Examples with ACSComponentOperations alma.ACS.ACSComponentOperations used on opensource projects

Example 1 with ACSComponentOperations

use of alma.ACS.ACSComponentOperations in project ACS by ACS-Community.

the class PubSubExecutor method execute.

/**
	 * Run the specified pub/sub container and components.
	 * If this method gets called directly (and not by {@link #execute(PubSubScenario)}, 
	 * the executionTime parameter can overwrite the timeout setting from the XML, or can 
	 * set a timeout complementary to a finite <code>PubSubSpecCommonT#numberOfEvents</code>.
	 */
public void execute(PubSubScenario scenario, long executionTimeMax, TimeUnit executionTimeMaxUnit) throws Throwable {
    PubSubInfrastructureSpec pubSubSpec = scenario.getSpec();
    m_logger.info("Will execute test with description:\n" + pubSubSpec.getTestDescription());
    SimpleLoggingSpecT loggingSpec = (pubSubSpec.getLogging() != null ? pubSubSpec.getLogging() : defaultLoggingSpec);
    AcsLogLevelDefinition levelDefaultLocal = AcsLogLevelDefinition.fromInteger(loggingSpec.getDefaultLevelMinLocal());
    AcsLogLevelDefinition levelDefault = AcsLogLevelDefinition.fromInteger(loggingSpec.getDefaultLevelMin());
    AcsLogLevelDefinition levelJacORB = AcsLogLevelDefinition.fromInteger(loggingSpec.getJacorbLevelMin());
    List<Throwable> errors = new ArrayList<Throwable>();
    try {
        for (ContainerSpecT containerSpec : pubSubSpec.getContainer()) {
            // start containers sequentially (TODO: with thread pool)
            String host = (containerSpec.getHostName() != null ? containerSpec.getHostName() : localhostName);
            String containerName = containerSpec.getContainerName();
            m_logger.fine("about to start container " + containerName + " on host " + (host == null ? "localhost" : host));
            ContainerImplLangType implLang = ContainerImplLangType.valueOf(containerSpec.getImplLang().toString());
            containerUtil.startContainer(host, implLang, containerName, null, true);
            // configure container log levels
            ContainerLogLevelSpec contLogLevelSpec = new ContainerLogLevelSpec(levelDefault, levelDefaultLocal);
            contLogLevelSpec.addNamedLoggerSpec("jacorb@" + containerName, levelJacORB, levelJacORB);
            containerUtil.setContainerLogLevels(containerName, contLogLevelSpec);
            m_logger.info("started container " + containerName + " on host " + (host == null ? "localhost" : host));
        }
    } catch (Throwable thr) {
        errors.add(thr);
    }
    boolean allPubSubHaveFiniteEvents = true;
    ExecutorService pubSubExec = Executors.newCachedThreadPool(getContainerServices().getThreadFactory());
    if (errors.isEmpty()) {
        for (final SubscriberSpecT subSpec : pubSubSpec.getSubscriber()) {
            boolean subIsBlocking = isBlocking(subSpec);
            if (!subIsBlocking) {
                allPubSubHaveFiniteEvents = false;
            }
            ImplLangT implLang = deriveComponentImplLang(subSpec, pubSubSpec);
            // TODO: pack this into one call, now that the comp will fail on the second call !!!
            if (componentAccessUtil.getCachedComponentNames().contains(subSpec.getComponentName())) {
                m_logger.info("Multiple subscribers specified for component " + subSpec.getComponentName() + ". This is legal, but unusual. Some values may be overwritten.");
            }
            CorbaNotifyConsumerOperations subscriberComp = componentAccessUtil.getDynamicSubscriberComponent(subSpec.getComponentName(), subSpec.getContainerName(), implLang);
            if (subSpec.hasLogMultiplesOfEventCount()) {
                subscriberComp.setEventLogging(subSpec.getLogMultiplesOfEventCount());
            }
            PubSubRunner runner = new PubSubRunner(subSpec, subscriberComp, pubSubExec, m_logger) {

                @Override
                protected Integer callSpecific(NcEventSpec eventSpec, int numEvents) throws CouldntPerformActionEx {
                    logger.info("About to call subscriber#receiveEvents...");
                    int processingDelay = (subSpec.hasProcessingDelayMillis() ? subSpec.getProcessingDelayMillis() : -1);
                    return ((CorbaNotifyConsumerOperations) pubSubComp).receiveEvents(new NcEventSpec[] { eventSpec }, processingDelay, numEvents);
                }
            };
            try {
                runner.runPubSub();
            } catch (Exception ex) {
                errors.add(ex);
            }
        }
        // to "ensure" that even the asynchronously called subscribers are ready before we publish events
        Thread.sleep(100);
        for (final PublisherSpecT pubSpec : pubSubSpec.getPublisher()) {
            boolean pubIsBlocking = isBlocking(pubSpec);
            if (!pubIsBlocking) {
                allPubSubHaveFiniteEvents = false;
            }
            ImplLangT implLang = deriveComponentImplLang(pubSpec, pubSubSpec);
            // (which will result in multiple NCPublisher instances created by that component).
            if (componentAccessUtil.getCachedComponentNames().contains(pubSpec.getComponentName())) {
                m_logger.info("Multiple publishers specified for component " + pubSpec.getComponentName() + ". This is legal, but unusual. Some values may be overwritten.");
            }
            CorbaNotifySupplierOperations publisherComp = componentAccessUtil.getDynamicSupplierComponent(pubSpec.getComponentName(), pubSpec.getContainerName(), implLang);
            if (pubSpec.hasLogMultiplesOfEventCount()) {
                publisherComp.setEventLogging(pubSpec.getLogMultiplesOfEventCount());
            }
            PubSubRunner runner = new PubSubRunner(pubSpec, publisherComp, pubSubExec, m_logger) {

                @Override
                protected Integer callSpecific(NcEventSpec eventSpec, int numEvents) throws CouldntPerformActionEx {
                    logger.info("About to call publisher#sendEvents...");
                    int eventPeriodMillis = (pubSpec.hasEventPeriodMillis() ? pubSpec.getEventPeriodMillis() : -1);
                    return ((CorbaNotifySupplierOperations) pubSubComp).sendEvents(new NcEventSpec[] { eventSpec }, eventPeriodMillis, numEvents);
                }
            };
            try {
                runner.runPubSub();
            } catch (Exception ex) {
                errors.add(ex);
            }
        }
    }
    // wait for NC scenario to execute
    if (errors.isEmpty()) {
        if (allPubSubHaveFiniteEvents) {
            // wait for all suppliers and subscribers to finish, enforcing the timeout if applicable
            // TODO: More options would be available if we stored the PubSubRunner instances in a list...
            pubSubExec.shutdown();
            if (executionTimeMax > 0) {
                pubSubExec.awaitTermination(executionTimeMax, executionTimeMaxUnit);
            } else {
                // like Dornroeschen
                pubSubExec.awaitTermination(100 * 365, TimeUnit.DAYS);
            }
        } else {
            // even if some others should terminate by themselves
            if (executionTimeMax > 0) {
                try {
                    m_logger.info("Will sleep for " + executionTimeMax + " " + executionTimeMaxUnit.toString().toLowerCase() + "...");
                    executionTimeMaxUnit.sleep(executionTimeMax);
                } catch (Exception ex) {
                    errors.add(ex);
                }
            // now also the finite suppliers/subscribers should be finished, but even if not they will get interrupted
            // along with the infinite ones in the cleanup.
            } else {
                errors.add(new IllegalArgumentException("An execution time must be specified if some publisher or subscriber is configured with an infinite number of events. Terminating right away..."));
            }
        }
    }
    // cleanup
    m_logger.info("Will clean up the pub/sub components...");
    // interrupt and release all components
    for (ACSComponentOperations comp : componentAccessUtil.getCachedComponents()) {
        // we could avoid the casting if we keep a separate list of subscriber and supplier comps...
        if (comp instanceof CorbaNotifyCompBaseOperations) {
            CorbaNotifyCompBaseOperations pubSubComp = (CorbaNotifyCompBaseOperations) comp;
            pubSubComp.ncDisconnect();
        }
    }
    componentAccessUtil.releaseAllComponents(true);
    // stop containers
    for (ContainerSpecT containerSpec : pubSubSpec.getContainer()) {
        try {
            String host = (containerSpec.getHostName() != null ? containerSpec.getHostName() : localhostName);
            String containerName = containerSpec.getContainerName();
            m_logger.fine("about to stop container " + containerName + " on host " + (host == null ? "localhost" : host));
            containerUtil.stopContainer(host, containerName);
            m_logger.info("stopped container " + containerName + " on host " + (host == null ? "localhost" : host));
        } catch (Throwable thr) {
            errors.add(thr);
        }
    }
    if (!errors.isEmpty()) {
        m_logger.severe("There were " + errors.size() + " errors!");
        throw errors.get(0);
    }
}