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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.shelly.internal.coap;
  14
  15 import static org.openhab.binding.shelly.internal.ShellyBindingConstants.*;
  16 import static org.openhab.binding.shelly.internal.api.ShellyApiJsonDTO.*;
  17 import static org.openhab.binding.shelly.internal.util.ShellyUtils.*;
  18
  19 import java.util.List;
  20 import java.util.Map;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.shelly.internal.api.ShellyDeviceProfile;
  25 import org.openhab.binding.shelly.internal.coap.ShellyCoapJSonDTO.CoIotDescrBlk;
  26 import org.openhab.binding.shelly.internal.coap.ShellyCoapJSonDTO.CoIotDescrSen;
  27 import org.openhab.binding.shelly.internal.coap.ShellyCoapJSonDTO.CoIotSensor;
  28 import org.openhab.binding.shelly.internal.handler.ShellyBaseHandler;
  29 import org.openhab.binding.shelly.internal.handler.ShellyColorUtils;
  30 import org.openhab.core.library.types.OnOffType;
  31 import org.openhab.core.library.types.OpenClosedType;
  32 import org.openhab.core.library.types.StringType;
  33 import org.openhab.core.library.unit.Units;
  34 import org.openhab.core.types.State;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 import com.google.gson.Gson;
  39 import com.google.gson.GsonBuilder;
  40 import com.google.gson.JsonSyntaxException;
  41
  42 /**
  43  * The {@link ShellyCoIoTProtocol} implements common functions for the CoIoT implementations
  44  *
  45  * @author Markus Michels - Initial contribution
  46  */
  47 @NonNullByDefault
  48 public class ShellyCoIoTProtocol {
  49     private final Logger logger = LoggerFactory.getLogger(ShellyCoIoTProtocol.class);
  50     protected final String thingName;
  51     protected final ShellyBaseHandler thingHandler;
  52     protected final ShellyDeviceProfile profile;
  53     protected final Map<String, CoIotDescrBlk> blkMap;
  54     protected final Map<String, CoIotDescrSen> sensorMap;
  55     private final Gson gson = new GsonBuilder().create();
  56
  57     // Due to the fact that the device reports only the current/last status, but no real events, we need to distinguish
  58     // between a real update or just a repeated status on periodic updates
  59     protected int lastCfgCount = -1;
  60     protected int[] lastEventCount = { -1, -1, -1, -1, -1, -1, -1, -1 }; // 4Pro has 4 relays, so 8 should be fine
  61     protected String[] inputEvent = { "", "", "", "", "", "", "", "" };
  62     protected String lastWakeup = "";
  63
  64     public ShellyCoIoTProtocol(String thingName, ShellyBaseHandler thingHandler, Map<String, CoIotDescrBlk> blkMap,
  65             Map<String, CoIotDescrSen> sensorMap) {
  66         this.thingName = thingName;
  67         this.thingHandler = thingHandler;
  68         this.blkMap = blkMap;
  69         this.sensorMap = sensorMap;
  70         this.profile = thingHandler.getProfile();
  71     }
  72
  73     protected boolean handleStatusUpdate(List<CoIotSensor> sensorUpdates, CoIotDescrSen sen, CoIotSensor s,
  74             Map<String, State> updates, ShellyColorUtils col) {
  75         // Process status information and convert into channel updates
  76         // Integer rIndex = Integer.parseInt(sen.links) + 1;
  77         // String rGroup = getProfile().numRelays <= 1 ? CHANNEL_GROUP_RELAY_CONTROL
  78         // : CHANNEL_GROUP_RELAY_CONTROL + rIndex;
  79         int rIndex = getIdFromBlk(sen);
  80         String rGroup = getProfile().numRelays <= 1 ? CHANNEL_GROUP_RELAY_CONTROL
  81                 : CHANNEL_GROUP_RELAY_CONTROL + rIndex;
  82
  83         switch (sen.type.toLowerCase()) {
  84             case "b": // BatteryLevel +
  85                 updateChannel(updates, CHANNEL_GROUP_BATTERY, CHANNEL_SENSOR_BAT_LEVEL,
  86                         toQuantityType(s.value, 0, Units.PERCENT));
  87                 break;
  88             case "h" /* Humidity */:
  89                 updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_HUM,
  90                         toQuantityType(s.value, DIGITS_PERCENT, Units.PERCENT));
  91                 break;
  92             case "m" /* Motion */:
  93                 updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_MOTION,
  94                         s.value == 1 ? OnOffType.ON : OnOffType.OFF);
  95                 break;
  96             case "l": // Luminosity +
  97                 updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_LUX,
  98                         toQuantityType(s.value, DIGITS_LUX, Units.LUX));
  99                 break;
 100             case "s": // CatchAll
 101                 switch (sen.desc.toLowerCase()) {
 102                     case "state": // Relay status +
 103                     case "output":
 104                         updatePower(profile, updates, rIndex, sen, s, sensorUpdates);
 105                         break;
 106                     case "input":
 107                         handleInput(sen, s, rGroup, updates);
 108                         break;
 109                     case "brightness":
 110                         // already handled by state/output
 111                         break;
 112                     case "overtemp": // ++
 113                         if (s.value == 1) {
 114                             thingHandler.postEvent(ALARM_TYPE_OVERTEMP, true);
 115                         }
 116                         break;
 117                     case "position":
 118                         // work around: Roller reports 101% instead max 100
 119                         double pos = Math.max(SHELLY_MIN_ROLLER_POS, Math.min(s.value, SHELLY_MAX_ROLLER_POS));
 120                         updateChannel(updates, CHANNEL_GROUP_ROL_CONTROL, CHANNEL_ROL_CONTROL_CONTROL,
 121                                 toQuantityType(SHELLY_MAX_ROLLER_POS - pos, Units.PERCENT));
 122                         updateChannel(updates, CHANNEL_GROUP_ROL_CONTROL, CHANNEL_ROL_CONTROL_POS,
 123                                 toQuantityType(pos, Units.PERCENT));
 124                         break;
 125                     case "flood":
 126                         updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_FLOOD,
 127                                 s.value == 1 ? OnOffType.ON : OnOffType.OFF);
 128                         break;
 129                     case "vibration": // DW with FW1.6.5+
 130                         updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_VIBRATION,
 131                                 s.value == 1 ? OnOffType.ON : OnOffType.OFF);
 132                         break;
 133                     case "luminositylevel": // +
 134                         updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_ILLUM, getStringType(s.valueStr));
 135                         break;
 136                     case "charger": // Sense
 137                         updateChannel(updates, CHANNEL_GROUP_DEV_STATUS, CHANNEL_DEVST_CHARGER,
 138                                 s.value == 1 ? OnOffType.ON : OnOffType.OFF);
 139                         break;
 140                     // RGBW2/Bulb
 141                     case "red":
 142                         col.setRed((int) s.value);
 143                         updateChannel(updates, CHANNEL_GROUP_COLOR_CONTROL, CHANNEL_COLOR_RED,
 144                                 ShellyColorUtils.toPercent((int) s.value));
 145                         break;
 146                     case "green":
 147                         col.setGreen((int) s.value);
 148                         updateChannel(updates, CHANNEL_GROUP_COLOR_CONTROL, CHANNEL_COLOR_GREEN,
 149                                 ShellyColorUtils.toPercent((int) s.value));
 150                         break;
 151                     case "blue":
 152                         col.setBlue((int) s.value);
 153                         updateChannel(updates, CHANNEL_GROUP_COLOR_CONTROL, CHANNEL_COLOR_BLUE,
 154                                 ShellyColorUtils.toPercent((int) s.value));
 155                         break;
 156                     case "white":
 157                         col.setWhite((int) s.value);
 158                         updateChannel(updates, CHANNEL_GROUP_COLOR_CONTROL, CHANNEL_COLOR_WHITE,
 159                                 ShellyColorUtils.toPercent((int) s.value));
 160                         break;
 161                     case "gain":
 162                         col.setGain((int) s.value);
 163                         updateChannel(updates, CHANNEL_GROUP_COLOR_CONTROL, CHANNEL_COLOR_GAIN,
 164                                 ShellyColorUtils.toPercent((int) s.value, SHELLY_MIN_GAIN, SHELLY_MAX_GAIN));
 165                         break;
 166                     case "sensorerror": // +
 167                         updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_ERROR, getStringType(s.valueStr));
 168                         break;
 169                     default:
 170                         // Unknown
 171                         return false;
 172                 }
 173                 break;
 174
 175             default:
 176                 // Unknown type
 177                 return false;
 178         }
 179
 180         return true;
 181     }
 182
 183     public static boolean updateChannel(Map<String, State> updates, String group, String channel, State value) {
 184         updates.put(mkChannelId(group, channel), value);
 185         return true;
 186     }
 187
 188     protected void handleInput(CoIotDescrSen sen, CoIotSensor s, String rGroup, Map<String, State> updates) {
 189         int idx = getSensorNumber(sen.desc, sen.id) - 1;
 190         String iGroup = profile.getInputGroup(idx);
 191         String iChannel = CHANNEL_INPUT + profile.getInputSuffix(idx);
 192         updateChannel(updates, iGroup, iChannel, s.value == 0 ? OnOffType.OFF : OnOffType.ON);
 193     }
 194
 195     protected void handleInputEvent(CoIotDescrSen sen, String type, int count, int serial, Map<String, State> updates) {
 196         int idx = getSensorNumber(sen.desc, sen.id) - 1;
 197         String group = profile.getInputGroup(idx);
 198         if (count == -1) {
 199             // event type
 200             updateChannel(updates, group, CHANNEL_STATUS_EVENTTYPE + profile.getInputSuffix(idx), new StringType(type));
 201             inputEvent[idx] = type;
 202         } else {
 203             // event count
 204             updateChannel(updates, group, CHANNEL_STATUS_EVENTCOUNT + profile.getInputSuffix(idx), getDecimal(count));
 205             logger.trace(
 206                     "{}: Check button[{}] for event trigger (isButtonMode={}, isButton={}, hasBattery={}, serial={}, count={}, lastEventCount[{}]={}",
 207                     thingName, idx, profile.inButtonMode(idx), profile.isButton, profile.hasBattery, serial, count, idx,
 208                     lastEventCount[idx]);
 209             if (profile.inButtonMode(idx) && ((profile.hasBattery && (count == 1))
 210                     || ((lastEventCount[idx] != -1) && (count != lastEventCount[idx])))) {
 211                 if (!profile.isButton || (profile.isButton && (serial != 0x200))) { // skip duplicate on wake-up
 212                     logger.debug("{}: Trigger event {}", thingName, inputEvent[idx]);
 213                     thingHandler.triggerButton(group, idx, inputEvent[idx]);
 214                 }
 215             }
 216             lastEventCount[idx] = count;
 217         }
 218     }
 219
 220     /**
 221      *
 222      * Handles the combined updated of the brightness channel:
 223      * brightness$Switch is the OnOffType (power state)
 224      * brightness&Value is the brightness value
 225      *
 226      * @param profile Device profile, required to select the channel group and name
 227      * @param updates List of updates. updatePower will add brightness$Switch and brightness&Value if changed
 228      * @param id Sensor id from the update
 229      * @param sen Sensor description from the update
 230      * @param s New sensor value
 231      * @param allUpdatesList of updates. This is required, because we need to update both values at the same time
 232      */
 233     protected void updatePower(ShellyDeviceProfile profile, Map<String, State> updates, int id, CoIotDescrSen sen,
 234             CoIotSensor s, List<CoIotSensor> allUpdates) {
 235         String group = "";
 236         String channel = CHANNEL_BRIGHTNESS;
 237         String checkL = ""; // RGBW-white uses 4 different Power, Brightness, VSwitch values
 238         if (profile.isLight || profile.isDimmer) {
 239             if (profile.isBulb || profile.inColor) {
 240                 group = CHANNEL_GROUP_LIGHT_CONTROL;
 241                 channel = CHANNEL_LIGHT_POWER;
 242             } else if (profile.isDuo) {
 243                 group = CHANNEL_GROUP_WHITE_CONTROL;
 244             } else if (profile.isDimmer) {
 245                 group = CHANNEL_GROUP_RELAY_CONTROL;
 246             } else if (profile.isRGBW2) {
 247                 checkL = String.valueOf(id); // String.valueOf(id - 1); // id is 1-based, L is 0-based
 248                 group = CHANNEL_GROUP_LIGHT_CHANNEL + id;
 249                 logger.trace("{}: updatePower() for L={}", thingName, checkL);
 250             }
 251
 252             // We need to update brightness and on/off state at the same time to avoid "flipping brightness slider" in
 253             // the UI
 254             double brightness = -1.0;
 255             double power = -1.0;
 256             for (CoIotSensor update : allUpdates) {
 257                 CoIotDescrSen d = fixDescription(sensorMap.get(update.id), blkMap);
 258                 if (!checkL.isEmpty() && !d.links.equals(checkL)) {
 259                     // continue until we find the correct one
 260                     continue;
 261                 }
 262                 if (d.desc.equalsIgnoreCase("brightness")) {
 263                     brightness = update.value;
 264                 } else if (d.desc.equalsIgnoreCase("output") || d.desc.equalsIgnoreCase("state")) {
 265                     power = update.value;
 266                 }
 267             }
 268             if (power != -1) {
 269                 updateChannel(updates, group, channel + "$Switch", power == 1 ? OnOffType.ON : OnOffType.OFF);
 270             }
 271             if (brightness != -1) {
 272                 updateChannel(updates, group, channel + "$Value",
 273                         toQuantityType(power == 1 ? brightness : 0, DIGITS_NONE, Units.PERCENT));
 274             }
 275         } else if (profile.hasRelays) {
 276             group = profile.numRelays <= 1 ? CHANNEL_GROUP_RELAY_CONTROL : CHANNEL_GROUP_RELAY_CONTROL + id;
 277             updateChannel(updates, group, CHANNEL_OUTPUT, s.value == 1 ? OnOffType.ON : OnOffType.OFF);
 278         } else if (profile.isSensor) {
 279             // Sensor state
 280             if (profile.isDW) { // Door Window has item type Contact
 281                 updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_CONTACT,
 282                         s.value != 0 ? OpenClosedType.OPEN : OpenClosedType.CLOSED);
 283             } else {
 284                 updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_CONTACT,
 285                         s.value == 1 ? OnOffType.ON : OnOffType.OFF);
 286             }
 287         }
 288     }
 289
 290     /**
 291      * Find index of Input id, which is required to map to channel name
 292      *
 293      * @parm sensorDesc D field from sensor update
 294      * @param sensorId The id from the sensor update
 295      * @return Index of found entry (+1 will be the suffix for the channel name) or null if sensorId is not found
 296      */
 297     protected int getSensorNumber(String sensorDesc, String sensorId) {
 298         int idx = 0;
 299         for (Map.Entry<String, CoIotDescrSen> se : sensorMap.entrySet()) {
 300             CoIotDescrSen sen = se.getValue();
 301             if (sen.desc.equalsIgnoreCase(sensorDesc)) {
 302                 idx++; // iterate from input1..2..n
 303             }
 304             if (sen.id.equalsIgnoreCase(sensorId) && blkMap.containsKey(sen.links)) {
 305                 int id = getIdFromBlk(sen);
 306                 if (id != -1) {
 307                     return id;
 308                 }
 309             }
 310             if (sen.id.equalsIgnoreCase(sensorId)) {
 311                 return idx;
 312             }
 313         }
 314         logger.debug("{}: sensorId {} not found in sensorMap!", thingName, sensorId);
 315         return -1;
 316     }
 317
 318     protected int getIdFromBlk(CoIotDescrSen sen) {
 319         int idx = -1;
 320         CoIotDescrBlk blk = blkMap.get(sen.links);
 321         if (blk != null) {
 322             String desc = blk.desc.toLowerCase();
 323             if (desc.startsWith(SHELLY_CLASS_RELAY) || desc.startsWith(SHELLY_CLASS_ROLLER)
 324                     || desc.startsWith(SHELLY_CLASS_LIGHT) || desc.startsWith(SHELLY_CLASS_EMETER)) {
 325                 if (desc.contains("_")) { // CoAP v2
 326                     idx = Integer.parseInt(substringAfter(desc, "_"));
 327                 } else { // CoAP v1
 328                     if (desc.substring(0, 5).equalsIgnoreCase(SHELLY_CLASS_RELAY)) {
 329                         idx = Integer.parseInt(substringAfter(desc, SHELLY_CLASS_RELAY));
 330                     }
 331                     if (desc.substring(0, 6).equalsIgnoreCase(SHELLY_CLASS_ROLLER)) {
 332                         idx = Integer.parseInt(substringAfter(desc, SHELLY_CLASS_ROLLER));
 333                     }
 334                     if (desc.substring(0, SHELLY_CLASS_EMETER.length()).equalsIgnoreCase(SHELLY_CLASS_EMETER)) {
 335                         idx = Integer.parseInt(substringAfter(desc, SHELLY_CLASS_EMETER));
 336                     }
 337                 }
 338                 idx = idx + 1; // make it 1-based (sen.L is 0-based)
 339             }
 340         }
 341         return idx;
 342     }
 343
 344     /**
 345      *
 346      * Get matching sensorId for updates on "External Temperature" - there might be more than 1 sensor.
 347      *
 348      * @param sensorId sensorId to map into a channel index
 349      * @return Index of the corresponding channel (e.g. 0 build temperature1, 1->temperagture2...)
 350      */
 351     protected int getExtTempId(String sensorId) {
 352         int idx = 0;
 353         for (Map.Entry<String, CoIotDescrSen> se : sensorMap.entrySet()) {
 354             CoIotDescrSen sen = se.getValue();
 355             if (sen.desc.equalsIgnoreCase("external_temperature") || sen.desc.equalsIgnoreCase("external temperature c")
 356                     || (sen.desc.equalsIgnoreCase("extTemp") && !sen.unit.equalsIgnoreCase(SHELLY_TEMP_FAHRENHEIT))) {
 357                 idx++; // iterate from temperature1..2..n
 358             }
 359             if (sen.id.equalsIgnoreCase(sensorId)) {
 360                 return idx;
 361             }
 362         }
 363         logger.debug("{}: sensorId {} not found in sensorMap!", thingName, sensorId);
 364         return -1;
 365     }
 366
 367     protected ShellyDeviceProfile getProfile() {
 368         return profile;
 369     }
 370
 371     public CoIotDescrSen fixDescription(@Nullable CoIotDescrSen sen, Map<String, CoIotDescrBlk> blkMap) {
 372         return sen != null ? sen : new CoIotDescrSen();
 373     }
 374
 375     public void completeMissingSensorDefinition(Map<String, CoIotDescrSen> sensorMap) {
 376     }
 377
 378     protected void addSensor(Map<String, CoIotDescrSen> sensorMap, String key, String json) {
 379         try {
 380             if (!sensorMap.containsKey(key)) {
 381                 CoIotDescrSen sen = gson.fromJson(json, CoIotDescrSen.class);
 382                 if (sen != null) {
 383                     sensorMap.put(key, sen);
 384                 }
 385             }
 386         } catch (JsonSyntaxException e) {
 387             // should never happen
 388             logger.trace("Unable to parse sensor definition: {}", json, e);
 389         }
 390     }
 391
 392     public String getLastWakeup() {
 393         return lastWakeup;
 394     }
 395 }