[ndnSIM] How to add a tag to the data?

黑客 1602883373 at qq.com
Fri Apr 14 18:15:23 PDT 2017


I want to add a tag to the data before the producer sent data,for examole:


void
Producer::OnInterest(shared_ptr<const Interest> interest)
{
  App::OnInterest(interest); // tracing inside
  NS_LOG_FUNCTION(this << interest);
  if (!m_active)
    return;
  Name dataName(interest->getName());
  auto data = make_shared<Data>();
  data->setName(dataName);
  data->setFreshnessPeriod(::ndn::time::milliseconds(m_freshness.GetMilliSeconds()));
  data->setContent(make_shared< ::ndn::Buffer>(m_virtualPayloadSize));
  Signature signature;
    if (m_keyLocator.size() > 0) {
    signatureInfo.setKeyLocator(m_keyLocator);
  }
  signature.setInfo(signatureInfo);
  signature.setValue(::ndn::makeNonNegativeIntegerBlock(::ndn::tlv::SignatureValue, m_signature));
  data->setSignature(signature);
  NS_LOG_INFO("node(" << GetNode()->GetId() << ") responding with Data: " << data->getName());
  data->wireEncode();
  // FwcontentCopyTag contentCopyTag;
 // data->GetPayload()->AddPacketTag(contentCopyTag);
  m_transmittedDatas(data, this, m_face);
  m_appLink->onReceiveData(*data);
    

the red sentence is the question of me  ?  I want use that to add a tag ,but it is Useless;
so, I want to consult a way to achieve my ideal. thankyou!
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