gnuworld/include/cidr.h

106 lines
2.1 KiB
C++

/**
* cidr.h
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*
* $Id: cidr.h,v 1.4 2009/07/26 18:30:37 mrbean_ Exp $
*/
#ifndef __CIDR_H
#define __CIDR_H "$Id: cidr.h,v 1.4 2009/07/26 18:30:37 mrbean_ Exp $"
#include <string>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#include "ip.h"
namespace gnuworld
{
/**
* A utility class that is used to retrieve information about
* CIDR addresses.
*/
class xCIDR
{
public:
/**
* Construct an xIP instance given an address in std::string
* format.
*/
xCIDR( const std::string& IP) ;
/**
* Checks whether or not the CIDR is valid.
*/
inline const bool& GetValid() const
{ return valid; }
/**
* Retrieve the mask of this CIDR (the part after the /).
*/
inline const int& GetMask() const
{ return mask; }
/**
* Retrieve the prefix of this CIDR (the part before the /).
*/
inline const xIP& GetPrefix() const
{ return prefix; }
inline const std::string& AsString() const
{ return str; }
bool matches(const std::string& IP) ;
protected:
/**
* Wheter this CIDR is valid.
*/
bool valid ;
/**
* The mask
*/
int mask ;
std::string str;
/**
* The prefix
*/
xIP prefix ;
private:
bool ExtractMask(const std::string&);
bool ExtractPrefix(const std::string&,const unsigned int&,unsigned int&);
} ;
} // namespace gnuworld
#endif // __XCIDR_H