C++ (Cpp) getInterestLifetime示例

示例#1

文件： interest.cpp 项目： vusirikala/ndn-cxx

size_t
Interest::wireEncode(EncodingImpl<TAG>& block) const
{
  size_t totalLength = 0;

  // Interest ::= INTEREST-TYPE TLV-LENGTH
  //                Name
  //                Selectors?
  //                Nonce
  //                Scope?
  //                InterestLifetime?
  //                Link?
  //                SelectedDelegation?

  // (reverse encoding)
  if (hasLink()) {
    if (hasSelectedDelegation()) {
      totalLength += prependNonNegativeIntegerBlock(block,
                                                    tlv::SelectedDelegation,
                                                    m_selectedDelegationIndex);
    }
    totalLength += prependBlock(block, m_link);
  }
  else {
    BOOST_ASSERT(!hasSelectedDelegation());
  }

  // InterestLifetime
  if (getInterestLifetime() >= time::milliseconds::zero() &&
      getInterestLifetime() != DEFAULT_INTEREST_LIFETIME)
    {
      totalLength += prependNonNegativeIntegerBlock(block,
                                                    tlv::InterestLifetime,
                                                    getInterestLifetime().count());
    }

  // Scope
  if (getScope() >= 0)
    {
      totalLength += prependNonNegativeIntegerBlock(block, tlv::Scope, getScope());
    }

  // Nonce
  getNonce(); // to ensure that Nonce is properly set
  totalLength += block.prependBlock(m_nonce);

  // Selectors
  if (hasSelectors())
    {
      totalLength += getSelectors().wireEncode(block);
    }

  // Name
  totalLength += getName().wireEncode(block);

  totalLength += block.prependVarNumber(totalLength);
  totalLength += block.prependVarNumber(tlv::Interest);
  return totalLength;
}

示例#2

文件： interest.cpp 项目： named-data/ndn-cxx

size_t
Interest::encode03(EncodingImpl<TAG>& encoder) const
{
  size_t totalLength = 0;

  // Encode as NDN Packet Format v0.3
  // Interest ::= INTEREST-TYPE TLV-LENGTH
  //                Name
  //                CanBePrefix?
  //                MustBeFresh?
  //                ForwardingHint?
  //                Nonce?
  //                InterestLifetime?
  //                HopLimit?
  //                ApplicationParameters?

  // (reverse encoding)

  // ApplicationParameters
  if (hasApplicationParameters()) {
    totalLength += encoder.prependBlock(getApplicationParameters());
  }

  // HopLimit: not yet supported

  // InterestLifetime
  if (getInterestLifetime() != DEFAULT_INTEREST_LIFETIME) {
    totalLength += prependNonNegativeIntegerBlock(encoder, tlv::InterestLifetime,
                                                  static_cast<uint64_t>(getInterestLifetime().count()));
  }

  // Nonce
  uint32_t nonce = getNonce(); // if nonce was unset, getNonce generates a random nonce
  totalLength += encoder.prependByteArrayBlock(tlv::Nonce, reinterpret_cast<uint8_t*>(&nonce), sizeof(nonce));

  // ForwardingHint
  if (!getForwardingHint().empty()) {
    totalLength += getForwardingHint().wireEncode(encoder);
  }

  // MustBeFresh
  if (getMustBeFresh()) {
    totalLength += prependEmptyBlock(encoder, tlv::MustBeFresh);
  }

  // CanBePrefix
  if (getCanBePrefix()) {
    totalLength += prependEmptyBlock(encoder, tlv::CanBePrefix);
  }

  // Name
  totalLength += getName().wireEncode(encoder);

  totalLength += encoder.prependVarNumber(totalLength);
  totalLength += encoder.prependVarNumber(tlv::Interest);
  return totalLength;
}

示例#3

文件： interest.cpp 项目： cawka/ndn-cxx

size_t
Interest::wireEncode(EncodingImpl<TAG>& encoder) const
{
  size_t totalLength = 0;

  // Interest ::= INTEREST-TYPE TLV-LENGTH
  //                Name
  //                Selectors?
  //                Nonce
  //                InterestLifetime?
  //                ForwardingHint?

  // (reverse encoding)

  // ForwardingHint
  if (m_forwardingHint.size() > 0) {
    totalLength += m_forwardingHint.wireEncode(encoder);
  }

  // InterestLifetime
  if (getInterestLifetime() != DEFAULT_INTEREST_LIFETIME) {
    totalLength += prependNonNegativeIntegerBlock(encoder,
                                                  tlv::InterestLifetime,
                                                  getInterestLifetime().count());
  }

  // Nonce
  uint32_t nonce = this->getNonce(); // assigns random Nonce if needed
  totalLength += encoder.prependByteArray(reinterpret_cast<uint8_t*>(&nonce), sizeof(nonce));
  totalLength += encoder.prependVarNumber(sizeof(nonce));
  totalLength += encoder.prependVarNumber(tlv::Nonce);

  // Selectors
  if (hasSelectors()) {
    totalLength += getSelectors().wireEncode(encoder);
  }

  // Name
  totalLength += getName().wireEncode(encoder);

  totalLength += encoder.prependVarNumber(totalLength);
  totalLength += encoder.prependVarNumber(tlv::Interest);
  return totalLength;
}

示例#4

文件： interest.cpp 项目： named-data/ndn-cxx

size_t
Interest::encode02(EncodingImpl<TAG>& encoder) const
{
  size_t totalLength = 0;

  // Encode as NDN Packet Format v0.2
  // Interest ::= INTEREST-TYPE TLV-LENGTH
  //                Name
  //                Selectors?
  //                Nonce
  //                InterestLifetime?
  //                ForwardingHint?

  // (reverse encoding)

  // ForwardingHint
  if (getForwardingHint().size() > 0) {
    totalLength += getForwardingHint().wireEncode(encoder);
  }

  // InterestLifetime
  if (getInterestLifetime() != DEFAULT_INTEREST_LIFETIME) {
    totalLength += prependNonNegativeIntegerBlock(encoder, tlv::InterestLifetime,
                                                  static_cast<uint64_t>(getInterestLifetime().count()));
  }

  // Nonce
  uint32_t nonce = getNonce(); // if nonce was unset, getNonce generates a random nonce
  totalLength += encoder.prependByteArrayBlock(tlv::Nonce, reinterpret_cast<uint8_t*>(&nonce), sizeof(nonce));

  // Selectors
  if (hasSelectors()) {
    totalLength += getSelectors().wireEncode(encoder);
  }

  // Name
  totalLength += getName().wireEncode(encoder);

  totalLength += encoder.prependVarNumber(totalLength);
  totalLength += encoder.prependVarNumber(tlv::Interest);
  return totalLength;
}

示例#5

文件： notification-subscriber.hpp 项目： named-data-ndnSIM/ndn-cxx

  void
  sendInitialInterest()
  {
    if (this->shouldStop())
      return;

    shared_ptr<Interest> interest = make_shared<Interest>(m_prefix);
    interest->setMustBeFresh(true);
    interest->setChildSelector(1);
    interest->setInterestLifetime(getInterestLifetime());

    m_lastInterestId = m_face.expressInterest(*interest,
                         bind(&NotificationSubscriber<Notification>::afterReceiveData, this, _2),
                         bind(&NotificationSubscriber<Notification>::afterReceiveNack, this, _2),
                         bind(&NotificationSubscriber<Notification>::afterTimeout, this));
  }

示例#6

文件： notification-subscriber.hpp 项目： named-data-ndnSIM/ndn-cxx

  void
  sendNextInterest()
  {
    if (this->shouldStop())
      return;

    BOOST_ASSERT(m_lastSequenceNo !=
                 std::numeric_limits<uint64_t>::max());// overflow or missing initial reply

    Name nextName = m_prefix;
    nextName.appendSequenceNumber(m_lastSequenceNo + 1);

    shared_ptr<Interest> interest = make_shared<Interest>(nextName);
    interest->setInterestLifetime(getInterestLifetime());

    m_lastInterestId = m_face.expressInterest(*interest,
                         bind(&NotificationSubscriber<Notification>::afterReceiveData, this, _2),
                         bind(&NotificationSubscriber<Notification>::afterReceiveNack, this, _2),
                         bind(&NotificationSubscriber<Notification>::afterTimeout, this));
  }