X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=senf%2FPackets%2FDefaultBundle%2FUDPPacket.cc;h=6a9f03bf5caff460a514c7fb96862535fa564079;hb=5cb66935d4b2973ea0fe7487b862b9ddc31648f4;hp=d1ff6c24b32e7f056983633bcb281b9ee0b57e65;hpb=82e794070d4f3ae8aacb1827b21a93b9d48ce57f;p=senf.git diff --git a/senf/Packets/DefaultBundle/UDPPacket.cc b/senf/Packets/DefaultBundle/UDPPacket.cc index d1ff6c2..6a9f03b 100644 --- a/senf/Packets/DefaultBundle/UDPPacket.cc +++ b/senf/Packets/DefaultBundle/UDPPacket.cc @@ -20,7 +20,7 @@ // Free Software Foundation, Inc., // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -/** \file +/** \file \brief UDPPacket non-inline non-template implementation */ #include "UDPPacket.hh" @@ -29,19 +29,17 @@ // Custom includes #include #include -#include #include -#include "IPv4Packet.hh" #include "IPv6Packet.hh" #define prefix_ -///////////////////////////////cc.p//////////////////////////////////////// +//-///////////////////////////////////////////////////////////////////////////////////////////////// namespace { SENF_PACKET_REGISTRY_REGISTER( senf::IpTypes, 17, senf::UDPPacket); } -/////////////////////////////////////////////////////////////////////////// +//-///////////////////////////////////////////////////////////////////////////////////////////////// // senf::UDPPacketParser prefix_ boost::uint16_t senf::UDPPacketParser::calcChecksum() @@ -52,26 +50,26 @@ prefix_ boost::uint16_t senf::UDPPacketParser::calcChecksum() IPv4Packet ipv4 (packet().rfind(nothrow)); if (ipv4) { // Pseudo header defined in RFC768 - summer.feed( ipv4->source().i(), + summer.feed( ipv4->source().i(), 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(), + summer.feed( ipv4->destination().i(), 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 ... summer.feed( 17u ); summer.feed( i() + length_offset, i() + length_offset + 2 ); - } + } else { // Pseudo header defined in RFC2460 IPv6Packet ipv6 (packet().rfind(nothrow)); if (ipv6) { - summer.feed( ipv6->source().i(), + summer.feed( ipv6->source().i(), 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(), + summer.feed( ipv6->destination().i(), 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 @@ -82,8 +80,8 @@ prefix_ boost::uint16_t senf::UDPPacketParser::calcChecksum() summer.feed( 17u ); } } - - // since header are 16 / even 32bit aligned we don't have to care for padding. since IpChecksum + + // since header are 16 / even 32bit aligned we don't have to care for padding. since IpChecksum // cares for padding at the final summing we don't have to care is the payload is 16nbit-aligned, too. summer.feed( i(), i()+checksum_offset ); summer.feed( i()+checksum_offset+2, data().end() ); @@ -92,7 +90,7 @@ prefix_ boost::uint16_t senf::UDPPacketParser::calcChecksum() return rv ? rv : 0xffffu; } -/////////////////////////////////////////////////////////////////////////// +//-///////////////////////////////////////////////////////////////////////////////////////////////// // senf::UDPPacketType prefix_ void senf::UDPPacketType::dump(packet p, std::ostream & os) @@ -112,7 +110,7 @@ prefix_ void senf::UDPPacketType::finalize(packet p) p->checksum() << p->calcChecksum(); } -///////////////////////////////cc.e//////////////////////////////////////// +//-///////////////////////////////////////////////////////////////////////////////////////////////// #undef prefix_