IPv6Packet.hh

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//
// Copyright (c) 2020 Fraunhofer Institute for Applied Information Technology (FIT)
//                    Network Research Group (NET)
//                    Schloss Birlinghoven, 53754 Sankt Augustin, GERMANY
//                    Contact: support@wiback.org
//
// This file is part of the SENF code tree.
// It is licensed under the 3-clause BSD License (aka New BSD License).
// See LICENSE.txt in the top level directory for details or visit
// https://opensource.org/licenses/BSD-3-Clause
//


#ifndef HH_SENF_Packets_DefaultBundle_IPv6Packet_
#define HH_SENF_Packets_DefaultBundle_IPv6Packet_ 1

// Custom includes
#include <senf/Socket/Protocols/INet/INet6Address.hh>
#include <senf/Packets/Packets.hh>
#include "Registries.hh"

//-/////////////////////////////////////////////////////////////////////////////////////////////////

namespace senf {

    struct INet6AddressParser
        : public ArrayValueParserBase<INet6AddressParser, INet6Address>
    {
        INet6AddressParser(data_iterator i, state_type s) : Base(i,s) {}

        using Base::operator=;
    };

    struct IPv6PacketParser : public PacketParserBase
    {
#       include SENF_FIXED_PARSER()

        SENF_PARSER_BITFIELD( version,       4, unsigned );
        SENF_PARSER_BITFIELD( trafficClass,  8, unsigned );
        SENF_PARSER_BITFIELD( flowLabel,    20, unsigned );

        SENF_PARSER_FIELD( length,       UInt16Parser       );
        SENF_PARSER_FIELD( nextHeader,   UInt8Parser        );
        SENF_PARSER_FIELD( hopLimit,     UInt8Parser        );
        SENF_PARSER_FIELD( source,       INet6AddressParser );
        SENF_PARSER_FIELD( destination,  INet6AddressParser );

        SENF_PARSER_FINALIZE( IPv6PacketParser );

        SENF_PARSER_INIT() {
            version() = 6;
        }
    };

    struct IPv6PacketType
        : public PacketTypeBase,
          public PacketTypeMixin<IPv6PacketType, IPTypes>
    {
        typedef PacketTypeMixin<IPv6PacketType, IPTypes> mixin;
        typedef ConcretePacket<IPv6PacketType> packet; 
        typedef IPv6PacketParser parser;               

        using mixin::nextPacketRange;
        using mixin::nextPacketType;
        using mixin::initSize;
        using mixin::init;

        static key_t nextPacketKey(packet p)
            { return p->nextHeader(); }

        static void dump(packet p, std::ostream & os);

        static void finalize(packet p); 

        static const EtherTypes::key_t etherType = 0x86dd;
    };

    typedef ConcretePacket<IPv6PacketType> IPv6Packet;
    SENF_PACKET_PREVENT_TEMPLATE_INSTANTIATION( IPv6Packet );
}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
//#include "IPv6Packet.cci"
//#include "IPv6Packet.ct"
//#include "IPv6Packet.cti"
#endif


// Local Variables:
// mode: c++
// fill-column: 100
// c-file-style: "senf"
// indent-tabs-mode: nil
// ispell-local-dictionary: "american"
// compile-command: "scons -u test"
// comment-column: 40
// End: