Examples with ProtocolAdapterException org.opensmartgridplatform.adapter.protocol.dlms.exceptions.ProtocolAdapterException used on opensource projects

Example 56 with ProtocolAdapterException

use of org.opensmartgridplatform.adapter.protocol.dlms.exceptions.ProtocolAdapterException in project open-smart-grid-platform by OSGP.

the class MacGenerationService method calculateMac.

public byte[] calculateMac(final MessageMetadata messageMetadata, final String deviceIdentification, final FirmwareFile firmwareFile) throws ProtocolAdapterException {
    final FirmwareFileHeader header = firmwareFile.getHeader();
    this.validateHeader(header);
    final byte[] iv = this.createIV(firmwareFile);
    log.debug("Calculated IV: {}", Hex.toHexString(iv));
    final byte[] decryptedFirmwareUpdateAuthenticationKey = this.secretManagementService.getKey(messageMetadata, deviceIdentification, SecurityKeyType.G_METER_FIRMWARE_UPDATE_AUTHENTICATION);
    if (decryptedFirmwareUpdateAuthenticationKey == null || decryptedFirmwareUpdateAuthenticationKey.length == 0) {
        throw new ProtocolAdapterException(String.format("No key of type %s found for device %s", SecurityKeyType.G_METER_FIRMWARE_UPDATE_AUTHENTICATION, deviceIdentification));
    }
    final CipherParameters cipherParameters = new KeyParameter(decryptedFirmwareUpdateAuthenticationKey);
    final ParametersWithIV parameterWithIV = new ParametersWithIV(cipherParameters, iv);
    final int macSizeBits = header.getSecurityLengthInt() * 8;
    final GMac mac = new GMac(new GCMBlockCipher(new AESEngine()), macSizeBits);
    mac.init(parameterWithIV);
    final byte[] headerByteArray = firmwareFile.getHeaderByteArray();
    final byte[] firmwareImageByteArray = firmwareFile.getFirmwareImageByteArray();
    final byte[] input = ByteBuffer.allocate(headerByteArray.length + firmwareImageByteArray.length).put(headerByteArray).put(firmwareImageByteArray).array();
    mac.update(input, 0, input.length);
    final byte[] generatedMac = new byte[mac.getMacSize()];
    mac.doFinal(generatedMac, 0);
    if (header.getSecurityLengthInt() != generatedMac.length) {
        throw new ProtocolAdapterException(String.format("Unable to generate correct MAC: Defined security length in firmware header (%d) differs from length of generated MAC (%d)", header.getSecurityLengthInt(), generatedMac.length));
    }
    return generatedMac;
}

Example 57 with ProtocolAdapterException

use of org.opensmartgridplatform.adapter.protocol.dlms.exceptions.ProtocolAdapterException in project open-smart-grid-platform by OSGP.

the class GetConfigurationObjectServiceSmr5 method getConfigurationObject.

@Override
ConfigurationObjectDto getConfigurationObject(final GetResult result) throws ProtocolAdapterException {
    final DataObject resultData = result.getResultData();
    if (resultData == null || !resultData.isBitString()) {
        LOGGER.warn("Configuration object result data is not a BitString: {}", resultData);
        throw new ProtocolAdapterException("Expected bit-string data as Configuration object result data, but got: " + (resultData == null ? "null" : resultData.getType()));
    }
    LOGGER.info("SMR5 Configuration object current BitString: {}", this.dlmsHelper.getDebugInfo(resultData));
    final BitString bitString = resultData.getValue();
    final byte[] flagByteArray = bitString.getBitString();
    final List<ConfigurationFlagDto> configurationFlagDtos = this.toConfigurationFlags(flagByteArray);
    final ConfigurationFlagsDto configurationFlagsDto = new ConfigurationFlagsDto(configurationFlagDtos);
    return new ConfigurationObjectDto(configurationFlagsDto);
}

Example 58 with ProtocolAdapterException

use of org.opensmartgridplatform.adapter.protocol.dlms.exceptions.ProtocolAdapterException in project open-smart-grid-platform by OSGP.

the class ClearAlarmRegisterCommandExecutor method execute.

@Override
public AccessResultCode execute(final DlmsConnectionManager conn, final DlmsDevice device, final ClearAlarmRegisterRequestDto clearAlarmRegisterRequestDto, final MessageMetadata messageMetadata) throws ProtocolAdapterException {
    final AttributeAddress alarmRegister1AttributeAddress = this.dlmsObjectConfigService.getAttributeAddress(device, DlmsObjectType.ALARM_REGISTER_1, null);
    final AccessResultCode resultCodeAlarmRegister1 = this.executeForAlarmRegister(conn, alarmRegister1AttributeAddress);
    if (resultCodeAlarmRegister1 == null) {
        throw new ProtocolAdapterException("Error occurred for clear alarm register 1.");
    }
    if (resultCodeAlarmRegister1 != AccessResultCode.SUCCESS) {
        return resultCodeAlarmRegister1;
    }
    final Optional<AttributeAddress> optAlarmRegister2AttributeAddress = this.dlmsObjectConfigService.findAttributeAddress(device, DlmsObjectType.ALARM_REGISTER_2, null);
    if (!optAlarmRegister2AttributeAddress.isPresent()) {
        return resultCodeAlarmRegister1;
    } else {
        final AccessResultCode resultCodeAlarmRegister2 = this.executeForAlarmRegister(conn, optAlarmRegister2AttributeAddress.get());
        if (resultCodeAlarmRegister2 != null) {
            return resultCodeAlarmRegister2;
        } else {
            throw new ProtocolAdapterException("Error occurred for clear alarm register 2.");
        }
    }
}

Example 59 with ProtocolAdapterException

use of org.opensmartgridplatform.adapter.protocol.dlms.exceptions.ProtocolAdapterException in project open-smart-grid-platform by OSGP.

the class ClearMBusStatusOnAllChannelsCommandExecutor method readStatus.

private long readStatus(final DlmsConnectionManager conn, final Integer channel, final AttributeAddress attributeAddress) throws IOException, ProtocolAdapterException {
    conn.getDlmsMessageListener().setDescription("ClearMBusStatusOnAllChannels-readStatus for channel" + channel + " - read status" + JdlmsObjectToStringUtil.describeAttributes(attributeAddress));
    log.info("Reading status for M-Bus channel {} with attributeAddress: {}.", channel, attributeAddress);
    final GetResult result = conn.getConnection().get(attributeAddress);
    if (result == null) {
        throw new ProtocolAdapterException("No GetResult received while reading status for M-Bus channel " + channel + ".");
    }
    return this.parseStatusFilter(result.getResultData(), channel);
}

Example 60 with ProtocolAdapterException

use of org.opensmartgridplatform.adapter.protocol.dlms.exceptions.ProtocolAdapterException in project open-smart-grid-platform by OSGP.

the class SetAlarmNotificationsCommandExecutor method executeForAlarmFilter.

private AccessResultCode executeForAlarmFilter(final DlmsConnectionManager conn, final AttributeAddress alarmFilterAttributeAddress, final AlarmNotificationsDto alarmNotifications, final DlmsObjectType alarmRegisterDlmsObjectType) throws ProtocolAdapterException {
    try {
        final AlarmNotificationsDto alarmNotificationsOnDevice = this.retrieveCurrentAlarmNotifications(conn, alarmFilterAttributeAddress, alarmRegisterDlmsObjectType);
        LOGGER.info("Alarm Filter on device before setting notifications: {}", alarmNotificationsOnDevice);
        final Set<AlarmTypeDto> alarmTypesForRegister = this.alarmHelperService.alarmTypesForRegister(alarmRegisterDlmsObjectType);
        final Set<AlarmNotificationDto> alarmNotificationsSet = alarmNotifications.getAlarmNotificationsSet().stream().filter(alarmNotificationDto -> alarmTypesForRegister.contains(alarmNotificationDto.getAlarmType())).collect(Collectors.toSet());
        final long alarmFilterLongValueOnDevice = this.alarmFilterLongValue(alarmNotificationsOnDevice);
        final long updatedAlarmFilterLongValue = this.calculateAlarmFilterLongValue(alarmNotificationsOnDevice, alarmNotificationsSet);
        if (alarmFilterLongValueOnDevice == updatedAlarmFilterLongValue) {
            return AccessResultCode.SUCCESS;
        }
        LOGGER.info("Modified Alarm Filter long value for device: {}", updatedAlarmFilterLongValue);
        return this.writeUpdatedAlarmNotifications(conn, updatedAlarmFilterLongValue, alarmFilterAttributeAddress);
    } catch (final IOException e) {
        throw new ConnectionException(e);
    }
}