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/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
package com.sun.mfwk.agent.appserv;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.ByteArrayInputStream;
import java.io.ObjectInputStream;
import java.util.Map;
import java.util.HashMap;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.cacao.DeploymentDescriptor;
import com.sun.mfwk.MfAbstractCpModule;
import com.sun.mfwk.MfMonitoringState;
import com.sun.mfwk.MfStatesManager;
import com.sun.mfwk.discovery.MfDiscoveryInfo;
import com.sun.mfwk.discovery.MfDiscoveryParameters;
import com.sun.mfwk.discovery.MfDiscoveryService;
import com.sun.mfwk.util.log.MfLogService;
import javax.management.remote.JMXConnector;
import javax.management.ObjectName;
import javax.management.Notification;
import javax.management.NotificationListener;
import javax.management.NotificationFilterSupport;
import javax.management.MBeanServerConnection;
import com.sun.mfwk.CMM_MBean;
import com.sun.mfwk.MfAgentNode;
import com.sun.mfwk.MfDelegate;
import com.sun.mfwk.MfDelegateFactory;
import com.sun.mfwk.MfInstanceID;
import com.sun.mfwk.MfObjectFactory;
import com.sun.mfwk.agent.appserv.util.Constants;
import com.sun.mfwk.agent.appserv.logging.LogDomains;
import com.sun.mfwk.agent.appserv.connection.ConnectionRegistry;
import com.sun.mfwk.agent.appserv.connection.TrustAnyConnectionFactory;
import com.sun.mfwk.agent.appserv.modeler.MBeanModeler;
import java.security.cert.Certificate;
import java.io.IOException;
/**
* AsExampleModule is a class provided as an example of a AS Module.
* Extends the MfAbstractCpModule.
*/
public class ASModule extends MfAbstractCpModule
implements NotificationListener {
/**
* Creates a new instance of AsExampleModule
*
* @param moduleName module name : com.sun.cmm.as
* @param productName name of the product
* @param installedLocation installation directory of
* Java ES Application Server Product
* @param supportedMIBs names of MIBS that should be supported by
* Java ES Monitoring framework
* @param buildNumber of the installed product
* @param patchId of the installed product
* @param revisionNumber of the installed product
* @param installDate installed date of the installed product
*/
public ASModule(DeploymentDescriptor descriptor) {
super(descriptor);
logger.entering(sourceClass, "Constructor", new Object[] {descriptor});
logger.exiting(sourceClass, "Constructor finish");
}
/**
* Implements the required initialize method as specified by the
* MfAbstractCpModule class
*
* @throws java.lang.Exception if the module could not be initialized
*/
public void initialize() throws Exception {
logger.entering(sourceClass, "initialize");
try {
Properties properties = descriptor.getParameters();
} catch(Exception e) {
}
// add discovery listener
addDiscoveryListener();
logger.exiting(sourceClass, "initialize");
}
/**
* Starts the module and call the initialize abstract method that should be implemented by each
* by each Component Product Module.
* A Component Product that does not use the Java ES MF instrumentation toolkit to instrument
* their source code, has to provide a Module class that extends the MfAbstractCpModule.
* A default implementation of MfAbsractCpModule is provided : MfCpModule class.
* This implementation is dedicated to Component Product using the Java ES MF instrumentstion
* toolkit.
* @throws java.lang.Exception if a problem occurred
*/
public void start() {
logger.entering(sourceClass,"start", this.moduleName);
// create my factory for the module
try {
// delegate factory
Map delegateMap = MBeanModeler.getDelegateMap();
delegateMap.put("CMM_InstalledProduct", com.sun.mfwk.MfInstalledProductDelegateSupport.class);
logger.fine(sourceClass + " Creates the ObjectFactory for " + this.moduleName);
objectFactory = MfObjectFactory.getObjectFactory(this.moduleName);
// Create the delegateFactory for the module and the list of supported interfaces
logger.fine(sourceClass+" Creates the delegateFactory for " + moduleName);
delegateFactory = objectFactory.getDelegateFactory(delegateMap);
logger.fine(sourceClass + " Creates the CMM_InstalledProduct");
String installedProductInstanceId = MfInstanceID.getInstanceID(installedProductInstanceId =
moduleName + ":" + "type=CMM_InstalledProduct," + "name=" + this.productName +
",collectionID=" + ObjectName.quote(this.installedLocation)).getCanonicalName();
installedProduct=objectFactory.createObject(installedProductInstanceId);
this.delegateFactory.createDelegate(super.descriptor, installedProduct);
// Create the relation to the Node Agent objects
MfAgentNode.createRelationsWithAgent(this.moduleName, installedProduct);
logger.fine(sourceClass+" Initialize the module " + this.moduleName);
this.initialize();
logger.exiting(sourceClass,"start",this.moduleName);
} catch (Exception ex) {
logger.throwing(sourceClass, "Start failed for module = " + this.moduleName, ex);
return;
}
}
/**
* Implements the required finalize method as specified by
* the MfAbstractCpModule class
*
* @throws java.lang.Exception if the module could not be finalized
*/
public void finalize() throws Exception {
logger.entering(sourceClass, "finalize");
logger.exiting(sourceClass, "finalize");
}
/**
* Registers the discovery listener.
*/
private void addDiscoveryListener() {
try {
logger.log(Level.FINE,
"Adding Discovery Listener for Application Server");
NotificationFilterSupport filter = new NotificationFilterSupport();
filter.enableType(Constants.PRODUCT_NAME);
ObjectName dson = new ObjectName(Constants.DIS_OBJ_NAME);
getMbs().addNotificationListener(dson, this, filter, null);
} catch (Exception e) {
logger.log(Level.SEVERE,
"Unable to register listener for discovery.", e);
}
}
/**
* Handles discovery events.
*
* @param notification discovery notification
* @param handback opaque handback object
*/
public void handleNotification(Notification notification, Object handback) {
try {
logger.info("**Discovered new Application Server Instance**");
LogDomains.setLogger(logger);
String type = notification.getType();
// Only handle notification from discovery service
if (!MfDiscoveryService.objectName.equals(notification.getSource()) ) {
//this is a cacao operational status change; ignore
return;
}
MfDiscoveryInfo msg = null;
if (notification.getUserData() != null) {
msg = (com.sun.mfwk.discovery.MfDiscoveryInfo) notification.getUserData();
// user data
Map map = deserializeUserData(msg.getUserData());
map.put(Constants.URI_KEY, msg.getUri());
String domainName = (String) map.get(Constants.DOMAIN_NAME_KEY);
Boolean isDAS = (Boolean) map.get(Constants.IS_DAS_KEY);
// server instance name
String instanceName = (String) map.get(Constants.SERVER_KEY);
// call modeler to instrument the mbeans
ASServerManagerRegistry serverManagerRegistry =
ASServerManagerRegistry.getInstance();
serverManagerRegistry.addASServerManager(moduleName,
instanceName, domainName);
ASServerManager sManager =
serverManagerRegistry.getASServerManager(instanceName, domainName);
// handle HELLO messages
if (msg.getMessageType() == MfDiscoveryParameters.MSG_TYPE_HELLO) {
logger.finest("DISCOVERY HELLO message");
// set up connection credentials in registry
ConnectionRegistry reg = ConnectionRegistry.getInstance();
reg.setConnectionCredentials(instanceName, domainName, map);
sManager.start();
// Set the appropriated states
// Send the notifications to SNMP mediation
logger.log(Level.INFO,
"Set states of all objects to " + MfStatesManager.STATE_INITIALIZED);
MfStatesManager.setState(MfStatesManager.STATE_INITIALIZED);
delegateFactory.setMonitoringStates(MfMonitoringState.STATE_INITIALIZED);
MfStatesManager.setState(MfStatesManager.STATE_STEADY);
}
// handle LEAVE messages
if (msg.getMessageType() == MfDiscoveryParameters.MSG_TYPE_LEAVE) {
logger.finest("DISCOVERY LEAVE message");
sManager.stop();
}
}
} catch (Exception e) {
logger.log(Level.SEVERE, "Error in discovery event handling", e);
}
}
/**
* Converts the user data to a java.util.Map.
*
* @param data user data as byte array
* @return user data converted as java.util.Map
*
* @throws ClassNotFoundException if class not found
* @throws IOExceptoin if an i/o error
*/
private Map deserializeUserData(byte[] data)
throws ClassNotFoundException, IOException {
Map map = null;
ByteArrayInputStream bais = null;
ObjectInputStream ois = null;
try {
bais = new ByteArrayInputStream(data);
ois = new ObjectInputStream(bais);
map = (Map) ois.readObject();
} finally {
try {
if (bais != null) {
bais.close();
}
if (ois != null) {
ois.close();
}
} catch (Exception e) { }
}
return map;
}
// ---- VARIABLES - PRIVATE ---------------------------------------
private String sourceClass = ASModule.class.getName();
//"com.sun.mfwk.mfwk_module:type=mfDiscoveryService,name=mfDiscoveryService";
}