private static final Logger log = LoggerFactory.getLogger(SmbSessionImpl.class);

    /*
     * 0 - not connected
     * 1 - connecting
     * 2 - connected
     * 3 - disconnecting
     */
    private final AtomicInteger connectionState = new AtomicInteger();
    private int uid;
    private List<SmbTreeImpl> trees;

    private final SmbTransportImpl transport;
    private long expiration;

        long l = getUsageCount();
        if ( ( inUse && l != 1 ) || ( !inUse && l > 0 ) ) {
            log.warn("Disconnecting transport while still in use " + this + ": " + this.sessions);
            wasInUse = true;
        }

        if ( log.isDebugEnabled() ) {
            log.debug("Disconnecting transport " + this);
        }

        try {
            if ( log.isTraceEnabled() ) {

	for {
		n, err := io.CopyN(xioutil.Discard, r.Body, 128*humanize.KiByte)
		atomic.AddUint64(&globalNetPerfRX.RX, uint64(n))
		if err != nil && err != io.EOF {
			// If there is a disconnection before globalNetPerfMinDuration (we give a margin of error of 1 sec)
			// would mean the network is not stable. Logging here will help in debugging network issues.