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   1 /**
   2  * Copyright (c) 2010-2023 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.bluetooth.bluegiga.internal;
  14
  15 import java.lang.reflect.Constructor;
  16 import java.lang.reflect.InvocationTargetException;
  17 import java.util.HashMap;
  18 import java.util.Map;
  19 import java.util.Objects;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaAttributeValueEvent;
  24 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaAttributeWriteResponse;
  25 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaExecuteWriteResponse;
  26 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaFindByTypeValueResponse;
  27 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaFindInformationFoundEvent;
  28 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaFindInformationResponse;
  29 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaGroupFoundEvent;
  30 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaIndicateConfirmResponse;
  31 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaIndicatedEvent;
  32 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaPrepareWriteResponse;
  33 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaProcedureCompletedEvent;
  34 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaReadByGroupTypeResponse;
  35 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaReadByHandleResponse;
  36 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaReadByTypeResponse;
  37 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaReadLongResponse;
  38 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaReadMultipleResponse;
  39 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaReadMultipleResponseEvent;
  40 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributeclient.BlueGigaWriteCommandResponse;
  41 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributedb.BlueGigaAttributeStatusEvent;
  42 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributedb.BlueGigaReadResponse;
  43 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributedb.BlueGigaReadTypeResponse;
  44 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributedb.BlueGigaSendAttributesResponse;
  45 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributedb.BlueGigaUserReadRequestEvent;
  46 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributedb.BlueGigaUserReadResponseResponse;
  47 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributedb.BlueGigaUserWriteResponseResponse;
  48 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributedb.BlueGigaValueEvent;
  49 import org.openhab.binding.bluetooth.bluegiga.internal.command.attributedb.BlueGigaWriteResponse;
  50 import org.openhab.binding.bluetooth.bluegiga.internal.command.connection.BlueGigaChannelMapGetResponse;
  51 import org.openhab.binding.bluetooth.bluegiga.internal.command.connection.BlueGigaConnectionStatusEvent;
  52 import org.openhab.binding.bluetooth.bluegiga.internal.command.connection.BlueGigaDisconnectResponse;
  53 import org.openhab.binding.bluetooth.bluegiga.internal.command.connection.BlueGigaDisconnectedEvent;
  54 import org.openhab.binding.bluetooth.bluegiga.internal.command.connection.BlueGigaFeatureIndEvent;
  55 import org.openhab.binding.bluetooth.bluegiga.internal.command.connection.BlueGigaGetRssiResponse;
  56 import org.openhab.binding.bluetooth.bluegiga.internal.command.connection.BlueGigaGetStatusResponse;
  57 import org.openhab.binding.bluetooth.bluegiga.internal.command.connection.BlueGigaUpdateResponse;
  58 import org.openhab.binding.bluetooth.bluegiga.internal.command.connection.BlueGigaVersionIndEvent;
  59 import org.openhab.binding.bluetooth.bluegiga.internal.command.gap.BlueGigaConnectDirectResponse;
  60 import org.openhab.binding.bluetooth.bluegiga.internal.command.gap.BlueGigaConnectSelectiveResponse;
  61 import org.openhab.binding.bluetooth.bluegiga.internal.command.gap.BlueGigaDiscoverResponse;
  62 import org.openhab.binding.bluetooth.bluegiga.internal.command.gap.BlueGigaEndProcedureResponse;
  63 import org.openhab.binding.bluetooth.bluegiga.internal.command.gap.BlueGigaScanResponseEvent;
  64 import org.openhab.binding.bluetooth.bluegiga.internal.command.gap.BlueGigaSetAdvDataResponse;
  65 import org.openhab.binding.bluetooth.bluegiga.internal.command.gap.BlueGigaSetAdvParametersResponse;
  66 import org.openhab.binding.bluetooth.bluegiga.internal.command.gap.BlueGigaSetModeResponse;
  67 import org.openhab.binding.bluetooth.bluegiga.internal.command.gap.BlueGigaSetScanParametersResponse;
  68 import org.openhab.binding.bluetooth.bluegiga.internal.command.security.BlueGigaBondStatusEvent;
  69 import org.openhab.binding.bluetooth.bluegiga.internal.command.security.BlueGigaBondingFailEvent;
  70 import org.openhab.binding.bluetooth.bluegiga.internal.command.security.BlueGigaDeleteBondingResponse;
  71 import org.openhab.binding.bluetooth.bluegiga.internal.command.security.BlueGigaEncryptStartResponse;
  72 import org.openhab.binding.bluetooth.bluegiga.internal.command.security.BlueGigaGetBondsResponse;
  73 import org.openhab.binding.bluetooth.bluegiga.internal.command.security.BlueGigaPassKeyResponse;
  74 import org.openhab.binding.bluetooth.bluegiga.internal.command.security.BlueGigaPasskeyDisplayEvent;
  75 import org.openhab.binding.bluetooth.bluegiga.internal.command.security.BlueGigaPasskeyRequestEvent;
  76 import org.openhab.binding.bluetooth.bluegiga.internal.command.security.BlueGigaSetBondableModeResponse;
  77 import org.openhab.binding.bluetooth.bluegiga.internal.command.security.BlueGigaSetParametersResponse;
  78 import org.openhab.binding.bluetooth.bluegiga.internal.command.security.BlueGigaWhitelistBondsResponse;
  79 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaAddressGetResponse;
  80 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaBootEvent;
  81 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaEndpointWatermarkRxEvent;
  82 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaEndpointWatermarkTxEvent;
  83 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaGetConnectionsResponse;
  84 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaGetCountersResponse;
  85 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaGetInfoResponse;
  86 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaHelloResponse;
  87 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaNoLicenseKeyEvent;
  88 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaProtocolErrorEvent;
  89 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaResetResponse;
  90 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaWhitelistAppendResponse;
  91 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaWhitelistClearResponse;
  92 import org.openhab.binding.bluetooth.bluegiga.internal.command.system.BlueGigaWhitelistRemoveResponse;
  93 import org.slf4j.Logger;
  94 import org.slf4j.LoggerFactory;
  95
  96 /**
  97  * Helper class to create BlueGiga BLE Response and Event packets (i.e. packets that we will receive).
  98  *
  99  * @author Chris Jackson - Initial contribution and API
 100  */
 101 @NonNullByDefault
 102 class BlueGigaResponsePackets {
 103
 104     private static Logger logger = LoggerFactory.getLogger(BlueGigaResponsePackets.class);
 105
 106     private static final Map<Integer, Class<?>> PACKETMAP = new HashMap<>();
 107
 108     static {
 109         PACKETMAP.put(Objects.hash(0x00, 0x06, true), BlueGigaProtocolErrorEvent.class);
 110         PACKETMAP.put(Objects.hash(0x00, 0x02, true), BlueGigaEndpointWatermarkRxEvent.class);
 111         PACKETMAP.put(Objects.hash(0x00, 0x03, true), BlueGigaEndpointWatermarkTxEvent.class);
 112         PACKETMAP.put(Objects.hash(0x00, 0x05, true), BlueGigaNoLicenseKeyEvent.class);
 113         PACKETMAP.put(Objects.hash(0x04, 0x05, false), BlueGigaAttributeWriteResponse.class);
 114         PACKETMAP.put(Objects.hash(0x04, 0x0A, false), BlueGigaExecuteWriteResponse.class);
 115         PACKETMAP.put(Objects.hash(0x04, 0x00, false), BlueGigaFindByTypeValueResponse.class);
 116         PACKETMAP.put(Objects.hash(0x04, 0x03, false), BlueGigaFindInformationResponse.class);
 117         PACKETMAP.put(Objects.hash(0x04, 0x07, false), BlueGigaIndicateConfirmResponse.class);
 118         PACKETMAP.put(Objects.hash(0x04, 0x09, false), BlueGigaPrepareWriteResponse.class);
 119         PACKETMAP.put(Objects.hash(0x04, 0x01, false), BlueGigaReadByGroupTypeResponse.class);
 120         PACKETMAP.put(Objects.hash(0x04, 0x04, false), BlueGigaReadByHandleResponse.class);
 121         PACKETMAP.put(Objects.hash(0x04, 0x02, false), BlueGigaReadByTypeResponse.class);
 122         PACKETMAP.put(Objects.hash(0x04, 0x08, false), BlueGigaReadLongResponse.class);
 123         PACKETMAP.put(Objects.hash(0x04, 0x0B, false), BlueGigaReadMultipleResponse.class);
 124         PACKETMAP.put(Objects.hash(0x04, 0x06, false), BlueGigaWriteCommandResponse.class);
 125         PACKETMAP.put(Objects.hash(0x04, 0x01, true), BlueGigaProcedureCompletedEvent.class);
 126         PACKETMAP.put(Objects.hash(0x04, 0x05, true), BlueGigaAttributeValueEvent.class);
 127         PACKETMAP.put(Objects.hash(0x04, 0x04, true), BlueGigaFindInformationFoundEvent.class);
 128         PACKETMAP.put(Objects.hash(0x04, 0x02, true), BlueGigaGroupFoundEvent.class);
 129         PACKETMAP.put(Objects.hash(0x04, 0x00, true), BlueGigaIndicatedEvent.class);
 130         PACKETMAP.put(Objects.hash(0x04, 0x00, true), BlueGigaReadMultipleResponseEvent.class);
 131         PACKETMAP.put(Objects.hash(0x02, 0x01, false), BlueGigaReadResponse.class);
 132         PACKETMAP.put(Objects.hash(0x02, 0x02, false), BlueGigaReadTypeResponse.class);
 133         PACKETMAP.put(Objects.hash(0x02, 0x02, false), BlueGigaSendAttributesResponse.class);
 134         PACKETMAP.put(Objects.hash(0x02, 0x03, false), BlueGigaUserReadResponseResponse.class);
 135         PACKETMAP.put(Objects.hash(0x02, 0x04, false), BlueGigaUserWriteResponseResponse.class);
 136         PACKETMAP.put(Objects.hash(0x02, 0x00, false), BlueGigaWriteResponse.class);
 137         PACKETMAP.put(Objects.hash(0x02, 0x02, true), BlueGigaAttributeStatusEvent.class);
 138         PACKETMAP.put(Objects.hash(0x02, 0x01, true), BlueGigaUserReadRequestEvent.class);
 139         PACKETMAP.put(Objects.hash(0x02, 0x00, true), BlueGigaValueEvent.class);
 140         PACKETMAP.put(Objects.hash(0x03, 0x04, false), BlueGigaChannelMapGetResponse.class);
 141         PACKETMAP.put(Objects.hash(0x03, 0x00, false), BlueGigaDisconnectResponse.class);
 142         PACKETMAP.put(Objects.hash(0x03, 0x01, false), BlueGigaGetRssiResponse.class);
 143         PACKETMAP.put(Objects.hash(0x03, 0x07, false), BlueGigaGetStatusResponse.class);
 144         PACKETMAP.put(Objects.hash(0x03, 0x02, false), BlueGigaUpdateResponse.class);
 145         PACKETMAP.put(Objects.hash(0x03, 0x04, true), BlueGigaDisconnectedEvent.class);
 146         PACKETMAP.put(Objects.hash(0x03, 0x02, true), BlueGigaFeatureIndEvent.class);
 147         PACKETMAP.put(Objects.hash(0x03, 0x00, true), BlueGigaConnectionStatusEvent.class);
 148         PACKETMAP.put(Objects.hash(0x03, 0x01, true), BlueGigaVersionIndEvent.class);
 149         PACKETMAP.put(Objects.hash(0x06, 0x07, false), BlueGigaSetScanParametersResponse.class);
 150         PACKETMAP.put(Objects.hash(0x06, 0x03, false), BlueGigaConnectDirectResponse.class);
 151         PACKETMAP.put(Objects.hash(0x06, 0x05, false), BlueGigaConnectSelectiveResponse.class);
 152         PACKETMAP.put(Objects.hash(0x06, 0x02, false), BlueGigaDiscoverResponse.class);
 153         PACKETMAP.put(Objects.hash(0x06, 0x08, false), BlueGigaSetAdvParametersResponse.class);
 154         PACKETMAP.put(Objects.hash(0x06, 0x09, false), BlueGigaSetAdvDataResponse.class);
 155         PACKETMAP.put(Objects.hash(0x06, 0x04, false), BlueGigaEndProcedureResponse.class);
 156         PACKETMAP.put(Objects.hash(0x06, 0x01, false), BlueGigaSetModeResponse.class);
 157         PACKETMAP.put(Objects.hash(0x06, 0x00, true), BlueGigaScanResponseEvent.class);
 158         PACKETMAP.put(Objects.hash(0x05, 0x02, false), BlueGigaDeleteBondingResponse.class);
 159         PACKETMAP.put(Objects.hash(0x05, 0x00, false), BlueGigaEncryptStartResponse.class);
 160         PACKETMAP.put(Objects.hash(0x05, 0x05, false), BlueGigaGetBondsResponse.class);
 161         PACKETMAP.put(Objects.hash(0x05, 0x04, false), BlueGigaPassKeyResponse.class);
 162         PACKETMAP.put(Objects.hash(0x05, 0x01, false), BlueGigaSetBondableModeResponse.class);
 163         PACKETMAP.put(Objects.hash(0x05, 0x03, false), BlueGigaSetParametersResponse.class);
 164         PACKETMAP.put(Objects.hash(0x05, 0x07, false), BlueGigaWhitelistBondsResponse.class);
 165         PACKETMAP.put(Objects.hash(0x00, 0x0A, false), BlueGigaWhitelistAppendResponse.class);
 166         PACKETMAP.put(Objects.hash(0x00, 0x0B, false), BlueGigaWhitelistRemoveResponse.class);
 167         PACKETMAP.put(Objects.hash(0x00, 0x0C, false), BlueGigaWhitelistClearResponse.class);
 168         PACKETMAP.put(Objects.hash(0x05, 0x01, true), BlueGigaBondingFailEvent.class);
 169         PACKETMAP.put(Objects.hash(0x05, 0x04, true), BlueGigaBondStatusEvent.class);
 170         PACKETMAP.put(Objects.hash(0x05, 0x02, true), BlueGigaPasskeyDisplayEvent.class);
 171         PACKETMAP.put(Objects.hash(0x05, 0x03, true), BlueGigaPasskeyRequestEvent.class);
 172         PACKETMAP.put(Objects.hash(0x00, 0x02, false), BlueGigaAddressGetResponse.class);
 173         PACKETMAP.put(Objects.hash(0x00, 0x01, false), BlueGigaHelloResponse.class);
 174         PACKETMAP.put(Objects.hash(0x00, 0x00, false), BlueGigaResetResponse.class);
 175         PACKETMAP.put(Objects.hash(0x00, 0x06, false), BlueGigaGetConnectionsResponse.class);
 176         PACKETMAP.put(Objects.hash(0x00, 0x05, false), BlueGigaGetCountersResponse.class);
 177         PACKETMAP.put(Objects.hash(0x00, 0x08, false), BlueGigaGetInfoResponse.class);
 178         PACKETMAP.put(Objects.hash(0x00, 0x00, true), BlueGigaBootEvent.class);
 179     }
 180
 181     @Nullable
 182     public static BlueGigaResponse getPacket(int[] data) {
 183         int cmdClass = data[2];
 184         int cmdMethod = data[3];
 185         boolean isEvent = (data[0] & 0x80) != 0;
 186
 187         Class<?> bleClass = PACKETMAP.get(Objects.hash(cmdClass, cmdMethod, isEvent));
 188
 189         if (bleClass == null) {
 190             return null;
 191         }
 192
 193         Constructor<?> ctor;
 194
 195         try {
 196             ctor = bleClass.getConstructor(int[].class);
 197             return (BlueGigaResponse) ctor.newInstance(data);
 198         } catch (NoSuchMethodException | SecurityException | InstantiationException | IllegalAccessException
 199                 | IllegalArgumentException | InvocationTargetException e) {
 200             logger.debug("Error instantiating BLE class", e);
 201         }
 202
 203         return null;
 204     }
 205 }