SNDUPacket.hh

Go to the documentation of this file.

//
// 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_MPEGDVBBundle_SNDUPacket_
#define HH_SENF_Packets_MPEGDVBBundle_SNDUPacket_ 1

// Custom includes
#include <boost/crc.hpp>
#include <senf/Packets/Packets.hh>
#include <senf/Packets/DefaultBundle/EthernetPacket.hh>

//#include "SNDUPacket.mpp"
//-/////////////////////////////////////////////////////////////////////////////////////////////////

namespace senf {

    struct SNDUPacketParser : public PacketParserBase
    {
#       include SENF_PARSER()

        /* We first define the fields as they appear in the field. Some of the fields are declared
           private. We provide custom accessors for those fields further down. */

        SENF_PARSER_PRIVATE_BITFIELD( d_bit_,  1 , unsigned );
        SENF_PARSER_BITFIELD        ( length, 15 , unsigned );
        SENF_PARSER_FIELD           ( type,   UInt16Parser  );
        SENF_PARSER_PRIVATE_VARIANT ( destination_, d_bit_,
                (MACAddressParser) (VoidPacketParser) );

        SENF_PARSER_FINALIZE( SNDUPacketParser );

        MACAddressParser destination()  
            { return destination_().get<0>(); }

        bool d_bit()                    
            { return d_bit_(); }

        void withDestination()          
            { destination_().init<0>(); }

        void withoutDestination()       
            { destination_().init<1>(); }

        UInt32Parser crc()
            { return parse<UInt32Parser>( data().size() - 4 ); }

        boost::uint32_t calcCrc() const;
    };


    struct ULEExtHeaderTypes {
        typedef boost::uint16_t key_t;
    };

    struct SNDUPacketType
        : public PacketTypeBase
//          public PacketTypeMixin<SNDUPacketType, ULEExtHeaderTypes>
    {
//        typedef PacketTypeMixin<SNDUPacketType, ULEExtHeaderType> mixin;
        typedef ConcretePacket<SNDUPacketType> packet;
        typedef SNDUPacketParser parser;

//        using mixin::nextPacketRange;
//        using mixin::nextPacketType;
//        using mixin::init;

//        static key_t nextPacketKey(packet p);

        static void init(packet p);
        static factory_t nextPacketType(packet p);
        static optional_range nextPacketRange(packet p);
        static void dump(packet p, std::ostream & os);
        static PacketParserBase::size_type initSize();
        static PacketParserBase::size_type initHeadSize();
    };

    typedef SNDUPacketType::packet SNDUPacket;

    typedef boost::crc_optimal<32, 0x04C11DB7, 0xFFFFFFFF, 0, false, false> ule_crc32;


#   define ULE_END_INDICATOR 0xffff
}


//-/////////////////////////////////////////////////////////////////////////////////////////////////
//#include "SNDUPacket.cci"
//#include "SNDUPacket.ct"
//#include "SNDUPacket.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: