/**
* Appends the given data to the internal buffer and parses it.
*
* @param string $data
*
* @return Packet[]
*/
public function push($data)
{
$this->buffer->write($data);
$result = [];
while ($this->buffer->getRemainingBytes() > 0) {
$type = $this->buffer->readByte() >> 4;
try {
$packet = $this->factory->build($type);
} catch (UnknownPacketTypeException $e) {
$this->handleError($e);
continue;
}
$this->buffer->seek(-1);
$position = $this->buffer->getPosition();
try {
$packet->read($this->buffer);
$result[] = $packet;
$this->buffer->cut();
} catch (EndOfStreamException $e) {
$this->buffer->setPosition($position);
break;
} catch (MalformedPacketException $e) {
$this->handleError($e);
}
}
return $result;
}
/**
* Reads the remaining length from the given stream.
*
* @param PacketStream $stream
*
* @throws MalformedPacketException
*/
private function readRemainingLength(PacketStream $stream)
{
$this->remainingPacketLength = 0;
$multiplier = 1;
do {
$encodedByte = $stream->readByte();
$this->remainingPacketLength += ($encodedByte & 127) * $multiplier;
$multiplier *= 128;
if ($multiplier > 128 * 128 * 128 * 128) {
throw new MalformedPacketException('Malformed remaining length.');
}
} while (($encodedByte & 128) !== 0);
}
