mirror of
https://github.com/openharmony/neural_network_runtime.git
synced 2026-07-01 08:12:02 -04:00
yangyongjie
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/*
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* Copyright (c) 2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef NEURAL_NETWORK_RUNTIME_DEVICE_MANAGER_H
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#define NEURAL_NETWORK_RUNTIME_DEVICE_MANAGER_H
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#include <string>
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#include <unordered_set>
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#include <unordered_map>
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#include <memory>
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#include <functional>
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#include <mutex>
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#include "interfaces/oem/cpp_api/device.h"
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#include "interfaces/kits/c/neural_network_runtime_type.h"
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namespace OHOS {
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namespace NeuralNetworkRuntime {
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class DeviceManager {
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public:
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const std::vector<size_t>& GetAllDeviceId();
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std::shared_ptr<Device> GetDevice(size_t deviceId) const;
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const std::string& GetDeviceName(size_t deviceId);
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// register device from C++ API
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OH_NN_ReturnCode RegisterDevice(std::function<std::shared_ptr<Device>()> creator);
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static DeviceManager& GetInstance()
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{
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static DeviceManager instance;
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instance.DiscoverHDIDevices();
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return instance;
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}
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private:
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DeviceManager() = default;
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DeviceManager(const DeviceManager&) = delete;
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DeviceManager& operator=(const DeviceManager&) = delete;
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void DiscoverHDIDevices();
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std::string GenUniqueName(const std::string& deviceName, const std::string& vendorName) const;
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bool IsValidDevice(std::shared_ptr<Device> device) const;
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private:
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std::unordered_set<std::string> m_uniqueName;
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// key is device id, it is the unique number.
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std::unordered_map<size_t, std::shared_ptr<Device>> m_devices;
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std::mutex m_mtx;
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std::string m_tmpDeviceName;
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std::vector<size_t> m_tmpDeviceIds;
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};
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} // namespace NeuralNetworkRuntime
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} // namespace OHOS
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#endif // NEURAL_NETWORK_RUNTIME_DEVICE_MANAGER_H
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