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 HCCLV2_INNER_NET_DEVICE_MANAGER_H
      12              : #define HCCLV2_INNER_NET_DEVICE_MANAGER_H
      13              : 
      14              : #include <mutex>
      15              : #include <shared_mutex>
      16              : #include <unordered_map>
      17              : #include "port.h"
      18              : #include "orion_adapter_hccp.h"
      19              : #include "ip_address.h"
      20              : #include "inner_net_dev.h"
      21              : #include "net_device.h"
      22              : 
      23              : namespace Hccl {
      24              : class InnerNetDevManager {
      25              : public:
      26              :     // 获取单例实例（线程安全）
      27              :     static InnerNetDevManager& GetInstance();
      28              : 
      29              :     // 删除拷贝构造和赋值运算符，防止实例复制
      30              :     InnerNetDevManager(const InnerNetDevManager&) = delete;
      31              :     InnerNetDevManager& operator=(const InnerNetDevManager&) = delete;
      32              : 
      33              :     // 添加设备（增加引用计数）
      34              :     HcclResult AddDevice(const NetDevInfo& info, HcclNetDevice*& device);
      35              : 
      36              :     // 删除设备（减少引用计数，计数为0时删除）
      37              :     HcclResult DeleteDevice(HcclNetDevice* device);
      38              : 
      39              :     // 删除设备（减少引用计数，计数为0时删除）
      40              :     HcclResult RemoveDevice(const NetDevInfo& info);
      41              : 
      42              : private:
      43              :     // 私有构造函数和析构函数
      44            2 :     InnerNetDevManager() = default;
      45            2 :     ~InnerNetDevManager() = default;
      46              : 
      47              :     std::unordered_map<NetDevInfo, unique_ptr<InnerNetDev>> netDevMap_;
      48              :     std::unordered_map<NetDevInfo, uint32_t> netDevCnt_;
      49              : 
      50              :     mutable std::shared_mutex mtx_{};
      51              : };
      52              : 
      53              : } // namespace Hccl
      54              : 
      55              : #endif // HCCLV2_INNER_NET_DEVICE_MANAGER_H