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/*
* @(#)ClusterConfig.java 1.17 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.management.mbeans;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Properties;
import java.util.Date;
import java.util.Iterator;
import java.util.ArrayList;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanNotificationInfo;
import javax.management.MBeanParameterInfo;
import javax.management.AttributeChangeNotification;
import javax.management.MBeanException;
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 com.sun.messaging.jmq.Version;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.config.ConfigListener;
import com.sun.messaging.jmq.jmsserver.config.PropertyUpdateException;
import com.sun.messaging.jmq.jmsserver.cluster.*;
import com.sun.messaging.jmq.jmsserver.data.handlers.admin.GetClusterHandler;
import com.sun.messaging.jmq.io.MQAddress;
import com.sun.messaging.jmq.io.Status;
import com.sun.messaging.jmq.jmsserver.core.BrokerMQAddress;
import com.sun.messaging.jmq.jmsserver.management.util.ClusterUtil;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
import com.sun.messaging.jms.management.server.*;
public class ClusterConfig extends MQMBeanReadWrite
implements ConfigListener {
private Properties brokerProps = null;
private static MBeanAttributeInfo[] attrs = {
new MBeanAttributeInfo(ClusterAttributes.CONFIG_FILE_URL,
String.class.getName(),
mbr.getString(mbr.I_CLS_ATTR_CONFIG_FILE_URL_DESC),
true,
true,
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 MBeanParameterInfo[] changeMasterBrokerSignature = {
new MBeanParameterInfo("oldMasterBroker", String.class.getName(),
mbr.getString(mbr.I_CLS_OP_CHANGE_MASTER_BROKER_PARAM_OLDMASTERBROKER_DESC)),
new MBeanParameterInfo("newMasterBroker", String.class.getName(),
mbr.getString(mbr.I_CLS_OP_CHANGE_MASTER_BROKER_PARAM_NEWMASTERBROKER_DESC))
};
private static MBeanOperationInfo[] ops = {
new MBeanOperationInfo(ClusterOperations.GET_BROKER_ADDRESSES,
mbr.getString(mbr.I_CLS_CFG_OP_GET_BROKER_ADDRESSES_DESC),
null,
String[].class.getName(),
MBeanOperationInfo.INFO),
new MBeanOperationInfo(ClusterOperations.GET_BROKER_IDS,
mbr.getString(mbr.I_CLS_CFG_OP_GET_BROKER_IDS_DESC),
null,
String[].class.getName(),
MBeanOperationInfo.INFO),
new MBeanOperationInfo(ClusterOperations.GET_BROKER_INFO,
mbr.getString(mbr.I_CLS_CFG_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),
new MBeanOperationInfo(ClusterOperations.CHANGE_MASTER_BROKER,
mbr.getString(mbr.I_CLS_OP_CHANGE_MASTER_BROKER),
changeMasterBrokerSignature,
CompositeData.class.getName(),
MBeanOperationInfo.ACTION),
new MBeanOperationInfo(ClusterOperations.RELOAD,
mbr.getString(mbr.I_CLS_CFG_OP_RELOAD_DESC),
null,
Void.TYPE.getName(),
MBeanOperationInfo.ACTION)
};
private static String[] attrChangeTypes = {
AttributeChangeNotification.ATTRIBUTE_CHANGE
};
private static MBeanNotificationInfo[] notifs = {
new MBeanNotificationInfo(
attrChangeTypes,
AttributeChangeNotification.class.getName(),
mbr.getString(mbr.I_ATTR_CHANGE_NOTIFICATION)
)
};
public ClusterConfig() {
super();
initProps();
com.sun.messaging.jmq.jmsserver.config.BrokerConfig cfg = Globals.getConfig();
cfg.addListener("imq.cluster.url", this);
}
public void setConfigFileURL(String s) throws MBeanException {
Properties p = new Properties();
p.setProperty("imq.cluster.url", s);
try {
com.sun.messaging.jmq.jmsserver.config.BrokerConfig cfg = Globals.getConfig();
cfg.updateProperties(p, true);
} catch (Exception e) {
handleSetterException(ClusterAttributes.CONFIG_FILE_URL, e);
}
}
public String getConfigFileURL() {
return (brokerProps.getProperty(Globals.IMQ + ".cluster.url"));
}
public String getClusterID() {
return (Globals.getClusterID());
}
public Boolean isUseSharedDatabaseForConfigRecord() {
return(getUseSharedDatabaseForConfigRecord());
}
public Boolean getUseSharedDatabaseForConfigRecord() {
return (Boolean.valueOf(Globals.useSharedConfigRecord()));
}
public Boolean isHighlyAvailable() {
return(getHighlyAvailable());
}
public Boolean getHighlyAvailable() {
return (Boolean.valueOf(Globals.getHAEnabled()));
}
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 = ClusterUtil.getConfigCompositeData(cb);
} catch (Exception e) {
handleGetterException(ClusterAttributes.LOCAL_BROKER_INFO, e);
}
return(cd);
}
public String getMasterBroker() {
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 = ClusterUtil.getConfigCompositeData(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.getConfigBrokers();
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.getConfigBrokers();
if (itr == null) {
return (null);
}
while (itr.hasNext()) {
ClusteredBroker cb = (ClusteredBroker)itr.next();
try {
CompositeData cd = ClusterUtil.getConfigCompositeData(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 = ClusterUtil.getConfigCompositeData(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);
}
/*
* FIXME: Check if id is in *configured* id List
*/
try {
if (cm == null) {
return (null);
}
ClusteredBroker cb = cm.getBroker(id);
if (cb == null) {
return (null);
}
cd = ClusterUtil.getConfigCompositeData(cb);
} catch (Exception e) {
handleOperationException(ClusterOperations.GET_BROKER_INFO_BY_ID, e);
}
return(cd);
}
public CompositeData changeMasterBroker(String oldMasterBroker, String newMasterBroker) throws MBeanException {
CompositeData result = null;
String[] itemNames = { ChangeMasterBrokerResultInfo.SUCCESS, ChangeMasterBrokerResultInfo.STATUS_CODE, ChangeMasterBrokerResultInfo.DETAIL_MESSAGE };
String[] itemDescriptions = { ChangeMasterBrokerResultInfo.SUCCESS, ChangeMasterBrokerResultInfo.STATUS_CODE, ChangeMasterBrokerResultInfo.DETAIL_MESSAGE };
OpenType[] itemTypes = {
SimpleType.BOOLEAN, // success flag
SimpleType.INTEGER, // status code
SimpleType.STRING, // detail message
};
BrokerMQAddress oldmba = null;
BrokerMQAddress newmba = null;
try {
oldmba = BrokerMQAddress.createAddress(oldMasterBroker);
newmba = BrokerMQAddress.createAddress(newMasterBroker);
} catch (Exception e) {
handleOperationException(ClusterOperations.GET_BROKER_INFO_BY_ID, e);
// does not return
}
Boolean success = null;
Integer statusCode=null;
String errorCode=null;
try {
Globals.getClusterBroadcast().changeMasterBroker(newmba, oldmba);
success = Boolean.TRUE;
statusCode = 0;
errorCode="";
} catch (BrokerException e) {
success = Boolean.FALSE;
statusCode = e.getStatusCode();
errorCode = e.getMessage()+"["+Status.getString(statusCode)+"]";
}
Object[] itemValues = { success, statusCode, errorCode };
try {
CompositeType changeMasterBrokerCompositeType = new CompositeType("ChangeMasterBrokerResult",
"ChangeMasterBrokerResult", itemNames, itemDescriptions, itemTypes);
result = new CompositeDataSupport(changeMasterBrokerCompositeType, itemNames, itemValues);
} catch (Exception e) {
handleOperationException(ClusterOperations.GET_BROKER_INFO_BY_ID, e);
// does not return
}
return result;
}
public void reload() throws MBeanException {
try {
Globals.getClusterBroadcast().reloadCluster();
} catch (Exception e) {
handleOperationException(ClusterOperations.RELOAD, e);
}
}
public String getMBeanName() {
return ("ClusterConfig");
}
public String getMBeanDescription() {
return (mbr.getString(mbr.I_CLS_CFG_DESC));
}
public MBeanAttributeInfo[] getMBeanAttributeInfo() {
return (attrs);
}
public MBeanOperationInfo[] getMBeanOperationInfo() {
return (ops);
}
public MBeanNotificationInfo[] getMBeanNotificationInfo() {
return (notifs);
}
public void validate(String name, String value)
throws PropertyUpdateException {
}
public boolean update(String name, String value) {
Object newVal, oldVal;
/*
System.err.println("### cl.update called: "
+ name
+ "="
+ value);
*/
if (name.equals("imq.cluster.url")) {
newVal = value;
oldVal = getConfigFileURL();
notifyAttrChange(ClusterAttributes.CONFIG_FILE_URL,
newVal, oldVal);
}
initProps();
return true;
}
public void notifyAttrChange(String attrName, Object newVal, Object oldVal) {
sendNotification(
new AttributeChangeNotification(this, sequenceNumber++, new Date().getTime(),
"Attribute change", attrName, newVal.getClass().getName(),
oldVal, newVal));
}
private void initProps() {
brokerProps = Globals.getConfig().toProperties();
Version version = Globals.getVersion();
brokerProps.putAll(version.getProps());
}
}