\see INet4Address
*/
- struct INet4AddressParser : public PacketParserBase
+ struct INet4AddressParser
+ : public ValueParserBase<INet4AddressParser, INet4Address, 4u>
{
- INet4AddressParser(data_iterator i, state_type s) : PacketParserBase(i,s,fixed_bytes) {}
-
- ///////////////////////////////////////////////////////////////////////////
-
- typedef INet4Address value_type;
- static const size_type fixed_bytes = 4u;
+ INet4AddressParser(data_iterator i, state_type s) : Base(i,s) {}
value_type value() const { return value_type::from_data(i()); }
void value(value_type const & v) { std::copy(v.begin(), v.end(), i()); }
- operator value_type() const { return value(); }
- byte & operator[](size_type index) const { return *boost::next(i(),index); }
- INet4AddressParser const & operator= (value_type const & other)
- { value(other); return *this; }
+
+ using Base::operator=;
};
/** \brief Parse an IPv4 packet
Parser implementing the IPv4 header.
-
+
\image html IPv4Packet.png
-
+
\see IPv4PacketType \n
<a href="http://tools.ietf.org/html/rfc791">RFC 791</a>
}
SENF_PARSER_FINALIZE(IPv4PacketParser);
-
+
boost::uint16_t calcChecksum() const; ///< calculate header checksum
/**< calculate and return the checksum of the header
\see \ref senf::IpChecksum */
bool validateChecksum() const {
return checksum() == calcChecksum();
} ///< validate header checksum
- /**< return \c true if the \ref checksum() "checksum"
- field is equal to the \ref calcChecksum()
+ /**< return \c true if the \ref checksum() "checksum"
+ field is equal to the \ref calcChecksum()
"calculated checksum" */
};
};
/** \brief IPv4 packet
-
+
\par Packet type (typedef):
\ref IPv4Packet
<td>\ref IPv4PacketParser::version() "Version"</td>
<td>\ref IPv4PacketParser::ihl() "IHL"</td>
<td colspan="2">\ref IPv4PacketParser::tos() "TOS"</td>
- <td colspan="8">\ref IPv4PacketParser::length() "Length"</td>
+ <td colspan="8">\ref IPv4PacketParser::length() "Length"</td>
</tr><tr>
<td colspan="4">\ref IPv4PacketParser::identifier() "Identifier"</td>
<td>R</td>
\par Finalize action:
\copydetails finalize()
-
+
\ingroup protocolbundle_default
*/
struct IPv4PacketType
using mixin::initSize;
using mixin::init;
- static key_t nextPacketKey(packet p)
+ static key_t nextPacketKey(packet p)
{ return p->protocol(); }
-
+
/** \brief Dump given IPv4Packet in readable form to given output stream */
- static void dump(packet p, std::ostream & os);
-
+ static void dump(packet p, std::ostream & os);
+
static void finalize(packet p); ///< Finalize packet.
- /**< \li set \ref IPv4PacketParser::length() "length"
+ /**< \li set \ref IPv4PacketParser::length() "length"
from payload size
- \li set \ref IPv4PacketParser::protocol() "protocol"
+ \li set \ref IPv4PacketParser::protocol() "protocol"
from type of next packet if found in \ref IpTypes
- \li calculate and set
+ \li calculate and set
\ref IPv4PacketParser::checksum() "checksum" */
};
- /** \brief IPv4 packet typedef */
+ /** \brief IPv4 packet typedef
+ \ingroup protocolbundle_default
+ */
typedef ConcretePacket<IPv4PacketType> IPv4Packet;
}