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/Packets.hh"
33 #include "../DefaultBundle/EthernetPacket.hh"
35 //#include "SNDUPacket.mpp"
36 ///////////////////////////////hh.p////////////////////////////////////////
40 /** \brief parse ULE SNDU Packet
42 Parser implementing the header and trailer of a ULE SNDU Packet
46 struct Parse_SNDUPacket : public PacketParserBase
48 Parse_SNDUPacket(data_iterator i, state_type s) : PacketParserBase(i,s) {}
50 typedef Parse_Flag < 0 > Parse_daaf; // Destination Address Absent Field
51 typedef Parse_UIntField < 1, 16 > Parse_length;
53 Parse_daaf d_bit() const {
54 return parse<Parse_daaf>( 0 );
56 Parse_length length() const {
57 return parse<Parse_length>( 0 );
59 Parse_UInt16 type() const {
60 return parse<Parse_UInt16>( 2 );
62 Parse_MAC destination() const {
63 BOOST_ASSERT( ! d_bit() );
64 return parse<Parse_MAC>( 4 );
66 Parse_UInt32 crc() const {
67 return parse<Parse_UInt32>( data().size()-4 );
75 PacketParserBase::size_type bytes() const;
77 static const size_type init_bytes = 2+2+4; // D-Bit + 15 bits length + 16 bits type field + 32 bits crc
79 boost::uint32_t calcCrc() const;
83 struct ULEExtHeaderTypes {
84 typedef boost::uint16_t key_t;
87 /** \brief ULE SNDU Packet
89 \par Packet type (typedef):
95 \ingroup protocolbundle_mpegdvb
98 : public PacketTypeBase
99 // public PacketTypeMixin<SNDUPacketType, ULEExtHeaderTypes>
101 // typedef PacketTypeMixin<SNDUPacketType, ULEExtHeaderType> mixin;
102 typedef ConcretePacket<SNDUPacketType> packet;
103 typedef Parse_SNDUPacket parser;
105 // using mixin::nextPacketRange;
106 // using mixin::nextPacketType;
107 // using mixin::init;
109 // static registry_key_t nextPacketKey(packet p);
111 static void init(packet p);
113 static factory_t nextPacketType(packet p);
115 static optional_range nextPacketRange(packet p);
117 static void dump(packet p, std::ostream & os);
119 static PacketParserBase::size_type initSize();
121 static PacketParserBase::size_type initHeadSize();
124 typedef SNDUPacketType::packet SNDUPacket;
126 typedef boost::crc_optimal<32, 0x04C11DB7, 0xFFFFFFFF, 0, false, false> ule_crc32;
130 \def ULE_END_INDICATOR
131 ULE End Indicator; indicates to the receiver that there are no
132 further SNDUs present within the current TS packet.
134 # define ULE_END_INDICATOR 0xffff
138 ///////////////////////////////hh.e////////////////////////////////////////
139 //#include "SNDUPacket.cci"
140 //#include "SNDUPacket.ct"
141 //#include "SNDUPacket.cti"
148 // c-file-style: "senf"
149 // indent-tabs-mode: nil
150 // ispell-local-dictionary: "american"
151 // compile-command: "scons -u test"
152 // comment-column: 40