/**
* Sends the query over a communicator.
*
* The only difference with the non private equivalent is that this one does
* not do locking.
*
* @param Communicator $com The communicator to send the query over.
*
* @return int The number of bytes sent.
*/
private function _send(Communicator $com)
{
if (!$com->getTransmitter()->isAcceptingData()) {
throw new SocketException('Transmitter is invalid. Sending aborted.', SocketException::CODE_UNACCEPTING_QUERY);
}
$bytes = 0;
foreach ($this->words as $queryWord) {
list($predicate, $value) = $queryWord;
$prefix = '?' . $predicate;
if (null === $value) {
$bytes += $com->sendWord($prefix);
} else {
$prefix .= '=';
if (is_string($value)) {
$bytes += $com->sendWord($prefix . $value);
} else {
$bytes += $com->sendWordFromStream($prefix, $value);
}
}
}
return $bytes;
}
/**
* Sends a request over a communicator.
*
* The only difference with the non private equivalent is that this one does
* not do locking.
*
* @param Communicator $com The communicator to send the request over.
*
* @return int The number of bytes sent.
* @see Client::sendSync()
* @see Client::sendAsync()
*/
private function _send(Communicator $com)
{
if (!$com->getTransmitter()->isAcceptingData()) {
throw new SocketException('Transmitter is invalid. Sending aborted.', SocketException::CODE_UNACCEPTING_REQEUST);
}
$bytes = 0;
$bytes += $com->sendWord($this->getCommand());
if (null !== ($tag = $this->getTag())) {
$bytes += $com->sendWord('.tag=' . $tag);
}
foreach ($this->getAllArguments() as $name => $value) {
$prefix = '=' . $name . '=';
if (is_string($value)) {
$bytes += $com->sendWord($prefix . $value);
} else {
$bytes += $com->sendWordFromStream($prefix, $value);
}
}
$query = $this->getQuery();
if ($query instanceof Query) {
$bytes += $query->send($com);
}
$bytes += $com->sendWord('');
return $bytes;
}
/**
* Extracts a new response from a communicator.
*
* This is the function that performs the actual receiving, while the
* constructor is also involved in locks and registry sync.
*
* @param Communicator $com The communicator from which to extract
* the new response.
* @param bool $asStream Whether to populate the argument values
* with streams instead of strings.
* @param int $timeout_s If a response is not immediatly
* available, wait this many seconds. If NULL, wait indefinetly.
* @param int $timeout_us Microseconds to add to the waiting time.
*
* @return void
*/
private function _receive(Communicator $com, $asStream = false, $timeout_s = 0, $timeout_us = null)
{
if (!$com->getTransmitter()->isDataAwaiting($timeout_s, $timeout_us)) {
throw new SocketException('No data within the time limit', SocketException::CODE_NO_DATA);
}
$this->setType($com->getNextWord());
if ($asStream) {
for ($word = $com->getNextWordAsStream(), fseek($word, 0, SEEK_END); ftell($word) !== 0; $word = $com->getNextWordAsStream(), fseek($word, 0, SEEK_END)) {
rewind($word);
$ind = fread($word, 1);
if ('=' === $ind || '.' === $ind) {
$prefix = stream_get_line($word, null, '=');
}
if ('=' === $ind) {
$value = fopen('php://temp', 'r+b');
$bytesCopied = ftell($word);
while (!feof($word)) {
$bytesCopied += stream_copy_to_stream($word, $value, 0xfffff, $bytesCopied);
}
rewind($value);
$this->setArgument($prefix, $value);
continue;
}
if ('.' === $ind && 'tag' === $prefix) {
$this->setTag(stream_get_contents($word, -1, -1));
continue;
}
rewind($word);
$this->unrecognizedWords[] = $word;
}
} else {
for ($word = $com->getNextWord(); '' !== $word; $word = $com->getNextWord()) {
if (preg_match('/^=([^=]+)=(.*)$/sS', $word, $matches)) {
$this->setArgument($matches[1], $matches[2]);
} elseif (preg_match('/^\\.tag=(.*)$/sS', $word, $matches)) {
$this->setTag($matches[1]);
} else {
$this->unrecognizedWords[] = $word;
}
}
}
}
/**
* Login to a RouterOS connection.
*
* @param Communicator $com The communicator to attempt to login to.
* @param string $username The RouterOS username.
* @param string $password The RouterOS password.
* @param int|null $timeout The time to wait for each response. NULL
* waits indefinetly.
*
* @return bool TRUE on success, FALSE on failure.
*/
public static function login(Communicator $com, $username, $password = '', $timeout = null)
{
if (null !== ($remoteCharset = $com->getCharset($com::CHARSET_REMOTE)) && null !== ($localCharset = $com->getCharset($com::CHARSET_LOCAL))) {
$password = iconv($localCharset, $remoteCharset . '//IGNORE//TRANSLIT', $password);
}
$old = null;
try {
if ($com->getTransmitter()->isPersistent()) {
$old = $com->getTransmitter()->lock(S::DIRECTION_ALL);
$result = self::_login($com, $username, $password, $timeout);
$com->getTransmitter()->lock($old, true);
return $result;
}
return self::_login($com, $username, $password, $timeout);
} catch (Exception $e) {
if ($com->getTransmitter()->isPersistent() && null !== $old) {
$com->getTransmitter()->lock($old, true);
}
throw $e instanceof NotSupportedException || $e instanceof UnexpectedValueException || !$com->getTransmitter()->isDataAwaiting() ? new SocketException('This is not a compatible RouterOS service', SocketException::CODE_SERVICE_INCOMPATIBLE, $e) : $e;
}
}