Packets/DefaultBundle/ICMPv6Packet.hh

   1 // $Id$
   2 //
   3 // Copyright (C) 2008
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Philipp Batroff <pug@berlios.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 #ifndef HH_SENF_Packets_DefaultBundle_ICMPv6Packet_
  24 #define HH_SENF_Packets_DefaultBundle_ICMPv6Packet_ 1
  25
  26 // Custom includes
  27 #include "../../Packets/Packets.hh"
  28 #include "../../Packets/DefaultBundle/IPv6Packet.hh"
  29
  30 namespace senf
  31 {
  32
  33     struct ICMPv6PacketParser : public PacketParserBase
  34     {
  35 #       include SENF_FIXED_PARSER()
  36         SENF_PARSER_FIELD ( type,     UInt8Parser  );
  37         SENF_PARSER_FIELD ( code,     UInt8Parser  );
  38         SENF_PARSER_FIELD ( checksum, UInt16Parser );
  39
  40         SENF_PARSER_FINALIZE ( ICMPv6PacketParser );
  41
  42         boost::uint16_t calcChecksum() const;
  43     };
  44
  45     struct ICMPTypes {
  46         // ICMP type registry
  47         typedef boost::uint16_t key_t;
  48     };
  49
  50     /** \brief ICMP Packet for IPv6
  51
  52         \par Packet type (typedef):
  53             \ref ICMPv6Packet
  54
  55         \par Fields:
  56             \ref ICMPv6PacketParser
  57             \image html ICMPv6Packet.png
  58
  59         \par Associated registries:
  60             \ref ICMPTypes
  61
  62         \ingroup protocolbundle_default
  63      */
  64     struct ICMPv6PacketType
  65         : public PacketTypeBase,
  66           public PacketTypeMixin<ICMPv6PacketType, ICMPTypes>
  67     {
  68         typedef PacketTypeMixin<ICMPv6PacketType, ICMPTypes> mixin;
  69         typedef ConcretePacket<ICMPv6PacketType> packet;
  70         typedef ICMPv6PacketParser parser;
  71
  72         using mixin::nextPacketRange;
  73         using mixin::nextPacketType;
  74         using mixin::init;
  75         using mixin::initSize;
  76
  77         static void dump(packet p, std::ostream & os);
  78
  79         static IpTypes::key_t nextPacketKey(packet p) {
  80             return p->type();
  81         }
  82
  83         static void finalize(packet p) {
  84             p->checksum() << p->calcChecksum();
  85             p->type() << key(p.next(senf::nothrow));
  86         }
  87     };
  88
  89     typedef ConcretePacket<ICMPv6PacketType> ICMPv6Packet;
  90 }
  91
  92 #endif
  93
  94 \f
  95 // Local Variables:
  96 // mode: c++
  97 // fill-column: 100
  98 // c-file-style: "senf"
  99 // indent-tabs-mode: nil
 100 // ispell-local-dictionary: "american"
 101 // compile-command: "scons -u test"
 102 // comment-column: 40
 103 // End:
 104 ss