| /** |
| * |
| * 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 Routines for the Target Navigator plugin, the |
| *server implementation of the Target Navigator cluster. |
| ******************************************************************************* |
| ******************************************************************************/ |
| |
| #include <app/clusters/target-navigator-server/target-navigator-delegate.h> |
| #include <app/clusters/target-navigator-server/target-navigator-server.h> |
| |
| #include <app/AttributeAccessInterface.h> |
| #include <app/CommandHandler.h> |
| #include <app/ConcreteCommandPath.h> |
| #if CHIP_DEVICE_CONFIG_APP_PLATFORM_ENABLED |
| #include <app/app-platform/ContentAppPlatform.h> |
| #endif // CHIP_DEVICE_CONFIG_APP_PLATFORM_ENABLED |
| #include <app/data-model/Encode.h> |
| #include <app/util/attribute-storage.h> |
| #include <platform/CHIPDeviceConfig.h> |
| |
| using namespace chip; |
| using namespace chip::app::Clusters; |
| using namespace chip::app::Clusters::TargetNavigator; |
| #if CHIP_DEVICE_CONFIG_APP_PLATFORM_ENABLED |
| using namespace chip::AppPlatform; |
| #endif // CHIP_DEVICE_CONFIG_APP_PLATFORM_ENABLED |
| |
| static constexpr size_t kTargetNavigatorDelegateTableSize = |
| EMBER_AF_TARGET_NAVIGATOR_CLUSTER_SERVER_ENDPOINT_COUNT + CHIP_DEVICE_CONFIG_DYNAMIC_ENDPOINT_COUNT; |
| |
| // ----------------------------------------------------------------------------- |
| // Delegate Implementation |
| |
| using chip::app::Clusters::TargetNavigator::Delegate; |
| |
| namespace { |
| |
| Delegate * gDelegateTable[kTargetNavigatorDelegateTableSize] = { nullptr }; |
| |
| Delegate * GetDelegate(EndpointId endpoint) |
| { |
| #if CHIP_DEVICE_CONFIG_APP_PLATFORM_ENABLED |
| ContentApp * app = ContentAppPlatform::GetInstance().GetContentApp(endpoint); |
| if (app != nullptr) |
| { |
| ChipLogProgress(Zcl, "TargetNavigator returning ContentApp delegate for endpoint:%u", endpoint); |
| return app->GetTargetNavigatorDelegate(); |
| } |
| #endif // CHIP_DEVICE_CONFIG_APP_PLATFORM_ENABLED |
| ChipLogProgress(Zcl, "TargetNavigator NOT returning ContentApp delegate for endpoint:%u", endpoint); |
| |
| uint16_t ep = emberAfFindClusterServerEndpointIndex(endpoint, TargetNavigator::Id); |
| return ((ep == 0xFFFF || ep >= EMBER_AF_TARGET_NAVIGATOR_CLUSTER_SERVER_ENDPOINT_COUNT) ? nullptr : gDelegateTable[ep]); |
| } |
| |
| bool isDelegateNull(Delegate * delegate, EndpointId endpoint) |
| { |
| if (delegate == nullptr) |
| { |
| ChipLogProgress(Zcl, "Target Navigator has no delegate set for endpoint:%u", endpoint); |
| return true; |
| } |
| return false; |
| } |
| } // namespace |
| |
| namespace chip { |
| namespace app { |
| namespace Clusters { |
| namespace TargetNavigator { |
| |
| void SetDefaultDelegate(EndpointId endpoint, Delegate * delegate) |
| { |
| uint16_t ep = emberAfFindClusterServerEndpointIndex(endpoint, TargetNavigator::Id); |
| // if endpoint is found and is not a dynamic endpoint |
| if (ep != 0xFFFF && ep < EMBER_AF_TARGET_NAVIGATOR_CLUSTER_SERVER_ENDPOINT_COUNT) |
| { |
| gDelegateTable[ep] = delegate; |
| } |
| else |
| { |
| } |
| } |
| |
| } // namespace TargetNavigator |
| } // namespace Clusters |
| } // namespace app |
| } // namespace chip |
| |
| // ----------------------------------------------------------------------------- |
| // Attribute Accessor Implementation |
| |
| namespace { |
| |
| class TargetNavigatorAttrAccess : public app::AttributeAccessInterface |
| { |
| public: |
| TargetNavigatorAttrAccess() : app::AttributeAccessInterface(Optional<EndpointId>::Missing(), TargetNavigator::Id) {} |
| |
| CHIP_ERROR Read(const app::ConcreteReadAttributePath & aPath, app::AttributeValueEncoder & aEncoder) override; |
| |
| private: |
| CHIP_ERROR ReadTargetListAttribute(app::AttributeValueEncoder & aEncoder, Delegate * delegate); |
| CHIP_ERROR ReadCurrentTargetAttribute(app::AttributeValueEncoder & aEncoder, Delegate * delegate); |
| }; |
| |
| TargetNavigatorAttrAccess gTargetNavigatorAttrAccess; |
| |
| CHIP_ERROR TargetNavigatorAttrAccess::Read(const app::ConcreteReadAttributePath & aPath, app::AttributeValueEncoder & aEncoder) |
| { |
| EndpointId endpoint = aPath.mEndpointId; |
| Delegate * delegate = GetDelegate(endpoint); |
| |
| switch (aPath.mAttributeId) |
| { |
| case app::Clusters::TargetNavigator::Attributes::TargetList::Id: { |
| if (isDelegateNull(delegate, endpoint)) |
| { |
| return aEncoder.EncodeEmptyList(); |
| } |
| |
| return ReadTargetListAttribute(aEncoder, delegate); |
| } |
| case app::Clusters::TargetNavigator::Attributes::CurrentTarget::Id: { |
| if (isDelegateNull(delegate, endpoint)) |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| return ReadCurrentTargetAttribute(aEncoder, delegate); |
| } |
| default: { |
| break; |
| } |
| } |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR TargetNavigatorAttrAccess::ReadTargetListAttribute(app::AttributeValueEncoder & aEncoder, Delegate * delegate) |
| { |
| return delegate->HandleGetTargetList(aEncoder); |
| } |
| |
| CHIP_ERROR TargetNavigatorAttrAccess::ReadCurrentTargetAttribute(app::AttributeValueEncoder & aEncoder, Delegate * delegate) |
| { |
| uint8_t currentTarget = delegate->HandleGetCurrentTarget(); |
| return aEncoder.Encode(currentTarget); |
| } |
| |
| } // anonymous namespace |
| |
| // ----------------------------------------------------------------------------- |
| // Matter Framework Callbacks Implementation |
| |
| bool emberAfTargetNavigatorClusterNavigateTargetCallback(app::CommandHandler * command, |
| const app::ConcreteCommandPath & commandPath, |
| const Commands::NavigateTarget::DecodableType & commandData) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| EndpointId endpoint = commandPath.mEndpointId; |
| auto & target = commandData.target; |
| auto & data = commandData.data; |
| app::CommandResponseHelper<Commands::NavigateTargetResponse::Type> responder(command, commandPath); |
| |
| Delegate * delegate = GetDelegate(endpoint); |
| VerifyOrExit(isDelegateNull(delegate, endpoint) != true, err = CHIP_ERROR_INCORRECT_STATE); |
| |
| { |
| delegate->HandleNavigateTarget(responder, target, data.HasValue() ? data.Value() : CharSpan()); |
| } |
| |
| exit: |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(Zcl, "emberAfTargetNavigatorClusterNavigateTargetCallback error: %s", err.AsString()); |
| emberAfSendImmediateDefaultResponse(EMBER_ZCL_STATUS_FAILURE); |
| } |
| |
| return true; |
| } |
| |
| void MatterTargetNavigatorPluginServerInitCallback() |
| { |
| registerAttributeAccessOverride(&gTargetNavigatorAttrAccess); |
| } |