1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_DAUDIO_HDF_OPERATE_H 17 #define OHOS_DAUDIO_HDF_OPERATE_H 18 19 #include <atomic> 20 #include <condition_variable> 21 #include <mutex> 22 23 #include "iservstat_listener_hdi.h" 24 #include "idevmgr_hdi.h" 25 #include "iservmgr_hdi.h" 26 #include "single_instance.h" 27 28 const std::string AUDIO_SERVICE_NAME = "daudio_primary_service"; 29 const std::string AUDIOEXT_SERVICE_NAME = "daudio_ext_service"; 30 constexpr uint16_t INVALID_VALUE = 0xffff; 31 constexpr int32_t WAIT_TIME = 5000; 32 33 namespace OHOS { 34 namespace DistributedHardware { 35 using OHOS::HDI::DeviceManager::V1_0::IDeviceManager; 36 using OHOS::HDI::ServiceManager::V1_0::IServiceManager; 37 using OHOS::HDI::ServiceManager::V1_0::IServStatListener; 38 using OHOS::HDI::ServiceManager::V1_0::ServiceStatus; 39 using OHOS::HDI::ServiceManager::V1_0::ServStatListenerStub; 40 41 class DaudioHdfOperate { 42 DECLARE_SINGLE_INSTANCE(DaudioHdfOperate); 43 44 public: 45 int32_t LoadDaudioHDFImpl(); 46 int32_t UnLoadDaudioHDFImpl(); 47 48 private: 49 int32_t WaitLoadService(const std::string& servName); 50 51 private: 52 OHOS::sptr<IDeviceManager> devmgr_; 53 OHOS::sptr<IServiceManager> servMgr_; 54 std::atomic<uint16_t> audioServStatus_ = INVALID_VALUE; 55 std::atomic<uint16_t> audioextServStatus_ = INVALID_VALUE; 56 std::condition_variable hdfOperateCon_; 57 std::mutex hdfOperateMutex_; 58 }; 59 60 class DAudioHdfServStatListener : public OHOS::HDI::ServiceManager::V1_0::ServStatListenerStub { 61 public: 62 using StatusCallback = std::function<void(const ServiceStatus &)>; DAudioHdfServStatListener(StatusCallback callback)63 explicit DAudioHdfServStatListener(StatusCallback callback) : callback_(std::move(callback)) 64 { 65 } 66 ~DAudioHdfServStatListener() override = default; 67 void OnReceive(const ServiceStatus& status) override; 68 69 private: 70 StatusCallback callback_; 71 }; 72 } // namespace DistributedHardware 73 } // namespace OHOS 74 #endif // OHOS_DAUDIO_HDF_OPERATE_H