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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.api.ShellyHttpApi;
  26 import org.openhab.binding.shelly.internal.coap.ShellyCoapJSonDTO.CoIotDescrBlk;
  27 import org.openhab.binding.shelly.internal.coap.ShellyCoapJSonDTO.CoIotDescrSen;
  28 import org.openhab.binding.shelly.internal.coap.ShellyCoapJSonDTO.CoIotSensor;
  29 import org.openhab.binding.shelly.internal.handler.ShellyBaseHandler;
  30 import org.openhab.binding.shelly.internal.handler.ShellyColorUtils;
  31 import org.openhab.core.library.types.OnOffType;
  32 import org.openhab.core.library.types.OpenClosedType;
  33 import org.openhab.core.library.types.StringType;
  34 import org.openhab.core.library.unit.Units;
  35 import org.openhab.core.types.State;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 import com.google.gson.Gson;
  40 import com.google.gson.GsonBuilder;
  41 import com.google.gson.JsonSyntaxException;
  42
  43 /**
  44  * The {@link ShellyCoIoTProtocol} implements common functions for the CoIoT implementations
  45  *
  46  * @author Markus Michels - Initial contribution
  47  */
  48 @NonNullByDefault
  49 public class ShellyCoIoTProtocol {
  50     private final Logger logger = LoggerFactory.getLogger(ShellyCoIoTProtocol.class);
  51     protected final String thingName;
  52     protected final ShellyBaseHandler thingHandler;
  53     protected final ShellyDeviceProfile profile;
  54     protected final ShellyHttpApi api;
  55     protected final Map<String, CoIotDescrBlk> blkMap;
  56     protected final Map<String, CoIotDescrSen> sensorMap;
  57     private final Gson gson = new GsonBuilder().create();
  58
  59     // Due to the fact that the device reports only the current/last status, but no real events, we need to distinguish
  60     // between a real update or just a repeated status on periodic updates
  61     protected int lastCfgCount = -1;
  62     protected int[] lastEventCount = { -1, -1, -1, -1, -1, -1, -1, -1 }; // 4Pro has 4 relays, so 8 should be fine
  63     protected String[] inputEvent = { "", "", "", "", "", "", "", "" };
  64     protected String lastWakeup = "";
  65
  66     public ShellyCoIoTProtocol(String thingName, ShellyBaseHandler thingHandler, Map<String, CoIotDescrBlk> blkMap,
  67             Map<String, CoIotDescrSen> sensorMap) {
  68         this.thingName = thingName;
  69         this.thingHandler = thingHandler;
  70         this.blkMap = blkMap;
  71         this.sensorMap = sensorMap;
  72         this.profile = thingHandler.getProfile();
  73         this.api = thingHandler.getApi();
  74     }
  75
  76     protected boolean handleStatusUpdate(List<CoIotSensor> sensorUpdates, CoIotDescrSen sen, CoIotSensor s,
  77             Map<String, State> updates, ShellyColorUtils col) {
  78         // Process status information and convert into channel updates
  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                         if (s.value == 1) {
 131                             thingHandler.triggerChannel(CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_ALARM_STATE,
 132                                     EVENT_TYPE_VIBRATION);
 133                         }
 134                         break;
 135                     case "luminositylevel": // +
 136                         updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_ILLUM, getStringType(s.valueStr));
 137                         break;
 138                     case "charger": // Sense
 139                         updateChannel(updates, CHANNEL_GROUP_DEV_STATUS, CHANNEL_DEVST_CHARGER,
 140                                 s.value == 1 ? OnOffType.ON : OnOffType.OFF);
 141                         break;
 142                     // RGBW2/Bulb
 143                     case "red":
 144                         col.setRed((int) s.value);
 145                         updateChannel(updates, CHANNEL_GROUP_COLOR_CONTROL, CHANNEL_COLOR_RED,
 146                                 ShellyColorUtils.toPercent((int) s.value));
 147                         break;
 148                     case "green":
 149                         col.setGreen((int) s.value);
 150                         updateChannel(updates, CHANNEL_GROUP_COLOR_CONTROL, CHANNEL_COLOR_GREEN,
 151                                 ShellyColorUtils.toPercent((int) s.value));
 152                         break;
 153                     case "blue":
 154                         col.setBlue((int) s.value);
 155                         updateChannel(updates, CHANNEL_GROUP_COLOR_CONTROL, CHANNEL_COLOR_BLUE,
 156                                 ShellyColorUtils.toPercent((int) s.value));
 157                         break;
 158                     case "white":
 159                         col.setWhite((int) s.value);
 160                         updateChannel(updates, CHANNEL_GROUP_COLOR_CONTROL, CHANNEL_COLOR_WHITE,
 161                                 ShellyColorUtils.toPercent((int) s.value));
 162                         break;
 163                     case "gain":
 164                         col.setGain((int) s.value);
 165                         updateChannel(updates, CHANNEL_GROUP_COLOR_CONTROL, CHANNEL_COLOR_GAIN,
 166                                 ShellyColorUtils.toPercent((int) s.value, SHELLY_MIN_GAIN, SHELLY_MAX_GAIN));
 167                         break;
 168                     case "sensorerror":
 169                         updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_ERROR, getStringType(s.valueStr));
 170                         break;
 171                     default:
 172                         // Unknown
 173                         return false;
 174                 }
 175                 break;
 176
 177             default:
 178                 // Unknown type
 179                 return false;
 180         }
 181
 182         return true;
 183     }
 184
 185     public static boolean updateChannel(Map<String, State> updates, String group, String channel, State value) {
 186         updates.put(mkChannelId(group, channel), value);
 187         return true;
 188     }
 189
 190     protected void handleInput(CoIotDescrSen sen, CoIotSensor s, String rGroup, Map<String, State> updates) {
 191         int idx = getSensorNumber(sen.desc, sen.id) - 1;
 192         String iGroup = profile.getInputGroup(idx);
 193         String iChannel = CHANNEL_INPUT + profile.getInputSuffix(idx);
 194         updateChannel(updates, iGroup, iChannel, s.value == 0 ? OnOffType.OFF : OnOffType.ON);
 195     }
 196
 197     protected void handleInputEvent(CoIotDescrSen sen, String type, int count, int serial, Map<String, State> updates) {
 198         int idx = getSensorNumber(sen.desc, sen.id) - 1;
 199         String group = profile.getInputGroup(idx);
 200         if (count == -1) {
 201             // event type
 202             updateChannel(updates, group, CHANNEL_STATUS_EVENTTYPE + profile.getInputSuffix(idx), new StringType(type));
 203             inputEvent[idx] = type;
 204         } else {
 205             // event count
 206             updateChannel(updates, group, CHANNEL_STATUS_EVENTCOUNT + profile.getInputSuffix(idx), getDecimal(count));
 207             logger.trace(
 208                     "{}: Check button[{}] for event trigger (isButtonMode={}, isButton={}, hasBattery={}, serial={}, count={}, lastEventCount[{}]={}",
 209                     thingName, idx, profile.inButtonMode(idx), profile.isButton, profile.hasBattery, serial, count, idx,
 210                     lastEventCount[idx]);
 211             if (profile.inButtonMode(idx) && ((profile.hasBattery && (count == 1))
 212                     || ((lastEventCount[idx] != -1) && (count != lastEventCount[idx])))) {
 213                 if (!profile.isButton || (profile.isButton && (serial != 0x200))) { // skip duplicate on wake-up
 214                     logger.debug("{}: Trigger event {}", thingName, inputEvent[idx]);
 215                     thingHandler.triggerButton(group, idx, inputEvent[idx]);
 216                 }
 217             }
 218             lastEventCount[idx] = count;
 219         }
 220     }
 221
 222     /**
 223      *
 224      * Handles the combined updated of the brightness channel:
 225      * brightness$Switch is the OnOffType (power state)
 226      * brightness&Value is the brightness value
 227      *
 228      * @param profile Device profile, required to select the channel group and name
 229      * @param updates List of updates. updatePower will add brightness$Switch and brightness&Value if changed
 230      * @param id Sensor id from the update
 231      * @param sen Sensor description from the update
 232      * @param s New sensor value
 233      * @param allUpdatesList of updates. This is required, because we need to update both values at the same time
 234      */
 235     protected void updatePower(ShellyDeviceProfile profile, Map<String, State> updates, int id, CoIotDescrSen sen,
 236             CoIotSensor s, List<CoIotSensor> allUpdates) {
 237         String group = "";
 238         String channel = CHANNEL_BRIGHTNESS;
 239         String checkL = ""; // RGBW-white uses 4 different Power, Brightness, VSwitch values
 240         if (profile.isLight || profile.isDimmer) {
 241             if (profile.isBulb || profile.inColor) {
 242                 group = CHANNEL_GROUP_LIGHT_CONTROL;
 243                 channel = CHANNEL_LIGHT_POWER;
 244             } else if (profile.isDuo) {
 245                 group = CHANNEL_GROUP_WHITE_CONTROL;
 246             } else if (profile.isDimmer) {
 247                 group = CHANNEL_GROUP_RELAY_CONTROL;
 248             } else if (profile.isRGBW2) {
 249                 checkL = String.valueOf(id); // String.valueOf(id - 1); // id is 1-based, L is 0-based
 250                 group = CHANNEL_GROUP_LIGHT_CHANNEL + id;
 251                 logger.trace("{}: updatePower() for L={}", thingName, checkL);
 252             }
 253
 254             // We need to update brightness and on/off state at the same time to avoid "flipping brightness slider" in
 255             // the UI
 256             double brightness = -1.0;
 257             double power = -1.0;
 258             for (CoIotSensor update : allUpdates) {
 259                 CoIotDescrSen d = fixDescription(sensorMap.get(update.id), blkMap);
 260                 if (!checkL.isEmpty() && !d.links.equals(checkL)) {
 261                     // continue until we find the correct one
 262                     continue;
 263                 }
 264                 if (d.desc.equalsIgnoreCase("brightness")) {
 265                     brightness = update.value;
 266                 } else if (d.desc.equalsIgnoreCase("output") || d.desc.equalsIgnoreCase("state")) {
 267                     power = update.value;
 268                 }
 269             }
 270             if (power != -1) {
 271                 updateChannel(updates, group, channel + "$Switch", power == 1 ? OnOffType.ON : OnOffType.OFF);
 272             }
 273             if (brightness != -1) {
 274                 updateChannel(updates, group, channel + "$Value",
 275                         toQuantityType(power == 1 ? brightness : 0, DIGITS_NONE, Units.PERCENT));
 276             }
 277         } else if (profile.hasRelays) {
 278             group = profile.numRelays <= 1 ? CHANNEL_GROUP_RELAY_CONTROL : CHANNEL_GROUP_RELAY_CONTROL + id;
 279             updateChannel(updates, group, CHANNEL_OUTPUT, s.value == 1 ? OnOffType.ON : OnOffType.OFF);
 280         } else if (profile.isSensor) {
 281             // Sensor state
 282             if (profile.isDW) { // Door Window has item type Contact
 283                 updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_CONTACT,
 284                         s.value != 0 ? OpenClosedType.OPEN : OpenClosedType.CLOSED);
 285             } else {
 286                 updateChannel(updates, CHANNEL_GROUP_SENSOR, CHANNEL_SENSOR_CONTACT,
 287                         s.value == 1 ? OnOffType.ON : OnOffType.OFF);
 288             }
 289         }
 290     }
 291
 292     /**
 293      * Find index of Input id, which is required to map to channel name
 294      *
 295      * @parm sensorDesc D field from sensor update
 296      * @param sensorId The id from the sensor update
 297      * @return Index of found entry (+1 will be the suffix for the channel name) or null if sensorId is not found
 298      */
 299     protected int getSensorNumber(String sensorDesc, String sensorId) {
 300         int idx = 0;
 301         for (Map.Entry<String, CoIotDescrSen> se : sensorMap.entrySet()) {
 302             CoIotDescrSen sen = se.getValue();
 303             if (sen.desc.equalsIgnoreCase(sensorDesc)) {
 304                 idx++; // iterate from input1..2..n
 305             }
 306             if (sen.id.equalsIgnoreCase(sensorId) && blkMap.containsKey(sen.links)) {
 307                 int id = getIdFromBlk(sen);
 308                 if (id != -1) {
 309                     return id;
 310                 }
 311             }
 312             if (sen.id.equalsIgnoreCase(sensorId)) {
 313                 return idx;
 314             }
 315         }
 316         logger.debug("{}: sensorId {} not found in sensorMap!", thingName, sensorId);
 317         return -1;
 318     }
 319
 320     protected int getIdFromBlk(CoIotDescrSen sen) {
 321         int idx = -1;
 322         CoIotDescrBlk blk = blkMap.get(sen.links);
 323         if (blk != null) {
 324             String desc = blk.desc.toLowerCase();
 325             if (desc.startsWith(SHELLY_CLASS_RELAY) || desc.startsWith(SHELLY_CLASS_ROLLER)
 326                     || desc.startsWith(SHELLY_CLASS_LIGHT) || desc.startsWith(SHELLY_CLASS_EMETER)) {
 327                 if (desc.contains("_")) { // CoAP v2
 328                     idx = Integer.parseInt(substringAfter(desc, "_"));
 329                 } else { // CoAP v1
 330                     if (desc.substring(0, 5).equalsIgnoreCase(SHELLY_CLASS_RELAY)) {
 331                         idx = Integer.parseInt(substringAfter(desc, SHELLY_CLASS_RELAY));
 332                     }
 333                     if (desc.substring(0, 6).equalsIgnoreCase(SHELLY_CLASS_ROLLER)) {
 334                         idx = Integer.parseInt(substringAfter(desc, SHELLY_CLASS_ROLLER));
 335                     }
 336                     if (desc.substring(0, SHELLY_CLASS_EMETER.length()).equalsIgnoreCase(SHELLY_CLASS_EMETER)) {
 337                         idx = Integer.parseInt(substringAfter(desc, SHELLY_CLASS_EMETER));
 338                     }
 339                 }
 340                 idx = idx + 1; // make it 1-based (sen.L is 0-based)
 341             }
 342         }
 343         return idx;
 344     }
 345
 346     /**
 347      *
 348      * Get matching sensorId for updates on "External Temperature" - there might be more than 1 sensor.
 349      *
 350      * @param sensorId sensorId to map into a channel index
 351      * @return Index of the corresponding channel (e.g. 0 build temperature1, 1->temperagture2...)
 352      */
 353     protected int getExtTempId(String sensorId) {
 354         int idx = 0;
 355         for (Map.Entry<String, CoIotDescrSen> se : sensorMap.entrySet()) {
 356             CoIotDescrSen sen = se.getValue();
 357             if (sen.desc.equalsIgnoreCase("external_temperature") || sen.desc.equalsIgnoreCase("external temperature c")
 358                     || (sen.desc.equalsIgnoreCase("extTemp") && !sen.unit.equalsIgnoreCase(SHELLY_TEMP_FAHRENHEIT))) {
 359                 idx++; // iterate from temperature1..2..n
 360             }
 361             if (sen.id.equalsIgnoreCase(sensorId)) {
 362                 return idx;
 363             }
 364         }
 365         logger.debug("{}: sensorId {} not found in sensorMap!", thingName, sensorId);
 366         return -1;
 367     }
 368
 369     protected ShellyDeviceProfile getProfile() {
 370         return profile;
 371     }
 372
 373     public CoIotDescrSen fixDescription(@Nullable CoIotDescrSen sen, Map<String, CoIotDescrBlk> blkMap) {
 374         return sen != null ? sen : new CoIotDescrSen();
 375     }
 376
 377     public void completeMissingSensorDefinition(Map<String, CoIotDescrSen> sensorMap) {
 378     }
 379
 380     protected void addSensor(Map<String, CoIotDescrSen> sensorMap, String key, String json) {
 381         try {
 382             if (!sensorMap.containsKey(key)) {
 383                 CoIotDescrSen sen = gson.fromJson(json, CoIotDescrSen.class);
 384                 if (sen != null) {
 385                     sensorMap.put(key, sen);
 386                 }
 387             }
 388         } catch (JsonSyntaxException e) {
 389             // should never happen
 390             logger.trace("Unable to parse sensor definition: {}", json, e);
 391         }
 392     }
 393
 394     public String getLastWakeup() {
 395         return lastWakeup;
 396     }
 397 }