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package com.sun.enterprise.connectors.work.monitor;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.management.j2ee.statistics.Stats;
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.connectors.ActiveInboundResourceAdapter;
import com.sun.enterprise.connectors.ActiveResourceAdapter;
import com.sun.enterprise.connectors.ConnectorAdminServiceUtils;
import com.sun.enterprise.connectors.ConnectorConstants;
import com.sun.enterprise.connectors.ConnectorRegistry;
import com.sun.enterprise.server.ApplicationServer;
import com.sun.enterprise.connectors.util.ResourcesUtil;
import com.sun.enterprise.server.ServerContext;
import com.sun.logging.LogDomains;
/**
* Provides an implementation of the MonitoringLevelListener interface to
* receive callbacks from admin regarding change in the monitoring level.
* Though there are 3 monitoring levels defined by JSR77, we support
* only 2 levels - OFF and ON (HIGH/LOW). So essentially, HIGH and LOW
* for us is only ON
*
* @since s1aspe 8.1
* @author Sivakumar Thyagarajan
*/
public final class ConnectorWorkMonitoringLevelListener implements
MonitoringLevelListener {
private static final Logger _logger = LogDomains.getLogger(
LogDomains.RSR_LOGGER );
private MonitoringRegistry registry_;
/**
* @see com.sun.enterprise.admin.monitor.registry.MonitoringLevelListener#setLevel(com.sun.enterprise.admin.monitor.registry.MonitoringLevel)
* @deprecated
*/
public void setLevel(MonitoringLevel level) {
}
/**
* @see com.sun.enterprise.admin.monitor.registry.MonitoringLevelListener#changeLevel(com.sun.enterprise.admin.monitor.registry.MonitoringLevel, com.sun.enterprise.admin.monitor.registry.MonitoringLevel, javax.management.j2ee.statistics.Stats)
* @deprecated
*/
public void changeLevel(MonitoringLevel from, MonitoringLevel to,
Stats handback) {
}
public void changeLevel(MonitoringLevel from, MonitoringLevel to,
MonitoredObjectType type) {
if ( from == to ) {
//Its a no-op, so return
return;
}
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
ServerContext ctxt = ApplicationServer.getServerContext();
if (ctxt != null ) {
registry_ = ctxt.getMonitoringRegistry();
}
return null;
}
});
if (from == MonitoringLevel.OFF ) {
if (to == MonitoringLevel.HIGH || to == MonitoringLevel.LOW ) {
switchOnMonitoring();
}
}
if (from == MonitoringLevel.HIGH || from == MonitoringLevel.LOW ) {
if ( to == MonitoringLevel.OFF ) {
switchOffMonitoring();
}
}
}
/**
* Switch OFF Monitoring for Connector work management
*/
private void switchOffMonitoring() {
if ( _logger.isLoggable(Level.FINE) ) {
_logger.fine("Switching level form ON to OFF");
}
//deregister
AccessController.doPrivileged( new PrivilegedAction() {
public Object run() {
ActiveResourceAdapter[] allRAs = ConnectorRegistry.
getInstance().getAllActiveResourceAdapters();
if ( allRAs == null ) {
return null;
}
ActiveInboundResourceAdapter inboundRA = null;
for (int i = 0; i < allRAs.length; i++ ) {
if ( allRAs[i] != null
&& allRAs[i] instanceof ActiveInboundResourceAdapter) {
try{
inboundRA = (ActiveInboundResourceAdapter)allRAs[i];
String moduleName = inboundRA.getModuleName();
//@todo :: after MBeans are modified
//Dont register system RARs as of now until MBean changes are complete.
if (ResourcesUtil.createInstance().belongToSystemRar(moduleName)) {
if (!ConnectorAdminServiceUtils.isJMSRA(moduleName)) {
continue;
}
}
registry_.unregisterConnectorWorkMgmtStats(
ConnectorAdminServiceUtils.getApplicationName(moduleName),
ConnectorAdminServiceUtils.getConnectorModuleName(moduleName),
ConnectorAdminServiceUtils.isJMSRA(moduleName));
//disable work mgmt monitoring
setWorkManagementMonitoring(inboundRA, false);
} catch( Exception mre ) {
_logger.log( Level.INFO, "poolmon.cannot_unreg");
}
}
}
return null;
}
});
}
/**
* Switch on Monitoring for Connector work management
*/
private void switchOnMonitoring() {
if ( _logger.isLoggable(Level.FINE) ) {
_logger.fine("Switching level form OFF to ON");
}
AccessController.doPrivileged( new PrivilegedAction() {
public Object run() {
ActiveResourceAdapter[] allRAs = ConnectorRegistry.
getInstance().getAllActiveResourceAdapters();
if ( allRAs == null ) {
return null;
}
ActiveInboundResourceAdapter inboundRA = null;
for (int i = 0; i < allRAs.length; i++ ) {
if ( allRAs[i] != null
&& allRAs[i] instanceof ActiveInboundResourceAdapter) {
try{
inboundRA = (ActiveInboundResourceAdapter)allRAs[i];
ConnectorWorkMgmtStatsImpl workstatsimpl =
new ConnectorWorkMgmtStatsImpl(inboundRA);
String moduleName = inboundRA.getModuleName();
//@todo :: after MBeans are modified
//Dont register system RARs as of now until MBean changes are complete.
if (ResourcesUtil.createInstance().belongToSystemRar(moduleName)) {
if (!ConnectorAdminServiceUtils.isJMSRA(moduleName)) {
continue;
}
}
//enable work mgmt monitoring
setWorkManagementMonitoring(inboundRA, true);
registry_.registerConnectorWorkMgmtStats(
workstatsimpl,
ConnectorAdminServiceUtils.getApplicationName(moduleName),
ConnectorAdminServiceUtils.getConnectorModuleName(moduleName),
ConnectorAdminServiceUtils.isJMSRA(moduleName),
null);
} catch (Exception mre) {
_logger.log( Level.WARNING, "poolmon.cannot_reg",
mre.getMessage() );
}
}
}
return null;
}
});
}
private void setWorkManagementMonitoring(ActiveInboundResourceAdapter
adapter, boolean isEnabled) {
MonitorableWorkManager mwm = (MonitorableWorkManager)adapter.
getBootStrapContext().getWorkManager();
mwm.setMonitoringEnabled(isEnabled);
}
}