}

        this.length = bufferIndex - start;
        int len = this.length;

        if (this.nextCommand != 0) {
            // padding becomes part of signature if this is _PART_ of a compound chain
            len += pad8(bufferIndex);
        } else if (compound && this.nextCommand == 0 && this.readSize > 0) {

            byte[] buffer = new byte[512];
            System.arraycopy(SMBUtil.SMB2_HEADER, 0, buffer, 0, 4);
            SMBUtil.writeInt4(0, buffer, 20); // nextCommand = 0 (final)

            testMessage.setBytesRead(10);
            testMessage.setReadSize(200); // Total read size

            int len = testMessage.decode(buffer, 0, true);