[Ns-developers] Problems with ObjectFactory

[Mirko Banchi]

Hi all,

i have some problems with ObjectFactory. I'm using it in a new Helper
class to set a MSDU aggregator:

MsduAggregatorHelper::SetAggregatorType (std::string aggregatorType, ...)
{
  ...
  m_aggregator.SetTypeId (aggregatorType);
  ...
}

MsduAggregatorHelper::Install (...)
{
  ...

  Ptr<MsduAggregator> aggregator = m_aggregator.Create<MsduAggregator> ();
  ...

}

If i try to use this helper from a script an error occurs:

Requested constructor for ns3::Node but it does not have one.

The error is originated in IidManager::GetConstructor () method.

I have verified that

m_aggregator.SetTypeId ("ns3::MsduStandardAggregator");

doens't fail. The method ObjectFactory::Create instead fails.

That's strange...even if i call ObjectFactory::SetTypeId () with
"ns3::MsduStandardAggregator" as parameter, it's looking for a
constructor for ns3::Node.

Any idea?

Thanks,
Mirko

-- 
Mirko Banchi

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