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package com.sun.enterprise.iiop;
import java.io.PrintStream;
import java.util.List;
import java.util.logging.Logger;
import java.util.logging.Level;
import org.omg.CORBA.ORBPackage.InvalidName;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.server.ApplicationServer;
import com.sun.enterprise.server.ServerContext;
import com.sun.enterprise.config.serverbeans.Cluster;
import com.sun.enterprise.config.serverbeans.ClusterHelper;
import com.sun.logging.LogDomains;
import com.sun.corba.ee.spi.folb.ClusterInstanceInfo;
import com.sun.corba.ee.spi.folb.GroupInfoService;
import com.sun.corba.ee.spi.folb.GroupInfoServiceObserver;
import com.sun.corba.ee.spi.folb.SocketInfo;
import com.sun.corba.ee.spi.orb.ORB;
import com.sun.corba.ee.spi.orbutil.misc.ORBClassLoader;
import com.sun.corba.ee.impl.orbutil.ORBConstants;
/**
* @author Harold Carr
*/
public class ASORBUtilities
{
private static Logger _logger = null;
static {
_logger = LogDomains.getLogger(LogDomains.CORBA_LOGGER);
}
private static final String GMS_CLASS =
"com.sun.enterprise.ee.ejb.iiop.IiopFolbGmsClient";
private static boolean gisInitialized = false;
public static synchronized void initGIS(org.omg.CORBA.ORB orb)
{
GroupInfoService gis = null;
try {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "initGIS->: " + gisInitialized);
}
if (gisInitialized) {
return;
}
if (isGMSAvailableAndClusterHeartbeatEnabled()) {
gis = initGISUsesGMS();
} else {
gis = initGISUsesAdmin();
}
if (gis == null) {
return;
}
try {
((ORB)orb).register_initial_reference(
ORBConstants.FOLB_SERVER_GROUP_INFO_SERVICE,
(org.omg.CORBA.Object) gis);
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
".initGIS: naming registration complete: "
+ gis);
}
gisInitialized = true;
if (_logger.isLoggable(Level.FINE)) {
gis = (GroupInfoService)
((ORB)orb).resolve_initial_references(
ORBConstants.FOLB_SERVER_GROUP_INFO_SERVICE);
List<ClusterInstanceInfo> lcii =
gis.getClusterInstanceInfo(null);
_logger.log(Level.FINE,
"Results from getClusterInstanceInfo:");
if (lcii != null) {
for (ClusterInstanceInfo cii : lcii) {
_logger.log(Level.INFO, toString(cii));
}
}
}
} catch (InvalidName e) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.SEVERE,
".initGIS: registering GIS failed: " + e);
}
}
} finally {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
"initGIS<-: " + gisInitialized + " " + gis);
}
}
}
private static GroupInfoService initGISUsesAdmin()
{
GroupInfoService result = null;
try {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "initGISUsesAdmin->:");
}
result = new GroupInfoServiceImplForJNLP();
return result;
} finally {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "initGISUsesAdmin<-: " + result);
}
}
}
private static GroupInfoService initGISUsesGMS()
{
GroupInfoService result = null;
try {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "initGISUsesGMS->:");
}
Class clazz = loadClass(GMS_CLASS);
if (clazz == null) {
_logger.log(Level.SEVERE,
".initGISUsesGMS: GMS initialization failure: class not found: " + GMS_CLASS);
}
result = (GroupInfoService) newInstance(clazz);
if (result == null) {
_logger.log(Level.SEVERE, ".initGISUsesGMS: GMS initialization failure: cannot instantiate: " + GMS_CLASS);
}
return result;
} finally {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "initGISUsesGMS<-: " + result);
}
}
}
public static boolean isGMSAvailableAndClusterHeartbeatEnabled()
{
Cluster cluster = null;
boolean result =
(loadClass("com.sun.enterprise.ee.cms.core.GMSFactory") != null)
&& (cluster = getCluster()) != null
&& isClusterHeartbeatEnabled(cluster);
return result;
}
public static Class loadClass(String classname)
{
Class result = null;
try {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ".loadClass->: " + classname);
}
result = ORBClassLoader.loadClass(classname);
} catch (ClassNotFoundException e) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ".loadClass: " + classname + " " + e);
}
} finally {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
".loadClass<-: " + classname + " " + result);
}
}
return result;
}
public static Object newInstance(Class clazz)
{
Object result = null;
try {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ".newInstance->: " + clazz);
}
result = clazz.newInstance();
} catch (InstantiationException e) {
_logger.log(Level.WARNING, ".newInstance: " + clazz + " " + e);
} catch (IllegalAccessException e) {
_logger.log(Level.WARNING, ".newInstance: " + clazz + " " + e);
} finally {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ".newInstance<-: " + clazz + " " + result);
}
}
return result;
}
public static Cluster getCluster()
{
ConfigContext configCtx = null;
String instanceName = null;
Cluster result = null;
try {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ".getCluster->:");
}
ServerContext serverContext = ApplicationServer.getServerContext();
if (serverContext == null) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ".getCluster: No ServerContext");
}
return null;
}
configCtx = serverContext.getConfigContext();
instanceName = serverContext.getInstanceName();
result =
ClusterHelper.getClusterForInstance(configCtx, instanceName);
} catch (ConfigException e) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
".getCluster: ConfigContext: " + configCtx.toString()
+ " ; instanceName: " + instanceName
+ " ; exception: " + e);
}
} finally {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ".getCluster<-: " + result);
}
}
return result;
}
public static boolean isClusterHeartbeatEnabled(Cluster cluster)
{
boolean result = false;
try {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
".isClusterHeartbeatEnabled->: " + cluster);
}
result = cluster.isHeartbeatEnabled();
} finally {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
".isClusterHeartbeatEnabled<-: " + cluster
+ " " + result);
}
}
return result;
}
public static boolean member(ClusterInstanceInfo item,
List<ClusterInstanceInfo> list)
{
for (ClusterInstanceInfo element : list) {
if (equals(item, element)) {
return true;
}
}
return false;
}
public static boolean equals(ClusterInstanceInfo c1,
ClusterInstanceInfo c2)
{
if (c1 == c2) {
return true;
}
if (c1.weight != c2.weight) {
return false;
}
if (c1.endpoints.length != c2.endpoints.length) {
return false;
}
if (! c1.name.equals(c2.name)) {
return false;
}
for (int i = 0; i < c1.endpoints.length; ++i) {
if (c1.endpoints[i].port != c2.endpoints[i].port) {
return false;
}
if (! c1.endpoints[i].type.equals(c2.endpoints[i].type)) {
return false;
}
if (! c1.endpoints[i].host.equals(c2.endpoints[i].host)) {
return false;
}
}
return true;
}
public static String toString(ClusterInstanceInfo cii)
{
return
"[ClusterInstanceInfo "
+ cii.name
+ " "
+ cii.weight
+ " "
+ toString(cii.endpoints)
+ "]";
}
public static String toString(SocketInfo[] socketInfo)
{
String result = "";
for (int i = 0; i < socketInfo.length; ++i) {
result += toString(socketInfo[i]) + " ";
}
return result;
}
public static String toString(SocketInfo socketInfo)
{
return
"[SocketInfo "
+ socketInfo.type
+ " "
+ socketInfo.host
+ " "
+ socketInfo.port
+ "]";
}
public static void forceStackTrace(String msg)
{
forceStackTrace(msg, System.out);
}
public static void forceStackTrace(String msg, PrintStream out)
{
try {
_logger.log(Level.INFO, msg + "->:");
throw new Exception("FORCED STACKTRACE");
} catch (Exception e) {
e.printStackTrace(out);
} finally {
_logger.log(Level.INFO, msg + "<-:");
}
}
}
class GroupInfoServiceImplForJNLP
extends org.omg.CORBA.LocalObject
implements GroupInfoService
{
public boolean addObserver(GroupInfoServiceObserver x)
{
throw new RuntimeException("SHOULD NOT BE CALLED");
}
public void notifyObservers()
{
throw new RuntimeException("SHOULD NOT BE CALLED");
}
public List<ClusterInstanceInfo> getClusterInstanceInfo(
String[] adapterName)
{
if (adapterName != null) {
throw new RuntimeException("Argument should be null");
}
return IIOPEndpointsInfo.getClusterInstanceInfo();
}
public boolean shouldAddAddressesToNonReferenceFactory(String[] x)
{
throw new RuntimeException("SHOULD NOT BE CALLED");
}
public boolean shouldAddMembershipLabel (String[] adapterName)
{
throw new RuntimeException("SHOULD NOT BE CALLED");
}
}
// End of file.
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