/**
* @param string $value
* @param int $port
*
* @return $this
* @throws \InvalidArgumentException
*/
public function add($value, $port = null)
{
if ($value == "*") {
$this->_values[] = "*";
return $this;
}
if (Ipv4::test($value)) {
$this->_values[] = new Ipv4($value, $port);
return $this;
}
if (Ipv6::test($value)) {
$this->_values[] = new Ipv6($value, $port);
return $this;
}
throw new \InvalidArgumentException("{$value} is invalid address");
}
/**
* Does the substraction of this address with the given address. Each byte
* substracts up separately with remainteds. No adderss may substract lower
* than the :: address.
*
* @param Ipv6 $other
*/
public function substract(Ipv6 $other)
{
$new1 = $other->_not();
$new2 = $this->add($new1);
return $new2->add(new Ipv6(array(0, 0, 0, 0, 0, 0, 0, 1)));
}
/**
* Gets whether given ipv6 is included in this network.
*
* @param Ipv6 $address
* @return boolean
*/
public function contains(Ipv6 $address)
{
return $address->_and($this->getNetmaskIp())->equals($this->getNetworkIp());
}