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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.echonetlite.internal;
  14
  15 import static org.openhab.binding.echonetlite.internal.EchonetLiteBindingConstants.DEFAULT_POLL_INTERVAL_MS;
  16 import static org.openhab.binding.echonetlite.internal.EchonetLiteBindingConstants.DEFAULT_RETRY_TIMEOUT_MS;
  17
  18 import java.nio.ByteBuffer;
  19 import java.util.Map;
  20 import java.util.function.Consumer;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23
  24 /**
  25  * @author Michael Barker - Initial contribution
  26  */
  27 @NonNullByDefault
  28 public class EchonetProfileNode extends EchonetObject implements EchonetDeviceListener {
  29
  30     private final Consumer<EchonetDevice> newDeviceListener;
  31     private final EchonetDiscoveryListener echonetDiscoveryListener;
  32     private long lastPollMs = 0;
  33
  34     public EchonetProfileNode(final InstanceKey instanceKey, Consumer<EchonetDevice> newDeviceListener,
  35             EchonetDiscoveryListener echonetDiscoveryListener) {
  36         super(instanceKey, Epc.NodeProfile.SELF_NODE_INSTANCE_LIST_S);
  37         this.newDeviceListener = newDeviceListener;
  38         this.echonetDiscoveryListener = echonetDiscoveryListener;
  39         setTimeouts(DEFAULT_POLL_INTERVAL_MS, DEFAULT_RETRY_TIMEOUT_MS);
  40     }
  41
  42     @Override
  43     public void applyProperty(InstanceKey sourceInstanceKey, Esv esv, int epcCode, int pdc, ByteBuffer edt) {
  44         final Epc epc = Epc.lookup(instanceKey().klass.groupCode(), instanceKey().klass.classCode(), epcCode);
  45
  46         if (EchonetClass.NODE_PROFILE == sourceInstanceKey.klass && Epc.NodeProfile.SELF_NODE_INSTANCE_LIST_S == epc) {
  47             final int selfNodeInstanceCount = edt.get() & 0xFF;
  48
  49             for (int i = 0; i < selfNodeInstanceCount && edt.hasRemaining(); i++) {
  50                 final byte groupCode = edt.get();
  51                 final byte classCode = edt.get();
  52                 final byte instance = edt.get();
  53                 final EchonetClass itemClass = EchonetClassIndex.INSTANCE.lookup(groupCode, classCode);
  54
  55                 final InstanceKey newItemKey = new InstanceKey(sourceInstanceKey.address, itemClass, instance);
  56                 final EchonetDevice discoveredDevice = new EchonetDevice(newItemKey, this);
  57                 discoveredDevice.setTimeouts(DEFAULT_POLL_INTERVAL_MS, DEFAULT_RETRY_TIMEOUT_MS);
  58                 newDeviceListener.accept(discoveredDevice);
  59             }
  60         }
  61     }
  62
  63     @Override
  64     public boolean buildPollMessage(EchonetMessageBuilder messageBuilder, ShortSupplier tidSupplier, long nowMs,
  65             InstanceKey managementControllerKey) {
  66         boolean result = false;
  67         if (lastPollMs + pollIntervalMs <= nowMs) {
  68             result = super.buildPollMessage(messageBuilder, tidSupplier, nowMs, managementControllerKey);
  69
  70             if (result) {
  71                 lastPollMs = nowMs;
  72             }
  73         }
  74
  75         return result;
  76     }
  77
  78     @Override
  79     public void onInitialised(String identifier, InstanceKey instanceKey, Map<String, String> channelIdAndType) {
  80         echonetDiscoveryListener.onDeviceFound(identifier, instanceKey);
  81     }
  82 }