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package com.sun.enterprise.web.connector.extension;
import com.sun.enterprise.admin.monitor.registry.MonitoredObjectType;
import com.sun.enterprise.admin.monitor.registry.MonitoringLevel;
import com.sun.enterprise.admin.monitor.registry.MonitoringLevelListener;
import com.sun.enterprise.admin.monitor.registry.MonitoringRegistry;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.ModuleMonitoringLevels;
import com.sun.enterprise.web.WebContainer;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.logging.annotation.LogMessageInfo;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.j2ee.statistics.Stats;
import javax.management.ObjectName;
import java.lang.String;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.ResourceBundle;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* This class track monitoring or Grizzly, using JMX to invoke Grizzly main
* classes.
*
* @author Jeanfrancois Arcand
*/
public class GrizzlyConfig implements MonitoringLevelListener{
private static final Logger logger = com.sun.enterprise.web.WebContainer.logger;
private static final ResourceBundle rb = logger.getResourceBundle();
@LogMessageInfo(
message = "Exception when initializing monitoring for network-listener [{0}]",
level = "WARNING")
public static final String INIT_MONITORING_EXCEPTION = "AS-WEB-GLUE-00081";
@LogMessageInfo(
message = "InvokeGrizzly method={0} objectName={1}",
level = "FINE")
public static final String INVOKE_GRIZZLY = "AS-WEB-GLUE-00082";
@LogMessageInfo(
message = "Exception while invoking mebean server operation [{0}]",
level = "WARNING")
public static final String INVOKE_MBEAN_EXCEPTION = "AS-WEB-GLUE-00083";
/**
* Is monitoring already started.
*/
private boolean isMonitoringEnabled = false;
/**
* The JMX domain
*/
private String domain;
/**
* The port used to lookup Grizzly's Selector
*/
private int port;
/**
* The list of instance created. This list is not thread-safe.
*/
private static ArrayList<GrizzlyConfig>
grizzlyConfigList = new ArrayList<GrizzlyConfig>();
/**
* This server context's default services.
*/
private ServiceLocator services = null;
// --------------------------------------------------------------- //
/**
* Creates the monitoring helper.
*/
public GrizzlyConfig(WebContainer webContainer, String domain, int port) {
this.domain = domain;
this.port = port;
this.services = webContainer.getServerContext().getDefaultServices();
grizzlyConfigList.add(this);
}
public void destroy() {
unregisterMonitoringLevelEvents();
grizzlyConfigList.remove(this);
}
public void initConfig(){
initMonitoringLevel();
}
private void initMonitoringLevel() {
try{
Config cfg = services.getService(Config.class, ServerEnvironment.DEFAULT_INSTANCE_NAME);
MonitoringLevel monitoringLevel = MonitoringLevel.OFF; // default per DTD
if (cfg.getMonitoringService() != null) {
ModuleMonitoringLevels levels =
cfg.getMonitoringService().getModuleMonitoringLevels();
if (levels != null) {
monitoringLevel = MonitoringLevel.instance(
levels.getHttpService());
}
}
if(MonitoringLevel.OFF.equals(monitoringLevel)) {
isMonitoringEnabled = false;
} else {
isMonitoringEnabled = true;
}
String methodToInvoke = isMonitoringEnabled ? "enableMonitoring" :
"disableMonitoring";
invokeGrizzly(methodToInvoke);
} catch (Exception ex) {
String msg = rb.getString(INIT_MONITORING_EXCEPTION);
msg = MessageFormat.format(msg, Integer.valueOf(port));
logger.log(Level.WARNING, msg, ex);
}
}
public void registerMonitoringLevelEvents() {
MonitoringRegistry monitoringRegistry = services.getService(MonitoringRegistry.class);
if (monitoringRegistry!=null) {
monitoringRegistry.registerMonitoringLevelListener(
this, MonitoredObjectType.HTTP_LISTENER);
}
}
private void unregisterMonitoringLevelEvents() {
MonitoringRegistry monitoringRegistry = services.getService(MonitoringRegistry.class);
if (monitoringRegistry!=null) {
monitoringRegistry.unregisterMonitoringLevelListener(this);
}
}
public void setLevel(MonitoringLevel level) {
// deprecated, ignore
}
public void changeLevel(MonitoringLevel from, MonitoringLevel to,
MonitoredObjectType type) {
if (MonitoredObjectType.HTTP_LISTENER.equals(type)) {
if(MonitoringLevel.OFF.equals(to)) {
isMonitoringEnabled = false;
} else {
isMonitoringEnabled = true;
}
}
String methodToInvoke = isMonitoringEnabled ? "enableMonitoring" :
"disabledMonitoring";
invokeGrizzly(methodToInvoke);
}
public void changeLevel(MonitoringLevel from, MonitoringLevel to,
Stats handback) {
// deprecated, ignore
}
protected final void invokeGrizzly(String methodToInvoke) {
invokeGrizzly(methodToInvoke,null,null);
}
protected final void invokeGrizzly(String methodToInvoke,
Object[] objects, String[] signature) {
try{
String onStr = domain + ":type=Selector,name=http" + port;
ObjectName objectName = new ObjectName(onStr);
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, INVOKE_GRIZZLY,
new Object[] {methodToInvoke, objectName});
}
} catch ( Exception ex ){
String msg = rb.getString(INVOKE_MBEAN_EXCEPTION);
msg = MessageFormat.format(msg, methodToInvoke);
logger.log(Level.SEVERE, msg, ex);
//throw new RuntimeException(ex);
}
}
/**
* Enable CallFlow gathering mechanism.
*/
public final void setEnableCallFlow(boolean enableCallFlow){
String methodToInvoke = enableCallFlow ? "enableMonitoring" :
"disabledMonitoring";
invokeGrizzly(methodToInvoke);
}
/**
* Return the list of all instance of this class.
*/
public static ArrayList<GrizzlyConfig> getGrizzlyConfigInstances(){
return grizzlyConfigList;
}
/**
* Return the port this configuration belongs.
*/
public int getPort(){
return port;
}
}