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              : #include "inner_net_dev_manager.h"
      12              : #include "log.h"
      13              : 
      14              : namespace Hccl {
      15           51 : InnerNetDevManager& InnerNetDevManager::GetInstance()
      16              : {
      17           51 :     static InnerNetDevManager instance;
      18           51 :     return instance;
      19              : }
      20              : 
      21            7 : HcclResult InnerNetDevManager::AddDevice(const NetDevInfo& info, HcclNetDevice*& device)
      22              : {
      23            7 :     device = new (nothrow) HcclNetDevice(info);
      24            7 :     if (device == nullptr) {
      25            0 :         HCCL_ERROR("new HcclNetDevice fail, devId[%u]", info.devId);
      26            0 :         return HCCL_E_PTR;
      27              :     }
      28              : 
      29            7 :     InnerNetDev* innerNetDev = nullptr;
      30            7 :     auto it = netDevMap_.find(info);
      31            7 :     if (it == netDevMap_.end()) {
      32            7 :         innerNetDev = new (nothrow) InnerNetDev(info);
      33            7 :         if (innerNetDev == nullptr || !innerNetDev->GetIsValid()) {
      34            0 :             HCCL_ERROR("new InnerNetDev fail, devId[%u]", info.devId);
      35            0 :             if (innerNetDev != nullptr) {
      36            0 :                 delete innerNetDev;
      37            0 :                 innerNetDev = nullptr;
      38              :             }
      39            0 :             delete device;
      40            0 :             device = nullptr;
      41            0 :             return HCCL_E_PARA;
      42              :         }
      43            7 :         netDevMap_.insert(std::make_pair(info, std::unique_ptr<InnerNetDev>(innerNetDev)));
      44            7 :         netDevCnt_[info] = 1;
      45              :     } else {
      46            0 :         innerNetDev = it->second.get();
      47            0 :         netDevCnt_[info]++;
      48              :     }
      49            7 :     device->SetInnerNetDev(innerNetDev);
      50            7 :     return HCCL_SUCCESS;
      51              : }
      52              : 
      53            7 : HcclResult InnerNetDevManager::RemoveDevice(const NetDevInfo& info)
      54              : {
      55            7 :     auto cntIt = netDevCnt_.find(info);
      56            7 :     if (cntIt == netDevCnt_.end()) {
      57            3 :         HCCL_ERROR("find HcclNetDevice fail, devId[%u]", info.devId);
      58            1 :         return HCCL_E_PTR;
      59              :     }
      60              : 
      61            6 :     cntIt->second--;
      62            6 :     if (cntIt->second == 0) {
      63            6 :         netDevMap_.erase(info);
      64            6 :         netDevCnt_.erase(cntIt);
      65              :     }
      66            6 :     return HCCL_SUCCESS;
      67              : }
      68              : 
      69            6 : HcclResult InnerNetDevManager::DeleteDevice(Hccl::HcclNetDevice* device)
      70              : {
      71            6 :     if (device == nullptr) {
      72            0 :         return HCCL_SUCCESS;
      73              :     }
      74            6 :     HcclResult ret = RemoveDevice(device->GetNetDevInfo());
      75            6 :     if (ret != HCCL_SUCCESS) {
      76            0 :         HCCL_ERROR("delete netDev fail, devId[%u]", device->GetNetDevInfo().devId);
      77            0 :         return HCCL_E_PARA;
      78              :     }
      79            6 :     delete device;
      80            6 :     device = nullptr;
      81            6 :     return HCCL_SUCCESS;
      82              : }
      83              : } // namespace Hccl