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   1 /**
   2  * Copyright (c) 2010-2020 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
  14 package org.openhab.binding.ipcamera.internal;
  15
  16 import static org.openhab.binding.ipcamera.internal.IpCameraBindingConstants.*;
  17
  18 import java.util.ArrayList;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.ipcamera.internal.IpCameraBindingConstants.FFmpegFormat;
  23 import org.openhab.binding.ipcamera.internal.handler.IpCameraHandler;
  24 import org.openhab.core.library.types.DecimalType;
  25 import org.openhab.core.library.types.OnOffType;
  26 import org.openhab.core.library.types.PercentType;
  27 import org.openhab.core.thing.ChannelUID;
  28 import org.openhab.core.thing.binding.ThingHandler;
  29 import org.openhab.core.types.Command;
  30 import org.openhab.core.types.RefreshType;
  31 import org.openhab.core.types.UnDefType;
  32
  33 import io.netty.channel.ChannelDuplexHandler;
  34 import io.netty.channel.ChannelHandlerContext;
  35 import io.netty.util.ReferenceCountUtil;
  36
  37 /**
  38  * The {@link AmcrestHandler} is responsible for handling commands, which are
  39  * sent to one of the channels.
  40  *
  41  * @author Matthew Skinner - Initial contribution
  42  */
  43
  44 @NonNullByDefault
  45 public class AmcrestHandler extends ChannelDuplexHandler {
  46     private String requestUrl = "Empty";
  47     private IpCameraHandler ipCameraHandler;
  48
  49     public AmcrestHandler(ThingHandler handler) {
  50         ipCameraHandler = (IpCameraHandler) handler;
  51     }
  52
  53     public void setURL(String url) {
  54         requestUrl = url;
  55     }
  56
  57     // This handles the incoming http replies back from the camera.
  58     @Override
  59     public void channelRead(@Nullable ChannelHandlerContext ctx, @Nullable Object msg) throws Exception {
  60         if (msg == null || ctx == null) {
  61             return;
  62         }
  63         try {
  64             String content = msg.toString();
  65
  66             if (!content.isEmpty()) {
  67                 ipCameraHandler.logger.trace("HTTP Result back from camera is \t:{}:", content);
  68             }
  69             if (content.contains("Error: No Events")) {
  70                 if ("/cgi-bin/eventManager.cgi?action=getEventIndexes&code=VideoMotion".equals(requestUrl)) {
  71                     ipCameraHandler.noMotionDetected(CHANNEL_MOTION_ALARM);
  72                 } else if ("/cgi-bin/eventManager.cgi?action=getEventIndexes&code=AudioMutation".equals(requestUrl)) {
  73                     ipCameraHandler.noAudioDetected();
  74                 }
  75             } else if (content.contains("channels[0]=0")) {
  76                 if ("/cgi-bin/eventManager.cgi?action=getEventIndexes&code=VideoMotion".equals(requestUrl)) {
  77                     ipCameraHandler.motionDetected(CHANNEL_MOTION_ALARM);
  78                 } else if ("/cgi-bin/eventManager.cgi?action=getEventIndexes&code=AudioMutation".equals(requestUrl)) {
  79                     ipCameraHandler.audioDetected();
  80                 }
  81             }
  82
  83             if (content.contains("table.MotionDetect[0].Enable=false")) {
  84                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_MOTION_ALARM, OnOffType.OFF);
  85             } else if (content.contains("table.MotionDetect[0].Enable=true")) {
  86                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_MOTION_ALARM, OnOffType.ON);
  87             }
  88             // determine if the audio alarm is turned on or off.
  89             if (content.contains("table.AudioDetect[0].MutationDetect=true")) {
  90                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_AUDIO_ALARM, OnOffType.ON);
  91             } else if (content.contains("table.AudioDetect[0].MutationDetect=false")) {
  92                 ipCameraHandler.setChannelState(CHANNEL_ENABLE_AUDIO_ALARM, OnOffType.OFF);
  93             }
  94             // Handle AudioMutationThreshold alarm
  95             if (content.contains("table.AudioDetect[0].MutationThreold=")) {
  96                 String value = ipCameraHandler.returnValueFromString(content, "table.AudioDetect[0].MutationThreold=");
  97                 ipCameraHandler.setChannelState(CHANNEL_THRESHOLD_AUDIO_ALARM, PercentType.valueOf(value));
  98             }
  99
 100         } finally {
 101             ReferenceCountUtil.release(msg);
 102             ctx.close();
 103         }
 104     }
 105
 106     // This handles the commands that come from the Openhab event bus.
 107     public void handleCommand(ChannelUID channelUID, Command command) {
 108         if (command instanceof RefreshType) {
 109             switch (channelUID.getId()) {
 110                 case CHANNEL_THRESHOLD_AUDIO_ALARM:
 111                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=getConfig&name=AudioDetect[0]");
 112                     return;
 113                 case CHANNEL_ENABLE_AUDIO_ALARM:
 114                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=getConfig&name=AudioDetect[0]");
 115                     return;
 116                 case CHANNEL_ENABLE_LINE_CROSSING_ALARM:
 117                     ipCameraHandler
 118                             .sendHttpGET("/cgi-bin/configManager.cgi?action=getConfig&name=CrossLineDetection[0]");
 119                     return;
 120                 case CHANNEL_ENABLE_MOTION_ALARM:
 121                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=getConfig&name=MotionDetect[0]");
 122                     return;
 123             }
 124             return; // Return as we have handled the refresh command above and don't need to
 125                     // continue further.
 126         } // end of "REFRESH"
 127         switch (channelUID.getId()) {
 128             case CHANNEL_TEXT_OVERLAY:
 129                 String text = Helper.encodeSpecialChars(command.toString());
 130                 if (text.isEmpty()) {
 131                     ipCameraHandler.sendHttpGET(
 132                             "/cgi-bin/configManager.cgi?action=setConfig&VideoWidget[0].CustomTitle[1].EncodeBlend=false");
 133                 } else {
 134                     ipCameraHandler.sendHttpGET(
 135                             "/cgi-bin/configManager.cgi?action=setConfig&VideoWidget[0].CustomTitle[1].EncodeBlend=true&VideoWidget[0].CustomTitle[1].Text="
 136                                     + text);
 137                 }
 138                 return;
 139             case CHANNEL_ENABLE_LED:
 140                 ipCameraHandler.setChannelState(CHANNEL_AUTO_LED, OnOffType.OFF);
 141                 if (DecimalType.ZERO.equals(command) || OnOffType.OFF.equals(command)) {
 142                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&Lighting[0][0].Mode=Off");
 143                 } else if (OnOffType.ON.equals(command)) {
 144                     ipCameraHandler
 145                             .sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&Lighting[0][0].Mode=Manual");
 146                 } else {
 147                     ipCameraHandler.sendHttpGET(
 148                             "/cgi-bin/configManager.cgi?action=setConfig&Lighting[0][0].Mode=Manual&Lighting[0][0].MiddleLight[0].Light="
 149                                     + command.toString());
 150                 }
 151                 return;
 152             case CHANNEL_AUTO_LED:
 153                 if (OnOffType.ON.equals(command)) {
 154                     ipCameraHandler.setChannelState(CHANNEL_ENABLE_LED, UnDefType.UNDEF);
 155                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&Lighting[0][0].Mode=Auto");
 156                 }
 157                 return;
 158             case CHANNEL_THRESHOLD_AUDIO_ALARM:
 159                 int threshold = Math.round(Float.valueOf(command.toString()));
 160
 161                 if (threshold == 0) {
 162                     ipCameraHandler.sendHttpGET(
 163                             "/cgi-bin/configManager.cgi?action=setConfig&AudioDetect[0].MutationThreold=1");
 164                 } else {
 165                     ipCameraHandler.sendHttpGET(
 166                             "/cgi-bin/configManager.cgi?action=setConfig&AudioDetect[0].MutationThreold=" + threshold);
 167                 }
 168                 return;
 169             case CHANNEL_ENABLE_AUDIO_ALARM:
 170                 if (OnOffType.ON.equals(command)) {
 171                     ipCameraHandler.sendHttpGET(
 172                             "/cgi-bin/configManager.cgi?action=setConfig&AudioDetect[0].MutationDetect=true&AudioDetect[0].EventHandler.Dejitter=1");
 173                 } else {
 174                     ipCameraHandler.sendHttpGET(
 175                             "/cgi-bin/configManager.cgi?action=setConfig&AudioDetect[0].MutationDetect=false");
 176                 }
 177                 return;
 178             case CHANNEL_ENABLE_LINE_CROSSING_ALARM:
 179                 if (OnOffType.ON.equals(command)) {
 180                     ipCameraHandler.sendHttpGET(
 181                             "/cgi-bin/configManager.cgi?action=setConfig&VideoAnalyseRule[0][1].Enable=true");
 182                 } else {
 183                     ipCameraHandler.sendHttpGET(
 184                             "/cgi-bin/configManager.cgi?action=setConfig&VideoAnalyseRule[0][1].Enable=false");
 185                 }
 186                 return;
 187             case CHANNEL_ENABLE_MOTION_ALARM:
 188                 if (OnOffType.ON.equals(command)) {
 189                     ipCameraHandler.sendHttpGET(
 190                             "/cgi-bin/configManager.cgi?action=setConfig&MotionDetect[0].Enable=true&MotionDetect[0].EventHandler.Dejitter=1");
 191                 } else {
 192                     ipCameraHandler
 193                             .sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&MotionDetect[0].Enable=false");
 194                 }
 195                 return;
 196             case CHANNEL_ACTIVATE_ALARM_OUTPUT:
 197                 if (OnOffType.ON.equals(command)) {
 198                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&AlarmOut[0].Mode=1");
 199                 } else {
 200                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&AlarmOut[0].Mode=0");
 201                 }
 202                 return;
 203             case CHANNEL_ACTIVATE_ALARM_OUTPUT2:
 204                 if (OnOffType.ON.equals(command)) {
 205                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&AlarmOut[1].Mode=1");
 206                 } else {
 207                     ipCameraHandler.sendHttpGET("/cgi-bin/configManager.cgi?action=setConfig&AlarmOut[1].Mode=0");
 208                 }
 209                 return;
 210             case CHANNEL_FFMPEG_MOTION_CONTROL:
 211                 if (OnOffType.ON.equals(command)) {
 212                     ipCameraHandler.motionAlarmEnabled = true;
 213                 } else if (OnOffType.OFF.equals(command) || DecimalType.ZERO.equals(command)) {
 214                     ipCameraHandler.motionAlarmEnabled = false;
 215                     ipCameraHandler.noMotionDetected(CHANNEL_MOTION_ALARM);
 216                 } else {
 217                     ipCameraHandler.motionAlarmEnabled = true;
 218                     ipCameraHandler.motionThreshold = Double.valueOf(command.toString());
 219                     ipCameraHandler.motionThreshold = ipCameraHandler.motionThreshold / 10000;
 220                 }
 221                 ipCameraHandler.setupFfmpegFormat(FFmpegFormat.RTSP_ALARMS);
 222                 return;
 223         }
 224     }
 225
 226     // If a camera does not need to poll a request as often as snapshots, it can be
 227     // added here. Binding steps through the list.
 228     public ArrayList<String> getLowPriorityRequests() {
 229         ArrayList<String> lowPriorityRequests = new ArrayList<String>(1);
 230         return lowPriorityRequests;
 231     }
 232 }