protected int executeCommand(final String[] commands, final String username, final String password) {
        if (commands == null || commands.length == 0) {
            throw new CommandExecutionException("command is empty.");
        }

        if (logger.isInfoEnabled()) {
            logger.info("Command: {}", String.join(" ", commands));
        }

        final String[] cmds = stream(commands).get(stream -> stream.map(s -> {

    private byte[] b;

    SmbComWrite() {
        super();
        command = SMB_COM_WRITE;
    }
    SmbComWrite( int fid, int offset, int remaining, byte[] b, int off, int len ) {
        this.fid = fid;
        this.count = len;
        this.offset = offset;
        this.remaining = remaining;
        this.b = b;
        this.off = off;
        command = SMB_COM_WRITE;
    }

    AndXServerMessageBlock() {
    }
    AndXServerMessageBlock( ServerMessageBlock andx ) {
        if (andx != null) {
            this.andx = andx;
            andxCommand = andx.command;
        }
    }

    int getBatchLimit( byte command ) {
        /* the default limit is 0 batched messages before this
         * one, meaning this message cannot be batched.
         */
        return 0;
    }

    /* 

  public void testTimeout() throws Exception {
    // Create a service whose executor will never run its commands
    Service service =
        new TestService() {
          @Override
          protected Executor executor() {
            return new Executor() {
              @Override
              public void execute(Runnable command) {}
            };
          }

          @Override

  private Throwable thrownByExecutionThread;
  private final Executor exceptionCatchingExecutor =
      new Executor() {
        @Override
        public void execute(Runnable command) {
          executionThread = new Thread(command);
          executionThread.setUncaughtExceptionHandler(
              new UncaughtExceptionHandler() {
                @Override

                        * like writeandx will choke if session
                        * closes in between */
    }
    int getBatchLimit( byte command ) {
        if( command == SMB_COM_READ_ANDX ) {
            return READ_ANDX_BATCH_LIMIT;
        }
        if( command == SMB_COM_CLOSE ) {
            return CLOSE_BATCH_LIMIT;
        }
        return 0;
    }

        }
    }


    protected AndXServerMessageBlock ( Configuration config, byte command ) {
        this(config, command, null);
    }


    protected AndXServerMessageBlock ( Configuration config, byte command, ServerMessageBlock andx ) {
        super(config, command);
        this.andx = andx;
        if ( andx != null ) {
            this.andxCommand = (byte) andx.getCommand();
        }

        this.remaining = remaining;
        this.b = b;
        this.off = off;
        this.count = len;
        this.digest = null; /*
                             * otherwise recycled commands
                             * like writeandx will choke if session
                             * closes in between
                             */
    }


    @Override

        this.offset = offset;
        this.remaining = remaining;
        this.b = b;
        this.off = off;
        this.dataLength = len;
        this.digest = null; /*
                             * otherwise recycled commands
                             * like writeandx will choke if session
                             * closes in between
                             */
    }


    /**
     * @param writeMode

      new ScheduledThreadPoolExecutor(10) {
        @Override
        public ScheduledFuture<?> scheduleWithFixedDelay(
            Runnable command, long initialDelay, long delay, TimeUnit unit) {
          return future = super.scheduleWithFixedDelay(command, initialDelay, delay, unit);
        }
      };

  public void testServiceStartStop() throws Exception {
    NullService service = new NullService();