X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Packets%2FMPEGDVBBundle%2FTLVPacket.hh;h=f52da1cdb4fb384951d7b09a155a955f570faff2;hb=ae06fe86f16fdabb7ffb219d255444d2eb4f4f79;hp=08de4cd3982754c0954fe342de7f388572de5c0c;hpb=8fec9fd54d7814bb93d235f6dd14641f3b16daea;p=senf.git diff --git a/Packets/MPEGDVBBundle/TLVPacket.hh b/Packets/MPEGDVBBundle/TLVPacket.hh index 08de4cd..f52da1c 100644 --- a/Packets/MPEGDVBBundle/TLVPacket.hh +++ b/Packets/MPEGDVBBundle/TLVPacket.hh @@ -1,4 +1,4 @@ -// $Id: SNDUPacket.hh 423 2007-08-31 22:05:37Z g0dil $ +// $Id$ // // Copyright (C) 2007 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS) @@ -21,23 +21,20 @@ // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. /** \file - \brief SNDUPacket public header */ + \brief TLVPacket public header */ #ifndef HH_TLVPacket_ #define HH_TLVPacket_ 1 // Custom includes #include -#include "../../Packets/PacketType.hh" -#include "../../Packets/ParseInt.hh" -#include "../../Packets/PacketParser.hh" +#include "../../Packets/Packets.hh" //#include "TLVPacket.mpp" ///////////////////////////////hh.p//////////////////////////////////////// namespace senf { - struct UnsuportedTLVPacketException : public std::exception { virtual char const * what() const throw() { @@ -45,91 +42,60 @@ namespace senf { } }; - struct Parse_TLVPacketLength + class Parse_TLVPacketLength : public detail::packet::ParseIntOps, public PacketParserBase { -# ifndef DOXYGEN + public: + Parse_TLVPacketLength(data_iterator i, state_type s) : PacketParserBase(i,s) {} + + typedef boost::uint32_t value_type; + + value_type value() const; + + void value(value_type const & v); - SENF_PACKET_PARSER_NO_INIT(Parse_TLVPacketLength); + Parse_TLVPacketLength const & operator= (value_type other); + + static const size_type init_bytes = 1; + + size_type bytes() const; + + void init() const; + private: typedef Parse_Flag < 0 > Parse_extended_length_flag; typedef Parse_UIntField < 1, 8 > Parse_fixed_length; - SENF_PACKET_PARSER_DEFINE_FIXED_FIELDS( - ((OverlayField)( extended_length_flag, Parse_extended_length_flag )) - ((Field )( fixed_length_field, Parse_fixed_length )) - ); - -# endif - - typedef boost::uint32_t value_type; - - value_type value() const { - switch( bytes() ) { - case 1: - return fixed_length_field().value(); - case 2: - return parse( 1 ).value(); - case 3: - return parse( 1 ).value(); - case 4: - return parse( 1 ).value(); - case 5: - return parse( 1 ).value(); - default: - throw(UnsuportedTLVPacketException()); - }; - } - - size_type bytes() const { - if ( extended_length_flag() ) - return 1 + fixed_length_field(); - else - return 1; + Parse_extended_length_flag extended_length_flag() const { + return parse( 0 ); } - - void init() const { - defaultInit(); - extended_length_flag() = 0; + + Parse_fixed_length fixed_length_field() const { + return parse( 0 ); } + void resize(size_type size); }; /** \brief parse TLVPacket Packet - XXX + \see TLVPacketType */ struct Parse_TLVPacket : public PacketParserBase { -# ifndef DOXYGEN - - SENF_PACKET_PARSER_INIT(Parse_TLVPacket); - - SENF_PACKET_PARSER_DEFINE_FIXED_FIELDS( - ((Field)( type, Parse_UInt32 )) - ((Field)( length, Parse_TLVPacketLength )) - ); - -# endif +# include SENF_PARSER() -// Parse_UInt32 type() const { -// return parse( 0 ); -// } + SENF_PARSER_FIELD( type, Parse_UInt32 ); + SENF_PARSER_FIELD( length, Parse_TLVPacketLength ); -// Parse_TLVPacketLength length() const { -// return parse( 4 ); -// } - - PacketParserBase::size_type bytes() const; - - static const size_type init_bytes = 4+1; // 4 bytes type + 1 byte length - + SENF_PARSER_FINALIZE(Parse_TLVPacket); }; /** \brief TLV Packet + \image html TLV.png \par Packet type (typedef): \ref TLVPacket @@ -140,21 +106,16 @@ namespace senf { \ingroup protocolbundle_mpegdvb */ struct TLVPacketType - : public PacketTypeBase, - public PacketTypeMixin + : public PacketTypeBase { - typedef PacketTypeMixin mixin; typedef ConcretePacket packet; typedef Parse_TLVPacket parser; - using mixin::nextPacketRange; - using mixin::init; - - + static optional_range nextPacketRange(packet p); + static void init(packet p); + static size_type initSize(); + static void finalize(packet p); static void dump(packet p, std::ostream & os); - - static PacketParserBase::size_type initSize(); - static PacketParserBase::size_type initHeadSize(); }; typedef TLVPacketType::packet TLVPacket;