X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Packets%2FMPEGDVBBundle%2FSNDUPacket.cc;h=abf9783488f64087df5fb2aa5735777f4c5b5b83;hb=ab243554f940af9f873e1a920d0a6b7886c6f5cf;hp=c5c9dc68016bf6ce6f48eae622f55912ef6bb2bf;hpb=8326bb299e3c614a32f17efa9060db48840fbe10;p=senf.git diff --git a/Packets/MPEGDVBBundle/SNDUPacket.cc b/Packets/MPEGDVBBundle/SNDUPacket.cc index c5c9dc6..abf9783 100644 --- a/Packets/MPEGDVBBundle/SNDUPacket.cc +++ b/Packets/MPEGDVBBundle/SNDUPacket.cc @@ -3,7 +3,7 @@ // Copyright (C) 2007 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS) // Kompetenzzentrum fuer Satelitenkommunikation (SatCom) -// Stefan Bund +// 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//////////////////////////////////////// @@ -47,9 +50,61 @@ prefix_ senf::PacketParserBase::size_type senf::Parse_SNDUPacket::bytes() return 2 + 2 + 4 + 6; // + 6 Byte NPA destination address } +prefix_ boost::uint32_t senf::Parse_SNDUPacket::calcCrc() + const +{ + return std::for_each( + data().begin(), + boost::prior(data().end(), 4), + ule_crc32() ).checksum(); +} + +//prefix_ senf::SNDUPacketType::registry_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 + 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()