| /* |
| * |
| * Copyright (c) 2021 Project CHIP Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /**************************************************************************** |
| * @file |
| * @brief Implementation for the Descriptor Server Cluster |
| ***************************************************************************/ |
| |
| #include <app-common/zap-generated/af-structs.h> |
| #include <app-common/zap-generated/attributes/Accessors.h> |
| #include <app-common/zap-generated/cluster-objects.h> |
| #include <app-common/zap-generated/ids/Attributes.h> |
| #include <app-common/zap-generated/ids/Clusters.h> |
| #include <app/AttributeAccessInterface.h> |
| #include <app/util/attribute-storage.h> |
| #include <lib/support/CodeUtils.h> |
| #include <lib/support/logging/CHIPLogging.h> |
| |
| using namespace chip; |
| using namespace chip::app; |
| using namespace chip::app::Clusters; |
| using namespace chip::app::Clusters::PowerSourceConfiguration::Attributes; |
| using namespace chip::app::Clusters::PowerSource; |
| |
| namespace { |
| |
| constexpr uint8_t kMaxPowerSources = 6; |
| |
| class PowerSourceConfigurationAttrAccess : public AttributeAccessInterface |
| { |
| public: |
| // Register on all endpoints. |
| PowerSourceConfigurationAttrAccess() : AttributeAccessInterface(Optional<EndpointId>(0), PowerSourceConfiguration::Id) {} |
| |
| CHIP_ERROR Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder) override; |
| }; |
| |
| PowerSourceConfigurationAttrAccess gAttrAccess; |
| |
| CHIP_ERROR PowerSourceConfigurationAttrAccess::Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| |
| if (aPath.mClusterId != PowerSourceConfiguration::Id) |
| { |
| return CHIP_ERROR_INVALID_PATH_LIST; |
| } |
| |
| switch (aPath.mAttributeId) |
| { |
| case Sources::Id: |
| err = aEncoder.EncodeList([](const auto & encoder) -> CHIP_ERROR { |
| std::pair<uint16_t, uint8_t> orderEpPair[kMaxPowerSources]; |
| uint8_t idx = 0; |
| for (auto endpoint : EnabledEndpointsWithServerCluster(PowerSource::Id)) |
| { |
| uint8_t order = 0; |
| if (idx >= kMaxPowerSources) |
| break; |
| PowerSource::Attributes::Order::Get(endpoint, &order); |
| orderEpPair[idx] = std::make_pair(endpoint, order); |
| idx++; |
| } |
| |
| for (int i = 0; i < idx - 1; i++) |
| { |
| for (int j = 0; j < idx - i - 1; j++) |
| if ((orderEpPair[j]).second > (orderEpPair[j + 1]).second) |
| swap(orderEpPair[j], orderEpPair[j + 1]); |
| } |
| for (int k = 0; k < idx; k++) |
| { |
| ReturnErrorOnFailure(encoder.Encode(orderEpPair[k].first)); |
| } |
| return CHIP_NO_ERROR; |
| }); |
| break; |
| default: |
| break; |
| } |
| |
| return err; |
| } |
| |
| } // anonymous namespace |
| |
| void MatterPowerSourceConfigurationPluginServerInitCallback() |
| { |
| registerAttributeAccessOverride(&gAttrAccess); |
| } |