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   1 /**
   2  * Copyright (c) 2010-2021 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.velux.internal.bridge.slip;
  14
  15 import java.util.Random;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.openhab.binding.velux.internal.bridge.common.RunProductCommand;
  19 import org.openhab.binding.velux.internal.bridge.slip.utils.KLF200Response;
  20 import org.openhab.binding.velux.internal.bridge.slip.utils.Packet;
  21 import org.openhab.binding.velux.internal.things.VeluxKLFAPI.Command;
  22 import org.openhab.binding.velux.internal.things.VeluxKLFAPI.CommandNumber;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 /**
  27  * Protocol specific bridge communication supported by the Velux bridge:
  28  * <B>Send Command to Actuator</B>
  29  * <P>
  30  * Common Message semantic: Communication with the bridge and (optionally) storing returned information within the class
  31  * itself.
  32  * <P>
  33  * As 3rd level class it defines informations how to send query and receive answer through the
  34  * {@link org.openhab.binding.velux.internal.bridge.VeluxBridgeProvider VeluxBridgeProvider}
  35  * as described by the interface {@link org.openhab.binding.velux.internal.bridge.slip.SlipBridgeCommunicationProtocol
  36  * SlipBridgeCommunicationProtocol}.
  37  * <P>
  38  * Methods in addition to the mentioned interface:
  39  * <UL>
  40  * <LI>{@link #setNodeAndMainParameter} to define the node and intended parameter value.</LI>
  41  * </UL>
  42  *
  43  * @see RunProductCommand
  44  * @see SlipBridgeCommunicationProtocol
  45  *
  46  * @author Guenther Schreiner - Initial contribution.
  47  */
  48 @NonNullByDefault
  49 class SCrunProductCommand extends RunProductCommand implements SlipBridgeCommunicationProtocol {
  50     private final Logger logger = LoggerFactory.getLogger(SCrunProductCommand.class);
  51
  52     private static final String DESCRIPTION = "Send Command to Actuator";
  53     private static final Command COMMAND = Command.GW_COMMAND_SEND_REQ;
  54
  55     /*
  56      * ===========================================================
  57      * Message Content Parameters
  58      */
  59
  60     private int reqSessionID = 0;
  61     private int reqCommandOriginator = 8; // SAAC
  62     private int reqPriorityLevel = 5; // Comfort Level 2
  63     private int reqParameterActive = 0; // Main Parameter
  64     private int reqFPI1 = 0; // Functional Parameter Indicator 1 set of bits
  65     private int reqFPI2 = 0; // Functional Parameter Indicator 2 set of bits
  66     private int reqMainParameter = 0; // for FunctionalParameterValueArray
  67     private int reqIndexArrayCount = 1; // One node will be addressed
  68     private int reqIndexArray01 = 1; // This is the node
  69     private int reqPriorityLevelLock = 0; // Do not set a new lock on priority level
  70     private int reqPL03 = 0; // unused
  71     private int reqPL47 = 0; // unused
  72     private int reqLockTime = 0; // 30 seconds
  73
  74     /*
  75      * ===========================================================
  76      * Message Objects
  77      */
  78
  79     private byte[] requestData = new byte[0];
  80
  81     /*
  82      * ===========================================================
  83      * Result Objects
  84      */
  85
  86     private boolean success = false;
  87     private boolean finished = false;
  88
  89     /*
  90      * ===========================================================
  91      * Constructor Method
  92      */
  93
  94     public SCrunProductCommand() {
  95         logger.debug("SCgetProduct(Constructor) called.");
  96         Random rand = new Random();
  97         reqSessionID = rand.nextInt(0x0fff);
  98         logger.debug("SCgetProduct(): starting sessions with the random number {}.", reqSessionID);
  99     }
 100
 101     /*
 102      * ===========================================================
 103      * Methods required for interface {@link BridgeCommunicationProtocol}.
 104      */
 105
 106     @Override
 107     public String name() {
 108         return DESCRIPTION;
 109     }
 110
 111     @Override
 112     public CommandNumber getRequestCommand() {
 113         success = false;
 114         finished = false;
 115         logger.debug("getRequestCommand() returns {}.", COMMAND.getCommand());
 116         return COMMAND.getCommand();
 117     }
 118
 119     @Override
 120     public byte[] getRequestDataAsArrayOfBytes() {
 121         Packet request = new Packet(new byte[66]);
 122         reqSessionID = (reqSessionID + 1) & 0xffff;
 123         request.setTwoByteValue(0, reqSessionID);
 124         request.setOneByteValue(2, reqCommandOriginator);
 125         request.setOneByteValue(3, reqPriorityLevel);
 126         request.setOneByteValue(4, reqParameterActive);
 127         request.setOneByteValue(5, reqFPI1);
 128         request.setOneByteValue(6, reqFPI2);
 129         request.setTwoByteValue(7, reqMainParameter);
 130         request.setOneByteValue(41, reqIndexArrayCount);
 131         request.setOneByteValue(42, reqIndexArray01);
 132         request.setOneByteValue(62, reqPriorityLevelLock);
 133         request.setOneByteValue(63, reqPL03);
 134         request.setOneByteValue(64, reqPL47);
 135         request.setOneByteValue(65, reqLockTime);
 136         logger.trace("getRequestDataAsArrayOfBytes(): ntfSessionID={}.", reqSessionID);
 137         logger.trace("getRequestDataAsArrayOfBytes(): reqCommandOriginator={}.", reqCommandOriginator);
 138         logger.trace("getRequestDataAsArrayOfBytes(): reqPriorityLevel={}.", reqPriorityLevel);
 139         logger.trace("getRequestDataAsArrayOfBytes(): reqParameterActive={}.", reqParameterActive);
 140         logger.trace("getRequestDataAsArrayOfBytes(): reqFPI1={}.", reqFPI1);
 141         logger.trace("getRequestDataAsArrayOfBytes(): reqFPI2={}.", reqFPI2);
 142         logger.trace("getRequestDataAsArrayOfBytes(): reqMainParameter={}.", reqMainParameter);
 143         logger.trace("getRequestDataAsArrayOfBytes(): reqIndexArrayCount={}.", reqIndexArrayCount);
 144         logger.trace("getRequestDataAsArrayOfBytes(): reqIndexArray01={}.", reqIndexArray01);
 145         logger.trace("getRequestDataAsArrayOfBytes(): reqPriorityLevelLock={}.", reqPriorityLevelLock);
 146         logger.trace("getRequestDataAsArrayOfBytes(): reqPL03={}.", reqPL03);
 147         logger.trace("getRequestDataAsArrayOfBytes(): reqPL47={}.", reqPL47);
 148         logger.trace("getRequestDataAsArrayOfBytes(): reqLockTime={}.", reqLockTime);
 149         requestData = request.toByteArray();
 150         logger.trace("getRequestDataAsArrayOfBytes() data is {}.", new Packet(requestData).toString());
 151         return requestData;
 152     }
 153
 154     @Override
 155     public void setResponse(short responseCommand, byte[] thisResponseData, boolean isSequentialEnforced) {
 156         KLF200Response.introLogging(logger, responseCommand, thisResponseData);
 157         success = false;
 158         finished = false;
 159         Packet responseData = new Packet(thisResponseData);
 160         switch (Command.get(responseCommand)) {
 161             case GW_COMMAND_SEND_CFM:
 162                 if (!KLF200Response.isLengthValid(logger, responseCommand, thisResponseData, 3)) {
 163                     finished = true;
 164                     break;
 165                 }
 166                 int cfmSessionID = responseData.getTwoByteValue(0);
 167                 int cfmStatus = responseData.getOneByteValue(2);
 168                 switch (cfmStatus) {
 169                     case 0:
 170                         logger.info("setResponse(): returned status: Error – Command rejected.");
 171                         finished = true;
 172                         break;
 173                     case 1:
 174                         logger.debug("setResponse(): returned status: OK - Command is accepted.");
 175                         if (!KLF200Response.check4matchingSessionID(logger, cfmSessionID, reqSessionID)) {
 176                             finished = true;
 177                         } else if (!isSequentialEnforced) {
 178                             logger.trace(
 179                                     "setResponse(): skipping wait for more packets as sequential processing is not enforced.");
 180                             finished = true;
 181                             success = true;
 182                         }
 183                         break;
 184                     default:
 185                         logger.warn("setResponse(): returned status={} (not defined).", cfmStatus);
 186                         finished = true;
 187                         break;
 188                 }
 189                 break;
 190
 191             case GW_COMMAND_RUN_STATUS_NTF:
 192                 if (!KLF200Response.isLengthValid(logger, responseCommand, thisResponseData, 13)) {
 193                     finished = true;
 194                     break;
 195                 }
 196                 int ntfSessionID = responseData.getTwoByteValue(0);
 197                 int ntfStatusiD = responseData.getOneByteValue(2);
 198                 int ntfIndex = responseData.getOneByteValue(3);
 199                 int ntfNodeParameter = responseData.getOneByteValue(4);
 200                 int ntfParameterValue = responseData.getTwoByteValue(5);
 201                 int ntfRunStatus = responseData.getOneByteValue(7);
 202                 int ntfStatusReply = responseData.getOneByteValue(8);
 203                 int ntfInformationCode = responseData.getFourByteValue(9);
 204                 // Extracting information items
 205                 logger.debug("setResponse(): ntfSessionID={} (requested {}).", ntfSessionID, reqSessionID);
 206                 logger.debug("setResponse(): ntfStatusiD={}.", ntfStatusiD);
 207                 logger.debug("setResponse(): ntfIndex={}.", ntfIndex);
 208                 logger.debug("setResponse(): ntfNodeParameter={}.", ntfNodeParameter);
 209                 logger.debug("setResponse(): ntfParameterValue={}.", ntfParameterValue);
 210                 logger.debug("setResponse(): ntfRunStatus={}.", ntfRunStatus);
 211                 logger.debug("setResponse(): ntfStatusReply={}.", ntfStatusReply);
 212                 logger.debug("setResponse(): ntfInformationCode={}.", ntfInformationCode);
 213
 214                 if (!KLF200Response.check4matchingSessionID(logger, ntfSessionID, reqSessionID)) {
 215                     finished = true;
 216                 }
 217                 switch (ntfRunStatus) {
 218                     case 0:
 219                         logger.debug("setResponse(): returned ntfRunStatus: EXECUTION_COMPLETED.");
 220                         success = true;
 221                         break;
 222                     case 1:
 223                         logger.info("setResponse(): returned ntfRunStatus: EXECUTION_FAILED.");
 224                         finished = true;
 225                         break;
 226                     case 2:
 227                         logger.debug("setResponse(): returned ntfRunStatus: EXECUTION_ACTIVE.");
 228                         break;
 229                     default:
 230                         logger.warn("setResponse(): returned ntfRunStatus={} (not defined).", ntfRunStatus);
 231                         finished = true;
 232                         break;
 233                 }
 234                 if (!isSequentialEnforced) {
 235                     logger.trace(
 236                             "setResponse(): skipping wait for more packets as sequential processing is not enforced.");
 237                     success = true;
 238                     finished = true;
 239                 }
 240                 break;
 241
 242             case GW_COMMAND_REMAINING_TIME_NTF:
 243                 if (!KLF200Response.isLengthValid(logger, responseCommand, thisResponseData, 6)) {
 244                     finished = true;
 245                     break;
 246                 }
 247                 int timeNtfSessionID = responseData.getTwoByteValue(0);
 248                 int timeNtfIndex = responseData.getOneByteValue(2);
 249                 int timeNtfNodeParameter = responseData.getOneByteValue(3);
 250                 int timeNtfSeconds = responseData.getTwoByteValue(4);
 251
 252                 if (!KLF200Response.check4matchingSessionID(logger, timeNtfSessionID, reqSessionID)) {
 253                     finished = true;
 254                 }
 255
 256                 // Extracting information items
 257                 logger.debug("setResponse(): timeNtfSessionID={}.", timeNtfSessionID);
 258                 logger.debug("setResponse(): timeNtfIndex={}.", timeNtfIndex);
 259                 logger.debug("setResponse(): timeNtfNodeParameter={}.", timeNtfNodeParameter);
 260                 logger.debug("setResponse(): timeNtfSeconds={}.", timeNtfSeconds);
 261                 if (!isSequentialEnforced) {
 262                     logger.trace(
 263                             "setResponse(): skipping wait for more packets as sequential processing is not enforced.");
 264                     success = true;
 265                     finished = true;
 266                 }
 267                 break;
 268
 269             case GW_SESSION_FINISHED_NTF:
 270                 finished = true;
 271                 if (!KLF200Response.isLengthValid(logger, responseCommand, thisResponseData, 2)) {
 272                     break;
 273                 }
 274                 int finishedNtfSessionID = responseData.getTwoByteValue(0);
 275                 if (!KLF200Response.check4matchingSessionID(logger, finishedNtfSessionID, reqSessionID)) {
 276                     break;
 277                 }
 278                 logger.debug("setResponse(): finishedNtfSessionID={}.", finishedNtfSessionID);
 279                 success = true;
 280                 break;
 281
 282             default:
 283                 KLF200Response.errorLogging(logger, responseCommand);
 284                 finished = true;
 285         }
 286         KLF200Response.outroLogging(logger, success, finished);
 287     }
 288
 289     @Override
 290     public boolean isCommunicationFinished() {
 291         return finished;
 292     }
 293
 294     @Override
 295     public boolean isCommunicationSuccessful() {
 296         return success;
 297     }
 298
 299     /*
 300      * ===========================================================
 301      * Methods in addition to the interface {@link BridgeCommunicationProtocol}
 302      * and the abstract class {@link RunProductCommand}
 303      */
 304
 305     @Override
 306     public SCrunProductCommand setNodeAndMainParameter(int nodeId, int value) {
 307         logger.debug("setNodeAndMainParameter({}) called.", nodeId);
 308         this.reqIndexArray01 = nodeId;
 309         this.reqMainParameter = value;
 310         return this;
 311     }
 312 }