X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Packets%2FDefaultBundle%2FUDPPacket.cc;h=8d4a8502b534a0da4e6a5776a031892bcb89e9bd;hb=ee64a24a7ed1dfcdb7a12f14d7df3b043e564a30;hp=d3808e4aa545a4915a6b3fa3e0a23b0a446f38fe;hpb=67608d39cb73231d6deaae285aa5477762246e50;p=senf.git diff --git a/Packets/DefaultBundle/UDPPacket.cc b/Packets/DefaultBundle/UDPPacket.cc index d3808e4..8d4a850 100644 --- a/Packets/DefaultBundle/UDPPacket.cc +++ b/Packets/DefaultBundle/UDPPacket.cc @@ -1,9 +1,9 @@ // $Id$ // // Copyright (C) 2006 -// 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 +// Stefan Bund // // 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 @@ -44,9 +44,9 @@ namespace { } /////////////////////////////////////////////////////////////////////////// -// senf::Parse_UDP +// senf::UDPPacketParser -prefix_ boost::uint16_t senf::Parse_UDP::calcChecksum() +prefix_ boost::uint16_t senf::UDPPacketParser::calcChecksum() const { IpChecksum summer; @@ -54,14 +54,14 @@ prefix_ boost::uint16_t senf::Parse_UDP::calcChecksum() summer.feed( i()+checksum_offset+2, data().end() ); // Now on to the awkward part: the IP pseudo header - IPv4Packet ipv4 (packet().prev(nothrow)); + IPv4Packet ipv4 (packet().rfind()); if (ipv4) { // Pseudo header defined in RFC768 summer.feed( ipv4->source().i(), - ipv4->source().i() + Parse_IPv4::source_t::fixed_bytes ); + ipv4->source().i() + IPv4Packet::Parser::source_t::fixed_bytes ); ///\fixme What about a hop-by-hop routing option? Which destination is used in IPv4 ? summer.feed( ipv4->destination().i(), - ipv4->destination().i() + Parse_IPv4::destination_t::fixed_bytes ); + ipv4->destination().i() + IPv4PacketParser::destination_t::fixed_bytes ); summer.feed( 0u ); ///\fixme May there be another header between the IPv4 header and UDP? if so, we /// need to hack the correct protocol number here ... @@ -70,14 +70,14 @@ prefix_ boost::uint16_t senf::Parse_UDP::calcChecksum() } else { // Pseudo header defined in RFC2460 - IPv6Packet ipv6 (packet().prev(nothrow)); + IPv6Packet ipv6 (packet().rfind()); if (ipv6) { summer.feed( ipv6->source().i(), - ipv6->source().i() + Parse_IPv6::source_t::fixed_bytes ); + ipv6->source().i() + IPv6Packet::Parser::source_t::fixed_bytes ); ///\todo Implement routing header support // The destination used here must be the *final* destination ... summer.feed( ipv6->destination().i(), - ipv6->destination().i() + Parse_IPv6::destination_t::fixed_bytes ); + ipv6->destination().i() + IPv6PacketParser::destination_t::fixed_bytes ); /// This is a simplification. The value is really 32bit to support UDP Jumbograms /// (RFC2147). However, skipping an even number of 0 bytes does not change the checksum summer.feed( i() + length_offset, i() + length_offset + 2 );