/**
* 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);
}
}
/**
* 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;
}
public void readAlarm(
DlmsEventProcessor processor,
DlmsObisItem[] params,
DlmsRequest req,
DlmsContext context,
String dateTime) {
boolean isIranTime = DlmsConstant.getInstance().isIranTime;
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
if (isIranTime && !isOldProtocol(context.subProtocol)) { // 伊朗老表上报时间是公历,这里就不要将伊朗历转为公历了。
dateTime = DateConvert.iranToGregorian(dateTime);
}
Date occurTime = null;
try {
occurTime = sdf.parse(dateTime);
req.addAppendParam("EventOccurTime", occurTime);
req.addAppendParam("OBIS", params[0].obisString);
} catch (ParseException e) {
}
req.setOperator("EVENT_READING_AUTO");
req.setOpType(DLMS_OP_TYPE.OP_GET);
params[0].accessSelector = 1;
params[0].classId = 7;
params[0].attributeId = 2;
req.setMeterId(context.meterId);
SelectiveAccessDescriptor sad = new SelectiveAccessDescriptor();
String fromTime = sdf.format(occurTime.getTime() - 1 * 1000 * 60);
String now = sdf.format(occurTime.getTime() + 1 * 1000 * 60);
DlmsAlarmStatus alarmStatus =
DlmsAlarmManager.getInstance().getAlarmStatus(context.meterId, params[0].obisString);
if (alarmStatus != null) {
// -------------------包含最大读事件间隔--------------------------------------------------
// Calendar rc = Calendar.getInstance();
// rc.setTime(alarmStatus.getLastReportTime());
// Calendar fc = Calendar.getInstance();
// fc.setTime(occurTime);
// rc.add(Calendar.HOUR, DlmsConstant.getInstance().alarmTimeReadInterval);
// if(!rc.before(fc)){//读事件的间隔不能太长。
// fromTime=sdf.format(alarmStatus.getLastReportTime());
// }
// -------------------不包含最大读事件间隔------------------------------------------------
Calendar fc = Calendar.getInstance();
fc.setTime(occurTime);
fromTime = sdf.format(alarmStatus.getLastReportTime());
}
// 事件上报的帧里，含有时间，可以利用这个时间进行抄读
fromTime = isIranTime ? DateConvert.gregorianToIran(fromTime) : fromTime;
now = isIranTime ? DateConvert.gregorianToIran(now) : now;
sad.selectByPeriodOfTime(fromTime, now, isOldProtocol(context.subProtocol));
params[0].data.assignValue(sad.getParameter());
req.setSubprotocol(context.subProtocol);
req.setParams(params);
processor.postWebRequest(req, null);
}
/**
* 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;
}
/**
* 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;
}
/**
* 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;
}
/**
* 软件升级断点续传初始化
*
* @param req
*/
public void upgradeReissueInit(DlmsRequest req) {
// 软件升级补发
req.setOperator(DlmsUpgradeAssisant.UPGRADE_03);
byte[] content = DlmsUpgradeAssisant.getInstance().getFtpFileContent(req);
Integer currentBlockNum = (Integer) req.getAppendParam(DlmsUpgradeAssisant.CURRENT_BLOCK_NUM);
Integer i_maxSize = (Integer) req.getAppendParam(DlmsUpgradeAssisant.MAX_SIZE);
byte[] currentBlock =
DlmsUpgradeHandler.getInstance().getCurUpgradeBlock(content, currentBlockNum, i_maxSize);
int blockCount = content.length / i_maxSize;
req.addAppendParam(DlmsUpgradeAssisant.BLOCK_COUNT, blockCount);
if (currentBlockNum == blockCount
|| content.length % i_maxSize == 0 && currentBlockNum - 1 == blockCount) {
req.addAppendParam(DlmsUpgradeAssisant.IS_TRANSFER_FINISHED, true);
}
DlmsUpgradeHandler.getInstance().blockTransferRequest(req, currentBlockNum, currentBlock);
req.addAppendParam(DlmsUpgradeAssisant.UPGRADE_CONTENT, content);
req.setOpType(DLMS_OP_TYPE.OP_ACTION);
}
/**
* 补发漏点块
*
* @param req
* @param dr
*/
@SuppressWarnings("unchecked")
private void reissueBlock(DlmsRequest dr) {
dr.setOperator(DlmsUpgradeAssisant.UPGRADE_RESSIUE);
dr.setOpType(DLMS_OP_TYPE.OP_ACTION);
int i_maxSize = (Integer) dr.getAppendParam(DlmsUpgradeAssisant.MAX_SIZE);
byte[] content = (byte[]) dr.getAppendParam(DlmsUpgradeAssisant.UPGRADE_CONTENT);
// 获得补发列表
List<Integer> reissueList = (List<Integer>) dr.getAppendParam(DlmsUpgradeAssisant.REISSUE_LIST);
// 从列表头开始发送
Integer reissueBlockNum = reissueList.remove(0);
dr.addAppendParam(DlmsUpgradeAssisant.CURRENT_RESSIUE_NUM, reissueBlockNum);
dr.addAppendParam(DlmsUpgradeAssisant.REISSUE_LIST, reissueList);
// 如果是最后一个
byte[] reissueBlock = getCurUpgradeBlock(content, reissueBlockNum, i_maxSize);
if (reissueList.size() == 0) {
dr.addAppendParam(DlmsUpgradeAssisant.IS_TRANSFER_FINISHED, true);
}
blockTransferRequest(dr, reissueBlockNum, reissueBlock);
}
/**
* 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);
}
/**
* 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);
}
/**
* 收到请求，升级处理
*
* @param req
* @return
*/
public boolean upgradeProcesser(DlmsRequest req) {
String logicAddress = "";
int measurePoint = 0;
if (req.getRelayParam() != null) {
RelayParam relayParam = req.getRelayParam();
logicAddress = relayParam.getDcLogicalAddress();
measurePoint = relayParam.getMeasurePoint();
} else {
logicAddress = req.getMeterId();
measurePoint = 0;
}
try {
List<UpgradeInfo> infos =
dbService.getUpgradeInfo(
new Long((String) req.getAppendParam(DlmsUpgradeAssisant.UPGRADE_ID)));
if (infos.size() != 1) {
log.error(
"Upgrade Request Fail:Info.size="
+ infos.size()
+ ".MeterId="
+ logicAddress
+ ".Tn="
+ measurePoint);
if (tracer.isEnabled())
tracer.trace(
"Upgrade Request Fail:Info.size="
+ infos.size()
+ ".MeterId="
+ logicAddress
+ ".Tn="
+ measurePoint);
}
req.addAppendParam(DlmsUpgradeAssisant.UPGRADE_ID, infos.get(0).getSoftUpgradeID());
UpgradeInfo info = infos.get(0);
int status = info.getStatus();
DlmsUpgradeAssisant.getInstance().addRequestAppendParams(info, req);
String fileHead = (String) req.getAppendParam(DlmsUpgradeAssisant.FILE_HEAD);
String fileType = fileHead.substring(0, 2);
// 如果是给模块升级，设置dstAddr为 0x0070
// 根据地址文件头信息获得升级状态
// req.setDestAddr(0x0070);
if ("02".equals(fileType)) { // 判断是否是对模块升级
req.setDestAddr(DlmsMessage.DstAddrToModule);
}
boolean isRessiueSuccess = true;
switch (status) {
case UpgradeInfo.WAIT_UPGRADE:
upgradeEnable(req);
break;
case UpgradeInfo.WAIT_UPGARDEINIT:
upgradeInit(req, req, (Integer) req.getAppendParam(DlmsUpgradeAssisant.MAX_SIZE));
break;
case UpgradeInfo.UPGRADE_PAUSE:
upgradeReissueInit(req);
break;
case UpgradeInfo.RESSIUE_PAUSE:
req.addAppendParam(DlmsUpgradeAssisant.IS_TRANSFER_FINISHED, false);
reissueBlock(req);
break;
case UpgradeInfo.CHECK_MAP_FAIL:
req.setOperator(DlmsUpgradeAssisant.UPGRADE_RESSIUE);
upgradeStep_04(req, req);
break;
case UpgradeInfo.READ_STATUS_FAIL:
readTransferStatus(req);
break;
case UpgradeInfo.VERFIY_FILE_FAIL:
upgradeStep_05(req, req);
break;
case UpgradeInfo.CHECK_FILE_FAIL:
upgradeStep_06(req, req);
break;
case UpgradeInfo.SET_EFFECTTIME_FAIL:
upgradeStep_07(req, req);
break;
default:
isRessiueSuccess = false;
log.error(
"Upgrade File.Status:"
+ status
+ " .MeterId="
+ logicAddress
+ " .Tn="
+ measurePoint);
break;
}
if (isRessiueSuccess) {
DlmsUpgradeAssisant.getInstance().updateUpgradeStatus(req, "01");
return true;
}
return false;
} catch (Exception e) {
// 设置升级失败
log.error("update stoped.", e);
DlmsUpgradeAssisant.getInstance().updateUpgradeInfo(req, UpgradeInfo.FAIL); // 设置为失败
DlmsUpgradeAssisant.getInstance().updateUpgradeStatus(req, "00");
return false;
}
}
/**
* 第五步:验证升级包文件，客户端通过action操作image
* transfer对象的方法3来触发表计对升级包文件进行验证，表计回复的结果可能为successs、temporary-failure或other-reason，如结果为other-reason则终止升级过程；如结果为success则表明验证成功，进入下一步；如结果为temporary-failure则延时片刻后获取image_transfer_status(读image
* transfer对象的属性6)，状态为image verification successful时表明验证成功，状态为image verification
* failed时表明验证失败，状态为image verification
* initiated时表明表计正在验证，需延时片刻再读取image_transfer_status；验证过程中表计需要计算升级包的散列值，并与image_identifier中散列值校验码或解密散列校验码密文进行比对，当不一致时，在步骤
* image_verify时表计回复 other-reason表示升级包验证失败
*
* @param req
* @param dr
*/
private void upgradeStep_05(DlmsRequest req, DlmsRequest dr) {
setRequestParam(dr, new ObisDescription(18, "0.0.44.0.0.255", 3));
dr.setOpType(DLMS_OP_TYPE.OP_ACTION);
dr.setOperator(DlmsUpgradeAssisant.UPGRADE_05);
}
/**
* 读升级状态
*
* @param dr
*/
private void readTransferStatus(DlmsRequest dr) {
setRequestParam(dr, new ObisDescription(18, "0.0.44.0.0.255", 6));
dr.setOpType(DLMS_OP_TYPE.OP_GET);
dr.setOperator(DlmsUpgradeAssisant.UPGRADE_READ_STATUS);
}