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