git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2024 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.onvif;
  14
  15 import static org.openhab.binding.ipcamera.internal.IpCameraBindingConstants.*;
  16
  17 import java.net.ConnectException;
  18 import java.net.InetSocketAddress;
  19 import java.nio.charset.StandardCharsets;
  20 import java.security.MessageDigest;
  21 import java.security.NoSuchAlgorithmException;
  22 import java.security.SecureRandom;
  23 import java.text.SimpleDateFormat;
  24 import java.util.ArrayList;
  25 import java.util.Base64;
  26 import java.util.Date;
  27 import java.util.LinkedList;
  28 import java.util.List;
  29 import java.util.Random;
  30 import java.util.TimeZone;
  31 import java.util.concurrent.Executors;
  32 import java.util.concurrent.ScheduledExecutorService;
  33 import java.util.concurrent.TimeUnit;
  34 import java.util.concurrent.locks.ReentrantLock;
  35
  36 import org.eclipse.jdt.annotation.NonNullByDefault;
  37 import org.eclipse.jdt.annotation.Nullable;
  38 import org.openhab.binding.ipcamera.internal.Helper;
  39 import org.openhab.binding.ipcamera.internal.handler.IpCameraHandler;
  40 import org.openhab.core.library.types.OnOffType;
  41 import org.openhab.core.thing.ChannelUID;
  42 import org.openhab.core.types.StateOption;
  43 import org.openhab.core.util.StringUtils;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 import io.netty.bootstrap.Bootstrap;
  48 import io.netty.buffer.ByteBuf;
  49 import io.netty.buffer.Unpooled;
  50 import io.netty.channel.Channel;
  51 import io.netty.channel.ChannelFuture;
  52 import io.netty.channel.ChannelFutureListener;
  53 import io.netty.channel.ChannelInitializer;
  54 import io.netty.channel.ChannelOption;
  55 import io.netty.channel.ConnectTimeoutException;
  56 import io.netty.channel.EventLoopGroup;
  57 import io.netty.channel.nio.NioEventLoopGroup;
  58 import io.netty.channel.socket.SocketChannel;
  59 import io.netty.channel.socket.nio.NioSocketChannel;
  60 import io.netty.handler.codec.http.DefaultFullHttpRequest;
  61 import io.netty.handler.codec.http.FullHttpRequest;
  62 import io.netty.handler.codec.http.HttpClientCodec;
  63 import io.netty.handler.codec.http.HttpHeaderValues;
  64 import io.netty.handler.codec.http.HttpMethod;
  65 import io.netty.handler.codec.http.HttpVersion;
  66 import io.netty.handler.timeout.IdleStateHandler;
  67
  68 /**
  69  * The {@link OnvifConnection} This is a basic Netty implementation for connecting and communicating to ONVIF cameras.
  70  *
  71  * @author Matthew Skinner - Initial contribution
  72  * @author Kai Kreuzer - Improve handling for certain cameras
  73  */
  74
  75 @NonNullByDefault
  76 public class OnvifConnection {
  77     public enum RequestType {
  78         AbsoluteMove,
  79         AddPTZConfiguration,
  80         ContinuousMoveLeft,
  81         ContinuousMoveRight,
  82         ContinuousMoveUp,
  83         ContinuousMoveDown,
  84         Stop,
  85         ContinuousMoveIn,
  86         ContinuousMoveOut,
  87         CreatePullPointSubscription,
  88         GetCapabilities,
  89         GetDeviceInformation,
  90         GetProfiles,
  91         GetServiceCapabilities,
  92         GetSnapshotUri,
  93         GetStreamUri,
  94         GetSystemDateAndTime,
  95         Subscribe,
  96         Unsubscribe,
  97         PullMessages,
  98         GetEventProperties,
  99         RelativeMoveLeft,
 100         RelativeMoveRight,
 101         RelativeMoveUp,
 102         RelativeMoveDown,
 103         RelativeMoveIn,
 104         RelativeMoveOut,
 105         Renew,
 106         GetConfigurations,
 107         GetConfigurationOptions,
 108         GetConfiguration,
 109         SetConfiguration,
 110         GetNodes,
 111         GetStatus,
 112         GotoPreset,
 113         GetPresets
 114     }
 115
 116     private final Logger logger = LoggerFactory.getLogger(getClass());
 117     private ScheduledExecutorService threadPool = Executors.newScheduledThreadPool(2);
 118     private @Nullable Bootstrap bootstrap;
 119     private EventLoopGroup mainEventLoopGroup = new NioEventLoopGroup(2);
 120     private ReentrantLock connecting = new ReentrantLock();
 121     private String ipAddress = "";
 122     private String user = "";
 123     private String password = "";
 124     private int onvifPort = 80;
 125     private String deviceXAddr = "http://" + ipAddress + "/onvif/device_service";
 126     private String eventXAddr = "http://" + ipAddress + "/onvif/device_service";
 127     private String mediaXAddr = "http://" + ipAddress + "/onvif/device_service";
 128     @SuppressWarnings("unused")
 129     private String imagingXAddr = "http://" + ipAddress + "/onvif/device_service";
 130     private String ptzXAddr = "http://" + ipAddress + "/onvif/ptz_service";
 131     private String subscriptionXAddr = "http://" + ipAddress + "/onvif/device_service";
 132     private boolean isConnected = false;
 133     private int mediaProfileIndex = 0;
 134     // private String snapshotUri = "";
 135     private String rtspUri = "";
 136     private IpCameraHandler ipCameraHandler;
 137     private boolean usingEvents = false;
 138
 139     // These hold the cameras PTZ position in the range that the camera uses, ie
 140     // mine is -1 to +1
 141     private Float panRangeMin = -1.0f;
 142     private Float panRangeMax = 1.0f;
 143     private Float tiltRangeMin = -1.0f;
 144     private Float tiltRangeMax = 1.0f;
 145     private Float zoomMin = 0.0f;
 146     private Float zoomMax = 1.0f;
 147     // These hold the PTZ values for updating openHABs controls in 0-100 range
 148     private Float currentPanPercentage = 0.0f;
 149     private Float currentTiltPercentage = 0.0f;
 150     private Float currentZoomPercentage = 0.0f;
 151     private Float currentPanCamValue = 0.0f;
 152     private Float currentTiltCamValue = 0.0f;
 153     private Float currentZoomCamValue = 0.0f;
 154     private String ptzNodeToken = "000";
 155     private String ptzConfigToken = "000";
 156     private int presetTokenIndex = 0;
 157     private List<String> presetTokens = new LinkedList<>();
 158     private List<String> presetNames = new LinkedList<>();
 159     private List<String> mediaProfileTokens = new LinkedList<>();
 160     private boolean ptzDevice = true;
 161
 162     public OnvifConnection(IpCameraHandler ipCameraHandler, String ipAddress, String user, String password) {
 163         this.ipCameraHandler = ipCameraHandler;
 164         if (!ipAddress.isEmpty()) {
 165             this.user = user;
 166             this.password = password;
 167             getIPandPortFromUrl(ipAddress);
 168         }
 169     }
 170
 171     private String getXml(RequestType requestType) {
 172         try {
 173             switch (requestType) {
 174                 case AbsoluteMove:
 175                     return "<AbsoluteMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 176                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken><Position><PanTilt x=\""
 177                             + currentPanCamValue + "\" y=\"" + currentTiltCamValue
 178                             + "\" space=\"http://www.onvif.org/ver10/tptz/PanTiltSpaces/PositionGenericSpace\">\n"
 179                             + "</PanTilt>\n" + "<Zoom x=\"" + currentZoomCamValue
 180                             + "\" space=\"http://www.onvif.org/ver10/tptz/ZoomSpaces/PositionGenericSpace\">\n"
 181                             + "</Zoom>\n" + "</Position>\n"
 182                             + "<Speed><PanTilt x=\"0.1\" y=\"0.1\" space=\"http://www.onvif.org/ver10/tptz/PanTiltSpaces/GenericSpeedSpace\"></PanTilt><Zoom x=\"1.0\" space=\"http://www.onvif.org/ver10/tptz/ZoomSpaces/ZoomGenericSpeedSpace\"></Zoom>\n"
 183                             + "</Speed></AbsoluteMove>";
 184                 case AddPTZConfiguration: // not tested to work yet
 185                     return "<AddPTZConfiguration xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 186                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken><ConfigurationToken>"
 187                             + ptzConfigToken + "</ConfigurationToken></AddPTZConfiguration>";
 188                 case ContinuousMoveLeft:
 189                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 190                             + mediaProfileTokens.get(mediaProfileIndex)
 191                             + "</ProfileToken><Velocity><PanTilt x=\"-0.5\" y=\"0\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 192                 case ContinuousMoveRight:
 193                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 194                             + mediaProfileTokens.get(mediaProfileIndex)
 195                             + "</ProfileToken><Velocity><PanTilt x=\"0.5\" y=\"0\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 196                 case ContinuousMoveUp:
 197                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 198                             + mediaProfileTokens.get(mediaProfileIndex)
 199                             + "</ProfileToken><Velocity><PanTilt x=\"0\" y=\"-0.5\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 200                 case ContinuousMoveDown:
 201                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 202                             + mediaProfileTokens.get(mediaProfileIndex)
 203                             + "</ProfileToken><Velocity><PanTilt x=\"0\" y=\"0.5\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 204                 case Stop:
 205                     return "<Stop xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 206                             + mediaProfileTokens.get(mediaProfileIndex)
 207                             + "</ProfileToken><PanTilt>true</PanTilt><Zoom>true</Zoom></Stop>";
 208                 case ContinuousMoveIn:
 209                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 210                             + mediaProfileTokens.get(mediaProfileIndex)
 211                             + "</ProfileToken><Velocity><Zoom x=\"0.5\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 212                 case ContinuousMoveOut:
 213                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 214                             + mediaProfileTokens.get(mediaProfileIndex)
 215                             + "</ProfileToken><Velocity><Zoom x=\"-0.5\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 216                 case CreatePullPointSubscription:
 217                     return "<CreatePullPointSubscription xmlns=\"http://www.onvif.org/ver10/events/wsdl\"><InitialTerminationTime>PT600S</InitialTerminationTime></CreatePullPointSubscription>";
 218                 case GetCapabilities:
 219                     return "<GetCapabilities xmlns=\"http://www.onvif.org/ver10/device/wsdl\"><Category>All</Category></GetCapabilities>";
 220
 221                 case GetDeviceInformation:
 222                     return "<GetDeviceInformation xmlns=\"http://www.onvif.org/ver10/device/wsdl\"/>";
 223                 case GetProfiles:
 224                     return "<GetProfiles xmlns=\"http://www.onvif.org/ver10/media/wsdl\"/>";
 225                 case GetServiceCapabilities:
 226                     return "<GetServiceCapabilities xmlns=\"http://docs.oasis-open.org/wsn/b-2/\"></GetServiceCapabilities>";
 227                 case GetSnapshotUri:
 228                     return "<GetSnapshotUri xmlns=\"http://www.onvif.org/ver10/media/wsdl\"><ProfileToken>"
 229                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken></GetSnapshotUri>";
 230                 case GetStreamUri:
 231                     return "<GetStreamUri xmlns=\"http://www.onvif.org/ver10/media/wsdl\"><StreamSetup><Stream xmlns=\"http://www.onvif.org/ver10/schema\">RTP-Unicast</Stream><Transport xmlns=\"http://www.onvif.org/ver10/schema\"><Protocol>RTSP</Protocol></Transport></StreamSetup><ProfileToken>"
 232                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken></GetStreamUri>";
 233                 case GetSystemDateAndTime:
 234                     return "<GetSystemDateAndTime xmlns=\"http://www.onvif.org/ver10/device/wsdl\"/>";
 235                 case Subscribe:
 236                     return "<Subscribe xmlns=\"http://docs.oasis-open.org/wsn/b-2/\"><ConsumerReference><Address>http://"
 237                             + ipCameraHandler.hostIp + ":" + SERVLET_PORT + "/ipcamera/"
 238                             + ipCameraHandler.getThing().getUID().getId()
 239                             + "/OnvifEvent</Address></ConsumerReference></Subscribe>";
 240                 case Unsubscribe:
 241                     return "<Unsubscribe xmlns=\"http://docs.oasis-open.org/wsn/b-2/\"></Unsubscribe>";
 242                 case PullMessages:
 243                     return "<PullMessages xmlns=\"http://www.onvif.org/ver10/events/wsdl\"><Timeout>PT8S</Timeout><MessageLimit>1</MessageLimit></PullMessages>";
 244                 case GetEventProperties:
 245                     return "<GetEventProperties xmlns=\"http://www.onvif.org/ver10/events/wsdl\"/>";
 246                 case RelativeMoveLeft:
 247                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 248                             + mediaProfileTokens.get(mediaProfileIndex)
 249                             + "</ProfileToken><Translation><PanTilt x=\"0.05000000\" y=\"0\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 250                 case RelativeMoveRight:
 251                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 252                             + mediaProfileTokens.get(mediaProfileIndex)
 253                             + "</ProfileToken><Translation><PanTilt x=\"-0.05000000\" y=\"0\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 254                 case RelativeMoveUp:
 255                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 256                             + mediaProfileTokens.get(mediaProfileIndex)
 257                             + "</ProfileToken><Translation><PanTilt x=\"0\" y=\"0.100000000\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 258                 case RelativeMoveDown:
 259                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 260                             + mediaProfileTokens.get(mediaProfileIndex)
 261                             + "</ProfileToken><Translation><PanTilt x=\"0\" y=\"-0.100000000\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 262                 case RelativeMoveIn:
 263                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 264                             + mediaProfileTokens.get(mediaProfileIndex)
 265                             + "</ProfileToken><Translation><Zoom x=\"0.0240506344\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 266                 case RelativeMoveOut:
 267                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 268                             + mediaProfileTokens.get(mediaProfileIndex)
 269                             + "</ProfileToken><Translation><Zoom x=\"-0.0240506344\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 270                 case Renew:
 271                     return "<Renew xmlns=\"http://docs.oasis-open.org/wsn/b-2\"><TerminationTime>PT1M</TerminationTime></Renew>";
 272                 case GetConfigurations:
 273                     return "<GetConfigurations xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"></GetConfigurations>";
 274                 case GetConfigurationOptions:
 275                     return "<GetConfigurationOptions xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ConfigurationToken>"
 276                             + ptzConfigToken + "</ConfigurationToken></GetConfigurationOptions>";
 277                 case GetConfiguration:
 278                     return "<GetConfiguration xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><PTZConfigurationToken>"
 279                             + ptzConfigToken + "</PTZConfigurationToken></GetConfiguration>";
 280                 case SetConfiguration:// not tested to work yet
 281                     return "<SetConfiguration xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><PTZConfiguration><NodeToken>"
 282                             + ptzNodeToken
 283                             + "</NodeToken><DefaultAbsolutePantTiltPositionSpace>AbsolutePanTiltPositionSpace</DefaultAbsolutePantTiltPositionSpace><DefaultAbsoluteZoomPositionSpace>AbsoluteZoomPositionSpace</DefaultAbsoluteZoomPositionSpace></PTZConfiguration></SetConfiguration>";
 284                 case GetNodes:
 285                     return "<GetNodes xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"></GetNodes>";
 286                 case GetStatus:
 287                     return "<GetStatus xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 288                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken></GetStatus>";
 289                 case GotoPreset:
 290                     return "<GotoPreset xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 291                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken><PresetToken>"
 292                             + presetTokens.get(presetTokenIndex) + "</PresetToken></GotoPreset>";
 293                 case GetPresets:
 294                     return "<GetPresets xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 295                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken></GetPresets>";
 296             }
 297         } catch (IndexOutOfBoundsException e) {
 298             if (!isConnected) {
 299                 logger.debug("IndexOutOfBoundsException occured, camera is not connected via ONVIF: {}",
 300                         e.getMessage());
 301             } else {
 302                 logger.debug("IndexOutOfBoundsException occured, {}", e.getMessage());
 303             }
 304         }
 305         return "notfound";
 306     }
 307
 308     public void processReply(String message) {
 309         logger.trace("ONVIF reply is: {}", message);
 310         if (message.contains("PullMessagesResponse")) {
 311             eventRecieved(message);
 312         } else if (message.contains("RenewResponse")) {
 313             sendOnvifRequest(RequestType.PullMessages, subscriptionXAddr);
 314         } else if (message.contains("GetSystemDateAndTimeResponse")) {// 1st to be sent.
 315             setIsConnected(true);
 316             parseDateAndTime(message);
 317             logger.debug("openHAB UTC dateTime is: {}", getUTCdateTime());
 318         } else if (message.contains("GetCapabilitiesResponse")) {// 2nd to be sent.
 319             parseXAddr(message);
 320             sendOnvifRequest(RequestType.GetProfiles, mediaXAddr);
 321         } else if (message.contains("GetProfilesResponse")) {// 3rd to be sent.
 322             setIsConnected(true);
 323             parseProfiles(message);
 324             sendOnvifRequest(RequestType.GetSnapshotUri, mediaXAddr);
 325             sendOnvifRequest(RequestType.GetStreamUri, mediaXAddr);
 326             if (ptzDevice) {
 327                 sendPTZRequest(RequestType.GetNodes);
 328             }
 329             if (usingEvents) {// stops API cameras from getting sent ONVIF events.
 330                 sendOnvifRequest(RequestType.GetEventProperties, eventXAddr);
 331                 sendOnvifRequest(RequestType.GetServiceCapabilities, eventXAddr);
 332             }
 333         } else if (message.contains("GetServiceCapabilitiesResponse")) {
 334             if (message.contains("WSSubscriptionPolicySupport=\"true\"")) {
 335                 sendOnvifRequest(RequestType.Subscribe, eventXAddr);
 336             }
 337         } else if (message.contains("GetEventPropertiesResponse")) {
 338             sendOnvifRequest(RequestType.CreatePullPointSubscription, eventXAddr);
 339         } else if (message.contains("CreatePullPointSubscriptionResponse")) {
 340             subscriptionXAddr = Helper.fetchXML(message, "SubscriptionReference>", "Address>");
 341             logger.debug("subscriptionXAddr={}", subscriptionXAddr);
 342             sendOnvifRequest(RequestType.PullMessages, subscriptionXAddr);
 343         } else if (message.contains("GetStatusResponse")) {
 344             processPTZLocation(message);
 345         } else if (message.contains("GetPresetsResponse")) {
 346             parsePresets(message);
 347         } else if (message.contains("GetConfigurationsResponse")) {
 348             sendPTZRequest(RequestType.GetPresets);
 349             ptzConfigToken = Helper.fetchXML(message, "PTZConfiguration", "token=\"");
 350             logger.debug("ptzConfigToken={}", ptzConfigToken);
 351             sendPTZRequest(RequestType.GetConfigurationOptions);
 352         } else if (message.contains("GetNodesResponse")) {
 353             sendPTZRequest(RequestType.GetStatus);
 354             ptzNodeToken = Helper.fetchXML(message, "", "token=\"");
 355             logger.debug("ptzNodeToken={}", ptzNodeToken);
 356             sendPTZRequest(RequestType.GetConfigurations);
 357         } else if (message.contains("GetDeviceInformationResponse")) {
 358             logger.debug("GetDeviceInformationResponse received");
 359         } else if (message.contains("GetSnapshotUriResponse")) {
 360             String url = Helper.fetchXML(message, ":MediaUri", ":Uri");
 361             if (!url.isBlank()) {
 362                 logger.debug("GetSnapshotUri: {}", url);
 363                 if (ipCameraHandler.snapshotUri.isEmpty()
 364                         && !"ffmpeg".equals(ipCameraHandler.cameraConfig.getSnapshotUrl())) {
 365                     ipCameraHandler.snapshotUri = ipCameraHandler.getCorrectUrlFormat(url);
 366                     if (ipCameraHandler.getPortFromShortenedUrl(url) != ipCameraHandler.cameraConfig.getPort()) {
 367                         logger.warn("ONVIF is reporting the snapshot does not match the things configured port of:{}",
 368                                 ipCameraHandler.cameraConfig.getPort());
 369                     }
 370                 }
 371             }
 372         } else if (message.contains("GetStreamUriResponse")) {
 373             String xml = StringUtils.unEscapeXml(Helper.fetchXML(message, ":MediaUri", ":Uri>"));
 374             if (xml != null) {
 375                 rtspUri = xml;
 376                 logger.debug("GetStreamUri: {}", rtspUri);
 377                 if (ipCameraHandler.cameraConfig.getFfmpegInput().isEmpty()) {
 378                     ipCameraHandler.rtspUri = rtspUri;
 379                 }
 380             }
 381         }
 382     }
 383
 384     /**
 385      * The {@link removeIPandPortFromUrl} Will throw away all text before the cameras IP, also removes the IP and the
 386      * PORT
 387      * leaving just the URL.
 388      *
 389      * @author Matthew Skinner - Initial contribution
 390      */
 391     String removeIPandPortFromUrl(String url) {
 392         int index = url.indexOf("//");
 393         if (index != -1) {// now remove the :port
 394             index = url.indexOf("/", index + 2);
 395         }
 396         if (index == -1) {
 397             logger.debug("We hit an issue parsing url: {}", url);
 398             return "";
 399         }
 400         return url.substring(index);
 401     }
 402
 403     String extractIPportFromUrl(String url) {
 404         int startIndex = url.indexOf("//") + 2;
 405         int endIndex = url.indexOf("/", startIndex);// skip past any :port to the slash /
 406         if (startIndex != -1 && endIndex != -1) {
 407             return url.substring(startIndex, endIndex);
 408         }
 409         logger.debug("We hit an issue extracting IP:PORT from url: {}", url);
 410         return "";
 411     }
 412
 413     int extractPortFromUrl(String url) {
 414         int startIndex = url.indexOf("//") + 2;// skip past http://
 415         startIndex = url.indexOf(":", startIndex);
 416         if (startIndex == -1) {// no port defined so use port 80
 417             return 80;
 418         }
 419         int endIndex = url.indexOf("/", startIndex);// skip past any :port to the slash /
 420         if (endIndex == -1) {
 421             return 80;
 422         }
 423         return Integer.parseInt(url.substring(startIndex + 1, endIndex));
 424     }
 425
 426     void parseXAddr(String message) {
 427         // Normally I would search '<tt:XAddr>' instead but Foscam needed this work around.
 428         String temp = Helper.fetchXML(message, "<tt:Device", "tt:XAddr");
 429         if (!temp.isEmpty()) {
 430             deviceXAddr = temp;
 431             logger.debug("deviceXAddr: {}", deviceXAddr);
 432         }
 433         temp = Helper.fetchXML(message, "<tt:Events", "tt:XAddr");
 434         if (!temp.isEmpty()) {
 435             subscriptionXAddr = eventXAddr = temp;
 436             logger.debug("eventsXAddr: {}", eventXAddr);
 437         }
 438         temp = Helper.fetchXML(message, "<tt:Media", "tt:XAddr");
 439         if (!temp.isEmpty()) {
 440             mediaXAddr = temp;
 441             logger.debug("mediaXAddr: {}", mediaXAddr);
 442         }
 443
 444         ptzXAddr = Helper.fetchXML(message, "<tt:PTZ", "tt:XAddr");
 445         if (ptzXAddr.isEmpty()) {
 446             ptzDevice = false;
 447             logger.debug("Camera has no ONVIF PTZ support.");
 448             List<org.openhab.core.thing.Channel> removeChannels = new ArrayList<>();
 449             org.openhab.core.thing.Channel channel = ipCameraHandler.getThing().getChannel(CHANNEL_PAN);
 450             if (channel != null) {
 451                 removeChannels.add(channel);
 452             }
 453             channel = ipCameraHandler.getThing().getChannel(CHANNEL_TILT);
 454             if (channel != null) {
 455                 removeChannels.add(channel);
 456             }
 457             channel = ipCameraHandler.getThing().getChannel(CHANNEL_ZOOM);
 458             if (channel != null) {
 459                 removeChannels.add(channel);
 460             }
 461             ipCameraHandler.removeChannels(removeChannels);
 462         } else {
 463             logger.debug("ptzXAddr: {}", ptzXAddr);
 464         }
 465     }
 466
 467     private void parseDateAndTime(String message) {
 468         String minute = Helper.fetchXML(message, "UTCDateTime", "Minute>");
 469         String hour = Helper.fetchXML(message, "UTCDateTime", "Hour>");
 470         String second = Helper.fetchXML(message, "UTCDateTime", "Second>");
 471         String day = Helper.fetchXML(message, "UTCDateTime", "Day>");
 472         String month = Helper.fetchXML(message, "UTCDateTime", "Month>");
 473         String year = Helper.fetchXML(message, "UTCDateTime", "Year>");
 474         logger.debug("Camera  UTC dateTime is: {}-{}-{}T{}:{}:{}", year, month, day, hour, minute, second);
 475     }
 476
 477     private String getUTCdateTime() {
 478         SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
 479         format.setTimeZone(TimeZone.getTimeZone("UTC"));
 480         return format.format(new Date());
 481     }
 482
 483     String createNonce() {
 484         Random nonce = new SecureRandom();
 485         return "" + nonce.nextInt();
 486     }
 487
 488     String encodeBase64(String raw) {
 489         return Base64.getEncoder().encodeToString(raw.getBytes());
 490     }
 491
 492     String createDigest(String nOnce, String dateTime) {
 493         String beforeEncryption = nOnce + dateTime + password;
 494         MessageDigest msgDigest;
 495         byte[] encryptedRaw = null;
 496         try {
 497             msgDigest = MessageDigest.getInstance("SHA-1");
 498             msgDigest.reset();
 499             msgDigest.update(beforeEncryption.getBytes(StandardCharsets.UTF_8));
 500             encryptedRaw = msgDigest.digest();
 501         } catch (NoSuchAlgorithmException e) {
 502         }
 503         return Base64.getEncoder().encodeToString(encryptedRaw);
 504     }
 505
 506     public void sendOnvifRequest(RequestType requestType, String xAddr) {
 507         logger.trace("Sending ONVIF request: {} to {}", requestType, xAddr);
 508         int port = extractPortFromUrl(xAddr);
 509         String security = "";
 510         String extraEnvelope = "";
 511         String headerTo = "";
 512         String getXmlCache = getXml(requestType);
 513         if (requestType.equals(RequestType.CreatePullPointSubscription) || requestType.equals(RequestType.PullMessages)
 514                 || requestType.equals(RequestType.Renew) || requestType.equals(RequestType.Unsubscribe)) {
 515             headerTo = "<a:To s:mustUnderstand=\"1\">" + xAddr + "</a:To>";
 516             extraEnvelope = " xmlns:a=\"http://www.w3.org/2005/08/addressing\"";
 517         }
 518         String headers;
 519         if (!password.isEmpty() && !requestType.equals(RequestType.GetSystemDateAndTime)) {
 520             String nonce = createNonce();
 521             String dateTime = getUTCdateTime();
 522             String digest = createDigest(nonce, dateTime);
 523             security = "<Security s:mustUnderstand=\"1\" xmlns=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd\"><UsernameToken><Username>"
 524                     + user
 525                     + "</Username><Password Type=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordDigest\">"
 526                     + digest
 527                     + "</Password><Nonce EncodingType=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary\">"
 528                     + encodeBase64(nonce)
 529                     + "</Nonce><Created xmlns=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd\">"
 530                     + dateTime + "</Created></UsernameToken></Security>";
 531             headers = "<s:Header>" + security + headerTo + "</s:Header>";
 532         } else {// GetSystemDateAndTime must not be password protected as per spec.
 533             headers = "";
 534         }
 535         FullHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, new HttpMethod("POST"),
 536                 removeIPandPortFromUrl(xAddr));
 537         String actionString = Helper.fetchXML(getXmlCache, requestType.toString(), "xmlns=\"");
 538         request.headers().add("Content-Type",
 539                 "application/soap+xml; charset=utf-8; action=\"" + actionString + "/" + requestType + "\"");
 540         request.headers().add("Charset", "utf-8");
 541         // Tapo brand have different ports for the event xAddr to the other xAddr, can't use 1 port for all ONVIF calls.
 542         request.headers().set("Host", ipAddress + ":" + port);
 543         request.headers().set("Connection", HttpHeaderValues.CLOSE);
 544         request.headers().set("Accept-Encoding", "gzip, deflate");
 545         String fullXml = "<s:Envelope xmlns:s=\"http://www.w3.org/2003/05/soap-envelope\"" + extraEnvelope + ">"
 546                 + headers
 547                 + "<s:Body xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">"
 548                 + getXmlCache + "</s:Body></s:Envelope>";
 549         request.headers().add("SOAPAction", "\"" + actionString + "/" + requestType + "\"");
 550         ByteBuf bbuf = Unpooled.copiedBuffer(fullXml, StandardCharsets.UTF_8);
 551         request.headers().set("Content-Length", bbuf.readableBytes());
 552         request.content().clear().writeBytes(bbuf);
 553
 554         Bootstrap localBootstap = bootstrap;
 555         if (localBootstap == null) {
 556             mainEventLoopGroup = new NioEventLoopGroup(2);
 557             localBootstap = new Bootstrap();
 558             localBootstap.group(mainEventLoopGroup);
 559             localBootstap.channel(NioSocketChannel.class);
 560             localBootstap.option(ChannelOption.SO_KEEPALIVE, true);
 561             localBootstap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000);
 562             localBootstap.option(ChannelOption.SO_SNDBUF, 1024 * 8);
 563             localBootstap.option(ChannelOption.SO_RCVBUF, 1024 * 1024);
 564             localBootstap.option(ChannelOption.TCP_NODELAY, true);
 565             localBootstap.handler(new ChannelInitializer<SocketChannel>() {
 566
 567                 @Override
 568                 public void initChannel(SocketChannel socketChannel) throws Exception {
 569                     socketChannel.pipeline().addLast("idleStateHandler", new IdleStateHandler(20, 20, 20));
 570                     socketChannel.pipeline().addLast("HttpClientCodec", new HttpClientCodec());
 571                     socketChannel.pipeline().addLast("OnvifCodec", new OnvifCodec(getHandle()));
 572                 }
 573             });
 574             bootstrap = localBootstap;
 575         }
 576         if (!mainEventLoopGroup.isShuttingDown()) {
 577             // Tapo brand have different ports for the event xAddr to the other xAddr, can't use 1 port for all calls.
 578             localBootstap.connect(new InetSocketAddress(ipAddress, port)).addListener(new ChannelFutureListener() {
 579                 @Override
 580                 public void operationComplete(@Nullable ChannelFuture future) {
 581                     if (future == null) {
 582                         return;
 583                     }
 584                     if (future.isSuccess()) {
 585                         Channel ch = future.channel();
 586                         ch.writeAndFlush(request);
 587                     } else { // an error occurred
 588                         if (future.isDone() && !future.isCancelled()) {
 589                             Throwable cause = future.cause();
 590                             String msg = cause.getMessage();
 591                             logger.debug("connect failed - cause {}", cause.getMessage());
 592                             if (cause instanceof ConnectTimeoutException) {
 593                                 usingEvents = false;// Prevent Unsubscribe from being sent
 594                                 ipCameraHandler.cameraCommunicationError(
 595                                         "Camera timed out when trying to connect to the ONVIF port:" + port);
 596                             } else if ((cause instanceof ConnectException) && msg != null
 597                                     && msg.contains("Connection refused")) {
 598                                 usingEvents = false;// Prevent Unsubscribe from being sent
 599                                 ipCameraHandler.cameraCommunicationError(
 600                                         "Camera refused to connect when using ONVIF to port:" + port);
 601                             }
 602                         }
 603                         if (isConnected) {
 604                             disconnect();
 605                         }
 606                     }
 607                 }
 608             });
 609         } else {
 610             logger.debug("ONVIF message not sent as connection is shutting down");
 611         }
 612     }
 613
 614     OnvifConnection getHandle() {
 615         return this;
 616     }
 617
 618     void getIPandPortFromUrl(String url) {
 619         int beginIndex = url.indexOf(":");
 620         int endIndex = url.indexOf("/", beginIndex);
 621         if (beginIndex >= 0 && endIndex == -1) {// 192.168.1.1:8080
 622             ipAddress = url.substring(0, beginIndex);
 623             onvifPort = Integer.parseInt(url.substring(beginIndex + 1));
 624         } else if (beginIndex >= 0 && endIndex > beginIndex) {// 192.168.1.1:8080/foo/bar
 625             ipAddress = url.substring(0, beginIndex);
 626             onvifPort = Integer.parseInt(url.substring(beginIndex + 1, endIndex));
 627         } else {// 192.168.1.1
 628             ipAddress = url;
 629             deviceXAddr = "http://" + ipAddress + "/onvif/device_service";
 630             logger.debug("No ONVIF Port found when parsing: {}", url);
 631             return;
 632         }
 633         deviceXAddr = "http://" + ipAddress + ":" + onvifPort + "/onvif/device_service";
 634     }
 635
 636     public void gotoPreset(int index) {
 637         if (ptzDevice) {
 638             if (index > 0) {// 0 is reserved for HOME as cameras seem to start at preset 1.
 639                 if (presetTokens.isEmpty()) {
 640                     logger.warn("Camera did not report any ONVIF preset locations, updating preset tokens now.");
 641                     sendPTZRequest(RequestType.GetPresets);
 642                 } else {
 643                     presetTokenIndex = index - 1;
 644                     sendPTZRequest(RequestType.GotoPreset);
 645                 }
 646             }
 647         }
 648     }
 649
 650     public void eventRecieved(String eventMessage) {
 651         String topic = Helper.fetchXML(eventMessage, "Topic", "tns1:");
 652         if (topic.isEmpty()) {
 653             sendOnvifRequest(RequestType.Renew, subscriptionXAddr);
 654             return;
 655         }
 656         String dataName = Helper.fetchXML(eventMessage, "tt:Data", "Name=\"");
 657         String dataValue = Helper.fetchXML(eventMessage, "tt:Data", "Value=\"");
 658         logger.debug("ONVIF Event Topic: {}, Data: {}, Value: {}", topic, dataName, dataValue);
 659         switch (topic) {
 660             case "RuleEngine/CellMotionDetector/Motion":
 661                 if ("true".equals(dataValue)) {
 662                     ipCameraHandler.motionDetected(CHANNEL_CELL_MOTION_ALARM);
 663                 } else if ("false".equals(dataValue)) {
 664                     ipCameraHandler.noMotionDetected(CHANNEL_CELL_MOTION_ALARM);
 665                 }
 666                 break;
 667             case "VideoSource/MotionAlarm":
 668                 if ("true".equals(dataValue)) {
 669                     ipCameraHandler.motionDetected(CHANNEL_MOTION_ALARM);
 670                 } else if ("false".equals(dataValue)) {
 671                     ipCameraHandler.noMotionDetected(CHANNEL_MOTION_ALARM);
 672                 }
 673                 break;
 674             case "AudioAnalytics/Audio/DetectedSound":
 675                 if ("true".equals(dataValue)) {
 676                     ipCameraHandler.audioDetected();
 677                 } else if ("false".equals(dataValue)) {
 678                     ipCameraHandler.noAudioDetected();
 679                 }
 680                 break;
 681             case "RuleEngine/FieldDetector/ObjectsInside":
 682                 if ("true".equals(dataValue)) {
 683                     ipCameraHandler.motionDetected(CHANNEL_FIELD_DETECTION_ALARM);
 684                 } else if ("false".equals(dataValue)) {
 685                     ipCameraHandler.noMotionDetected(CHANNEL_FIELD_DETECTION_ALARM);
 686                 }
 687                 break;
 688             case "RuleEngine/LineDetector/Crossed":
 689                 if ("ObjectId".equals(dataName)) {
 690                     ipCameraHandler.motionDetected(CHANNEL_LINE_CROSSING_ALARM);
 691                 } else {
 692                     ipCameraHandler.noMotionDetected(CHANNEL_LINE_CROSSING_ALARM);
 693                 }
 694                 break;
 695             case "RuleEngine/TamperDetector/Tamper":
 696                 if ("true".equals(dataValue)) {
 697                     ipCameraHandler.changeAlarmState(CHANNEL_TAMPER_ALARM, OnOffType.ON);
 698                 } else if ("false".equals(dataValue)) {
 699                     ipCameraHandler.changeAlarmState(CHANNEL_TAMPER_ALARM, OnOffType.OFF);
 700                 }
 701                 break;
 702             case "Device/HardwareFailure/StorageFailure":
 703                 if ("true".equals(dataValue)) {
 704                     ipCameraHandler.changeAlarmState(CHANNEL_STORAGE_ALARM, OnOffType.ON);
 705                 } else if ("false".equals(dataValue)) {
 706                     ipCameraHandler.changeAlarmState(CHANNEL_STORAGE_ALARM, OnOffType.OFF);
 707                 }
 708                 break;
 709             case "VideoSource/ImageTooDark/AnalyticsService":
 710             case "VideoSource/ImageTooDark/ImagingService":
 711             case "VideoSource/ImageTooDark/RecordingService":
 712                 if ("true".equals(dataValue)) {
 713                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_DARK_ALARM, OnOffType.ON);
 714                 } else if ("false".equals(dataValue)) {
 715                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_DARK_ALARM, OnOffType.OFF);
 716                 }
 717                 break;
 718             case "VideoSource/GlobalSceneChange/AnalyticsService":
 719             case "VideoSource/GlobalSceneChange/ImagingService":
 720             case "VideoSource/GlobalSceneChange/RecordingService":
 721                 if ("true".equals(dataValue)) {
 722                     ipCameraHandler.changeAlarmState(CHANNEL_SCENE_CHANGE_ALARM, OnOffType.ON);
 723                 } else if ("false".equals(dataValue)) {
 724                     ipCameraHandler.changeAlarmState(CHANNEL_SCENE_CHANGE_ALARM, OnOffType.OFF);
 725                 }
 726                 break;
 727             case "VideoSource/ImageTooBright/AnalyticsService":
 728             case "VideoSource/ImageTooBright/ImagingService":
 729             case "VideoSource/ImageTooBright/RecordingService":
 730                 if ("true".equals(dataValue)) {
 731                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_BRIGHT_ALARM, OnOffType.ON);
 732                 } else if ("false".equals(dataValue)) {
 733                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_BRIGHT_ALARM, OnOffType.OFF);
 734                 }
 735                 break;
 736             case "VideoSource/ImageTooBlurry/AnalyticsService":
 737             case "VideoSource/ImageTooBlurry/ImagingService":
 738             case "VideoSource/ImageTooBlurry/RecordingService":
 739                 if ("true".equals(dataValue)) {
 740                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_BLURRY_ALARM, OnOffType.ON);
 741                 } else if ("false".equals(dataValue)) {
 742                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_BLURRY_ALARM, OnOffType.OFF);
 743                 }
 744                 break;
 745             case "RuleEngine/MyRuleDetector/Visitor":
 746                 if ("true".equals(dataValue)) {
 747                     ipCameraHandler.changeAlarmState(CHANNEL_DOORBELL, OnOffType.ON);
 748                 } else if ("false".equals(dataValue)) {
 749                     ipCameraHandler.changeAlarmState(CHANNEL_DOORBELL, OnOffType.OFF);
 750                 }
 751                 break;
 752             case "RuleEngine/MyRuleDetector/VehicleDetect":
 753                 if ("true".equals(dataValue)) {
 754                     ipCameraHandler.changeAlarmState(CHANNEL_CAR_ALARM, OnOffType.ON);
 755                 } else if ("false".equals(dataValue)) {
 756                     ipCameraHandler.changeAlarmState(CHANNEL_CAR_ALARM, OnOffType.OFF);
 757                 }
 758                 break;
 759             case "RuleEngine/MyRuleDetector/DogCatDetect":
 760                 if ("true".equals(dataValue)) {
 761                     ipCameraHandler.changeAlarmState(CHANNEL_ANIMAL_ALARM, OnOffType.ON);
 762                 } else if ("false".equals(dataValue)) {
 763                     ipCameraHandler.changeAlarmState(CHANNEL_ANIMAL_ALARM, OnOffType.OFF);
 764                 }
 765                 break;
 766             case "RuleEngine/MyRuleDetector/FaceDetect":
 767                 if ("true".equals(dataValue)) {
 768                     ipCameraHandler.changeAlarmState(CHANNEL_FACE_DETECTED, OnOffType.ON);
 769                 } else if ("false".equals(dataValue)) {
 770                     ipCameraHandler.changeAlarmState(CHANNEL_FACE_DETECTED, OnOffType.OFF);
 771                 }
 772                 break;
 773             case "RuleEngine/MyRuleDetector/PeopleDetect":
 774                 if ("true".equals(dataValue)) {
 775                     ipCameraHandler.changeAlarmState(CHANNEL_HUMAN_ALARM, OnOffType.ON);
 776                 } else if ("false".equals(dataValue)) {
 777                     ipCameraHandler.changeAlarmState(CHANNEL_HUMAN_ALARM, OnOffType.OFF);
 778                 }
 779                 break;
 780             default:
 781                 logger.debug("Please report this camera has an un-implemented ONVIF event. Topic: {}", topic);
 782         }
 783         sendOnvifRequest(RequestType.Renew, subscriptionXAddr);
 784     }
 785
 786     public boolean supportsPTZ() {
 787         return ptzDevice;
 788     }
 789
 790     public void getStatus() {
 791         if (ptzDevice) {
 792             sendPTZRequest(RequestType.GetStatus);
 793         }
 794     }
 795
 796     public Float getAbsolutePan() {
 797         return currentPanPercentage;
 798     }
 799
 800     public Float getAbsoluteTilt() {
 801         return currentTiltPercentage;
 802     }
 803
 804     public Float getAbsoluteZoom() {
 805         return currentZoomPercentage;
 806     }
 807
 808     public void setAbsolutePan(Float panValue) {// Value is 0-100% of cameras range
 809         if (ptzDevice) {
 810             currentPanPercentage = panValue;
 811             currentPanCamValue = ((((panRangeMin - panRangeMax) * -1) / 100) * panValue + panRangeMin);
 812         }
 813     }
 814
 815     public void setAbsoluteTilt(Float tiltValue) {// Value is 0-100% of cameras range
 816         if (ptzDevice) {
 817             currentTiltPercentage = tiltValue;
 818             currentTiltCamValue = ((((panRangeMin - panRangeMax) * -1) / 100) * tiltValue + tiltRangeMin);
 819         }
 820     }
 821
 822     public void setAbsoluteZoom(Float zoomValue) {// Value is 0-100% of cameras range
 823         if (ptzDevice) {
 824             currentZoomPercentage = zoomValue;
 825             currentZoomCamValue = ((((zoomMin - zoomMax) * -1) / 100) * zoomValue + zoomMin);
 826         }
 827     }
 828
 829     public void absoluteMove() { // Camera wont move until PTZ values are set, then call this.
 830         if (ptzDevice) {
 831             sendPTZRequest(RequestType.AbsoluteMove);
 832         }
 833     }
 834
 835     public void setSelectedMediaProfile(int mediaProfileIndex) {
 836         this.mediaProfileIndex = mediaProfileIndex;
 837     }
 838
 839     List<String> listOfResults(String message, String heading, String key) {
 840         List<String> results = new LinkedList<>();
 841         String temp = "";
 842         for (int startLookingFromIndex = 0; startLookingFromIndex != -1;) {
 843             startLookingFromIndex = message.indexOf(heading, startLookingFromIndex);
 844             if (startLookingFromIndex >= 0) {
 845                 temp = Helper.fetchXML(message.substring(startLookingFromIndex), heading, key);
 846                 if (!temp.isEmpty()) {
 847                     logger.trace("String was found: {}", temp);
 848                     results.add(temp);
 849                 } else {
 850                     return results;// key string must not exist so stop looking.
 851                 }
 852                 startLookingFromIndex += temp.length();
 853             }
 854         }
 855         return results;
 856     }
 857
 858     void parsePresets(String message) {
 859         List<StateOption> presets = new ArrayList<>();
 860         int counter = 1;// Presets start at 1 not 0. HOME may be added to index 0.
 861         presetTokens = listOfResults(message, "<tptz:Preset", "token=\"");
 862         presetNames = listOfResults(message, "<tptz:Preset", "<tt:Name>");
 863         if (presetTokens.size() != presetNames.size()) {
 864             logger.warn("Camera did not report the same number of Tokens and Names for PTZ presets");
 865             return;
 866         }
 867         for (String value : presetNames) {
 868             presets.add(new StateOption(Integer.toString(counter++), value));
 869         }
 870         ipCameraHandler.stateDescriptionProvider
 871                 .setStateOptions(new ChannelUID(ipCameraHandler.getThing().getUID(), CHANNEL_GOTO_PRESET), presets);
 872     }
 873
 874     void parseProfiles(String message) {
 875         mediaProfileTokens = listOfResults(message, "<trt:Profiles", "token=\"");
 876         if (mediaProfileIndex >= mediaProfileTokens.size()) {
 877             logger.warn(
 878                     "You have set the media profile to {} when the camera reported {} profiles. Falling back to mainstream 0.",
 879                     mediaProfileIndex, mediaProfileTokens.size());
 880             mediaProfileIndex = 0;
 881         }
 882     }
 883
 884     void processPTZLocation(String result) {
 885         logger.debug("Processing new PTZ location now");
 886
 887         int beginIndex = result.indexOf("x=\"");
 888         int endIndex = result.indexOf("\"", (beginIndex + 3));
 889         if (beginIndex >= 0 && endIndex >= 0) {
 890             currentPanCamValue = Float.parseFloat(result.substring(beginIndex + 3, endIndex));
 891             currentPanPercentage = (((panRangeMin - currentPanCamValue) * -1) / ((panRangeMin - panRangeMax) * -1))
 892                     * 100;
 893             logger.debug("Pan is updating to: {} and the cam value is {}", Math.round(currentPanPercentage),
 894                     currentPanCamValue);
 895         } else {
 896             logger.warn(
 897                     "Binding could not determin the cameras current PTZ location. Not all cameras respond to GetStatus requests.");
 898             return;
 899         }
 900
 901         beginIndex = result.indexOf("y=\"");
 902         endIndex = result.indexOf("\"", (beginIndex + 3));
 903         if (beginIndex >= 0 && endIndex >= 0) {
 904             currentTiltCamValue = Float.parseFloat(result.substring(beginIndex + 3, endIndex));
 905             currentTiltPercentage = (((tiltRangeMin - currentTiltCamValue) * -1) / ((tiltRangeMin - tiltRangeMax) * -1))
 906                     * 100;
 907             logger.debug("Tilt is updating to: {} and the cam value is {}", Math.round(currentTiltPercentage),
 908                     currentTiltCamValue);
 909         } else {
 910             return;
 911         }
 912
 913         beginIndex = result.lastIndexOf("x=\"");
 914         endIndex = result.indexOf("\"", (beginIndex + 3));
 915         if (beginIndex >= 0 && endIndex >= 0) {
 916             currentZoomCamValue = Float.parseFloat(result.substring(beginIndex + 3, endIndex));
 917             currentZoomPercentage = (((zoomMin - currentZoomCamValue) * -1) / ((zoomMin - zoomMax) * -1)) * 100;
 918             logger.debug("Zoom is updating to: {} and the cam value is {}", Math.round(currentZoomPercentage),
 919                     currentZoomCamValue);
 920         } else {
 921             return;
 922         }
 923     }
 924
 925     public void sendPTZRequest(RequestType requestType) {
 926         if (!isConnected) {
 927             logger.debug("ONVIF was not connected when a PTZ request was made, connecting now");
 928             connect(usingEvents);
 929         }
 930         sendOnvifRequest(requestType, ptzXAddr);
 931     }
 932
 933     public void sendEventRequest(RequestType requestType) {
 934         sendOnvifRequest(requestType, eventXAddr);
 935     }
 936
 937     public void connect(boolean useEvents) {
 938         connecting.lock();
 939         try {
 940             if (!isConnected) {
 941                 logger.debug("Connecting {} to ONVIF", ipAddress);
 942                 threadPool = Executors.newScheduledThreadPool(2);
 943                 sendOnvifRequest(RequestType.GetSystemDateAndTime, deviceXAddr);
 944                 usingEvents = useEvents;
 945                 sendOnvifRequest(RequestType.GetCapabilities, deviceXAddr);
 946             }
 947         } finally {
 948             connecting.unlock();
 949         }
 950     }
 951
 952     public boolean isConnected() {
 953         connecting.lock();
 954         try {
 955             return isConnected;
 956         } finally {
 957             connecting.unlock();
 958         }
 959     }
 960
 961     public void setIsConnected(boolean isConnected) {
 962         connecting.lock();
 963         try {
 964             this.isConnected = isConnected;
 965         } finally {
 966             connecting.unlock();
 967         }
 968     }
 969
 970     private void cleanup() {
 971         if (!isConnected && !mainEventLoopGroup.isShuttingDown()) {
 972             try {
 973                 mainEventLoopGroup.shutdownGracefully();
 974                 mainEventLoopGroup.awaitTermination(3, TimeUnit.SECONDS);
 975             } catch (InterruptedException e) {
 976                 logger.warn("ONVIF was not cleanly shutdown, due to being interrupted");
 977             } finally {
 978                 logger.debug("Eventloop is shutdown: {}", mainEventLoopGroup.isShutdown());
 979                 bootstrap = null;
 980                 threadPool.shutdown();
 981             }
 982         }
 983     }
 984
 985     public void disconnect() {
 986         connecting.lock();// Lock out multiple disconnect()/connect() attempts as we try to send Unsubscribe.
 987         try {
 988             if (bootstrap != null) {
 989                 if (isConnected && usingEvents && !mainEventLoopGroup.isShuttingDown()) {
 990                     // Only makes sense to send if connected
 991                     // Some cameras may continue to send events even when they can't reach a server.
 992                     sendOnvifRequest(RequestType.Unsubscribe, subscriptionXAddr);
 993                 }
 994                 // give time for the Unsubscribe request to be sent, shutdownGracefully will try to send it first.
 995                 threadPool.schedule(this::cleanup, 50, TimeUnit.MILLISECONDS);
 996             } else {
 997                 cleanup();
 998             }
 999
1000             isConnected = false;// isConnected is not thread safe, connecting.lock() used as fix.
1001         } finally {
1002             connecting.unlock();
1003         }
1004     }
1005 }