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   1 /**
   2  * Copyright (c) 2010-2022 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.ipcamera.internal;
  14
  15 import static org.openhab.binding.ipcamera.internal.IpCameraBindingConstants.*;
  16
  17 import java.util.List;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.ipcamera.internal.handler.IpCameraHandler;
  22 import org.openhab.core.library.types.DecimalType;
  23 import org.openhab.core.library.types.OnOffType;
  24 import org.openhab.core.library.types.PercentType;
  25 import org.openhab.core.library.types.StringType;
  26 import org.openhab.core.thing.ChannelUID;
  27 import org.openhab.core.types.Command;
  28 import org.openhab.core.types.RefreshType;
  29 import org.openhab.core.types.UnDefType;
  30
  31 import io.netty.channel.ChannelDuplexHandler;
  32 import io.netty.channel.ChannelHandlerContext;
  33 import io.netty.util.ReferenceCountUtil;
  34
  35 /**
  36  * The {@link DahuaHandler} is responsible for handling commands, which are
  37  * sent to one of the channels.
  38  *
  39  * @author Matthew Skinner - Initial contribution
  40  */
  41
  42 @NonNullByDefault
  43 public class DahuaHandler extends ChannelDuplexHandler {
  44     private IpCameraHandler ipCameraHandler;
  45     private int nvrChannel;
  46
  47     public DahuaHandler(IpCameraHandler handler, int nvrChannel) {
  48         ipCameraHandler = handler;
  49         this.nvrChannel = nvrChannel;
  50     }
  51
  52     private void processEvent(String content) {
  53         int startIndex = content.indexOf("Code=", 12) + 5;// skip --myboundary and Code=
  54         int endIndex = content.indexOf(";", startIndex + 1);
  55         if (startIndex == -1 || endIndex == -1) {
  56             ipCameraHandler.logger.debug("Code= not found in Dahua event. Content was:{}", content);
  57             return;
  58         }
  59         String code = content.substring(startIndex, endIndex);
  60         startIndex = endIndex + 8;// skip ;action=
  61         endIndex = content.indexOf(";", startIndex);
  62         if (startIndex == -1 || endIndex == -1) {
  63             ipCameraHandler.logger.debug(";action= not found in Dahua event. Content was:{}", content);
  64             return;
  65         }
  66         String action = content.substring(startIndex, endIndex);
  67         startIndex = content.indexOf(";data=", startIndex);
  68         if (startIndex > 0) {
  69             endIndex = content.lastIndexOf("}");
  70             if (endIndex > 0) {
  71                 String data = content.substring(startIndex + 6, endIndex + 1);
  72                 ipCameraHandler.setChannelState(CHANNEL_LAST_EVENT_DATA, new StringType(data));
  73             }
  74         }
  75         switch (code) {
  76             case "VideoMotion":
  77                 if ("Start".equals(action)) {
  78                     ipCameraHandler.motionDetected(CHANNEL_MOTION_ALARM);
  79                 } else if ("Stop".equals(action)) {
  80                     ipCameraHandler.noMotionDetected(CHANNEL_MOTION_ALARM);
  81                 }
  82                 break;
  83             case "TakenAwayDetection":
  84                 if ("Start".equals(action)) {
  85                     ipCameraHandler.motionDetected(CHANNEL_ITEM_TAKEN);
  86                 } else if ("Stop".equals(action)) {
  87                     ipCameraHandler.noMotionDetected(CHANNEL_ITEM_TAKEN);
  88                 }
  89                 break;
  90             case "LeftDetection":
  91                 if ("Start".equals(action)) {
  92                     ipCameraHandler.motionDetected(CHANNEL_ITEM_LEFT);
  93                 } else if ("Stop".equals(action)) {
  94                     ipCameraHandler.noMotionDetected(CHANNEL_ITEM_LEFT);
  95                 }
  96                 break;
  97             case "SmartMotionVehicle":
  98                 if ("Start".equals(action)) {
  99                     ipCameraHandler.motionDetected(CHANNEL_CAR_ALARM);
 100                 } else if ("Stop".equals(action)) {
 101                     ipCameraHandler.noMotionDetected(CHANNEL_CAR_ALARM);
 102                 }
 103                 break;
 104             case "SmartMotionHuman":
 105                 if ("Start".equals(action)) {
 106                     ipCameraHandler.motionDetected(CHANNEL_HUMAN_ALARM);
 107                 } else if ("Stop".equals(action)) {
 108                     ipCameraHandler.noMotionDetected(CHANNEL_HUMAN_ALARM);
 109                 }
 110                 break;
 111             case "CrossLineDetection":
 112                 if ("Start".equals(action)) {
 113                     ipCameraHandler.motionDetected(CHANNEL_LINE_CROSSING_ALARM);
 114                 } else if ("Stop".equals(action)) {
 115                     ipCameraHandler.noMotionDetected(CHANNEL_LINE_CROSSING_ALARM);
 116                 }
 117                 break;
 118             case "AudioAnomaly":
 119             case "AudioMutation":
 120                 if ("Start".equals(action)) {
 121                     ipCameraHandler.audioDetected();
 122                 } else if ("Stop".equals(action)) {
 123                     ipCameraHandler.noAudioDetected();
 124                 }
 125                 break;
 126             case "FaceDetection":
 127                 if ("Start".equals(action)) {
 128                     ipCameraHandler.motionDetected(CHANNEL_FACE_DETECTED);
 129                 } else if ("Stop".equals(action)) {
 130                     ipCameraHandler.noMotionDetected(CHANNEL_FACE_DETECTED);
 131                 }
 132                 break;
 133             case "ParkingDetection":
 134                 if ("Start".equals(action)) {
 135                     ipCameraHandler.setChannelState(CHANNEL_PARKING_ALARM, OnOffType.ON);
 136                 } else if ("Stop".equals(action)) {
 137                     ipCameraHandler.setChannelState(CHANNEL_PARKING_ALARM, OnOffType.OFF);
 138                 }
 139                 break;
 140             case "CrossRegionDetection":
 141                 if ("Start".equals(action)) {
 142                     ipCameraHandler.motionDetected(CHANNEL_FIELD_DETECTION_ALARM);
 143                 } else if ("Stop".equals(action)) {
 144                     ipCameraHandler.noMotionDetected(CHANNEL_FIELD_DETECTION_ALARM);
 145                 }
 146                 break;
 147             case "VideoLoss":
 148             case "VideoBlind":
 149                 if ("Start".equals(action)) {
 150                     ipCameraHandler.setChannelState(CHANNEL_TOO_DARK_ALARM, OnOffType.ON);
 151                 } else if ("Stop".equals(action)) {
 152                     ipCameraHandler.setChannelState(CHANNEL_TOO_DARK_ALARM, OnOffType.OFF);
 153                 }
 154                 break;
 155             case "VideoAbnormalDetection":
 156                 if ("Start".equals(action)) {
 157                     ipCameraHandler.setChannelState(CHANNEL_SCENE_CHANGE_ALARM, OnOffType.ON);
 158                 } else if ("Stop".equals(action)) {
 159                     ipCameraHandler.setChannelState(CHANNEL_SCENE_CHANGE_ALARM, OnOffType.OFF);
 160                 }
 161                 break;
 162             case "VideoUnFocus":
 163                 if ("Start".equals(action)) {
 164                     ipCameraHandler.setChannelState(CHANNEL_TOO_BLURRY_ALARM, OnOffType.ON);
 165                 } else if ("Stop".equals(action)) {
 166                     ipCameraHandler.setChannelState(CHANNEL_TOO_BLURRY_ALARM, OnOffType.OFF);
 167                 }
 168                 break;
 169             case "AlarmLocal":
 170                 if ("Start".equals(action)) {
 171                     if (content.contains("index=0")) {
 172                         ipCameraHandler.setChannelState(CHANNEL_EXTERNAL_ALARM_INPUT, OnOffType.ON);
 173                     } else {
 174                         ipCameraHandler.setChannelState(CHANNEL_EXTERNAL_ALARM_INPUT2, OnOffType.ON);
 175                     }
 176                 } else if ("Stop".equals(action)) {
 177                     if (content.contains("index=0")) {
 178                         ipCameraHandler.setChannelState(CHANNEL_EXTERNAL_ALARM_INPUT, OnOffType.OFF);
 179                     } else {
 180                         ipCameraHandler.setChannelState(CHANNEL_EXTERNAL_ALARM_INPUT2, OnOffType.OFF);
 181                     }
 182                 }
 183                 break;
 184             case "LensMaskOpen":
 185                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_PRIVACY_MODE, OnOffType.ON);
 186                 break;
 187             case "LensMaskClose":
 188                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_PRIVACY_MODE, OnOffType.OFF);
 189                 break;
 190             // Skip these so they are not logged.
 191             case "TimeChange":
 192             case "IntelliFrame":
 193             case "NTPAdjustTime":
 194             case "StorageChange":
 195             case "Reboot":
 196             case "NewFile":
 197             case "VideoMotionInfo":
 198             case "RtspSessionDisconnect":
 199             case "LeFunctionStatusSync":
 200             case "RecordDelete":
 201                 break;
 202             default:
 203                 ipCameraHandler.logger.debug("Unrecognised Dahua event, Code={}, action={}", code, action);
 204         }
 205     }
 206
 207     // This handles the incoming http replies back from the camera.
 208     @Override
 209     public void channelRead(@Nullable ChannelHandlerContext ctx, @Nullable Object msg) throws Exception {
 210         if (msg == null || ctx == null) {
 211             return;
 212         }
 213         try {
 214             String content = msg.toString();
 215             if (content.startsWith("--myboundary")) {
 216                 processEvent(content);
 217                 return;
 218             }
 219             ipCameraHandler.logger.trace("HTTP Result back from camera is \t:{}:", content);
 220             // determine if the motion detection is turned on or off.
 221             if (content.contains("table.MotionDetect[0].Enable=true")) {
 222                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_MOTION_ALARM, OnOffType.ON);
 223             } else if (content.contains("table.MotionDetect[" + nvrChannel + "].Enable=false")) {
 224                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_MOTION_ALARM, OnOffType.OFF);
 225             }
 226
 227             // determine if the audio alarm is turned on or off.
 228             if (content.contains("table.AudioDetect[0].MutationDetect=true")) {
 229                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_AUDIO_ALARM, OnOffType.ON);
 230             } else if (content.contains("table.AudioDetect[0].MutationDetect=false")) {
 231                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_AUDIO_ALARM, OnOffType.OFF);
 232             }
 233
 234             // Handle AudioMutationThreshold alarm
 235             if (content.contains("table.AudioDetect[0].MutationThreold=")) {
 236                 String value = ipCameraHandler.returnValueFromString(content, "table.AudioDetect[0].MutationThreold=");
 237                 ipCameraHandler.setChannelState(CHANNEL_THRESHOLD_AUDIO_ALARM, PercentType.valueOf(value));
 238             }
 239
 240             // CrossLineDetection alarm on/off
 241             if (content.contains("table.VideoAnalyseRule[0][1].Enable=true")) {
 242                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_LINE_CROSSING_ALARM, OnOffType.ON);
 243             } else if (content.contains("table.VideoAnalyseRule[0][1].Enable=false")) {
 244                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_LINE_CROSSING_ALARM, OnOffType.OFF);
 245             }
 246             // Privacy Mode on/off
 247             if (content.contains("table.LeLensMask[0].Enable=true")) {
 248                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_PRIVACY_MODE, OnOffType.ON);
 249             } else if (content.contains("table.LeLensMask[0].Enable=false")) {
 250                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_PRIVACY_MODE, OnOffType.OFF);
 251             }
 252         } finally {
 253             ReferenceCountUtil.release(msg);
 254         }
 255     }
 256
 257     // This handles the commands that come from the openHAB event bus.
 258     public void handleCommand(ChannelUID channelUID, Command command) {
 259         if (command instanceof RefreshType) {
 260             switch (channelUID.getId()) {
 261                 case CHANNEL_ENABLE_AUDIO_ALARM:
 262                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=getConfig&name=AudioDetect[0]");
 263                     return;
 264                 case CHANNEL_ENABLE_LINE_CROSSING_ALARM:
 265                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=getConfig&name=VideoAnalyseRule");
 266                     return;
 267                 case CHANNEL_ENABLE_MOTION_ALARM:
 268                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=getConfig&name=MotionDetect[0]");
 269                     return;
 270                 case CHANNEL_ENABLE_PRIVACY_MODE:
 271                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=getConfig&name=LeLensMask[0]");
 272                     return;
 273             }
 274             return;
 275         } // end of "REFRESH"
 276         switch (channelUID.getId()) {
 277             case CHANNEL_TEXT_OVERLAY:
 278                 String text = Helper.encodeSpecialChars(command.toString());
 279                 if (text.isEmpty()) {
 280                     ipCameraHandler.sendHttpGET(
 281                             "/cgi-bin/configManager.cgi?action=setConfig&VideoWidget[0].CustomTitle[1].EncodeBlend=false");
 282                 } else {
 283                     ipCameraHandler.sendHttpGET(
 284                             "/cgi-bin/configManager.cgi?action=setConfig&VideoWidget[0].CustomTitle[1].EncodeBlend=true&VideoWidget[0].CustomTitle[1].Text="
 285                                     + text);
 286                 }
 287                 return;
 288             case CHANNEL_ENABLE_LED:
 289                 ipCameraHandler.setChannelState(CHANNEL_AUTO_LED, OnOffType.OFF);
 290                 if (DecimalType.ZERO.equals(command) || OnOffType.OFF.equals(command)) {
 291                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&Lighting[0][0].Mode=Off");
 292                 } else if (OnOffType.ON.equals(command)) {
 293                     ipCameraHandler
 294                             .sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&Lighting[0][0].Mode=Manual");
 295                 } else {
 296                     ipCameraHandler.sendHttpGET(
 297                             "/cgi-bin/configManager.cgi?action=setConfig&Lighting[0][0].Mode=Manual&Lighting[0][0].MiddleLight[0].Light="
 298                                     + command.toString());
 299                 }
 300                 return;
 301             case CHANNEL_AUTO_LED:
 302                 if (OnOffType.ON.equals(command)) {
 303                     ipCameraHandler.setChannelState(CHANNEL_ENABLE_LED, UnDefType.UNDEF);
 304                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&Lighting[0][0].Mode=Auto");
 305                 }
 306                 return;
 307             case CHANNEL_THRESHOLD_AUDIO_ALARM:
 308                 int threshold = Math.round(Float.valueOf(command.toString()));
 309
 310                 if (threshold == 0) {
 311                     ipCameraHandler.sendHttpGET(
 312                             "/cgi-bin/configManager.cgi?action=setConfig&AudioDetect[0].MutationThreold=1");
 313                 } else {
 314                     ipCameraHandler.sendHttpGET(
 315                             "/cgi-bin/configManager.cgi?action=setConfig&AudioDetect[0].MutationThreold=" + threshold);
 316                 }
 317                 return;
 318             case CHANNEL_ENABLE_AUDIO_ALARM:
 319                 if (OnOffType.ON.equals(command)) {
 320                     ipCameraHandler.sendHttpGET(
 321                             "/cgi-bin/configManager.cgi?action=setConfig&AudioDetect[0].MutationDetect=true&AudioDetect[0].EventHandler.Dejitter=1");
 322                 } else {
 323                     ipCameraHandler.sendHttpGET(
 324                             "/cgi-bin/configManager.cgi?action=setConfig&AudioDetect[0].MutationDetect=false");
 325                 }
 326                 return;
 327             case CHANNEL_ENABLE_LINE_CROSSING_ALARM:
 328                 if (OnOffType.ON.equals(command)) {
 329                     ipCameraHandler.sendHttpGET(
 330                             "/cgi-bin/configManager.cgi?action=setConfig&VideoAnalyseRule[0][1].Enable=true");
 331                 } else {
 332                     ipCameraHandler.sendHttpGET(
 333                             "/cgi-bin/configManager.cgi?action=setConfig&VideoAnalyseRule[0][1].Enable=false");
 334                 }
 335                 return;
 336             case CHANNEL_ENABLE_MOTION_ALARM:
 337                 if (OnOffType.ON.equals(command)) {
 338                     ipCameraHandler.sendHttpGET(
 339                             "/cgi-bin/configManager.cgi?action=setConfig&MotionDetect[0].Enable=true&MotionDetect[0].EventHandler.Dejitter=1");
 340                 } else {
 341                     ipCameraHandler
 342                             .sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&MotionDetect[0].Enable=false");
 343                 }
 344                 return;
 345             case CHANNEL_ACTIVATE_ALARM_OUTPUT:
 346                 if (OnOffType.ON.equals(command)) {
 347                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&AlarmOut[0].Mode=1");
 348                 } else {
 349                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&AlarmOut[0].Mode=0");
 350                 }
 351                 return;
 352             case CHANNEL_ACTIVATE_ALARM_OUTPUT2:
 353                 if (OnOffType.ON.equals(command)) {
 354                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&AlarmOut[1].Mode=1");
 355                 } else {
 356                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&AlarmOut[1].Mode=0");
 357                 }
 358                 return;
 359             case CHANNEL_ENABLE_PRIVACY_MODE:
 360                 if (OnOffType.OFF.equals(command)) {
 361                     ipCameraHandler
 362                             .sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&LeLensMask[0].Enable=false");
 363                 } else if (OnOffType.ON.equals(command)) {
 364                     ipCameraHandler
 365                             .sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&LeLensMask[0].Enable=true");
 366                 }
 367                 return;
 368         }
 369     }
 370
 371     // If a camera does not need to poll a request as often as snapshots, it can be
 372     // added here. Binding steps through the list.
 373     public List<String> getLowPriorityRequests() {
 374         return List.of();
 375     }
 376 }