Line data    Source code

       1              : /**
       2              :  * Copyright (c) 2025 Huawei Technologies Co., Ltd.
       3              :  * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
       4              :  * CANN Open Software License Agreement Version 2.0 (the "License").
       5              :  * Please refer to the License for details. You may not use this file except in compliance with the License.
       6              :  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
       7              :  * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
       8              :  * See LICENSE in the root of the software repository for the full text of the License.
       9              :  */
      10              : 
      11              : #ifndef HCOMM_CCU_INSTANCE_MGR_H
      12              : #define HCOMM_CCU_INSTANCE_MGR_H
      13              : 
      14              : #include <mutex>
      15              : #include <shared_mutex>
      16              : #include <unordered_map>
      17              : 
      18              : #include "ccu_types.h"
      19              : #include "ccu_instance.h"
      20              : 
      21              : namespace hcomm {
      22              : 
      23              : class CcuInstanceMgr {
      24              : public:
      25              :     static CcuInstanceMgr &GetInstance(const int32_t deviceLogicId);
      26              : 
      27              :     CcuResult Init();
      28              :     CcuResult Deinit();
      29              : 
      30              :     CcuResult Create(CcuInstanceType insType, CcuInsHandle &insHandle);
      31              :     CcuInstance *Get(CcuInsHandle insHandle) const;
      32              :     CcuResult Destroy(CcuInsHandle insHandle);
      33              : 
      34              : private:
      35          132 :     explicit CcuInstanceMgr() = default;
      36              :     ~CcuInstanceMgr();
      37              : 
      38              :     CcuInstanceMgr(const CcuInstanceMgr &that) = delete;
      39              :     CcuInstanceMgr &operator=(const CcuInstanceMgr &that) = delete;
      40              : 
      41              : private:
      42              :     bool initializedFlag_{false};
      43              :     int32_t devLogicId_{-1};
      44              :     CcuInsHandle instanceId_{0};
      45              :     mutable std::shared_timed_mutex insMapMutex_;
      46              :     std::unordered_map<CcuInsHandle, std::unique_ptr<CcuInstance>> insMap_{};
      47              : };
      48              : }; // namespace hcomm
      49              : 
      50              : #endif // HCOMM_CCU_INSTANCE_MGR_H