X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Packets%2FMPEGDVBBundle%2FSNDUPacket.cc;h=96709d08b2d33911e0dbf3c843db382cebf9dd38;hb=81f84badf27b66dbadec9890646ca1193e998505;hp=2e52a845d888fb03b4d94d022e876bf2554ef746;hpb=aa8de2975f5365cd4f29f6f337f93ad328f6685c;p=senf.git diff --git a/Packets/MPEGDVBBundle/SNDUPacket.cc b/Packets/MPEGDVBBundle/SNDUPacket.cc index 2e52a84..96709d0 100644 --- a/Packets/MPEGDVBBundle/SNDUPacket.cc +++ b/Packets/MPEGDVBBundle/SNDUPacket.cc @@ -1,9 +1,9 @@ -// $Id: DSMCCSection.cc 350 2007-07-25 08:26:41Z g0dil $ +// $Id$ // // Copyright (C) 2007 -// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS) -// Kompetenzzentrum fuer Satelitenkommunikation (SatCom) -// Stefan Bund +// Fraunhofer Institute for Open Communication Systems (FOKUS) +// Competence Center NETwork research (NET), St. Augustin, GERMANY +// Thorsten Horstmann // // 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 @@ -28,6 +28,9 @@ // Custom includes #include +#include "../../Utils/hexdump.hh" +#include "../../Packets/DefaultBundle/EthernetPacket.hh" + #define prefix_ ///////////////////////////////cc.p//////////////////////////////////////// @@ -38,18 +41,61 @@ //} -prefix_ senf::PacketParserBase::size_type senf::Parse_SNDUPacket::bytes() +prefix_ boost::uint32_t senf::SNDUPacketParser::calcCrc() const { - if ( d_bit() ) - return 2 + 2 + 4; // D-Bit + 15 bits length + 16 bits type field + 32 bits crc + return std::for_each( + data().begin(), + boost::prior(data().end(), 4), + ule_crc32() ).checksum(); +} + +//prefix_ senf::SNDUPacketType::key_t senf::SNDUPacketType::nextPacketKey(packet p) +//{ +// return p->type(); +//} + +prefix_ void senf::SNDUPacketType::init(packet p) +{ + p->init(); +} + +prefix_ senf::PacketInterpreterBase::factory_t senf::SNDUPacketType::nextPacketType(packet p) +{ + if (p.data().size() < 8) + return no_factory(); + PkReg_Entry const * e; + if (p->type() < 1536) + e = PacketRegistry::lookup( p->type(), nothrow ); else - return 2 + 2 + 4 + 6; // + 6 Byte NPA destination address + e = PacketRegistry::lookup( p->type(), nothrow ); + return e ? e->factory() : no_factory(); +} + +prefix_ senf::PacketInterpreterBase::optional_range +senf::SNDUPacketType::nextPacketRange(packet p) +{ + if (p.data().size() < 8) + return no_range(); + + size_type sz = 2 + 2; // D-Bit + 15 bits length + 16 bits type field + if (! p->d_bit() ) + sz += 6; // + 6 Byte NPA destination address + return range( + boost::next(p.data().begin(), sz), + boost::prior(p.data().end(), 4)); // - 32 bits crc } prefix_ void senf::SNDUPacketType::dump(packet p, std::ostream & os) { - os << "SNDUPacket:\n"; + os << "SNDUPacket:\n" + << std::dec + << " d_bit: " << p->d_bit() << "\n" + << " length: " << unsigned(p->length()) << "\n" + << std::hex + << " type: 0x" << unsigned(p->type()) << "\n" + << std::dec + << " crc: " << unsigned(p->crc()) << "\n"; } prefix_ senf::PacketParserBase::size_type senf::SNDUPacketType::initSize()