void CFellow::PublishAndSubscribe()
{
if (ms_rtiAmb)
{
RTI::AttributeHandleSet *fellowAttrs;
try
{
fellowAttrs = RTI::AttributeHandleSetFactory::create(3);
fellowAttrs->add(ms_hFellowName);
fellowAttrs->add(ms_hFellowColor);
fellowAttrs->add(ms_hFellowPortrait);
}
catch (RTI::Exception& e)
{
AfxMessageBox((CString)e._name);
}
try
{
ms_rtiAmb->subscribeObjectClassAttributes(ms_hFellow, *fellowAttrs);
ms_rtiAmb->publishObjectClass(ms_hFellow, *fellowAttrs);
}
catch (RTI::Exception& e)
{
AfxMessageBox((CString)e._name);
}
fellowAttrs->empty();
delete fellowAttrs;
}
}
ProvideAttributeValueUpdatePR::ProvideAttributeValueUpdatePR (RTI::ObjectHandle oid,
const RTI::AttributeHandleSet & attr)
: objid (oid), size (attr.size ())
{
handleSet = new RTI::AttributeHandle [size];
if (handleSet == NULL)
{
cerr << "Unable to create array of attribute handles, can't process attribute update request" << endl;
size = 0;
return;
}
for (int i = 0; i < size; i++)
{
handleSet[i] = attr.getHandle (i);
}
}
/*
* This method will inform the RTI about the types of data that the federate will
* be creating, and the types of data we are interested in hearing about as other
* federates produce it.
*/
void ExampleCPPFederate::publishAndSubscribe()
{
////////////////////////////////////////////
// publish all attributes of ObjectRoot.A //
////////////////////////////////////////////
// before we can register instance of the object class ObjectRoot.A and
// update the values of the various attributes, we need to tell the RTI
// that we intend to publish this information
// package the information into a handle set
RTI::AttributeHandleSet *attributes = RTI::AttributeHandleSetFactory::create( 3 );
attributes->add( this->aaHandle );
attributes->add( this->abHandle );
attributes->add( this->acHandle );
// do the actual publication
rtiamb->publishObjectClass( this->aHandle, *attributes );
/////////////////////////////////////////////////
// subscribe to all attributes of ObjectRoot.A //
/////////////////////////////////////////////////
// we also want to hear about the same sort of information as it is
// created and altered in other federates, so we need to subscribe to it
rtiamb->subscribeObjectClassAttributes( this->aHandle, *attributes );
/////////////////////////////////////////////////////
// publish the interaction class InteractionRoot.X //
/////////////////////////////////////////////////////
// we want to send interactions of type InteractionRoot.X, so we need
// to tell the RTI that we're publishing it first. We don't need to
// inform it of the parameters, only the class, making it much simpler
// do the publication
rtiamb->publishInteractionClass( this->xHandle );
////////////////////////////////////////////////////
// subscribe to the InteractionRoot.X interaction //
////////////////////////////////////////////////////
// we also want to receive other interaction of the same type that are
// sent out by other federates, so we have to subscribe to it first
rtiamb->subscribeInteractionClass( this->xHandle );
// clean up
delete attributes;
}
void HwFederateAmbassador::provideAttributeValueUpdate (
RTI::ObjectHandle theObject, // supplied C1
const RTI::AttributeHandleSet& theAttributes) // supplied C4
throw (
RTI::ObjectNotKnown,
RTI::AttributeNotKnown,
RTI::AttributeNotOwned,
RTI::FederateInternalError)
{
//-----------------------------------------------------------------
// Find the Country instance this request is for.
//-----------------------------------------------------------------
Country *pCountry = Country::Find( theObject );
if ( pCountry )
{
//-----------------------------------------------------------------
// Touch the appropriate attribute values in this country
// instance so that the get updated next cycle.
//-----------------------------------------------------------------
RTI::AttributeHandle attrHandle;
//-----------------------------------------------------------------
// We need to iterate through the AttributeHandleSet
// to extract each AttributeHandle. Based on the type
// specified ( the value returned by getHandle() ) we need to
// set the status of whether we should send this type of data.
//-----------------------------------------------------------------
for (unsigned int i = 0; i < theAttributes.size(); i++ )
{
attrHandle = theAttributes.getHandle( i );
if ( attrHandle == Country::GetPopulationRtiId() )
{
// Touch population so that it gets update next cycle
pCountry->SetPopulation( pCountry->GetPopulation() );
}
else if ( attrHandle == Country::GetNameRtiId() )
{
// Touch name so that it gets update next cycle
pCountry->SetName( pCountry->GetName() );
}
}
}
}
//-----------------------------------------------------------------
//
// METHOD:
// void Country::PublishAndSubscribe()
//
// PURPOSE:
// Publishes and Subscribes to Object & Interaction classes
// and their member data.
//
// Note: In most reasonable applications this would be broken
// up into 2 different methods.
//
// RETURN VALUES:
// None.
//
// HISTORY:
// 1) Created 11/6/96
// 2) Updated to RTI 1.3 3/26/98
//
//-----------------------------------------------------------------
void Country::PublishAndSubscribe()
{
if ( ms_rtiAmb )
{
//------------------------------------------------------
// To actually subscribe and publish we need to build
// an AttributeHandleSet that contains a list of
// attribute type ids (AttributeHandle).
//------------------------------------------------------
RTI::AttributeHandleSet *countryAttributes;
countryAttributes = RTI::AttributeHandleSetFactory::create(2);
countryAttributes->add( ms_nameTypeId );
countryAttributes->add( ms_popTypeId );
ms_rtiAmb->subscribeObjectClassAttributes( ms_countryTypeId,
*countryAttributes );
ms_rtiAmb->publishObjectClass( ms_countryTypeId,
*countryAttributes);
countryAttributes->empty();
delete countryAttributes; // Deallocate the memory
//------------------------------------------------------
// Same as above for interactions
//------------------------------------------------------
// Get RTTI info
ms_commTypeId = ms_rtiAmb->getInteractionClassHandle( ms_commTypeStr );
ms_commMsgTypeId = ms_rtiAmb->getParameterHandle( ms_commMsgTypeStr,
ms_commTypeId);
// Declare my Interaction interests
ms_rtiAmb->subscribeInteractionClass( ms_commTypeId );
ms_rtiAmb->publishInteractionClass( ms_commTypeId );
}
}
void CFellow::FellowUpdateControl(RTI::Boolean status,
const RTI::AttributeHandleSet& theAttrHandles)
{
RTI::AttributeHandle attrHandle;
for (unsigned int i = 0; i < theAttrHandles.size(); i++)
{
attrHandle = theAttrHandles.getHandle(i);
if (attrHandle == CFellow::GetFellowNameRtiId())
{
m_bNameChanged = status;
}
else if (attrHandle == CFellow::GetFellowColorRtiId())
{
m_bColorChanged = status;
}
else if (attrHandle == CFellow::GetFellowPortraitRtiId())
{
m_bPortraitChanged = status;
}
}
}
