1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

     2 /*

     3  * Copyright (c) 2010 Hemanth Narra

     4  *

     5  * This program is free software; you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License version 2 as

     7  * published by the Free Software Foundation;

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    17  *

    18  * Author: Hemanth Narra <hemanth@ittc.ku.com>

    19  *

    20  * James P.G. Sterbenz <jpgs@ittc.ku.edu>, director

    21  * ResiliNets Research Group  http://wiki.ittc.ku.edu/resilinets

    22  * Information and Telecommunication Technology Center (ITTC)

    23  * and Department of Electrical Engineering and Computer Science

    24  * The University of Kansas Lawrence, KS USA.

    25  *

    26  * Work supported in part by NSF FIND (Future Internet Design) Program

    27  * under grant CNS-0626918 (Postmodern Internet Architecture),

    28  * NSF grant CNS-1050226 (Multilayer Network Resilience Analysis and Experimentation on GENI),

    29  * US Department of Defense (DoD), and ITTC at The University of Kansas.

    30  */

    31 #ifndef DSDVPACKET_H_

    32 #define DSDVPACKET_H_

    33 

    34 #include <iostream>

    35 #include "ns3/header.h"

    36 #include "ns3/ipv4-address.h"

    37 #include "ns3/nstime.h"

    38 

    39 namespace ns3 {

    40 namespace dsdv {

    41 /**

    42  * \ingroup dsdv

    43  * \brief DSDV Update Packet Format

    44  * \verbatim

    45  |      0        |      1        |      2        |       3       |

    46   0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7

    47  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

    48  |                      Destination Address                      |

    49  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

    50  |                            HopCount                           |

    51  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

    52  |                       Sequence Number                         |

    53  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

    54  */

    55 

    56 class DsdvHeader : public Header

    57 {

    58 public:

    59   DsdvHeader (Ipv4Address dst = Ipv4Address (), uint32_t hopcount = 0, uint32_t dstSeqNo = 0);

    60   virtual ~DsdvHeader ();

    61   static TypeId GetTypeId (void);

    62   virtual TypeId GetInstanceTypeId (void) const;

    63   virtual uint32_t GetSerializedSize () const;

    64   virtual void Serialize (Buffer::Iterator start) const;

    65   virtual uint32_t Deserialize (Buffer::Iterator start);

    66   virtual void Print (std::ostream &os) const;

    67 

    68   void

    69   SetDst (Ipv4Address destination)

    70   {

    71     m_dst = destination;

    72   }

    73   Ipv4Address

    74   GetDst () const

    75   {

    76     return m_dst;

    77   }

    78   void

    79   SetHopCount (uint32_t hopCount)

    80   {

    81     m_hopCount = hopCount;

    82   }

    83   uint32_t

    84   GetHopCount () const

    85   {

    86     return m_hopCount;

    87   }

    88   void

    89   SetDstSeqno (uint32_t sequenceNumber)

    90   {

    91     m_dstSeqNo = sequenceNumber;

    92   }

    93   uint32_t

    94   GetDstSeqno () const

    95   {

    96     return m_dstSeqNo;

    97   }

    98 private:

    99   Ipv4Address m_dst;     // /< Destination IP Address

   100   uint32_t m_hopCount;     // /< Number of Hops

   101   uint32_t m_dstSeqNo;     // /< Destination Sequence Number

   102 };

   103 static inline std::ostream & operator<< (std::ostream& os, const DsdvHeader & packet)

   104 {

   105   packet.Print (os);

   106   return os;

   107 }

   108 }

   109 }

   110 #endif /* DSDVPACKET_H_ */