| /* |
| * |
| * Copyright (c) 2020 Project CHIP Authors |
| * Copyright (c) 2018 Nest Labs, Inc. |
| * |
| * 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 |
| * Provides an generic implementation of PlatformManager features |
| * for use on various platforms. |
| */ |
| |
| #pragma once |
| |
| namespace chip { |
| namespace DeviceLayer { |
| namespace Internal { |
| |
| /** |
| * Provides a generic implementation of PlatformManager features that works on multiple platforms. |
| * |
| * This template contains implementations of select features from the PlatformManager abstract |
| * interface that are suitable for use on all platforms. It is intended to be inherited (directly |
| * or indirectly) by the PlatformManagerImpl class, which also appears as the template's ImplClass |
| * parameter. |
| */ |
| template <class ImplClass> |
| class GenericPlatformManagerImpl |
| { |
| protected: |
| struct AppEventHandler |
| { |
| AppEventHandler * Next; |
| PlatformManager::EventHandlerFunct Handler; |
| intptr_t Arg; |
| }; |
| |
| AppEventHandler * mAppEventHandlerList; |
| |
| // ===== Methods that implement the PlatformManager abstract interface. |
| |
| CHIP_ERROR _InitChipStack(); |
| void _Shutdown(); |
| CHIP_ERROR _AddEventHandler(PlatformManager::EventHandlerFunct handler, intptr_t arg); |
| void _RemoveEventHandler(PlatformManager::EventHandlerFunct handler, intptr_t arg); |
| void _HandleServerStarted(); |
| void _HandleServerShuttingDown(); |
| void _ScheduleWork(AsyncWorkFunct workFunct, intptr_t arg); |
| void _DispatchEvent(const ChipDeviceEvent * event); |
| |
| // ===== Support methods that can be overridden by the implementation subclass. |
| |
| void DispatchEventToDeviceLayer(const ChipDeviceEvent * event); |
| void DispatchEventToApplication(const ChipDeviceEvent * event); |
| static void HandleMessageLayerActivityChanged(bool messageLayerIsActive); |
| |
| private: |
| bool mMsgLayerWasActive; |
| |
| ImplClass * Impl() { return static_cast<ImplClass *>(this); } |
| }; |
| |
| // Instruct the compiler to instantiate the template only when explicitly told to do so. |
| extern template class GenericPlatformManagerImpl<PlatformManagerImpl>; |
| |
| } // namespace Internal |
| } // namespace DeviceLayer |
| } // namespace chip |