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MPEGDVBBundle/DTCPPacket.hh

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// $Id: DTCPPacket.hh 1754 2010-12-09 15:45:42Z tho $
//
// Copyright (C) 2007
// Fraunhofer (FOKUS)
// Competence Center NETwork research (NET), St. Augustin, GERMANY
//     David Wagner <dw6@berlios.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the
// Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

#ifndef HH_SENF_Packets_MPEGDVBBundle_DTCPPacket_
#define HH_SENF_Packets_MPEGDVBBundle_DTCPPacket_ 1

// Custom includes
#include <senf/Packets/DefaultBundle/IPv6Packet.hh>

//#include "DTCPPacket.mpp"
//-/////////////////////////////////////////////////////////////////////////////////////////////////

namespace senf {

#   define DTCP_V4_MCADDRESS "224.0.0.36"
#   define DTCP_V6_MCADDRESS "FF02:0:0:0:0:0:1:4"
#   define DTCP_UDP_PORT 652

    struct DTCPIPv4AddressListParser : public PacketParserBase
    {
#       include SENF_PARSER()

        SENF_PARSER_PRIVATE_FIELD( fbipCount_, UInt8Parser ); //<pkgdraw: hide
        SENF_PARSER_PRIVATE_FIELD( reserved_, UInt8Parser ); //<pkgdraw: hide

        SENF_PARSER_VECTOR( fbips, fbipCount_, INet4AddressParser );

        // Needed since we do NOT want to init fbipCount_ or reseverd_. And since
        // INet4AddressParser::init() is a no-op, we can just as well disable init completely
        SENF_PARSER_INIT() {}

        SENF_PARSER_FINALIZE(DTCPIPv4AddressListParser);
    };

    struct DTCPIPv6AddressListParser : public PacketParserBase
    {
#       include SENF_PARSER()

        SENF_PARSER_PRIVATE_FIELD( fbipCount_, UInt8Parser ); //<pkgdraw: hide
        SENF_PARSER_PRIVATE_FIELD( reserved_, UInt8Parser ); //<pkgdraw: hide

        SENF_PARSER_VECTOR( fbips, fbipCount_, INet6AddressParser );

        // Needed since we do NOT want to init fbipCount_ or reseverd_. And since
        // INet4AddressParser::init() is a no-op, we can just as well disable init completely
        SENF_PARSER_INIT() {}

        SENF_PARSER_FINALIZE(DTCPIPv6AddressListParser);
    };

    struct DTCPHelloPacketParser : public PacketParserBase
    {
#       include SENF_PARSER()

        //>pkgdraw: name=vers
        SENF_PARSER_BITFIELD         ( versionNumber,        4, unsigned );  // must be 1
        SENF_PARSER_BITFIELD         ( command,              4, unsigned );  //<pkgdraw: name=cmd

        enum Command { JOIN=1, LEAVE=2 };

        SENF_PARSER_FIELD            ( interval,             UInt8Parser );  // should be 5
        SENF_PARSER_FIELD            ( sequenceNumber,       UInt16Parser );

        SENF_PARSER_PRIVATE_BITFIELD ( reserved0_,           3, unsigned );  //<pkgdraw: name=
        SENF_PARSER_BITFIELD         ( receiveCapableFeed,   1, bool );
        SENF_PARSER_BITFIELD_RO      ( ipVersion,            4, unsigned );  // 4=IPv4, 6=IPv6

        SENF_PARSER_FIELD            ( tunnelProtocol,       UInt8Parser );
        SENF_PARSER_FIELD_RO         ( fbipCount,            UInt8Parser );
        //>pkgdraw: name=
        SENF_PARSER_PRIVATE_FIELD    ( reserved1_,           UInt8Parser );  // must be zero

        // Go back to fbipCount so the variant has access to that field
        SENF_PARSER_GOTO( fbipCount );

        SENF_PARSER_VARIANT          ( fbipList_,            ipVersion,
                           ( ids(na, has_v4fbipList, init_v4fbipList,
                                 key(4, DTCPIPv4AddressListParser)) )
                           ( ids(na, has_v6fbipList, init_v6fbipList,
                                 key(6, DTCPIPv6AddressListParser)) ) );

        // We define the two variant accessors ourselves so we can directly return the vector and
        // not the collection parser which contains the vector ...

        typedef DTCPIPv4AddressListParser::fbips_t v4fbipList_t;
        v4fbipList_t v4fbipList() { return fbipList_().get<0>().fbips(); }

        typedef DTCPIPv6AddressListParser::fbips_t v6fbipList_t;
        v6fbipList_t v6fbipList() { return fbipList_().get<1>().fbips(); }

        SENF_PARSER_FINALIZE(DTCPHelloPacketParser);
    };

    struct DTCPHelloPacketType
        : public PacketTypeBase,
          public PacketTypeMixin<DTCPHelloPacketType>
    {
        typedef PacketTypeMixin<DTCPHelloPacketType> mixin;
        typedef ConcretePacket<DTCPHelloPacketType> packet;
        typedef DTCPHelloPacketParser parser;

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

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

    typedef DTCPHelloPacketType::packet DTCPHelloPacket;
}

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


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

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