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

   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.ipcamera.internal.onvif;
  14
  15 import static org.openhab.binding.ipcamera.internal.IpCameraBindingConstants.*;
  16
  17 import java.io.UnsupportedEncodingException;
  18 import java.net.InetSocketAddress;
  19 import java.nio.charset.StandardCharsets;
  20 import java.security.MessageDigest;
  21 import java.security.NoSuchAlgorithmException;
  22 import java.text.SimpleDateFormat;
  23 import java.util.ArrayList;
  24 import java.util.Base64;
  25 import java.util.Date;
  26 import java.util.LinkedList;
  27 import java.util.List;
  28 import java.util.Random;
  29 import java.util.TimeZone;
  30 import java.util.concurrent.Executors;
  31 import java.util.concurrent.ScheduledExecutorService;
  32 import java.util.concurrent.TimeUnit;
  33
  34 import org.eclipse.jdt.annotation.NonNullByDefault;
  35 import org.eclipse.jdt.annotation.Nullable;
  36 import org.openhab.binding.ipcamera.internal.Helper;
  37 import org.openhab.binding.ipcamera.internal.handler.IpCameraHandler;
  38 import org.openhab.core.library.types.OnOffType;
  39 import org.openhab.core.thing.ChannelUID;
  40 import org.openhab.core.types.StateOption;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 import io.netty.bootstrap.Bootstrap;
  45 import io.netty.buffer.ByteBuf;
  46 import io.netty.buffer.Unpooled;
  47 import io.netty.channel.Channel;
  48 import io.netty.channel.ChannelFuture;
  49 import io.netty.channel.ChannelFutureListener;
  50 import io.netty.channel.ChannelInitializer;
  51 import io.netty.channel.ChannelOption;
  52 import io.netty.channel.EventLoopGroup;
  53 import io.netty.channel.nio.NioEventLoopGroup;
  54 import io.netty.channel.socket.SocketChannel;
  55 import io.netty.channel.socket.nio.NioSocketChannel;
  56 import io.netty.handler.codec.http.DefaultFullHttpRequest;
  57 import io.netty.handler.codec.http.FullHttpRequest;
  58 import io.netty.handler.codec.http.HttpClientCodec;
  59 import io.netty.handler.codec.http.HttpHeaderValues;
  60 import io.netty.handler.codec.http.HttpMethod;
  61 import io.netty.handler.codec.http.HttpRequest;
  62 import io.netty.handler.codec.http.HttpVersion;
  63 import io.netty.handler.timeout.IdleStateHandler;
  64
  65 /**
  66  * The {@link OnvifConnection} This is a basic Netty implementation for connecting and communicating to ONVIF cameras.
  67  *
  68  *
  69  *
  70  * @author Matthew Skinner - Initial contribution
  71  */
  72
  73 @NonNullByDefault
  74 public class OnvifConnection {
  75     public static enum RequestType {
  76         AbsoluteMove,
  77         AddPTZConfiguration,
  78         ContinuousMoveLeft,
  79         ContinuousMoveRight,
  80         ContinuousMoveUp,
  81         ContinuousMoveDown,
  82         Stop,
  83         ContinuousMoveIn,
  84         ContinuousMoveOut,
  85         CreatePullPointSubscription,
  86         GetCapabilities,
  87         GetDeviceInformation,
  88         GetProfiles,
  89         GetServiceCapabilities,
  90         GetSnapshotUri,
  91         GetStreamUri,
  92         GetSystemDateAndTime,
  93         Subscribe,
  94         Unsubscribe,
  95         PullMessages,
  96         GetEventProperties,
  97         RelativeMoveLeft,
  98         RelativeMoveRight,
  99         RelativeMoveUp,
 100         RelativeMoveDown,
 101         RelativeMoveIn,
 102         RelativeMoveOut,
 103         Renew,
 104         GetConfigurations,
 105         GetConfigurationOptions,
 106         GetConfiguration,
 107         SetConfiguration,
 108         GetNodes,
 109         GetStatus,
 110         GotoPreset,
 111         GetPresets
 112     }
 113
 114     private final Logger logger = LoggerFactory.getLogger(getClass());
 115     private ScheduledExecutorService threadPool = Executors.newScheduledThreadPool(2);
 116     private @Nullable Bootstrap bootstrap;
 117     private EventLoopGroup mainEventLoopGroup = new NioEventLoopGroup(2);
 118     private String ipAddress = "";
 119     private String user = "";
 120     private String password = "";
 121     private int onvifPort = 80;
 122     private String deviceXAddr = "http://" + ipAddress + "/onvif/device_service";
 123     private String eventXAddr = "http://" + ipAddress + "/onvif/device_service";
 124     private String mediaXAddr = "http://" + ipAddress + "/onvif/device_service";
 125     @SuppressWarnings("unused")
 126     private String imagingXAddr = "http://" + ipAddress + "/onvif/device_service";
 127     private String ptzXAddr = "http://" + ipAddress + "/onvif/ptz_service";
 128     private String subscriptionXAddr = "http://" + ipAddress + "/onvif/device_service";
 129     private boolean isConnected = false;
 130     private int mediaProfileIndex = 0;
 131     private String snapshotUri = "";
 132     private String rtspUri = "";
 133     private IpCameraHandler ipCameraHandler;
 134     private boolean usingEvents = false;
 135
 136     // These hold the cameras PTZ position in the range that the camera uses, ie
 137     // mine is -1 to +1
 138     private Float panRangeMin = -1.0f;
 139     private Float panRangeMax = 1.0f;
 140     private Float tiltRangeMin = -1.0f;
 141     private Float tiltRangeMax = 1.0f;
 142     private Float zoomMin = 0.0f;
 143     private Float zoomMax = 1.0f;
 144     // These hold the PTZ values for updating Openhabs controls in 0-100 range
 145     private Float currentPanPercentage = 0.0f;
 146     private Float currentTiltPercentage = 0.0f;
 147     private Float currentZoomPercentage = 0.0f;
 148     private Float currentPanCamValue = 0.0f;
 149     private Float currentTiltCamValue = 0.0f;
 150     private Float currentZoomCamValue = 0.0f;
 151     private String ptzNodeToken = "000";
 152     private String ptzConfigToken = "000";
 153     private int presetTokenIndex = 0;
 154     private List<String> presetTokens = new LinkedList<>();
 155     private List<String> presetNames = new LinkedList<>();
 156     private List<String> mediaProfileTokens = new LinkedList<>();
 157     private boolean ptzDevice = true;
 158
 159     public OnvifConnection(IpCameraHandler ipCameraHandler, String ipAddress, String user, String password) {
 160         this.ipCameraHandler = ipCameraHandler;
 161         if (!ipAddress.isEmpty()) {
 162             this.user = user;
 163             this.password = password;
 164             getIPandPortFromUrl(ipAddress);
 165         }
 166     }
 167
 168     private String getXml(RequestType requestType) {
 169         try {
 170             switch (requestType) {
 171                 case AbsoluteMove:
 172                     return "<AbsoluteMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 173                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken><Position><PanTilt x=\""
 174                             + currentPanCamValue + "\" y=\"" + currentTiltCamValue
 175                             + "\" space=\"http://www.onvif.org/ver10/tptz/PanTiltSpaces/PositionGenericSpace\">\n"
 176                             + "</PanTilt>\n" + "<Zoom x=\"" + currentZoomCamValue
 177                             + "\" space=\"http://www.onvif.org/ver10/tptz/ZoomSpaces/PositionGenericSpace\">\n"
 178                             + "</Zoom>\n" + "</Position>\n"
 179                             + "<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"
 180                             + "</Speed></AbsoluteMove>";
 181                 case AddPTZConfiguration: // not tested to work yet
 182                     return "<AddPTZConfiguration xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 183                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken><ConfigurationToken>"
 184                             + ptzConfigToken + "</ConfigurationToken></AddPTZConfiguration>";
 185                 case ContinuousMoveLeft:
 186                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 187                             + mediaProfileTokens.get(mediaProfileIndex)
 188                             + "</ProfileToken><Velocity><PanTilt x=\"-0.5\" y=\"0\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 189                 case ContinuousMoveRight:
 190                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 191                             + mediaProfileTokens.get(mediaProfileIndex)
 192                             + "</ProfileToken><Velocity><PanTilt x=\"0.5\" y=\"0\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 193                 case ContinuousMoveUp:
 194                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 195                             + mediaProfileTokens.get(mediaProfileIndex)
 196                             + "</ProfileToken><Velocity><PanTilt x=\"0\" y=\"-0.5\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 197                 case ContinuousMoveDown:
 198                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 199                             + mediaProfileTokens.get(mediaProfileIndex)
 200                             + "</ProfileToken><Velocity><PanTilt x=\"0\" y=\"0.5\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 201                 case Stop:
 202                     return "<Stop xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 203                             + mediaProfileTokens.get(mediaProfileIndex)
 204                             + "</ProfileToken><PanTilt>true</PanTilt><Zoom>true</Zoom></Stop>";
 205                 case ContinuousMoveIn:
 206                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 207                             + mediaProfileTokens.get(mediaProfileIndex)
 208                             + "</ProfileToken><Velocity><Zoom x=\"0.5\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 209                 case ContinuousMoveOut:
 210                     return "<ContinuousMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 211                             + mediaProfileTokens.get(mediaProfileIndex)
 212                             + "</ProfileToken><Velocity><Zoom x=\"-0.5\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Velocity></ContinuousMove>";
 213                 case CreatePullPointSubscription:
 214                     return "<CreatePullPointSubscription xmlns=\"http://www.onvif.org/ver10/events/wsdl\"><InitialTerminationTime>PT600S</InitialTerminationTime></CreatePullPointSubscription>";
 215                 case GetCapabilities:
 216                     return "<GetCapabilities xmlns=\"http://www.onvif.org/ver10/device/wsdl\"><Category>All</Category></GetCapabilities>";
 217
 218                 case GetDeviceInformation:
 219                     return "<GetDeviceInformation xmlns=\"http://www.onvif.org/ver10/device/wsdl\"/>";
 220                 case GetProfiles:
 221                     return "<GetProfiles xmlns=\"http://www.onvif.org/ver10/media/wsdl\"/>";
 222                 case GetServiceCapabilities:
 223                     return "<GetServiceCapabilities xmlns=\"http://docs.oasis-open.org/wsn/b-2/\"></GetServiceCapabilities>";
 224                 case GetSnapshotUri:
 225                     return "<GetSnapshotUri xmlns=\"http://www.onvif.org/ver10/media/wsdl\"><ProfileToken>"
 226                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken></GetSnapshotUri>";
 227                 case GetStreamUri:
 228                     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>"
 229                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken></GetStreamUri>";
 230                 case GetSystemDateAndTime:
 231                     return "<GetSystemDateAndTime xmlns=\"http://www.onvif.org/ver10/device/wsdl\"/>";
 232                 case Subscribe:
 233                     return "<Subscribe xmlns=\"http://docs.oasis-open.org/wsn/b-2/\"><ConsumerReference><Address>http://"
 234                             + ipCameraHandler.hostIp + ":" + SERVLET_PORT + "/ipcamera/"
 235                             + ipCameraHandler.getThing().getUID().getId()
 236                             + "/OnvifEvent</Address></ConsumerReference></Subscribe>";
 237                 case Unsubscribe:
 238                     return "<Unsubscribe xmlns=\"http://docs.oasis-open.org/wsn/b-2/\"></Unsubscribe>";
 239                 case PullMessages:
 240                     return "<PullMessages xmlns=\"http://www.onvif.org/ver10/events/wsdl\"><Timeout>PT8S</Timeout><MessageLimit>1</MessageLimit></PullMessages>";
 241                 case GetEventProperties:
 242                     return "<GetEventProperties xmlns=\"http://www.onvif.org/ver10/events/wsdl\"/>";
 243                 case RelativeMoveLeft:
 244                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 245                             + mediaProfileTokens.get(mediaProfileIndex)
 246                             + "</ProfileToken><Translation><PanTilt x=\"0.05000000\" y=\"0\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 247                 case RelativeMoveRight:
 248                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 249                             + mediaProfileTokens.get(mediaProfileIndex)
 250                             + "</ProfileToken><Translation><PanTilt x=\"-0.05000000\" y=\"0\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 251                 case RelativeMoveUp:
 252                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 253                             + mediaProfileTokens.get(mediaProfileIndex)
 254                             + "</ProfileToken><Translation><PanTilt x=\"0\" y=\"0.100000000\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 255                 case RelativeMoveDown:
 256                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 257                             + mediaProfileTokens.get(mediaProfileIndex)
 258                             + "</ProfileToken><Translation><PanTilt x=\"0\" y=\"-0.100000000\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 259                 case RelativeMoveIn:
 260                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 261                             + mediaProfileTokens.get(mediaProfileIndex)
 262                             + "</ProfileToken><Translation><Zoom x=\"0.0240506344\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 263                 case RelativeMoveOut:
 264                     return "<RelativeMove xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 265                             + mediaProfileTokens.get(mediaProfileIndex)
 266                             + "</ProfileToken><Translation><Zoom x=\"-0.0240506344\" xmlns=\"http://www.onvif.org/ver10/schema\"/></Translation></RelativeMove>";
 267                 case Renew:
 268                     return "<Renew xmlns=\"http://docs.oasis-open.org/wsn/b-2\"><TerminationTime>PT1M</TerminationTime></Renew>";
 269                 case GetConfigurations:
 270                     return "<GetConfigurations xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"></GetConfigurations>";
 271                 case GetConfigurationOptions:
 272                     return "<GetConfigurationOptions xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ConfigurationToken>"
 273                             + ptzConfigToken + "</ConfigurationToken></GetConfigurationOptions>";
 274                 case GetConfiguration:
 275                     return "<GetConfiguration xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><PTZConfigurationToken>"
 276                             + ptzConfigToken + "</PTZConfigurationToken></GetConfiguration>";
 277                 case SetConfiguration:// not tested to work yet
 278                     return "<SetConfiguration xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><PTZConfiguration><NodeToken>"
 279                             + ptzNodeToken
 280                             + "</NodeToken><DefaultAbsolutePantTiltPositionSpace>AbsolutePanTiltPositionSpace</DefaultAbsolutePantTiltPositionSpace><DefaultAbsoluteZoomPositionSpace>AbsoluteZoomPositionSpace</DefaultAbsoluteZoomPositionSpace></PTZConfiguration></SetConfiguration>";
 281                 case GetNodes:
 282                     return "<GetNodes xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"></GetNodes>";
 283                 case GetStatus:
 284                     return "<GetStatus xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 285                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken></GetStatus>";
 286                 case GotoPreset:
 287                     return "<GotoPreset xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 288                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken><PresetToken>"
 289                             + presetTokens.get(presetTokenIndex) + "</PresetToken></GotoPreset>";
 290                 case GetPresets:
 291                     return "<GetPresets xmlns=\"http://www.onvif.org/ver20/ptz/wsdl\"><ProfileToken>"
 292                             + mediaProfileTokens.get(mediaProfileIndex) + "</ProfileToken></GetPresets>";
 293             }
 294         } catch (IndexOutOfBoundsException e) {
 295             if (!isConnected) {
 296                 logger.debug("IndexOutOfBoundsException occured, camera is not connected via ONVIF: {}",
 297                         e.getMessage());
 298             } else {
 299                 logger.debug("IndexOutOfBoundsException occured, {}", e.getMessage());
 300             }
 301         }
 302         return "notfound";
 303     }
 304
 305     public void processReply(String message) {
 306         logger.trace("Onvif reply is:{}", message);
 307         if (message.contains("PullMessagesResponse")) {
 308             eventRecieved(message);
 309         } else if (message.contains("RenewResponse")) {
 310             sendOnvifRequest(requestBuilder(RequestType.PullMessages, subscriptionXAddr));
 311         } else if (message.contains("GetSystemDateAndTimeResponse")) {// 1st to be sent.
 312             isConnected = true;
 313             sendOnvifRequest(requestBuilder(RequestType.GetCapabilities, deviceXAddr));
 314             parseDateAndTime(message);
 315             logger.debug("Openhabs UTC dateTime is:{}", getUTCdateTime());
 316         } else if (message.contains("GetCapabilitiesResponse")) {// 2nd to be sent.
 317             parseXAddr(message);
 318             sendOnvifRequest(requestBuilder(RequestType.GetProfiles, mediaXAddr));
 319         } else if (message.contains("GetProfilesResponse")) {// 3rd to be sent.
 320             parseProfiles(message);
 321             sendOnvifRequest(requestBuilder(RequestType.GetSnapshotUri, mediaXAddr));
 322             sendOnvifRequest(requestBuilder(RequestType.GetStreamUri, mediaXAddr));
 323             if (ptzDevice) {
 324                 sendPTZRequest(RequestType.GetNodes);
 325             }
 326             if (usingEvents) {// stops API cameras from getting sent ONVIF events.
 327                 sendOnvifRequest(requestBuilder(RequestType.GetEventProperties, eventXAddr));
 328                 sendOnvifRequest(requestBuilder(RequestType.GetServiceCapabilities, eventXAddr));
 329             }
 330         } else if (message.contains("GetServiceCapabilitiesResponse")) {
 331             if (message.contains("WSSubscriptionPolicySupport=\"true\"")) {
 332                 sendOnvifRequest(requestBuilder(RequestType.Subscribe, eventXAddr));
 333             }
 334         } else if (message.contains("GetEventPropertiesResponse")) {
 335             sendOnvifRequest(requestBuilder(RequestType.CreatePullPointSubscription, eventXAddr));
 336         } else if (message.contains("CreatePullPointSubscriptionResponse")) {
 337             subscriptionXAddr = Helper.fetchXML(message, "SubscriptionReference>", "Address>");
 338             logger.debug("subscriptionXAddr={}", subscriptionXAddr);
 339             sendOnvifRequest(requestBuilder(RequestType.PullMessages, subscriptionXAddr));
 340         } else if (message.contains("GetStatusResponse")) {
 341             processPTZLocation(message);
 342         } else if (message.contains("GetPresetsResponse")) {
 343             parsePresets(message);
 344         } else if (message.contains("GetConfigurationsResponse")) {
 345             sendPTZRequest(RequestType.GetPresets);
 346             ptzConfigToken = Helper.fetchXML(message, "PTZConfiguration", "token=\"");
 347             logger.debug("ptzConfigToken={}", ptzConfigToken);
 348             sendPTZRequest(RequestType.GetConfigurationOptions);
 349         } else if (message.contains("GetNodesResponse")) {
 350             sendPTZRequest(RequestType.GetStatus);
 351             ptzNodeToken = Helper.fetchXML(message, "", "token=\"");
 352             logger.debug("ptzNodeToken={}", ptzNodeToken);
 353             sendPTZRequest(RequestType.GetConfigurations);
 354         } else if (message.contains("GetDeviceInformationResponse")) {
 355             logger.debug("GetDeviceInformationResponse recieved");
 356         } else if (message.contains("GetSnapshotUriResponse")) {
 357             snapshotUri = removeIPfromUrl(Helper.fetchXML(message, ":MediaUri", ":Uri"));
 358             logger.debug("GetSnapshotUri:{}", snapshotUri);
 359             if (ipCameraHandler.snapshotUri.isEmpty()) {
 360                 ipCameraHandler.snapshotUri = snapshotUri;
 361             }
 362         } else if (message.contains("GetStreamUriResponse")) {
 363             rtspUri = Helper.fetchXML(message, ":MediaUri", ":Uri>");
 364             logger.debug("GetStreamUri:{}", rtspUri);
 365             if (ipCameraHandler.cameraConfig.getFfmpegInput().isEmpty()) {
 366                 ipCameraHandler.rtspUri = rtspUri;
 367             }
 368         }
 369     }
 370
 371     HttpRequest requestBuilder(RequestType requestType, String xAddr) {
 372         logger.trace("Sending ONVIF request:{}", requestType);
 373         String security = "";
 374         String extraEnvelope = "";
 375         String headerTo = "";
 376         String getXmlCache = getXml(requestType);
 377         if (requestType.equals(RequestType.CreatePullPointSubscription) || requestType.equals(RequestType.PullMessages)
 378                 || requestType.equals(RequestType.Renew) || requestType.equals(RequestType.Unsubscribe)) {
 379             headerTo = "<a:To s:mustUnderstand=\"1\">" + xAddr + "</a:To>";
 380             extraEnvelope = " xmlns:a=\"http://www.w3.org/2005/08/addressing\"";
 381         }
 382         String headers;
 383         if (!password.isEmpty() && !requestType.equals(RequestType.GetSystemDateAndTime)) {
 384             String nonce = createNonce();
 385             String dateTime = getUTCdateTime();
 386             String digest = createDigest(nonce, dateTime);
 387             security = "<Security s:mustUnderstand=\"1\" xmlns=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd\"><UsernameToken><Username>"
 388                     + user
 389                     + "</Username><Password Type=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordDigest\">"
 390                     + digest
 391                     + "</Password><Nonce EncodingType=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary\">"
 392                     + encodeBase64(nonce)
 393                     + "</Nonce><Created xmlns=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd\">"
 394                     + dateTime + "</Created></UsernameToken></Security>";
 395             headers = "<s:Header>" + security + headerTo + "</s:Header>";
 396         } else {// GetSystemDateAndTime must not be password protected as per spec.
 397             headers = "";
 398         }
 399         FullHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, new HttpMethod("POST"),
 400                 removeIPfromUrl(xAddr));
 401         String actionString = Helper.fetchXML(getXmlCache, requestType.toString(), "xmlns=\"");
 402         request.headers().add("Content-Type",
 403                 "application/soap+xml; charset=utf-8; action=\"" + actionString + "/" + requestType + "\"");
 404         request.headers().add("Charset", "utf-8");
 405         request.headers().set("Host", extractIPportFromUrl(xAddr));
 406         request.headers().set("Connection", HttpHeaderValues.CLOSE);
 407         request.headers().set("Accept-Encoding", "gzip, deflate");
 408         String fullXml = "<s:Envelope xmlns:s=\"http://www.w3.org/2003/05/soap-envelope\"" + extraEnvelope + ">"
 409                 + headers
 410                 + "<s:Body xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">"
 411                 + getXmlCache + "</s:Body></s:Envelope>";
 412         request.headers().add("SOAPAction", "\"" + actionString + "/" + requestType + "\"");
 413         ByteBuf bbuf = Unpooled.copiedBuffer(fullXml, StandardCharsets.UTF_8);
 414         request.headers().set("Content-Length", bbuf.readableBytes());
 415         request.content().clear().writeBytes(bbuf);
 416         return request;
 417     }
 418
 419     /**
 420      * The {@link removeIPfromUrl} Will throw away all text before the cameras IP, also removes the IP and the PORT
 421      * leaving just the URL.
 422      *
 423      * @author Matthew Skinner - Initial contribution
 424      */
 425     String removeIPfromUrl(String url) {
 426         int index = url.indexOf("//");
 427         if (index != -1) {// now remove the :port
 428             index = url.indexOf("/", index + 2);
 429         }
 430         if (index == -1) {
 431             logger.debug("We hit an issue parsing url:{}", url);
 432             return "";
 433         }
 434         return url.substring(index);
 435     }
 436
 437     String extractIPportFromUrl(String url) {
 438         int startIndex = url.indexOf("//") + 2;
 439         int endIndex = url.indexOf("/", startIndex);// skip past any :port to the slash /
 440         if (startIndex != -1 && endIndex != -1) {
 441             return url.substring(startIndex, endIndex);
 442         }
 443         logger.debug("We hit an issue extracting IP:PORT from url:{}", url);
 444         return "";
 445     }
 446
 447     void parseXAddr(String message) {
 448         // Normally I would search '<tt:XAddr>' instead but Foscam needed this work around.
 449         String temp = Helper.fetchXML(message, "<tt:Device", "tt:XAddr");
 450         if (!temp.isEmpty()) {
 451             deviceXAddr = temp;
 452             logger.debug("deviceXAddr:{}", deviceXAddr);
 453         }
 454         temp = Helper.fetchXML(message, "<tt:Events", "tt:XAddr");
 455         if (!temp.isEmpty()) {
 456             subscriptionXAddr = eventXAddr = temp;
 457             logger.debug("eventsXAddr:{}", eventXAddr);
 458         }
 459         temp = Helper.fetchXML(message, "<tt:Media", "tt:XAddr");
 460         if (!temp.isEmpty()) {
 461             mediaXAddr = temp;
 462             logger.debug("mediaXAddr:{}", mediaXAddr);
 463         }
 464
 465         ptzXAddr = Helper.fetchXML(message, "<tt:PTZ", "tt:XAddr");
 466         if (ptzXAddr.isEmpty()) {
 467             ptzDevice = false;
 468             logger.trace("Camera must not support PTZ, it failed to give a <tt:PTZ><tt:XAddr>:{}", message);
 469         } else {
 470             logger.debug("ptzXAddr:{}", ptzXAddr);
 471         }
 472     }
 473
 474     private void parseDateAndTime(String message) {
 475         String minute = Helper.fetchXML(message, "UTCDateTime", "Minute>");
 476         String hour = Helper.fetchXML(message, "UTCDateTime", "Hour>");
 477         String second = Helper.fetchXML(message, "UTCDateTime", "Second>");
 478         String day = Helper.fetchXML(message, "UTCDateTime", "Day>");
 479         String month = Helper.fetchXML(message, "UTCDateTime", "Month>");
 480         String year = Helper.fetchXML(message, "UTCDateTime", "Year>");
 481         logger.debug("Cameras  UTC dateTime is:{}-{}-{}T{}:{}:{}", year, month, day, hour, minute, second);
 482     }
 483
 484     private String getUTCdateTime() {
 485         SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
 486         format.setTimeZone(TimeZone.getTimeZone("UTC"));
 487         return format.format(new Date());
 488     }
 489
 490     String createNonce() {
 491         Random nonce = new Random();
 492         return "" + nonce.nextInt();
 493     }
 494
 495     String encodeBase64(String raw) {
 496         return Base64.getEncoder().encodeToString(raw.getBytes());
 497     }
 498
 499     String createDigest(String nOnce, String dateTime) {
 500         String beforeEncryption = nOnce + dateTime + password;
 501         MessageDigest msgDigest;
 502         byte[] encryptedRaw = null;
 503         try {
 504             msgDigest = MessageDigest.getInstance("SHA-1");
 505             msgDigest.reset();
 506             msgDigest.update(beforeEncryption.getBytes("utf8"));
 507             encryptedRaw = msgDigest.digest();
 508         } catch (NoSuchAlgorithmException e) {
 509         } catch (UnsupportedEncodingException e) {
 510         }
 511         return Base64.getEncoder().encodeToString(encryptedRaw);
 512     }
 513
 514     @SuppressWarnings("null")
 515     public void sendOnvifRequest(HttpRequest request) {
 516         if (bootstrap == null) {
 517             bootstrap = new Bootstrap();
 518             bootstrap.group(mainEventLoopGroup);
 519             bootstrap.channel(NioSocketChannel.class);
 520             bootstrap.option(ChannelOption.SO_KEEPALIVE, true);
 521             bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000);
 522             bootstrap.option(ChannelOption.SO_SNDBUF, 1024 * 8);
 523             bootstrap.option(ChannelOption.SO_RCVBUF, 1024 * 1024);
 524             bootstrap.option(ChannelOption.TCP_NODELAY, true);
 525             bootstrap.handler(new ChannelInitializer<SocketChannel>() {
 526
 527                 @Override
 528                 public void initChannel(SocketChannel socketChannel) throws Exception {
 529                     socketChannel.pipeline().addLast("idleStateHandler", new IdleStateHandler(0, 0, 70));
 530                     socketChannel.pipeline().addLast("HttpClientCodec", new HttpClientCodec());
 531                     socketChannel.pipeline().addLast("OnvifCodec", new OnvifCodec(getHandle()));
 532                 }
 533             });
 534         }
 535         bootstrap.connect(new InetSocketAddress(ipAddress, onvifPort)).addListener(new ChannelFutureListener() {
 536
 537             @Override
 538             public void operationComplete(@Nullable ChannelFuture future) {
 539                 if (future == null) {
 540                     return;
 541                 }
 542                 if (future.isDone() && future.isSuccess()) {
 543                     Channel ch = future.channel();
 544                     ch.writeAndFlush(request);
 545                 } else { // an error occured
 546                     logger.debug("Camera is not reachable on ONVIF port:{} or the port may be wrong.", onvifPort);
 547                     if (isConnected) {
 548                         disconnect();
 549                     }
 550                 }
 551             }
 552         });
 553     }
 554
 555     OnvifConnection getHandle() {
 556         return this;
 557     }
 558
 559     void getIPandPortFromUrl(String url) {
 560         int beginIndex = url.indexOf(":");
 561         int endIndex = url.indexOf("/", beginIndex);
 562         if (beginIndex >= 0 && endIndex == -1) {// 192.168.1.1:8080
 563             ipAddress = url.substring(0, beginIndex);
 564             onvifPort = Integer.parseInt(url.substring(beginIndex + 1));
 565         } else if (beginIndex >= 0 && endIndex > beginIndex) {// 192.168.1.1:8080/foo/bar
 566             ipAddress = url.substring(0, beginIndex);
 567             onvifPort = Integer.parseInt(url.substring(beginIndex + 1, endIndex));
 568         } else {// 192.168.1.1
 569             ipAddress = url;
 570             logger.debug("No Onvif Port found when parsing:{}", url);
 571         }
 572     }
 573
 574     public void gotoPreset(int index) {
 575         if (ptzDevice) {
 576             if (index > 0) {// 0 is reserved for HOME as cameras seem to start at preset 1.
 577                 if (presetTokens.isEmpty()) {
 578                     logger.warn("Camera did not report any ONVIF preset locations, updating preset tokens now.");
 579                     sendPTZRequest(RequestType.GetPresets);
 580                 } else {
 581                     presetTokenIndex = index - 1;
 582                     sendPTZRequest(RequestType.GotoPreset);
 583                 }
 584             }
 585         }
 586     }
 587
 588     public void eventRecieved(String eventMessage) {
 589         String topic = Helper.fetchXML(eventMessage, "Topic", "tns1:");
 590         String dataName = Helper.fetchXML(eventMessage, "tt:Data", "Name=\"");
 591         String dataValue = Helper.fetchXML(eventMessage, "tt:Data", "Value=\"");
 592         if (!topic.isEmpty()) {
 593             logger.debug("Onvif Event Topic:{}, Data:{}, Value:{}", topic, dataName, dataValue);
 594         }
 595         switch (topic) {
 596             case "RuleEngine/CellMotionDetector/Motion":
 597                 if ("true".equals(dataValue)) {
 598                     ipCameraHandler.motionDetected(CHANNEL_CELL_MOTION_ALARM);
 599                 } else if ("false".equals(dataValue)) {
 600                     ipCameraHandler.noMotionDetected(CHANNEL_CELL_MOTION_ALARM);
 601                 }
 602                 break;
 603             case "VideoSource/MotionAlarm":
 604                 if ("true".equals(dataValue)) {
 605                     ipCameraHandler.motionDetected(CHANNEL_MOTION_ALARM);
 606                 } else if ("false".equals(dataValue)) {
 607                     ipCameraHandler.noMotionDetected(CHANNEL_MOTION_ALARM);
 608                 }
 609                 break;
 610             case "AudioAnalytics/Audio/DetectedSound":
 611                 if ("true".equals(dataValue)) {
 612                     ipCameraHandler.audioDetected();
 613                 } else if ("false".equals(dataValue)) {
 614                     ipCameraHandler.noAudioDetected();
 615                 }
 616                 break;
 617             case "RuleEngine/FieldDetector/ObjectsInside":
 618                 if ("true".equals(dataValue)) {
 619                     ipCameraHandler.motionDetected(CHANNEL_FIELD_DETECTION_ALARM);
 620                 } else if ("false".equals(dataValue)) {
 621                     ipCameraHandler.noMotionDetected(CHANNEL_FIELD_DETECTION_ALARM);
 622                 }
 623                 break;
 624             case "RuleEngine/LineDetector/Crossed":
 625                 if ("ObjectId".equals(dataName)) {
 626                     ipCameraHandler.motionDetected(CHANNEL_LINE_CROSSING_ALARM);
 627                 } else {
 628                     ipCameraHandler.noMotionDetected(CHANNEL_LINE_CROSSING_ALARM);
 629                 }
 630                 break;
 631             case "RuleEngine/TamperDetector/Tamper":
 632                 if ("true".equals(dataValue)) {
 633                     ipCameraHandler.changeAlarmState(CHANNEL_TAMPER_ALARM, OnOffType.ON);
 634                 } else if ("false".equals(dataValue)) {
 635                     ipCameraHandler.changeAlarmState(CHANNEL_TAMPER_ALARM, OnOffType.OFF);
 636                 }
 637                 break;
 638             case "Device/HardwareFailure/StorageFailure":
 639                 if ("true".equals(dataValue)) {
 640                     ipCameraHandler.changeAlarmState(CHANNEL_STORAGE_ALARM, OnOffType.ON);
 641                 } else if ("false".equals(dataValue)) {
 642                     ipCameraHandler.changeAlarmState(CHANNEL_STORAGE_ALARM, OnOffType.OFF);
 643                 }
 644                 break;
 645             case "VideoSource/ImageTooDark/AnalyticsService":
 646             case "VideoSource/ImageTooDark/ImagingService":
 647             case "VideoSource/ImageTooDark/RecordingService":
 648                 if ("true".equals(dataValue)) {
 649                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_DARK_ALARM, OnOffType.ON);
 650                 } else if ("false".equals(dataValue)) {
 651                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_DARK_ALARM, OnOffType.OFF);
 652                 }
 653                 break;
 654             case "VideoSource/GlobalSceneChange/AnalyticsService":
 655             case "VideoSource/GlobalSceneChange/ImagingService":
 656             case "VideoSource/GlobalSceneChange/RecordingService":
 657                 if ("true".equals(dataValue)) {
 658                     ipCameraHandler.changeAlarmState(CHANNEL_SCENE_CHANGE_ALARM, OnOffType.ON);
 659                 } else if ("false".equals(dataValue)) {
 660                     ipCameraHandler.changeAlarmState(CHANNEL_SCENE_CHANGE_ALARM, OnOffType.OFF);
 661                 }
 662                 break;
 663             case "VideoSource/ImageTooBright/AnalyticsService":
 664             case "VideoSource/ImageTooBright/ImagingService":
 665             case "VideoSource/ImageTooBright/RecordingService":
 666                 if ("true".equals(dataValue)) {
 667                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_BRIGHT_ALARM, OnOffType.ON);
 668                 } else if ("false".equals(dataValue)) {
 669                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_BRIGHT_ALARM, OnOffType.OFF);
 670                 }
 671                 break;
 672             case "VideoSource/ImageTooBlurry/AnalyticsService":
 673             case "VideoSource/ImageTooBlurry/ImagingService":
 674             case "VideoSource/ImageTooBlurry/RecordingService":
 675                 if ("true".equals(dataValue)) {
 676                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_BLURRY_ALARM, OnOffType.ON);
 677                 } else if ("false".equals(dataValue)) {
 678                     ipCameraHandler.changeAlarmState(CHANNEL_TOO_BLURRY_ALARM, OnOffType.OFF);
 679                 }
 680                 break;
 681             default:
 682         }
 683         sendOnvifRequest(requestBuilder(RequestType.Renew, subscriptionXAddr));
 684     }
 685
 686     public boolean supportsPTZ() {
 687         return ptzDevice;
 688     }
 689
 690     public void getStatus() {
 691         if (ptzDevice) {
 692             sendPTZRequest(RequestType.GetStatus);
 693         }
 694     }
 695
 696     public Float getAbsolutePan() {
 697         return currentPanPercentage;
 698     }
 699
 700     public Float getAbsoluteTilt() {
 701         return currentTiltPercentage;
 702     }
 703
 704     public Float getAbsoluteZoom() {
 705         return currentZoomPercentage;
 706     }
 707
 708     public void setAbsolutePan(Float panValue) {// Value is 0-100% of cameras range
 709         if (ptzDevice) {
 710             currentPanPercentage = panValue;
 711             currentPanCamValue = ((((panRangeMin - panRangeMax) * -1) / 100) * panValue + panRangeMin);
 712         }
 713     }
 714
 715     public void setAbsoluteTilt(Float tiltValue) {// Value is 0-100% of cameras range
 716         if (ptzDevice) {
 717             currentTiltPercentage = tiltValue;
 718             currentTiltCamValue = ((((panRangeMin - panRangeMax) * -1) / 100) * tiltValue + tiltRangeMin);
 719         }
 720     }
 721
 722     public void setAbsoluteZoom(Float zoomValue) {// Value is 0-100% of cameras range
 723         if (ptzDevice) {
 724             currentZoomPercentage = zoomValue;
 725             currentZoomCamValue = ((((zoomMin - zoomMax) * -1) / 100) * zoomValue + zoomMin);
 726         }
 727     }
 728
 729     public void absoluteMove() { // Camera wont move until PTZ values are set, then call this.
 730         if (ptzDevice) {
 731             sendPTZRequest(RequestType.AbsoluteMove);
 732         }
 733     }
 734
 735     public void setSelectedMediaProfile(int mediaProfileIndex) {
 736         this.mediaProfileIndex = mediaProfileIndex;
 737     }
 738
 739     List<String> listOfResults(String message, String heading, String key) {
 740         List<String> results = new LinkedList<>();
 741         String temp = "";
 742         for (int startLookingFromIndex = 0; startLookingFromIndex != -1;) {
 743             startLookingFromIndex = message.indexOf(heading, startLookingFromIndex);
 744             if (startLookingFromIndex >= 0) {
 745                 temp = Helper.fetchXML(message.substring(startLookingFromIndex), heading, key);
 746                 if (!temp.isEmpty()) {
 747                     logger.trace("String was found:{}", temp);
 748                     results.add(temp);
 749                 } else {
 750                     return results;// key string must not exist so stop looking.
 751                 }
 752                 startLookingFromIndex += temp.length();
 753             }
 754         }
 755         return results;
 756     }
 757
 758     void parsePresets(String message) {
 759         List<StateOption> presets = new ArrayList<>();
 760         int counter = 1;// Presets start at 1 not 0. HOME may be added to index 0.
 761         presetTokens = listOfResults(message, "<tptz:Preset", "token=\"");
 762         presetNames = listOfResults(message, "<tptz:Preset", "<tt:Name>");
 763         if (presetTokens.size() != presetNames.size()) {
 764             logger.warn("Camera did not report the same number of Tokens and Names for PTZ presets");
 765             return;
 766         }
 767         for (String value : presetNames) {
 768             presets.add(new StateOption(Integer.toString(counter++), value));
 769         }
 770         ipCameraHandler.stateDescriptionProvider
 771                 .setStateOptions(new ChannelUID(ipCameraHandler.getThing().getUID(), CHANNEL_GOTO_PRESET), presets);
 772     }
 773
 774     void parseProfiles(String message) {
 775         mediaProfileTokens = listOfResults(message, "<trt:Profiles", "token=\"");
 776         if (mediaProfileIndex >= mediaProfileTokens.size()) {
 777             logger.warn(
 778                     "You have set the media profile to {} when the camera reported {} profiles. Falling back to mainstream 0.",
 779                     mediaProfileIndex, mediaProfileTokens.size());
 780             mediaProfileIndex = 0;
 781         }
 782     }
 783
 784     void processPTZLocation(String result) {
 785         logger.debug("Processing new PTZ location now");
 786
 787         int beginIndex = result.indexOf("x=\"");
 788         int endIndex = result.indexOf("\"", (beginIndex + 3));
 789         if (beginIndex >= 0 && endIndex >= 0) {
 790             currentPanCamValue = Float.parseFloat(result.substring(beginIndex + 3, endIndex));
 791             currentPanPercentage = (((panRangeMin - currentPanCamValue) * -1) / ((panRangeMin - panRangeMax) * -1))
 792                     * 100;
 793             logger.debug("Pan is updating to:{} and the cam value is {}", Math.round(currentPanPercentage),
 794                     currentPanCamValue);
 795         } else {
 796             logger.warn(
 797                     "Binding could not determin the cameras current PTZ location. Not all cameras respond to GetStatus requests.");
 798             return;
 799         }
 800
 801         beginIndex = result.indexOf("y=\"");
 802         endIndex = result.indexOf("\"", (beginIndex + 3));
 803         if (beginIndex >= 0 && endIndex >= 0) {
 804             currentTiltCamValue = Float.parseFloat(result.substring(beginIndex + 3, endIndex));
 805             currentTiltPercentage = (((tiltRangeMin - currentTiltCamValue) * -1) / ((tiltRangeMin - tiltRangeMax) * -1))
 806                     * 100;
 807             logger.debug("Tilt is updating to:{} and the cam value is {}", Math.round(currentTiltPercentage),
 808                     currentTiltCamValue);
 809         } else {
 810             return;
 811         }
 812
 813         beginIndex = result.lastIndexOf("x=\"");
 814         endIndex = result.indexOf("\"", (beginIndex + 3));
 815         if (beginIndex >= 0 && endIndex >= 0) {
 816             currentZoomCamValue = Float.parseFloat(result.substring(beginIndex + 3, endIndex));
 817             currentZoomPercentage = (((zoomMin - currentZoomCamValue) * -1) / ((zoomMin - zoomMax) * -1)) * 100;
 818             logger.debug("Zoom is updating to:{} and the cam value is {}", Math.round(currentZoomPercentage),
 819                     currentZoomCamValue);
 820         } else {
 821             return;
 822         }
 823     }
 824
 825     public void sendPTZRequest(RequestType requestType) {
 826         if (!isConnected) {
 827             logger.debug("ONVIF was not connected when a PTZ request was made, connecting now");
 828             connect(usingEvents);
 829         }
 830         sendOnvifRequest(requestBuilder(requestType, ptzXAddr));
 831     }
 832
 833     public void sendEventRequest(RequestType requestType) {
 834         sendOnvifRequest(requestBuilder(requestType, eventXAddr));
 835     }
 836
 837     public void connect(boolean useEvents) {
 838         if (!isConnected) {
 839             sendOnvifRequest(requestBuilder(RequestType.GetSystemDateAndTime, deviceXAddr));
 840             usingEvents = useEvents;
 841         }
 842     }
 843
 844     public boolean isConnected() {
 845         return isConnected;
 846     }
 847
 848     private void cleanup() {
 849         mainEventLoopGroup.shutdownGracefully();
 850         isConnected = false;
 851         if (!mainEventLoopGroup.isShutdown()) {
 852             try {
 853                 mainEventLoopGroup.awaitTermination(3, TimeUnit.SECONDS);
 854             } catch (InterruptedException e) {
 855                 logger.warn("ONVIF was not cleanly shutdown, due to being interrupted");
 856             } finally {
 857                 logger.debug("Eventloop is shutdown:{}", mainEventLoopGroup.isShutdown());
 858                 bootstrap = null;
 859             }
 860         }
 861         threadPool.shutdown();
 862     }
 863
 864     public void disconnect() {
 865         if (bootstrap != null) {
 866             if (usingEvents && isConnected && !mainEventLoopGroup.isShuttingDown()) {
 867                 // Some cameras may continue to send events even when they can't reach a server.
 868                 sendOnvifRequest(requestBuilder(RequestType.Unsubscribe, subscriptionXAddr));
 869             }
 870             // give time for the Unsubscribe request to be sent to the camera.
 871             threadPool.schedule(this::cleanup, 50, TimeUnit.MILLISECONDS);
 872         } else {
 873             cleanup();
 874         }
 875     }
 876 }