1 /* 2 * Copyright (c) 2021 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_CAMERA_SOURCE_SERVICE_H 17 #define OHOS_DISTRIBUTED_CAMERA_SOURCE_SERVICE_H 18 19 #include <memory> 20 #include <mutex> 21 #include <map> 22 #include <vector> 23 24 #include "system_ability.h" 25 #include "ipc_object_stub.h" 26 27 #include "dcamera_source_hidumper.h" 28 #include "dcamera_index.h" 29 #include "dcamera_service_state_listener.h" 30 #include "dcamera_source_dev.h" 31 #include "distributed_camera_constants.h" 32 #include "distributed_camera_source_stub.h" 33 34 namespace OHOS { 35 namespace DistributedHardware { 36 class DistributedCameraSourceService : public SystemAbility, public DistributedCameraSourceStub { 37 DECLARE_SYSTEM_ABILITY(DistributedCameraSourceService); 38 39 public: 40 DistributedCameraSourceService(int32_t saId, bool runOnCreate); 41 ~DistributedCameraSourceService() = default; 42 43 int32_t InitSource(const std::string& params, const sptr<IDCameraSourceCallback>& callback) override; 44 int32_t ReleaseSource() override; 45 int32_t RegisterDistributedHardware(const std::string& devId, const std::string& dhId, 46 const std::string& reqId, const EnableParam& param) override; 47 int32_t UnregisterDistributedHardware(const std::string& devId, const std::string& dhId, 48 const std::string& reqId) override; 49 int32_t DCameraNotify(const std::string& devId, const std::string& dhId, std::string& events) override; 50 int Dump(int32_t fd, const std::vector<std::u16string>& args) override; 51 static void GetDumpInfo(CameraDumpInfo& camDump); 52 53 static void CamDevInsert(DCameraIndex& index, std::shared_ptr<DCameraSourceDev>& camDev); 54 static std::shared_ptr<DCameraSourceDev> GetCamDevByIndex(DCameraIndex& index); 55 static void CamDevErase(DCameraIndex& index); 56 static uint32_t GetCamDevNum(); 57 58 protected: 59 void OnStart() override; 60 void OnStop() override; 61 DISALLOW_COPY_AND_MOVE(DistributedCameraSourceService); 62 63 private: 64 bool Init(); 65 int32_t LoadDCameraHDF(); 66 int32_t UnLoadCameraHDF(); 67 68 bool registerToService_ = false; 69 DCameraServiceState state_ = DCameraServiceState::DCAMERA_SRV_STATE_NOT_START; 70 71 std::shared_ptr<ICameraStateListener> listener_; 72 std::string sourceVer_; 73 const size_t MAX_CAMERAS_NUMBER = 32; 74 const size_t DUMP_MAX_SIZE = 10 * 1024; 75 76 static std::map<DCameraIndex, std::shared_ptr<DCameraSourceDev>> camerasMap_; 77 static std::mutex camDevMutex_; 78 }; 79 } // namespace DistributedHardware 80 } // namespace OHOS 81 #endif // OHOS_DISTRIBUTED_CAMERA_SOURCE_SERVICE_H 82