GpCoreTools/Address.h
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00001 /***************************************************************************
00002 **
00003 **  This file is part of GpCoreTools.
00004 **
00005 **  This file may be distributed and/or modified under the terms of the
00006 **  GNU General Public License version 2 or 3 as published by the Free
00007 **  Software Foundation and appearing in the file LICENSE.GPL included
00008 **  in the packaging of this file.
00009 **
00010 **  This file is distributed in the hope that it will be useful, but WITHOUT
00011 **  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00012 **  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
00013 **  more details.
00014 **
00015 **  You should have received a copy of the GNU General Public License
00016 **  along with this program. If not, see <http://www.gnu.org/licenses/>.
00017 **
00018 **  See http://www.geopsy.org for more information.
00019 **
00020 **  Created: 2009-08-25
00021 **  Authors:
00022 **    Marc Wathelet
00023 **    Marc Wathelet (LGIT, Grenoble, France)
00024 **
00025 ***************************************************************************/
00026 
00027 #ifndef ADDRESS_H
00028 #define ADDRESS_H
00029 
00030 #include <string>
00031 #include <arpa/inet.h>
00032 
00033 namespace GpCoreTools {
00034 
00035 class Address
00036 {
00037 public:
00038   Address() {_value=0;}
00039   Address(in_addr_t a) {_value=a;}
00040   Address(int index, const Address& subnet);
00041   Address(const Address& o) {_value=o._value;}
00042 
00043   Address operator=(const Address& o) {_value=o._value; return *this;}
00044   Address operator&(const Address& o) const {return _value & o._value;}
00045   bool operator==(const Address& o) const {return _value==o._value;}
00046   bool operator!=(const Address& o) const {return _value!=o._value;}
00047   bool operator<(const Address& o) const {return _value<o._value;}
00048   bool operator>(const Address& o) const {return _value>o._value;}
00049 
00050   bool isValid() const {return _value!=0;}
00051   Address subnet() const {return operator&(_mask);}
00052   in_addr_t value() const {return _value;}
00053   inline std::string toString() const;
00054   void fromString(const char * a) {_value=inet_addr(a);}
00055   int index() const;
00056 
00057   static const Address& me() {return _me;}
00058   static void identifyMe(const char * interface);
00059   static void setMaskSize(int m);
00060   static const Address& mask() {return _mask;}
00061   static int maskSize() {return _maskSize;}
00062 private:
00063   in_addr_t _value;
00064   static Address _mask;
00065   static int _maskSize;
00066   static Address _me;
00067 };
00068 
00069 inline std::string Address::toString() const
00070 {
00071   in_addr a;
00072   a.s_addr=_value;
00073   return inet_ntoa(a);
00074 }
00075 
00076 } // namespace GpCoreTools
00077 
00078 #endif // ADDRESS_H
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