long ioff = 0;
                        for (int i = 0; i < chunks; i++) {
                            final long absoff = ooff + ioff;
                            final int csize = i == chunks - 1 ? lastChunkSize : maxChunkSize;
                            chunkInfo[i] = new SrvCopychunk(absoff, absoff, csize);
                            ioff += maxChunkSize;
                        }

     * @param src the source data array
     * @param soff the offset in the source array
     * @param slen the length of data to process
     * @param dst the destination array for the result
     * @param doff the offset in the destination array
     */
    public void update(final byte[] src, int soff, final int slen, final byte[] dst, int doff) {
        int slim = soff + slen;
        while (soff < slim) {
            i = i + 1 & 0xff;

    /**
     * Constructs a server copy chunk descriptor
     * @param soff the source file offset
     * @param toff the target file offset
     * @param len the length of data to copy
     */
    public SrvCopychunk(final long soff, final long toff, final int len) {
        this.sourceOffset = soff;
        this.targetOffset = toff;
        this.length = len;
    }

    /**
     * {@inheritDoc}
     *

        this.b = b;
        this.off = off;
    }

    /**
     * Sets the parameters for this write request.
     *
     * @param fid the file identifier
     * @param offset the file offset at which to write
     * @param remaining the number of bytes remaining to be written
     * @param b the data buffer containing bytes to write
     * @param off the offset in the buffer where data starts

        this.b = b;
        this.off = off;
        dataLength = len;
        command = SMB_COM_WRITE_ANDX;
    }

    void setParam(final int fid, final long offset, final int remaining, final byte[] b, final int off, final int len) {
        this.fid = fid;
        this.offset = offset;
        this.remaining = remaining;
        this.b = b;
        this.off = off;
        dataLength = len;

                    len -= cnt;
                    off += cnt;
                } else {
                    if (log.isTraceEnabled()) {
                        log.trace(String.format("Wrote at %d remain %d off %d len %d", this.fp, len - w, off, w));
                    }
                    this.req.setParam(fh.getFid(), this.fp, len - w, b, off, w);
                    th.send(this.req, this.rsp);

        assertEquals(remaining, getFieldValue(write, "remaining"), "Remaining should match constructor arg");
        assertEquals(buffer, getFieldValue(write, "b"), "Buffer reference should be set");
        assertEquals(off, getFieldValue(write, "off"), "Off should match constructor arg");
        assertEquals(len, getFieldValue(write, "count"), "Count should equal len");
    }

    /**
     * Test setParam method updates the write parameters
     */

    @Override
    public synchronized void write(final byte[] b, int off, final int len) throws IOException {
        if (len > 0xFFFF) {
            throw new IOException("write too large: " + len);
        }
        if (off < 4) {
            throw new IOException("NetBIOS socket output buffer requires 4 bytes available before off");
        }

        off -= 4;

        b[off + 0] = (byte) SessionServicePacket.SESSION_MESSAGE;

            result = len > used ? used : len;
            if (used > i && result > i) {
                System.arraycopy(pipe_buf, beg_idx, b, off, i);
                off += i;
                System.arraycopy(pipe_buf, 0, b, off, result - i);
            } else {
                System.arraycopy(pipe_buf, beg_idx, b, off, result);
            }
            used -= result;
            beg_idx = (beg_idx + result) % pipe_buf.length;
        }

            e.type = SMBUtil.readInt2(buffer, bufferIndex);
            bufferIndex += 2;
            int off = SMBUtil.readInt4(buffer, bufferIndex);
            bufferIndex += 4;
            off = (off & 0xFFFF) - this.converter;
            off = start + off;
            e.remark = readString(buffer, off, 128, false);

            if (log.isTraceEnabled()) {
                log.trace(e.toString());
            }