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/*
* Copyright 2004-2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
package com.sun.enterprise.management.support;
import java.util.Set;
import java.util.HashSet;
import java.util.Map;
import java.util.Collections;
import java.io.IOException;
import javax.management.ObjectName;
import javax.management.MBeanRegistrationException;
import javax.management.InstanceAlreadyExistsException;
import javax.management.InstanceNotFoundException;
import com.sun.appserv.management.base.Util;
import com.sun.appserv.management.base.XTypes;
import com.sun.appserv.management.base.AMX;
import com.sun.appserv.management.base.AMXDebug;
import com.sun.appserv.management.base.SystemInfo;
import com.sun.appserv.management.client.ProxyFactory;
import com.sun.appserv.management.util.jmx.JMXUtil;
import com.sun.appserv.management.util.misc.GSetUtil;
import com.sun.appserv.management.util.misc.CollectionUtil;
import com.sun.appserv.management.util.misc.StringUtil;
import com.sun.appserv.management.config.ClusterConfig;
import com.sun.appserv.management.config.DomainConfig;
import com.sun.appserv.management.config.ServerConfig;
import com.sun.appserv.management.config.ClusteredServerConfig;
import com.sun.appserv.management.config.StandaloneServerConfig;
import com.sun.appserv.management.config.ServerRefConfig;
import com.sun.appserv.management.config.RefConfig;
import com.sun.appserv.management.util.stringifier.SmartStringifier;
import com.sun.enterprise.management.support.oldconfig.OldServersMBean;
import com.sun.enterprise.management.support.oldconfig.OldConfigProxies;
import com.sun.enterprise.management.support.oldconfig.OldProps;
import com.sun.appserv.management.util.jmx.MBeanRegistrationListener;
import com.sun.appserv.management.util.jmx.JMXUtil;
/**
Loads MBeans.
*/
class LoaderOfOldConfig extends LoaderOfOld
{
private final boolean mSupportsClusters;
private final ServerRefListener mServerRefListener;
LoaderOfOldConfig( final Loader loader )
{
super( loader );
final SystemInfo systemInfo = getDomainRoot().getSystemInfo();
mSupportsClusters = systemInfo.supportsFeature( systemInfo.CLUSTERS_FEATURE );
if ( NEEDS_SUPPORT.size() != 0 )
{
getLogger().warning(
"Support for the following old config mbean types is not yet implemented: {" +
SmartStringifier.toString( NEEDS_SUPPORT ) + "}" );
}
try
{
mServerRefListener = new ServerRefListener( "LoaderOfOldConfig" );
mServerRefListener.startListening();
}
catch( Exception e )
{
debug( "" + e );
throw new Error( e );
}
}
private ObjectName
getListenToServerRefConfigPattern()
{
final String jmxDomain = Util.getObjectName( getDomainRoot() ).getDomain();
final String props = Util.makeJ2EETypeProp( XTypes.SERVER_REF_CONFIG );
return Util.newObjectNamePattern( jmxDomain, props );
}
/**
Listen for creation or removal of AMX ServerRefConfig MBeans.
*/
private final class ServerRefListener
extends MBeanRegistrationListener
{
public ServerRefListener( final String name )
throws InstanceNotFoundException, IOException
{
super( name, getMBeanServer(), getListenToServerRefConfigPattern() );
}
/**
A ServerRefConfig has been created. It may require converting a
StandaloneServerConfig to a ClusteredServerConfig.
*/
protected void
mbeanRegistered( final ObjectName objectName )
{
debug( "mbeanRegistered: " + objectName );
final ServerRefConfig ref =
ProxyFactory.getInstance( getMBeanServer() ).getProxy( objectName, ServerRefConfig.class);
if ( ref.getContainer() instanceof ClusterConfig )
{
final String serverName = ref.getRef();
debug( "mbeanRegistered: serverName = " + serverName );
final DomainConfig domainConfig = getDomainRoot().getDomainConfig();
if ( domainConfig.getClusteredServerConfigMap().get( serverName ) == null )
{
final ServerConfig server =
domainConfig.getServerConfigMap().get( serverName );
// it's referenced by a cluster, but not a ClusteredServerConfig. Fix it.
final ObjectName serverObjectName = Util.getObjectName( server );
debug( "mbeanRegistered: serverConfig = " + serverObjectName );
try
{
final Set<RefConfig> containees = new HashSet<RefConfig>();
containees.addAll( server.getResourceRefConfigMap().values() );
containees.addAll( server.getDeployedItemRefConfigMap().values() );
mLoader.resyncAMXMBean( serverObjectName );
for( final RefConfig containee : containees )
{
mLoader.resyncAMXMBean( Util.getObjectName( containee ) );
}
}
catch( Throwable t )
{
getLogger().warning(
"mbeanRegistered: can't resync with: " + serverObjectName +
": " + t);
}
}
else
{
debug( "mbeanRegistered: server is already Clustered (ignoring)" );
}
}
else
{
debug( "mbeanRegistered: ref not from a cluster (ignoring)" );
}
}
/**
A ServerRefConfig has been removed. It may require converting a
ClusteredServerConfig to a StandaloneServerConfig.
<p>
NOTE: not implemented: we don't support converting clustered
instances to standalone ones.
*/
protected void
mbeanUnregistered( final ObjectName objectName )
{
debug( "mbeanUnregistered: " + objectName );
}
}
protected Set<String>
getIgnoreTypes()
{
return( OldConfigTypes.getIgnoreTypes() );
}
private Set<ObjectName>
getOldServerConfigObjectNames()
{
// 8.0 put the type=server MBeans into ias:
// see if they are present under com.sun.appserv
//
ObjectName pattern =
Util.newObjectNamePattern( "com.sun.appserv", "type=server" );
Set<ObjectName> objectNames = JMXUtil.queryNames( getMBeanServer(), pattern, null );
if ( objectNames.size() == 0 )
{
pattern = Util.newObjectNamePattern( "ias", "type=server" );
objectNames = JMXUtil.queryNames( getMBeanServer(), pattern, null );
}
return( objectNames );
}
protected Set<ObjectName>
findAllOldCandidates()
{
ObjectName pattern = null;
Set<ObjectName> oldNames = null;
pattern = Util.newObjectNamePattern( "com.sun.appserv", "category=config" );
oldNames = JMXUtil.queryNames( getMBeanServer(), pattern, null );
oldNames.addAll( getOldServerConfigObjectNames() );
debug( "LoaderOfOldConfig: found the following:" );
debug( CollectionUtil.toString( oldNames, "\n" ) );
return( oldNames );
}
/**
These types need to be supported.
*/
private static final Set<String> NEEDS_SUPPORT = GSetUtil.newUnmodifiableStringSet();
protected Set<String>
getNeedsSupport()
{
return( NEEDS_SUPPORT );
}
private boolean
isOldConfigMBean( final ObjectName objectName )
{
boolean isOldConfigMBean = false;
if ( objectName.getDomain().equals( "com.sun.appserv" ) &&
"config".equals( objectName.getKeyProperty( "category" ) ) )
{
final String type = objectName.getKeyProperty( "type" );
isOldConfigMBean = ! OldConfigTypes.getIgnoreTypes().contains( type );
}
return( isOldConfigMBean );
}
protected boolean
isOldMBean( final ObjectName objectName )
{
return( isOldConfigMBean( objectName ) );
}
private final static String OLD_SERVER_TYPE = "server";
private final class MyOldTypes
implements OldTypeToJ2EETypeMapper
{
private final OldConfigTypes mOldTypes;
private final OldServersMBean mOldServers;
public
MyOldTypes()
{
mOldTypes = OldConfigTypes.getInstance();
mOldServers = OldConfigProxies.getInstance( getMBeanServer() ).getOldServersMBean();
}
public String
j2eeTypeToOldType( final String j2eeType )
{
return( mOldTypes.j2eeTypeToOldType( j2eeType ) );
}
private boolean
isStandaloneServer( final String name )
{
boolean isStandalone = true;
if ( mSupportsClusters )
{
final ObjectName[] standaloneServerObjectNames =
mOldServers.listUnclusteredServerInstances( false );
isStandalone = false;
for( int i = 0; i < standaloneServerObjectNames.length; ++i )
{
if ( name.equals( Util.getName( standaloneServerObjectNames[ i ] ) ) )
{
isStandalone = true;
break;
}
}
}
debug( "isStandalone: " + name + " = " + isStandalone );
return( isStandalone );
}
private String
getServerJ2EEType( final String name )
{
assert( name != null );
final String j2eeType = isStandaloneServer( name ) ?
XTypes.STANDALONE_SERVER_CONFIG :
XTypes.CLUSTERED_SERVER_CONFIG;
debug( "Server " + name + " is of type " + j2eeType );
return( j2eeType );
}
public String
oldTypeToJ2EEType( final String oldType, final ObjectName objectName )
{
String j2eeType = null;
if ( oldType.equals( objectName.getKeyProperty( "type" ) ) )
{
j2eeType = oldObjectNameToJ2EEType( objectName );
}
else if ( oldType.equals( OLD_SERVER_TYPE ) )
{
// the oldType is a property other than "type=server"
final String name = objectName.getKeyProperty( "server" );
assert( name != null ) : "no name in: " + objectName;
j2eeType = getServerJ2EEType( name );
}
else
{
j2eeType = mOldTypes.oldTypeToJ2EEType( oldType, objectName );
}
return( j2eeType );
}
public String
oldObjectNameToJ2EEType(
final ObjectName objectName )
{
String j2eeType = null;
final String oldType = objectName.getKeyProperty( "type" );
// need to special-case "server"
if ( oldType.equals( OLD_SERVER_TYPE ) )
{
final String name = objectName.getKeyProperty( "name" );
j2eeType = getServerJ2EEType( name );
}
else
{
j2eeType = mOldTypes.oldTypeToJ2EEType( oldType );
}
if ( j2eeType == null )
{
getLogger().warning(
"can't find j2eeType for com.sun.appserv type=" + oldType +
StringUtil.NEWLINE() +
"This usually means that a new domain.xml element has been added which " +
"is not yet supported by AMX. File a bug requesting support, being sure to " +
"specify the ObjectName " + StringUtil.quote( objectName ) );
}
return( j2eeType );
}
}
/**
*/
protected ObjectName
oldToNewObjectName( final ObjectName oldObjectName )
{
trace( "oldToNewObjectName: " + oldObjectName );
final OldTypeToJ2EETypeMapper mapper = new MyOldTypes( );
final OldProps oldProps = new OldProps( oldObjectName, mapper );
final String domainName = mLoader.getAMXJMXDomainName();
String props = oldProps.getNewProps();
// may be modified down below
final ObjectName newObjectName = Util.newObjectName( domainName, props );
return( newObjectName );
}
}