/**
* Reads the given amount of data from the socket and wraps it into the
* buffer
*
* @param int $bufferLength The data length to read from the socket
* @throws SocketException if an error occurs while reading data
* @throws TimeoutException if no packet is received on time
* @return int The number of bytes that have been read from the socket
* @see ByteBuffer
*/
public function receivePacket($bufferLength = 0)
{
if (!$this->socket->select(self::$timeout)) {
throw new TimeoutException();
}
if ($bufferLength == 0) {
$this->buffer->clear();
} else {
$this->buffer = ByteBuffer::allocate($bufferLength);
}
try {
$data = $this->socket->recv($this->buffer->remaining());
$this->buffer->put($data);
} catch (ConnectionResetException $e) {
$this->socket->close();
throw $e;
}
$bytesRead = $this->buffer->position();
$this->buffer->rewind();
$this->buffer->limit($bytesRead);
return $bytesRead;
}
