public static final int DCERPC_FIRST_FRAG = 0x01; /* First fragment */
    public static final int DCERPC_LAST_FRAG = 0x02; /* Last fragment */
    public static final int DCERPC_PENDING_CANCEL = 0x04; /* Cancel was pending at sender */
    public static final int DCERPC_RESERVED_1 = 0x08;
    public static final int DCERPC_CONC_MPX = 0x10; /* supports concurrent multiplexing */

/**
 * This class simplifies communication for protocols that support
 * multiplexing requests. It encapsulates a stream and some protocol
 * knowledge (provided by a concrete subclass) so that connecting,
 * disconnecting, sending, and receiving can be syncronized
 * properly. Apparatus is provided to send and receive requests
 * concurrently.
 */

public abstract class Transport implements Runnable, AutoCloseable {

     * opened if it is not and should be closed with {@link #close()} when no longer
     * needed.
     * 
     * Closing the context should cancel a pending notify request, but that does not seem to work reliable in all
     * implementations.
     * 
     * Changes in between these calls (as long as the file is open) are buffered by the server, so iteratively calling

/**
 * This class simplifies communication for protocols that support
 * multiplexing requests. It encapsulates a stream and some protocol
 * knowledge (provided by a concrete subclass) so that connecting,
 * disconnecting, sending, and receiving can be syncronized
 * properly. Apparatus is provided to send and receive requests
 * concurrently.
 */

public abstract class Transport implements Runnable {

    static int id = 0;

    public static final int DCERPC_FIRST_FRAG      = 0x01; /* First fragment */
    public static final int DCERPC_LAST_FRAG       = 0x02; /* Last fragment */
    public static final int DCERPC_PENDING_CANCEL  = 0x04; /* Cancel was pending at sender */
    public static final int DCERPC_RESERVED_1      = 0x08;
    public static final int DCERPC_CONC_MPX        = 0x10; /* supports concurrent multiplexing */

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#received()
     */
    @Override
    public final void received () {
        if ( isAsync() && getStatus() == NtStatus.NT_STATUS_PENDING ) {
            synchronized ( this ) {
                notifyAll();
            }
            return;
        }
        this.received = true;
        synchronized ( this ) {
            notifyAll();

            try {
                CommonServerMessageBlockResponse resp = thisReq.getResponse();
                if ( log.isTraceEnabled() ) {
                    log.trace("Sending " + thisReq);
                }
                resp = super.sendrecv(curHead, resp, params);

                if ( !checkStatus(curHead, resp) ) {
                    if ( log.isDebugEnabled() ) {

                resp = new NtTransNotifyChangeResponse(th.getConfig());
            }

            if ( log.isTraceEnabled() ) {
                log.trace("Sending NtTransNotifyChange for " + this.handle);
            }
            try {
                resp = th.send(req, resp, RequestParam.NO_TIMEOUT, RequestParam.NO_RETRY);
            }
            catch ( SmbException e ) {

     * 
     * @return whether DFS lookup is disabled
     */
    boolean isDfsDisabled ();


    /**
     * Enable hack to make kerberos auth work with DFS sending short names
     * 
     * This works by appending the domain name to the netbios short name and will fail horribly if this mapping is not
     * correct for your domain.
     * 

            return;
        }
        Smb2NegotiateRequest negoReq = new Smb2NegotiateRequest(sess.getConfig(), trans.getRequestSecurityMode(nego));

        log.debug("Sending VALIDATE_NEGOTIATE_INFO");
        Smb2IoctlRequest req = new Smb2IoctlRequest(sess.getConfig(), Smb2IoctlRequest.FSCTL_VALIDATE_NEGOTIATE_INFO);
        req.setFlags(Smb2IoctlRequest.SMB2_O_IOCTL_IS_FSCTL);