예제 #1
0
  /**
   * 升级第二步 初始化,客户端通过action操作image
   * transfer对象的方法1来告之表计将要传输的升级包的image_identifier以及升级包的字节数,其中image_identifier包含升级文件头中的升级文件标识+文件类型+对散列校验码加密的加密类型+校验类型+
   * 版本控制+散列校验码(当对散列校验码加密的加密类型=00时)或散列校验码密文(当对散列校验码加密的加密类型不等于00时) 1)
   * Byte1-byte2升级文件标识:2字节,固定HX的ASCII码; 2) Byte3文件类型:1字节 a) 00H:清除传输文件,恢复到升级前状态。 b)
   * 01H:终端升级文件(适用于终端、集中器、计量柜) c) 02H:远程(上行)通讯模块升级文件。 d) 03H:本地通讯模块升级文件。 e) 04H:采集器升级的采集器地址文件。 f)
   * 05H:采集器升级的采集器程序文件。 g) 06H:采集器通信模块升级的地址文件。 h) 07H:采集器通信模块升级的程序文件。 i) 08H:表计升级文件 j)
   * FFH:代表主站下发任意文件程序(其中文件的第一帧中包含文件的相关信息,目前采用该格式升级集中器程序和表计的程序) 3) Byte4对散列校验码加密的加密类型:1字节; 定义(
   * 00:不加密;
   * 01:AES-GCM-128加密,。其中IV固定为12字节00,当表计通信的身份验证机制为NONE时,密钥固定为16字节00;当表计通信的身份验证机制为LLS时,密钥为8字节00+LLS密码,如LLS密码为12345678时,此处的密钥为00
   * 00 00 00 00 00 00 0031 32 33 34 35 36 37
   * 38;当身份验证机制为HLS时,又分为两种情况,通信加密或不加密,通信加密时,此处的密钥为通信密钥EK,通信不加密时,此处的密钥为身份验证的密钥HLS
   * Secret。密钥是通信密钥或者全0;) 4) Byte5校验类型:1字节; 定义(0:无校验;1:MD5;2:CRC16;) 5)
   * Byte6-byte25版本控制:20字节,不足后补00;一般用于文件名来指定适用表计的类型和版本。 6) Byte26-byte41散列校验码:16字节,不足后补00;
   *
   * @param req
   * @param dr
   * @return
   */
  private boolean upgradeStep_02(DlmsRequest req, DlmsRequest dr) {

    if (req.getParams()[0].resultData == null) return false;

    int i_maxSize = req.getParams()[0].resultData.getDoubleLong(); // 获得每帧传送最大字节数
    upgradeInit(req, dr, i_maxSize);

    return true;
  }
예제 #2
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  /**
   * 写升级模式.目前要求至少支持两种模式:0x01升级模式一为针对载波、RF等通信方式,imageBlockSize固定为64字节;0x02升级模式二为针对RS485、GPRS等通信方式,imageBlockSize固定为192字节。
   *
   * @param req
   * @param dr
   * @return
   */
  private boolean updateStep_01_01(DlmsRequest req, DlmsRequest dr) {

    if (req.getParams()[0].resultCode != 0) return false;

    dr.setOpType(DLMS_OP_TYPE.OP_SET);
    dr.setOperator(DlmsUpgradeAssisant.UPGRADE_01_01);
    DlmsData data = new DlmsData();
    data.setUnsigned(0x02);
    setRequestParam(dr, new ObisDescription(1, "0.0.44.128.0.255", 2));
    dr.getParams()[0].data = data;

    return true;
  }
예제 #3
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  /**
   * 升级第4步 检查升级包是否传输完毕,首先客户端读取image_transferred_blocks_status(image
   * transfer对象的属性3)获取各个imageBlock是否已接收的bitmap,如发现有遗漏的block,则补发相应的block,直至所有的block都被表计接收;当(image_transferred_blocks/8)>
   * ImageBlockSize时,客户端需采用选择性读(选择性参数=entry_descriptor)来实现分组读取所有image_transferred_blocks的bitmap,如ImageBlockSize=100,image_transferred_blocks=1800,则客户端需要分三次来读取bitmap(第一次的entry_descriptor中From_entry=0,to_entry=99;第二次entry_descriptor中From_entry=100,to_entry=199;第三次entry_descriptor中From_entry=200,to_entry=00。Entry_descriptor的使用详见《DLMS/COSEM应用层标准》);
   *
   * @param req
   * @param dr
   */
  private void upgradeStep_04(DlmsRequest req, DlmsRequest dr) {
    setRequestParam(dr, new ObisDescription(18, "0.0.44.0.0.255", 3));
    dr.setOpType(DLMS_OP_TYPE.OP_GET);
    dr.removeAppendParam(DlmsUpgradeAssisant.CURRENT_RESSIUE_NUM);
    int i_maxSize = (Integer) dr.getAppendParam(DlmsUpgradeAssisant.MAX_SIZE);
    int blockCount = (Integer) dr.getAppendParam(DlmsUpgradeAssisant.BLOCK_COUNT);

    if (blockCount / 8
        > i_maxSize) { // 按照新的标准:如果(image_transferred_blocks/8)> ImageBlockSize,选择性读,否则,直接读

      int fromIndex = getRessiueBlocks(req, dr);

      int nextIndex = fromIndex + i_maxSize - 1; // 假如读3次的话[0,i_maxSize-1],[i_maxSize,199]
      if (nextIndex > (blockCount / 8)) { // 最后一次读,读完之后,转移到第4步
        nextIndex = 0;
        dr.setOperator(DlmsUpgradeAssisant.UPGRADE_04);
      } else { // 继续读
        dr.setOperator(DlmsUpgradeAssisant.UPGRADE_READMAP);
        dr.addAppendParam(DlmsUpgradeAssisant.CURRENT_INDEX, nextIndex + 1);
      }
      // 分多次读
      SelectiveAccessDescriptor sad = new SelectiveAccessDescriptor();
      sad.selectByIndex(fromIndex, nextIndex);
      dr.getParams()[0].accessSelector = 2;
      dr.getParams()[0].data.assignValue(sad.getParameter());
    } else { // 直接读,读完之后转移到第4步
      dr.setOperator(DlmsUpgradeAssisant.UPGRADE_04);
    }
  }
예제 #4
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  @SuppressWarnings("unchecked")
  private int getRessiueBlocks(DlmsRequest req, DlmsRequest dr) {
    int offset = 0;
    List<Integer> ressiueBlocks = null;
    if (req.containsKey(DlmsUpgradeAssisant.REISSUE_LIST)) {
      ressiueBlocks = (List<Integer>) req.getAppendParam(DlmsUpgradeAssisant.REISSUE_LIST);
    } else {
      ressiueBlocks = new ArrayList<Integer>();
    }
    if (DlmsUpgradeAssisant.UPGRADE_03.equals(req.getOperator())
        || DlmsUpgradeAssisant.UPGRADE_RESSIUE.equals(req.getOperator())) {
      return offset;
    }
    ASN1BitString bitString = req.getParams()[0].resultData.getBitString();
    byte[] bitValue = bitString.getValue();
    // 获得有效位数
    int blockCount = (bitValue.length - 1) * 8 - bitValue[0];

    getRessiueBlocks(bitValue, blockCount, ressiueBlocks, offset + 1);
    if (req.containsKey(DlmsUpgradeAssisant.CURRENT_INDEX)) {
      offset = (Integer) req.getAppendParam(DlmsUpgradeAssisant.CURRENT_INDEX);
    } else {
      offset = 0;
    }
    dr.addAppendParam(DlmsUpgradeAssisant.REISSUE_LIST, ressiueBlocks);
    return offset;
  }
예제 #5
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  /**
   * 升级第一步
   * 从表计获取表支持的ImageBlockSize(即表计支持每帧接收的升级包数据块的字节数,表计根据具体的通信信道给出合适的字节数),ImageBlockSize可通过读取image
   * transfer的属性2获取;
   *
   * @param req
   * @param dr
   * @return
   */
  private boolean upgradeStep_01(DlmsRequest req, DlmsRequest dr) {
    if (req.getParams()[0].resultCode != 0) return false;

    dr.setOpType(DLMS_OP_TYPE.OP_GET);
    dr.setOperator(DlmsUpgradeAssisant.UPGRADE_01);
    setRequestParam(dr, new ObisDescription(18, "0.0.44.0.0.255", 2)); // 读取一次发送的最大字节数

    return true;
  }
예제 #6
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 /**
  * 升级使能
  *
  * @param req
  */
 public void upgradeEnable(DlmsRequest req) {
   // TODO:存储升级信息 状态为正在升级
   req.setOperator(DlmsUpgradeAssisant.UPGRADE_00);
   req.setOpType(DLMS_OP_TYPE.OP_SET);
   DlmsObisItem param = req.getParams()[0];
   param.classId = 18;
   param.attributeId = 5;
   param.obisString = "0.0.44.0.0.255";
   DlmsData data = new DlmsData();
   data.setBool(true);
   param.data = data;
 }
예제 #7
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 /**
  * 传输位图块请求对象
  *
  * @param req
  * @param dr
  * @param blockNum
  * @param block
  */
 public void blockTransferRequest(DlmsRequest dr, Integer blockNum, byte[] block) {
   setRequestParam(dr, new ObisDescription(18, "0.0.44.0.0.255", 2));
   DlmsData data = new DlmsData();
   DlmsData[] datas = new DlmsData[2];
   datas[0] = new DlmsData();
   datas[0].setDoubleLongUnsigned(blockNum);
   datas[1] = new DlmsData();
   datas[1].setOctetString(block);
   ASN1SequenceOf struct = new ASN1SequenceOf(datas);
   data.setStructure(struct);
   dr.getParams()[0].data = data;
 }
예제 #8
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  /**
   * DLMS升级第三步 传输升级包文件,客户端按照Step 1中获取的imageBlockSize分帧传送升级包文件,升级包的传输通过action操作image
   * transfer对象的方法2完成;
   *
   * @param req
   * @param dr
   */
  private boolean upgradeStep_03(DlmsRequest req, DlmsRequest dr) {

    if (req.getParams()[0].resultCode != 0) return false;

    dr.setOperator(DlmsUpgradeAssisant.UPGRADE_03);
    dr.setOpType(DLMS_OP_TYPE.OP_ACTION);
    int i_maxSize = (Integer) dr.getAppendParam(DlmsUpgradeAssisant.MAX_SIZE);
    byte[] content = (byte[]) dr.getAppendParam(DlmsUpgradeAssisant.UPGRADE_CONTENT);
    int currentBlockNum = 0;
    if (!dr.containsKey(DlmsUpgradeAssisant.CURRENT_BLOCK_NUM)) currentBlockNum = 0;
    else currentBlockNum = (Integer) dr.getAppendParam(DlmsUpgradeAssisant.CURRENT_BLOCK_NUM) + 1;
    dr.addAppendParam(DlmsUpgradeAssisant.CURRENT_BLOCK_NUM, currentBlockNum);
    if (tracer.isEnabled()) {
      tracer.trace(
          "MeterId:"
              + dr.getMeterId()
              + ",BlockCount:"
              + (Integer) dr.getAppendParam(DlmsUpgradeAssisant.BLOCK_COUNT)
              + ",CurrentBlockNum:"
              + currentBlockNum);
    }

    if (currentBlockNum == (Integer) dr.getAppendParam(DlmsUpgradeAssisant.BLOCK_COUNT)
        || (content.length % i_maxSize == 0
            && currentBlockNum + 1
                == (Integer) dr.getAppendParam(DlmsUpgradeAssisant.BLOCK_COUNT))) {
      // 当前发送是最后一帧
      dr.addAppendParam(DlmsUpgradeAssisant.IS_TRANSFER_FINISHED, true);
    }
    byte[] currentSendBlock = getCurUpgradeBlock(content, currentBlockNum, i_maxSize);
    String logicAddr = req.getMeterId();
    int tn = 0;
    if (req.getRelayParam() != null) {
      logicAddr = req.getRelayParam().getDcLogicalAddress();
      tn = req.getRelayParam().getMeasurePoint();
    }
    if (tracer.isEnabled())
      tracer.trace(
          "meterId:"
              + logicAddr
              + ",tn:"
              + tn
              + ",currentBlockNum:"
              + currentBlockNum
              + ",blockContent:"
              + HexDump.toHex(currentSendBlock));
    blockTransferRequest(dr, currentBlockNum, currentSendBlock);
    return true;
  }
예제 #9
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 /**
  * 升级过程传输数据块 判断是否传输完毕,如果传输完毕直接进入第4步,否则继续传输
  *
  * @param req
  * @param dr
  * @return
  */
 private boolean blockTransfering(DlmsRequest req, DlmsRequest dr) {
   if (req.getParams()[0].resultCode != 0) return false;
   if (dr.containsKey(DlmsUpgradeAssisant.IS_TRANSFER_FINISHED)) { // 发送完毕了,检查升级包是否完毕
     boolean isTransferFinished =
         (Boolean) dr.getAppendParam(DlmsUpgradeAssisant.IS_TRANSFER_FINISHED);
     if (isTransferFinished) {
       upgradeStep_04(req, dr);
     } else {
       reissueBlock(dr);
     }
   } else {
     upgradeStep_03(req, dr);
   }
   return true;
 }
예제 #10
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  /**
   * 升级初始化
   *
   * @param req
   * @param dr
   * @param i_maxSize
   */
  private void upgradeInit(DlmsRequest req, DlmsRequest dr, int i_maxSize) {
    dr.removeAppendParam(DlmsUpgradeAssisant.CURRENT_BLOCK_NUM);
    dr.addAppendParam(DlmsUpgradeAssisant.MAX_SIZE, i_maxSize);
    dr.setOpType(DLMS_OP_TYPE.OP_ACTION);
    setRequestParam(dr, new ObisDescription(18, "0.0.44.0.0.255", 1)); // 初始化
    DlmsData data = new DlmsData();
    DlmsData[] datas = new DlmsData[2];
    byte[] content = DlmsUpgradeAssisant.getInstance().getFtpFileContent(req);
    dr.addAppendParam(DlmsUpgradeAssisant.UPGRADE_CONTENT, content);
    dr.addAppendParam(DlmsUpgradeAssisant.BLOCK_COUNT, content.length / i_maxSize); // 块数

    byte[] fileHead = fileHeadConstruct(req);
    dr.addAppendParam(DlmsUpgradeAssisant.FILE_HEAD, HexDump.toHex(fileHead));
    datas[0] = new DlmsData(); // image_identifier
    datas[0].setOctetString(fileHead);
    datas[1] = new DlmsData(); // image_szie
    datas[1].setDoubleLongUnsigned(content.length);
    ASN1SequenceOf struct = new ASN1SequenceOf(datas);
    data.setStructure(struct);
    dr.getParams()[0].data = data;
    dr.setOperator(DlmsUpgradeAssisant.UPGRADE_02);
  }
예제 #11
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  /**
   * step7 写入执行时间 新版本软件生效,通过action操作image transfer对象的方法4激活之前步骤中传输的升级包文件。 软件升级时间的格式为array[1] {
   * structure include { time; octet-string[4] date; octet-string[5] } }
   *
   * @param req
   * @param dr
   */
  private void upgradeStep_07(DlmsRequest req, DlmsRequest dr) {
    // 写执行时间
    String strEffcDate = (String) dr.getAppendParam(DlmsUpgradeAssisant.EFFECTIVE_TIME);
    String[] dateTime = strEffcDate.split(" ");
    DlmsData[] effcDate = new DlmsData[2];
    effcDate[0] = new DlmsData();
    effcDate[0].setDlmsTime(dateTime[1]);
    effcDate[1] = new DlmsData();
    effcDate[1].setDlmsDate(dateTime[0]);
    DlmsData[] array = new DlmsData[] {new DlmsData()};
    ASN1SequenceOf struct = new ASN1SequenceOf(effcDate);
    array[0].setStructure(struct);
    DlmsData data = new DlmsData();
    try {
      data.setArray(array);
    } catch (IOException e) {
      log.error(StringUtil.getExceptionDetailInfo(e));
    }

    setRequestParam(dr, new ObisDescription(22, "0.0.15.0.2.255", 4));
    dr.getParams()[0].data = data;
    dr.setOpType(DLMS_OP_TYPE.OP_SET);
    dr.setOperator(DlmsUpgradeAssisant.UPGRADE_07);
  }
예제 #12
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  public void handleUpgrade(DlmsEventProcessor processor, DlmsRequest req, DlmsContext context) {

    try {
      boolean isFinished = false; // 是否升级结束
      boolean isSuccess = true; // 命令是否成功

      DlmsRequest dr = new DlmsRequest();
      dr.setRelayParam(req.getRelayParam());
      dr.setMeterId(context.meterId);
      dr.addAllAppendParmas(req.getAllParam());
      dr.setDestAddr(req.getDestAddr());

      if (req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_00)) {
        isSuccess = updateStep_01_01(req, dr);
      } else if (req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_01_01)) {
        isSuccess = upgradeStep_01(req, dr);
      } else if (req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_01)) {
        isSuccess = upgradeStep_02(req, dr);
      } else if (req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_02)) {
        isSuccess = upgradeStep_03(req, dr);
      } else if (req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_03)
          || req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_RESSIUE)) {
        isSuccess = blockTransfering(req, dr);
      } else if (req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_READMAP)) {
        upgradeStep_04(req, dr);
      } else if (req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_04)) {
        if (checkBitMap(req, dr)) { // 如果没有漏点,进入第五步
          upgradeStep_05(req, dr);
        }
      } else if (req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_05)) { // 检测验证是否成功
        if (req.getParams()[0].resultCode == 2) { // 如果返回的是temporary-failure,休息一会再读
          try {
            Thread.sleep(sleepTimeStay06Step * 1000);
          } catch (InterruptedException e) {
          }
        }
        readTransferStatus(dr); // 这里无论返回什么,都去读升级状态
      } else if (req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_READ_STATUS)) {
        int verfiyFlg = req.getParams()[0].resultData.getEnum();
        if (verfiyFlg == 3) {
          upgradeStep_06(req, dr);
        } else if (verfiyFlg == 2) {
          try {
            Thread.sleep(sleepTimeStay06Step * 1000);
          } catch (InterruptedException e) {
          }
          readTransferStatus(dr);
        } else { // 除了上面两种情况,都是失败
          isSuccess = false;
        }
      } else if (req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_06)) {
        // 读到的数据与主站下发做比较
        // 如果成功,执行第7步
        {
          upgradeStep_07(req, dr);
        }
      } else if (req.getOperator().equals(DlmsUpgradeAssisant.UPGRADE_07)) {
        // 如果结束 设置finished=true
        if (req.getParams()[0].resultCode == 0) isFinished = true;
        else {
          isSuccess = false;
        }
      }

      // 查询待发送列表中,是否有要升级的请求,如果有,则当前请求判定为失败
      if (context.webReqList.size() > 0) {
        DlmsEvent evt = (DlmsEvent) context.webReqList.get(0);
        DlmsRequest request = (DlmsRequest) evt.getRequest();
        if (request.getOperator() != null && request.getOperator().contains("UPGRADE")) {
          isSuccess = false;
          log.error(
              "meterid="
                  + context.meterId
                  + ".New upgrade request is comming,current upgrade set fail");
        }
      }

      if (!isSuccess) {
        DlmsUpgradeAssisant.getInstance().updateUpgradeInfo(req, UpgradeInfo.FAIL); // 设置为失败
        DlmsUpgradeAssisant.getInstance().updateUpgradeStatus(req, "00");
        if (tracer.isEnabled())
          tracer.trace(
              "Upgrade Failed. MeterId=" + req.getMeterId() + ",Operator=" + req.getOperator());
        return;
      }
      if (!isFinished) {
        DlmsUpgradeAssisant.getInstance().onUpgradeSuccess(dr);
        processor.postWebRequest(dr, null);
      } else {
        // 收尾阶段
        req.addAppendParam(
            DlmsUpgradeAssisant.CURRENT_BLOCK_NUM,
            (Integer) req.getAppendParam(DlmsUpgradeAssisant.BLOCK_COUNT));
        DlmsUpgradeAssisant.getInstance().updateUpgradeInfo(req, UpgradeInfo.SUCCESS); // 设置为成功
        DlmsUpgradeAssisant.getInstance().updateUpgradeStatus(req, "02");
      }
    } catch (Exception e) {
      log.error(StringUtil.getExceptionDetailInfo(e));
      DlmsUpgradeAssisant.getInstance().updateUpgradeInfo(req, UpgradeInfo.FAIL); // 设置为失败
      DlmsUpgradeAssisant.getInstance().updateUpgradeStatus(req, "00");
    }
  }