2 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
3 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
4 // Stefan Bund <g0dil@berlios.de>
6 // This program is free software; you can redistribute it and/or modify
7 // it under the terms of the GNU General Public License as published by
8 // the Free Software Foundation; either version 2 of the License, or
9 // (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the
18 // Free Software Foundation, Inc.,
19 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 \brief INet4Address public header */
24 #ifndef HH_INet4Address_
25 #define HH_INet4Address_ 1
30 #include <boost/cstdint.hpp>
31 #include <boost/function.hpp>
32 #include <boost/array.hpp>
33 #include "Utils/SafeBool.hh"
35 //#include "INet4Address.mpp"
36 ///////////////////////////////hh.p////////////////////////////////////////
40 /** \brief IpV4 Internet address
42 INet4Address represents a simple IP address. It is modelled as a fixed-size
43 container/sequence of 4 bytes.
45 \todo Add additional classes for CIDR addresses and networks and network math.
48 : public boost::array<boost::uint8_t,4>,
49 public ComparableSafeBool<INet4Address>
53 ///////////////////////////////////////////////////////////////////////////
56 typedef uint32_t address_type; ///< Address representation as number in host byte order
57 typedef uint32_t inaddr_type; ///< Legacy address representation in network byte order
58 typedef boost::function<void (INet4Address const &)> Callback;
59 ///< Callback for asynchronous from_string call
61 static INet4Address const None; ///< The empty (0) address
62 static INet4Address const Loopback; ///< The loopback (127.0.0.1) address
63 static INet4Address const Broadcast; ////< The global broadcast (255.255.255.255) address
65 enum NoInit_t { noinit };
67 ///////////////////////////////////////////////////////////////////////////
68 ///\name Structors and default members
71 INet4Address(); ///< Construct an empty address
72 explicit INet4Address(NoInit_t); ///< Construct uninitialized (!) address
73 explicit INet4Address(address_type value);
74 ///< Construct an address constant
76 static INet4Address from_string(std::string const & s);
77 ///< Convert string to address
78 /**< This member will try to convert the given string into
79 an IP address. from_string() supports all standard IP
80 literal representations as well es hostnames.
81 \attention This call may block if \a s represents a
82 hostname which must be looked up via some network
83 protocol like DNS or NIS
84 \throws SyntaxException if the address cannot be
85 converted for some reason
86 \param[in] s Address literal or hostname */
88 static void from_string(std::string const & s, Callback const & cb);
89 ///< Convert string to address (async/non-blocking)
90 /**< This member works like
91 from_string(std::string const &). However unlike
92 from_string(std::string const &), this call will not
93 block. Instead it will call \a cb passing the
94 INet4Address instance as soon as the address has been
95 resolved (which may be immediate if the address
96 represents an IP literal). \par
97 On error, the address passed to \a cb will be empty.
98 \param[in] s Address literal or hostname
99 \param[in] cb Callback to pass the address to
102 template <class InputIterator>
103 static INet4Address from_data(InputIterator i);
104 ///< Construct address from 4 bytes of raw data
105 /**< from_data will build an address from 4 bytes of raw
106 data as accessed by the iterator. The data must be in
107 network byte order. */
108 static INet4Address from_inaddr(inaddr_type v);
109 ///< Construct address from integer in network byte order
110 /**< This call is used when interfacing with other legacy
111 code to convert a network byte order address in an
112 integer number into an INet4Address. */
115 ///////////////////////////////////////////////////////////////////////////
119 bool local() const; ///< \c true, if address is locally administered
120 /**< This call checks, if the address is within one of the
121 IANA private ranges. */
122 bool loopback() const; ///< \c true, if address is within the loopback network
123 /**< Checks, whether the address is in the IANA loopback
124 network 10.0.0.0/8 */
125 bool multicast() const; ///< \c true, if address is a multicast address
126 /**< Checks, whether the address is in the 224.0.0.0/4
127 network reserved for multicast addresses by the
129 bool broadcast() const; ///< \c true, if address is 255.255.255.255
130 bool boolean_test() const; ///< \c true, if address is non-empty (!= 0.0.0.0)
132 inaddr_type inaddr() const; ///< Return the raw network byte order address
133 /**< This member is used to interact with legacy code.
135 address_type address() const; ///< Return address represented as integer number
136 /**< This member returns the address as an integer number in
137 host byte order. This representation allows simple
138 network math operations. */
142 struct SyntaxException : public std::exception
143 { virtual char const * what() const throw() { return "invalid INet4 address syntax"; } };
146 enum InAddr_t { IsInAddr };
147 INet4Address(inaddr_type addr, InAddr_t);
148 inaddr_type & iref();
149 inaddr_type iref() const;
152 std::ostream & operator<<(std::ostream & os, INet4Address const & addr);
156 ///////////////////////////////hh.e////////////////////////////////////////
157 #include "INet4Address.cci"
158 #include "INet4Address.ct"
159 //#include "INet4Address.cti"
166 // comment-column: 40
167 // c-file-style: "senf"
168 // indent-tabs-mode: nil
169 // ispell-local-dictionary: "american"
170 // compile-command: "scons -u test"