protected function packet_oack() { $options = array(); if($this->retransmit_timeout != $this->_server->retransmit_timeout) $options["timeout"] = (string)$this->retransmit_timeout; if($this->block_size != $this->_server->block_size) $options["blksize"] = (string)$this->block_size; if($this->tsize != 0) $options["tsize"] = (string)$this->tsize; return TFTPServer::packet_oack($options); }