nickAS21
5 years ago
12 changed files with 347 additions and 122 deletions
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/** |
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* Copyright © 2016-2022 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.transport.lwm2m.client; |
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import lombok.extern.slf4j.Slf4j; |
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import org.eclipse.leshan.client.resource.BaseInstanceEnabler; |
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import org.eclipse.leshan.client.resource.LwM2mInstanceEnabler; |
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import org.eclipse.leshan.client.servers.ServerIdentity; |
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import org.eclipse.leshan.core.model.ObjectModel; |
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import org.eclipse.leshan.core.model.ResourceModel.Type; |
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import org.eclipse.leshan.core.node.LwM2mResource; |
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import org.eclipse.leshan.core.request.BindingMode; |
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import org.eclipse.leshan.core.response.ExecuteResponse; |
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import org.eclipse.leshan.core.response.ReadResponse; |
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import org.eclipse.leshan.core.response.WriteResponse; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import java.util.Arrays; |
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import java.util.EnumSet; |
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import java.util.List; |
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import java.util.Objects; |
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/** |
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* A simple {@link LwM2mInstanceEnabler} for the Server (1) object. |
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*/ |
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@Slf4j |
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public class Lwm2mServer extends BaseInstanceEnabler { |
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private static final Logger LOG = LoggerFactory.getLogger(Lwm2mServer.class); |
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private final static List<Integer> supportedResources = Arrays.asList(0, 1, 2, 3, 6, 7, 8, 22); |
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private int shortServerId; |
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private long lifetime; |
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private Long defaultMinPeriod; |
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private Long defaultMaxPeriod; |
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private EnumSet<BindingMode> binding; |
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private BindingMode preferredTransport; |
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private boolean notifyWhenDisable; |
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public Lwm2mServer() { |
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// should only be used at bootstrap time
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} |
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public Lwm2mServer(int shortServerId, long lifetime, EnumSet<BindingMode> binding, boolean notifyWhenDisable, |
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BindingMode preferredTransport) { |
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this.shortServerId = shortServerId; |
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this.lifetime = lifetime; |
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this.binding = binding; |
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this.notifyWhenDisable = notifyWhenDisable; |
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this.preferredTransport = preferredTransport; |
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} |
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public Lwm2mServer(int shortServerId, long lifetime) { |
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this(shortServerId, lifetime, EnumSet.of(BindingMode.U), false, BindingMode.U); |
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} |
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@Override |
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public ReadResponse read(ServerIdentity identity, int resourceid) { |
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if (!identity.isSystem()) |
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LOG.debug("Read on Server resource /{}/{}/{}", getModel().id, getId(), resourceid); |
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switch (resourceid) { |
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case 0: // short server ID
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return ReadResponse.success(resourceid, shortServerId); |
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case 1: // lifetime
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return ReadResponse.success(resourceid, lifetime); |
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case 2: // default min period
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if (null == defaultMinPeriod) |
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return ReadResponse.notFound(); |
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return ReadResponse.success(resourceid, defaultMinPeriod); |
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case 3: // default max period
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if (null == defaultMaxPeriod) |
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return ReadResponse.notFound(); |
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return ReadResponse.success(resourceid, defaultMaxPeriod); |
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case 6: // notification storing when disable or offline
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return ReadResponse.success(resourceid, notifyWhenDisable); |
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case 7: // binding
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return ReadResponse.success(resourceid, BindingMode.toString(binding)); |
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case 22: // preferred transport
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if (preferredTransport == null) |
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return ReadResponse.notFound(); |
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return ReadResponse.success(resourceid, preferredTransport.toString()); |
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default: |
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return super.read(identity, resourceid); |
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} |
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} |
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@Override |
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public WriteResponse write(ServerIdentity identity, boolean replace, int resourceid, LwM2mResource value) { |
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if (!identity.isSystem()) |
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log.debug("Write on Server resource /{}/{}/{}", getModel().id, getId(), resourceid); |
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switch (resourceid) { |
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case 0: |
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if (value.getType() != Type.INTEGER) { |
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return WriteResponse.badRequest("invalid type"); |
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} |
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int previousShortServerId = shortServerId; |
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shortServerId = ((Long) value.getValue()).intValue(); |
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if (previousShortServerId != shortServerId) |
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fireResourceChange(resourceid); |
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return WriteResponse.success(); |
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case 1: |
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if (value.getType() != Type.INTEGER) { |
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return WriteResponse.badRequest("invalid type"); |
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} |
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long previousLifetime = lifetime; |
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lifetime = (Long) value.getValue(); |
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if (previousLifetime != lifetime) |
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fireResourceChange(resourceid); |
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return WriteResponse.success(); |
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case 2: |
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if (value.getType() != Type.INTEGER) { |
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return WriteResponse.badRequest("invalid type"); |
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} |
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Long previousDefaultMinPeriod = defaultMinPeriod; |
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defaultMinPeriod = (Long) value.getValue(); |
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if (!Objects.equals(previousDefaultMinPeriod, defaultMinPeriod)) |
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fireResourceChange(resourceid); |
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return WriteResponse.success(); |
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case 3: |
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if (value.getType() != Type.INTEGER) { |
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return WriteResponse.badRequest("invalid type"); |
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} |
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Long previousDefaultMaxPeriod = defaultMaxPeriod; |
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defaultMaxPeriod = (Long) value.getValue(); |
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if (!Objects.equals(previousDefaultMaxPeriod, defaultMaxPeriod)) |
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fireResourceChange(resourceid); |
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return WriteResponse.success(); |
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case 6: // notification storing when disable or offline
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if (value.getType() != Type.BOOLEAN) { |
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return WriteResponse.badRequest("invalid type"); |
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} |
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boolean previousNotifyWhenDisable = notifyWhenDisable; |
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notifyWhenDisable = (boolean) value.getValue(); |
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if (previousNotifyWhenDisable != notifyWhenDisable) |
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fireResourceChange(resourceid); |
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return WriteResponse.success(); |
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case 7: // binding
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if (value.getType() != Type.STRING) { |
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return WriteResponse.badRequest("invalid type"); |
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} |
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try { |
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EnumSet<BindingMode> previousBinding = binding; |
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binding = BindingMode.parse((String) value.getValue()); |
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if (!Objects.equals(previousBinding, binding)) |
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fireResourceChange(resourceid); |
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return WriteResponse.success(); |
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} catch (IllegalArgumentException e) { |
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return WriteResponse.badRequest("invalid value"); |
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} |
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case 22: // preferredTransport
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if (value.getType() != Type.STRING) { |
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return WriteResponse.badRequest("invalid type"); |
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} |
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try { |
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BindingMode previousPreferedTransport = preferredTransport; |
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preferredTransport = BindingMode.valueOf((String) value.getValue()); |
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if (!Objects.equals(previousPreferedTransport, preferredTransport)) |
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fireResourceChange(resourceid); |
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return WriteResponse.success(); |
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} catch (IllegalArgumentException e) { |
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return WriteResponse.badRequest("invalid value"); |
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} |
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default: |
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return super.write(identity, replace, resourceid, value); |
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} |
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} |
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@Override |
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public ExecuteResponse execute(ServerIdentity identity, int resourceid, String params) { |
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log.info("Execute on Server resource /{}/{}/{}", getModel().id, getId(), resourceid); |
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if (resourceid == 8) { |
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getLwM2mClient().triggerRegistrationUpdate(identity); |
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return ExecuteResponse.success(); |
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} else if (resourceid == 9) { |
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boolean success = getLwM2mClient().triggerClientInitiatedBootstrap(true); |
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if (success) { |
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return ExecuteResponse.success(); |
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} |
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else { |
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return ExecuteResponse.badRequest("probably no bootstrap server configured"); |
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} |
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} else { |
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return super.execute(identity, resourceid, params); |
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} |
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} |
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@Override |
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public void reset(int resourceid) { |
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switch (resourceid) { |
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case 2: |
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defaultMinPeriod = null; |
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break; |
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case 3: |
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defaultMaxPeriod = null; |
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break; |
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default: |
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super.reset(resourceid); |
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} |
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} |
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@Override |
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public List<Integer> getAvailableResourceIds(ObjectModel model) { |
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return supportedResources; |
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} |
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} |
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