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 INet6Address non-inline non-template implementation */
26 #include "INet6Address.hh"
27 #include "INet6Address.ih"
30 #include <sys/types.h>
31 #include <sys/socket.h>
32 #include <netinet/in.h>
33 #include <arpa/inet.h>
35 #include <boost/lexical_cast.hpp>
36 #include <senf/Socket/Protocols/AddressExceptions.hh>
37 #include <senf/Socket/Protocols/Raw/MACAddress.hh>
38 #include <senf/Socket/Protocols/Raw/EUI64.hh>
40 //#include "INet6Address.mpp"
42 ///////////////////////////////cc.p////////////////////////////////////////
44 ///////////////////////////////////////////////////////////////////////////
47 prefix_ senf::INet6Address senf::INet6Address::from_string(std::string const & s,
51 if (::inet_pton(AF_INET6,s.c_str(),&ina) > 0)
52 return senf::INet6Address::from_data(&ina.s6_addr[0]);
55 throw AddressSyntaxException() << ": empty string";
59 // If available, we use the reentrant GNU variant. This has the additional advantage, that we
60 // can explicitly ask for IPv4 addresses
64 struct hostent entbuf;
66 struct hostent * ent (0);
67 ::gethostbyname2_r(s.c_str(), AF_INET6, &entbuf, buffer, sizeof(buffer), &ent, &herr);
72 static boost::mutex mutex;
73 boost::mutex::scoped_lock lock(mutex);
75 struct hostent * ent (::gethostbyname(s.c_str()));
80 if (ent && ent->h_addrtype == AF_INET6)
81 // We are only interested in the first address ...
82 return senf::INet6Address::from_data(
83 &reinterpret_cast<in6_addr*>(*(ent->h_addr_list))->s6_addr[0]);
85 if (resolve == ResolveINet4)
86 return from_inet4address(INet4Address::from_string(s));
88 throw UnknownHostnameException(s);
91 prefix_ in6_addr senf:: INet6Address::toin6_addr() const {
93 std::copy((*this).begin(), (*this).end(), &ina.s6_addr[0]);
97 prefix_ senf::INet6Address senf::INet6Address::from_mac(MACAddress const & mac)
102 addr[8] = mac[0] ^ 0x2; // invert the "u" (universal/local) bit; see RFC 4291 Appx. A
113 prefix_ senf::INet6Address senf::INet6Address::from_eui64(EUI64 const & eui)
118 addr[8] = eui[0] ^ 0x2; // invert the "u" (universal/local) bit; see RFC 4291 Appx. A
119 std::copy(eui.begin()+1, eui.end(), addr.begin()+9);
123 prefix_ senf::EUI64 senf::INet6Address::id()
126 return EUI64::from_data(begin()+8);
129 prefix_ std::ostream & senf::operator<<(std::ostream & os, INet6Address const & addr)
133 std::copy(addr.begin(),addr.end(),&ina.s6_addr[0]);
134 ::inet_ntop(AF_INET6,&ina,buffer,sizeof(buffer));
135 buffer[sizeof(buffer)-1] = 0;
140 prefix_ std::istream & senf::operator>>(std::istream & is, INet6Address & addr)
146 addr = INet6Address::from_string(s);
148 catch (AddressException &) {
149 is.setstate(std::ios::failbit);
154 senf::INet6Address const senf::INet6Address::None;
155 senf::INet6Address const senf::INet6Address::Loopback (0u,0u,0u,0u,0u,0u,0u,1u);
156 senf::INet6Address const senf::INet6Address::AllNodes (0xFF02u,0u,0u,0u,0u,0u,0u,1u);
157 senf::INet6Address const senf::INet6Address::AllRouters (0xFF02u,0u,0u,0u,0u,0u,0u,2u);
159 ///////////////////////////////////////////////////////////////////////////
160 // senf::INet6Network
162 prefix_ senf::INet6Network::INet6Network(std::string const & s)
164 using boost::lambda::_1;
165 using boost::lambda::_2;
166 std::string::size_type i (s.find('/'));
167 if (i == std::string::npos)
168 throw AddressSyntaxException(s);
170 prefix_len_ = boost::lexical_cast<unsigned>(std::string(s,i+1));
171 } catch (boost::bad_lexical_cast const &) {
172 throw AddressSyntaxException(s);
174 address_ = INet6Address::from_string(std::string(s, 0, i));
175 detail::apply_mask(prefix_len_, address_.begin(), address_.end(), _1 &= _2);
178 prefix_ std::istream & senf::operator>>(std::istream & is, INet6Network & addr)
184 addr = INet6Network(s);
186 catch (AddressException &) {
187 is.setstate(std::ios::failbit);
192 ///////////////////////////////cc.e////////////////////////////////////////
194 //#include "INet6Address.mpp"
200 // comment-column: 40
201 // c-file-style: "senf"
202 // indent-tabs-mode: nil
203 // ispell-local-dictionary: "american"
204 // compile-command: "scons -u test"