abstract class SmbComTransaction extends ServerMessageBlock implements Enumeration {

    private static final int DEFAULT_MAX_DATA_COUNT =
            Config.getInt( "jcifs.smb1.smb.client.transaction_buf_size",
                    SmbComTransaction.TRANSACTION_BUF_SIZE ) - 512;

    // relative to headerStart
    private static final int PRIMARY_SETUP_OFFSET        = 61;
    private static final int SECONDARY_PARAMETER_OFFSET  = 51;

    private int pad2 = 0;
    private boolean hasMore = true;
    private boolean isPrimary = true;
    private int bufParameterOffset;
    private int bufDataOffset;

    static final int TRANSACTION_BUF_SIZE = 0xFFFF;

    /**
     * 
     */
    public static final byte TRANS2_FIND_FIRST2 = (byte) 0x01;
    /**
     * 
     */
    public static final byte TRANS2_FIND_NEXT2 = (byte) 0x02;
    /**

    /**
     * 
     * @return the maximum size of IO buffers, limits the maximum message size
     */
    int getMaximumBufferSize ();


    /**
     * 
     * Property <tt>jcifs.smb.client.transaction_buf_size</tt> (int, default 65535)
     * 
     * @return maximum data size for SMB transactions
     */
    int getTransactionBufferSize ();


    /**
     *