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16 | 16 | */
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17 | 17 |
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18 | 18 | #include <app/clusters/scenes-server/SceneHandlerImpl.h>
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| 19 | +#include <app/util/ember-io-storage.h> |
| 20 | +#include <app/util/endpoint-config-api.h> |
| 21 | +#include <app/util/odd-sized-integers.h> |
19 | 22 |
|
20 | 23 | namespace chip {
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21 | 24 | namespace scenes {
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22 | 25 |
|
| 26 | +namespace { |
| 27 | + |
| 28 | +template <int ByteSize, bool IsSigned> |
| 29 | +using OddSizedInteger = app::OddSizedInteger<ByteSize, IsSigned>; |
| 30 | +using ConcreteAttributePath = app::ConcreteAttributePath; |
| 31 | +using AttributeValuePairType = app::Clusters::ScenesManagement::Structs::AttributeValuePairStruct::Type; |
| 32 | + |
| 33 | +/// ConvertDefaultValueToWorkingValue |
| 34 | +/// @brief Helper function to convert a byte array to a value of the given type. |
| 35 | +/// @param EmberAfDefaultAttributeValue & defaultValue |
| 36 | +/// @return Value converted to the given working type |
| 37 | +template <typename Type> |
| 38 | +typename app::NumericAttributeTraits<Type>::WorkingType |
| 39 | +ConvertDefaultValueToWorkingValue(const EmberAfDefaultAttributeValue & defaultValue) |
| 40 | +{ |
| 41 | + if constexpr (sizeof(typename app::NumericAttributeTraits<Type>::WorkingType) <= 2) |
| 42 | + { |
| 43 | + return static_cast<typename app::NumericAttributeTraits<Type>::WorkingType>(defaultValue.defaultValue); |
| 44 | + } |
| 45 | + |
| 46 | + typename app::NumericAttributeTraits<Type>::StorageType sValue; |
| 47 | + memcpy(&sValue, defaultValue.ptrToDefaultValue, sizeof(sValue)); |
| 48 | + return app::NumericAttributeTraits<Type>::StorageToWorking(sValue); |
| 49 | +} |
| 50 | + |
| 51 | +/// IsExactlyOneValuePopulated |
| 52 | +/// @brief Helper function to verify that exactly one value is populated in a given AttributeValuePairType |
| 53 | +/// @param AttributeValuePairType & type AttributeValuePairType to verify |
| 54 | +/// @return bool true if only one value is populated, false otherwise |
| 55 | +bool IsExactlyOneValuePopulated(const AttributeValuePairType & type) |
| 56 | +{ |
| 57 | + int count = 0; |
| 58 | + if (type.valueUnsigned8.HasValue()) |
| 59 | + count++; |
| 60 | + if (type.valueSigned8.HasValue()) |
| 61 | + count++; |
| 62 | + if (type.valueUnsigned16.HasValue()) |
| 63 | + count++; |
| 64 | + if (type.valueSigned16.HasValue()) |
| 65 | + count++; |
| 66 | + if (type.valueUnsigned32.HasValue()) |
| 67 | + count++; |
| 68 | + if (type.valueSigned32.HasValue()) |
| 69 | + count++; |
| 70 | + if (type.valueUnsigned64.HasValue()) |
| 71 | + count++; |
| 72 | + if (type.valueSigned64.HasValue()) |
| 73 | + count++; |
| 74 | + return count == 1; |
| 75 | +} |
| 76 | + |
| 77 | +/// CapAttributeValue |
| 78 | +/// Cap the attribute value based on the attribute's min and max if they are defined, |
| 79 | +/// or based on the attribute's size if they are not. |
| 80 | +/// @param[in] aVPair AttributeValuePairType |
| 81 | +/// @param[in] metadata EmberAfAttributeMetadata |
| 82 | +/// |
| 83 | +template <typename Type> |
| 84 | +void CapAttributeValue(typename app::NumericAttributeTraits<Type>::WorkingType & value, const EmberAfAttributeMetadata * metadata) |
| 85 | +{ |
| 86 | + using IntType = app::NumericAttributeTraits<Type>; |
| 87 | + using WorkingType = typename IntType::WorkingType; |
| 88 | + |
| 89 | + WorkingType maxValue; |
| 90 | + WorkingType minValue; |
| 91 | + uint16_t bitWidth = static_cast<uint16_t>(emberAfAttributeSize(metadata) * 8); |
| 92 | + |
| 93 | + // TODO Use min/max values from Type to obtain min/max instead of relying on metadata. See: |
| 94 | + // https://github.com/project-chip/connectedhomeip/issues/35328 |
| 95 | + |
| 96 | + // Min/Max Value caps for the OddSize integers |
| 97 | + if (metadata->IsSignedIntegerAttribute()) |
| 98 | + { |
| 99 | + // We use emberAfAttributeSize for cases like INT24S, INT40S, INT48S, INT56S where numeric_limits<WorkingType>::max() |
| 100 | + // wouldn't work |
| 101 | + maxValue = static_cast<WorkingType>((1ULL << (bitWidth - 1)) - 1); |
| 102 | + minValue = static_cast<WorkingType>(-(1ULL << (bitWidth - 1))); |
| 103 | + } |
| 104 | + else |
| 105 | + { |
| 106 | + // We use emberAfAttributeSize for cases like INT24U, INT40U, INT48U, INT56U where numeric_limits<WorkingType>::max() |
| 107 | + // wouldn't work |
| 108 | + if (ZCL_INT64U_ATTRIBUTE_TYPE == app::Compatibility::Internal::AttributeBaseType(metadata->attributeType)) |
| 109 | + { |
| 110 | + maxValue = static_cast<WorkingType>(UINT64_MAX); // Bit shift of 64 is undefined so we use UINT64_MAX |
| 111 | + } |
| 112 | + else |
| 113 | + { |
| 114 | + maxValue = static_cast<WorkingType>((1ULL << bitWidth) - 1); |
| 115 | + } |
| 116 | + minValue = static_cast<WorkingType>(0); |
| 117 | + } |
| 118 | + |
| 119 | + // Ensure that the metadata's signedness matches the working type's signedness |
| 120 | + VerifyOrDie(metadata->IsSignedIntegerAttribute() == std::is_signed<WorkingType>::value); |
| 121 | + |
| 122 | + if (metadata->IsBoolean()) |
| 123 | + { |
| 124 | + if (metadata->IsNullable() && (value != 1 && value != 0)) |
| 125 | + { |
| 126 | + // If the attribute is nullable, the value can be set to NULL |
| 127 | + app::NumericAttributeTraits<WorkingType>::SetNull(value); |
| 128 | + } |
| 129 | + else |
| 130 | + { |
| 131 | + // Caping the value to 1 in case values greater than 1 are set |
| 132 | + value = value ? 1 : 0; |
| 133 | + } |
| 134 | + return; |
| 135 | + } |
| 136 | + |
| 137 | + // Check metadata for min and max values |
| 138 | + if (metadata->HasMinMax()) |
| 139 | + { |
| 140 | + const EmberAfAttributeMinMaxValue * minMaxValue = metadata->defaultValue.ptrToMinMaxValue; |
| 141 | + minValue = ConvertDefaultValueToWorkingValue<Type>(minMaxValue->minValue); |
| 142 | + maxValue = ConvertDefaultValueToWorkingValue<Type>(minMaxValue->maxValue); |
| 143 | + } |
| 144 | + |
| 145 | + // If the attribute is nullable, the min and max values calculated for types will not be valid, however this does not |
| 146 | + // change the behavior here as the value will already be NULL if it is out of range. E.g. a nullable INT8U has a minValue of |
| 147 | + // -127. The code above determin minValue = -128, so an input value of -128 would not enter the condition block below, but would |
| 148 | + // be considered NULL nonetheless. |
| 149 | + if (metadata->IsNullable() && (minValue > value || maxValue < value)) |
| 150 | + { |
| 151 | + // If the attribute is nullable, the value can be set to NULL |
| 152 | + app::NumericAttributeTraits<WorkingType>::SetNull(value); |
| 153 | + return; |
| 154 | + } |
| 155 | + |
| 156 | + if (minValue > value) |
| 157 | + { |
| 158 | + value = minValue; |
| 159 | + } |
| 160 | + else if (maxValue < value) |
| 161 | + { |
| 162 | + value = maxValue; |
| 163 | + } |
| 164 | +} |
| 165 | + |
| 166 | +/// @brief Validate the attribute exists for a given cluster |
| 167 | +/// @param[in] endpoint Endpoint ID |
| 168 | +/// @param[in] clusterID Cluster ID |
| 169 | +/// @param[in] aVPair AttributeValuePairType, will be mutated to cap the value if it is out of range |
| 170 | +/// @return CHIP_IM_GLOBAL_STATUS(UnsupportedAttribute) if the attribute does not exist for a given cluster or is not scenable |
| 171 | +/// @note This will allways fail for global list attributes. If we do want to make them scenable someday, we will need to |
| 172 | +/// use a different validation method. |
| 173 | +// TODO: Add check for "S" quality to determine if the attribute is scenable once suported : |
| 174 | +// https://github.com/project-chip/connectedhomeip/issues/24177 |
| 175 | +CHIP_ERROR ValidateAttributePath(EndpointId endpoint, ClusterId cluster, AttributeValuePairType & aVPair) |
| 176 | +{ |
| 177 | + const EmberAfAttributeMetadata * metadata = emberAfLocateAttributeMetadata(endpoint, cluster, aVPair.attributeID); |
| 178 | + |
| 179 | + if (nullptr == metadata) |
| 180 | + { |
| 181 | + return CHIP_IM_GLOBAL_STATUS(UnsupportedAttribute); |
| 182 | + } |
| 183 | + |
| 184 | + // There should never be more than one populated value in an ExtensionFieldSet |
| 185 | + VerifyOrReturnError(IsExactlyOneValuePopulated(aVPair), CHIP_ERROR_INVALID_ARGUMENT); |
| 186 | + |
| 187 | + switch (app::Compatibility::Internal::AttributeBaseType(metadata->attributeType)) |
| 188 | + { |
| 189 | + case ZCL_BOOLEAN_ATTRIBUTE_TYPE: |
| 190 | + case ZCL_INT8U_ATTRIBUTE_TYPE: |
| 191 | + VerifyOrReturnError(aVPair.valueUnsigned8.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 192 | + CapAttributeValue<uint8_t>(aVPair.valueUnsigned8.Value(), metadata); |
| 193 | + break; |
| 194 | + case ZCL_INT16U_ATTRIBUTE_TYPE: |
| 195 | + VerifyOrReturnError(aVPair.valueUnsigned16.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 196 | + CapAttributeValue<uint16_t>(aVPair.valueUnsigned16.Value(), metadata); |
| 197 | + break; |
| 198 | + case ZCL_INT24U_ATTRIBUTE_TYPE: |
| 199 | + VerifyOrReturnError(aVPair.valueUnsigned32.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 200 | + CapAttributeValue<OddSizedInteger<3, false>>(aVPair.valueUnsigned32.Value(), metadata); |
| 201 | + break; |
| 202 | + case ZCL_INT32U_ATTRIBUTE_TYPE: |
| 203 | + VerifyOrReturnError(aVPair.valueUnsigned32.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 204 | + CapAttributeValue<uint32_t>(aVPair.valueUnsigned32.Value(), metadata); |
| 205 | + break; |
| 206 | + case ZCL_INT40U_ATTRIBUTE_TYPE: |
| 207 | + VerifyOrReturnError(aVPair.valueUnsigned64.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 208 | + CapAttributeValue<OddSizedInteger<5, false>>(aVPair.valueUnsigned64.Value(), metadata); |
| 209 | + break; |
| 210 | + case ZCL_INT48U_ATTRIBUTE_TYPE: |
| 211 | + VerifyOrReturnError(aVPair.valueUnsigned64.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 212 | + CapAttributeValue<OddSizedInteger<6, false>>(aVPair.valueUnsigned64.Value(), metadata); |
| 213 | + break; |
| 214 | + case ZCL_INT56U_ATTRIBUTE_TYPE: |
| 215 | + VerifyOrReturnError(aVPair.valueUnsigned64.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 216 | + CapAttributeValue<OddSizedInteger<7, false>>(aVPair.valueUnsigned64.Value(), metadata); |
| 217 | + break; |
| 218 | + case ZCL_INT64U_ATTRIBUTE_TYPE: |
| 219 | + VerifyOrReturnError(aVPair.valueUnsigned64.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 220 | + CapAttributeValue<uint64_t>(aVPair.valueUnsigned64.Value(), metadata); |
| 221 | + break; |
| 222 | + case ZCL_INT8S_ATTRIBUTE_TYPE: |
| 223 | + VerifyOrReturnError(aVPair.valueSigned8.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 224 | + CapAttributeValue<int8_t>(aVPair.valueSigned8.Value(), metadata); |
| 225 | + break; |
| 226 | + case ZCL_INT16S_ATTRIBUTE_TYPE: |
| 227 | + VerifyOrReturnError(aVPair.valueSigned16.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 228 | + CapAttributeValue<int16_t>(aVPair.valueSigned16.Value(), metadata); |
| 229 | + break; |
| 230 | + case ZCL_INT24S_ATTRIBUTE_TYPE: |
| 231 | + VerifyOrReturnError(aVPair.valueSigned32.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 232 | + CapAttributeValue<OddSizedInteger<3, true>>(aVPair.valueSigned32.Value(), metadata); |
| 233 | + break; |
| 234 | + case ZCL_INT32S_ATTRIBUTE_TYPE: |
| 235 | + VerifyOrReturnError(aVPair.valueSigned32.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 236 | + CapAttributeValue<int32_t>(aVPair.valueSigned32.Value(), metadata); |
| 237 | + break; |
| 238 | + case ZCL_INT40S_ATTRIBUTE_TYPE: |
| 239 | + VerifyOrReturnError(aVPair.valueSigned64.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 240 | + CapAttributeValue<OddSizedInteger<5, true>>(aVPair.valueSigned64.Value(), metadata); |
| 241 | + break; |
| 242 | + case ZCL_INT48S_ATTRIBUTE_TYPE: |
| 243 | + VerifyOrReturnError(aVPair.valueSigned64.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 244 | + CapAttributeValue<OddSizedInteger<6, true>>(aVPair.valueSigned64.Value(), metadata); |
| 245 | + break; |
| 246 | + case ZCL_INT56S_ATTRIBUTE_TYPE: |
| 247 | + VerifyOrReturnError(aVPair.valueSigned64.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 248 | + CapAttributeValue<OddSizedInteger<7, true>>(aVPair.valueSigned64.Value(), metadata); |
| 249 | + break; |
| 250 | + case ZCL_INT64S_ATTRIBUTE_TYPE: |
| 251 | + VerifyOrReturnError(aVPair.valueSigned64.HasValue(), CHIP_ERROR_INVALID_ARGUMENT); |
| 252 | + CapAttributeValue<int64_t>(aVPair.valueSigned64.Value(), metadata); |
| 253 | + break; |
| 254 | + default: |
| 255 | + return CHIP_IM_GLOBAL_STATUS(UnsupportedAttribute); |
| 256 | + } |
| 257 | + |
| 258 | + return CHIP_NO_ERROR; |
| 259 | +} |
| 260 | +} // namespace |
| 261 | + |
23 | 262 | CHIP_ERROR
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24 | 263 | DefaultSceneHandlerImpl::EncodeAttributeValueList(const List<AttributeValuePairType> & aVlist, MutableByteSpan & serializedBytes)
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25 | 264 | {
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@@ -58,7 +297,9 @@ DefaultSceneHandlerImpl::SerializeAdd(EndpointId endpoint, const ExtensionFieldS
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58 | 297 | auto pair_iterator = extensionFieldSet.attributeValueList.begin();
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59 | 298 | while (pair_iterator.Next())
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60 | 299 | {
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61 |
| - aVPairs[pairCount] = pair_iterator.GetValue(); |
| 300 | + AttributeValuePairType currentPair = pair_iterator.GetValue(); |
| 301 | + ReturnErrorOnFailure(ValidateAttributePath(endpoint, extensionFieldSet.clusterID, currentPair)); |
| 302 | + aVPairs[pairCount] = currentPair; |
62 | 303 | pairCount++;
|
63 | 304 | }
|
64 | 305 | ReturnErrorOnFailure(pair_iterator.GetStatus());
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