src/node/llc-snap-header.cc
author Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
Wed, 08 Aug 2007 09:12:55 +0200
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parent 1152 1d06449f0a98
child 1234 ca195a6a7e1e
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remove Chunk base class
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/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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 * Copyright (c) 2005 INRIA
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 * All rights reserved.
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License version 2 as
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 * published by the Free Software Foundation;
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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 */
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#include "llc-snap-header.h"
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#include "ns3/assert.h"
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#include <string>
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NS_HEADER_ENSURE_REGISTERED (ns3::LlcSnapHeader);
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namespace ns3 {
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uint32_t
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LlcSnapHeader::GetUid (void)
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{
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  static uint32_t uid = Header::Register<LlcSnapHeader> ("LlcSnapHeader.ns3");
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  return uid;
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}
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LlcSnapHeader::LlcSnapHeader ()
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{}
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void 
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LlcSnapHeader::SetType (uint16_t type)
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{
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  m_etherType = type;
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}
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uint16_t
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LlcSnapHeader::GetType (void)
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{
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  return m_etherType;
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}
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uint32_t 
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LlcSnapHeader::GetSerializedSize (void) const
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{
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  return 1 + 1 + 1 + 3 + 2;
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}
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std::string
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LlcSnapHeader::GetName (void) const
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{
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  return "LLCSNAP";
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}
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void 
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LlcSnapHeader::Print (std::ostream &os) const
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{
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  os << "(type 0x";
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  os.setf (std::ios::hex, std::ios::basefield);
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  os << m_etherType;
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  os.setf (std::ios::dec, std::ios::basefield);
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  os << ")";
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}
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void
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LlcSnapHeader::Serialize (Buffer::Iterator start) const
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{
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  Buffer::Iterator i = start;
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  uint8_t buf[] = {0xaa, 0xaa, 0x03, 0, 0, 0};
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  i.Write (buf, 6);
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  i.WriteHtonU16 (m_etherType);
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}
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uint32_t
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LlcSnapHeader::Deserialize (Buffer::Iterator start)
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{
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  Buffer::Iterator i = start;
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  i.Next (5+1);
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  m_etherType = i.ReadNtohU16 ();
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  return GetSerializedSize ();
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}
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} // namespace ns3