예제 #1
0
uint32_t
PeerLinkFrameStart::Deserialize (Buffer::Iterator start)
{
  Buffer::Iterator i = start;
  NS_ASSERT (m_subtype < 3);
  {
    uint8_t id = i.ReadU8 ();
    uint8_t length = i.ReadU8 ();
    m_protocol.DeserializeInformationField (i, length);
    if ((m_protocol.ElementId () != (WifiInformationElementId) id) || (m_protocol.GetInformationFieldSize () != length))
      {
        NS_FATAL_ERROR ("Broken frame: Element ID does not match IE itself!");
      }
    i.Next (m_protocol.GetInformationFieldSize ());
  }
  if ((uint8_t)(WifiActionHeader::PEER_LINK_CLOSE) != m_subtype)
    {
      m_capability = i.ReadLsbtohU16 ();
    }
  if ((uint8_t)(WifiActionHeader::PEER_LINK_CONFIRM) == m_subtype)
    {
      m_aid = i.ReadLsbtohU16 ();
    }
  if ((uint8_t)(WifiActionHeader::PEER_LINK_CLOSE) != m_subtype)
    {
      i = m_rates.Deserialize (i);
      i = m_rates.extended.DeserializeIfPresent (i);
    }
  if ((uint8_t)(WifiActionHeader::PEER_LINK_CONFIRM) != m_subtype)
    {
      uint8_t id = i.ReadU8 ();
      uint8_t length = i.ReadU8 ();
      m_meshId.DeserializeInformationField (i, length);
      if ((m_meshId.ElementId () != (WifiInformationElementId) id) || (m_meshId.GetInformationFieldSize () != length))
        {
          NS_FATAL_ERROR ("Broken frame: Element ID does not match IE itself!");
        }
      i.Next (m_meshId.GetInformationFieldSize ());
    }
  if ((uint8_t)(WifiActionHeader::PEER_LINK_CLOSE) != m_subtype)
    {
      uint8_t id = i.ReadU8 ();
      uint8_t length = i.ReadU8 ();
      m_config.DeserializeInformationField (i, length);
      if ((m_config.ElementId () != (WifiInformationElementId) id) || (m_config.GetInformationFieldSize () != length))
        {
          NS_FATAL_ERROR ("Broken frame: Element ID does not match IE itself!");
        }
      i.Next (m_config.GetInformationFieldSize ());
    }
  else
    {
      m_reasonCode = i.ReadLsbtohU16 ();
    }
  return i.GetDistanceFrom (start);
}
예제 #2
0
uint8_t
IePerr::DeserializeInformationField (Buffer::Iterator start, uint8_t length)
{
  Buffer::Iterator i = start;
  i.Next (1); //Mode flags is not used now
  uint8_t numOfDest = i.ReadU8 ();
  NS_ASSERT ((2 + 10 * numOfDest ) == length);
  length = 0; //to avoid compiler warning in optimized builds
  for (unsigned int j = 0; j < numOfDest; j++)
    {
      HwmpProtocol::FailedDestination unit;
      ReadFrom (i, unit.destination);
      unit.seqnum = i.ReadLsbtohU32 ();
      m_addressUnits.push_back (unit);
    }
  return i.GetDistanceFrom (start);
}