/**
* Compares two respones.
*
* Compares two respones, based on criteria defined in
* {@link static::$compareBy}.
*
* @param Response $itemA The response to compare.
* @param Response $itemB The response to compare $a against.
*
* @return int Returns 0 if the two respones are equal according to every
* criteria specified, -1 if $a should be placed before $b, and 1 if $b
* should be placed before $a.
*/
protected function compare(Response $itemA, Response $itemB)
{
foreach ($this->compareBy as $name => $spec) {
if (!is_string($name)) {
$name = $spec;
$spec = null;
}
$members = array(0 => $itemA->getProperty($name), 1 => $itemB->getProperty($name));
if (is_callable($spec)) {
uasort($members, $spec);
} elseif ($members[0] === $members[1]) {
continue;
} else {
$flags = SORT_REGULAR;
$order = SORT_ASC;
if (is_array($spec)) {
list($order, $flags) = $spec;
} elseif (null !== $spec) {
$order = $spec;
}
if (SORT_ASC === $order) {
asort($members, $flags);
} else {
arsort($members, $flags);
}
}
return key($members) === 0 ? -1 : 1;
}
return 0;
}
/**
* Checks whether the queue item's target is the HOSTNAME_INVALID constant.
*
* @param Response $item The item to check.
*
* @return bool TRUE on success, FALSE on failure.
*/
function isHostnameInvalid(Response $item)
{
return $item->getProperty('target') === Test\HOSTNAME_INVALID . '/32';
}
/**
* Login to a RouterOS connection.
*
* This is the actual login procedure, applied regardless of persistence and
* charset settings.
*
* @param Communicator $com The communicator to attempt to login to.
* @param string $username The RouterOS username.
* @param string $password The RouterOS password. Potentially parsed
* already by iconv.
* @param int|null $timeout The time to wait for each response. NULL
* waits indefinetly.
*
* @return bool TRUE on success, FALSE on failure.
*/
private static function _login(Communicator $com, $username, $password = '', $timeout = null)
{
$request = new Request('/login');
$request->send($com);
$response = new Response($com, false, $timeout);
$request->setArgument('name', $username);
$request->setArgument('response', '00' . md5(chr(0) . $password . pack('H*', $response->getProperty('ret'))));
$request->send($com);
$response = new Response($com, false, $timeout);
return $response->getType() === Response::TYPE_FINAL && null === $response->getProperty('ret');
}
