use of alma.ACSErrTypeCORBA.wrappers.AcsJNarrowFailedEx in project ACS by ACS-Community.
the class Helper method initializeNotifyFactory.
/**
* @param notifyFactoryName
* @throws AcsJException AcsJCORBAProblemEx if the NotifyService reference cannot be retrieved from the NamingService;
* AcsJNarrowFailedEx if the NotifyService is not of the required TAO extension type.
*/
protected void initializeNotifyFactory(String notifyFactoryName) throws AcsJException {
if (notifyFactory == null) {
final String standardEventFactoryId = org.omg.CosNotifyChannelAdmin.EventChannelFactoryHelper.id();
final String specialEventFactoryId = gov.sandia.NotifyMonitoringExt.EventChannelFactoryHelper.id();
// get the Notification Factory first.
NameComponent[] t_NameFactory = { new NameComponent(notifyFactoryName, "") };
org.omg.CORBA.Object notifyFactoryObj = null;
//notifyFactory = null;
try {
notifyFactoryObj = getNamingService().resolve(t_NameFactory);
} catch (org.omg.CosNaming.NamingContextPackage.NotFound ex) {
String reason = "The CORBA Notification Service '" + notifyFactoryName + "' is not registered in the Naming Service: " + ex.why.toString();
AcsJCORBAProblemEx ex2 = new AcsJCORBAProblemEx();
ex2.setInfo(reason);
throw ex2;
} catch (org.omg.CosNaming.NamingContextPackage.CannotProceed e) {
// Think there is virtually no chance of this every happening but...
Throwable cause = new Throwable(e.getMessage());
throw new alma.ACSErrTypeCommon.wrappers.AcsJCORBAProblemEx(cause);
} catch (org.omg.CosNaming.NamingContextPackage.InvalidName e) {
// Think there is virtually no chance of this every happening but...
Throwable cause = new Throwable(e.getMessage());
throw new alma.ACSErrTypeCommon.wrappers.AcsJCORBAProblemEx(cause);
}
// narrow the notification factory to the TAO extension subtype
try {
notifyFactory = EventChannelFactoryHelper.narrow(notifyFactoryObj);
} catch (BAD_PARAM ex) {
if (notifyFactoryObj._is_a(standardEventFactoryId)) {
LOG_NC_TaoExtensionsSubtypeMissing.log(m_logger, notifyFactoryName, specialEventFactoryId, standardEventFactoryId);
} else {
LOG_NC_TaoExtensionsSubtypeMissing.log(m_logger, notifyFactoryName, specialEventFactoryId, "???");
}
AcsJNarrowFailedEx ex2 = new AcsJNarrowFailedEx(ex);
ex2.setNarrowType(specialEventFactoryId);
throw ex2;
}
}
}
use of alma.ACSErrTypeCORBA.wrappers.AcsJNarrowFailedEx in project ACS by ACS-Community.
the class NCPublisher method init.
/**
* Initializes NCPublisher
* @param namingService Naming service
* @throws AcsJException
* There are literally dozens of CORBA exceptions that could be
* thrown by the NCPublisher class. Instead, these are
* converted into an ACS Error System exception for the
* developer's convenience.
*/
protected synchronized void init(NamingContext namingService) throws AcsJException {
helper = new Helper(channelName, channelNotifyServiceDomainName, this.services, namingService);
isTraceEventsEnabled = helper.getChannelProperties().isTraceEventsEnabled(this.channelName);
// get the channel
// @TODO: handle Corba TIMEOUT
channel = helper.getNotificationChannel(getNotificationFactoryName());
// Corba NC spec about adminId: a unique identifier assigned by the target EventChannel instance that is unique among all
// SupplierAdmin instances currently associated with the channel.
// We are currently not using it, but it could be logged to help with NC debugging.
IntHolder adminIdHolder = new IntHolder();
org.omg.CosNotifyChannelAdmin.SupplierAdmin supplierAdminBase = null;
try {
supplierAdminBase = channel.new_for_suppliers(InterFilterGroupOperator.AND_OP, adminIdHolder);
} catch (TIMEOUT ex) {
// found in http://jira.alma.cl/browse/COMP-6312
throw new AcsJCORBAProblemEx(ex);
}
if (supplierAdminBase == null) {
AcsJCORBAReferenceNilEx ex = new AcsJCORBAReferenceNilEx();
ex.setVariable("supplierAdminBase");
ex.setContext("Null reference obtained for the supplier admin for channel " + this.channelName);
throw ex;
}
try {
supplierAdmin = gov.sandia.NotifyMonitoringExt.SupplierAdminHelper.narrow(supplierAdminBase);
} catch (BAD_PARAM ex) {
// This should never happen, since we already enforced the presence of TAO extensions in Helper#initializeNotifyFactory
String specialSupplierAdminId = gov.sandia.NotifyMonitoringExt.SupplierAdminHelper.id();
String standardSupplierAdminId = org.omg.CosNotifyChannelAdmin.SupplierAdminHelper.id();
LOG_NC_TaoExtensionsSubtypeMissing.log(logger, channelName + "-SupplierAdmin", specialSupplierAdminId, standardSupplierAdminId);
AcsJNarrowFailedEx ex2 = new AcsJNarrowFailedEx(ex);
ex2.setNarrowType(specialSupplierAdminId);
throw ex2;
}
int proxyCreationAttempts = 0;
while (proxyConsumer == null) {
String randomizedClientName = Helper.createRandomizedClientName(services.getName());
// Holder for the unique ID assigned by the admin object. It is different from the name we set, and will be discarded.
IntHolder proxyIdHolder = new IntHolder();
proxyCreationAttempts++;
try {
// Create the consumer proxy (to which the published events will be fed) with a name.
// The client type parameter selects a StructuredProxyPushConsumer (based on Structured Events),
// as opposed to ProxyPushConsumer (based on Anys), or SequenceProxyPushConsumer (based on sequences of Structured Events).
org.omg.CORBA.Object tempCorbaObj = supplierAdmin.obtain_named_notification_push_consumer(ClientType.STRUCTURED_EVENT, proxyIdHolder, randomizedClientName.toString());
if (tempCorbaObj == null) {
AcsJCORBAReferenceNilEx ex = new AcsJCORBAReferenceNilEx();
ex.setVariable("tempCorbaObj");
ex.setContext("Null reference obtained for the Proxy Push Consumer for publisher " + services.getName());
// @TODO destroy supplierAdmin
throw ex;
}
proxyConsumer = StructuredProxyPushConsumerHelper.narrow(tempCorbaObj);
LOG_NC_ConsumerProxyCreation_OK.log(logger, proxyIdHolder.value, randomizedClientName, proxyCreationAttempts, services.getName(), channelName, getNotificationFactoryName());
} catch (NameAlreadyUsed e) {
// Hopefully we won't run into this situation. Still, try to go on in the loop,
// with a different client name next time.
logger.fine("Consumer proxy name '" + randomizedClientName + "' already in use. Will try again with different random number appended.");
} catch (NameMapError ex) {
// Default to the unnamed version
try {
proxyConsumer = StructuredProxyPushConsumerHelper.narrow(supplierAdmin.obtain_notification_push_consumer(ClientType.STRUCTURED_EVENT, proxyIdHolder));
LOG_NC_ConsumerProxyCreation_OK.log(logger, proxyIdHolder.value, "-unknown-", proxyCreationAttempts, services.getName(), channelName, getNotificationFactoryName());
} catch (AdminLimitExceeded ex2) {
LOG_NC_ConsumerProxyCreation_FAIL.log(logger, services.getName(), channelName, getNotificationFactoryName(), ex2.getMessage());
// @TODO destroy supplierAdmin
throw new AcsJCORBAProblemEx(ex2);
}
} catch (AdminLimitExceeded e) {
LOG_NC_ConsumerProxyCreation_FAIL.log(logger, services.getName(), channelName, getNotificationFactoryName(), e.getMessage());
// @TODO destroy supplierAdmin
throw new AcsJCORBAProblemEx(e);
}
}
// Avoid future calls from the NC to #subscription_change(EventType[], EventType[]). See Corba spec 3.4.1.3
// @TODO: If we use ALL_NOW_UPDATES_ON then we could actually suppress sending of event types that no consumer wants to get.
proxyConsumer.obtain_subscription_types(ObtainInfoMode.NONE_NOW_UPDATES_OFF);
// see 3.4.4.1 of Notification Service, v1.1
try {
StructuredPushSupplier thisSps = StructuredPushSupplierHelper.narrow(this.services.activateOffShoot(this));
proxyConsumer.connect_structured_push_supplier(thisSps);
} catch (AcsJContainerServicesEx e) {
// @TODO destroy supplierAdmin and proxyConsumer
throw new AcsJCORBAProblemEx(e);
} catch (AlreadyConnected e) {
// @TODO destroy supplierAdmin and proxyConsumer
throw new AcsJCORBAProblemEx(e);
}
reconnectCallback = new AcsNcReconnectionCallback(this, logger);
reconnectCallback.registerForReconnect(services, helper.getNotifyFactory());
}
use of alma.ACSErrTypeCORBA.wrappers.AcsJNarrowFailedEx in project ACS by ACS-Community.
the class NCSubscriber method getSharedAdmin.
////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////// Helper methods ////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
/**
* Creates or reuses a shared server-side NC consumer admin object.
*
* @throws AcsJException
*/
private ConsumerAdmin getSharedAdmin() throws AcsJCORBAProblemEx, AcsJNarrowFailedEx {
ConsumerAdmin ret = null;
org.omg.CosNotifyChannelAdmin.ConsumerAdmin retBase = null;
boolean created = false;
int consumerAdminId = -1;
AdminReuseCompatibilityHack adminReuseCompatibilityHack = new AdminReuseCompatibilityHack(channelName, logger);
// while in real life we can have concurrent admin creation requests from different processes.
synchronized (NCSubscriber.class) {
// Check if we can reuse an already existing consumer admin
for (int adminId : channel.get_all_consumeradmins()) {
try {
org.omg.CosNotifyChannelAdmin.ConsumerAdmin tmpAdmin = channel.get_consumeradmin(adminId);
if (adminReuseCompatibilityHack.isSharedAdmin(tmpAdmin)) {
// (the -1 goes because of the dummy proxy that is attached to the shared admin)
if (tmpAdmin.push_suppliers().length - 1 < PROXIES_PER_ADMIN) {
retBase = tmpAdmin;
consumerAdminId = adminId;
break;
}
}
} catch (AdminNotFound e) {
logger.log(AcsLogLevel.NOTICE, "Consumer admin with ID='" + adminId + "' not found for channel '" + channelName + "', " + "will continue anyway to search for shared consumer admins", e);
}
}
// If no suitable consumer admin was found, we create a new one
if (retBase == null) {
// create a new consumer admin
IntHolder consumerAdminIDHolder = new IntHolder();
// We use filters only on proxy objects, not on admin objects.
// An admin object without filters will opt to pass all events.
// We need a logical AND to be used when comparing the event passing decisions
// made by the set of proxy supplier filters and by the admin object.
InterFilterGroupOperator adminProxyFilterLogic = InterFilterGroupOperator.AND_OP;
retBase = channel.new_for_consumers(adminProxyFilterLogic, consumerAdminIDHolder);
consumerAdminId = consumerAdminIDHolder.value;
created = true;
}
}
try {
// cast to TAO extension type
ret = ConsumerAdminHelper.narrow(retBase);
} catch (BAD_PARAM ex) {
if (created) {
retBase.destroy();
}
LOG_NC_TaoExtensionsSubtypeMissing.log(logger, "ConsumerAdmin for channel " + channelName, ConsumerAdminHelper.id(), org.omg.CosNotifyChannelAdmin.ConsumerAdminHelper.id());
AcsJNarrowFailedEx ex2 = new AcsJNarrowFailedEx(ex);
ex2.setNarrowType(ConsumerAdminHelper.id());
throw ex2;
}
if (created) {
// @TODO: Remove this workaround once it is no longer needed.
adminReuseCompatibilityHack.markAsSharedAdmin(ret);
}
LOG_NC_ConsumerAdminObtained_OK.log(logger, consumerAdminId, (created ? "created" : "reused"), clientName, channelName, getNotificationFactoryName());
return ret;
}
use of alma.ACSErrTypeCORBA.wrappers.AcsJNarrowFailedEx in project ACS by ACS-Community.
the class Helper method createNotifyChannel_internal.
/**
* Broken out from {@link #createNotificationChannel(String, String, String)}
* to give tests better control about the timing when this call to the event factory is made.
* @throws NameAlreadyUsed if the call to NotifyFactory#create_named_channel fails with this exception.
* @throws AcsJCORBAProblemEx if the TAO extension throws a NameMapError or if the QoS attributes cause a UnsupportedAdmin.
*/
protected EventChannel createNotifyChannel_internal(Property[] initial_qos, Property[] initial_admin, IntHolder channelIdHolder) throws NameAlreadyUsed, UnsupportedQoS, AcsJNarrowFailedEx, AcsJCORBAProblemEx {
EventChannel ret = null;
StopWatch stopwatch = new StopWatch();
try {
// The TAO extension of the notify factory that we use declares only the plain EventChannel type,
// even though it creates the TAO-extension subtype.
org.omg.CosNotifyChannelAdmin.EventChannel eventChannelBaseType = notifyFactory.create_named_channel(initial_qos, initial_admin, channelIdHolder, channelName);
LOG_NC_ChannelCreatedRaw_OK.log(m_logger, channelName, channelIdHolder.value, stopwatch.getLapTimeMillis());
// re-create the client side corba stub, to get the extension subtype
ret = gov.sandia.NotifyMonitoringExt.EventChannelHelper.narrow(eventChannelBaseType);
} catch (BAD_PARAM ex) {
LOG_NC_TaoExtensionsSubtypeMissing.log(m_logger, channelName, EventChannel.class.getName(), org.omg.CosNotifyChannelAdmin.EventChannelHelper.id());
AcsJNarrowFailedEx ex2 = new AcsJNarrowFailedEx(ex);
ex2.setNarrowType(EventChannelHelper.id());
throw ex2;
} catch (NameMapError ex) {
String msg = "Got a TAO extension-specific NameMapError exception that means the TAO NC extension is not usable. Bailing out since we need the extension.";
m_logger.log(AcsLogLevel.ERROR, msg, ex);
AcsJCORBAProblemEx ex2 = new AcsJCORBAProblemEx(ex);
ex2.setInfo(msg);
throw ex2;
} catch (UnsupportedAdmin ex) {
AcsJCORBAProblemEx ex2 = new AcsJCORBAProblemEx(ex);
ex2.setInfo(createUnsupportedAdminLogMessage(ex));
throw ex2;
}
return ret;
}
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