4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
5 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
6 // Thorsten Horstmann <thorsten.horstmann@fokus.fraunhofer.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 \brief SNDUPacket public header */
26 #ifndef HH_SNDUPacket_
27 #define HH_SNDUPacket_ 1
31 #include <boost/crc.hpp>
32 #include "Packets/PacketType.hh"
33 #include "Packets/ParseInt.hh"
34 #include "Packets/PacketRegistry.hh"
35 #include "Packets/PacketParser.hh"
36 #include "Packets/DefaultBundle/EthernetPacket.hh"
38 //#include "SNDUPacket.mpp"
39 ///////////////////////////////hh.p////////////////////////////////////////
43 /** \brief parse ULE SNDU Packet
45 Parser implementing the header and trailer of a ULE SNDU Packet
49 struct Parse_SNDUPacket : public PacketParserBase
53 SENF_PACKET_PARSER_NO_INIT(Parse_SNDUPacket);
57 typedef Parse_Flag < 0 > Parse_daaf; // Destination Address Absent Field
58 typedef Parse_UIntField < 1, 16 > Parse_length;
60 Parse_daaf d_bit() const {
61 return parse<Parse_daaf>( 0 );
63 Parse_length length() const {
64 return parse<Parse_length>( 0 );
66 Parse_UInt16 type() const {
67 return parse<Parse_UInt16>( 2 );
69 Parse_MAC destination() const {
70 BOOST_ASSERT( ! d_bit() );
71 return parse<Parse_MAC>( 4 );
73 Parse_UInt32 crc() const {
74 return parse<Parse_UInt32>( data().size()-4 );
82 PacketParserBase::size_type bytes() const;
84 static const size_type init_bytes = 2+2+4; // D-Bit + 15 bits length + 16 bits type field + 32 bits crc
86 boost::uint32_t calcCrc() const;
90 struct ULEExtHeaderTypes {
91 typedef boost::uint16_t key_t;
94 /** \brief ULE SNDU Packet
96 \par Packet type (typedef):
100 \ref Parse_SNDUPacket
102 \ingroup protocolbundle_mpegdvb
104 struct SNDUPacketType
105 : public PacketTypeBase
106 // public PacketTypeMixin<SNDUPacketType, ULEExtHeaderTypes>
108 // typedef PacketTypeMixin<SNDUPacketType, ULEExtHeaderType> mixin;
109 typedef ConcretePacket<SNDUPacketType> packet;
110 typedef Parse_SNDUPacket parser;
112 // using mixin::nextPacketRange;
113 // using mixin::nextPacketType;
114 // using mixin::init;
116 // static registry_key_t nextPacketKey(packet p);
118 static void init(packet p);
120 static factory_t nextPacketType(packet p);
122 static optional_range nextPacketRange(packet p);
124 static void dump(packet p, std::ostream & os);
126 static PacketParserBase::size_type initSize();
128 static PacketParserBase::size_type initHeadSize();
131 typedef SNDUPacketType::packet SNDUPacket;
133 typedef boost::crc_optimal<32, 0x04C11DB7, 0xFFFFFFFF, 0, false, false> ule_crc32;
137 \def ULE_END_INDICATOR
138 ULE End Indicator; indicates to the receiver that there are no
139 further SNDUs present within the current TS packet.
141 # define ULE_END_INDICATOR 0xffff
145 ///////////////////////////////hh.e////////////////////////////////////////
146 //#include "SNDUPacket.cci"
147 //#include "SNDUPacket.ct"
148 //#include "SNDUPacket.cti"
155 // c-file-style: "senf"
156 // indent-tabs-mode: nil
157 // ispell-local-dictionary: "american"
158 // compile-command: "scons -u test"
159 // comment-column: 40