1 /* 2 * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development 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_SHARING_CONFIG_H 17 #define OHOS_SHARING_CONFIG_H 18 19 #include <shared_mutex> 20 #include <singleton.h> 21 #include <string> 22 #include "event/event_base.h" 23 #include "sharing_data.h" 24 25 namespace OHOS { 26 namespace Sharing { 27 28 enum class ConfigStatus { 29 CONFIG_STATUS_INVALID, 30 CONFIG_STATUS_INITED, 31 CONFIG_STATUS_READING, 32 CONFIG_STATUS_WRITING, 33 CONFIG_STATUS_READY 34 }; 35 36 struct ConfigEventMsg : EventMsg { ConfigEventMsgConfigEventMsg37 ConfigEventMsg(const ConfigStatus status, const ModuleType toMudule) 38 { 39 this->status = status; 40 this->toMgr = toMudule; 41 this->fromMgr = ModuleType::MODULE_CONFIGURE; 42 this->data = nullptr; 43 } 44 ConfigEventMsgConfigEventMsg45 ConfigEventMsg(const SharingDataGroupByModule::Ptr &data, const ModuleType toMudule) 46 { 47 this->status = ConfigStatus::CONFIG_STATUS_READY; 48 this->data = data; 49 this->fromMgr = ModuleType::MODULE_CONFIGURE; 50 this->toMgr = toMudule; 51 } 52 53 ConfigStatus status; 54 SharingDataGroupByModule::Ptr data; 55 }; 56 57 class Config : public Singleton<Config> { 58 public: 59 Config() = default; 60 ~Config() = default; 61 62 void Init(void); 63 int32_t GetConfig(SharingData::Ptr &datas); 64 int32_t GetConfig(const std::string &module, SharingDataGroupByModule::Ptr &values); 65 int32_t GetConfig(const std::string &module, const std::string &tag, SharingDataGroupByTag::Ptr &values); 66 int32_t GetConfig(const std::string &module, const std::string &tag, const std::string &key, 67 SharingValue::Ptr &value); 68 69 int32_t SetConfig(const SharingData::Ptr &datas); 70 int32_t SetConfig(const std::string &module, const SharingDataGroupByModule::Ptr &values); 71 int32_t SetConfig(const std::string &module, const std::string &tag, const SharingDataGroupByTag::Ptr &values); 72 int32_t SetConfig(const std::string &module, const std::string &tag, const std::string &key, 73 const SharingValue::Ptr &value); 74 75 private: 76 bool ReadConfig(void); 77 bool SaveConfig(void); 78 void EmitEvent(const EventType type, const ModuleType toModule, const SharingDataGroupByModule::Ptr &data); 79 void EmitEvent(const ConfigStatus type = ConfigStatus::CONFIG_STATUS_READY, 80 const ModuleType toModule = ModuleType::MODULE_DATACENTER); 81 82 private: 83 std::shared_mutex mutex_; 84 std::string fileName_ = "/etc/sharing_config.json"; 85 86 EventEmitter emiter_; 87 SharingData::Ptr datas_ = std::make_shared<SharingData>(); 88 ConfigStatus status_ = ConfigStatus::CONFIG_STATUS_INVALID; 89 }; 90 91 } // namespace Sharing 92 } // namespace OHOS 93 #endif