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package com.sun.enterprise.ee.admin.lbadmin.pluggable;
import com.sun.enterprise.admin.monitor.stats.lb.LoadBalancerStats;
import com.sun.enterprise.ee.admin.lbadmin.mbeans.HTTPLBAdminConfigMBean;
import com.sun.enterprise.ee.admin.lbadmin.writer.LbConfigExporter;
import com.sun.enterprise.ee.admin.lbadmin.writer.LbConfigPublisher;
import com.sun.enterprise.ee.admin.lbadmin.monitor.LbMonitoringHelper;
import com.sun.enterprise.server.pluggable.LBFeatureFactory;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.util.i18n.StringManagerBase;
import com.sun.enterprise.admin.server.core.AdminService;
import com.sun.enterprise.util.SystemPropertyConstants;
import com.sun.enterprise.admin.monitor.stats.lb.LoadBalancerStatsInterface;
import com.sun.logging.ee.EELogDomains;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.util.List;
import java.util.Date;
import com.sun.enterprise.ee.admin.lbadmin.writer.LbConfigWriter;
/**
*
* @author hr124446
*/
public class EELBFeatureFactoryImpl implements LBFeatureFactory {
/**
* Creates a new instance of EELBFeatureFactoryImpl
*/
public EELBFeatureFactoryImpl() {
}
/**
Applies changes in the corresponding configuration to this LB Config
*/
public void applyChanges(String configName){
_logger.log(Level.FINE,
"[LBAdminMBean] applyChanges called - LB Config "
+ configName );
try {
ConfigContext ctx = AdminService.getAdminService().getAdminContext()
.getAdminConfigContext();
com.sun.enterprise.config.serverbeans.LoadBalancers loadbalancers =
((Domain)ctx.getRootConfigBean()).
getLoadBalancers();
if(loadbalancers == null)
throw new Exception(_strMgr.getString("NoLoadbalancersConfigured"));
com.sun.enterprise.config.serverbeans.LoadBalancer[] lbs =
loadbalancers.getLoadBalancer();
if(lbs == null)
throw new Exception(_strMgr.getString("NoLoadbalancersConfigured"));
for(com.sun.enterprise.config.serverbeans.LoadBalancer lb : lbs){
if(lb == null)
throw new Exception(_strMgr.getString("NoLoadbalancersConfigured"));
if(lb.getLbConfigName().equals(configName)) {
LbConfigPublisher lbp = new LbConfigPublisher(ctx, configName, lb.getName());
lbp.publish();
_logger.log(Level.INFO, _sMgr.getString(
"http_lb_admin.ApplyChanges", lb.getName()));
}
}
} catch (Exception e) {
String msg = _strMgr.getString("LbApplyChangesFailed",
configName,e.getMessage());
_logger.log(Level.WARNING, msg);
//throw new MBeanException(e, msg);
}
}
/**
Applies changes in the corresponding configuration to this LB and LB Config
*/
public void applyChanges(String configName, String lbName){
if(lbName == null || lbName.equals("") || lbName.equals("null")) {
applyChanges(configName);
return;
}
_logger.log(Level.FINE,
"[LBAdminMBean] exportLbConfig called - LB Config "
+ configName + " "+lbName);
try {
ConfigContext ctx = AdminService.getAdminService().getAdminContext()
.getAdminConfigContext();
if(configName == null || configName.equals("") || configName.equals("null")) {
com.sun.enterprise.config.serverbeans.LoadBalancers lbs =
((Domain)ctx.getRootConfigBean()).
getLoadBalancers();
if(lbs == null)
throw new Exception(_strMgr.getString("NoLoadbalancersConfigured"));
com.sun.enterprise.config.serverbeans.LoadBalancer lb =
lbs.getLoadBalancerByName(lbName);
if(lb == null)
throw new Exception( _strMgr.getString("LbDoesNotExist", lbName));
configName = lb.getLbConfigName();
}
LbConfigPublisher lbp = new LbConfigPublisher(ctx, configName, lbName);
lbp.publish();
_logger.log(Level.INFO, _sMgr.getString(
"http_lb_admin.ApplyChanges", lbName));
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
@return true if there are pending changes for this LB
*/
public boolean isApplyChangeRequired(String lbConfigName,String lbName){
//TODO
return true;
}
/**
Exports the corresponding LBConfig information and returns the contents as a string.
@see com.sun.appserv.management.config.LBConfig
*/
public String getLoadBalancerXML(String configName,String lbName){
try {
ConfigContext ctx = AdminService.getAdminService().getAdminContext()
.getAdminConfigContext();
if(configName == null || configName.equals("") || configName.equals("null")) {
com.sun.enterprise.config.serverbeans.LoadBalancers lbs =
((Domain)ctx.getRootConfigBean()).
getLoadBalancers();
if(lbs == null)
throw new Exception(_strMgr.getString("NoLoadbalancersConfigured"));
com.sun.enterprise.config.serverbeans.LoadBalancer lb =
lbs.getLoadBalancerByName(lbName);
if(lb == null)
throw new Exception( _strMgr.getString("LbDoesNotExist", lbName));
configName = lb.getLbConfigName();
}
String xml = LbConfigExporter.getXML(ctx, configName);
_logger.log(Level.FINE, _sMgr.getString(
"http_lb_admin.GetLBXml", lbName));
return xml;
} catch (Exception e) {
String msg = _strMgr.getString("LbGetXMLFailed",
lbName, e.getMessage());
//throw new MBeanException(e, msg);
_logger.log(Level.WARNING, msg);
}
return "";
}
public LoadBalancerStatsInterface getLoadBalancerMonitoringStats(String configName,String lbName){
try {
ConfigContext ctx = AdminService.getAdminService().getAdminContext()
.getAdminConfigContext();
if(configName == null || configName.equals("") || configName.equals("null")) {
com.sun.enterprise.config.serverbeans.LoadBalancers lbs =
((Domain)ctx.getRootConfigBean()).
getLoadBalancers();
if(lbs == null)
throw new Exception(_strMgr.getString("NoLoadbalancersConfigured"));
com.sun.enterprise.config.serverbeans.LoadBalancer lb =
lbs.getLoadBalancerByName(lbName);
if(lb == null)
throw new Exception( _strMgr.getString("LbDoesNotExist", lbName));
configName = lb.getLbConfigName();
}else if(lbName == null){
}
LbMonitoringHelper lbMonitoringHelper = new LbMonitoringHelper(ctx, configName, lbName);
String xml = lbMonitoringHelper.getMonitoringXml();
LoadBalancerStatsInterface lbstats = LoadBalancerStats.readNoEntityResolver(new ByteArrayInputStream(xml.getBytes()));
_logger.log(Level.INFO, _sMgr.getString(
"http_lb_admin.GetStats", lbName));
return lbstats;
} catch (Exception e) {
String msg = _strMgr.getString("LbGetStatsFailed",
configName, lbName);
//throw new MBeanException(e, msg);
_logger.log(Level.WARNING, msg);
}
return null;
}
/**
Test the connection between DAS and LoadBalancer.
*/
public boolean testConnection(String configName, String lbName){
boolean result=false;
try {
ConfigContext ctx = AdminService.getAdminService().getAdminContext()
.getAdminConfigContext();
if(configName == null || configName.equals("") || configName.equals("null")) {
com.sun.enterprise.config.serverbeans.LoadBalancers lbs =
((Domain)ctx.getRootConfigBean()).
getLoadBalancers();
if(lbs == null)
throw new Exception(_strMgr.getString("NoLoadbalancersConfigured"));
com.sun.enterprise.config.serverbeans.LoadBalancer lb =
lbs.getLoadBalancerByName(lbName);
if(lb == null)
throw new Exception( _strMgr.getString("LbDoesNotExist", lbName));
configName = lb.getLbConfigName();
}
LbConfigPublisher lbp = new LbConfigPublisher(ctx, configName, lbName);
result = lbp.ping();
_logger.log(Level.INFO, _sMgr.getString(
"http_lb_admin.TestConnection", Boolean.toString(result), lbName));
} catch (Exception e) {
String msg = _strMgr.getString("LbTestConnectionFailed",
lbName);
//throw new MBeanException(e, msg);
_logger.log(Level.WARNING, msg);
}
return result;
}
/**
Reset the monitoring stats on this loadbalancer.
*/
public void resetStats(String configName, String lbName) {
try {
ConfigContext ctx = AdminService.getAdminService().getAdminContext()
.getAdminConfigContext();
if(configName == null || configName.equals("") || configName.equals("null")) {
com.sun.enterprise.config.serverbeans.LoadBalancers lbs =
((Domain)ctx.getRootConfigBean()).
getLoadBalancers();
if(lbs == null)
throw new Exception(_strMgr.getString("NoLoadbalancersConfigured"));
com.sun.enterprise.config.serverbeans.LoadBalancer lb =
lbs.getLoadBalancerByName(lbName);
if(lb == null)
throw new Exception( _strMgr.getString("LbDoesNotExist", lbName));
configName = lb.getLbConfigName();
}
LbMonitoringHelper lbMonitoringHelper = new LbMonitoringHelper(ctx, configName, lbName);
lbMonitoringHelper.reset();
_logger.log(Level.INFO, _sMgr.getString(
"http_lb_admin.ResetStats", lbName));
} catch (Exception e) {
String msg = _strMgr.getString("LbResetStatsFailed",
lbName);
_logger.log(Level.WARNING, msg);
throw new RuntimeException(e);
}
}
//------- PRIVATE VARIABLES --------------------
private static final StringManager _strMgr =
StringManager.getManager(HTTPLBAdminConfigMBean.class);
private static Logger _logger = Logger.getLogger(
EELogDomains.EE_ADMIN_LOGGER);
private static final StringManagerBase _sMgr =
StringManagerBase.getStringManager(_logger.getResourceBundleName());
}