public function valid()
{
if (!parent::valid()) {
return false;
}
return $this->range->contains($this->current()->getKey());
}
/**
* @param IP|Network $exclude
* @return array
* @throws \Exception
*/
public function exclude($exclude)
{
$exclude = self::parse($exclude);
if ($exclude->getFirstIP()->inAddr() > $this->getLastIP()->inAddr() || $exclude->getLastIP()->inAddr() < $this->getFirstIP()->inAddr()) {
throw new \Exception('Exclude subnet not within target network');
}
$networks = array();
$newPrefixLength = $this->getPrefixLength() + 1;
$lower = clone $this;
$lower->setPrefixLength($newPrefixLength);
$upper = clone $lower;
$upper->setIP($lower->getLastIP()->next());
while ($newPrefixLength <= $exclude->getPrefixLength()) {
$range = new Range($lower->getFirstIP(), $lower->getLastIP());
if ($range->contains($exclude)) {
$matched = $lower;
$unmatched = $upper;
} else {
$matched = $upper;
$unmatched = $lower;
}
$networks[] = clone $unmatched;
if (++$newPrefixLength > $this->getNetwork()->getMaxPrefixLength()) {
break;
}
$matched->setPrefixLength($newPrefixLength);
$unmatched->setPrefixLength($newPrefixLength);
$unmatched->setIP($matched->getLastIP()->next());
}
sort($networks);
return $networks;
}
/**
* @dataProvider getExpectedResultsAndValues
*
* @param Boolean $contains
* @param integer $value
*/
public function testShouldDetermineIfContainsValue($contains, $value)
{
$range = new Range($this->start, $this->end);
$this->assertEquals($contains, $range->contains($value));
}
/**
* @param integer $value
*/
public function add($value)
{
if ($this->range->contains($value)) {
$this->count++;
}
}
/**
* Searches a range
*
* @param Range $range
*
* @return RangeIterator
*/
public function searchRange(Range $range)
{
$iterator = $this->getIterator();
// find start
$start = null;
$binarySearch = new BinarySearch($this);
$startHint = $binarySearch->search($range->getMin());
if ($startHint == null) {
return new RangeIterator($iterator, Range::getEmptyRange());
}
$iterator->setOffset($startHint->getOffset(), Parser::HINT_RESULT_BOUNDARY);
if (!$range->contains($startHint->getKey()) && $startHint->getKey() <= $range->getMin()) {
// shift $startHint higher
foreach ($iterator as $result) {
if ($range->contains($result->getKey())) {
$start = $result;
break;
}
}
} else {
// shift $startHint lower
if ($range->contains($startHint->getKey())) {
$start = $startHint;
}
$iterator->setDirection(KeyReader::DIRECTION_BACKWARD);
foreach ($iterator as $result) {
// Skip everything which is too big
if (!$range->contains($result->getKey() && $result->getKey() >= $range->getMax())) {
continue;
}
// shift the start left until no more key is included
if ($range->contains($result->getKey())) {
$start = $result;
} else {
break;
}
}
}
if (is_null($start)) {
return new RangeIterator($iterator, Range::getEmptyRange());
}
$iterator = $this->getIterator();
$iterator->setOffset($start->getOffset(), Parser::HINT_RESULT_BOUNDARY);
return new RangeIterator($iterator, $range);
}