super.toString() +
            ",snd_buf_size=" + session.transport.snd_buf_size +
            ",maxMpxCount=" + session.transport.maxMpxCount +
            ",VC_NUMBER=" + session.transport.VC_NUMBER +
            ",sessionKey=" + sessionKey +
            ",lmHash.length=" + (lmHash == null ? 0 : lmHash.length) +
            ",ntHash.length=" + (ntHash == null ? 0 : ntHash.length) +

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.util.transport;


/**
 * 
 *
 */
public interface Request extends Message {

    /**
     * @return number of credits this request requires
     */
    int getCreditCost ();


    /**
     * @param credits
     */
    void setRequestCredits ( int credits );


    /**

        buf.enc_ndr_small(1); /* num context items */
        buf.enc_ndr_small(0); /* reserved */
        buf.enc_ndr_short(0); /* reserved2 */
        buf.enc_ndr_short(0); /* context id */
        buf.enc_ndr_small(1); /* number of items */
        buf.enc_ndr_small(0); /* reserved */
        binding.uuid.encode(buf);
        buf.enc_ndr_short(binding.major);
        buf.enc_ndr_short(binding.minor);
        DCERPC_UUID_SYNTAX_NDR.encode(buf);

import jcifs.RuntimeCIFSException;
import jcifs.dcerpc.rpc;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;


/**
 * Internal representation of SIDs
 * 
 * A Windows SID is a numeric identifier used to represent Windows
 * accounts. SIDs are commonly represented using a textual format such as
 * <tt>S-1-5-21-1496946806-2192648263-3843101252-1029</tt> but they may

    /**
     * Read bytes from the input stream into a buffer
     * 
     * @param in
     * @param b
     * @param off
     * @param len
     * @return number of bytes read
     * @throws IOException
     */
    public static int readn ( InputStream in, byte[] b, int off, int len ) throws IOException {
        int i = 0, n = -5;

        if ( off + len > b.length ) {

     * @throws SmbException
     */
    int read () throws SmbException;


    /**
     * Read into buffer from current position
     * 
     * @param b
     *            buffer
     * @return number of bytes read
     * @throws SmbException
     */
    int read ( byte[] b ) throws SmbException;


    /**
     * Read into buffer from current position
     * 
     * @param b
     *            buffer

    }


    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.
     * 
     * @param b
     * @param off
     * @param len
     * @return number of bytes read
     *
     * @throws IOException
     *             if a network error occurs
     */
    public int readDirect ( byte[] b, int off, int len ) throws IOException {
        if ( len <= 0 ) {

        }
        updates = 0;

        return b;
    }

    /**
     * Performs MAC signing of the SMB.  This is done as follows.
     * The signature field of the SMB is overwritted with the sequence number;
     * The MD5 digest of the MAC signing key + the entire SMB is taken;
     * The first 8 bytes of this are placed in the signature field.
     *
     * @param data The data.

            "SmbComSessionSetupAndX[" + super.toString() + ",snd_buf_size=" + this.negotiated.getNegotiatedSendBufferSize() + ",maxMpxCount="
                    + this.negotiated.getNegotiatedMpxCount() + ",VC_NUMBER=" + getConfig().getVcNumber() + ",sessionKey="
                    + this.negotiated.getNegotiatedSessionKey() + ",lmHash.length=" + ( this.lmHash == null ? 0 : this.lmHash.length )

 * return 0 for streams connected to regular files. However, a 
 * stream created from a Named Pipe this method will query the server using a
 * "peek named pipe" operation and return the number of available bytes
 * on the server.
 */
    public int available() throws IOException {
        SmbNamedPipe pipe;
        TransPeekNamedPipe req;
        TransPeekNamedPipeResponse resp;