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   1 /**
   2  * Copyright (c) 2010-2021 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.insteon.internal.handler;
  14
  15 import java.util.ArrayList;
  16 import java.util.Collections;
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.concurrent.ConcurrentHashMap;
  20 import java.util.concurrent.ScheduledFuture;
  21 import java.util.concurrent.TimeUnit;
  22
  23 import org.eclipse.jdt.annotation.NonNullByDefault;
  24 import org.eclipse.jdt.annotation.Nullable;
  25 import org.openhab.binding.insteon.internal.InsteonBinding;
  26 import org.openhab.binding.insteon.internal.config.InsteonNetworkConfiguration;
  27 import org.openhab.binding.insteon.internal.discovery.InsteonDeviceDiscoveryService;
  28 import org.openhab.core.io.console.Console;
  29 import org.openhab.core.io.transport.serial.SerialPortManager;
  30 import org.openhab.core.thing.Bridge;
  31 import org.openhab.core.thing.ChannelUID;
  32 import org.openhab.core.thing.ThingStatus;
  33 import org.openhab.core.thing.ThingStatusDetail;
  34 import org.openhab.core.thing.ThingUID;
  35 import org.openhab.core.thing.binding.BaseBridgeHandler;
  36 import org.openhab.core.types.Command;
  37 import org.openhab.core.types.State;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 /**
  42  * The {@link InsteonNetworkHandler} is responsible for handling commands, which are
  43  * sent to one of the channels.
  44  *
  45  * @author Rob Nielsen - Initial contribution
  46  */
  47 @NonNullByDefault
  48 public class InsteonNetworkHandler extends BaseBridgeHandler {
  49     private static final int LOG_DEVICE_STATISTICS_DELAY_IN_SECONDS = 600;
  50     private static final int RETRY_DELAY_IN_SECONDS = 30;
  51     private static final int SETTLE_TIME_IN_SECONDS = 5;
  52
  53     private final Logger logger = LoggerFactory.getLogger(InsteonNetworkHandler.class);
  54
  55     private @Nullable InsteonBinding insteonBinding;
  56     private @Nullable InsteonDeviceDiscoveryService insteonDeviceDiscoveryService;
  57     private @Nullable ScheduledFuture<?> pollingJob = null;
  58     private @Nullable ScheduledFuture<?> reconnectJob = null;
  59     private @Nullable ScheduledFuture<?> settleJob = null;
  60     private long lastInsteonDeviceCreatedTimestamp = 0;
  61     private @Nullable SerialPortManager serialPortManager;
  62     private Map<String, String> deviceInfo = new ConcurrentHashMap<>();
  63     private Map<String, String> channelInfo = new ConcurrentHashMap<>();
  64
  65     public static ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
  66
  67     public InsteonNetworkHandler(Bridge bridge, @Nullable SerialPortManager serialPortManager) {
  68         super(bridge);
  69         this.serialPortManager = serialPortManager;
  70     }
  71
  72     @Override
  73     public void handleCommand(ChannelUID channelUID, Command command) {
  74     }
  75
  76     @Override
  77     public void initialize() {
  78         logger.debug("Starting Insteon bridge");
  79         InsteonNetworkConfiguration config = getConfigAs(InsteonNetworkConfiguration.class);
  80
  81         scheduler.execute(() -> {
  82             SerialPortManager serialPortManager = this.serialPortManager;
  83             if (serialPortManager == null) {
  84                 String msg = "Initialization failed, serial port manager is null.";
  85                 logger.warn(msg);
  86
  87                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
  88
  89                 return;
  90             }
  91             insteonBinding = new InsteonBinding(this, config, serialPortManager, scheduler);
  92             updateStatus(ThingStatus.UNKNOWN);
  93
  94             // hold off on starting to poll until devices that already are defined as things are added.
  95             // wait SETTLE_TIME_IN_SECONDS to start then check every second afterwards until it has been at
  96             // least SETTLE_TIME_IN_SECONDS since last device was created.
  97             settleJob = scheduler.scheduleWithFixedDelay(() -> {
  98                 // check to see if it has been at least SETTLE_TIME_IN_SECONDS since last device was created
  99                 if (System.currentTimeMillis() - lastInsteonDeviceCreatedTimestamp > SETTLE_TIME_IN_SECONDS * 1000) {
 100                     // settle time has expired start polling
 101                     InsteonBinding insteonBinding = this.insteonBinding;
 102                     if (insteonBinding != null && insteonBinding.startPolling()) {
 103                         pollingJob = scheduler.scheduleWithFixedDelay(() -> {
 104                             insteonBinding.logDeviceStatistics();
 105                         }, 0, LOG_DEVICE_STATISTICS_DELAY_IN_SECONDS, TimeUnit.SECONDS);
 106
 107                         insteonBinding.setIsActive(true);
 108
 109                         updateStatus(ThingStatus.ONLINE);
 110                     } else {
 111                         String msg = "Initialization failed, unable to start the Insteon bridge with the port '"
 112                                 + config.getPort() + "'.";
 113                         logger.warn(msg);
 114
 115                         updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
 116                     }
 117
 118                     ScheduledFuture<?> settleJob = this.settleJob;
 119                     if (settleJob != null) {
 120                         settleJob.cancel(false);
 121                     }
 122                     this.settleJob = null;
 123                 }
 124             }, SETTLE_TIME_IN_SECONDS, 1, TimeUnit.SECONDS);
 125         });
 126     }
 127
 128     @Override
 129     public void dispose() {
 130         logger.debug("Shutting down Insteon bridge");
 131
 132         ScheduledFuture<?> pollingJob = this.pollingJob;
 133         if (pollingJob != null) {
 134             pollingJob.cancel(true);
 135             this.pollingJob = null;
 136         }
 137
 138         ScheduledFuture<?> reconnectJob = this.reconnectJob;
 139         if (reconnectJob != null) {
 140             reconnectJob.cancel(true);
 141             this.reconnectJob = null;
 142         }
 143
 144         ScheduledFuture<?> settleJob = this.settleJob;
 145         if (settleJob != null) {
 146             settleJob.cancel(true);
 147             this.settleJob = null;
 148         }
 149
 150         InsteonBinding insteonBinding = this.insteonBinding;
 151         if (insteonBinding != null) {
 152             insteonBinding.shutdown();
 153             this.insteonBinding = null;
 154         }
 155
 156         deviceInfo.clear();
 157         channelInfo.clear();
 158
 159         super.dispose();
 160     }
 161
 162     @Override
 163     public void updateState(ChannelUID channelUID, State state) {
 164         super.updateState(channelUID, state);
 165     }
 166
 167     public void bindingDisconnected() {
 168         reconnectJob = scheduler.scheduleWithFixedDelay(() -> {
 169             InsteonBinding insteonBinding = this.insteonBinding;
 170             if (insteonBinding != null && insteonBinding.reconnect()) {
 171                 updateStatus(ThingStatus.ONLINE);
 172                 ScheduledFuture<?> reconnectJob = this.reconnectJob;
 173                 if (reconnectJob != null) {
 174                     reconnectJob.cancel(false);
 175                 }
 176                 this.reconnectJob = null;
 177             } else {
 178                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, "Port disconnected.");
 179             }
 180         }, 0, RETRY_DELAY_IN_SECONDS, TimeUnit.SECONDS);
 181     }
 182
 183     public void insteonDeviceWasCreated() {
 184         lastInsteonDeviceCreatedTimestamp = System.currentTimeMillis();
 185     }
 186
 187     public InsteonBinding getInsteonBinding() {
 188         InsteonBinding insteonBinding = this.insteonBinding;
 189         if (insteonBinding != null) {
 190             return insteonBinding;
 191         } else {
 192             throw new IllegalArgumentException("insteon binding is null");
 193         }
 194     }
 195
 196     public void setInsteonDeviceDiscoveryService(InsteonDeviceDiscoveryService insteonDeviceDiscoveryService) {
 197         this.insteonDeviceDiscoveryService = insteonDeviceDiscoveryService;
 198     }
 199
 200     public void addMissingDevices(List<String> missing) {
 201         scheduler.execute(() -> {
 202             InsteonDeviceDiscoveryService insteonDeviceDiscoveryService = this.insteonDeviceDiscoveryService;
 203             if (insteonDeviceDiscoveryService != null) {
 204                 insteonDeviceDiscoveryService.addInsteonDevices(missing, getThing().getUID());
 205             }
 206         });
 207     }
 208
 209     public void displayDevices(Console console) {
 210         display(console, deviceInfo);
 211     }
 212
 213     public void displayChannels(Console console) {
 214         display(console, channelInfo);
 215     }
 216
 217     public void displayLocalDatabase(Console console) {
 218         InsteonBinding insteonBinding = this.insteonBinding;
 219         if (insteonBinding != null) {
 220             Map<String, String> databaseInfo = insteonBinding.getDatabaseInfo();
 221             console.println("local database contains " + databaseInfo.size() + " entries");
 222             display(console, databaseInfo);
 223         }
 224     }
 225
 226     public void initialized(ThingUID uid, String msg) {
 227         deviceInfo.put(uid.getAsString(), msg);
 228     }
 229
 230     public void disposed(ThingUID uid) {
 231         deviceInfo.remove(uid.getAsString());
 232     }
 233
 234     public boolean isChannelLinked(ChannelUID uid) {
 235         return channelInfo.containsKey(uid.getAsString());
 236     }
 237
 238     public void linked(ChannelUID uid, String msg) {
 239         channelInfo.put(uid.getAsString(), msg);
 240     }
 241
 242     public void unlinked(ChannelUID uid) {
 243         channelInfo.remove(uid.getAsString());
 244     }
 245
 246     private void display(Console console, Map<String, String> info) {
 247         ArrayList<String> ids = new ArrayList<>(info.keySet());
 248         Collections.sort(ids);
 249         for (String id : ids) {
 250             console.println(info.get(id));
 251         }
 252     }
 253 }