public void addBytesSent(long bytes) {
        bytesSent.addAndGet(bytes);
    }

    /**
     * Add bytes received
     *
     * @param bytes number of bytes
     */
    public void addBytesReceived(long bytes) {
        bytesReceived.addAndGet(bytes);
    }

    /**
     * Increment requests sent counter
     */
    public void incrementRequestsSent() {
        requestsSent.incrementAndGet();