/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.txn.subsystem;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
import javax.management.AttributeList;
import javax.management.InstanceNotFoundException;
import javax.management.IntrospectionException;
import javax.management.JMException;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanInfo;
import javax.management.MBeanServer;
import javax.management.MBeanServerConnection;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectInstance;
import javax.management.ObjectName;
import javax.management.ReflectionException;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
/**
* Handler for exposing transaction logs
*
* @author <a href="stefano.maestri@redhat.com">Stefano Maestri</a> (c) 2011 Red Hat Inc.
* @author <a href="mmusgrove@redhat.com">Mike Musgrove</a> (c) 2012 Red Hat Inc.
*/
public class LogStoreProbeHandler implements OperationStepHandler {
static final LogStoreProbeHandler INSTANCE = new LogStoreProbeHandler();
static final String osMBeanName = "jboss.jta:type=ObjectStore";
static final String JNDI_PROPNAME =
LogStoreConstants.MODEL_TO_JMX_PARTICIPANT_NAMES.get(LogStoreConstants.JNDI_ATTRIBUTE);
private Map<String, String> getMBeanValues(MBeanServerConnection cnx, ObjectName on, String ... attributeNames)
throws InstanceNotFoundException, IOException, ReflectionException, IntrospectionException {
if (attributeNames == null) {
MBeanInfo info = cnx.getMBeanInfo( on );
MBeanAttributeInfo[] attributeArray = info.getAttributes();
int i = 0;
attributeNames = new String[attributeArray.length];
for (MBeanAttributeInfo ai : attributeArray)
attributeNames[i++] = ai.getName();
}
AttributeList attributes = cnx.getAttributes(on, attributeNames);
Map<String, String> values = new HashMap<String, String>();
for (javax.management.Attribute attribute : attributes.asList()) {
Object value = attribute.getValue();
values.put(attribute.getName(), value == null ? "" : value.toString());
}
return values;
}
private void addAttributes(ModelNode node, Map<String, String> model2JmxNames, Map<String, String> attributes) {
for (Map.Entry<String, String> e : model2JmxNames.entrySet()) {
String attributeValue = attributes.get(e.getValue());
if (attributeValue != null)
node.get(e.getKey()).set(attributeValue);
}
}
private void addParticipants(final Resource parent, Set<ObjectInstance> participants, MBeanServer mbs)
throws IntrospectionException, InstanceNotFoundException, IOException, ReflectionException {
int i = 1;
for (ObjectInstance participant : participants) {
final Resource resource = new LogStoreResource.LogStoreRuntimeResource(participant.getObjectName());
final ModelNode model = resource.getModel();
Map<String, String> pAttributes = getMBeanValues(mbs, participant.getObjectName(),
LogStoreConstants.PARTICIPANT_JMX_NAMES);
String pAddress = pAttributes.get(JNDI_PROPNAME);
if (pAddress == null || pAddress.length() == 0) {
pAttributes.put(JNDI_PROPNAME, String.valueOf(i++));
pAddress = pAttributes.get(JNDI_PROPNAME);
}
addAttributes(model, LogStoreConstants.MODEL_TO_JMX_PARTICIPANT_NAMES, pAttributes);
// model.get(LogStoreConstants.JMX_ON_ATTRIBUTE).set(participant.getObjectName().getCanonicalName());
final PathElement element = PathElement.pathElement(LogStoreConstants.PARTICIPANTS, pAddress);
parent.registerChild(element, resource);
}
}
private void addTransactions(final Resource parent, Set<ObjectInstance> transactions, MBeanServer mbs)
throws IntrospectionException, InstanceNotFoundException, IOException,
ReflectionException, MalformedObjectNameException {
for (ObjectInstance oi : transactions) {
String transactionId = oi.getObjectName().getCanonicalName();
if (!transactionId.contains("puid") && transactionId.contains("itype")) {
final Resource transaction = new LogStoreResource.LogStoreRuntimeResource(oi.getObjectName());
final ModelNode model = transaction.getModel();
Map<String, String> tAttributes = getMBeanValues(
mbs, oi.getObjectName(), LogStoreConstants.TXN_JMX_NAMES);
String txnId = tAttributes.get("Id");
addAttributes(model, LogStoreConstants.MODEL_TO_JMX_TXN_NAMES, tAttributes);
// model.get(LogStoreConstants.JMX_ON_ATTRIBUTE).set(transactionId);
String participantQuery = transactionId + ",puid=*";
Set<ObjectInstance> participants = mbs.queryMBeans(new ObjectName(participantQuery), null);
addParticipants(transaction, participants, mbs);
final PathElement element = PathElement.pathElement(LogStoreConstants.TRANSACTIONS, txnId);
parent.registerChild(element, transaction);
}
}
}
private Resource probeTransactions(MBeanServer mbs, boolean exposeAllLogs)
throws OperationFailedException {
try {
ObjectName on = new ObjectName(osMBeanName);
mbs.setAttribute(on, new javax.management.Attribute("ExposeAllRecordsAsMBeans", Boolean.valueOf(exposeAllLogs)));
mbs.invoke(on, "probe", null, null);
Set<ObjectInstance> transactions = mbs.queryMBeans(new ObjectName(osMBeanName + ",*"), null);
final Resource resource = Resource.Factory.create();
addTransactions(resource, transactions, mbs);
return resource;
} catch (JMException e) {
throw new OperationFailedException("Transaction discovery error: ", e);
} catch (IOException e) {
throw new OperationFailedException("Transaction discovery error: ", e);
}
}
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
if(! context.isNormalServer()) {
context.completeStep(OperationContext.RollbackHandler.NOOP_ROLLBACK_HANDLER);
return;
}
final MBeanServer mbs = TransactionExtension.getMBeanServer(context);
if (mbs != null) {
// Get the log-store resource
final Resource resource = context.readResource(PathAddress.EMPTY_ADDRESS);
assert resource instanceof LogStoreResource;
final LogStoreResource logStore = (LogStoreResource) resource;
// Get the expose-all-logs parameter value
final ModelNode subModel = context.readResource(PathAddress.EMPTY_ADDRESS).getModel();
final boolean exposeAllLogs = LogStoreConstants.EXPOSE_ALL_LOGS.resolveModelAttribute(context, subModel).asBoolean();
final Resource storeModel = probeTransactions(mbs, exposeAllLogs);
// Replace the current model with an updated one
context.acquireControllerLock();
// WFLY-3020 -- don't drop the root model
storeModel.writeModel(logStore.getModel());
logStore.update(storeModel);
}
context.completeStep(OperationContext.RollbackHandler.NOOP_ROLLBACK_HANDLER);
}
}