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_DISTRIBUTED_HARDWARE_FWK_KIT_H 17 #define OHOS_DISTRIBUTED_HARDWARE_FWK_KIT_H 18 19 #include <atomic> 20 #include <cstdint> 21 #include <mutex> 22 #include <unordered_map> 23 #include <set> 24 #include "refbase.h" 25 26 #include "ipublisher_listener.h" 27 #include "idistributed_hardware.h" 28 29 #ifndef API_EXPORT 30 #define API_EXPORT __attribute__((visibility("default"))) 31 #endif 32 33 namespace OHOS { 34 namespace DistributedHardware { 35 class DistributedHardwareFwkKit final { 36 public: 37 API_EXPORT DistributedHardwareFwkKit(); 38 API_EXPORT ~DistributedHardwareFwkKit(); 39 API_EXPORT int32_t RegisterPublisherListener(const DHTopic topic, sptr<IPublisherListener> listener); 40 API_EXPORT int32_t UnregisterPublisherListener(const DHTopic topic, sptr<IPublisherListener> listener); 41 API_EXPORT int32_t PublishMessage(const DHTopic topic, const std::string &message); 42 43 void OnDHFWKOnLine(bool isOnLine); 44 private: 45 bool IsDHTopicValid(DHTopic topic); 46 47 private: 48 std::mutex listenerMutex_; 49 std::unordered_map<DHTopic, std::set<sptr<IPublisherListener>>> listenerMap_; 50 std::atomic<bool> isDHFWKOnLine_; 51 }; 52 } // namespace DistributedHardware 53 } // namespace OHOS 54 #endif // OHOS_DISTRIBUTED_HARDWARE_FWK_KIT_H