library/Rediska/Connection/Socket.php
protected function _getReadBuffer()
    {
        if ($this->_readBuffer === null) {
            $this->_readBuffer = new Rediska_Connection_Socket_ReadBuffer($this);
        }

        return $this->_readBuffer;
    }
protected function _getReadBuffer()
    {
        if ($this->_readBuffer === null) {
            $this->_readBuffer = new Rediska_Connection_Socket_ReadBuffer($this);
        }

        return $this->_readBuffer;
    }
Get read buffer

@return Rediska_Connection_Socket_ReadBuffer