Examples with DeviceSessionContext org.thingsboard.server.transport.snmp.session.DeviceSessionContext used on opensource projects

Example 1 with DeviceSessionContext

use of org.thingsboard.server.transport.snmp.session.DeviceSessionContext in project thingsboard by thingsboard.

the class SnmpTransportContext method establishDeviceSession.

private void establishDeviceSession(Device device) {
    if (device == null)
        return;
    log.info("Establishing SNMP session for device {}", device.getId());
    DeviceProfileId deviceProfileId = device.getDeviceProfileId();
    DeviceProfile deviceProfile = deviceProfileCache.get(deviceProfileId);
    DeviceCredentials credentials = protoEntityService.getDeviceCredentialsByDeviceId(device.getId());
    if (credentials.getCredentialsType() != DeviceCredentialsType.ACCESS_TOKEN) {
        log.warn("[{}] Expected credentials type is {} but found {}", device.getId(), DeviceCredentialsType.ACCESS_TOKEN, credentials.getCredentialsType());
        return;
    }
    SnmpDeviceProfileTransportConfiguration profileTransportConfiguration = (SnmpDeviceProfileTransportConfiguration) deviceProfile.getProfileData().getTransportConfiguration();
    SnmpDeviceTransportConfiguration deviceTransportConfiguration = (SnmpDeviceTransportConfiguration) device.getDeviceData().getTransportConfiguration();
    DeviceSessionContext deviceSessionContext;
    try {
        deviceSessionContext = new DeviceSessionContext(device, deviceProfile, credentials.getCredentialsId(), profileTransportConfiguration, deviceTransportConfiguration, this);
        registerSessionMsgListener(deviceSessionContext);
    } catch (Exception e) {
        log.error("Failed to establish session for SNMP device {}: {}", device.getId(), e.toString());
        return;
    }
    sessions.put(device.getId(), deviceSessionContext);
    snmpTransportService.createQueryingTasks(deviceSessionContext);
    log.info("Established SNMP device session for device {}", device.getId());
}

Example 2 with DeviceSessionContext

use of org.thingsboard.server.transport.snmp.session.DeviceSessionContext in project thingsboard by thingsboard.

the class SnmpTransportContext method onDeviceUpdatedOrCreated.

@EventListener(DeviceUpdatedEvent.class)
public void onDeviceUpdatedOrCreated(DeviceUpdatedEvent deviceUpdatedEvent) {
    Device device = deviceUpdatedEvent.getDevice();
    log.trace("Got creating or updating device event for device {}", device);
    DeviceTransportType transportType = Optional.ofNullable(device.getDeviceData().getTransportConfiguration()).map(DeviceTransportConfiguration::getType).orElse(null);
    if (!allSnmpDevicesIds.contains(device.getId())) {
        if (transportType != DeviceTransportType.SNMP) {
            return;
        }
        allSnmpDevicesIds.add(device.getId());
        if (balancingService.isManagedByCurrentTransport(device.getId().getId())) {
            establishDeviceSession(device);
        }
    } else {
        if (balancingService.isManagedByCurrentTransport(device.getId().getId())) {
            DeviceSessionContext sessionContext = sessions.get(device.getId());
            if (transportType == DeviceTransportType.SNMP) {
                if (sessionContext != null) {
                    updateDeviceSession(sessionContext, device, deviceProfileCache.get(device.getDeviceProfileId()));
                } else {
                    establishDeviceSession(device);
                }
            } else {
                log.trace("Transport type was changed to {}", transportType);
                destroyDeviceSession(sessionContext);
            }
        }
    }
}

Example 3 with DeviceSessionContext

use of org.thingsboard.server.transport.snmp.session.DeviceSessionContext in project thingsboard by thingsboard.

the class PduService method createPdu.

public PDU createPdu(DeviceSessionContext sessionContext, SnmpCommunicationConfig communicationConfig, Map<String, String> values) {
    PDU pdu = setUpPdu(sessionContext);
    pdu.setType(communicationConfig.getMethod().getCode());
    pdu.addAll(communicationConfig.getAllMappings().stream().filter(mapping -> values.isEmpty() || values.containsKey(mapping.getKey())).map(mapping -> Optional.ofNullable(values.get(mapping.getKey())).map(value -> {
        Variable variable = toSnmpVariable(value, mapping.getDataType());
        return new VariableBinding(new OID(mapping.getOid()), variable);
    }).orElseGet(() -> new VariableBinding(new OID(mapping.getOid())))).collect(Collectors.toList()));
    return pdu;
}