Examples with LwM2mResource org.eclipse.leshan.core.node.LwM2mResource used on opensource projects

Example 1 with LwM2mResource

use of org.eclipse.leshan.core.node.LwM2mResource in project leshan by eclipse.

the class ObjectEnabler method doWrite.

@Override
protected WriteResponse doWrite(ServerIdentity identity, WriteRequest request) {
    LwM2mPath path = request.getPath();
    // Manage Instance case
    LwM2mInstanceEnabler instance = instances.get(path.getObjectInstanceId());
    if (instance == null)
        return WriteResponse.notFound();
    if (path.isObjectInstance()) {
        // instance write
        Map<Integer, LwM2mResource> writeResources = ((LwM2mObjectInstance) request.getNode()).getResources();
        if (request.isReplaceRequest()) {
            // REPLACE
            // make them modifiable
            writeResources = new HashMap<>(writeResources);
            for (ResourceModel resourceModel : getObjectModel().resources.values()) {
                if (!identity.isLwm2mServer() || resourceModel.operations.isWritable()) {
                    LwM2mResource writeResource = writeResources.remove(resourceModel.id);
                    if (null != writeResource) {
                        instance.write(resourceModel.id, writeResource);
                    } else {
                        instance.reset(resourceModel.id);
                    }
                }
            }
        }
        // UPDATE and resources currently not in the model
        for (LwM2mResource resource : writeResources.values()) {
            instance.write(resource.getId(), resource);
        }
        return WriteResponse.success();
    }
    // Manage Resource case
    return instance.write(path.getResourceId(), (LwM2mResource) request.getNode());
}

Example 2 with LwM2mResource

use of org.eclipse.leshan.core.node.LwM2mResource in project leshan by eclipse.

the class ObjectEnabler method doCreate.

@Override
protected CreateResponse doCreate(CreateRequest request) {
    Integer instanceId = request.getInstanceId();
    if (instanceId == null) {
        // the client is in charge to generate the id of the new instance
        if (instances.isEmpty()) {
            instanceId = 0;
        } else {
            instanceId = Collections.max(instances.keySet()) + 1;
        }
    }
    LwM2mInstanceEnabler newInstance = instanceFactory.create(getObjectModel());
    for (LwM2mResource resource : request.getResources()) {
        newInstance.write(resource.getId(), resource);
    }
    instances.put(instanceId, newInstance);
    listenInstance(newInstance, instanceId);
    return CreateResponse.success(new LwM2mPath(request.getPath().getObjectId(), instanceId).toString());
}

Example 3 with LwM2mResource

use of org.eclipse.leshan.core.node.LwM2mResource in project leshan by eclipse.

the class ServersInfoExtractor method getInfo.

public static ServersInfo getInfo(Map<Integer, LwM2mObjectEnabler> objectEnablers) {
    LwM2mObjectEnabler securityEnabler = objectEnablers.get(SECURITY);
    LwM2mObjectEnabler serverEnabler = objectEnablers.get(SERVER);
    if (securityEnabler == null || serverEnabler == null)
        return null;
    ServersInfo infos = new ServersInfo();
    LwM2mObject securities = (LwM2mObject) securityEnabler.read(SYSTEM, new ReadRequest(SECURITY)).getContent();
    LwM2mObject servers = (LwM2mObject) serverEnabler.read(SYSTEM, new ReadRequest(SERVER)).getContent();
    for (LwM2mObjectInstance security : securities.getInstances().values()) {
        try {
            if ((boolean) security.getResource(SEC_BOOTSTRAP).getValue()) {
                if (infos.bootstrap != null) {
                    LOG.warn("There is more than one bootstrap configuration in security object.");
                } else {
                    // create bootstrap info
                    ServerInfo info = new ServerInfo();
                    LwM2mResource serverIdResource = security.getResource(SEC_SERVER_ID);
                    if (serverIdResource != null && serverIdResource.getValue() != null)
                        info.serverId = (long) serverIdResource.getValue();
                    else
                        info.serverId = 0;
                    info.serverUri = new URI((String) security.getResource(SEC_SERVER_URI).getValue());
                    info.secureMode = SecurityMode.fromCode((long) security.getResource(SEC_SECURITY_MODE).getValue());
                    infos.bootstrap = info;
                }
            } else {
                // create device management info
                DmServerInfo info = new DmServerInfo();
                info.serverUri = new URI((String) security.getResource(SEC_SERVER_URI).getValue());
                info.serverId = (long) security.getResource(SEC_SERVER_ID).getValue();
                info.secureMode = SecurityMode.fromCode((long) security.getResource(SEC_SECURITY_MODE).getValue());
                // search corresponding device management server
                for (LwM2mObjectInstance server : servers.getInstances().values()) {
                    if (info.serverId == (Long) server.getResource(SRV_SERVER_ID).getValue()) {
                        info.lifetime = (long) server.getResource(SRV_LIFETIME).getValue();
                        info.binding = BindingMode.valueOf((String) server.getResource(SRV_BINDING).getValue());
                        infos.deviceMangements.put(info.serverId, info);
                        break;
                    }
                }
            }
        } catch (URISyntaxException e) {
            LOG.error(String.format("Invalid URI %s", (String) security.getResource(SEC_SERVER_URI).getValue()), e);
        }
    }
    return infos;
}

Example 4 with LwM2mResource

use of org.eclipse.leshan.core.node.LwM2mResource in project leshan by eclipse.

the class LwM2mNodeJsonDecoder method parseJSON.

private static List<TimestampedLwM2mNode> parseJSON(JsonRootObject jsonObject, LwM2mPath path, LwM2mModel model, Class<? extends LwM2mNode> nodeClass) throws CodecException {
    LOG.trace("Parsing JSON content for path {}: {}", path, jsonObject);
    // Group JSON entry by time-stamp
    Map<Long, Collection<JsonArrayEntry>> jsonEntryByTimestamp = groupJsonEntryByTimestamp(jsonObject);
    // Extract baseName
    LwM2mPath baseName = extractAndValidateBaseName(jsonObject, path);
    if (baseName == null)
        // if no base name, use request path as base name
        baseName = path;
    // fill time-stamped nodes collection
    List<TimestampedLwM2mNode> timestampedNodes = new ArrayList<>();
    for (Entry<Long, Collection<JsonArrayEntry>> entryByTimestamp : jsonEntryByTimestamp.entrySet()) {
        // Group JSON entry by instance
        Map<Integer, Collection<JsonArrayEntry>> jsonEntryByInstanceId = groupJsonEntryByInstanceId(entryByTimestamp.getValue(), baseName);
        // Create lwm2m node
        LwM2mNode node;
        if (nodeClass == LwM2mObject.class) {
            Collection<LwM2mObjectInstance> instances = new ArrayList<>();
            for (Entry<Integer, Collection<JsonArrayEntry>> entryByInstanceId : jsonEntryByInstanceId.entrySet()) {
                Map<Integer, LwM2mResource> resourcesMap = extractLwM2mResources(entryByInstanceId.getValue(), baseName, model);
                instances.add(new LwM2mObjectInstance(entryByInstanceId.getKey(), resourcesMap.values()));
            }
            node = new LwM2mObject(baseName.getObjectId(), instances);
        } else if (nodeClass == LwM2mObjectInstance.class) {
            // validate we have resources for only 1 instance
            if (jsonEntryByInstanceId.size() != 1)
                throw new CodecException("One instance expected in the payload [path:%s]", path);
            // Extract resources
            Entry<Integer, Collection<JsonArrayEntry>> instanceEntry = jsonEntryByInstanceId.entrySet().iterator().next();
            Map<Integer, LwM2mResource> resourcesMap = extractLwM2mResources(instanceEntry.getValue(), baseName, model);
            // Create instance
            node = new LwM2mObjectInstance(instanceEntry.getKey(), resourcesMap.values());
        } else if (nodeClass == LwM2mResource.class) {
            // validate we have resources for only 1 instance
            if (jsonEntryByInstanceId.size() > 1)
                throw new CodecException("Only one instance expected in the payload [path:%s]", path);
            // Extract resources
            Map<Integer, LwM2mResource> resourcesMap = extractLwM2mResources(jsonEntryByInstanceId.values().iterator().next(), baseName, model);
            // validate there is only 1 resource
            if (resourcesMap.size() != 1)
                throw new CodecException("One resource should be present in the payload [path:%s]", path);
            node = resourcesMap.values().iterator().next();
        } else {
            throw new IllegalArgumentException("invalid node class: " + nodeClass);
        }
        // compute time-stamp
        Long timestamp = computeTimestamp(jsonObject.getBaseTime(), entryByTimestamp.getKey());
        // add time-stamped node
        timestampedNodes.add(new TimestampedLwM2mNode(timestamp, node));
    }
    return timestampedNodes;
}

Example 5 with LwM2mResource

use of org.eclipse.leshan.core.node.LwM2mResource in project leshan by eclipse.

the class WriteTest method can_write_replacing_object_instance.

@Test
public void can_write_replacing_object_instance() throws InterruptedException {
    // setup server object
    WriteResponse response = helper.server.send(helper.getCurrentRegistration(), new WriteRequest(1, 0, 3, 60));
    // verify result
    assertEquals(ResponseCode.CHANGED, response.getCode());
    assertNotNull(response.getCoapResponse());
    assertThat(response.getCoapResponse(), is(instanceOf(Response.class)));
    // write server object
    LwM2mResource lifetime = LwM2mSingleResource.newIntegerResource(1, 120);
    LwM2mResource defaultMinPeriod = LwM2mSingleResource.newIntegerResource(2, 10);
    LwM2mResource notificationStoring = LwM2mSingleResource.newBooleanResource(6, false);
    LwM2mResource binding = LwM2mSingleResource.newStringResource(7, "U");
    response = helper.server.send(helper.getCurrentRegistration(), new WriteRequest(Mode.REPLACE, 1, 0, lifetime, defaultMinPeriod, notificationStoring, binding));
    // verify result
    assertEquals(ResponseCode.CHANGED, response.getCode());
    assertNotNull(response.getCoapResponse());
    assertThat(response.getCoapResponse(), is(instanceOf(Response.class)));
    // read the values to check the value changed
    ReadResponse readResponse = helper.server.send(helper.getCurrentRegistration(), new ReadRequest(1, 0));
    LwM2mObjectInstance instance = (LwM2mObjectInstance) readResponse.getContent();
    assertEquals(lifetime, instance.getResource(1));
    assertEquals(defaultMinPeriod, instance.getResource(2));
    assertEquals(notificationStoring, instance.getResource(6));
    assertEquals(binding, instance.getResource(7));
    // removed not contained optional writable resource
    assertNull(instance.getResource(3));
}