//-----------------------------------------------------------------------------
void
BaseHelper::getNotifyService()
{
//sanity check. If we cannot access the naming service, there is
//no point whatsoever in continuing.
if(CORBA::is_nil(namingContext_m)){
ACSErrTypeCORBA::CORBAReferenceNilExImpl
ex(__FILE__, __LINE__, "BaseHelper::getNotifyService");
ex.setVariable("namingContext_m");
throw ex;
}
//first get the notification factory
CosNaming::Name name(1);
name.length(1);
name[0].id = CORBA::string_dup(getNotificationFactoryName());
//get the generic object for the notify service
CORBA::Object_var corbaObj = namingContext_m->resolve(name);
if(CORBA::is_nil(corbaObj.in())){
ACSErrTypeCORBA::CORBAReferenceNilExImpl
ex(__FILE__, __LINE__, "BaseHelper::getNotifyService");
ex.setVariable("corbaObj");
throw ex;
}
//narrow the generic object
notifyFactory_m = CosNotifyChannelAdmin::EventChannelFactory::_narrow(corbaObj.in());
if(CORBA::is_nil(notifyFactory_m.in())){
ACSErrTypeCORBA::NarrowFailedExImpl ex(__FILE__, __LINE__, "BaseHelper::getNotifyService");
ex.setNarrowType("CosNotifyChannelAdmin::EventChannelFactory");
throw ex;
}
}
//-----------------------------------------------------------------------------
void
Helper::resolveNotificationFactory()
{
ACS_TRACE("Helper::resolveNotificationFactory");
CosNaming::Name name(1);
name.length(1);
name[0].id = getNotificationFactoryName();
//first a simple sanity check to ensure the naming service is up and running
if(CORBA::is_nil(namingContext_m.in()) == true)
{
ACS_SHORT_LOG((LM_ERROR, "Helper::resolveNotificationFactory error occured for the '%s' channel, Naming Context is nil!",
channelName_mp));
CORBAProblemExImpl err = CORBAProblemExImpl(__FILE__,__LINE__,"nc::Helper::resolveNotificationFactory");
throw err.getCORBAProblemEx();
}
try
{
//try to resolve the object with the naming service. a few exceptions can be
//thrown by this
CORBA::Object_var corbaObj = namingContext_m->resolve(name);
//double-check to ensure it's not a nil reference
if(CORBA::is_nil(corbaObj.in()) == true)
{
ACS_SHORT_LOG((LM_ERROR, "Helper::resolveNotificationFactory error occured for the '%s' channel, Corba Object of the resolve of Naming Context is nil!",
channelName_mp));
CORBAProblemExImpl err = CORBAProblemExImpl(__FILE__,__LINE__,"nc::Helper::resolveNotificationFactory");
throw err.getCORBAProblemEx();
}
//now try to narrow the notification service reference
notifyFactory_m = NotifyMonitoringExt::EventChannelFactory::_narrow(corbaObj.in());
//double-check to ensure it's not a nil reference
if(CORBA::is_nil(notifyFactory_m.in()) == true)
{
ACS_SHORT_LOG((LM_ERROR, "Helper::resolveNotificationFactory error occured for the '%s' channel using NotifyMonitoringExt!",
channelName_mp));
notifyFactoryOld_m = CosNotifyChannelAdmin::EventChannelFactory::_narrow(corbaObj.in());
//double-check to ensure it's not a nil reference again
if(CORBA::is_nil(notifyFactoryOld_m.in()) == true)
{
ACS_SHORT_LOG((LM_ERROR, "Helper::resolveNotificationFactory error occured for the '%s' channel using CosNotifyChannelAdmin!",
channelName_mp));
CORBAProblemExImpl err = CORBAProblemExImpl(__FILE__,__LINE__,"nc::Helper::resolveNotificationFactory");
throw err.getCORBAProblemEx();
}
}
}
catch(CORBAProblemEx)
{
ACS_SHORT_LOG((LM_TRACE, "Helper::resolveNotificationFactory failed for the '%s' channel with a nil pointer!",
channelName_mp));
//thrown by this method and OK to rethrow
throw;
}
catch(...)
{
//most likely some exception like the notification service is not registered
//with the naming service. nothing can be done
ACS_SHORT_LOG((LM_ERROR, "Helper::resolveNotificationFactory() error occured for the '%s' channel!, unknown error on resolveNotificationFactory",
channelName_mp));
CORBAProblemExImpl err = CORBAProblemExImpl(__FILE__,__LINE__,"nc::Helper::resolveNotificationFactory");
throw err.getCORBAProblemEx();
}
}
