4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
5 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
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 non-inline non-template implementation */
26 #include "INet4Address.hh"
27 //#include "INet4Address.ih"
30 #include <arpa/inet.h>
32 #include <sys/socket.h>
34 #include <boost/thread/mutex.hpp>
37 //#include "INet4Address.mpp"
39 ///////////////////////////////cc.p////////////////////////////////////////
41 ///////////////////////////////////////////////////////////////////////////
42 // senf::INet4Address::INet4Address
44 prefix_ senf::INet4Address::INet4Address(address_type value)
46 iref() = htonl(value);
49 prefix_ senf::INet4Address senf::INet4Address::from_string(std::string const & s)
52 if (::inet_pton(AF_INET,s.c_str(),&ina) > 0)
53 return senf::INet4Address::from_inaddr(ina.s_addr);
56 // If available, we use the reentrant GNU variant. This has the additional advantage, that we
57 // can explicitly ask for IpV4 addresses
61 struct hostent entbuf;
63 struct hostent * ent (0);
64 ::gethostbyname2_r(s.c_str(), AF_INET, &entbuf, buffer, sizeof(buffer), &ent, &herr);
69 static boost::mutex mutex;
70 boost::mutex::scoped_lock lock(mutex);
72 struct hostent * ent (::gethostbyname(s.c_str()));
78 ///\fixme Need to give better exception here
79 throw SyntaxException();
80 if (ent->h_addrtype != AF_INET)
81 throw SyntaxException();
83 // We are only interested in the first address ...
84 return senf::INet4Address::from_inaddr(
85 reinterpret_cast<in_addr*>(*(ent->h_addr_list))->s_addr);
88 prefix_ bool senf::INet4Address::local()
91 address_type l (address());
93 (l & 0xFF000000u) == 0x0A000000u ||
94 (l & 0xFFF00000u) == 0xAC100000u ||
95 (l & 0xFFFF0000u) == 0xA9FE0000u ||
96 (l & 0xFFFF0000u) == 0xC0A80000u;
99 prefix_ bool senf::INet4Address::loopback()
102 return (address() & 0xFF000000u) == 0x7F000000u;
105 prefix_ bool senf::INet4Address::multicast()
108 return (address() & 0xF0000000u) == 0xE0000000u;
111 prefix_ senf::INet4Address::address_type senf::INet4Address::address()
114 return ntohl(iref());
117 senf::INet4Address const senf::INet4Address::None;
118 senf::INet4Address const senf::INet4Address::Loopback (0x7F000001u);
119 senf::INet4Address const senf::INet4Address::Broadcast (0xFFFFFFFFu);
122 ///////////////////////////////////////////////////////////////////////////
125 prefix_ std::ostream & senf::operator<<(std::ostream & os, INet4Address const & addr)
129 ina.s_addr = addr.inaddr();
130 ::inet_ntop(AF_INET,&ina,buffer,16);
136 ///////////////////////////////cc.e////////////////////////////////////////
138 //#include "INet4Address.mpp"
144 // comment-column: 40
145 // c-file-style: "senf"
146 // indent-tabs-mode: nil
147 // ispell-local-dictionary: "american"
148 // compile-command: "scons -u test"