Examples with NotificationServiceMonitorControl gov.sandia.CosNotification.NotificationServiceMonitorControl used on opensource projects

Example 1 with NotificationServiceMonitorControl

use of gov.sandia.CosNotification.NotificationServiceMonitorControl in project ACS by ACS-Community.

the class EventModel method discoverNotifyServices.

/**
	 * Checks the naming service for notify service instances and stores / updates them in {@link #notifyServices}.
	 * This update does not include the NCs owned by the notify services, so that {@link #discoverChannels(Binding[])} 
	 * should be called after this. 
	 * <p>
	 * This method is broken out from {@link #discoverNotifyServicesAndChannels()} to make it more readable. 
	 * It should be called only from there, to keep services and NCs aligned.
	 * 
	 * @param bindingMap Name service bindings in the form key = bindingName, value = bindingKind
	 */
private synchronized void discoverNotifyServices(Map<String, String> bindingMap) {
    // used for local logging only
    ArrayList<String> newNotifyServiceNames = new ArrayList<String>();
    // used to detect services that have disappeared
    Set<String> oldServiceIds = new HashSet<String>(notifyServices.keySet());
    for (String bindingName : bindingMap.keySet()) {
        String bindingKind = bindingMap.get(bindingName);
        try {
            // to skip NCs and other objects that have a non-empty kind field and by accident use the name ending of a notify service.
            if (bindingName.endsWith(NOTIFICATION_FACTORY_NAME.value) && !bindingName.startsWith("MC_") && bindingKind.isEmpty()) {
                NotifyServiceData notifyService = notifyServices.get(bindingName);
                if (notifyService != null) {
                    // because that would slow down a GUI refresh too much. (For that we have 'unreachableServiceChecker' running.)
                    if (notifyService.isReachable()) {
                        updateReachability(notifyService);
                    }
                    // Reachable or not, we got this notify service again from the naming service, which means it was not properly removed.
                    oldServiceIds.remove(bindingName);
                // Todo: Should we update the notify service reference, just in case it was relocated to another machine?
                } else {
                    // Found a new notify service in the naming service
                    // We skip the manager for access to services, because since ACS 10.2 only specially registered services
                    // would be available in the get_service call and we want more flexibility for this special tool.
                    org.omg.CORBA.Object obj = resolveNotifyService(bindingName);
                    // We create a new NotifyServiceData object even if the service is currently unreachable,
                    // so that this problem becomes visible.
                    boolean isNewServiceReachable = isNotifyServiceReachable(obj, bindingName);
                    String displayName = simplifyNotifyServiceName(bindingName);
                    newNotifyServiceNames.add(displayName);
                    EventChannelFactory efact = null;
                    NotificationServiceMonitorControl nsmc = null;
                    if (isNewServiceReachable) {
                        efact = EventChannelFactoryHelper.narrow(obj);
                        try {
                            nsmc = resolveMonitorControl(bindingName);
                        } catch (Exception ex) {
                            m_logger.log(Level.WARNING, "Failed to obtain the MonitorControl object for service '" + bindingName + "'.");
                            throw ex;
                        }
                    }
                    NotifyServiceData notifyServiceData = new NotifyServiceData(displayName, bindingName, efact, nsmc, m_logger);
                    notifyServiceData.setReachable(isNewServiceReachable);
                    notifyServices.put(bindingName, notifyServiceData);
                }
            }
        } catch (Exception ex) {
            m_logger.log(Level.WARNING, "Failed to check / process service '" + bindingName + "'.", ex);
        }
    }
    // Log changes for this round of service discovery
    if (!newNotifyServiceNames.isEmpty()) {
        Collections.sort(newNotifyServiceNames);
        m_logger.info("Found " + newNotifyServiceNames.size() + " notify service instances: " + StringUtils.join(newNotifyServiceNames, ' '));
    }
    if (!oldServiceIds.isEmpty()) {
        // These notify services were no longer listed in the naming service. This means they were properly shut down, as opposed to messed up.
        String msg = "Removed " + oldServiceIds.size() + " notify service instances: ";
        for (String oldServiceId : oldServiceIds) {
            notifyServices.remove(oldServiceId);
            msg += simplifyNotifyServiceName(oldServiceId) + ' ';
        }
        m_logger.info(msg);
    }
}

Example 2 with NotificationServiceMonitorControl

use of gov.sandia.CosNotification.NotificationServiceMonitorControl in project ACS by ACS-Community.

the class EventModel method resolveMonitorControl.

/**
	 * Resolves the TAO monitor-control object that is bound in the naming service with the given name.
	 */
private NotificationServiceMonitorControl resolveMonitorControl(String notifyBindingName) throws CannotProceed, org.omg.CosNaming.NamingContextPackage.InvalidName, NotFound {
    String name = "MC_" + notifyBindingName;
    NameComponent[] ncomp = new NameComponent[1];
    ncomp[0] = new NameComponent(name, "");
    NotificationServiceMonitorControl nsmc = NotificationServiceMonitorControlHelper.narrow(nctx.resolve(ncomp));
    return nsmc;
}

Example 3 with NotificationServiceMonitorControl

use of gov.sandia.CosNotification.NotificationServiceMonitorControl in project ACS by ACS-Community.

the class ChannelStats method setData.

public void setData(ChannelData channel) {
    NotificationServiceMonitorControl nsm = channel.getParent().getMc();
    String[] statsNames = nsm.get_statistic_names();
    String channelName = "Channel " + channel.getName() + " - ";
    long oldestEvent = -1;
    for (int i = 0; i < statsNames.length; ++i) {
        try {
            if (statsNames[i].contains("ConsumerCount")) {
                Monitor.Numeric n = nsm.get_statistic(statsNames[i]).data_union.num();
                setValue(N_CONSUMERS, (long) n.last);
            } else if (statsNames[i].contains("SupplierCount")) {
                Monitor.Numeric n = nsm.get_statistic(statsNames[i]).data_union.num();
                setValue(N_SUPPLIERS, (long) n.last);
            } else if (statsNames[i].contains("QueueSize")) {
                // n.count, n.maximum, n.last, n.average, n.dlist[0].value, n.dlist[0].timestamp
                Monitor.Numeric n = nsm.get_statistic(statsNames[i]).data_union.num();
                setQueueSize(statsNames[i], (long) n.maximum, n.average);
            } else if (statsNames[i].contains("QueueElementCount")) {
                Monitor.Numeric n = nsm.get_statistic(statsNames[i]).data_union.num();
                setQueueElementCount(statsNames[i], (long) n.maximum);
            } else if (statsNames[i].contains("OldestEvent")) {
                Monitor.Numeric n = nsm.get_statistic(statsNames[i]).data_union.num();
                this.oldestEvent = (long) n.last;
            } else if (statsNames[i].contains("SlowestConsumers")) {
                String[] slowestConsumers = nsm.get_statistic(statsNames[i]).data_union.list();
                setArrayValues(CURR_SLOWEST_CONSUMERS, currStringLists, slowestConsumers);
                addArrayValues(ALL_SLOWEST_CONSUMERS, allStringLists, slowestConsumers);
                setValue(N_SLOWEST_CONSUMERS, slowestConsumers.length);
            } else if (statsNames[i].contains("SupplierNames")) {
                String[] supplierNames = nsm.get_statistic(statsNames[i]).data_union.list();
                setArrayValues(CURR_SUPPLIERS, currStringLists, supplierNames);
                addArrayValues(ALL_SUPPLIERS, allStringLists, supplierNames);
            } else if (statsNames[i].contains("ConsumerNames")) {
                String[] consumerNames = nsm.get_statistic(statsNames[i]).data_union.list();
                setArrayValues(CURR_CONSUMERS, currStringLists, consumerNames);
                addArrayValues(ALL_CONSUMERS, allStringLists, consumerNames);
            } else if (statsNames[i].contains("SupplierAdminNames")) {
                String[] supplierAdminNames = nsm.get_statistic(statsNames[i]).data_union.list();
                setArrayValues(CURR_SUPPLIERS_ADMIN, currStringLists, supplierAdminNames);
                addArrayValues(ALL_SUPPLIERS_ADMIN, allStringLists, supplierAdminNames);
                setValue(N_SUPPLIERS_ADMIN, supplierAdminNames.length);
            } else if (statsNames[i].contains("ConsumerAdminNames")) {
                String[] consumerAdminNames = nsm.get_statistic(statsNames[i]).data_union.list();
                setArrayValues(CURR_CONSUMERS_ADMIN, currStringLists, consumerAdminNames);
                addArrayValues(ALL_CONSUMERS_ADMIN, allStringLists, consumerAdminNames);
                setValue(N_CONSUMERS_ADMIN, consumerAdminNames.length);
            }
        } catch (InvalidName ex) {
        //logger.log(AcsLogLevel.ERROR, "Invalid name in ncStatisticsService::logMCStats", ex);
        // TODO 
        }
    }
    iterationDone();
}