public V6PrefixBindingPool(V6PrefixPool pool) throws DhcpServerConfigException {
try {
this.pool = pool;
allocPrefixLen = pool.getPrefixLength();
String[] cidr = pool.getRange().split("/");
if (cidr.length != 2) {
throw new DhcpServerConfigException("Prefix pool must be specified in prefix/len notation");
}
subnet = new Subnet(cidr[0], cidr[1]);
if (allocPrefixLen < subnet.getPrefixLength()) {
throw new DhcpServerConfigException(
"Allocation prefix length must be greater or equal to pool prefix length");
}
int numPrefixes = (int) Math.pow(2, allocPrefixLen - subnet.getPrefixLength());
freeList =
new FreeList(BigInteger.ZERO, BigInteger.valueOf(numPrefixes).subtract(BigInteger.ONE));
dhcpConfigOptions = new DhcpV6ConfigOptions(pool.getPrefixConfigOptions());
} catch (NumberFormatException | UnknownHostException ex) {
log.error("Invalid PrefixPool definition", ex);
throw new DhcpServerConfigException("Invalid PrefixPool definition", ex);
}
}
@Override
public PoliciesType getPolicies() {
return pool == null ? null : pool.getPolicies();
}
@Override
public FiltersType getFilters() {
return pool == null ? null : pool.getFilters();
}