4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 // Stefan Bund <g0dil@berlios.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 \brief INet4Address inline non-template implementation */
28 #define prefix_ inline
29 ///////////////////////////////cci.p///////////////////////////////////////
31 ///////////////////////////////////////////////////////////////////////////
34 prefix_ senf::INet4Address::INet4Address()
36 std::fill(begin(), end(), 0u);
39 prefix_ senf::INet4Address::INet4Address(senf::NoInit_t)
42 prefix_ senf::INet4Address senf::INet4Address::from_inaddr(inaddr_type v)
44 return INet4Address(v,IsInAddr);
47 prefix_ senf::INet4Address::inaddr_type & senf::INet4Address::iref()
49 return *reinterpret_cast<inaddr_type *>(&(*this)[0]);
52 prefix_ senf::INet4Address::inaddr_type senf::INet4Address::iref()
55 return *reinterpret_cast<inaddr_type const *>(&(*this)[0]);
58 prefix_ senf::INet4Address::inaddr_type senf::INet4Address::inaddr()
64 prefix_ senf::INet4Address::INet4Address(inaddr_type addr, InAddr_t)
69 prefix_ bool senf::INet4Address::broadcast()
72 return inaddr() == 0xFFFFFFFFu;
75 prefix_ bool senf::INet4Address::boolean_test()
81 ///////////////////////////////////////////////////////////////////////////
84 prefix_ unsigned senf::INet4Network::prefix_len()
90 ////////////////////////////////////////
93 prefix_ boost::uint32_t senf::INet4Network::mask()
96 // This is correct as long as the system is using 2-complement arithmetic ...
97 return (~((boost::uint32_t(1u)<<(32u-prefix_len()))-1u)) & 0xFFFFFFFFu;
100 ////////////////////////////////////////
103 prefix_ senf::INet4Network::INet4Network()
104 : prefix_len_(), address_()
107 prefix_ senf::INet4Network::INet4Network(INet4Address address, unsigned prefix_len)
108 : prefix_len_(prefix_len), address_(INet4Address(address.address() & mask()))
111 prefix_ senf::INet4Address const & senf::INet4Network::address()
117 prefix_ bool senf::INet4Network::boolean_test()
120 return address() || prefix_len();
123 prefix_ bool senf::INet4Network::operator==(INet4Network const & other)
126 return address() == other.address() && prefix_len() == other.prefix_len();
129 prefix_ bool senf::INet4Network::match(INet4Address addr)
132 return (addr.address() & mask()) == address_.address();
135 prefix_ bool senf::INet4Network::match(INet4Network net)
138 return net.prefix_len() >= prefix_len() && match(net.address());
141 prefix_ senf::INet4Address senf::INet4Network::host(boost::uint32_t number)
143 return INet4Address(address_.address() | (number & ~mask()));
146 prefix_ senf::INet4Network senf::INet4Network::subnet(boost::uint32_t net, unsigned prefix_len)
148 return INet4Network(host(net << (32-prefix_len)),prefix_len);
151 ///////////////////////////////////////////////////////////////////////////
154 prefix_ std::ostream & senf::operator<<(std::ostream & os, INet4Network const & addr)
156 os << addr.address() << '/' << addr.prefix_len();
160 ///////////////////////////////cci.e///////////////////////////////////////
167 // comment-column: 40
168 // c-file-style: "senf"
169 // indent-tabs-mode: nil
170 // ispell-local-dictionary: "american"
171 // compile-command: "scons -u test"