrAddress == null) {
logger.log(logger.WARNING,
"MBean: "
+ getMBeanName()
+ "Problem encountered while constructing list of broker IDs or addresses, continuing...");
continue;
}
al.add(idOrAddress);
}
list = new String [ al.size() ];
list = (String[])al.toArray(list);
return (list);
}
public CompositeData[] getBrokerInfo() throws MBeanException {
ClusterManager cm = Globals.getClusterManager();
CompositeData cds[] = null;
ArrayList al = new ArrayList();
if (cm == null) {
return (null);
}
Iterator itr = cm.getKnownBrokers(true);
if (itr == null) {
return (null);
}
while (itr.hasNext()) {
ClusteredBroker cb = (ClusteredBroker)itr.next();
try {
CompositeData cd = getCompositeData(cb);
al.add(cd);
} catch (Exception e) {
handleOperationException(ClusterOperations.GET_BROKER_INFO, e);
}
}
cds = new CompositeData [ al.size() ];
cds = (CompositeData[])al.toArray(cds);
return (cds);
}
public CompositeData getBrokerInfoByAddress(String address) throws MBeanException {
ClusterManager cm = Globals.getClusterManager();
CompositeData cd = null;
if (cm == null) {
return (null);
}
String id = null;
try {
id = cm.lookupBrokerID(BrokerMQAddress.createAddress(address));
} catch (Exception e) {
handleOperationException(ClusterOperations.GET_BROKER_INFO_BY_ADDRESS, e);
}
if ((id == null) || (id.equals(""))) {
return (null);
}
try {
ClusteredBroker cb = cm.getBroker(id);
if (cb == null) {
return (null);
}
cd = getCompositeData(cb);
} catch (Exception e) {
handleOperationException(ClusterOperations.GET_BROKER_INFO_BY_ADDRESS, e);
}
return(cd);
}
public CompositeData getBrokerInfoByID(String id) throws MBeanException {
ClusterManager cm = Globals.getClusterManager();
CompositeData cd = null;
if (!Globals.getHAEnabled()) {
return (null);
}
try {
if (cm == null) {
return (null);
}
ClusteredBroker cb = cm.getBroker(id);
if (cb == null) {
return (null);
}
cd = getCompositeData(cb);
} catch (Exception e) {
handleOperationException(ClusterOperations.GET_BROKER_INFO_BY_ID, e);
}
return(cd);
}
private CompositeData getCompositeData(ClusteredBroker cb)
throws OpenDataException {
CompositeData cds = null;
Hashtable bkrInfo = GetClusterHandler.getBrokerClusterInfo(cb, logger);
String id = null;
if (Globals.getHAEnabled()) {
id = (String)bkrInfo.get(BrokerClusterInfo.ID);
}
Object[] brokerInfoItemValues = {
bkrInfo.get(BrokerClusterInfo.ADDRESS),
id,
bkrInfo.get(BrokerClusterInfo.STATE),
com.sun.messaging.jms.management.server.BrokerState.
toString(((Integer)bkrInfo.get(BrokerClusterInfo.STATE)).intValue()),
bkrInfo.get(BrokerClusterInfo.NUM_MSGS),
bkrInfo.get(BrokerClusterInfo.TAKEOVER_BROKER_ID),
bkrInfo.get(BrokerClusterInfo.STATUS_TIMESTAMP)
};
if (compType == null) {
compType = new CompositeType("BrokerClusterInfo", "BrokerClusterInfo",
brokerInfoItemNames, brokerInfoItemDesc, itemTypes);
}
cds = new CompositeDataSupport(compType, brokerInfoItemNames, brokerInfoItemValues);
return (cds);
}
public String getMBeanName() {
return ("ClusterMonitor");
}
public String getMBeanDescription() {
return (mbr.getString(mbr.I_CLS_MON_DESC));
}
public MBeanAttributeInfo[] getMBeanAttributeInfo() {
return (attrs);
}
public MBeanOperationInfo[] getMBeanOperationInfo() {
return (ops);
}
public MBeanNotificationInfo[] getMBeanNotificationInfo() {
return (notifs);
}
public void notifyTakeoverStart(String brokerID) {
BrokerNotification n;
CompositeData cd;
n = new BrokerNotification(BrokerNotification.BROKER_TAKEOVER_START,
this, sequenceNumber++);
n.setFailedBrokerID(brokerID);
try {
cd = getLocalBrokerInfo();
/*
* This notification will be sent only by brokers in a HA Cluster
*/
n.setBrokerAddress((String)cd.get(BrokerClusterInfo.ADDRESS));
n.setBrokerID((String)cd.get(BrokerClusterInfo.ID));
} catch (MBeanException e) {
logger.log(logger.WARNING,
"MBean: "
+ getMBeanName()
+ "Problem encountered while sending notification "
+ BrokerNotification.BROKER_TAKEOVER_START);
}
sendNotification(n);
}
public void notifyTakeoverComplete(String brokerID) {
BrokerNotification n;
CompositeData cd;
n = new BrokerNotification(BrokerNotification.BROKER_TAKEOVER_COMPLETE,
this, sequenceNumber++);
n.setFailedBrokerID(brokerID);
try {
cd = getLocalBrokerInfo();
/*
* This notification will be sent only by brokers in a HA Cluster
*/
n.setBrokerAddress((String)cd.get(BrokerClusterInfo.ADDRESS));
n.setBrokerID((String)cd.get(BrokerClusterInfo.ID));
} catch (MBeanException e) {
logger.log(logger.WARNING,
"MBean: "
+ getMBeanName()
+ "Problem encountered while sending notification "
+ BrokerNotification.BROKER_TAKEOVER_COMPLETE);
}
sendNotification(n);
}
public void notifyTakeoverFail(String brokerID) {
BrokerNotification n;
CompositeData cd;
n = new BrokerNotification(BrokerNotification.BROKER_TAKEOVER_FAIL,
this, sequenceNumber++);
n.setFailedBrokerID(brokerID);
try {
cd = getLocalBrokerInfo();
/*
* This notification will be sent only by brokers in a HA Cluster
*/
n.setBrokerAddress((String)cd.get(BrokerClusterInfo.ADDRESS));
n.setBrokerID((String)cd.get(BrokerClusterInfo.ID));
} catch (MBeanException e) {
logger.log(logger.WARNING,
"MBean: "
+ getMBeanName()
+ "Problem encountered while sending notification "
+ BrokerNotification.BROKER_TAKEOVER_FAIL);
}
sendNotification(n);
}
public void notifyClusterBrokerDown(String brokerID) {
ClusterNotification n;
n = new ClusterNotification(ClusterNotification.CLUSTER_BROKER_DOWN,
this, sequenceNumber++);
n.setBrokerAddress(ClusterUtil.getShortBrokerAddress(brokerID));
n.setHighlyAvailable(Globals.getHAEnabled());
if (n.isHighlyAvailable()) {
n.setClusterID(Globals.getClusterID());
n.setBrokerID(brokerID);
} else {
n.setMasterBroker(ClusterUtil.isMasterBroker(n.getBrokerAddress()));
}
sendNotification(n);
}
public void notifyClusterBrokerJoin(String brokerID) {
ClusterNotification n;
n = new ClusterNotification(ClusterNotification.CLUSTER_BROKER_JOIN,
this, sequenceNumber++);
n.setBrokerAddress(ClusterUtil.getShortBrokerAddress(brokerID));
n.setHighlyAvailable(Globals.getHAEnabled());
if (n.isHighlyAvailable()) {
n.setClusterID(Globals.getClusterID());
n.setBrokerID(brokerID);
} else {
n.setMasterBroker(ClusterUtil.isMasterBroker(n.getBrokerAddress()));
}
sendNotification(n);
}
}
