// Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-// Definition of non-inline non-template functions
+/** \file
+ \brief IpV4Packet non-inline non-template implementation */
#include "IpV4Packet.hh"
//#include "IpV4Packet.ih"
// Custom includes
+#include <iomanip>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#include <boost/io/ios_state.hpp>
+#include "../../Utils/IpChecksum.hh"
#include "EthernetPacket.hh"
#define prefix_
regsiterIpV4Packet2 (4); // IP-in-IP encapsulation
}
+///////////////////////////////////////////////////////////////////////////
+// senf::Parse_IpV4
+
+prefix_ boost::uint16_t senf::Parse_IpV4::calcChecksum()
+ const
+{
+ validate(bytes(*this));
+ IpChecksum summer;
+ summer.feed( i(), i()+checksum_offset );
+ // Not needed since the number of 0-bytes is even
+ // summer.feed( 0u );
+ // summer.feed( 0u );
+ summer.feed( i()+checksum_offset+2, i()+bytes(*this) );
+ return summer.sum();
+}
+
+///////////////////////////////////////////////////////////////////////////
+// senf::IpV4PacketType
+
prefix_ void senf::IpV4PacketType::dump(packet p, std::ostream & os)
{
- struct in_addr in;
- in.s_addr = htonl(p->source());
- char buffer[128];
- std::string src (inet_ntop(AF_INET,&in,buffer,128));
- in.s_addr = htonl(p->destination());
- std::string dst (inet_ntop(AF_INET,&in,buffer,128));
+ boost::io::ios_all_saver ias(os);
os << "Internet protocol Version 4:\n"
<< " version : " << p->version() << "\n"
<< " IHL : " << p->ihl() << "\n"
<< " fragment : " << p->frag() << "\n"
<< " TTL : " << unsigned(p->ttl()) << "\n"
<< " protocol : " << unsigned(p->protocol()) << "\n"
- << " CRC : " << std::hex << p->crc() << std::dec << "\n"
- << " source : " << src << "\n"
- << " destination : " << dst << "\n";
+ << " checksum : 0x"
+ << std::hex << std::setw(4) << std::setfill('0') << p->checksum() << std::dec << "\n"
+ << " source : " << p->source() << "\n"
+ << " destination : " << p->destination() << "\n";
+}
+
+prefix_ void senf::IpV4PacketType::finalize(packet p)
+{
+ p->length() << p.size();
+ p->protocol() << key(p.next());
+ p->checksum() << p->calcChecksum();
}
///////////////////////////////cc.e////////////////////////////////////////