Ejemplos de NFD_LOG_FACE_DEBUG en C++ (Cpp)

Ejemplo n.º 1

Archivo: generic-link-service.cpp Proyecto: named-data/NFD

void
GenericLinkService::checkCongestionLevel(lp::Packet& pkt)
{
  ssize_t sendQueueLength = getTransport()->getSendQueueLength();
  // This operation requires that the transport supports retrieving current send queue length
  if (sendQueueLength < 0) {
    return;
  }

  // To avoid overflowing the queue, set the congestion threshold to at least half of the send
  // queue capacity.
  size_t congestionThreshold = m_options.defaultCongestionThreshold;
  if (getTransport()->getSendQueueCapacity() >= 0) {
    congestionThreshold = std::min(congestionThreshold,
                                   static_cast<size_t>(getTransport()->getSendQueueCapacity()) /
                                                       DEFAULT_CONGESTION_THRESHOLD_DIVISOR);
  }

  if (sendQueueLength > 0) {
    NFD_LOG_FACE_TRACE("txqlen=" << sendQueueLength << " threshold=" << congestionThreshold <<
                       " capacity=" << getTransport()->getSendQueueCapacity());
  }

  if (static_cast<size_t>(sendQueueLength) > congestionThreshold) { // Send queue is congested
    const auto now = time::steady_clock::now();
    if (now >= m_nextMarkTime || now >= m_lastMarkTime + m_options.baseCongestionMarkingInterval) {
      // Mark at most one initial packet per baseCongestionMarkingInterval
      if (m_nMarkedSinceInMarkingState == 0) {
        m_nextMarkTime = now;
      }

      // Time to mark packet
      pkt.set<lp::CongestionMarkField>(1);
      ++nCongestionMarked;
      NFD_LOG_FACE_DEBUG("LpPacket was marked as congested");

      ++m_nMarkedSinceInMarkingState;
      // Decrease the marking interval by the inverse of the square root of the number of packets
      // marked in this incident of congestion
      m_nextMarkTime += time::nanoseconds(static_cast<time::nanoseconds::rep>(
                                            m_options.baseCongestionMarkingInterval.count() /
                                            std::sqrt(m_nMarkedSinceInMarkingState)));
      m_lastMarkTime = now;
    }
  }
  else if (m_nextMarkTime != time::steady_clock::TimePoint::max()) {
    // Congestion incident has ended, so reset
    NFD_LOG_FACE_DEBUG("Send queue length dropped below congestion threshold");
    m_nextMarkTime = time::steady_clock::TimePoint::max();
    m_nMarkedSinceInMarkingState = 0;
  }
}

Ejemplo n.º 2

Archivo: datagram-transport.hpp Proyecto: cawka/NFD

void
DatagramTransport<T, U>::processErrorCode(const boost::system::error_code& error)
{
  NFD_LOG_FACE_TRACE(__func__);

  if (getState() == TransportState::CLOSING ||
      getState() == TransportState::FAILED ||
      getState() == TransportState::CLOSED ||
      error == boost::asio::error::operation_aborted) {
    // transport is shutting down, ignore any errors
    return;
  }

  if (getPersistency() == ndn::nfd::FACE_PERSISTENCY_PERMANENT) {
    NFD_LOG_FACE_DEBUG("Permanent face ignores error: " << error.message());
    return;
  }

  NFD_LOG_FACE_ERROR("Send or receive operation failed: " << error.message());
  this->setState(TransportState::FAILED);
  doClose();
}