MPESection.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_MPEGDVBBundle_MPESection_
#define HH_SENF_Packets_MPEGDVBBundle_MPESection_ 1

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

//#include "MPESection.mpp"
//-/////////////////////////////////////////////////////////////////////////////////////////////////

namespace senf {

    struct MPERealTimeParametersParser : public PacketParserBase
    {
#       include SENF_FIXED_PARSER()

        SENF_PARSER_BITFIELD( delta_t,        12, unsigned );
        SENF_PARSER_BITFIELD( table_boundary,  1,  bool    );
        SENF_PARSER_BITFIELD( frame_boundary,  1,  bool    );
        SENF_PARSER_BITFIELD( address,        18, unsigned );

        SENF_PARSER_FINALIZE( MPERealTimeParametersParser );
    };


    class MPESectionParser : public PacketParserBase
    {
    public:
#       include SENF_FIXED_PARSER()

        SENF_PARSER_FIELD( table_id, UInt8Parser );

        SENF_PARSER_BITFIELD        ( section_syntax_indicator, 1,  bool     );
        SENF_PARSER_BITFIELD        ( private_indicator,        1,  bool     );
        SENF_PARSER_PRIVATE_BITFIELD( reserved_1,               2,  unsigned );
        SENF_PARSER_BITFIELD        ( section_length,           12, unsigned );

        SENF_PARSER_FIELD( mac_addr_6, UInt8Parser );
        SENF_PARSER_FIELD( mac_addr_5, UInt8Parser );

        SENF_PARSER_PRIVATE_BITFIELD( reserved_2,          2, unsigned );
        SENF_PARSER_BITFIELD        ( payload_scrmbl_ctrl, 2, unsigned );
        SENF_PARSER_BITFIELD        ( addr_scrmbl_ctrl,    2, unsigned );
        SENF_PARSER_BITFIELD        ( llc_snap_flag,       1, bool     );
        SENF_PARSER_BITFIELD        ( curr_next_indicator, 1, bool     );

        SENF_PARSER_FIELD( section_num,      UInt8Parser );
        SENF_PARSER_FIELD( last_section_num, UInt8Parser );

        SENF_PARSER_FIELD( real_time_parameters, MPERealTimeParametersParser );

        SENF_PARSER_FINALIZE( MPESectionParser );

        SENF_PARSER_PRIVATE_BITFIELD( ip_datagram_version, 4, unsigned );

        SENF_PARSER_INIT() {
            table_id() = 0x3e;
            section_syntax_indicator() = 1;
            private_indicator() = 0;
            reserved_1() = 3;
            reserved_2() = 3;
            payload_scrmbl_ctrl() = 0;
            addr_scrmbl_ctrl() = 0;
            curr_next_indicator() = 1;
        }

        UInt32Parser crc() const { return parse<UInt32Parser>( data().size()-4 ); }
        boost::uint32_t calcCrc() const;

        friend struct MPESectionType;

    private:
        typedef boost::crc_optimal<32, 0x04C11DB7, 0xFFFFFFFF, 0, false, false> crc32_t;
    };


    struct MPESectionType
        : public PacketTypeBase,
          public PacketTypeMixin<MPESectionType>
    {
        typedef PacketTypeMixin<MPESectionType> mixin;
        typedef ConcretePacket<MPESectionType> packet; 
        typedef MPESectionParser parser;               

        using mixin::nextPacketRange;
        using mixin::init;

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

        static void finalize(packet p);

        static factory_t nextPacketType(packet p);

        static PacketParserBase::size_type initSize();
        static PacketParserBase::size_type initHeadSize();
    };

    typedef ConcretePacket<MPESectionType> MPESection;
    SENF_PACKET_PREVENT_TEMPLATE_INSTANTIATION( MPESection );
}

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