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;

     * block is automatically generated from the ntstatus package.
     */

    public static final int NT_STATUS_OK = 0x00000000;
    public static final int NT_STATUS_PENDING = 0x00000103;
    public static final int NT_STATUS_NOTIFY_ENUM_DIR = 0x0000010C;
    public static final int NT_STATUS_BUFFER_OVERFLOW = 0x80000005;
    public static final int NT_STATUS_UNSUCCESSFUL = 0xC0000001;

    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();

    public static final int SMB2_DIALECT_ANY = 0x02FF;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_DFS = 0x1;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_LEASING = 0x2;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_LARGE_MTU = 0x4;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_MULTI_CHANNEL = 0x8;

    /**

        while ( iter.hasNext() ) {
            SmbSessionImpl ssn = iter.next();
            if ( ssn.matches(tf, targetHost, targetDomain) ) {
                if ( log.isTraceEnabled() ) {
                    log.trace("Reusing existing session " + ssn);
                }
                return ssn.acquire();
            }
            else if ( log.isTraceEnabled() ) {

                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 ) {