Hi,
Allen Bierbaum wrote:
> Hello all:
>
> As part of our on-going effort to track down some OpenSG memory usage,
> I tried to write a function that would:
>
> 1) Count up the number of allocated field containers (from the field
> container factory)
> 2) Print out a nice little report about how many of each class type
> have been allocated
>
> The goal was to see if there were some object types that keep growing.
> Then hopefully this could point to a section of the code that we
> could look at to fix the leak.
>
> Anyway, I wrote the function below, but it didn't work. It comes back
> thinking the type of all fc's is "FieldContainer". I suspect
> type-pruning, but I don't see the error. Can anyone see my mistake?
>
> -Allen
>
> #include <sstream>
> typedef std::map< OSG::UInt32, OSG::UInt64> fc_type_to_count_map_t;
>
> std::string getAllocatedFieldContainerDescription()
> {
> // Build up the list
> OSG::UInt64 num_allocated_fcs(0);
> fc_type_to_count_map_t type_count_map; // Map from type id to type count
>
> OSG::FieldContainerFactoryBase* fcf = OSG::FieldContainerFactory::the();
> OSG::TypeFactoryBase* type_factory = OSG::TypeFactory::the();
>
> const OSG::FieldContainerFactoryBase::ContainerStore&
> fcs(fcf->getContainerStore());
> for(OSG::UInt64 i=0; i<fcs.size(); i++)
> {
> OSG::FieldContainerPtr fcp(fcs[i]);
> if (fcp != OSG::NullFC)
> {
> OSG::UInt32 type_id = fcp->getClassTypeId();
^^^^^^^^^^^^^^^^^^^^^^
this is a static function that doesn't jump down the inheritance
hierarchy. Working with fcp->getType() should work as this is
the virtual function that jumps down the hierarchy.
kind regards,
gerrit
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