#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <misc.h>
#include "dhcpd.h"
#include <ipstuff.h>
/* hubert@id-pro.de:
   some classes to controle if an ip is controlled by dhcp
 */

PUBLIC UWE_RANGE::UWE_RANGE (const SSTRING& _lo, const SSTRING& _hi)
{
	lo.setfrom(_lo.get());
	hi.setfrom(_hi.get());
}

/* check if a ip is inside a range
*/
PUBLIC bool UWE_RANGE::inrange (IP_ADDR* ipa)
{
	return lo.cmp(ipa) < 0 && hi.cmp(ipa) > 0;
}

PUBLIC UWE_RANGES::UWE_RANGES(DHCP& dh){
  DHCP_SUBNETS& subnets = dh.subnets;
  for (int nsub = 0; nsub < subnets.getnb(); nsub++){
    DHCP_RANGES& ranges = subnets.getitem(nsub)->ranges;
    for (int nrng = 0; nrng < ranges.getnb(); nrng++)
      add (new UWE_RANGE (ranges.getitem(nrng)->alloc_start,
			  ranges.getitem(nrng)->alloc_stop));
  }
}

PUBLIC UWE_RANGE* UWE_RANGES::getitem(int no)
{
	return (UWE_RANGE*) ARRAY::getitem(no);
}

/*
	check if a list of IPs is inside of the ranges of the dhcp server.
	Return true if all IPs are in range.
*/
PUBLIC bool UWE_RANGES::inrange ( IP_ADDRS& ips)
{
	for (int nip = 0; nip < ips.getnb(); nip++){
		bool found = false;
		for (int nrng = 0; nrng < getnb(); nrng++){
			if (getitem(nrng)->inrange(ips.getitem(nip)) != 0){
				found = true;
				break;
			}
		}
		if (!found) return false;
	}
	return true;
}